CN112968985B - Infrared sensor compensation method and device and electronic equipment - Google Patents

Abstract

The application discloses an infrared sensor compensation method, an infrared sensor compensation device and electronic equipment, which are applied to the electronic equipment provided with an infrared sensor and belong to the technical field of electronic equipment. The infrared sensor compensation method comprises the following steps: acquiring a first infrared value; and compensating the infrared sensor under the condition that the first infrared value is smaller than a preset infrared value. In the application, the first infrared value is acquired, and the infrared sensor is compensated under the condition that the first infrared value is smaller than a preset infrared value. Therefore, the difference between the collected infrared value and the real infrared value can be effectively compensated by compensating the infrared sensor, so that the stability of the working performance of the infrared sensor can be improved.

Description

Infrared sensor compensation method, device and electronic equipment

technical field

The application belongs to the technical field of electronic equipment, and in particular relates to an infrared sensor compensation method, device and electronic equipment.

Background technique

Infrared sensors are more and more widely used in mobile phones, tablets and other electronic devices to realize close-range shielding of the screen, for example, to effectively prevent accidental touch on the screen during a call. However, in some working scenarios, the infrared value collected by the electronic device may be lower than the real infrared value of the infrared sensor, which will affect the performance of the infrared sensor. issues such as proximity.

Contents of the invention

The purpose of the embodiments of the present application is to provide an infrared sensor compensation method, device and electronic equipment, which can solve the problem in the prior art that the infrared sensor’s working performance is affected because the infrared value collected by the electronic equipment is lower than the real infrared value of the infrared sensor. technical problem.

In order to solve the above-mentioned technical problems, the application is implemented as follows:

In the first aspect, an embodiment of the present application provides an infrared sensor compensation method, which is applied to an electronic device equipped with an infrared sensor, and the method includes:

Obtain the first infrared value;

When the first infrared value is less than a preset infrared value, compensation is performed on the infrared sensor.

In the second aspect, the embodiment of the present application provides an infrared sensor compensation device, which is applied to an electronic device equipped with an infrared sensor, and the device includes:

An acquisition module, configured to acquire the first infrared value;

A compensation module, configured to compensate the infrared sensor when the first infrared value is less than a preset infrared value.

In a third aspect, an embodiment of the present application provides an electronic device, the electronic device includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, and the program or instruction is The processor implements the steps of the method described in the first aspect when executed.

In a fourth aspect, an embodiment of the present application provides a readable storage medium, on which a program or an instruction is stored, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented .

In the fifth aspect, the embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions, so as to implement the first aspect the method described.

In the embodiment of the present application, by acquiring the first infrared value, the infrared sensor is compensated when the first infrared value is smaller than the preset infrared value. In this way, by compensating the infrared sensor, the difference between the collected infrared value and the real infrared value can be effectively compensated, thereby improving the stability of the working performance of the infrared sensor.

Description of drawings

Fig. 1 is a schematic flow chart of an infrared sensor compensation method provided by an embodiment of the present application;

Fig. 2 is a schematic diagram of the hole excitation process inside the PN junction of the infrared sensor;

Figure 3 is a comparison chart of the infrared value of the infrared sensor in the normal working scene and the abnormal working scene;

Fig. 4 is a schematic flowchart of another infrared sensor compensation method provided by the embodiment of the present application;

5 is a theoretical model diagram of linear regression between the emission power of the infrared sensor provided in the embodiment of the present application and the ambient infrared value;

Fig. 6 is a schematic diagram of infrared sensor power compensation provided by the embodiment of the present application;

Fig. 7 is a schematic structural diagram of an infrared sensor compensation device provided by an embodiment of the present application;

FIG. 8 is a schematic structural diagram of an electronic device provided by an embodiment of the present application;

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

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein, and that references to "first," "second," etc. distinguish Objects are generally of one type, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the description and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

The infrared sensor compensation method provided in the embodiment of the present application may be executed by an infrared sensor compensation device, or a control module in the infrared sensor compensation device for executing the infrared sensor compensation method.

The infrared sensor compensation device in the embodiment of the present application may be a device, or a component, an integrated circuit, or a chip in a terminal. The device may be a mobile electronic device or a non-mobile electronic device. Exemplarily, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a personal digital assistant (personal digital assistant, PDA), etc., non-mobile electronic equipment can be server, network attached storage (Network Attached Storage, NAS), personal computer (personal computer, PC), television (television, TV), teller machine or self-service machine, etc., this application Examples are not specifically limited.

The infrared sensor compensation device in the embodiment of the present application may be a device with an operating system. The operating system may be an Android operating system, an iOS operating system, or other possible operating systems, which are not specifically limited in this embodiment of the present application.

The infrared sensor compensation method, infrared sensor compensation device, electronic equipment, readable storage medium, and chip provided by the embodiments of the present application will be described in detail below through specific embodiments and application scenarios with reference to the accompanying drawings.

Fig. 1 is a flow chart of an infrared sensor compensation method provided in the embodiment of the present application. As shown in Fig. 1, the method includes the following steps:

Step 101: Obtain the first infrared value;

Step 102: Compensate the infrared sensor when the first infrared value is smaller than a preset infrared value.

Infrared sensors can be applied to electronic devices. For example, infrared sensors can be applied to mobile phones to realize close-range shielding of the screen, so that the mobile phone can effectively prevent accidental touches during a call.

The infrared sensor may include a transmitting end and a receiving end, the transmitting end is an infrared light-emitting device (or "infrared LED"), and the receiving end is a photosensitive sensor (sensor).

As shown in Figure 2, before the infrared LED works, the PN junction at the receiving end is in an unexcited state, and the internal trap has no electrons attached. Therefore, after the infrared LED is turned on, the internal trap of the PN junction needs a certain amount of time. full. In the state of hole saturation, the PN junction can reach the pre-charged state, and the response speed of the photocurrent can reach a stable state.

When the hole inside the PN junction of the receiving end of the infrared sensor is not saturated, the infrared value collected by the electronic device may be lower than the real infrared value of the infrared sensor, which will cause the update of the infrared dynamic reference to be lower than the real infrared value of the infrared sensor . For the user end, there may be problems such as the screen is not bright when the call is far away, or the anti-mistouch distance becomes closer.

It should be noted that due to certain measurement errors, the infrared value collected by the electronic device is generally not completely equal to the real infrared value of the infrared sensor. The infrared value collected by the electronic device involved in the embodiment of this application is equal to the real infrared value of the infrared sensor. value, which can be understood as the absolute value of the difference between the collected infrared value and the real infrared value is smaller than the preset value.

In view of this, in the embodiment of the present application, during the working process of the infrared sensor, by acquiring the first infrared value, the infrared sensor is compensated when the first infrared value is smaller than the preset infrared value. In this way, by compensating the infrared sensor, the difference between the collected infrared value and the real infrared value can be effectively compensated, thereby improving the stability of the working performance of the infrared sensor.

The reasons why the internal holes of the PN junction at the receiving end of the infrared sensor are not saturated mainly include: first, the infrared components in the environment are less, so it takes a certain time for the internal holes of the PN junction to be filled; second, the emission of the infrared sensor The frequency is low, so after the infrared sensor is turned on, it takes a certain amount of time for the holes inside the PN junction to be filled.

In order to better understand the embodiments of the present application, the following concepts are defined, and working scenarios of infrared sensors are divided into normal working scenarios and abnormal working scenarios.

Environmental infrared value: the ADC value corresponding to the infrared component in the environment collected by the receiving end.

Under-compensated infrared value: When there is no infrared component in the environment, the infrared value actually collected by the receiving end. Due to the problem of PN junction pre-charge time, the under-compensated infrared value is lower than the real infrared value of the infrared sensor. The infrared sensor The real infrared value of the infrared LED is also called the real reflected energy of the infrared LED, which is the ADC value corresponding to the actual reflected energy of the infrared LED.

Offset Value: The difference between the true IR value and the underfilled IR value.

Current infrared value: the actual infrared value collected by the receiving end. In normal working scenarios, the current infrared value is equal to the real infrared value; in abnormal working scenarios, the current infrared value is equal to the under-compensated infrared value.

As shown in Figure 3, in a normal working scenario (3-a), the emission frequency of the infrared sensor is 100 ms, or there is an infrared component in the environment, and the current infrared value is equal to the real infrared value. In the abnormal working scenario (3-b), the emission frequency of the infrared sensor is 5s, and there is no infrared component in the environment, and the current infrared value is lower than the real infrared value.

Since the ambient infrared value plays a key role in whether the current infrared value can reflect the real infrared value, the embodiment of the present application may adopt the implementation manner shown in FIG. 4 to determine whether the infrared sensor needs to be compensated. As shown in Figure 4, the infrared sensor compensation method includes the following steps:

Step 101a: Obtain the ambient infrared value;

Step 102a: Compensate the infrared sensor when the ambient infrared value is less than the PN junction saturation response threshold of the infrared sensor.

In this embodiment, it can be judged whether the infrared sensor needs to be compensated according to the ambient infrared value. Specifically, when the ambient infrared value is less than the PN junction saturation response threshold of the infrared sensor, it can be determined that the infrared sensor needs to be compensated, and in this case, the infrared sensor can be compensated. When the ambient infrared value is greater than or equal to the PN junction saturation response threshold of the infrared sensor, it can be determined that the infrared sensor does not need to be compensated. In this case, the infrared sensor may not be compensated.

In this implementation manner, whether the infrared sensor needs to be compensated is judged by the ambient infrared value, which can reasonably measure whether the infrared sensor needs to be compensated, and provides a reasonable infrared sensor compensation mechanism.

In the embodiment of the present application, when it is determined that the infrared sensor needs to be compensated, the following implementation manners may be adopted to compensate the infrared sensor.

As one of the optional implementation manners, the compensating the infrared sensor includes:

According to the ambient infrared value, the transmission power of the infrared sensor is adjusted from a first transmission power to a second transmission power, and the second transmission power is greater than the first transmission power.

In this embodiment, the adjusting the transmission power of the infrared sensor from the first transmission power to the second transmission power includes:

adjusting the emission current of the infrared sensor from the first emission current to a second emission current, the second emission current being greater than the first emission current; or,

adjusting the emission pulse width of the infrared sensor from the first emission pulse width to a second emission pulse width, the second emission pulse width being greater than the first emission pulse width; or,

The emission period of the infrared sensor is adjusted from the first emission period to a second emission period, and the second emission period is shorter than the first emission period.

Further, according to the ambient infrared value, adjusting the transmission power of the infrared sensor from the first transmission power to the second transmission power includes:

Determine the power adjustment value corresponding to the ambient infrared value according to the pre-written configuration file;

According to the power adjustment value, the transmission power of the infrared sensor is adjusted from the first transmission power to the second transmission power.

Among them, the adjustment logic of the infrared sensor transmission power is written in the configuration file, for example, the power adjustment value corresponding to the ambient infrared value. The configuration file can be pre-written into the infrared sensor, and the adjustment logic of the infrared sensor transmission power can be run through a state machine or an MCU (Micro Control Unit, micro control unit) inside the infrared sensor.

Among them, the above configuration file can be generated through the following steps:

controlling the infrared sensor to work in an infrared-free environment with the first transmission frequency and the third transmission power, and acquiring a second infrared value of the infrared sensor;

controlling the infrared sensor to work in a non-infrared environment with the second transmission frequency and the fourth transmission power, and acquiring a third infrared value of the infrared sensor;

When the difference between the second infrared value and the third infrared value is greater than or equal to a preset value, adjust the fourth transmission power until the difference between the second infrared value and the third infrared value The difference is less than the preset value;

performing a linear regression on the adjusted fourth transmit power and the ambient infrared value to generate the configuration file.

As an example, the theoretical model for linear regression between the emission power of the infrared sensor and the ambient infrared value can be seen in FIG. 5 .

In Fig. 5, function A is the curve of the normal working mode of the infrared sensor, function B is the curve of the existing abnormal working mode, and function C is the curve of the working mode of dynamically adjusting the emission power of the infrared sensor according to the ambient infrared value. Among them, point a can be understood as the threshold of the ambient infrared value under the condition of constant transmission power measured in the laboratory environment, point b is the transmission power under abnormal working scenarios, and two points a and b can be obtained through debugging.

In the C function, the configuration gear of the transmission power of the infrared sensor is related to the configuration supported by the actual infrared sensor, and the specific configuration method and the number of gears are not described in this embodiment of the application.

Due to the good consistency of infrared sensors, a set of dynamic power configurations can be fitted and applied to each infrared sensor, and configuration files can also be generated for different monomers.

In this embodiment, adjusting the transmitting power of the infrared sensor can be regarded as making compensation at the hardware end, and it can be regarded as integrating two new photosensitive sensors as the receiving end. As an example, as shown in Figure 6, in normal working scenarios, the emission power of the infrared LED does not need to be adjusted, and the MCU and photosensitive sensor can be integrated into a new photosensitive sensor. The transmission power is adjusted, and the MCU, photosensitive sensor and infrared LED can be integrated into another new photosensitive sensor.

In this embodiment, the emission power of the infrared sensor is dynamically adjusted through the infrared value of the current environment, so that the infrared value collected by the electronic device can be equal to the real infrared value of the infrared sensor, so that the difference between the collected infrared value and the real infrared value can be effectively compensated. value, which can improve the stability of the infrared sensor’s working performance.

As another optional implementation manner, the compensating the infrared sensor includes:

Calculate a compensation value according to the fourth infrared value and the ambient infrared value; the fourth infrared value is an infrared value at which the infrared sensor is turned on;

The sum of the fourth infrared value and the compensation value is determined as the infrared value of the infrared sensor.

In this embodiment, the compensation value is calculated by the infrared value of the current environment, and the compensation for the infrared sensor can be realized at the software algorithm level, which can make the infrared value collected by the electronic device equal to the real infrared value of the infrared sensor, thereby effectively compensating the collected infrared value The difference between the value and the real infrared value can improve the stability of the infrared sensor's working performance.

In the embodiment of the present application, by compensating the infrared sensor, no matter whether the infrared sensor works in the normal working scene shown in FIG. 3 or in the abnormal working scene, the obtained infrared value of the infrared sensor can match the real infrared value.

In order to increase the screen-to-body ratio of electronic devices, under-screen sensor technology, such as under-screen infrared sensor technology, is applied. In the infrared sensor technology under the screen, the infrared emission is generally turned off when the screen is on, and the infrared emission is turned on when the screen is off. In order to reduce the damage of infrared emission to the screen, the emission interval of infrared emission is usually delayed (that is, the frequency of infrared emission is reduced) in the off-screen state. In this way, the PN junction of the receiving end of the infrared sensor needs a certain period of pre-charging to reach a stable working state.

The emission frequency of the infrared sensor can be distinguished according to the usage scenario of the infrared sensor. Among them, in the normal usage scenario (corresponding to the normal working scenario), there is no need to delay the emission interval of the infrared emission. At this time, the emission frequency of the infrared sensor can be, for example, once every 100 milliseconds, and for the usage scenario under the screen (corresponding to the abnormal In the working scene), the emission interval of the infrared emission needs to be delayed in the off-screen state. At this time, the emission frequency of the infrared sensor can be, for example, once every 5 seconds.

In view of this, the embodiments of the present application can be used to solve but not limited to solve the technical problem that the infrared value collected by the electronic device is lower than the real infrared value of the infrared sensor due to the delay of the infrared emission interval of the infrared sensor under the screen, that is to say , the embodiment of the present application can be applied to the above-mentioned abnormal working scenarios, and can also be applied to the above-mentioned normal working scenarios.

It should be noted that various optional implementation manners of the infrared sensor compensation method in the embodiment of the present application may be implemented in combination with each other or implemented separately, which is not limited in this application.

In the embodiment of the present application, by acquiring the first infrared value, the infrared sensor is compensated when the first infrared value is smaller than the preset infrared value. In this way, by compensating the infrared sensor, the difference between the collected infrared value and the real infrared value can be effectively compensated, thereby improving the stability of the working performance of the infrared sensor.

It should be noted that, the infrared sensor compensation method provided in the embodiment of the present application may be executed by an infrared sensor compensation device, or a control module in the infrared sensor compensation device for executing the infrared sensor compensation method. In the embodiment of the present application, the infrared sensor compensation device implemented by the infrared sensor compensation device is taken as an example to describe the infrared sensor compensation device provided in the embodiment of the present application.

FIG. 7 is a flow chart of an infrared sensor compensation device provided in an embodiment of the present application. As shown in FIG. 7, the infrared sensor compensation device 700 can be applied to electronic equipment provided with an infrared sensor. The infrared sensor compensation device 700 includes:

An acquisition module 701, configured to acquire a first infrared value;

The compensation module 702 is configured to compensate the infrared sensor when the first infrared value is less than a preset infrared value.

Optionally, the first infrared value is an ambient infrared value, and the preset infrared value is a PN junction saturation response threshold of the infrared sensor.

Optionally, the compensation module 702 includes:

An adjustment unit, configured to adjust the transmission power of the infrared sensor from a first transmission power to a second transmission power according to the ambient infrared value, and the second transmission power is greater than the first transmission power.

Optionally, the adjustment unit includes:

A determination subunit is configured to determine a power adjustment value corresponding to the ambient infrared value according to a pre-written configuration file;

The adjustment subunit is configured to adjust the transmission power of the infrared sensor from the first transmission power to the second transmission power according to the power adjustment value.

Optionally, the infrared sensor compensation device 700 also includes a generation module, the generation module is used to generate the configuration file, and the generation module is specifically used for:

controlling the infrared sensor to work in an infrared-free environment with the first transmission frequency and the third transmission power, and acquiring a second infrared value of the infrared sensor;

controlling the infrared sensor to work in a non-infrared environment with the second transmission frequency and the fourth transmission power, and acquiring a third infrared value of the infrared sensor;

When the difference between the second infrared value and the third infrared value is greater than or equal to a preset value, adjust the fourth transmission power until the difference between the second infrared value and the third infrared value The difference is less than the preset value;

performing a linear regression on the adjusted fourth transmit power and the ambient infrared value to generate the configuration file.

Optionally, the adjustment unit is specifically used for:

adjusting the emission current of the infrared sensor from the first emission current to a second emission current, the second emission current being greater than the first emission current; or,

adjusting the emission pulse width of the infrared sensor from the first emission pulse width to a second emission pulse width, the second emission pulse width being greater than the first emission pulse width; or,

The emission period of the infrared sensor is adjusted from the first emission period to a second emission period, and the second emission period is shorter than the first emission period.

Optionally, the compensation module 702 includes:

a calculation unit, configured to calculate a compensation value according to a fourth infrared value and the ambient infrared value; the fourth infrared value is an infrared value at which the infrared sensor is turned on;

A determining unit, configured to determine the sum of the fourth infrared value and the compensation value as the infrared value of the infrared sensor.

In the embodiment of the present application, by acquiring the first infrared value, the infrared sensor is compensated when the first infrared value is smaller than the preset infrared value. In this way, by compensating the infrared sensor, the difference between the collected infrared value and the real infrared value can be effectively compensated, thereby improving the stability of the working performance of the infrared sensor.

The infrared sensor compensation device in the embodiment of the present application may be a device, or a component, an integrated circuit, or a chip in a terminal. The device may be a mobile electronic device or a non-mobile electronic device. Exemplarily, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a personal digital assistant (personal digital assistant, PDA), etc., non-mobile electronic equipment can be server, network attached storage (Network Attached Storage, NAS), personal computer (personal computer, PC), television (television, TV), teller machine or self-service machine, etc., this application Examples are not specifically limited.

The infrared sensor compensation device in the embodiment of the present application may be a device with an operating system. The operating system may be an Android (Android) operating system, an iOS operating system, or other possible operating systems, which are not specifically limited in this embodiment of the present application.

The infrared sensor compensating device provided in the embodiment of the present application can realize various processes realized by the method embodiments in FIG. 1 to FIG. 6 , and details are not repeated here to avoid repetition.

Optionally, as shown in FIG. 8 , the embodiment of the present application further provides an electronic device 800, including a processor 801, a memory 802, and programs or instructions stored in the memory 802 and operable on the processor 801, When the program or instruction is executed by the processor 801, the various processes of the above-mentioned infrared sensor compensation method embodiment can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.

It should be noted that the electronic devices in the embodiments of the present application include the above-mentioned mobile electronic devices and non-mobile electronic devices.

FIG. 9 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.

The electronic device 1000 includes, but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010, etc. part.

Those skilled in the art can understand that the electronic device 1000 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor 1010 through the power management system, so that the management of charging, discharging, and function can be realized through the power management system. Consumption management and other functions. The structure of the electronic device shown in FIG. 8 does not constitute a limitation to the electronic device. The electronic device may include more or fewer components than shown in the figure, or combine some components, or arrange different components, and details will not be repeated here. .

Wherein, the processor 1010 is used for:

Obtain the first infrared value;

When the first infrared value is less than a preset infrared value, compensation is performed on the infrared sensor.

Optionally, the first infrared value is an ambient infrared value, and the preset infrared value is a PN junction saturation response threshold of the infrared sensor.

Optionally, the processor 1010 is also used for:

According to the ambient infrared value, the transmission power of the infrared sensor is adjusted from a first transmission power to a second transmission power, and the second transmission power is greater than the first transmission power.

Optionally, the processor 1010 is also used for:

Determine the power adjustment value corresponding to the ambient infrared value according to the pre-written configuration file;

According to the power adjustment value, the transmission power of the infrared sensor is adjusted from the first transmission power to the second transmission power.

Optionally, the processor 1010 is also configured to generate the configuration file, and the configuration file is generated through the following steps:

controlling the infrared sensor to work in an infrared-free environment with the first transmission frequency and the third transmission power, and acquiring a second infrared value of the infrared sensor;

controlling the infrared sensor to work in a non-infrared environment with the second transmission frequency and the fourth transmission power, and acquiring a third infrared value of the infrared sensor;

When the difference between the second infrared value and the third infrared value is greater than or equal to a preset value, adjust the fourth transmission power until the difference between the second infrared value and the third infrared value The difference is less than the preset value;

performing a linear regression on the adjusted fourth transmit power and the ambient infrared value to generate the configuration file.

Optionally, the processor 1010 is also used for:

adjusting the emission current of the infrared sensor from the first emission current to a second emission current, the second emission current being greater than the first emission current; or,

adjusting the emission pulse width of the infrared sensor from the first emission pulse width to a second emission pulse width, the second emission pulse width being greater than the first emission pulse width; or,

The emission period of the infrared sensor is adjusted from the first emission period to a second emission period, and the second emission period is shorter than the first emission period.

Optionally, the processor 1010 is also used for:

Calculate a compensation value according to the fourth infrared value and the ambient infrared value; the fourth infrared value is an infrared value at which the infrared sensor is turned on;

The sum of the fourth infrared value and the compensation value is determined as the infrared value of the infrared sensor.

In the embodiment of the present application, by acquiring the first infrared value, the infrared sensor is compensated when the first infrared value is smaller than the preset infrared value. In this way, by compensating the infrared sensor, the difference between the collected infrared value and the real infrared value can be effectively compensated, thereby improving the stability of the working performance of the infrared sensor.

It should be understood that, in this embodiment of the present application, the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042, and the graphics processor 10041 is used for an image capture device (such as Camera) to process the image data of still pictures or videos. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes a touch panel 10071 and other input devices 10072 . The touch panel 10071 is also called a touch screen. The touch panel 10071 may include two parts, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here. The memory 1009 can be used to store software programs as well as various data, including but not limited to application programs and operating systems. Processor 1010 may integrate an application processor and a modem processor, wherein the application processor mainly processes operating systems, user interfaces, and application programs, and the modem processor mainly processes wireless communications. It can be understood that the foregoing modem processor may not be integrated into the processor 1010 .

The embodiment of the present application also provides a readable storage medium, the readable storage medium stores a program or an instruction, and when the program or instruction is executed by the processor, each process of the above-mentioned infrared sensor compensation method embodiment is realized, and can achieve The same technical effects are not repeated here to avoid repetition.

Wherein, the processor is the processor in the electronic device described in the above embodiments. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.

The embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above-mentioned embodiment of the infrared sensor compensation method Each process, and can achieve the same technical effect, in order to avoid repetition, will not repeat them here.

It should be understood that the chips mentioned in the embodiments of the present application may also be called system-on-chip, system-on-chip, system-on-a-chip, or system-on-a-chip.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the technical solution of the present application can be embodied in the form of a software product in essence or the part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, disk, CD) contains several instructions to enable a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in various embodiments of the present application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Under the inspiration of this application, without departing from the purpose of this application and the scope of protection of the claims, many forms can also be made, all of which belong to the protection of this application.

Claims (14)

1. An infrared sensor compensation method applied to an electronic device provided with an infrared sensor, the method comprising:

acquiring a first infrared value;

compensating the infrared sensor under the condition that the first infrared value is smaller than a preset infrared value;

the first infrared value is an ambient infrared value, and the preset infrared value is a PN junction saturation response threshold of the infrared sensor.

2. The method of claim 1, wherein said compensating said infrared sensor comprises:

and adjusting the transmitting power of the infrared sensor from a first transmitting power to a second transmitting power according to the environmental infrared value, wherein the second transmitting power is larger than the first transmitting power.

3. The method of claim 2, wherein adjusting the transmit power of the infrared sensor from a first transmit power to a second transmit power based on the ambient infrared value comprises:

determining a power adjustment value corresponding to the environmental infrared value according to a pre-written configuration file;

and adjusting the transmitting power of the infrared sensor from the first transmitting power to the second transmitting power according to the power adjusting value.

4. A method according to claim 3, wherein the configuration file is generated by:

controlling the infrared sensor to work in an infrared-free environment at a first transmitting frequency and a third transmitting power, and acquiring a second infrared value of the infrared sensor;

controlling the infrared sensor to work in an infrared-free environment at a second transmitting frequency and a fourth transmitting power, and acquiring a third infrared value of the infrared sensor;

adjusting the fourth transmitting power until the difference between the second infrared value and the third infrared value is smaller than the preset value under the condition that the difference between the second infrared value and the third infrared value is larger than or equal to the preset value;

and linearly regressing the adjusted fourth transmitting power and the environmental infrared value to generate the configuration file.

5. The method of claim 2, wherein said adjusting the transmit power of the infrared sensor from a first transmit power to a second transmit power comprises:

adjusting an emission current of the infrared sensor from a first emission current to a second emission current, the second emission current being greater than the first emission current; or,

adjusting the emission pulse width of the infrared sensor from a first emission pulse width to a second emission pulse width, wherein the second emission pulse width is larger than the first emission pulse width; or,

and adjusting the emission period of the infrared sensor from a first emission period to a second emission period, wherein the second emission period is smaller than the first emission period.

6. The method of claim 1, wherein said compensating said infrared sensor comprises:

calculating a compensation value according to the fourth infrared value and the environmental infrared value; the fourth infrared value is an infrared value of the infrared sensor in an on state;

and determining the sum of the fourth infrared value and the compensation value as the infrared value of the infrared sensor.

7. An infrared sensor compensation apparatus applied to an electronic device provided with an infrared sensor, characterized in that the apparatus comprises:

the acquisition module is used for acquiring a first infrared value;

the compensation module is used for compensating the infrared sensor under the condition that the first infrared value is smaller than a preset infrared value;

the first infrared value is an ambient infrared value, and the preset infrared value is a PN junction saturation response threshold of the infrared sensor.

8. The apparatus of claim 7, wherein the compensation module comprises:

and the adjusting unit is used for adjusting the transmitting power of the infrared sensor from the first transmitting power to the second transmitting power according to the environmental infrared value, and the second transmitting power is larger than the first transmitting power.

9. The apparatus according to claim 8, wherein the adjusting unit comprises:

the determining subunit is used for determining a power adjustment value corresponding to the environmental infrared value according to a pre-written configuration file;

and the adjusting subunit is used for adjusting the transmitting power of the infrared sensor from the first transmitting power to the second transmitting power according to the power adjusting value.

10. The apparatus of claim 9, further comprising a generation module configured to generate the configuration file, the generation module being specifically configured to:

controlling the infrared sensor to work in an infrared-free environment at a first transmitting frequency and a third transmitting power, and acquiring a second infrared value of the infrared sensor;

controlling the infrared sensor to work in an infrared-free environment at a second transmitting frequency and a fourth transmitting power, and acquiring a third infrared value of the infrared sensor;

adjusting the fourth transmitting power until the difference between the second infrared value and the third infrared value is smaller than the preset value under the condition that the difference between the second infrared value and the third infrared value is larger than or equal to the preset value;

and linearly regressing the adjusted fourth transmitting power and the environmental infrared value to generate the configuration file.

11. The device according to claim 8, wherein the adjustment unit is specifically configured to:

adjusting an emission current of the infrared sensor from a first emission current to a second emission current, the second emission current being greater than the first emission current; or,

adjusting the emission pulse width of the infrared sensor from a first emission pulse width to a second emission pulse width, wherein the second emission pulse width is larger than the first emission pulse width; or,

and adjusting the emission period of the infrared sensor from a first emission period to a second emission period, wherein the second emission period is smaller than the first emission period.

12. The apparatus of claim 7, wherein the compensation module comprises:

the calculating unit is used for calculating a compensation value according to the fourth infrared value and the environment infrared value; the fourth infrared value is an infrared value of the infrared sensor in an on state;

and a determining unit for determining the sum of the fourth infrared value and the compensation value as the infrared value of the infrared sensor.

13. An electronic device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the method of compensating for an infrared sensor as claimed in any one of claims 1 to 6.

14. A readable storage medium, characterized in that it has stored thereon a program or instructions which, when executed by a processor, implement the steps of the infrared sensor compensation method of any one of claims 1 to 6.

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