CN115864676A - Micro-energy collection method and passive electronic equipment - Google Patents

Abstract

The application provides a micro-energy collection method and passive electronic equipment. The micro-energy collection method includes: receiving a micro-energy signal in a space, frequency-locking the micro-energy signal of a specific frequency, and converting the frequency-locked micro-energy signal for electrical energy. Based on this, the micro-energy collection method of the present application can quickly and adaptively convert micro-energy signals into electric energy, and can realize passive work.

Description

Micro-energy collection method and passive electronic device

This application claims the priority of the Chinese patent application submitted to the China Patent Office on September 13, 2022, with the application number 202211119234.9, and the title of the invention is "passive electronic equipment, micro energy collection method and energy storage method", all of which are passed References are incorporated in this application.

technical field

The present application relates to the field of electronic technology, in particular to a micro-energy collection method and passive electronic equipment.

Background technique

With the maturity of information technology, the Internet of Things communication based on people and things, and things and things has been developed rapidly and widely used. Electronic devices such as electronic tags are very important devices in the communication of the Internet of Things.

The electronic equipment in the related art needs to be powered by a battery to maintain the working state, and the battery will not only bring challenges to the structure of the electronic equipment such as waterproof structure, but also increase the production cost of the electronic equipment and the maintenance cost of battery loss. At the same time, the waste Batteries will also bring environmental problems and affect people's daily life.

Contents of the invention

The application provides a micro-energy collection method and passive electronic equipment. The micro-energy collection method can collect wireless radio frequency micro-energy in free space to realize power supply. The method does not require battery power supply.

In the first aspect, the present application provides a micro-energy collection method, including:

Receive micro-energy signals in the space;

Frequency-lock the micro-energy signal of a specific frequency, and convert the frequency-locked micro-energy signal into electrical energy.

In some embodiments, the frequency-locking the micro-energy signal of a specific frequency, and converting the frequency-locked micro-energy signal into electric energy includes:

Convert micro-energy signals into digital signals;

Frequency-locking digital signals of a specific frequency;

Gain and amplify the frequency-locked digital signal to form electric energy.

In some embodiments, the frequency-locking the micro-energy signal of a specific frequency, and converting the frequency-locked micro-energy signal into electric energy includes:

Frequency-lock the micro-energy signal of a specific frequency, and divide the frequency-locked micro-energy signal into an energy frequency band signal and a communication frequency band signal;

At least one of the energy frequency band signal and the communication frequency band signal is converted into electrical energy.

In some embodiments, the frequency locking of the micro-energy signal of a specific frequency includes:

When interference is detected, frequency locking is performed on another specific frequency micro-energy signal.

In some embodiments, the converting the frequency-locked micro-energy signal into electrical energy includes:

Convert the frequency-locked micro-energy signal into a micro-current signal;

The micro-current signal is converted into stable output aggregate electric energy.

In some embodiments, the conversion of the micro-current signal into a stable output of aggregated electrical energy includes:

Mix the collection of micro-current signals within the preset unit duration into one group;

The micro-current signals with similar feature points in each group are extracted as nominal, and the micro-current signals after the nominal extraction form a stable output of aggregated electric energy.

In a second aspect, the present application also provides a passive electronic device, including:

The wireless receiving module is used to receive the micro-energy signal in the space, perform frequency locking on the micro-energy signal of a specific frequency, and convert the frequency-locked micro-energy signal into electric energy.

In some embodiments, the wireless receiving module includes:

The receiving antenna unit is used to receive micro-energy signals in the space;

a radio frequency identification unit electrically connected to the receiving antenna unit, the radio frequency identification unit is used to convert the micro-energy signal into a digital signal, and frequency-lock the digital signal of a specific frequency; and

The electric energy control unit is electrically connected with the radio frequency identification unit, and the electric energy control unit is used for receiving the frequency-locked digital signal, gaining and amplifying the frequency-locked digital signal to form electric energy.

In some embodiments, the radio frequency identification unit is further configured to perform frequency locking on another specific frequency micro-energy signal when interference is detected.

In some embodiments, the wireless receiving module is used to convert the frequency-locked micro-energy signal into a micro-current signal; the passive electronic device also includes:

The power management module is electrically connected with the wireless receiving module, and the power management module is used to receive the micro-current signal and convert the micro-current signal into a stable output of aggregated power.

The micro-energy collection method and passive electronic equipment of the present application, the micro-energy collection method includes: receiving the micro-energy signal in the space; frequency-locking the micro-energy signal of a specific frequency, and converting the frequency-locked micro-energy signal into electric energy . Based on this, the micro-energy collection method of the present application can capture wireless signals in space, perform frequency locking on wireless signals of a specific frequency, and convert the frequency-locked wireless signals into electrical energy. Therefore, on the one hand, the micro-energy collection method of the present application does not require traditional batteries for power supply, and can achieve "zero-power wireless radio frequency communication"; on the other hand, the micro-energy collection method of the present application can Adaptive capture of the frequency of the energy source can actively carry out accurate identification and capture in micro-energy sources in multiple frequency bands (such as 800MHz to 2.4GHz), which can improve the sensitivity and efficiency of receiving wireless signals; on the other hand, the embodiment of the present application The micro-energy collection method can also adapt to the micro-energy of a wider frequency band, so that the application scenarios of the micro-energy collection method in the embodiment of the present application are wider.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to these drawings without creative work.

Fig. 1 is a schematic flow chart of the first micro-energy collection method provided by the embodiment of the present application.

FIG. 2 is an application scenario diagram of the micro-energy collection method shown in FIG. 1 .

Fig. 3 is a schematic flow chart of the second micro-energy collection method provided by the embodiment of the present application.

FIG. 4 is a schematic diagram of a first structure of a passive electronic device provided by an embodiment of the present application.

FIG. 5 is a schematic diagram of a first structure of the wireless receiving module shown in FIG. 4 .

FIG. 6 is a schematic structural diagram of the radio frequency identification unit shown in FIG. 5 .

FIG. 7 is a schematic diagram of a second structure of the wireless receiving module shown in FIG. 4 .

FIG. 8 is a schematic structural diagram of the power control unit shown in FIG. 7 .

FIG. 9 is a schematic diagram of a second structure of a passive electronic device provided by an embodiment of the present application.

FIG. 10 is a schematic diagram of a third structure of a passive electronic device provided by an embodiment of the present application.

FIG. 11 is a first structural schematic diagram of the power management module shown in FIG. 9 .

FIG. 12 is a schematic diagram of an electrical connection of the power management module shown in FIG. 11 .

FIG. 13 is a schematic diagram of a fourth structure of a passive electronic device provided by an embodiment of the present application.

FIG. 14 is a schematic diagram of a second structure of the power management module shown in FIG. 9 .

FIG. 15 is a schematic diagram of a third structure of the power management module shown in FIG. 9 .

FIG. 16 is a schematic structural diagram of the amplifying unit shown in FIG. 11 .

FIG. 17 is a schematic diagram of a fifth structure of a passive electronic device provided by an embodiment of the present application.

FIG. 18 is a schematic diagram of a sixth structure of a passive electronic device provided by an embodiment of the present application.

FIG. 19 is a schematic diagram of a seventh structure of a passive electronic device provided by an embodiment of the present application.

FIG. 20 is a schematic diagram of an eighth structure of a passive electronic device provided by an embodiment of the present application.

FIG. 21 is a schematic diagram of electrical connection of the passive electronic device shown in FIG. 20 .

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings 1 to 21 in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

Embodiments of the present application provide a micro-energy collection method and passive electronic equipment. This micro-energy collection method can be applied to the passive electronic equipment of the embodiment of the present application, and can also be applied to one or several modules in the passive electronic equipment, for example, it can be applied to the wireless receiving module of the passive electronic equipment. It can be applied to other devices; the embodiment of the present application does not limit the execution subject of the micro-energy collection method. Among them, the passive electronic equipment can adopt the principle of microwave space scattering and follow the law of energy conservation to identify various weak nanoampere-level current electromagnetic wave signals wirelessly scattered in the air by various emission sources and effectively capture micro-energy. Through the acquisition algorithm chip, these micro-energy are accurately compared and calculated, and stored in the energy storage medium. The micro-energy in all computing units can be effectively stored, and after a long period of accumulation, a large energy pool will be formed to supply it to an extremely low level. All kinds of intelligent node terminal devices under power consumption continue to escort work, so that all kinds of IoT devices can truly achieve self-adaptive intelligent work without batteries and maintenance. It can be understood that the passive electronic device in the embodiment of the present application may be an electronic tag device, and may also be but not limited to a passive lock, a passive umbrella, etc. The form is not limited.

Wherein, please refer to FIG. 1 . FIG. 1 is a schematic flowchart of the first micro energy collection method provided by the embodiment of the present application. Micro energy harvesting methods include:

In 101, receiving micro-energy signals in the space;

Micro-energy signals can be electromagnetic wave signals of various weak nanoampere-level currents that are wirelessly scattered in the air by various emission sources. For example, please refer to FIG. 2 . FIG. 2 is an application scenario diagram of the micro-energy collection method shown in FIG. 1 . In our daily life space, there may be a variety of wireless electromagnetic waves scattered around. For example, but not limited to, the Wireless Fidelity (Wi-Fi) signal of the home, the Bluetooth Low Energy (Bluetooth Low Energy, BLE) signal around the shared bicycle, the third-generation mobile communication technology (3rd-Generation , referred to as 3G) signals, fourth-generation mobile communication technology (4th-Generation, referred to as 4G) signals, fifth-generation mobile communication technology (5th-Generation, referred to as 5G) signals, etc., these wireless signals or micro-energy sources of different frequencies can be real-time work in the same space. The micro-energy collection method of the embodiment of the present application can collect or obtain these wireless signals or micro-energy in the space. Micro energy signal.

It can be understood that the micro-energy collection method of the embodiment of the present application can control the wireless signal or micro-energy signal in the receiving space of the relevant module of the passive electronic device, for example, but not limited to, it can control the receiving space of the wireless receiving module of the passive electronic device The wireless signal or the micro-energy signal within. Of course, when the micro-energy collection method of the embodiment of the present application is applied to other devices, the micro-energy collection method can also control other devices to receive micro-energy signals in the space. The embodiment of the present application does not limit the specific execution subject of the micro-energy signal in the receiving space.

It should be noted that the concept of wireless signal and micro-energy in any embodiment of the present application can be interchanged, that is to say, the expression "wireless signal" in the embodiment of the present application can be replaced by the expression of "micro-energy", Not detailed here.

In 102, frequency-lock the micro-energy signal of a specific frequency, and convert the frequency-locked micro-energy signal into electric energy.

The micro-energy collection method of the embodiment of the present application can receive micro-energy signals in space, and can frequency-lock micro-energy signals of specific frequencies (including electrical signals corresponding to the micro-energy signals), and can frequency-lock The final micro-energy signal (including the electrical signal corresponding to the micro-energy signal) is converted into an electric energy signal. The electric energy signal can be, but not limited to, used by the execution subject of the micro-energy collection method of the embodiment of the present application, so that the execution subject of the micro-energy collection method can receive the micro-energy signal in the space again, so that the micro-energy collection method of the embodiment of the application The collection method can form an effective positive feedback mechanism, so that the executive body of the entire micro-energy collection method can complete the collection of micro-energy without battery or power supply excitation. Of course, the power signal can also be used by other energy-demanding devices, and the execution subject of the micro-energy collection method can be electrically connected to the energy-demanding device so that the energy-demanding device can receive the power signal transmitted by the execution subject of the micro-energy collection method. The embodiment of the present application does not limit the specific use of the electric energy signal collected by the micro-energy collection method.

It can be understood that the micro-energy collection method in the embodiment of the present application can capture micro-energy sources of different frequencies scattered and propagated in space. Because radio frequency signals are scattered in the surrounding environment when they propagate in space, they cannot be seen or touched by ordinary human eyes, and various types of radio frequency signals cannot be identified in complex environments. The micro-energy collection method of the embodiment of the present application can search for a specific frequency signal as quickly as possible, and can frequency-lock the specific frequency signal, thereby eliminating interference from other wireless signals and improving the efficiency of converting micro-energy signals into electrical energy.

It can be understood that, the specific frequency when the frequency locking operation is performed may be a preset frequency. The micro-energy acquisition method can identify, divide and analyze the received micro-energy signal, and capture the signal of a specific frequency for frequency-locking operation. Certainly, the specific frequency during the frequency locking operation may also be a frequency adaptively determined by the micro-energy collection method after analyzing the received micro-energy signal. For example, the micro-energy acquisition method can identify the signal with the best signal strength and better gain effect in the micro-energy signal, and use the frequency of the identified signal as a specific frequency to further lock the micro-energy signal of the specific frequency , and convert the frequency-locked micro-energy signal into an electric energy signal.

It should be noted that, the above is only an exemplary example of the micro-energy collection method of the embodiment of the present application performing frequency locking on a micro-energy signal of a specific frequency, and it is not limited thereto. All solutions that can perform frequency locking operations are within the scope of protection of the embodiments of the present application.

It should be noted that in the steps of frequency-locking a wireless signal or micro-energy of a specific frequency and converting the frequency-locked wireless signal or micro-energy into a micro-current signal or an electric energy signal, the method in this step is aimed at The object is not limited to the wireless signal or micro energy of a specific frequency, and the frequency locked wireless signal or micro energy, but also the current signal corresponding to the wireless signal or micro energy of the specific frequency, such as an analog signal, and frequency locked After the wireless signal is transferred or the current signal corresponding to the micro energy source, such as a digital signal. In other words, the operation correspondence of the two steps in the method of the embodiment of the present application is not limited to wireless signals and micro-energy sources, but may also include current signals corresponding to wireless signals and micro-energy sources.

The micro-energy collection method of the embodiment of the present application includes: receiving micro-energy signals in space; frequency-locking the micro-energy signals of a specific frequency, and converting the frequency-locked micro-energy signals into electrical energy. Based on this, the micro-energy collection method of the embodiment of the present application, on the one hand, can make its executive body do not need traditional batteries for power supply, and can achieve "zero-power wireless radio frequency communication"; on the other hand, the micro-energy collection method of the present application The method can adaptively capture according to the frequency of micro-energy scattered in space, and can actively carry out accurate identification and capture in micro-energy in multiple frequency bands (such as 800MHz to 2.4GHz), which can improve the sensitivity and efficiency of receiving wireless signals; On the other hand, the micro-energy collection method of the embodiment of the present application can also adapt to the micro-energy of a wider frequency band, so that the applicable scenarios of the micro-energy collection method of the embodiment of the present application are wider.

In some embodiments, in step 102, frequency-locking the micro-energy signal of a specific frequency, and converting the frequency-locked micro-energy signal into electric energy includes: converting the micro-energy signal into a digital signal; The signal is frequency-locked; the frequency-locked digital signal is amplified to form electric energy.

The micro-energy acquisition method in the embodiment of the present application converts the micro-energy signal into a digital signal, which is more convenient for identifying parameters such as frequency and waveform of the digital signal, and is also more convenient for frequency-locking operation of the digital signal of a specific frequency. Moreover, amplifying the frequency-locked digital signal can make the electric energy converted from the micro-energy signal stronger, and improve the efficiency of converting the micro-energy into electric energy. It should be noted that the micro-energy collection method of the embodiment of the present application can also frequency-lock the micro-energy signal of a specific frequency and convert it into electric energy in other ways, and the specific implementation of this step is not limited in the embodiment of the present application.

In some embodiments, in step 102, the micro-energy signal of a specific frequency is frequency-locked, and the frequency-locked micro-energy signal is converted into electric energy, including: frequency-locking the micro-energy signal of a specific frequency, and frequency-locking The final micro-energy signal is divided into an energy frequency band signal and a communication frequency band signal; at least one of the energy frequency band signal and the communication frequency band signal is converted into electric energy. In some embodiments, the micro-energy collection method further includes: transmitting wireless signals using communication frequency band signals.

The micro-energy collection method of the embodiment of the present application can receive micro-energy signals in the energy frequency band in space (such as but not limited to including 915MHz frequency band signals), and can also receive micro-energy signals in the communication frequency band in space (such as but not limited to including 2.4 GHz frequency band signal); the micro-energy acquisition method can lock and divide the frequency of these two micro-energy signals. In addition, the micro-energy collection method of the embodiment of the present application can convert energy frequency band signals or communication frequency band signals into electrical energy, and can also simultaneously convert energy frequency band signals and communication frequency band signals into electrical energy, thereby realizing the conversion of micro energy sources. Moreover, the micro-energy collection method of the embodiment of the present application can also transmit the communication frequency band signal to other modules of the executive body of the micro-energy collection method to transmit signals to realize the communication function, for example, but not limited to, the load module of passive electronic equipment can The communication function is realized under the action of the communication frequency band signal. Based on this, the micro-energy collection method of the embodiment of the present application can realize wireless radio frequency micro-energy collection, and can realize dual functions of energy transmission and communication transmission.

In some embodiments, the micro-energy collection method further includes: when interference is detected, frequency locking is performed on another specific frequency micro-energy signal.

The specific frequency for the frequency-locking operation of the micro-energy collection method in the embodiment of the present application can be changed adaptively to the environment. For example, in a certain environment, if the original specific frequency is interfered, then the micro-energy collection method can replace the micro-energy signal of another specific frequency for frequency locking operation, and the other specific frequency can be pre-stored in the micro-energy collection The subject of execution of the method, for example, the frequency data in the passive electronic device, may also be the frequency data adaptively determined by the micro-energy collection method according to the received signal. It can be understood that when interference is detected, the micro-energy collection method of the embodiment of the present application can also receive the micro-energy signal of another specific frequency in space, so that the subsequent steps can detect the micro-energy signal of another specific frequency It is more efficient for the signal to be frequency locked and converted to electrical energy.

In some embodiments, in step 102, converting the frequency-locked micro-energy signal into electric energy includes: converting the frequency-locked micro-energy signal into a micro-current signal; converting the micro-current signal into a stable output aggregated electric energy.

The micro-energy collection method of the embodiment of the present application can frequency-lock the received micro-energy signal in space and convert it into a micro-current signal (primary electric energy), and then convert the micro-current signal into a stable output aggregated electric energy (secondary electric energy) other modules (or other modules that receive aggregated electrical energy for work) such as but not limited to the load module of passive electronic equipment can work under the supply of the stabilized output aggregated electrical energy.

In some embodiments, converting the micro-current signals into stable output aggregated electrical energy includes: mixing micro-current signal acquisitions within a preset unit time into one group; The nominal value is extracted from the current signal, and the micro-current signal after the nominal value is extracted forms a stable output aggregate electric energy.

Since the micro-energy collection method needs to convert the micro-energy signal that spreads in space into a micro-current signal, the micro-current signal or electric energy signal is often in the form of an electrical signal with AC characteristics, and the micro-energy collection method can convert the preset unit The micro-current signals received within the time period are collected and mixed into a group, and the micro-current signals with similar characteristics in each group are extracted and nominally packaged, so that the micro-current signals with AC characteristics can be converted into stable output aggregated electric energy. The stable output aggregated electric energy can be supplied to other functional modules to facilitate the normal operation of the functional modules.

It should be noted that the above is only an exemplary example of converting a micro-current signal into a stable output aggregate electric energy, for example but not limited to a rectifier to realize the above functions. The embodiment of the present application does not limit the specific manner of converting the micro-current signal into stable output aggregated electric energy.

Based on the description of the micro-energy collection method above, please refer to FIG. 3 , which is a schematic flowchart of the second micro-energy collection method provided by the embodiment of the present application.

In 201, receive micro-energy signals in the space;

Micro-energy signals can refer to various weak nano-ampere current electromagnetic wave signals scattered in the air by various transmission sources. The micro-energy collection method of the embodiment of the present application can control its execution subject, for example but not limited to, to execute the micro-energy signal in the receiving space for the wireless receiving module (the receiving antenna unit) of the passive electronic device.

In 202, the micro-energy signal is converted into a digital signal, the digital signal of a specific frequency is frequency-locked, and the frequency-locked digital signal is amplified to form a micro-current signal;

The micro-energy acquisition method converts the micro-energy signal into a digital signal, which is more convenient for identifying parameters such as frequency and waveform of the digital signal, and is also more convenient for frequency-locking operation of the digital signal of a specific frequency. Moreover, amplifying the frequency-locked digital signal can make the electric energy converted from the micro-energy signal stronger, and improve the efficiency of converting the micro-energy into electric energy.

It can be understood that the micro-energy collection method can control its execution subject, such as but not limited to, the wireless receiving module (the radio frequency identification unit and the power control unit) of the passive electronic device to execute the above steps.

In 203, the collection of micro-current signals within the preset unit duration is mixed into a group, and the micro-current signals with similar feature points in each group are extracted as nominal, and the micro-current signals after the nominal extraction are formed to form a stable output aggregated electrical energy;

The micro-energy collection method can convert the primary electric energy of the micro-current signal into the secondary electric energy of the stable output aggregated electric energy. Since the micro-energy collection method needs to convert the micro-energy signal that spreads in space into a micro-current signal, the micro-current signal or electric energy signal is often in the form of an electrical signal with AC characteristics, and the micro-energy collection method can convert the preset unit The micro-current signals received within the time period are collected and mixed into a group, and the micro-current signals with similar characteristics in each group are extracted and nominally packaged, so that the micro-current signals with AC characteristics can be converted into stable output aggregated electric energy. The stable output aggregated electric energy can be supplied to other functional modules to facilitate the normal operation of the functional modules.

It can be understood that when the micro-energy collection method performs nominal packaging of micro-current signals as aggregated electrical energy, the aggregated electrical energy can be marked with electrical characteristics, for example, the aggregated electrical energy can be marked as an aggregated electrical energy with N volt voltage and M ampere current, Therefore, the micro-energy collection method can perform power management according to the marked aggregated electric energy. For example, but not limited to, the micro-energy collection method can calculate the current state of the execution subject of the micro-energy collection method, such as but not limited to passive electronic equipment or other energy-demanding equipment. The amount of power reserve, calculating the duration of the radio frequency micro-energy collection this time, calculating the time interval for the next radio frequency micro-energy collection... and so on.

In 204, when interference is detected, the above-mentioned steps 201 to 203 are performed on the micro-energy signal of another frequency.

The specific frequency for the frequency-locking operation of the micro-energy collection method in the embodiment of the present application can be changed adaptively to the environment. For example, in a certain environment, if the original specific frequency is interfered, then the micro-energy collection method can replace the micro-energy signal of another specific frequency for frequency locking operation, and the other specific frequency can be pre-stored in the micro-energy collection The subject of execution of the method, for example, the frequency data in the passive electronic device, may also be the frequency data adaptively determined by the micro-energy collection method according to the received signal.

It can be understood that when interference is detected, the micro-energy collection method of the embodiment of the present application can also receive the micro-energy signal of another specific frequency in space, so that the subsequent steps can detect the micro-energy signal of another specific frequency It is more efficient for the signal to be frequency locked and converted to electrical energy.

The micro-energy collection method of the embodiment of the present application can convert the micro-energy signal in the space into a micro-current signal and convert it into a stable output of aggregated electric energy. The electric energy converted from the micro-energy signal is more stable, and is more suitable for the execution of the micro-energy collection method. The use of the main body or other energy-demanding equipment, the application of the micro-energy collection method in this application is more extensive. Moreover, the micro-energy collection method of the embodiment of the present application can adaptively collect undisturbed micro-energy signals for power conversion according to the current environment, and the power conversion efficiency of the micro-energy signals is higher.

It should be noted that the micro-energy collection method of the embodiment of the present application can be applied to the passive electronic device or the related module of the passive electronic device in any of the following embodiments. Of course, the method for collecting micro-energy can also be applied to other modules, devices, storage media, and electronic equipment that can realize the solution, which is not limited in this embodiment of the present application.

Based on the above micro-energy collection method, an embodiment of the present application further provides a passive electronic device, which can execute the micro-energy collection method in any of the foregoing embodiments. Please refer to FIG. 4 and FIG. 5 . FIG. 4 is a first structural schematic diagram of a passive electronic device 100 provided by an embodiment of the present application, and FIG. 5 is a first structural schematic diagram of the wireless receiving module 110 shown in FIG. 4 .

The wireless receiving module 110 can receive the micro-energy signal in the space, and can frequency-lock the micro-energy signal of a specific frequency (including the electrical signal corresponding to the micro-energy signal), and can frequency-lock the micro-energy signal ( Including the electric signal corresponding to the micro-energy signal) is converted into a micro-current signal or an electric energy signal (primary electric energy). The micro-current signal or electric energy signal can be used for the wireless receiving module 110 of the passive electronic device 100 to work, also can be used for other modules of the passive electronic device 100, and can also be used for other energy-demanding devices.

As shown in FIG. 5 , the wireless receiving module 110 may include a receiving antenna unit 111 and a radio frequency identification unit 112 . The receiving antenna unit 111 can receive micro-energy signals in space. The radio frequency identification unit 112 may be electrically connected to the receiving antenna unit 111 directly or indirectly. The radio frequency identification unit 112 can convert the micro-energy signal received by the receiving antenna unit 111 into a digital signal, and perform frequency division identification on the digital signal. The radio frequency identification unit 112 can also perform frequency locking on a digital signal of a specific frequency.

Wherein, the receiving antenna unit 111 can capture micro-energy sources of different frequencies scattered and propagated in space. The receiving antenna unit 111 may be a probe-type antenna with high sensitivity. Because radio frequency signals are scattered in the surrounding environment when they propagate in space, they cannot be seen or touched by ordinary human eyes, and various types of radio frequency signals cannot be identified in complex environments. The receiving antenna unit 111 of the embodiment of the present application can search for a specific frequency signal at the fastest speed, and can eliminate interference from other wireless signals. The receiving antenna unit 111 of the embodiment of the present application can adaptively FM the wireless signal in the receiving space in the frequency range of 800MHz to 2.4GHz. The gain and sensitivity of the receiving antenna unit 111 can be in the range of 0 to +15dB, and the maximum can not exceed the +20dB specified by the management committee. The signal received by the receiving antenna unit 111 can quickly reach the radio frequency identification unit 112 .

It can be understood that the receiving antenna unit 111 of the embodiment of the present application can include both an antenna radiator for receiving signals and an antenna radio frequency circuit. The antenna radio frequency circuit can convert the excitation of the electromagnetic wave signal received by the antenna radiator into an electrical signal and form The reference signal source, so that the receiving antenna unit 111 can quickly transmit the reference signal source to the radio frequency identification unit 112 . Of course, the antenna radio frequency circuit can also be integrated in other modules of the passive electronic device 100 , for example, the radio frequency circuit can also be integrated in the radio frequency identification unit 112 . The embodiment of the present application does not limit the specific structure of the receiving antenna unit 111 .

Among them, the radio frequency identification unit 112 can receive the micro-energy signal transmitted by the antenna unit 111, and process the micro-energy signal to obtain a digital signal corresponding to the micro-energy signal; the radio frequency identification unit 112 can also receive the signal transmitted by the antenna unit 111. The electrical signal corresponding to the micro-energy signal is converted into a digital signal. The radio frequency identification unit 112 can identify, divide and analyze the digital signal corresponding to the micro-energy signal transmitted by the receiving antenna unit 111, and perform frequency locking operation on the signal of a specific frequency.

It can be understood that the specific frequency when the radio frequency identification unit 112 performs the frequency locking operation may be a preset frequency. The radio frequency identification unit 112 can also identify, divide and analyze the micro-energy signal transmitted by the receiving antenna unit 111, and capture a signal of a specific frequency for frequency locking operation. For example, the wireless receiving module 110 (such as the radio frequency identification unit 112, or the power control unit 113 hereinafter) can be activated under the action of the power signal or micro-current converted from the micro-energy signal received by the receiving antenna unit 111, and send to the receiving antenna The unit 111 (such as the radio frequency circuit of the receiving antenna unit 111 ) transmits a preset frequency, so that the receiving antenna unit 111 can capture more wireless signals of the preset frequency. Of course, the activated wireless receiving module 110 can also transmit the preset frequency to the radio frequency identification unit 112, so that the radio frequency identification unit 112 can frequency-lock the signal of the preset frequency.

It can be understood that the specific frequency when the radio frequency identification unit 112 performs the frequency locking operation may also be the frequency adaptively determined by the radio frequency identification unit 112 after analyzing the micro-energy signal transmitted by the receiving antenna unit 111 . For example, the radio frequency identification unit 112 can identify the signal with the best signal strength and better gain effect among the digital signals corresponding to the micro-energy signal, and use the frequency of the identified signal as a specific frequency to further micro-frequency the specific frequency. The digital signal corresponding to the energy signal is frequency-locked, and the digital signal corresponding to the frequency-locked micro-energy signal is converted into a micro-current signal or an electric energy signal. It can be understood that the wireless receiving module 110 can store or transmit the specific frequency parameter to the receiving antenna unit 111 or the radio frequency identification unit 112, so that the receiving antenna unit 111 or the radio frequency identification unit 112 can quickly capture and lock the specific frequency parameter. frequency signal.

It can be understood that, when the wireless receiving module 110 detects interference, it can perform frequency locking on another specific frequency micro-energy signal. For example, the specific frequency on which the radio frequency identification unit 112 performs the frequency locking operation may be changed adaptively to the environment, so as to perform frequency locking on another specific frequency micro-energy signal when interference is detected. Exemplarily, in a certain environment, the original specific frequency is interfered, then the radio frequency identification unit 112 can replace another specific frequency to perform frequency locking operation, and the other specific frequency can be pre-stored and stored in the wireless receiving module 110 The frequency data may also be the frequency data adaptively determined by the radio frequency identification unit 112 according to the signal received by the receiving antenna unit 111.

It should be noted that, the above is only an exemplary example of the radio frequency identification unit 112 in the embodiment of the present application performing frequency locking on a specific frequency wireless signal, and it is not limited thereto. Any solution that enables the radio frequency identification unit 112 to perform a frequency locking operation is within the scope of protection of the embodiments of the present application.

It can be understood that the radio frequency identification unit 112 can transmit the frequency-locked digital signal to other modules of the passive electronic device 100, such as the power management module 120 described below or other energy-demanding devices for subsequent operations; the radio frequency identification unit 112 can also The frequency-locked digital signal can be further amplified into a micro-current signal or a power signal, and the energy of a part of the micro-current signal or power signal can be supplied to the wireless receiving module 110 such as the receiving antenna unit 111 and the radio frequency identification unit 112 itself work, another part of the energy of the micro-current signal or the power signal can be transmitted to other modules of the passive electronic device 100 such as the power management module 120 or other energy-demanding devices for subsequent operations. The embodiment of the present application does not limit the operation of the radio frequency identification unit 112 after frequency locking.

It can be understood that the radio frequency identification unit 112 may be, but not limited to, a circuit-integrated chip structure, or a structure in which different independent devices are integrated. The embodiment of the present application does not limit the specific structure of the radio frequency identification unit 112 .

The wireless receiving module 110 of the embodiment of the present application can capture wireless signals in the space, and the wireless receiving module 110 can also perform frequency locking on wireless signals of a specific frequency and convert the frequency locked wireless signals into electrical energy. Therefore, on the one hand, the wireless receiving module 110 of the embodiment of the present application can perform adaptive capture according to the frequency of micro-energy scattered in space, and the wireless receiving module 110 can actively capture Accurate identification and capture can improve the sensitivity and efficiency of the wireless receiving module 110 in receiving wireless signals; The application scenarios of passive electronic tags are more extensive.

Wherein, please refer to FIG. 6 in conjunction with FIG. 5 . FIG. 6 is a schematic structural diagram of the radio frequency identification unit 112 shown in FIG. 5 . The radio frequency identification unit 112 may include an analog frequency generator 1121 , a frequency tuner 1122 and a frequency locker 1123 .

The analog frequency generator 1121 may be directly or indirectly electrically connected to the receiving antenna unit 111, and the analog frequency generator 1121 may convert the micro-energy signal received by the receiving antenna unit 111 into a digital signal. It can be understood that in this process, the receiving antenna unit 111 can first convert the received micro-energy signal into a corresponding electrical signal and transmit the electrical signal to the analog frequency generator 1121, and then the analog frequency generator 1121 will communicate with The micro-energy signal relative to the electric signal is converted into a digital signal; in this process, the receiving antenna unit 111 can also directly transmit the received micro-energy signal to the analog frequency generator 1121, and then the internal circuit of the analog frequency generator 1121 converts The micro-energy signal is converted into a digital signal. It should be noted that, the embodiment of the present application does not limit the specific working process of the analog frequency generator 1121 .

It can be understood that the analog frequency generator 1121 may include, but is not limited to, an analog-to-digital converter. The embodiment of the present application does not limit the specific structure of the analog frequency generator 1121 .

The frequency tuner 1122 may be electrically connected to the analog frequency generator 1121 directly or indirectly. The frequency tuner 1122 can perform operations such as identification, analysis, and frequency division on digital signals, so as to divide the frequency of micro-energy signals in multiple frequency bands (such as 800MHz to 2.4GHz) received by the antenna receiving unit, so that the frequency locker 1123 can The signal of fixed frequency is also frequency-locked. For example, the frequency tuner 1122 retains signals related to specific frequencies in the micro-energy signals received by the receiving antenna unit 111 and filters out signals of other frequencies. For another example, the frequency tuner 1122 can divide the micro-energy signal received by the receiving antenna unit 111 into an energy frequency band signal (such as but not limited to including a 915MHz frequency band signal) and a communication frequency band signal (such as but not limited to including a 2.4GHz frequency band signal), so that , the wireless receiving module 110 of the embodiment of the present application can realize wireless radio frequency micro-energy collection, and can realize dual functions of energy transmission and communication transmission.

It can be understood that, in order to further divide the frequency of the micro-energy signal, the frequency tuner 1122 can also perform other processing on the digital signal, such as but not limited to tuning the digital signal. The embodiment of the present application does not limit the specific working manner of the frequency tuner 1122 .

The frequency locker 1123 may be directly or indirectly electrically connected to the frequency tuner 1122, and the frequency locker 1123 may perform frequency locking on digital signals of a specific frequency, so as to capture more signals of the specific frequency.

It can be understood that the frequency locker 1123 can determine a specific frequency according to the signal with the best signal strength and better gain effect among the digital signals analyzed by the frequency tuner 1122 to realize the frequency locking operation; The electronic device 100 pre-stores specific frequency parameters to realize frequency locking operation. Of course, the frequency locker 1123 may also implement the frequency locking operation in other manners, and the embodiment of the present application does not limit the specific working manner of the frequency locker 1123 .

Among them, the passive electronic device 100 of the embodiment of the present application, such as the wireless receiving module 110, performs frequency locking on the micro-energy signal of a specific frequency, and in the process of converting the frequency-locked micro-energy signal into electric energy, the micro-energy signal of a specific frequency can be The energy signal is frequency-locked, and the micro-energy signal after frequency locking is divided into an energy frequency band signal and a communication frequency band signal; at least one of the energy frequency band signal and the communication frequency band signal is converted into electric energy; and the communication frequency band signal is used to transmit wireless signals.

It can be understood that, after the frequency locker 1123 of the wireless receiving module 110 performs a frequency locking operation on a signal of a specific frequency, the frequency-locked signal can be divided into multi-band signals, for example, can be divided into energy frequency band signals and communication frequency band signals; Then, the different frequency band signals can be transmitted to other modules of the passive electronic device 100, for example, the energy frequency band signal can be transmitted to the power management module 120 of the passive electronic device 100 in the following embodiments, so as to facilitate power management The module 120 converts the energy frequency band signal into secondary electric energy for the entire passive electronic device 100 to work; as another example, the communication frequency band signal can be transmitted to the load module 130 of the passive electronic device 100 in the following embodiments, so that The load module 130 can use the communication frequency band signal for communication. It can be understood that in actual operation, the energy frequency band signal can be converted into the function of secondary electric energy, and the communication frequency band signal can be converted into the function of secondary electric energy and can also be converted into the function of communication signal.

It can be understood that in actual operation, the load module 130 of the passive electronic device 100 can use the communication frequency band signal for communication, and the load module 130 of the passive electronic device 100 can also stimulate the communication frequency band signal by itself under the supply of electric energy. to communicate. The embodiment of the present application does not limit the specific functions of the energy frequency band signal and the communication frequency band signal.

It should be noted that the above is only an exemplary example of the working method of the frequency locker 1123, and the specific working method of the frequency locker 1123 is not limited thereto. The subsequent signal is subjected to frequency division operation. The embodiment of the present application does not limit the specific working manner of the frequency locker 1123 . It should be noted that the above is only an exemplary example of the radio frequency identification unit 112 in the embodiment of the present application, and the specific structure of the radio frequency identification unit 112 is not limited thereto, for example but not limited to, it may also include other circuit structures. The embodiment of the present application does not limit the specific structure of the radio frequency identification unit 112 .

The radio frequency identification unit 112 of the embodiment of the present application includes an analog frequency generator 1121, a frequency tuner 1122 and a frequency locker 1123. The three components cooperate with each other. When an effective radio frequency signal is detected and captured, the radio frequency identification unit 112 can quickly Adaptively capture the oscillation frequency point of a specific frequency and perform same-frequency resonance to complete, so that the radio frequency identification unit 112 can adaptively and quickly convert the wireless signal into a micro-current signal or an electric energy signal.

Wherein, please refer to FIG. 7 in conjunction with FIG. 4 . FIG. 7 is a second structural schematic diagram of the wireless receiving module 110 shown in FIG. 4 . The wireless receiving module 110 of the embodiment of the present application may further include a power control unit 113 .

The power control unit 113 may be directly or indirectly electrically connected to the radio frequency identification unit 112 . The power control unit 113 can receive the frequency-locked signal transmitted by the radio frequency identification unit 112, such as a digital signal, and gain and amplify the signal such as a digital signal to form a micro-current signal or a power signal (that is, to realize a primary power); the power control unit 113 can also perform distribution, storage and other management operations on the micro-current signal or power signal, so that the primary power formed by the micro-current signal or power signal can support the normal operation of the entire wireless receiving module 110 .

It can be understood that the power control unit 113 can transmit the primary power formed by the microcurrent signal or the power signal to the radio frequency identification unit 112 and the receiving antenna unit 111, so as to maintain the normal operation of the radio frequency identification unit 112 and the receiving antenna unit 111; When the primary electric energy stored in the electric energy control unit 113 still has excess energy after maintaining the normal operation of the radio frequency identification unit 112 and the receiving antenna unit 111, the electric energy control unit 113 can also transmit the excess energy to the electric energy management module 120 , to activate the power management module 120 and power the power management module 120 to work.

The wireless receiving module 110 of the embodiment of the present application includes a receiving antenna unit 111, a radio frequency identification unit 112, and a power control unit 113. The receiving antenna unit 111 can capture micro-energy signals from space, and the radio frequency identification unit 112 can perform micro-energy signals. Identification, frequency division and frequency locking, the power control unit 113 can store and manage the frequency-locked signal, so that the micro-energy signal can activate the radio frequency identification unit 112, and the excess micro-energy can also be continuously stored in the power control unit In 113, an effective positive feedback mechanism is formed, so that the entire wireless receiving module 110 can work without battery excitation.

Wherein, please refer to FIG. 8 in conjunction with FIG. 7 . FIG. 8 is a schematic structural diagram of the power control unit 113 shown in FIG. 7 . The electric energy control unit 113 of the embodiment of the present application may include a reference signal source circuit 1131 , an excitation gain circuit 1132 and a micro energy storage management circuit 1133 .

The reference signal source circuit 1131 may be directly or indirectly electrically connected to the frequency locker 1123 , and the reference signal source circuit 1131 may receive a frequency-locked signal such as a digital signal transmitted by the frequency locker 1123 .

The excitation gain circuit 1132 can be directly or indirectly electrically connected to the reference signal source circuit 1131, and the excitation gain circuit 1132 can amplify the frequency-locked signal such as a digital signal and form primary electric energy in the form of a micro current signal or an electric energy signal. It can be understood that the excitation gain circuit 1132 can perform one-stage gain amplification on the frequency-locked signal, such as a digital signal, and form a nanoampere level micro current signal or electric energy signal through the gain amplification to a certain multiple.

The micro-energy storage management circuit 1133 can be directly or indirectly electrically connected to the excitation gain circuit 1132 , and the micro-energy storage management circuit 1133 can manage the electrical signal or power signal or micro-current amplified by the excitation gain circuit 1132 . For example, the micro-energy storage management circuit 1133 can be provided with a small capacitive device, which can store the amplified micro-current signal or the primary electric energy of the power signal; 112 is required to transmit part of the stored microcurrent signal or power signal to the receiving antenna unit 111 and the radio frequency identification unit 112 to maintain the normal operation of both. For another example, the micro-energy storage management circuit 1133 can transmit the micro-current signal or power signal to the power management module 120 after the wireless receiving module 110 works normally, so as to activate and maintain the work of the power management module 120 .

It should be noted that the above is only an exemplary description of the power control unit 113 in the embodiment of the present application, and the specific structure of the power control unit 113 is not limited thereto. One or more of the excitation gain circuit 1132 and the micro-energy storage management circuit 1133 are combined into one circuit structure; for another example, the power control unit 113 may also include more circuit structures. The embodiment of the present application does not limit the specific structure of the power control unit 113, and any structure that can amplify and manage the frequency-locked signal of the radio frequency identification unit 112 can be within the protection scope of the embodiment of the present application.

The power control unit 113 of the embodiment of the present application includes a reference signal source circuit 1131, an excitation gain circuit 1132 and a micro-energy storage management circuit 1133. The three components cooperate with each other to amplify and store the frequency-locked signal of the radio frequency identification unit 112. The power control unit 113 can complete the first-level amplification and storage management of the micro-energy signal.

It should be noted that the above is only an exemplary example of the wireless receiving module 110 of the embodiment of the present application, the wireless receiving module 110 of the embodiment of the present application is not limited to this, for example but not limited to the wireless receiving module 110 can also include more functions other structures. The embodiment of the present application does not limit the specific structure of the wireless receiving module 110 .

Wherein, please refer to FIG. 9 and FIG. 10, FIG. 9 is a schematic diagram of the second structure of the passive electronic device 100 provided by the embodiment of the present application, and FIG. 10 is a third structure of the passive electronic device 100 provided by the embodiment of the present application schematic diagram. The passive electronic device 100 may further include a power management module 120 and a load module 130 .

The power management module 120 may be directly or indirectly electrically connected to the wireless receiving module 110 to receive the micro current signal or power signal (primary power) transmitted by the wireless receiving module 110 . The electrical connection form may be a physical electrical connection formed by electrical connectors such as wires, or may be a non-contact coupled electrical connection formed by electromagnetic coupling. The embodiment of the present application does not limit the specific electrical connection between the power management module 120 and the wireless receiving module 110; and, for the electrical connection relationship involved in the subsequent embodiments of the present application, you can also refer to the description of the embodiment of the present application, which will not be described in the following Let me repeat.

The power management module 120 can receive the micro-current signal or the power signal transmitted by the wireless receiving module 110, and convert the micro-current signal or the power signal into aggregated power that can be output stably for each module to work. It can be understood that the microcurrent signal or power signal transmitted by the wireless receiving module 110 may be primary power, and the power converted by the power management module 120 may be secondary power. The power management module 120 can manage the micro-current signal or power signal transmitted by the wireless receiving module 110, for example, but not limited to, the power management module 120 can amplify, convert, distribute, and store the micro-current signal or power signal or micro-current and so on, so that the primary electric energy can be converted into secondary electric energy, and the secondary electric energy can be managed as a whole, so that the electric energy management module 120 can realize the central control function of the passive electronic device 100 .

In the passive electronic device 100 of the embodiment of the present application, the wireless receiving module 110 and the power management module 120 cooperate to convert wireless signals in the space into electric energy, and supply the electric energy to the load module 130 to work. Therefore, the passive electronic device 100 of the embodiment of the present application does not require traditional batteries for power supply, and reconstructs the traditional energy delivery mechanism of power supply and wire transmission represented by batteries; Reliable work and extended scattering distance; it can realize the possibility of wireless energy transmission in the communication industry; it can achieve "zero-power wireless radio frequency communication", which is advanced in the industry and universally compatible with market applications; it can solve the industrial scene of the Internet of Things Low-cost, sustainable operation of intelligent terminals that are personalized, fragmented, and personalized; can effectively collect, redistribute and utilize wireless micro-energy, realize the reuse of wireless micro-energy, and avoid wireless micro-energy in the energy crisis waste and improve the utilization rate of wireless micro energy.

Among them, since the wireless receiving module 110 needs to convert the micro-energy signal that spreads in the space into a micro-current signal or a power signal, the micro-current signal or power signal transmitted by the wireless receiving module 110 to the power management module 120 is often AC characteristics of the electrical signal form, the power management module 120 can mix the micro-current signals or power signal collections transmitted by the wireless receiving module 110 within the preset unit time into one group, and collect the micro-current signals or power signals with similar characteristics in each group The signal is extracted and nominally packaged, so that the micro-current signal or power signal with AC characteristics can be converted into a stable output of aggregated power. The stable output aggregated electric energy can be supplied to the load module 130 of the passive electronic device 100 or other energy-demanding devices, so that the load module 130 or other energy-consuming devices can work normally.

It should be noted that the above is only an exemplary example for the power management module 120 to realize the stable output of aggregated power. For example, but not limited to, the power management module 120 may include a rectifier and implement the above functions through the rectifier. The embodiment of the present application does not limit the specific manner of realizing the stable output of aggregated electric energy by the electric energy management module 120 .

It can be understood that the power management module 120 can also store the stably output aggregated power, for example, but not limited to, the power management module 120 can include a supercapacitor structure to store power. The load module 130 and the wireless receiving module 110 can maintain normal operation under the action of the stored electric energy. Certainly, the passive electronic device 100 may also separately include an energy storage module, and the energy storage module may be electrically connected to the power management module 120 to receive and store the aggregated power output by the power management module 120 . At the same time, the energy storage module can also be directly or indirectly electrically connected with other modules of the passive electronic device 100 such as the wireless receiving module 110 and the load module 130 to maintain normal operation of both. It should be noted that the embodiment of the present application does not limit the specific storage manner of the aggregated electric energy.

The power management module 120 of the embodiment of the present application can convert the power or micro current transmitted by the wireless receiving module 110 into a stable output of aggregated power, which can ensure the normal operation of the load module 130 . Therefore, the power management module 120 of the present application can realize the conversion of AC signals into stable output power without the support of complicated hardware structure, has simple structure, convenient operation, lower energy storage cost, and better power supply effect.

Wherein, please refer to FIG. 11 and FIG. 12 in conjunction with FIG. 9 , FIG. 11 is a schematic diagram of the first structure of the power management module shown in FIG. 9 , and FIG. 12 is an electrical connection of the power management module 120 shown in FIG. 11 schematic diagram. The power management module 120 may include an amplification unit 121 and a power management unit 122 .

The amplifying unit 121 can be directly or indirectly electrically connected with the wireless receiving module 110, for example, the amplifying module can be directly or indirectly electrically connected with the power control unit 113 of the wireless receiving module 110, further, the amplifying unit 121 can be connected with the micro energy source of the power control unit 113 The storage management circuit 1133 is electrically connected directly or indirectly. The amplifying unit 121 can receive the micro-current signal or the electric energy transmitted by the wireless receiving module 110, and can amplify the micro-current signal or the electric energy signal. The amplifying unit 121 can synchronize and invert and amplify the nanoampere-level micro-current signal or electric energy or micro-current transmitted by the wireless receiving module 110, and the amplifying unit 121 can realize secondary amplification of micro-energy.

It can be understood that the amplifying unit 121 may be, but not limited to, a power amplifier. The embodiment of the present application does not limit the specific structure of the amplifying unit 121 , and any circuit or structure capable of amplifying electric energy or micro current is within the scope of protection of the embodiment of the present application.

The power management unit 122 may be directly or indirectly electrically connected to the amplification unit 121 . The power management unit 122 can receive the amplified micro-current signal or power signal transmitted by the amplification unit 121 and perform effective energy management. The power management unit 122 can convert the amplified micro-current signal or power signal into a stable output of aggregated power. For example, the electric energy management unit 122 may adopt an energy recovery algorithm, which adopts an energy point innovative feature set mixing algorithm to achieve stable output of aggregated electric energy. Specifically, the power management unit 122 can collect micro-current signals or power signals transmitted by the wireless receiving module 110 within a preset unit time and mix them into one group, and perform micro-current signals or power signals with similar characteristics in each group. The nominal packaging is extracted, so that the micro-current signal or power signal with AC characteristics can form a stable output of aggregated power. The stable output aggregated electric energy can be supplied to the load module 130 so that the load module 130 can work normally. It can be understood that, when the power management unit 122 packs the micro-current signal or the power signal nominally into the aggregated electrical energy, it can mark the aggregated electrical energy with electrical characteristics, for example, it can mark the aggregated electrical energy as a voltage of N volts and a current of M amperes. Aggregate electric energy, so that the electric energy management unit 122 can perform power management according to the marked aggregated electric energy. For example, but not limited to, the electric energy management unit 122 can calculate the current electric energy reserve of the passive electronic device 100, calculate the current time of the passive electronic device 100 The time period for collecting radio frequency micro energy, calculating the time interval for the next time the passive electronic device 100 collects radio frequency micro energy... and so on.

It should be noted that the above is only an exemplary example for the power management unit 122 to realize the stable output of aggregated electric energy, and the power management unit 122 can also realize the above functions in other ways, for example but not limited to, the power management unit 122 can realize the above functions through a rectifier. The embodiment of the present application does not limit the specific manner of realizing the stable output of aggregated electric energy by the electric energy management unit 122 .

It can be understood that the power management unit 122 can also be directly or indirectly electrically connected with the wireless receiving module 110, for example, the power management unit 122 can be directly or indirectly electrically connected with the power control unit 113 of the wireless receiving module 110, further, the power management unit 122 may be directly or indirectly electrically connected to the micro-energy storage management circuit 1133 of the power control unit 113 . The power management unit 122 can be activated and in a working state under the excitation of the micro-current signal or power signal transmitted by the wireless receiving module 110, so that the power management unit 122 converts the micro-current signal or power signal amplified by the amplification unit 121 into a stable The aggregated electrical energy output. Of course, the power management unit 122 can also be activated and in working state under the action of the amplified micro-current signal or power signal provided by the amplifying unit 121, so that the power management unit 122 realizes stable output of aggregated power. It should be noted that the embodiment of the present application does not limit the specific mode of the power management unit 122, and any working mode that can convert the amplified electrical signal or power signal or micro current of the amplifying unit 121 into a stable output aggregated power can be used. Within the scope of protection of the embodiments of this application.

It can be understood that the power management unit 122 can also store the aggregated power. For example, the power management unit 122 may include an electric energy storage unit such as but not limited to a supercapacitor, which can store the aggregated electric energy converted by the electric energy management unit 122, and can transmit the aggregated electric energy to other modules when other modules need electric energy support. electrical energy.

Of course, in other embodiments, please refer to FIG. 13 and FIG. 14, FIG. 13 is a schematic diagram of the fourth structure of the passive electronic device 100 provided by the embodiment of the present application, and FIG. 14 is the power management module 120 shown in FIG. 9 As shown in FIG. 13 , the passive electronic device 100 can be independently provided with an electric energy storage unit 140 ; or as shown in FIG. 14 , the electric energy management module 120 can be independently provided with an electric energy storage unit 124 . The electric energy storage unit 140 or the electric energy storage unit 124 can be directly or indirectly electrically connected with the electric energy management module 120 such as the electric energy management unit 122 and store the aggregate electric energy transmitted by the electric energy management unit 122, and can provide electric energy support for other modules. Based on this, the embodiment of the present application does not limit the specific storage method of the aggregated electric energy.

The power management module 120 of the embodiment of the present application includes an amplifying unit 121 and a power management unit 122. The amplifying unit 121 can implement primary power inverting and amplifying the micro-current signal or power signal transmitted by the wireless receiving module 110. The power management unit 122 can convert The amplified and scattered weak energy with AC characteristics is effectively combined into a stable output aggregated energy, which can effectively ensure the normal operation of the power management module 120 and the load module 130 .

Wherein, please refer to FIG. 15 in conjunction with FIG. 11 and FIG. 12 . FIG. 15 is a third structural diagram of the power management module 120 shown in FIG. 9 . The power management module 120 may also include a control management unit 123 .

The control management unit 123 may be directly or indirectly electrically connected to at least one of other units in the power management module 120 , the wireless receiving module 110 , and the load module 130 . The control management unit 123 may be electrically connected to the power management unit 122 directly or indirectly. The power management unit 122 can transmit the aggregated power output stably to the control management unit 123, and the control management unit 123 can receive the aggregated power and activate the work.

The control management unit 123 may be directly or indirectly electrically connected to the amplification unit 121 . The control management unit 123 can control the work of the amplifying unit 121 according to the aggregated power transmitted by the power management unit 122 . For example, the control management unit 123 may control the magnification of the magnification unit 121 . It can be understood that the amplifying unit 121 can receive the micro-current signal or the electric energy signal transmitted by the wireless receiving module 110 such as the micro-energy storage management circuit 1133, and firstly amplify the micro-current signal or the electric energy signal according to a preset amplification factor (for example, double the amplification). Amplify, and transmit the amplified micro-current signal or power signal to the power management unit 122 to form aggregated power, so that the control management unit 123 can be activated by the aggregated power, and the control management unit 123 can be quickly activated. Subsequently, the control management unit 123 can control and adjust the multiple of the amplifying unit 121 according to the aggregated electric energy transmitted by the power management unit 122 (for example, adjust to double, triple...), and the amplifying unit 121 can continue to adjust the power according to the adjusted magnification. The received micro-current signal or electric energy signal is amplified, which can make the conversion rate of aggregated electric energy faster. It can be understood that, in this process, the control management unit 123 may adjust the working parameters of the amplification unit 121 multiple times according to the actual situation. The embodiment of the present application does not limit the specific working manner in which the control management unit 123 controls the amplification unit 121 .

It can be understood that the control management unit 123 can also be electrically connected to the load module 130, and the control management unit 123 can control the power management unit 122 or the power storage unit to provide power for the load module 130 according to the working parameters of the load module 130, and ensure the load Normal operation of module 130. It can be understood that the control management unit 123 can also reversely control the work of the amplification unit 121 and the power management unit 122 according to the working state of the load module 130 (such as the power consumption of the load module 130), for example, according to the load module 130 The working state of the load module 130 is adjusted by adjusting the amplification factor of the amplification unit 121 and the distribution ratio of the power management unit 122 to the load module 130 . The embodiment of the present application does not limit the specific control manner of the load module 130 , the amplification unit 121 , and the power management unit 122 by the control management unit 123 .

The control management unit 123 can also be directly or indirectly electrically connected to the wireless receiving module 110 , and the control management unit 123 can also control the wireless receiving module 110 . For example, but not limited to, when the aggregated electric energy stored in the passive electronic device 100 reaches a certain level, there is no need to convert micro energy into aggregated electric energy. At this time, the control management unit 123 can control the wireless receiving module 110 to stop working. It should be noted that the above is only an exemplary example of the control and management unit 123 controlling the wireless receiving module 110, and other control schemes may also be within the protection scope of the embodiment of the present application.

It can be understood that the control management unit 123 may be a Microcontroller Unit (MCU for short). The control management unit 123 can be a tiny computing processing center of the entire passive electronic device 100, the control management unit 123 can work under the excitation of the aggregated energy provided by the power management unit 122, and can complete the effective signal source of the amplifying unit 121 It can also control the load module 130 to work. Therefore, the control management unit 123 can control each module and unit of the passive electronic device 100 , which will not be described in detail here.

The power management module 120 of the embodiment of the present application includes an amplification unit 121 , a power management unit 122 and a control management unit 123 . The three modules complete their respective tasks independently of each other and can cooperate with each other. The amplifying unit 121 can synchronously invert and amplify the basic signal (micro-current signal or power signal) transmitted by the wireless receiving module 110, and the primary electric energy stored in the wireless receiving module 110 can stimulate and wake up the power management unit 122, and the power management unit 122 can quickly Activation can improve the response rate of the passive electronic device 100; at the same time, the power management unit 122 can convert the signal amplified by the amplifying unit 121 into a stable output aggregate energy, and the control management unit 123 can process the passive electronic device 100 according to the working state Service logic information between modules and units of the entire passive electronic device 100 .

Please refer to FIG. 11 again and please refer to FIG. 16 . FIG. 16 is a schematic structural diagram of the amplifying unit 121 shown in FIG. 11 . The amplification unit 121 may include a reference sampling circuit 1211 , a multiple amplification circuit 1212 and an amplification feedback circuit 1213 .

The reference sampling circuit 1211 can be directly or indirectly electrically connected to the wireless receiving module 110 such as the power control unit 113 of the wireless receiving module 110 or the micro-energy storage management circuit 1133, and the reference sampling circuit 1211 can receive the micro-current signal or electric energy transmitted by the wireless receiving module 110 Signal. The multiple amplifier circuit 1212 can be directly or indirectly electrically connected to the reference sampling circuit 1211, and the multiple amplifier circuit 1212 can amplify the received micro-current signal or power signal by a certain factor, and amplify the micro-current signal or power signal with the secondary inversion of the solid line.

It can be understood that the multiple amplifier circuit 1212 can be directly or indirectly electrically connected with the power management unit 122 so that the multiple amplifier circuit 1212 can transmit the inverted and amplified signal to the power management unit 122 . Certainly, the multiple amplification circuit 1212 may also transmit the amplified signal to the amplification feedback circuit 1213 , and the amplification feedback circuit 1213 transmits the inverted and amplified signal to the power management unit 122 . The embodiment of the present application does not limit the specific manner of transmitting the amplified electrical signal to the power management unit 122 .

It can be understood that the amplification feedback circuit 1213 may be directly or indirectly electrically connected to the multiple amplification circuit 1212 . The amplification feedback circuit 1213 can also be directly or indirectly electrically connected to the control management unit 123 of the power management module 120 hereinafter, the amplification feedback circuit 1213 can receive the adjustment information of the amplification factor transmitted by the control management unit 123, and the amplification feedback circuit 1213 may transmit the adjustment information to the multiple amplification circuit 1212, so that the multiple amplification circuit 1212 amplifies the received electrical signal or electric energy or micro current according to the adjusted amplification factor.

The amplification circuit of the embodiment of the present application includes a reference sampling circuit 1211, a multiple amplification circuit 1212, and an amplification feedback circuit 1213, which cooperate with each other and cooperate with each other, which can not only realize the secondary inverter amplification of micro-current signals or electric energy signals, but also accept control and management The control of the unit 123 enables adaptive control of the micro-current signal or the secondary inverter amplification of the power signal, so that the amplification circuit of the embodiment of the present application can make the weak signal source realize effective voltage and current stabilization in the power management module 120 .

It should be noted that the above is only an exemplary description of the amplifying unit 121 provided in the embodiment of the present application, and the specific structure of the amplifying unit 121 is not limited thereto. . Any structure that can perform two-stage inverting and amplifying the micro-current signal or electric energy signal transmitted by the wireless receiving module 110 can be within the scope of protection of the amplification unit 121 of the embodiment of the present application.

It should be noted that the above is only an exemplary description of the power management module 120 provided in the embodiment of the present application, and the specific structure of the power management module 120 is not limited thereto. For example, the power management module 120 may include more or fewer modules , the embodiment of the present application does not limit the specific structure of the power management module 120, any structural scheme that can receive the micro-current signal or power signal transmitted by the wireless receiving module 110 and convert it into electric energy can be used in the embodiment of the present application within the scope of protection.

Wherein, please refer to FIG. 17 , which is a fifth structural schematic diagram of the passive electronic device 100 provided by the embodiment of the present application. The load module 130 of the passive electronic device 100 may include a Bluetooth unit 131 .

The Bluetooth unit 131 may be directly or indirectly electrically connected to the power management module 120 , and the Bluetooth unit 131 may transmit signals such as broadcast signals externally under the supply of electric energy provided by the power management module 120 . For example, when the power management module 120 receives the micro-current signal or power signal (primary power) transmitted by the wireless receiving module 110 and converts the micro-current signal or power signal (secondary power) into a stable output aggregate power, the Bluetooth unit 131 may broadcast a signal externally under the supply of the aggregated electric energy with stable output provided by the electric energy management module 120 .

It can be understood that the bluetooth unit 131 can be directly or indirectly electrically connected with the power management unit 122 of the power management module 120 , so as to receive the stable output aggregate power transmitted by the power management unit 122 . The bluetooth unit 131 can also be directly or indirectly electrically connected to the electric energy storage unit storing aggregated electric energy, so as to receive the aggregated electric energy output stably transmitted by the electric energy storage unit. The Bluetooth unit 131 can also be directly or indirectly electrically connected to the control management unit 123 of the power management module 120 to receive the control of the control management unit 123, for example, the control management unit 123 can control the Bluetooth unit 131 to broadcast signals externally under certain trigger conditions , and stop broadcasting signals outside under another certain trigger condition.

It can be understood that, when other electronic terminals receive the broadcast signal transmitted by the Bluetooth unit 131, they can identify the Bluetooth unit 131 or the passive electronic device 100 to perform corresponding functions. For example, after the bluetooth unit 131 or the passive electronic device 100 is identified, it can realize, but not limited to, the positioning function, code scanning function, and content push function of the passive electronic device 100 . The embodiment of the present application does not limit the specific application scenarios of the Bluetooth unit 131 .

It can be understood that the Bluetooth unit 131 can be responsible for independently parsing a part of special content surrounding the BLE protocol stack, and can actively broadcast wireless signals and send becan signals. The bluetooth unit 131 of the embodiment of the present application can only transmit the broadcast signal and not be used for receiving the signal. The bluetooth unit 131 may not include hardware and software structures suitable for the function of receiving the signal. The bluetooth unit 131 can be used as the radio frequency transmitter of the BLE signal. Simplified design, the Bluetooth unit 131 can not only ensure the completion of its own extremely low power consumption working state while being compatible with the international general Bluetooth protocol stack, but also take into account the power of the transmitted signal to ensure the wireless communication of the receiving terminal (such as an electronic terminal) in the scene. perceived experience. Moreover, during the use of the Bluetooth unit 131, the connection and disconnection of the Bluetooth unit 131 itself is a 0-1 switch induction, and the Bluetooth unit 131 either transmits signals such as broadcast signals, or stops transmitting signals, which is equivalent to being in a State changes in fixed scenarios make the active uploading and sending of the Bluetooth unit 131 of the present application much more meaningful than the passive receiving of the traditional Ultra High Frequency (UHF for short). The bluetooth unit 131 of the present application will be a good network for the more popular ad hoc network expansion application of the Internet of Things in the future.

The bluetooth unit 131 of the embodiment of the present application only broadcasts signals without receiving signals, which can make the structure of the bluetooth unit 131 of the embodiment of the present application simpler and lower in cost, and can also make the bluetooth unit 131 of the present application operate at a very low It can work under power consumption, therefore, the Bluetooth unit 131 of the embodiment of the present application is more suitable for the passive electronic device 100 of the present application.

Wherein, please refer to FIG. 18 and FIG. 19 in conjunction with FIG. 17. FIG. 18 is a schematic diagram of the sixth structure of the passive electronic device 100 provided by the embodiment of the present application, and FIG. 19 is the passive electronic device 100 provided by the embodiment of the present application. Schematic diagram of the seventh structure. The load module 130 of the embodiment of the present application may further include a sensor unit 132 .

The sensor unit 132 may be, but not limited to, a micro system sensor (MEMS). The sensor unit 132 may be directly or indirectly electrically connected to the power management module 120 , and the sensor unit 132 may collect parameter information under the supply of electric energy provided by the power management module 120 . For example, when the power management module 120 receives the micro-current signal or power signal (primary power) transmitted by the wireless receiving module 110 and converts the micro-current signal or power signal into a stable output aggregate power (secondary power), the sensor unit 132 The supply and collection parameter information of the aggregated electric energy with stable output provided by the electric energy management module 120 may be used. It can be understood that the parameter information may be, but not limited to, parameter information in the current environment of the passive electronic device 100, such as but not limited to temperature parameter information, humidity parameter information, pressure parameter information, altitude parameter information, inclination information, etc. The sensor unit 132 can collect parameters such as temperature parameters, humidity, pressure, altitude, and inclination in the current environment of the passive electronic device 100 .

It can be understood that the sensor unit 132 may be directly or indirectly electrically connected to the power management unit 122 of the power management module 120 to receive the aggregated power output stably output by the power management unit 122 . The sensor unit 132 can also be directly or indirectly electrically connected to the electric energy storage unit storing aggregated electric energy, so as to receive the aggregated electric energy output stably transmitted by the electric energy storage unit. The sensor unit 132 can also be directly or indirectly electrically connected to the control management unit 123 of the power management module 120, so as to receive the control of the control management unit 123, for example, the control management unit 123 can control the sensor unit 132 to collect preset data under certain trigger conditions. Parameter information, stop collecting preset parameter information under another certain trigger condition.

It can be understood that the load module 130 in the embodiment of the present application may include at least one of the sensor unit 132 and the Bluetooth unit 131 . For example, as shown in Figure 17, the load module 130 may include a Bluetooth unit 131 but not a sensor unit 132; for another example, as shown in Figure 18, the load module 130 may include a sensor unit 132 but not a Bluetooth unit 131; for another example, As shown in FIG. 19 , the load module 130 may include a Bluetooth unit 131 and a sensor unit 132 at the same time. Moreover, the load module 130 of the embodiment of the present application may include one or more (two or more) Bluetooth units 131 and one or more (two or more) sensor units 132 . Based on this, the embodiment of the present application does not limit the arrangement and quantity of the Bluetooth unit 131 and the sensor unit 132 .

It can be understood that the sensor unit 132 can communicate with other electronic terminals or servers or cloud platforms, and the sensor unit 132 can transmit the collected parameter information to other electronic terminals or servers or cloud platforms, so that the electronic terminals or servers or The cloud platform can acquire relevant information in the current environment of the passive electronic device 100 .

Of course, the sensor unit 132 can also be directly or indirectly electrically connected to the Bluetooth unit 131, the sensor unit 132 can convert the collected relevant information into an electrical signal carrying information and send it to the Bluetooth unit 131, and the Bluetooth unit 131 can actively send the electrical signal to the Bluetooth unit 131. The external broadcast is sent out. It should be noted that the above is only an exemplary description of the external transmission of the parameter information collected by the sensor unit 132 , and the embodiment of the present application does not limit the specific manner of external transmission of the parameter information collected by the sensor unit 132 .

It can be understood that the sensor unit 132 in the embodiment of the present application is a flexible design unit option in the framework of the entire passive electronic device 100, and the passive electronic device 100 may be provided with the sensor unit 132 or may not be provided with the sensor unit 132 . The sensor unit 132 can adapt to different scenarios and need to sense the current environment parameters of the passive electronic device 100 , such as temperature, temperature, pressure, altitude and so on. Subsequently, the sensor unit 132 can be attached to a space wireless network node, and these parameters can be wirelessly collected and reported to the cloud platform back server in real time, so that the whole system not only adds a rich content of feasibility, but also is close to the needs of life and greatly meets different scenarios. needs.

The sensor unit 132 of the embodiment of the present application is a task unit with a variable sensor load, which can collect parameter information in the current environment of the passive electronic device 100 and can use the Bluetooth unit 131 to actively broadcast and report to the cloud platform, which can reduce the sensor load. The power consumption of the unit 132 can also expand the application scenarios of the passive electronic device 100 and improve the adaptability of the passive electronic device 100 .

Wherein, please refer to FIG. 20 and FIG. 21 , FIG. 20 is a schematic diagram of the eighth structure of the passive electronic device 100 provided by the embodiment of the present application, and FIG. 21 is a schematic diagram of an electrical connection of the passive electronic device 100 shown in FIG. 20 . The passive electronic device 100 also includes an encrypted storage unit 150 .

The encrypted storage unit 150 can be directly or indirectly electrically connected to at least one of the wireless receiving module 110 , the power management module 120 , and the load module 130 . The encrypted storage unit 150 can store data and prevent illegal tampering of data.

It can be understood that the encryption storage unit 150 can be responsible for saving important configuration parameters in the normal operation of the passive electronic device 100, such as encrypted storage in the case of power failure (power failure), and can prevent malicious and illegal tampering of the data; at the same time, The sectors of the redundant space on the encrypted storage unit 150 can store other randomly rewritable data. Therefore, the encrypted storage unit 150 can ensure a reasonable allocation of storage space within a limited storage space and control storage operations with healthy power consumption, so as to achieve a bidirectional balance between energy consumption and access content.

It can be understood that the encryption storage unit 150 prevents data from being tampered with illegally, including but not limited to modifying data only when a correct command is identified, and refusing to modify data for other erroneous commands. The embodiment of the present application does not specifically limit the manner in which the encrypted storage unit 150 prevents illegal tampering of data.

It can be understood that the encrypted storage unit 150 can cooperate with the data encryption of the power management module 120 and the load module 130, and the encrypted storage unit 150 can be used as the storage center of the encrypted data center of the power management unit 122 in the power management module 120, or can be used as an electric energy The storage center of the management module 120 that controls the business logic processing center of the management unit 123 can also be used as the storage center of the special configuration protocol in the Bluetooth unit 131 , and can also be used as the storage center of the analog sensing data in the sensor unit 132 .

It can be understood that the encrypted storage unit 150 can be but not limited to a memory, and the memory can be designed so that it can store data and prevent data from being illegally tampered with. The embodiment of the present application does not limit the specific structure of the encrypted storage unit 150 .

It can be understood that the encrypted storage unit 150 can be used as a separate module of the passive electronic device 100, and the encrypted storage unit 150 can be integrated in other modules, for example but not limited to, the encrypted storage unit 150 can be integrated in the power management module 120 And as a part of the power management module 120 . The embodiment of the present application does not limit the specific structure of the encrypted storage unit 150 .

The encrypted storage unit 150 of the embodiment of the present application can not only store data, but also encrypt and save important data to prevent it from being tampered with. Therefore, the encrypted storage unit 150 of the embodiment of the present application can ensure that the storage space is reasonably allocated in the limited storage space And benign power consumption controls storage operations to achieve a two-way balance between energy consumption and access content.

The passive electronic device 100 of the embodiment of the present application, the bluetooth unit 131 , the encrypted storage unit 150 and the sensor unit 132 can work independently of each other or cooperate with each other. The Bluetooth unit 131 can be responsible for parsing a special part of the content surrounding the BLE protocol stack, and actively broadcast and send signals; the encrypted storage unit 150 can be responsible for encrypting and storing important configuration parameters in the case of power failure, and the sectors of redundant space can Store other data that can be rewritable at random; the sensor unit 132 is used as a variable sensor load, which can simulate signal acquisition parameters and then actively broadcast and send them with the Bluetooth unit 131, so that the passive electronic device 100 of the embodiment of the present application can achieve energy Two-way balance between consumption and access content.

It should be noted that the above is only an exemplary description of the passive electronic device 100 in the embodiment of the present application, and the specific structure of the passive electronic device 100 is not limited, for example, the passive electronic device 100 may also include a sleep unit, a wake-up unit and other structures, the embodiment of the present application does not limit the specific structure of the passive electronic device 100 .

It should be noted that the micro-energy collection method and the passive electronic device in the embodiment of the present application belong to different subjects under the same inventive concept, and the embodiments of the two can be cited and combined arbitrarily, and the cited and combined embodiments are also included in this application. Within the protection scope of the embodiments of the application, no detailed description is given here.

It should be noted that the descriptions of all the above-mentioned embodiments of the present application and the descriptions of all the drawings are not used to limit the scope of protection of the present application. The various device, module, power supply, circuit and other structural embodiments and various method embodiments in the embodiments of this application can be combined arbitrarily on the premise of not conflicting, and the combined embodiments are also within the scope of protection of the embodiments of this application Inside.

It should be noted that in the description of the present application, it should be understood that terms such as "first" and "second" are only used to distinguish similar objects, and cannot be interpreted as indicating or implying relative importance or implying Indicates the number of technical characteristics indicated.

The micro-energy collection method and passive electronic equipment provided by the embodiments of the present application have been introduced in detail above. In this paper, specific examples are used to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only used to help understand the present invention. invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the present invention.

Claims (10)

1. A micro-energy collection method, characterized in that, comprising: Receive micro-energy signals in the space; Frequency-lock the micro-energy signal of a specific frequency, and convert the frequency-locked micro-energy signal into electrical energy. 2. The micro-energy acquisition method according to claim 1, wherein said frequency-locking the micro-energy signal of a specific frequency, and converting the frequency-locked micro-energy signal into electric energy comprises: Convert micro-energy signals into digital signals; Frequency-locking digital signals of a specific frequency; Gain and amplify the frequency-locked digital signal to form electric energy. 3. The micro-energy collection method according to claim 1, wherein said frequency-locking the micro-energy signal of a specific frequency, and converting the frequency-locked micro-energy signal into electric energy comprises: Frequency-lock the micro-energy signal of a specific frequency, and divide the frequency-locked micro-energy signal into an energy frequency band signal and a communication frequency band signal; At least one of the energy frequency band signal and the communication frequency band signal is converted into electrical energy. 4. The micro-energy collection method according to claim 1, wherein the frequency locking of the micro-energy signal of a specific frequency comprises: When interference is detected, frequency locking is performed on another specific frequency micro-energy signal. 5. The micro-energy collection method according to any one of claims 1 to 4, wherein said converting the frequency-locked micro-energy signal into electric energy comprises: Convert the frequency-locked micro-energy signal into a micro-current signal; The micro-current signal is converted into stable output aggregate electric energy. 6. The micro-energy collection method according to claim 5, wherein said converting the micro-current signal into stable output aggregated electric energy comprises: Mix the collection of micro-current signals within the preset unit duration into one group; The micro-current signals with similar feature points in each group are extracted as nominal, and the micro-current signals after the nominal extraction form a stable output of aggregated electric energy. 7. A passive electronic device, characterized in that it comprises: The wireless receiving module is used to receive the micro-energy signal in the space, perform frequency locking on the micro-energy signal of a specific frequency, and convert the frequency-locked micro-energy signal into electric energy. 8. The passive electronic device according to claim 7, wherein the wireless receiving module comprises: The receiving antenna unit is used to receive micro-energy signals in the space; a radio frequency identification unit electrically connected to the receiving antenna unit, the radio frequency identification unit is used to convert the micro-energy signal into a digital signal, and frequency-lock the digital signal of a specific frequency; and The electric energy control unit is electrically connected with the radio frequency identification unit, and the electric energy control unit is used for receiving the frequency-locked digital signal, gaining and amplifying the frequency-locked digital signal to form electric energy. 9 . The passive electronic device according to claim 8 , wherein the radio frequency identification unit is further configured to perform frequency locking on another specific frequency micro-energy signal when interference is detected. 10 . 10. The passive electronic device according to claim 7, wherein the wireless receiving module is used to convert the frequency-locked micro-energy signal into a micro-current signal; the passive electronic device also includes: The power management module is electrically connected with the wireless receiving module, and the power management module is used to receive the micro-current signal and convert the micro-current signal into a stable output of aggregated power.

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