WO2020238443A1

WO2020238443A1 - Light source control method and terminal

Info

Publication number: WO2020238443A1
Application number: PCT/CN2020/084664
Authority: WO
Inventors: 黄攀
Original assignee: 维沃移动通信有限公司
Priority date: 2019-05-31
Filing date: 2020-04-14
Publication date: 2020-12-03
Also published as: CN110213411B; CN110213411A

Abstract

Provided are a terminal and a light source control method. The terminal comprises: a base; a printed circuit board; an elastic member respectively connected to the base and the printed circuit board; a light source provided at the printed circuit board; a housing; and a light shade provided at the housing, a gap being arranged between the light shade and the light source. The printed circuit board is provided with a first electromagnet, and the housing is correspondingly provided with a second electromagnet or a first magnetic material. Alternatively, the housing is provided with a third electromagnet, and the printed circuit board is correspondingly provided with a fourth electromagnet or a second magnetic material.

Description

Light source control method and terminal

Cross references to related applications

This application claims the priority of Chinese Patent Application No. 201910470086.7 filed in China on May 31, 2019, the entire content of which is incorporated herein by reference.

Technical field

The embodiments of the present disclosure relate to the field of communication technologies, and in particular, to a light source control method and terminal.

Background technique

Mobile phone flash assisted night photography and flashlight are commonly used functions, the gap between flash and flash lampshade will obviously affect the optical performance of the flash.

Summary of the invention

The embodiments of the present disclosure provide a light source control method and terminal to solve the problem that the mobile phone in the related art cannot meet the different requirements for the gap between the flash lamp and the flash lamp shade in different scenarios.

In order to solve the above technical problems, the present disclosure is implemented as follows:

In the first aspect, an embodiment of the present disclosure provides a terminal, including:

Base

Printed circuit board;

Connecting the base and the elastic element of the printed circuit board respectively;

A light source arranged on the printed circuit board;

case;

A lamp shade arranged on the housing, with a gap between the lamp shade and the light source;

A first electromagnet is provided on the printed circuit board, and a second electromagnet or a first magnetic material is correspondingly provided on the housing; or a third electromagnet is provided on the housing, and the printed circuit board The circuit board is correspondingly provided with a fourth electromagnet or a second magnetic material.

In the second aspect, the embodiments of the present disclosure also provide a light source control method, which is applied to the terminal as described in the foregoing embodiment, including:

Determine whether the terminal meets a preset condition;

If the preset condition is met, energize the target electromagnet, or stop energizing the target electromagnet, or adjust the magnitude and/or direction of the current applied to the target electromagnet;

Wherein, the target electromagnet is at least one of the first electromagnet, the second electromagnet, the third electromagnet, and the fourth electromagnet.

In a third aspect, embodiments of the present disclosure also provide a terminal, where the terminal is the terminal described in the foregoing embodiment, and further includes:

The judgment module is used to judge whether the terminal meets a preset condition;

The control module is configured to energize the target electromagnet when the preset conditions are met, or stop energizing the target electromagnet, or adjust the magnitude and/or direction of the current applied to the target electromagnet;

In a fourth aspect, the embodiments of the present disclosure also provide a terminal, including a processor, a memory, and a program stored on the memory and capable of running on the processor. When the program is executed by the processor, the implementation is as follows: The steps of the light source control method described in the above embodiment.

In a fifth aspect, embodiments of the present disclosure also provide a computer-readable storage medium, wherein a program is stored on the computer-readable storage medium, and when the program is executed by a processor, the light source control as described in the above-mentioned embodiment is realized. Method steps.

In the above-mentioned solution of the embodiment of the present disclosure, the base and the elastic element of the printed circuit board are respectively connected; the light source arranged on the printed circuit board; the lamp shade arranged on the housing, with a gap between the lamp shade and the light source; The circuit board is provided with a first electromagnet, and the casing is provided with a second electromagnet or a first magnet material; or, the casing is provided with a third electromagnet, and the printed circuit board is provided with a fourth electromagnet. Iron or a second magnetic material, in this way, by controlling the interaction force between the electromagnets or between the electromagnet and the magnetic material, the purpose of adjusting the distance between the lampshade and the light source is achieved, so as to meet the requirements of the light source and the lampshade in different scenarios. Different requirements for clearance.

Description of the drawings

FIG. 1 is one of the schematic diagrams of the hardware structure of a terminal provided by an embodiment of the disclosure;

2 is a schematic flowchart of a light source control method provided by an embodiment of the disclosure;

3 is a schematic structural diagram of a terminal provided by an embodiment of the disclosure;

FIG. 4 is the second schematic diagram of the hardware structure of the terminal provided by the embodiment of the disclosure.

Detailed ways

The technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present disclosure.

Figure 1 is a schematic diagram of the stacked structure of a mobile phone flash in the related art. The gap between the flash and the flash cover has strict design requirements, which is generally at least greater than 0.20mm but not more than 0.50mm.

If the design gap is less than 0.20mm, the gap will actually be smaller due to material height tolerances and assembly tolerances. When the mobile phone is dropped, the flashlight may collide with the lampshade and cause damage to the flashlight.

If the design gap exceeds 0.50mm, the design of the lampshade will be very difficult, and the range that the flash can reach will become smaller. Material tolerances and assembly tolerances cause the gap between the flash and the lampshade to be very unstable, which seriously affects the consistency of the camera calibration of the mobile phone flash .

In addition, when the user uses the flash to take a long shot, he hopes that the light can reach a longer distance, and the size of the area that the light can illuminate is not high. At this time, it is hoped that the gap between the flash and the flash lamp shade is as large as possible. When the user uses the flash to take close-up shots, he hopes that the area that the light can illuminate is as large as possible. At this time, he hopes that the gap between the flash and the lampshade of the flash is as small as possible. How to meet the different requirements for the gap between the flash lamp and the flash lamp shade in different scenarios has become an urgent problem to be solved.

As shown in FIG. 1, it is a schematic structural diagram of a terminal provided by an embodiment of the present disclosure. The terminal includes: a base 1; a printed circuit board 2; an elastic element 3 respectively connected to the base 1 and the printed circuit board 2; a light source 4 arranged on the printed circuit board 2; a housing; There is a gap between the lampshade 5 and the light source 4; the printed circuit board 2 is provided with a first electromagnet, and the casing is provided with a second electromagnet or a first magnetic material correspondingly; or, the casing is provided with The third electromagnet 6 is correspondingly provided with a fourth electromagnet or a second magnetic material 7 on the printed circuit board 2.

Optionally, the orthographic projection area of the light source 4 on the printed circuit board 2 is located in the orthographic projection area of the lampshade 5 on the printed circuit board 2.

In other words, the orthographic projection area of the lampshade 5 on the printed circuit board 2 is greater than or equal to the orthographic projection area of the light source 4 on the printed circuit board 2.

It should be noted that the orthographic projection area of the light source 4 on the printed circuit board 2 is located in the orthographic projection area of the lampshade 5 on the printed circuit board 2. In this way, when the terminal uses the light source 4 to take pictures, the light emitted from the light source 4 Most of the light in the light can be emitted through the lampshade 5, thereby ensuring effective light supplementation to the shooting object and improving the quality of the photo.

Optionally, the light source 4 is a flash lamp.

Optionally, the light source 4 is fixed to the printed circuit board 2 by welding.

Optionally, the elastic element 3 is a spring module.

It should be noted that an electromagnet is a device that generates electromagnetism when energized. Wind a conductive winding that matches its power on the outside of the iron core. The strength of the electromagnet's magnetic field can be controlled by the size of the current. The polarity or direction of the electromagnet's magnetic field can be controlled by the direction of the current. Through the on-off control of the current.

In this embodiment, by controlling the magnitude and direction of the electric current of the electromagnet, an interaction force is generated between the electromagnets or between the electromagnet and the magnetic material, thereby achieving the purpose of adjusting the distance between the lampshade 5 and the light source 4. Meet the different requirements for the gap between the light source 4 and the lampshade 5 in different scenarios.

Specifically, the force includes attraction or repulsion. Here, by controlling the direction of the current of the electromagnets (here specifically referring to the first electromagnet and/or the second electromagnet, or the third electromagnet and/or the fourth electromagnet), the electromagnets or the electromagnetic When an attractive force is generated between the iron and the magnetic material, the elastic element 3 deforms under the action of the attractive force, the elastic element 3 is stretched, and the distance between the base 1 and the printed circuit board 2 becomes larger, and the light source 4 and The printed circuit board 2 is also close to the lampshade 5 on the housing, that is, the distance between the light source 4 and the lampshade 5 is reduced, and then the size of the attractive force is adjusted by controlling the current of the electromagnet to achieve The purpose of adjusting the distance between the lampshade 5 and the light source 4.

Also, by controlling the direction of the current of the electromagnets (specifically, the first electromagnet and/or the second electromagnet, or the third electromagnet and/or the fourth electromagnet), the electromagnets When a repulsive force is generated between the electromagnet and the magnetic material, the elastic element 3 is deformed under the action of the repulsive force, the elastic element 3 is compressed, the distance between the base 1 and the printed circuit board 2 becomes smaller, and the light source 4 and The printed circuit board 2 is also far away from the lampshade 5 on the housing, that is to say, the distance between the light source 4 and the lampshade 5 is increased, and then the repulsive force can be adjusted by controlling the current of the electromagnet to achieve The purpose of adjusting the distance between the lampshade 5 and the light source 4.

Optionally, as shown in FIG. 1, the casing includes: a battery cover 8 and a middle frame body 9 at least partially connected to the battery cover 8; the lamp cover 5 is fixed to the battery cover 8; when the printed circuit board 2 is provided with a first electromagnetic When iron, the second electromagnet or the first magnetic material is fixed to the middle frame body 9. When the printed circuit board 2 is provided with the fourth electromagnet or the second magnetic material 7, the third electromagnet 6 is fixed to the middle frame body 9.

Here, a first electromagnet is provided on the printed circuit board 2, a second electromagnet or a first magnetic material is fixed on the middle frame body 9, or a fourth electromagnet or a second magnetic material is provided on the printed circuit board 2. 7. The third electromagnet 6 is fixed on the middle frame body 9. Both of the above two implementations use the electromagnet to generate magnetic force after being energized, and the size and direction of the electromagnet are controllable. The interaction force between the iron and the magnetic material achieves the purpose of adjusting the distance between the printed circuit board 2 and the middle frame body 9, that is, the distance between the lampshade 5 and the light source 4, to meet the requirements of the light source 4 and the light source 4 in different scenarios. Different requirements for the gap of the lampshade 5.

As an optional implementation, the lampshade 5 includes: a protruding portion 51 and a fixing portion 52; the battery cover 8 is provided with a through hole 10; wherein the protruding portion 51 is located in the through hole 10; the fixing portion 52 is fixed to the battery cover The first surface of 8, the first surface is the surface of the battery cover 8 close to the light source 4; when the printed circuit board 2 is provided with a first electromagnet, one end of the second electromagnet or one end of the first magnetic material abuts and fixes Section 52; when the fourth electromagnet or the second magnetic material 7 is provided on the printed circuit board 2, one end of the third electromagnet 6 abuts the fixed portion 52.

Here, the lampshade 5 includes: a protrusion 51 and a fixing part 52; the battery cover 8 is provided with a through hole 10; wherein the protrusion 51 is located in the through hole 10; the fixing part 52 is fixed on the first surface of the battery cover 8. One surface is the surface of the battery cover 8 close to the light source 4. This design can reduce the thickness of the whole machine; and one end of the second electromagnet or one end of the first magnetic material abuts the fixing part 52, or the third electromagnet One end of 6 abuts against the fixing portion 52, which can support the lampshade 5, and achieve a further strengthening effect on the fixing of the lampshade 5.

Here, as shown in FIG. 1, the cross section of the structure of the lampshade 5 is in an inverted T shape.

Specifically, the edge of the fixing portion 52 is fixedly connected to the first surface of the battery cover 8.

Optionally, the edge of the fixing portion 52 is adhered to the first surface of the battery cover 8 through the double-sided tape 11.

Here, specifically, when the first electromagnet is provided on the printed circuit board 2, one end of the second electromagnet or one end of the first magnetic material abuts against the edge of the fixing portion 52; when the printed circuit board 2 is provided with In the case of the fourth electromagnet or the second magnetic material 7, one end of the third electromagnet 6 abuts against the edge of the fixed portion 52.

When the light source 4 approaches the lampshade 5, in order not to affect the reduction of the distance between the light source 4 and the lampshade 5, optionally, when the printed circuit board 2 is provided with a first electromagnet, the housing is provided with In the case of the second electromagnet or the first magnetic material, the thickness of the first electromagnet is less than or equal to the height of the light source 4; when the housing is provided with the third electromagnet 6, the printed circuit board 2 is correspondingly provided with the fourth electromagnet Or in the case of the second magnetic material 7, the thickness of the fourth electromagnet is less than or equal to the height of the light source 4, or the thickness of the second magnetic material 7 is less than or equal to the height of the light source 4.

It should be noted that when the current of the electromagnet is zero, the distance between the electromagnets or the distance between the electromagnet and the magnetic material is greater than or equal to the distance between the light source 4 and the lampshade 5.

In an optional implementation manner, two first electromagnets are provided on the printed circuit board 2, and two second electromagnets or two first magnetic materials are correspondingly provided on the housing, or the housing is provided with There are two third electromagnets 6, and the printed circuit board 2 is correspondingly provided with two fourth electromagnets or two second magnetic materials 7.

Specifically, as shown in FIG. 1, two third electromagnets 6 are provided on the housing, and two second magnetic materials 7 are correspondingly provided on the printed circuit board 2.

Further, as shown in FIG. 1, one end of the two third electromagnets 6 abuts against the edge of the fixing portion 52 respectively.

It should be noted that the ends of the two third electromagnets 6 respectively abut against the edge of the fixing portion 52 and can play a role of supporting the lampshade 5.

Here, when two third electromagnets 6 are provided on the housing, optionally, the thickness of the two third electromagnets 6 is equal; the printed circuit board 2 is correspondingly provided with two second magnetic materials 7, optionally , The thickness of the two second magnetic materials 7 is equal and both are less than or equal to the height of the light source 5.

It should be noted that, optionally, in the case where the currents of the two third electromagnets 6 are both 0, the distance between the oppositely disposed third electromagnet 6 and the second magnetic material 7 is greater than or equal to the light source The distance between 4 and the lampshade 5.

Optionally, the first magnetic material is a magnet; the second magnetic material 7 is a magnet.

The terminal of the embodiment of the present disclosure connects the base and the elastic element of the printed circuit board respectively; the light source arranged on the printed circuit board; the lamp shade arranged on the housing, with a gap between the lamp shade and the light source; the printed circuit A first electromagnet is provided on the board, and a second electromagnet or a first magnet material is correspondingly provided on the housing; or, a third electromagnet is provided on the housing, and a fourth electromagnet or correspondingly provided on the printed circuit board. The second magnetic material, in this way, by controlling the interaction force between the electromagnets or between the electromagnet and the magnetic material, the purpose of adjusting the distance between the lampshade and the light source is achieved, so as to satisfy the gap between the light source and the lampshade in different scenarios. Different needs.

Based on the foregoing terminal, embodiments of the present disclosure also provide a light source control method applied to the foregoing terminal.

As shown in FIG. 2, it is a schematic flowchart of a light source control method provided by an embodiment of the present disclosure. The method includes:

Step 201: Determine whether the terminal meets a preset condition;

Step 202, if the preset condition is met, energize the target electromagnet, or stop energizing the target electromagnet, or adjust the magnitude and/or direction of the current applied to the target electromagnet; wherein The target electromagnet is at least one of the first electromagnet, the second electromagnet, the third electromagnet, and the fourth electromagnet.

Here, optionally, if the preset condition is not met, the process ends.

It should be noted that the execution subject of this method may be the controller in the aforementioned terminal.

Here, when the terminal meets a preset condition, the target electromagnet is energized, or the energization of the target electromagnet is stopped, or the current applied to the target electromagnet is adjusted and/or Direction, so as to achieve the purpose of adjusting the distance between the lampshade and the light source, so as to meet different requirements for the gap between the light source and the lampshade in different scenarios.

In order to avoid that the distance between the lampshade and the light source is too small, when the terminal is in the falling state, the light source is collided by the lampshade to protect the light source and prevent the light source from being damaged. As an optional implementation, the terminal meets preset conditions , Which can specifically include:

The gravitational acceleration of the terminal is greater than the first preset threshold, and the distance between the lampshade and the light source is less than the first preset distance.

That is, the terminal is in a dropped state, and the distance between the lampshade and the light source is less than the first preset distance value.

When the terminal satisfies the foregoing preset conditions, the magnitude and/or direction of the current applied to the target electromagnet is adjusted to increase the distance between the lampshade and the light source to the first target value.

Here, the target electromagnet is mainly determined by the actual hardware structure of the terminal.

Here, the terminal may determine whether the gravitational acceleration of the terminal is greater than the first preset threshold through the acceleration sensor, that is, determine whether the terminal is in a falling state through the acceleration sensor.

Also, a distance sensor can be arranged around the lampshade or the light source to know the distance between the lampshade and the light source.

In the terminal design, the gap between the light source and the lampshade is unstable due to the material height tolerance and assembly tolerance, which will affect the consistency of the terminal's camera calibration through the light source. In order to ensure the terminal's camera calibration consistency through the light source, it is an optional implementation In a manner, the terminal meets a preset condition, which may specifically include:

The ratio between the brightness value of the four corner areas and the brightness value of the central area in the photographing area corresponding to the light source is greater than the second preset threshold; or,

The ratio between the brightness value of the four corner areas and the brightness value of the central area in the photographing area corresponding to the light source is smaller than the third preset threshold.

It should be noted that the ratio between the brightness value of the four corners of the photographing area corresponding to the light source and the brightness value of the central area is greater than the second preset threshold, indicating that the calibration found that the light source (here, the flash) is too uniform to take pictures of the four corners. The illuminance of the spot is obviously low, that is, the distance between the light source and the lampshade is too small. In order to ensure the consistency of the terminal's camera calibration through the light source, the terminal adjusts the current applied to the target electromagnet when the preset conditions are met. The size and/or direction increase the distance between the lampshade and the light source to a second target value.

Specifically, as shown in FIG. 1, when the terminal satisfies the preset condition, the size and/or direction of the current applied to the two third electromagnets 6 is adjusted to increase the distance between the lampshade and the light source. To the second target value.

In addition, the ratio between the brightness value of the four corners of the photo area corresponding to the light source and the brightness value of the center area is less than the third preset threshold, indicating that the calibration found that the center of the photo spot of the light source (here, flash) is overexposed and the four corners are too dark. That is to say, the distance between the light source and the lampshade is too large. In order to ensure the consistency of the terminal's camera calibration through the light source, the terminal adjusts the magnitude and/or direction of the current applied to the target electromagnet when the preset conditions are met. Reduce the distance between the lampshade and the light source to a third target value.

Specifically, as shown in FIG. 1, when the terminal satisfies the preset condition, the size and/or direction of the current applied to the two third electromagnets 6 is adjusted to reduce the distance between the lampshade and the light source. To the third target value.

In addition, when the user uses the flash to take a long shot, he hopes that the light can reach farther, and the size of the area that the light can illuminate is not high. At this time, it is hoped that the gap between the flash and the flash lamp shade is as large as possible; and the user is using When the flash is taking close-up shots, the larger the area that the light can illuminate, the better. At this time, it is hoped that the gap between the flash and the lampshade of the flash is as small as possible. In order to meet the needs of different shooting scenes, as an optional implementation, the terminal Meet the preset conditions, which can specifically include:

When taking a picture with the light source of the terminal, the distance between the photographed object in the finder frame and the terminal is greater than the second preset distance value, and the distance between the lampshade and the light source is less than the third preset distance value; or,

When taking pictures through the light source of the terminal, the distance between the photographed object in the framing frame and the terminal is less than the fourth preset distance value, and the distance between the lampshade and the light source is greater than the fifth preset distance value.

It should be noted that when taking a photo with the light source of the terminal, the distance between the subject in the viewing frame and the terminal is greater than the second preset distance value, indicating that the user is using the flash to take a long-range photo, and at this time, the lampshade The distance to the light source is less than the third preset distance value, that is, the distance the light hits is not far enough. In order to meet the user's photographing needs, the terminal adjusts the current applied to the target electromagnet when the above preset conditions are met. Size and/or direction, increasing the distance between the lampshade and the light source to a fourth target value;

In addition, when taking pictures with the light source of the terminal, the distance between the subject in the viewing frame and the terminal is less than the fourth preset distance value, indicating that the user is using the flash to take close-up pictures, and at this time, the lampshade and the light source The distance between the two is greater than the fifth preset distance value, that is, the area illuminated by the light is not large enough. In order to meet the user’s photographing needs, the terminal adjusts the magnitude and magnitude of the current applied to the target electromagnet when the above preset conditions are met. /Or direction, reduce the distance between the lampshade and the light source to the fifth target value.

The light source control method provided by the embodiment of the present disclosure is based on the elastic elements respectively connected to the base and the printed circuit board; the light source arranged on the printed circuit board; the lamp shade arranged on the housing, with a gap between the lamp shade and the light source; A first electromagnet is provided on the printed circuit board, and a second electromagnet or a first magnet material is correspondingly provided on the housing; or, a third electromagnet is provided on the housing, and a fourth electromagnet is provided on the printed circuit board. The electromagnet or the second magnetic material, the terminal having the above structure, determines whether the terminal meets the preset condition; if the preset condition is satisfied, the target electromagnet is energized, or the target electromagnet is stopped, Or, adjust the magnitude and/or direction of the current applied to the target electromagnet; wherein the target electromagnet is the first electromagnet, the second electromagnet, the third electromagnet, and the At least one of the fourth electromagnets, in this way, can meet different requirements for the gap between the light source and the lampshade in different scenarios.

Based on the above method, an embodiment of the present disclosure also provides a terminal for implementing the above method.

As shown in FIG. 3, it is a schematic structural diagram of a terminal provided by an embodiment of the present disclosure. The embodiment of the present disclosure provides a terminal 300. The terminal 300 is the terminal described in the foregoing embodiment. The terminal 300 may further include:

The judgment module 301 is used to judge whether the terminal meets a preset condition;

The control module 302 is configured to energize the target electromagnet when the preset conditions are met, or stop energizing the target electromagnet, or adjust the magnitude and/or direction of the current applied to the target electromagnet ；

Optionally, the terminal meeting the preset condition specifically includes:

When taking pictures through the light source of the terminal, the distance between the photographed object in the viewing frame and the terminal is greater than the second preset distance value, and the distance between the lampshade and the light source is less than the third preset distance value; or,

The terminal provided in the embodiment of the present disclosure can implement the various processes implemented by the terminal in the method embodiment of FIG. 2. To avoid repetition, details are not described herein again.

The terminal provided by the embodiment of the present disclosure judges whether the terminal meets the preset condition through the judgment module; the control module energizes the target electromagnet when the preset condition is satisfied, or stops energizing the target electromagnet, or Adjust the magnitude and/or direction of the current applied to the target electromagnet; wherein, the target electromagnet is the first electromagnet, the second electromagnet, the third electromagnet and the first electromagnet At least one of the four electromagnets, in this way, can meet different requirements for the gap between the light source and the lampshade in different scenarios.

FIG. 4 is a schematic diagram of the hardware structure of a terminal that is disclosed to implement various embodiments of the present disclosure.

The terminal 400 includes but is not limited to: radio frequency unit 401, network module 402, audio output unit 403, input unit 404, sensor 405, display unit 406, user input unit 407, interface unit 408, memory 409, processor 410, And power supply 411 and other components. Those skilled in the art can understand that the structure of the terminal device shown in FIG. 4 does not constitute a limitation on the terminal device, and the terminal device may include more or fewer components than shown in the figure, or a combination of certain components, or different components Layout. In the embodiments of the present disclosure, terminal devices include, but are not limited to, mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-mounted terminal devices, wearable devices, and pedometers.

Wherein, the processor 410 is used to determine whether the terminal meets a preset condition; when the preset condition is satisfied, energize the target electromagnet, or stop energizing the target electromagnet, or adjust the The magnitude and/or direction of the current on the target electromagnet; wherein the target electromagnet is one of the first electromagnet, the second electromagnet, the third electromagnet, and the fourth electromagnet At least one.

In the embodiment of the present disclosure, it is determined whether the terminal meets a preset condition; if the preset condition is satisfied, the target electromagnet is energized, or the target electromagnet is stopped, or the adjustment is applied to the The magnitude and/or direction of the current on the target electromagnet; wherein the target electromagnet is one of the first electromagnet, the second electromagnet, the third electromagnet, and the fourth electromagnet At least one of them, in this way, can meet different requirements for the gap between the light source and the lampshade in different scenarios.

It should be understood that, in the embodiment of the present disclosure, the radio frequency unit 401 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, the downlink data from the base station is received and processed by the processor 410; in addition, Uplink data is sent to the base station. Generally, the radio frequency unit 401 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 401 can also communicate with the network and other devices through a wireless communication system.

The terminal device provides users with wireless broadband Internet access through the network module 402, such as helping users to send and receive emails, browse web pages, and access streaming media.

The audio output unit 403 can convert the audio data received by the radio frequency unit 401 or the network module 402 or stored in the memory 409 into audio signals and output them as sounds. Moreover, the audio output unit 403 may also provide audio output related to a specific function performed by the terminal 400 (for example, call signal reception sound, message reception sound, etc.). The audio output unit 403 includes a speaker, a buzzer, a receiver, and the like.

The input unit 404 is used to receive audio or video signals. The input unit 404 may include a graphics processing unit (GPU) 4041 and a microphone 4042. The graphics processor 4041 is configured to monitor images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed. The processed image frame can be displayed on the display unit 406. The image frame processed by the graphics processor 4041 may be stored in the memory 409 (or other storage medium) or sent via the radio frequency unit 401 or the network module 402. The microphone 4042 can receive sound and can process such sound into audio data. The processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 401 in the case of a telephone call mode for output.

The terminal 400 also includes at least one sensor 405, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor. The ambient light sensor can adjust the brightness of the display panel 4061 according to the brightness of the ambient light. The proximity sensor can close the display panel 4061 and/or when the terminal 400 is moved to the ear. Or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the posture of the terminal device (such as horizontal and vertical screen switching, related games) , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 405 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., will not be repeated here.

The display unit 406 is used to display information input by the user or information provided to the user. The display unit 406 may include a display panel 4061, and the display panel 4061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.

The user input unit 407 may be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the terminal device. Specifically, the user input unit 407 includes a touch panel 4071 and other input devices 4072. The touch panel 4071, also called a touch screen, can collect user touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 4071 or near the touch panel 4071. operating). The touch panel 4071 may include two parts: a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 410, the command sent by the processor 410 is received and executed. In addition, the touch panel 4071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 4071, the user input unit 407 may also include other input devices 4072. Specifically, other input devices 4072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.

Further, the touch panel 4071 can cover the display panel 4061. When the touch panel 4071 detects a touch operation on or near it, it transmits it to the processor 410 to determine the type of the touch event. The type of event provides corresponding visual output on the display panel 4061. Although in FIG. 4, the touch panel 4071 and the display panel 4061 are used as two independent components to implement the input and output functions of the terminal device, in some embodiments, the touch panel 4071 and the display panel 4061 can be integrated The implementation of the input and output functions of the terminal device is not specifically limited here.

The interface unit 408 is an interface for connecting an external device with the terminal 400. For example, the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc. The interface unit 408 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 400 or may be used to communicate between the terminal 400 and the external device. Transfer data between.

The memory 409 can be used to store software programs and various data. The memory 409 may mainly include a storage program area and a storage data area. The storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data (such as audio data, phone book, etc.) created by the use of mobile phones. In addition, the memory 409 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.

The processor 410 is the control center of the terminal device. It uses various interfaces and lines to connect the various parts of the entire terminal device, runs or executes the software programs and/or modules stored in the memory 409, and calls the data stored in the memory 409 , Perform various functions of the terminal equipment and process data, so as to monitor the terminal equipment as a whole. The processor 410 may include one or more processing units; optionally, the processor 410 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs, etc. The adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 410.

The terminal 400 may also include a power source 411 (such as a battery) for supplying power to various components. Optionally, the power source 411 may be logically connected to the processor 410 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.

In addition, the terminal 400 includes some functional modules not shown, which will not be repeated here.

Optionally, an embodiment of the present disclosure also provides a terminal, including a processor 410, a memory 409, a program stored in the memory 409 and running on the processor 410, and the program is executed by the processor 410 to realize the above light source control Each process of the method embodiment can achieve the same technical effect. To avoid repetition, it will not be repeated here.

The embodiments of the present disclosure also provide a computer-readable storage medium on which a program is stored. When the program is executed by a processor, each process of the above-mentioned light source control method embodiment is realized, and the same technical effect can be achieved. To avoid repetition, I won’t repeat them here. Wherein, the computer readable storage medium, such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.

It should be noted that in this article, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, It also includes other elements not explicitly listed, or elements inherent to the process, method, article, or device. If there are no more restrictions, the element defined by the sentence "including a..." does not exclude the existence of other identical elements in the process, method, article or device that includes the element.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better.的实施方式。 Based on this understanding, the technical solution of the present disclosure essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes a number of instructions to enable a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the method described in each embodiment of the present disclosure.

The embodiments of the present disclosure are described above with reference to the accompanying drawings, but the present disclosure is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are only illustrative and not restrictive. Those of ordinary skill in the art are Under the enlightenment of the present disclosure, without departing from the purpose of the present disclosure and the scope of protection of the claims, many forms can be made, which are all protected by the present disclosure.

Claims

A terminal, including:

Base

Printed circuit board;

Connecting the base and the elastic element of the printed circuit board respectively;

A light source arranged on the printed circuit board;

case;

A lamp shade arranged on the housing, with a gap between the lamp shade and the light source;

A first electromagnet is provided on the printed circuit board, and a second electromagnet or a first magnetic material is correspondingly provided on the housing; or a third electromagnet is provided on the housing, and the printed circuit board The circuit board is correspondingly provided with a fourth electromagnet or a second magnetic material.
The terminal according to claim 1, wherein an orthographic projection area of the light source on the printed circuit board is located in an orthographic projection area of the lampshade on the printed circuit board.
The terminal according to claim 1, wherein the housing comprises: a battery cover and a middle frame body at least partially connected to the battery cover;

The lampshade is fixed to the battery cover;

When a first electromagnet is provided on the printed circuit board, the second electromagnet or the first magnetic material is fixed to the middle frame body;

When a fourth electromagnet or a second magnetic material is provided on the printed circuit board, the third electromagnet is fixed to the middle frame body.
The terminal according to claim 3, wherein the lamp cover comprises: a protruding part and a fixing part; the battery cover is provided with a through hole;

Wherein, the protruding part is located in the through hole;

The fixing portion is fixed on a first surface of the battery cover, and the first surface is a surface of the battery cover close to the light source;

When a first electromagnet is provided on the printed circuit board, one end of the second electromagnet or one end of the first magnetic material abuts the fixing portion;

When a fourth electromagnet or a second magnetic material is provided on the printed circuit board, one end of the third electromagnet abuts the fixing portion.
The terminal according to claim 1, wherein when a first electromagnet is provided on the printed circuit board and a second electromagnet or a first magnetic material is correspondingly provided on the housing, the first electromagnet The thickness of the iron is less than or equal to the height of the light source;

When a third electromagnet is provided on the housing and a fourth electromagnet or a second magnetic material is correspondingly provided on the printed circuit board, the thickness of the fourth electromagnet is less than or equal to the height of the light source , Or the thickness of the second magnetic material is less than or equal to the height of the light source.
The terminal according to claim 1, wherein two first electromagnets are provided on the printed circuit board, and two second electromagnets or two second electromagnets are correspondingly provided on the housing. A first magnetic material; or, two third electromagnets are provided on the housing, and two fourth electromagnets or two second magnetic materials are correspondingly provided on the printed circuit board.
A light source control method, applied to the terminal according to any one of claims 1-6, comprising:

Determine whether the terminal meets a preset condition;

If the preset condition is met, energize the target electromagnet, or stop energizing the target electromagnet, or adjust the magnitude and/or direction of the current applied to the target electromagnet;

Wherein, the target electromagnet is at least one of the first electromagnet, the second electromagnet, the third electromagnet, and the fourth electromagnet.
The light source control method according to claim 7, wherein the terminal satisfying the preset condition includes:

The gravitational acceleration of the terminal is greater than the first preset threshold, and the distance between the lampshade and the light source is less than the first preset distance.
The light source control method according to claim 7, wherein the terminal satisfying the preset condition includes:

The ratio between the brightness value of the four corner areas and the brightness value of the central area in the photographing area corresponding to the light source is greater than the second preset threshold; or

The ratio between the brightness value of the four corner areas and the brightness value of the central area in the photographing area corresponding to the light source is smaller than the third preset threshold.
The light source control method according to claim 7, wherein the terminal meeting the preset condition includes:

When taking a picture with the light source of the terminal, the distance between the photographed object in the finder frame and the terminal is greater than the second preset distance value, and the distance between the lampshade and the light source is less than the third preset distance value; or,

When taking pictures through the light source of the terminal, the distance between the photographed object in the framing frame and the terminal is less than the fourth preset distance value, and the distance between the lampshade and the light source is greater than the fifth preset distance value.
A terminal, wherein the terminal is the terminal according to any one of claims 1-6, and further comprising:

The judgment module is used to judge whether the terminal meets a preset condition;

The control module is configured to energize the target electromagnet when the preset conditions are met, or stop energizing the target electromagnet, or adjust the magnitude and/or direction of the current applied to the target electromagnet;

Wherein, the target electromagnet is at least one of the first electromagnet, the second electromagnet, the third electromagnet, and the fourth electromagnet.
A terminal comprising a processor, a memory, and a program stored on the memory and capable of running on the processor, wherein the program is executed by the processor to implement any one of claims 7 to 10 The steps of the light source control method described in item.
A computer-readable storage medium, wherein a program is stored on the computer-readable storage medium, and when the program is executed by a processor, the steps of the light source control method according to any one of claims 7 to 10 are realized.