CN113596202B - Control method of photosensitive sensor and electronic equipment - Google Patents
Control method of photosensitive sensor and electronic equipment Download PDFInfo
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- CN113596202B CN113596202B CN202110760795.6A CN202110760795A CN113596202B CN 113596202 B CN113596202 B CN 113596202B CN 202110760795 A CN202110760795 A CN 202110760795A CN 113596202 B CN113596202 B CN 113596202B
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- 238000001514 detection method Methods 0.000 claims description 25
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
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- 238000010304 firing Methods 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
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Abstract
The application discloses a control method of a photosensitive sensor and electronic equipment, in particular to the technical field of sensor control, the photosensitive sensor comprises an emission component and a receiving component, the photosensitive sensor is arranged in a shell of the electronic equipment, a light emission hole corresponding to the emission component and a light receiving hole corresponding to the receiving component are arranged on the shell, the emission component comprises at least two emission tube groups, each emission tube group comprises at least one emission tube, and the method comprises the following steps: controlling the at least two emission tube groups to sequentially emit light signals; acquiring a first voltage value output by the receiving assembly, wherein the first voltage value represents the intensity of the optical signal received by the receiving assembly; determining a target emission tube which is shielded by the shell in the emission tube group according to the first voltage value; and closing the target emission tube.
Description
Technical Field
The application belongs to the technical field of sensor control, and particularly relates to a control method of a photosensitive sensor and electronic equipment.
Background
Along with the continuous development of the smart phone, the screen of the smart phone is also larger and larger, which affects the screen ratio of the smart phone, wherein the screen ratio is a relative ratio of the screen to the area of the front panel of the smart phone, and is a parameter which is easier to obtain visual sense on the appearance design of the smart phone. Therefore, the micro-slit photosensitive sensor with the infrared photosensitive sensor arranged at the micro-slit of the mobile phone is widely applied, the micro-slit photosensitive sensor can reduce the hole digging area of a screen, and the screen occupation ratio is improved.
However, because the micro-slit infrared photosensitive sensor has smaller window opening size during assembly, the assembly deviation of the structure easily causes the micro-slit infrared photosensitive transmitting lamp to be shielded by the middle frame. Firstly, the light signal generated by the shielded transmitting lamp part cannot penetrate through the mobile phone cover plate, so that the overall transmitting effect of the light signal is affected; and secondly, the light path generated by the emitting lamp of the shielded part can be reflected for multiple times in the cover plate, and part of light is received by the receiving tube of the infrared photoelectric sensor, so that a new crosstalk path is generated, the infrared background noise is increased, and the performance of the sensor is influenced.
Disclosure of Invention
The embodiment of the application aims to provide a control method of a photosensitive sensor and electronic equipment, which can solve the problem that the performance of the conventional micro-slit photosensitive sensor is affected after assembly.
In a first aspect, an embodiment of the present application provides a control method of a photosensor, where the photosensor includes a transmitting component and a receiving component, the photosensor is disposed inside a housing of an electronic device, a light transmitting hole corresponding to the transmitting component and a light receiving hole corresponding to the receiving component are disposed on the housing, the transmitting component includes at least two transmitting tube groups, each transmitting tube group includes at least one transmitting tube,
The method comprises the following steps: controlling the at least two emission tube groups to sequentially emit light signals; acquiring a first voltage value output by the receiving assembly, wherein the first voltage value represents the intensity of the optical signal received by the receiving assembly; determining a target emission tube which is shielded by the shell in the emission tube group according to the first voltage value; and closing the target emission tube.
In a second aspect, an embodiment of the present application provides an electronic device, where the electronic device includes a housing and a photosensor disposed inside the housing, the photosensor includes a transmitting component and a receiving component, the photosensor is disposed inside the housing of the electronic device, a light transmitting hole corresponding to the transmitting component and a light receiving hole corresponding to the receiving component are disposed on the housing, the transmitting component includes at least two transmitting tube groups, and each transmitting tube group includes at least one transmitting tube;
The electronic device further includes: the first control module is used for controlling the transmitting tube groups in the at least two transmitting tube groups to sequentially emit light signals; the voltage acquisition module is used for acquiring a first voltage value output by the receiving component, wherein the first voltage value represents the intensity of the optical signal received by the receiving component; the detection module is used for determining a target emission tube which is shielded by the shell in the emission tube group according to the first voltage value; and the second control module is used for closing the target emitting tube.
In a third aspect, an embodiment of the present application provides an electronic device, including a memory and a processor, and a program or instructions stored on the memory and executable on the processor, the program or instructions implementing the method according to the first aspect when executed by the processor.
In a fourth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement a method according to the first aspect.
In the embodiment of the application, according to the condition that the light signal generated by the transmitting tube of the photosensitive sensor is received by the receiving tube, whether the light signal is shielded by the shell is judged, the target transmitting tube shielded by the shell is determined, and the corresponding target transmitting tube is closed, so that the propagation of the photosensitive sensor in the shell of the electronic equipment is reduced, the bottom noise is reduced, and the performance of the photosensitive sensor is improved.
Drawings
FIG. 1 is a schematic diagram of an assembly of a conventional micro-slit photosensor in an electronic device;
FIG. 2 is a schematic diagram of a photosensor;
FIG. 3 is a schematic diagram of another arrangement of the emitter tube set of the photosensor;
FIG. 4 is a flow chart of steps of a method of controlling a photosensitive sensor;
FIG. 5 is an assembly of the transmitting assembly in a practical application;
fig. 6 is a step of the control method of the photosensor of the present embodiment in practical application;
FIG. 7 is another assembly of the firing assembly in a practical application;
FIG. 8 is yet another embodiment of the assembly of the emitter assembly in practice;
fig. 9 is a schematic structural diagram of an electronic device according to the present embodiment;
fig. 10 is a schematic structural diagram of another electronic device provided in the present embodiment;
fig. 11 is a schematic structural diagram of still another electronic device provided in the present embodiment.
In the figure: a photosensor 01, an emitting component 02, a receiving component 03, an emitting tube group 04, an emitting tube 05, a receiving tube 06, a light emitting hole 07, a light receiving hole 08, a housing 09, and a screen 10.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The control method of the photosensitive sensor and the electronic device provided by the embodiment of the application are described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is an assembly schematic diagram of an existing micro-slit photosensor in an electronic device, the micro-slit photosensor in fig. 1 employs a single transmitting tube capable of integrally transmitting an optical signal, the electronic device is provided with a light transmitting hole 07 and a light receiving hole 08, a transmitting tube 05 of a transmitting assembly 02 is disposed directly below the light transmitting hole 07, and a receiving tube is disposed directly below the light receiving hole 08. The optical path of the optical signal emitted by the emitting tube 05 is: the optical signal is transmitted to the environment through the optical transmitting hole 07, is reflected by the reflector in the environment, passes through the optical receiving hole 08, and is finally received by the receiving assembly. The temperature may be used to detect the ambient temperature from the intensity of the optical signal received by the receiver, or the distance may be used to measure the distance between the reflector and the electronic device in the environment from the intensity of the optical signal received by the receiver, from the effect of the distance on the propagation of the optical signal. However, since the opening of the light emitting hole 07 or the light receiving hole 08 is small, and there may be errors in assembling the micro-slit photosensor, for example, a tolerance exists between the emitting tube 05 and the light emitting hole 07 in the Y direction, which may cause that a part of the optical path of the emitting tube 05 is blocked by the electronic device itself, and the light signal generated by the emitting tube 05 in the blocked part may generate interference inside the electronic device, increasing the noise of the sensor itself, thereby affecting the performance of the sensor.
Thus, in order to solve the above-described problems, the present embodiment provides a control method of a photosensor, which is applicable to the photosensor 01 provided in the present embodiment, and referring to fig. 2, the photosensor 01 includes a transmitting component 02 and a receiving component 03, the transmitting component 02 is configured to transmit an optical signal, and the receiving component 03 is configured to receive the optical signal. The photosensor 01 is provided inside a housing of the electronic device, on which a light emitting hole 07 corresponding to the emitting component 02 and a light receiving hole 08 corresponding to the receiving component 03 shown in fig. 1 are provided. For example, the emission component 02 is disposed inside the housing at a position below the light emission hole 07 to facilitate emission of the light signal; the receiving assembly 03 is disposed inside the housing at a position below the light receiving hole 08 to facilitate the reception of the light signal.
The electronic device may be an intelligent terminal device such as a mobile phone, a computer, a tablet computer, etc., when the electronic device is a mobile phone, the housing 09 may be a cover plate of a mobile phone body, the cover plate and the screen 10 are combined to form an upper surface of the mobile phone together, and the photosensitive sensor 01 is disposed at an edge of the screen 10.
In this embodiment, referring to fig. 2, the emitting assembly 02 includes at least two emitting tube groups 04, each emitting tube group 04 includes at least one emitting tube 05, for example, the emitting assembly 02 includes two emitting tube groups 04, each emitting tube group 04 includes one emitting tube 05, and then the emitting assembly 02 includes 2 emitting tubes, and the opening and closing of the two emitting tubes can be controlled respectively.
For another example, referring to fig. 3, the emitting assembly 02 includes 2 emitting tube groups 04, and each emitting tube group includes 3 emitting tubes 05, and then, the emitting tube group 04 includes 6 emitting tubes, and the custom control of the emitting tubes in each emitting tube group 04 can be achieved by controlling the on and off of the emitting tubes 05 of the same emitting tube group at a time.
The emitting tube 05 may be one of a semiconductor light source, a light emitting diode, a laser diode, and an infrared emitting diode, and the receiving assembly 03 includes a receiving tube 06, and the receiving tube 06 may be a photodiode or a phototransistor.
It should be noted that, considering that the space available for mounting the photosensor 01 on the housing of the electronic device is narrow, the tolerance of the photosensor 01 is mostly the tolerance in the Y direction when it is mounted with the electronic device, and therefore, the emitter tubes 05 of each emitter tube group 04 in this embodiment may form an array, that is, when the emitter assembly 02 includes two emitter tube groups 04, each emitter tube group 04 includes one emitter tube 05, the emitter assembly 02 is an array of emitter tubes of 2*1; when the firing assembly 02 includes 3 fire tube sets 04, each fire tube set 04 includes 2 fire tubes 05 therein, the firing assembly 02 is a 3*2 fire tube array. So that the individual or whole row of emitter tubes shielded by the housing can be closed by controlling the closure of the emitter tube 05 of each row individually.
For the above-described photosensor 01, the present embodiment provides a control method of the photosensor, referring to fig. 4, the method includes the steps of:
step 1100, controlling at least two emitting tube groups 04 to sequentially emit light signals.
In the case where the above-described photosensor 01 has been assembled, in order to detect whether the emitter tube 05 in the emitter assembly 02 is shielded by the housing, it is necessary to detect the emitter tube group of each emitter tube group, and the detection method includes: and controlling the at least two emission tube groups 04 to sequentially emit light signals according to the set shielding detection sequence, wherein in the case that the emission tube groups comprise at least two emission tubes, the emission tubes 05 in the same emission tube group 04 have the same detection sequence. That is, all the emitter tubes 05 within each emitter tube group are controlled to be turned on or off simultaneously.
In a possible example, when the transmitting assembly 02 includes 5 transmitting tube sets 04, only one transmitting tube in each transmitting tube set 04, that is, the transmitting assembly 02 has a total of 5 transmitting tubes, the 5 transmitting tubes may be aligned in an array manner or may not have a specific setting bit. The embodiment can sequentially control the opening and closing of the 5 emission tubes, for example, when the first emission tube is opened, keep other emission tubes closed, after receiving the optical signal of the first emission tube, close the first emission tube, open the second emission tube, and sequentially circulate to obtain the optical signal of each emission tube 05 when being opened.
In a possible example, when the transmitting assembly 02 includes 3 transmitting tube groups 04, and there are 2 transmitting tubes in each transmitting tube group 04, that is, the transmitting assembly 02 has 6 transmitting tubes in total, the 3 transmitting tube groups 04 may be aligned in an array manner or may not have a specific setting bit. The present embodiment may acquire the light signals of the emission tubes 05 in each emission tube group at the time of opening by sequentially controlling the opening and closing of each two emission tubes 05 in the 3 emission tube groups 04, for example, when 2 emission tubes 05 of the first emission tube group are opened, keeping the emission tubes 05 of the other emission tube groups closed, closing the emission tubes 05 of the first emission tube group after receiving the light signals of the first emission tube group, opening the emission tubes 05 of the second emission tube group, and sequentially cycling.
In this embodiment, the greater the number of the emitting tubes of each emitting tube group, the greater the optical signal intensity thereof, and thus the greater the received optical signal intensity, and therefore, the number of the emitting tubes of the emitting tube group is preferably greater than 1, thereby improving the detection effect.
Step 1200, obtaining a first voltage value output by a receiving component.
In this embodiment, the photosensitive sensor 01 may be a device for converting an optical signal into an electrical signal, so that after the transmitting tube set 04 for controlling the current detection bit transmits the optical signal, the optical signal received by the receiving component 03 may be converted into a corresponding electrical signal, so as to output a first voltage value, where the first voltage value characterizes the intensity of the optical signal received by the receiving component 03.
In one possible example, the receiving assembly may be provided with a photoelectric conversion circuit, and the receiving tube in the receiving assembly converts the optical signal into a corresponding voltage value after receiving the optical signal.
Step 1300, determining a target emission tube which is shielded by the shell in the emission tube group according to the first voltage value.
Under the condition that the number and the emission intensity of the emitting tubes are fixed and the emitting tubes are not blocked by the shell, the optical signals received by the receiving tubes comprise the optical signals received by the receiving tubes through the optical receiving holes and the optical signals generated by noise inside the shell, under the condition that the distance between an external emitter and the photosensitive sensor is fixed and the external temperature is unchanged, namely under the condition that the environment variable is unchanged, the intensity of the optical signals received by the receiving tubes can be regarded as unchanged, the voltage value output by the receiving tubes is unchanged, therefore, the embodiment can set a first preset threshold value, and the first voltage value output by the receiving tubes is compared with the first preset threshold value to determine whether the optical signals sent by the emitting tube groups are blocked by the shell.
In this embodiment, since the optical signal propagates in a relatively small space when the transmitting tube is shielded by the housing, the optical signal intensity is greater than that obtained by scattering air and reflecting the scattered air, that is, if the transmitting tube is shielded, the total optical signal intensity received by the receiving tube is increased. Therefore, in this embodiment, when the first voltage value is greater than the first preset threshold value, it is determined that the light signal emitted by the emission tube group is blocked by the housing, and at this time, the target emission tube is one or more emission tubes in the blocked emission tube group.
For example, the transmitting assembly 02 includes 3 transmitting tube groups 04, 2 transmitting tubes in each transmitting tube group 04 transmit light signals simultaneously, when a first transmitting tube group transmits light signals and other transmitting tubes are closed, the first voltage value output by the receiving tube is greater than a first preset threshold value, then the transmitting tube group is indicated to be blocked by the shell, and then the transmitting tube of the first group is determined to be a target transmitting tube.
For another example, the transmitting assembly 02 includes 3 transmitting tube groups 04, each transmitting tube group 04 includes 2 transmitting tubes respectively controlling the same group of 2 transmitting tubes to sequentially transmit light signals, where when a first transmitting tube of the group transmits light signals and a second transmitting tube is turned off, a first voltage value output by a receiving tube is a, and when a first transmitting tube of the group is turned off and a second transmitting tube transmits light signals, a first voltage value output by the receiving tube is B, where a is equal to a first preset threshold, and B is greater than the first preset threshold, then it is determined that a second transmitting tube of the group is a target transmitting tube.
In this embodiment, since the optical signal received by the receiving component includes the optical signal received by the receiving tube through the optical receiving hole and the optical signal received by the receiving tube inside the housing, the first voltage value includes a voltage value corresponding to the optical signal received by the receiving tube through the optical receiving hole and a voltage value corresponding to the optical signal received by the receiving tube inside the housing.
Step 1400, turning off the target emission tube.
In this embodiment, under the condition that the emitting tube is blocked by the housing, a noise is generated inside the photosensitive sensor 01, which affects the performance of the photoelectric sensor, so that the embodiment controls the corresponding target emitting tube to be in a closed state when detecting the target emitting tube of which the optical signal is blocked by the housing.
The control of the target transmitting tube in the off state may be achieved by controlling a control circuit connected to the transmitting tube group 04, for example, when it is detected that the first voltage value output by the receiving component 03 is greater than the first preset threshold value, a turn-off command is generated, and a chip in the control circuit receives the turn-off command and then controls the transmitting tube 05 to be turned off.
For example, referring to fig. 5, it can be seen that the emitting assembly 02 includes two emitting tube groups 04, wherein each emitting tube group 04 includes 1 emitting tube 05, and at this time, the emitting tube 05 located above is shielded by the housing, and then, by controlling the shielded emitting tube 05 to be closed, the noise floor inside the photosensor 01 can be reduced.
Referring to fig. 6, fig. 6 is a step of a control method of a photosensor of the present embodiment in practical application, including: each group of the transmitting tube groups 04 is sequentially opened according to the shielding detection sequence, the first voltage value output by the receiving assembly 03 is recorded, when the first voltage value is larger than a first preset threshold value, the corresponding opened transmitting tube group 04 is determined to be shielded by the shell, the transmitting tubes in the corresponding transmitting tube group 04 are closed, when the first voltage value is smaller than the first preset threshold value, no treatment is performed, and the steps are sequentially circulated until the last group of transmitting tube groups 04 complete detection, so that the photosensitive sensor 01 has higher performance in normal use.
As can be seen from the above embodiments, in the case where each of the emission tube groups 04 in the emission component 02 of the photosensor 01 in this embodiment includes only one emission tube 05, the control method of this embodiment can implement independent control of each emission tube 05, and this method is suitable for the case where the assembly of the emission component 02 has both X-direction and Y-direction tolerances, for example, in fig. 7, the situation where the emission component 02 is tilted with respect to the light emission hole 07, and the sensor performance can be improved by independently controlling the blocked emission tube 05 to be closed.
In the case where each of the emitter groups 04 in the emitter assemblies 02 of the photosensor 01 includes a plurality of emitter tubes 05 in this embodiment, the entire group of the emitter tubes 05 can be controlled, and this is suitable for the case where the assembly of the emitter assemblies 02 has a Y-direction tolerance, for example, in fig. 8, a scene where the entire row of emitter tubes 05 of the emitter assemblies 02 are covered by a housing, the sensor performance can be improved by controlling the covered group of emitter tubes 05 to be turned off, and the power consumption can be reduced by controlling the entire group of emitter tubes 05 to be turned off.
In order to further reduce noise and improve performance of the photosensitive sensor 01, in this embodiment, after the target transmitting tube is turned off, position information of each transmitting tube 05 relative to the receiving component 03 is also acquired, so as to adjust the optical signal intensity of each transmitting tube 05 according to the position information.
The position information of each transmitting tube 05 relative to the receiving assembly 03 may be a distance of each transmitting tube 05 relative to a center of the receiving assembly, that is, the position information includes a distance between the transmitting tube 05 and the receiving assembly. The manner of obtaining the position information of each transmitting tube 05 relative to the receiving assembly may be that a reflector is disposed on the optical signal propagation path of each transmitting tube 05, when each transmitting tube 05 is detected to be turned on, the intensity of the optical signal received by the receiving assembly determines the distance between the corresponding transmitting tube 05 and the receiving assembly, for example, the weaker the intensity of the optical signal received by the receiving assembly, the farther the transmitting tube 05 and the receiving assembly are, otherwise, the stronger the intensity of the optical signal received by the receiving assembly, the closer the transmitting tube 05 and the receiving assembly are.
In addition, the distance between each of the emitter tubes 05 and the emitter assembly 02 may be preset according to the fixed position of the emitter tube 05 at the time of assembly.
In this embodiment, the optical signal intensity of each emission tube 05 is adjusted according to the position information, and a current control instruction may be generated according to the position information, and the optical signal intensity of the emission tube 05 is controlled according to the current control instruction. Specifically, the optical signal intensity of the transmitting tube with the receiving assembly within a first distance is reduced, and the optical signal intensity of the transmitting tube with the receiving assembly within a second distance is increased, wherein the second distance is greater than the first distance.
In this embodiment, the closer the receiving element is to the transmitting tube, the more likely the light signal emitted by the transmitting tube is received by the receiving element, and by reducing the intensity of the light signal of the transmitting tube closer to the receiving element, the probability of the receiving element receiving the light signal inside the housing can be reduced, and the noise floor of the photosensitive sensor 01 can be reduced. And the light signal intensity of the transmitting tube far away from the receiving assembly is increased, the transmitting current of the transmitting tube 05 far away from the receiving assembly is increased, and the detection distance of the photosensitive sensor 01 can be increased.
In an alternative example, the emission intensity of the non-shielded emission tube may be increased according to the number of the closed target emission tubes after the target emission tubes are closed, for example, when the closed target emission tube is one third of the total emission tubes, the current optical signal intensity of the non-shielded emission tube may be adjusted to be 2 times of the previous time, so that the detection efficiency of the photosensitive sensor may be improved while the optical signal intensity is ensured.
The receiving element in this embodiment may be a receiving tube 06, and when the receiving element is a receiving tube 06, the optical signal is received through the receiving tube 06.
Considering that the receiving tube 06 may be blocked by the housing to affect the performance of the photosensitive sensor 01, the receiving assembly of this embodiment may be at least two receiving tubes 06 that are individually controllable, and when the receiving assembly includes at least two receiving tubes 06 that are individually controllable, after the target transmitting tube is closed, the embodiment may further control the receiving assembly by controlling the opening and closing of each receiving tube 06, so as to reduce power consumption and further improve the performance of the photosensitive sensor 01.
After the target transmitting tube is closed, whether the receiving component is shielded by the shell needs to be detected, and the detection method can be based on that the intensity of the optical signal received by the receiving tube 06 is different in the case that no reflector exists outside the electronic device and in the case that the reflector exists.
In this embodiment, the detection method includes: acquiring a second voltage value and a third voltage value output by a receiving assembly, and detecting whether the receiving tube is shielded by the shell or not according to the difference value of the second voltage value and the third voltage value; and under the condition that the receiving tube is shielded by the shell, controlling the corresponding receiving tube to be in a closed state. The second voltage value is a voltage value output by the receiving component under the condition that no reflector exists outside the electronic equipment, and the third voltage value is a voltage value output by the receiving component under the condition that the reflector exists outside the electronic equipment.
In a possible example, if the electronic device part is used to detect the absence of the reflector, when the optical signal is emitted from the emitting tube 05, the optical signal generated by the electronic device part is scattered in the environment, and the probability of the receiving tube 06 receiving the optical signal is small because the optical signal cannot pass through the light receiving hole 08 by reflection of the reflector. The light signal received by the receiving element is mainly obtained by the original noise generated by the light signal emitted by the emitting tube in the shell, and the voltage value output by the receiving element is the second voltage value.
In a possible example, if a detection mode of a reflecting object is adopted outside the electronic device, when the optical signal is emitted from the emitting tube 05, the receiving tube 06 receives the optical signal due to reflection of the reflecting object and passes through the light receiving hole 08, so that the optical signal received by the receiving tube at this time includes the optical signal received through the light receiving hole and the original noise floor inside the housing, and the voltage value output by the receiving tube at this time is the third voltage value.
Since the original noise floor received by the receiving tube is much smaller than the original noise floor received by the transmitting tube through the light receiving hole in the case of normal assembly of the photosensor. Therefore, the third voltage value should be far greater than the second voltage value, and if the third voltage value is the same as the second voltage value or the difference between the third voltage value and the second voltage value is smaller, the corresponding receiving tube 06 is blocked, and the receiving tube 06 cannot receive the light signal after external reflection; if the difference between the third voltage value and the second voltage value is larger, the corresponding receiving tube 06 is represented to be not shielded, and the light signal reflected by the outside can be normally received.
Therefore, the present embodiment compares the difference between the third voltage value and the second voltage value with the magnitude of the second preset threshold value; when the difference value is smaller than a second preset threshold value, the second voltage value is the same as the third voltage value or has smaller change, the externally reflected light signal can not be received, and the receiving tube 06 is determined to be blocked by the shell; and under the condition that the difference value is larger than a second preset threshold value, the change of the second voltage value and the third voltage value is larger, and the receiving tube 06 can receive an externally reflected light signal, so that the receiving tube 06 is determined to be not shielded by the shell.
In another possible embodiment, the light signal intensity of the emitting tube 05 can be changed by applying different current intensities to the emitting tube 05 in the case of providing a reflector outside the electronic device, and whether the corresponding receiving tube 06 is blocked by the housing can be detected by detecting the voltage value change of the receiving tube 06 under the two different light signal intensities.
Under the condition that the receiving tube 06 is shielded by the shell, the corresponding receiving tube 06 is controlled to be in a closed state, so that the receiving tube 06 which cannot normally receive the optical signal can be prevented from being powered, and the energy consumption of the photosensitive sensor 01 is reduced.
The present embodiment also provides an electronic apparatus 11, referring to fig. 9, the electronic apparatus 11 includes a housing 09 and a photosensor 01 disposed inside the housing, referring to fig. 2, the photosensor 01 includes a transmitting component 02 and a receiving component 03, the photosensor 01 is disposed inside the housing of the electronic apparatus, a light transmitting hole 07 corresponding to the transmitting component 02 and a light receiving hole 08 corresponding to the receiving component 03 are disposed on the housing, the transmitting component 02 includes at least two transmitting tube groups 04, and each transmitting tube group 04 includes at least one transmitting tube 05.
The receiving component 03 of the photosensitive sensor of the embodiment may include one receiving tube 06, or may include at least two receiving tubes that are individually controllable, so as to control the opening or closing of the receiving tubes, thereby reducing the energy consumption of the photosensitive sensor from the receiving tube ends and improving the performance of the sensor. The specific structure and function of the photosensitive sensor are described above, and are not repeated here.
The electronic device 11 of the present embodiment further includes:
A first control module 12 for controlling the emission tube group 04 of the at least two emission tube groups 04 to sequentially emit light signals. Specifically, at least two emission tube groups are controlled to sequentially emit light signals according to set detection sequence positions, wherein in the case that the emission tube groups comprise at least two emission tubes, the emission tubes in the same emission tube group have the same detection sequence position.
The voltage acquisition module 13 is configured to acquire a first voltage value output by the receiving component, where the first voltage value represents the intensity of the optical signal received by the receiving component.
The detection module 14 is used for determining a target emitting tube which is shielded by the shell in the emitting tube group according to the first voltage value. Specifically, under the condition that the first voltage value is larger than a first preset threshold value, determining that an optical signal emitted by the emission tube group is shielded by the shell, wherein the target emission tube is one or more emission tubes in the shielded emission tube group; the first voltage value comprises a voltage value corresponding to the optical signal received by the receiving component through the optical receiving hole and a voltage value corresponding to the optical signal received by the receiving component in the shell.
A second control module 15 for closing the target emitting tube.
The second control module 15 is further configured to obtain position information of each transmitting tube relative to the receiving component after the target transmitting tube is closed, and adjust the optical signal intensity of each transmitting tube according to the position information. Wherein the location information comprises a distance between the transmitting tube and the receiving assembly.
The second control module 15 is further configured to generate a current control instruction according to the location information; and according to the current control instruction, reducing the optical signal intensity of the transmitting tube of the receiving assembly in the first distance, and increasing the optical signal intensity of the transmitting tube of the receiving assembly in the second distance.
The detection module 14 is further configured to obtain a second voltage value and a third voltage value output by the receiving assembly after the target transmitting tube is closed, and detect whether the receiving tube is blocked by the housing according to a difference value between the second voltage value and the third voltage value; the second voltage value is a voltage value output by the receiving component under the condition that no reflector exists outside the electronic equipment, and the third voltage value is a voltage value output by the receiving component under the condition that the reflector exists outside the electronic equipment. Comparing the difference with a second preset threshold; under the condition that the difference value is smaller than a second preset threshold value, determining that the receiving tube is blocked by the shell; and under the condition that the difference value is larger than a second preset threshold value, determining that the receiving tube is not blocked by the shell.
The second control module 15 is further configured to control the corresponding receiving pipe to be in a closed state when the receiving pipe is blocked by the housing. Specific steps and methods are described above, and are not repeated here.
The first control module 12, the voltage acquisition module 13, the detection module 14, and the second control module 15 in this embodiment may be non-mobile electronic devices, or may be components, integrated circuits, or chips in a terminal. By way of example, the non-mobile electronic device may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a Television (TV), a teller machine, a self-service machine, or the like, and embodiments of the present application are not limited in particular.
The first control module 12, the voltage acquisition module 13, the detection module 14 and the second control module 15 may be part of a device having an operating system in an embodiment of the present application. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, and the embodiment of the present application is not limited specifically.
The electronic device in this embodiment may be a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, a Personal Digital Assistant (PDA), or the like, which is not particularly limited.
The present embodiment further provides an electronic device, where the electronic device includes a housing and a photosensitive sensor disposed inside the housing and shown in fig. 2, optionally, as shown in fig. 10, the electronic device 900 further includes a processor 901, a memory 902, and a program or an instruction stored in the memory 902 and capable of running on the processor 901, where the program or the instruction is executed by the processor 901 to implement each process of the above-mentioned embodiment of the control method of the photosensitive sensor, and the same technical effect can be achieved, and for avoiding repetition, a detailed description is omitted herein.
Fig. 11 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.
The electronic device 100 includes, but is not limited to: radio frequency unit 101, network module 102, audio output unit 103, input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, and processor 110.
Those skilled in the art will appreciate that the electronic device 100 may further include a power source (e.g., a battery) for powering the various components, and that the power source may be logically coupled to the processor 110 via a power management system to perform functions such as managing charging, discharging, and power consumption via the power management system. The electronic device structure shown in fig. 10 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than shown, or may combine certain components, or may be arranged in different components, which are not described in detail herein.
Wherein, the processor 110 is configured to control the at least two emission tube groups to sequentially emit light signals; acquiring a first voltage value output by a receiving assembly, wherein the first voltage value represents the intensity of an optical signal received by the receiving assembly; determining a target transmitting tube which is shielded by the shell in the transmitting tube group according to the first voltage value; the target emitter tube is turned off, thereby improving sensor performance.
Optionally, the processor 110 is further configured to obtain a first voltage value output by the receiving component after controlling the transmitting tube group of the current detection bit to transmit the optical signal, where the first voltage value characterizes the intensity of the optical signal received by the receiving component; and under the condition that the first voltage value is larger than a first preset threshold value, determining that the optical signal is shielded by the shell. Thereby detecting whether the light signal of the emitting tube is blocked by the housing.
Optionally, the processor 110 is further configured to obtain, after the target transmitting tube is turned off, position information of each transmitting tube relative to the receiving assembly, where the position information includes a distance between the transmitting tube and the receiving assembly; and adjusting the optical signal intensity of each transmitting tube according to the position information.
Optionally, the processor 110 is further configured to generate a current control instruction according to the location information; and according to the current control instruction, reducing the optical signal intensity of the transmitting tube of the receiving assembly in the first distance, and increasing the optical signal intensity of the transmitting tube of the receiving assembly in the second distance.
Optionally, the processor 110 is further configured to obtain the second voltage value and the third voltage value output by the receiving component after the target transmitting tube is closed, and detect whether the receiving tube is blocked by the housing according to a difference value between the second voltage value and the third voltage value; and under the condition that the receiving tube is shielded by the shell, controlling the corresponding receiving tube to be in a closed state. The second voltage value is a voltage value output by the receiving component under the condition that no reflector exists outside the electronic equipment, and the third voltage value is a voltage value output by the receiving component under the condition that the reflector exists outside the electronic equipment.
It should be appreciated that in embodiments of the present application, the input unit 104 may include a graphics processor (Graphics Processing Unit, GPU) 1041 and a microphone 1042, the graphics processor 1041 processing image data of still pictures or video obtained by an image capturing device (e.g. a camera) in a video capturing mode or an image capturing mode. The display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 107 includes a touch panel 1071 and other input devices 1072. The touch panel 1071 is also referred to as a touch screen. The touch panel 1071 may include two parts of a touch detection device and a touch controller. Other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein. Memory 109 may be used to store software programs as well as various data including, but not limited to, application programs and an operating system. The processor 110 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The embodiment of the application further provides a chip, the chip comprises a processor and a communication interface, the communication interface is coupled with the processor, the processor is used for running programs or instructions, the processes of the control method embodiment of the photosensitive sensor can be realized, the same technical effects can be achieved, and the repetition is avoided, and the description is omitted here.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, chip systems, or system-on-chip chips, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.
Claims (9)
1. A control method of a photosensor, wherein the photosensor includes a transmitting assembly and a receiving assembly, the photosensor is disposed inside a housing of an electronic device, a light transmitting hole corresponding to the transmitting assembly and a light receiving hole corresponding to the receiving assembly are disposed on the housing, the transmitting assembly includes at least two transmitting tube groups, each transmitting tube group includes at least one transmitting tube, the method includes:
Controlling the at least two emission tube groups to sequentially emit light signals;
acquiring a first voltage value output by the receiving assembly, wherein the first voltage value represents the intensity of the optical signal received by the receiving assembly;
determining a target emission tube which is shielded by the shell in the emission tube group according to the first voltage value;
closing the target emission tube;
Wherein, according to the first voltage value, determining a target emission tube which is blocked by the shell in the emission tube group includes:
determining that an optical signal emitted by the emission tube group is shielded by the shell under the condition that the first voltage value is larger than a first preset threshold value, wherein the target emission tube is one or more emission tubes in the shielded emission tube group;
The first voltage value comprises a voltage value corresponding to the optical signal received by the receiving component through the optical receiving hole and a voltage value corresponding to the optical signal received by the receiving component in the shell.
2. The method of claim 1, wherein controlling the at least two groups of emitter tubes to sequentially emit light signals comprises:
and controlling the at least two transmitting tube groups to sequentially emit the optical signals according to the set detection sequence, wherein the transmitting tubes in the same transmitting tube group have the same detection sequence under the condition that the transmitting tube group comprises at least two transmitting tubes.
3. The method of claim 1, wherein after closing the target launch tube, the method further comprises:
acquiring position information of each transmitting tube relative to a receiving assembly, wherein the position information comprises the distance between the transmitting tube and the receiving assembly;
And adjusting the optical signal intensity of each transmitting tube according to the position information.
4. A method according to claim 3, wherein adjusting the optical signal intensity of each emitter tube according to the position information comprises:
Generating a current control instruction according to the position information;
and according to the current control instruction, reducing the optical signal intensity of the transmitting tube which is in the first distance with the receiving assembly, and increasing the optical signal intensity of the transmitting tube which is in the second distance with the receiving assembly.
5. The method of claim 1, wherein the receiving assembly comprises at least two individually controllable receiving tubes, the method further comprising, after closing the target transmitting tube:
Acquiring a second voltage value and a third voltage value output by a receiving component, wherein the second voltage value is a voltage value output by the receiving component under the condition that no reflector exists outside the electronic equipment, and the third voltage value is a voltage value output by the receiving component under the condition that the reflector exists outside the electronic equipment;
Detecting whether the receiving tube is shielded by the shell or not according to the difference value of the second voltage value and the third voltage value;
and under the condition that the receiving tube is shielded by the shell, controlling the corresponding receiving tube to be in a closed state.
6. The method of claim 5, wherein detecting whether the receiving tube is occluded by the housing based on a difference between the second voltage value and the third voltage value comprises:
Comparing the difference value with a second preset threshold value;
determining that the receiving tube is blocked by the shell when the difference value is smaller than the second preset threshold value;
And under the condition that the difference value is larger than the second preset threshold value, determining that the receiving tube is not shielded by the shell.
7. An electronic device is characterized by comprising a shell and a photosensitive sensor arranged in the shell, wherein the photosensitive sensor comprises a transmitting component and a receiving component, the photosensitive sensor is arranged in the shell of the electronic device, a light transmitting hole corresponding to the transmitting component and a light receiving hole corresponding to the receiving component are arranged on the shell, the transmitting component comprises at least two transmitting tube groups, and each transmitting tube group comprises at least one transmitting tube;
the electronic device further includes:
The first control module is used for controlling the transmitting tube groups in the at least two transmitting tube groups to sequentially emit light signals;
The voltage acquisition module is used for acquiring a first voltage value output by the receiving component, wherein the first voltage value represents the intensity of the optical signal received by the receiving component;
the detection module is used for determining a target emission tube which is shielded by the shell in the emission tube group according to the first voltage value;
The second control module is used for closing the target transmitting tube;
The detection module is used for determining that the light signal emitted by the emitting tube group is shielded by the shell when the first voltage value is larger than a first preset threshold value, and the target emitting tube is one or more emitting tubes in the shielded emitting tube group;
The first voltage value comprises a voltage value corresponding to the optical signal received by the receiving component through the optical receiving hole and a voltage value corresponding to the optical signal received by the receiving component in the shell.
8. The electronic device of claim 7, wherein the receiving assembly comprises at least two individually controllable receiving tubes.
9. An electronic device comprising a memory and a processor, and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implement the steps of the method of controlling a photosensitive sensor according to any one of claims 1-6.
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