CN207490623U - Passive bluetooth beacon and transmitting system - Google Patents

Abstract

The utility model discloses a passive Bluetooth beacon, which comprises a wireless electric energy receiving module, a power supply control module and a Bluetooth module; the power control module is connected between the wireless power receiving module and the Bluetooth module, the wireless power receiving module is used for receiving radio and converting the radio into alternating current, converting the alternating current into direct current for directly driving the Bluetooth module and sending the direct current to the power control module; the power control module is used for directly starting the Bluetooth module to send Bluetooth radio frequency signals when receiving the direct current. The utility model discloses passive bluetooth beacon utilizes wireless power transmission technology direct drive bluetooth work, has solved traditional bluetooth beacon and need used reserve power supply unit's problem. The utility model also discloses a passive bluetooth beacon transmitting system.

Description

Passive Bluetooth Beacon and Transmission System

technical field

The utility model relates to the field of technology and communication, in particular to a passive bluetooth beacon and a transmitting system.

Background technique

With the development of science and technology and the demand for services, more and more equipment terminals need positioning services. In indoor equipment positioning services, traditional GPS positioning is too weak to penetrate buildings, and the power consumption is too fast. Can not provide good service, and Bluetooth beacon as an emerging positioning service shows great advantages over other positioning services, the radio waves emitted by Bluetooth have strong penetrating power and can pass through buildings. The advantages of fast speed and long distance of information transmission.

After solving the problems of signal transmission speed and transmission distance, the problem of charging Bluetooth beacons needs to be solved urgently. Traditional wireless charging devices, such as wireless charging LED lights, wireless charging watches, wireless charging mice, and wireless charging keyboards, all use wireless charging transmission technology to charge their internal batteries first, and then the battery charges the device. Provide electrical energy. When using this method to charge the device, firstly the device itself is required to include a battery, which makes the structure of the device complicated and increases the production cost. Secondly, when the service life of the battery is reached or damaged, the battery needs to be replaced, which is very inconvenient for users to use.

Contents of the invention

The purpose of the utility model is to provide a passive bluetooth beacon and a transmitting system, which can solve the problem that the traditional bluetooth beacon needs to use backup power supply equipment, effectively reduce the power consumption of the bluetooth beacon and save costs.

In order to achieve the above purpose, the utility model provides a passive bluetooth beacon, including a wireless power receiving module, a power control module and a bluetooth module;

The power control module is connected between the wireless power receiving module and the Bluetooth module, and the wireless power receiving module is used to receive radio and convert it into alternating current, and convert the alternating current into a power supply for directly driving the bluetooth The direct current of the module is sent to the power control module; the power control module is used to directly start the bluetooth module to send bluetooth radio frequency signals when receiving the direct current.

The passive bluetooth beacon disclosed by the embodiment of the utility model uses the wireless energy receiving module to convert the received radio into alternating current, and directly converts the alternating current into direct current for driving the bluetooth module, which can be started without going through an energy storage unit such as an internal battery. The Bluetooth beacon works and sends the Bluetooth beacon identification information. It solves the problems of high cost and troublesome replacement caused by the need for power supplies such as batteries for traditional Bluetooth beacons, and realizes a true passive Bluetooth beacon, which can effectively reduce the power consumption of Bluetooth beacons and save costs.

As an improvement of the above solution, the wireless power receiving module includes a wireless receiving unit and a rectifying and filtering unit;

The wireless receiving unit converts the received radio into alternating current, and the rectifying and filtering unit is connected to the wireless receiving unit for converting the alternating current into direct current.

As an improvement of the above solution, the wireless receiving unit includes a wireless receiving antenna and a transformer;

The input end of the transformer is connected to the wireless receiving antenna, and the output end of the transformer is connected to the rectifying and filtering unit.

As an improvement of the above solution, the bluetooth module includes a bluetooth beacon control unit and a bluetooth beacon sending unit connected to the bluetooth beacon control unit;

The Bluetooth beacon sending unit sends the Bluetooth radio frequency signal under the action of the Bluetooth beacon control unit.

As an improvement of the above solution, the beacon identification information in the Bluetooth radio frequency signal sent by the Bluetooth beacon sending unit includes the identification code of the Bluetooth beacon identity.

The embodiment of the utility model also discloses a passive bluetooth beacon transmission system, which includes a transmitter for transmitting radio and a passive bluetooth beacon.

As an improvement of the above solution, the transmitter includes an AC power input terminal, a power management module and a wireless power transmission module, the AC power input terminal is connected to the power management module and the wireless power transmission module, and the power management module It is used to control the connection between the AC power input terminal and the wireless power transmission module, and the wireless power transmission module is used to convert the AC power input by the AC power input terminal into radio and transmit it.

The transmitter in the passive bluetooth beacon transmission system disclosed by the embodiment of the utility model uses the wireless energy transmission module to convert the input alternating current into radio and transmit it, and the passive bluetooth beacon receives the radio and converts it into direct current and directly starts the bluetooth The beacon works and sends the Bluetooth beacon identification information. It solves the problems of high cost and troublesome replacement caused by the need for power supplies such as batteries for traditional Bluetooth beacons, and realizes a true passive Bluetooth beacon, which can effectively reduce the power consumption of Bluetooth beacons and save costs.

As an improvement of the above solution, the wireless power transmission module includes a rectification and filtering unit, a high-frequency inverter unit and a wireless transmission unit;

The rectifying and filtering unit is connected between the AC power input terminal and the high-frequency inverter unit, and is used to convert the AC power input from the AC power input terminal into DC power, and the high-frequency inverter unit is connected to the wireless The transmitting unit is used to convert the direct current into high frequency alternating current suitable for the wireless transmitting unit, and the wireless transmitting unit converts the high frequency alternating current into radio and transmits it.

As an improvement of the above solution, the wireless transmitting unit includes a transformer and a wireless transmitting antenna, the input end of the transformer is connected to the high-frequency inverter unit, and the output end of the transformer is connected to the wireless transmitting antenna.

Description of drawings

Fig. 1 is a schematic structural diagram of a passive bluetooth beacon in Embodiment 1 of the present invention;

Fig. 2 is a schematic structural diagram of a wireless energy receiving module in a passive bluetooth beacon in Embodiment 1 of the present invention;

3 is a schematic structural diagram of a wireless receiving unit in a passive bluetooth beacon in Embodiment 1 of the present invention;

Fig. 4 is a schematic structural diagram of a bluetooth module in a passive bluetooth beacon in embodiment 1 of the present invention;

Fig. 5 is a schematic structural diagram of a passive bluetooth beacon transmitting system in embodiment 2 of the present invention;

Fig. 6 is a structural schematic diagram of a transmitter in a passive bluetooth beacon transmission system in Embodiment 2 of the present invention;

7 is a schematic structural diagram of a wireless energy transmitting module in a passive Bluetooth beacon transmitting system in Embodiment 2 of the present invention;

Fig. 8 is a schematic structural diagram of a wireless transmitting unit in a passive Bluetooth beacon transmitting system in Embodiment 2 of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a passive bluetooth beacon (that is, a passive bluetooth electronic label, or a passive bluetooth device), which aims to solve the problem that the traditional electronic label needs to use a backup battery and other active power supply methods to work, and cannot use radio transmission After the problem of directly driving the electronic tag to work.

The passive bluetooth beacon provided by the utility model utilizes the existing long-distance wireless charging technology, utilizes the low power consumption characteristics of low-power bluetooth, and utilizes the existing long-distance radio transmission technology to convert radio waves into electric energy and directly feed the bluetooth signal The standard low-power Bluetooth module is powered, without using other energy storage devices such as batteries, and realizes the function of directly supplying power by long-distance radio transmission and starting the Bluetooth module without power supply. After the Bluetooth module works, it starts to send out Bluetooth broadcast information. The Bluetooth broadcast signal contains the ID code of the Bluetooth beacon identity. The identity of the target, and the specific location of the Bluetooth beacon can be determined through the received signal strength of the Bluetooth beacon, so as to realize the positioning function of the Bluetooth beacon. When the external transmitter that emits radio waves stops working or the passive Bluetooth beacon is far away from the wireless transmitter, the passive Bluetooth beacon stops working, stops sending broadcast information, and the electronic tag recognized by the client disappears. Therefore, the utility model can realize the function of quickly starting and stopping the Bluetooth broadcasting device (Bluetooth beacon) by using the long-distance radio transmission technology, realizes the fast broadcast and fast stop of the Bluetooth beacon, and is suitable for electronic label applications that do not require real-time monitoring. The passive bluetooth beacon provided by the utility model has the advantages of convenient use, long receiving distance, no battery power supply and the like.

Below, the passive bluetooth beacon provided by the present invention will be further described in detail in conjunction with the embodiments.

Referring to Fig. 1, Fig. 1 is a schematic structural diagram of a passive Bluetooth beacon in Embodiment 1 of the present invention. The passive bluetooth beacon includes a wireless power receiving module 1 , a power control module 2 and a bluetooth module 3 .

The power control module 2 is connected between the wireless power receiving module 1 and the bluetooth module 3, the wireless power receiving module 1 is used to receive radio and convert it into alternating current, and convert the alternating current into power for the The direct current charged by the bluetooth module 3 is sent to the power control module 2; the power control module 2 is used to start the bluetooth module 3 when receiving the direct current energy, and the bluetooth module 3 is used to send Bluetooth radio frequency signal with beacon identification information; the wireless energy receiving module 1 utilizes long-distance wireless transmission technology to receive radio, and directly drives the Bluetooth module 3 to send Bluetooth after converting the radio into direct current through the power control module 2 Radio frequency signals do not need to be stored in energy storage devices such as batteries before providing electrical energy.

Referring to FIG. 2 , FIG. 2 is a schematic structural diagram of a wireless power receiving module 1 in a passive Bluetooth beacon in Embodiment 1 of the present invention. The wireless power receiving module 1 includes a wireless receiving unit 11 and a rectifying and filtering unit 12;

The wireless receiving unit 11 converts the received radio into AC power, and the rectifying and filtering unit 12 is connected to the wireless receiving unit 11 for converting the AC power into DC power.

Referring to Fig. 3, Fig. 3 is a schematic structural diagram of the wireless receiving unit 11 in a passive bluetooth beacon in Embodiment 1 of the present invention. The wireless receiving unit 11 includes a wireless receiving antenna 110 and a transformer 111 ; the input end of the transformer 111 is connected to the wireless receiving antenna 110 , and the output end of the transformer 111 is connected to the rectifying and filtering unit 12 .

Referring to FIG. 4 , FIG. 4 is a schematic structural diagram of a Bluetooth module 3 in a passive Bluetooth beacon in Embodiment 1 of the present invention. The bluetooth module 3 includes a bluetooth beacon control unit 31 and a bluetooth beacon sending unit 32 connected to the bluetooth beacon control unit 31;

The Bluetooth beacon sending unit 32 sends the Bluetooth radio frequency signal under the action of the Bluetooth beacon control unit 31 .

Specifically, the beacon identification information in the Bluetooth radio frequency signal sent by the Bluetooth beacon sending unit 32 includes the identification code of the Bluetooth beacon identity.

The passive bluetooth beacon disclosed in the embodiment of the present invention adopts a wireless receiving antenna 110 and a transformer 111 to convert the received radio into alternating current by using magnetic coupling technology and magnetic resonance technology, and the rectifying and filtering unit 12 converts the alternating current into a power supply for the bluetooth beacon control unit 31 charged direct current, the bluetooth beacon sending unit 32 sends the bluetooth radio frequency signal under the action of the bluetooth beacon control unit 31, so that the passive bluetooth beacon can be used to start bluetooth without going through an internal battery or other energy storage unit The beacon works and sends the Bluetooth beacon identification information. It solves the problems of high cost and troublesome replacement caused by the need for power supplies such as batteries for traditional Bluetooth beacons, and realizes a true passive Bluetooth beacon, which can effectively reduce the power consumption of Bluetooth beacons and save costs.

It can be seen that the passive Bluetooth beacon provided by this embodiment uses Bluetooth low power consumption to realize the electronic tag function, and broadcasts the only broadcast information with the Bluetooth device identity through the low power consumption Bluetooth module, thereby realizing the Bluetooth electronic tag. Unique marker function. The biggest advantage of the passive Bluetooth beacon provided by this embodiment is that it uses radio transmission technology to directly drive the working mode of the low-power Bluetooth beacon, without using an external battery for power supply, and realizes the true passive Bluetooth electronic tag function. The passive Bluetooth beacon provided by this embodiment converts the radio into a direct current that directly drives the Bluetooth beacon sending unit inside the Bluetooth beacon, uses direct power supply to drive the Bluetooth beacon to work, and sends out the Bluetooth beacon identification information. Electric energy is provided after storing energy in energy storage devices such as batteries. The Bluetooth radio frequency signal contains the ID code of the Bluetooth beacon identity. After receiving the identification code of the Bluetooth beacon, the client (usually a mobile phone or a Bluetooth gateway device) can identify the identity of the Bluetooth beacon and can pass the received Bluetooth beacon. Signal strength, determine the specific location of the Bluetooth beacon, so as to realize the positioning function of the Bluetooth beacon.

In a specific application, the passive bluetooth beacon provided by this embodiment can be applied to statistical management and positioning of factory equipment. For example, paste a passive Bluetooth beacon on every piece of equipment in the factory. When the external wireless transmitter is not turned on or is not within the effective distance of wireless transmission, the passive Bluetooth beacon cannot work and cannot provide the function of an electronic label; After the external wireless transmitter is turned on and within the effective distance of wireless transmission, the passive Bluetooth beacon on each device obtains power through the wireless receiving unit, starts the internal low-power Bluetooth module, and starts broadcasting the Bluetooth beacon identification information , to enable the electronic label function for each device. At this time, the client (usually a mobile phone or a Bluetooth gateway device) turns on Bluetooth and searches for Bluetooth electronic tags, obtains the identification code of each passive Bluetooth beacon, and sends the Bluetooth broadcast signal through each passive Bluetooth beacon. Intensity and other information to calculate the distance and specific location information of the Bluetooth beacon, so as to obtain the location and distance information of each device corresponding to each passive Bluetooth beacon in the factory. The user system judges the online status of each passive Bluetooth beacon by whether it can receive the identification information of the passive Bluetooth beacon, so as to obtain the status information of each device in the factory.

In addition, the passive bluetooth beacon provided by this embodiment can also be applied to asset management equipment. The equipment asset management system generally does not need to know the status information of each equipment at each moment in real time. Generally, it is only necessary to obtain the status information of each equipment when performing equipment asset statistics. The passive bluetooth beacon provided by this embodiment is very suitable for this application occasion. The passive bluetooth beacon provided by the embodiment is installed on each asset device. When the external transmitter is not working, the passive bluetooth beacon has no power and cannot work normally, so the bluetooth beacon identification information is not sent, and the device Shows offline. When the external transmitter starts and works, the passive Bluetooth beacon obtains power through long-distance radio transmission technology, directly starts the internal low-power Bluetooth module, and sends out the identity information of the Bluetooth beacon. After the identification information of the beacon, update the status information of the device, send the device status information to the server, and update the device status information to the client of the device management system, so as to realize the management of the status of the asset device, and the client can also use the receiver's The signal strength of passive Bluetooth beacons calculates the specific location of each Bluetooth beacon, thereby realizing the positioning function of asset equipment.

Referring to FIG. 5 , FIG. 5 is a schematic structural diagram of a passive Bluetooth beacon transmitting system in Embodiment 2 of the present invention. In this embodiment, the passive Bluetooth beacon transmission system provided includes a transmitter 100 and a passive Bluetooth beacon 200, wherein the passive Bluetooth beacon 200 adopts the passive Bluetooth beacon structure described in Embodiment 1 . The transmitter 100 is used to transmit radio, and the passive bluetooth beacon 200 is used to receive the radio, and directly convert it into direct current that drives the bluetooth module inside the passive bluetooth beacon 200 to drive the passive bluetooth signal. The beacon 200 sends out the identification information of the Bluetooth beacon, and does not need to store energy in an energy storage device such as a battery before providing electric energy.

Referring to FIG. 6 , FIG. 6 is a schematic structural diagram of a transmitter 100 for transmitting radio in a passive Bluetooth beacon transmission system in Embodiment 2 of the present invention. In this embodiment, the provided transmitter 100 includes an AC power input terminal 10 , a power management module 20 and a wireless power transmission module 30 .

The AC power input terminal 10 is connected to the power management module 20 and the wireless power transmission module 30, and the power management module 20 is used to control the switching on/off of the AC power input terminal 10 and the wireless power transmission module 30. The connection of the module 30, the wireless power transmission module 30 is used to convert the AC power input by the AC power input terminal 10 into radio and transmit it.

Referring to FIG. 7 , FIG. 7 is a schematic structural diagram of a wireless power transmitting module 30 in a passive Bluetooth beacon transmitting system in Embodiment 2 of the present invention. The wireless power transmission module 30 includes a rectification and filtering unit 301, a high-frequency inverter unit 302 and a wireless transmission unit 303;

The rectifying and filtering unit 301 is connected between the AC power input terminal 10 and the high-frequency inverter unit 302, and is used to convert the AC power input from the AC power input terminal 10 into DC power, and the high-frequency inverter unit 302 is connected to the wireless transmitting unit 303 for converting the direct current into high frequency alternating current suitable for the wireless transmitting unit 303, and the wireless transmitting unit 303 converts the high frequency alternating current into radio and transmits it.

Referring to FIG. 8 , FIG. 8 is a schematic structural diagram of a wireless transmitting unit 303 in a passive Bluetooth beacon transmitting system in Embodiment 2 of the utility model. The wireless transmitting unit 303 includes a transformer 3031 and a wireless transmitting antenna 3032, the input end of the transformer 3031 is connected to the high frequency inverter unit 302, and the output end of the transformer 3031 is connected to the wireless transmitting antenna 3032.

The transmitter used for transmitting radio in the passive bluetooth beacon transmission system disclosed by the embodiment of the present invention controls whether the AC power input terminal 10 is powered by the wireless power transmission module 30 through the power management module 20, wherein the wireless power transmission module 30 The rectification and filtering unit 301 is connected between the AC power input terminal 10 and the high-frequency inverter unit 302, and is used to convert the AC power input by the AC power input terminal 10 into direct current; the high-frequency inverter unit 302 is connected to the transformer in the wireless transmission unit 303 3031, for converting direct current into high-frequency alternating current suitable for the wireless transmitting unit 303, so that the wireless transmitting unit 303 converts the alternating current into radio and transmits it, and the passive bluetooth beacon receives the radio and converts it into a directly driving bluetooth beacon Working direct current, using direct power supply to drive the bluetooth beacon to send the bluetooth beacon identification information. It solves the problems of high cost and troublesome replacement caused by the need for power supplies such as batteries for traditional Bluetooth beacons, and realizes a true passive Bluetooth beacon, which can effectively reduce the power consumption of Bluetooth beacons and save costs. The transmitter 100 for transmitting radio in the passive bluetooth beacon transmission system disclosed by the embodiment of the present invention can also realize that when the external transmitter 100 for transmitting radio stops working or the passive bluetooth beacon 200 is far away from the wireless transmitter, no The source Bluetooth beacon 200 stops working, stops sending broadcast information, and the electronic tag recognized by the client disappears. Realize the function of using long-distance radio transmission technology to quickly start and stop the Bluetooth broadcasting device (Bluetooth beacon), that is, realize the fast broadcast and fast stop of the Bluetooth beacon, suitable for electronic label applications that do not require real-time monitoring.

The above are only preferred implementations of the present utility model, and it should be noted that the above preferred implementations should not be regarded as limitations on the present utility model. The protection scope of the present utility model should be determined by the scope defined in the claims. For those skilled in the art, without departing from the spirit and scope of the utility model, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as the protection scope of the utility model.

Claims (9)

1. a kind of passive Bluetooth beacon, which is characterized in that including radio energy receiving module, energy supply control module and bluetooth mould Block；

The energy supply control module is connected between the radio energy receiving module and the bluetooth module, the radio energy Receiving module is for receiving radio and be converted into alternating current and be for directly driving the indigo plant by the AC conversion The direct current of tooth module is sent to the energy supply control module；The energy supply control module is used for when receiving the direct current It directly initiates the bluetooth module and sends Bluetooth RF signal.

2. passive Bluetooth beacon as described in claim 1, which is characterized in that the radio energy receiving module includes wirelessly connecing Receive unit and rectification filtering unit；

The radio of reception is converted into alternating current by the radio receiving unit, and the rectification filtering unit connection is described wirelessly to be connect Unit is received to be used to the alternating current being converted to direct current.

3. passive Bluetooth beacon as claimed in claim 2, which is characterized in that the radio receiving unit includes wireless receiving day Line and transformer；The input terminal of the transformer connects the wireless receiving antenna, described in the output terminal connection of the transformer Rectification filtering unit.

4. passive Bluetooth beacon as described in claim 1, which is characterized in that it is single that the bluetooth module includes Bluetooth beacon control The Bluetooth beacon transmitting element of first and described Bluetooth beacon control unit connection；

The Bluetooth beacon transmitting element sends the Bluetooth RF signal under the action of the Bluetooth beacon control unit.

5. passive Bluetooth beacon as claimed in claim 4, which is characterized in that the bluetooth that the Bluetooth beacon transmitting element is sent Beacon identity information in radiofrequency signal includes the identification code of the Bluetooth beacon identification.

6. a kind of passive Bluetooth beacon emission system, which is characterized in that including being used to emit the transmitter of radio and as weighed Profit requires the passive Bluetooth beacon of 1~5 any one of them.

7. passive Bluetooth beacon emission system as claimed in claim 6, which is characterized in that the transmitter includes AC power Input terminal, power management module and radio energy transmitting module, the ac power input end connect the power management module With the radio energy transmitting module, the power management module for control ac power input end on/off with The connection of the radio energy transmitting module, the radio energy transmitting module are used for input the ac power input end AC conversion is radio and launches.

8. passive Bluetooth beacon emission system as claimed in claim 7, which is characterized in that the radio energy transmitting module packet Include rectification filtering unit, high-frequency inversion unit and wireless transmitting unit；

The rectification filtering unit is connected between the ac power input end and the high-frequency inversion unit, for by the friendship The alternating current of stream power input input is converted to direct current, and the high-frequency inversion unit connects the wireless transmitting unit, uses In being the high-frequency alternating current suitable for the wireless transmitting unit by the DC conversion, the wireless transmitting unit is by described in High-frequency alternating current is converted into radio and emits.

9. passive Bluetooth beacon emission system as claimed in claim 8, which is characterized in that the wireless transmitting unit includes becoming Depressor and wireless transmission antenna, the input terminal of the transformer connect the high-frequency inversion unit, the output terminal of the transformer Connect wireless transmission antenna.