CN110519895A - Flash lamp temperature control method, device and mobile terminal - Google Patents
Flash lamp temperature control method, device and mobile terminal Download PDFInfo
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- CN110519895A CN110519895A CN201910638953.3A CN201910638953A CN110519895A CN 110519895 A CN110519895 A CN 110519895A CN 201910638953 A CN201910638953 A CN 201910638953A CN 110519895 A CN110519895 A CN 110519895A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000006870 function Effects 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RFHAOTPXVQNOHP-UHFFFAOYSA-N fluconazole Chemical compound C1=NC=NN1CC(C=1C(=CC(F)=CC=1)F)(O)CN1C=NC=N1 RFHAOTPXVQNOHP-UHFFFAOYSA-N 0.000 description 1
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- 238000011897 real-time detection Methods 0.000 description 1
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Classifications
-
- 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
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Function (AREA)
Abstract
The present invention provides a kind of flash lamp temperature control method, applied to the mobile terminal for being provided with flash lamp, comprising steps of obtaining the current temperature value of mainboard；Judge whether the current temperature value is more than preset temperature threshold；If current temperature value is more than preset temperature threshold, the state value that flash lamp is returned in current application scene is obtained；Determine whether the flash lamp opens the mode of being always on according to the state value；If the flash lamp unlatching is always on mode, the brightness of the flash lamp is adjusted.The present invention provides a kind of flash lamp temperature control device and mobile terminal.The present invention by flash lamp unlatching be always on mode after mainboard when the temperature is excessively high, adjust flash lamp in time, increase the self-protection function of mobile terminal, avoid influence mobile terminal performance so that mobile terminal is more intelligent.
Description
[technical field]
The invention belongs to field of communication technology more particularly to a kind of flash lamp temperature control methods, device and mobile terminal.
[background technique]
Currently, being fitted with flash lamp on the mobile terminals such as mobile phone, tablet computer as the light source used.Flash lamp can be opened
Opening both of which includes being always on mode and flash mode, both can be used as the flashlight of night illumination, can also be used as dark situation
The compensatory light taken pictures., can be to its electric current into configuration according to different brightness however under the mode that is always on, the electricity of general list lamp configuration
Stream is 75mA~100mA, even higher, thus the electric current needed to configure under the configuration of double lamps can be bigger.Therefore, flash lamp is opened
It is always on larger by the mainboard electric current total value of mobile terminal when mode, mainboard temperature can be allowed quickly to increase, mobile terminal is caused to be sent out
Thermal phenomenon is serious, is unable to adjust automatically flash lamp, influences properties of product and usage experience.In consideration of it, it is really necessary to provide one kind
Flash lamp temperature control method, device and mobile terminal are to overcome drawbacks described above.
[summary of the invention]
The present invention proposes a kind of flash lamp temperature control method, device and mobile terminal, main after flash lamp unlatching is always on mode
When plate temperature is excessively high, the brightness of flash lamp is adjusted in time, avoids influencing terminal capabilities.
To achieve the goals above, the present invention provides a kind of flash lamp temperature control method, applied to the shifting for being provided with flash lamp
Dynamic terminal, comprising the following steps:
Obtain the current temperature value of mainboard；
Judge whether the current temperature value is more than preset temperature threshold；
If the current temperature value is more than preset temperature threshold, obtain what the flash lamp was returned in current application scene
State value；
Judge whether the flash lamp opens the mode of being always on according to the state value；
If the flash lamp unlatching is always on mode, the brightness of the flash lamp is adjusted.
In a preferred embodiment, the step of current temperature value for obtaining mainboard, further includes:
When flash lamp is opened, pre-set function interface is called to obtain the current temperature value of the mainboard.
In a preferred embodiment, the acquisition flash lamp is the state value that current application scene returns the step of,
Include:
According to the present current value of the flash lamp, compares with predetermined current threshold and answered with the determination flash lamp currently
With the use pattern of scene；
State value corresponding with the use pattern is returned according to the use pattern of current application scene.
In a preferred embodiment, it is described obtain mainboard current temperature value the step of before, further includes: in advance
State value under the corresponding different use patterns of different application scene is set, and the predetermined current threshold by the way that flash lamp is arranged come
Identify different application scene.
In a preferred embodiment, if described judge that the flash lamp unlatching is always on mode, the flash of light is adjusted
The step of brightness of lamp, comprising: the current value for controlling the flash lamp reduces to reduce the brightness of flash lamp, or described in control
The current value of flash lamp is zero to close the flash lamp.
To achieve the goals above, the present invention also provides a kind of flash lamp temperature control devices, comprising:
First obtains module, for obtaining the current temperature value of mainboard；
First judgment module, for judging whether the current temperature value is more than preset temperature threshold；
Second obtains module, for obtaining the flash lamp current when current temperature value is more than preset temperature threshold
The state value that application scenarios return；
Second judgment module, for judging whether the flash lamp opens the mode of being always on according to the state value；
Control module, for adjusting the brightness of the flash lamp when flash lamp unlatching is always on mode.
In a preferred embodiment, the first acquisition module is also used to call pre- when the flash lamp is opened
The function interface being first arranged is to obtain the current temperature value of the mainboard.
In a preferred embodiment, the second acquisition module includes:
Detection unit, for the present current value according to the flash lamp, with predetermined current threshold comparison described in determination
Use pattern of the flash lamp in current application scene；
Return unit, for returning to state value corresponding with the use pattern according to the use pattern of current application scene.
In a preferred embodiment, the flash lamp temperature control device further includes setup module；The setup module is used
In presetting the state value under the corresponding different use patterns of different application scene, and pass through the predetermined current of setting flash lamp
Threshold value identifies different application scene.
To achieve the goals above, the present invention also provides a kind of mobile terminal, including processor, memory and it is stored in institute
The computer program that can be run on memory and on the processor is stated, when the computer program is executed by the processor
The step of realizing above-mentioned flash lamp temperature control method.
Compared with prior art, the beneficial effects of the present invention are: can be opened in flash lamp and be always on mainboard temperature after mode
When spending high, the brightness for adjusting flash lamp in time increases the self-protection function of mobile terminal, avoids shadow to reduce temperature
Mobile terminal performance is rung, so that mobile terminal is more intelligent.
For enable invention above objects, features, and advantages be clearer and more comprehensible, present pre-ferred embodiments are cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the flow chart for the flash lamp temperature control method that present pre-ferred embodiments provide；
Fig. 2 is the sub-process figure of step S103 shown in Fig. 1；
Fig. 3 is the structural block diagram for the flash lamp temperature control device that present pre-ferred embodiments provide.
[specific embodiment]
It is clear in order to be more clear the purpose of the present invention, technical solution and advantageous effects, below in conjunction with attached drawing and
Specific embodiment, the present invention will be described in further detail.It should be understood that specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of flash lamp temperature control method, applied to the movement for being provided with flash lamp
In terminal.This method specifically includes the following steps:
Step S101 obtains the current temperature value of mainboard.
In step s101, it is provided with temperature sensor on the mainboard of mobile terminal, measured temperature value can be directly transmitted
It, can be with the current temperature value of real-time detection mainboard by temperature sensor to mainboard.In the present embodiment, the system of mobile terminal is
Android system obtains by work queue and judges temperature value, then the brightness of drive control flash lamp by kernel layers.Actually answer
It in, can directly be operated by sysfs file system, i.e., by one node file of operation, be directly realized by pair
Kernel layers of data manipulation.
In the present embodiment, by DEVICE_ATTR create flash lamp device node, with realize driving sys catalogue from
Dynamic creation file, and realize explicit function and write function, then sys can be created by cat and echo order in application layer
The file for building out is written and read driving equipment, for realizing interaction, realize the mesh of dynamics control devices in the process of running
's.
Further, step S101 is specifically included: when flash lamp is opened, calling pre-set function interface to obtain
The current temperature value of mainboard.
Wherein, it will create the interface of response when creating flash device file using DEVICE_ATTR, i.e., it is above-mentioned
Function interface.By initializing a delay working queue, work queue and function interface binding is opened in flash lamp starting
Begin to call, by one section of given minimum delay time after, such as setting is delayed 1s, and the task in work queue just can be with
Really execute.Specifically, i.e. mobile terminal detects that flash lamp open command, callable function connect after user opens flash lamp
Mouthful, bottom hardware driving is called by opening device file, starts the temperature actuated for executing flash lamp.
Step S102 judges whether current temperature value is more than preset temperature threshold.
In step s 102, above-mentioned preset temperature threshold is set as needed, such as is set as 53 DEG C, is recognized with meeting product
Card standard, it is not limited here.If current temperature value is more than preset temperature threshold, S103 is thened follow the steps；If current temperature value
It is less than preset temperature threshold, then keeps current state.
Step S103 obtains flash lamp and returns in current application scene if current temperature value is more than preset temperature threshold
State value.
In step s 103, application scenarios may include that the needs unlatchings such as flashlight scene, video recording scene are always on mode
Scene or the scene for opening flash mode, whether above-mentioned state value can reflect flash lamp opens under current scene is always on mould
Formula.Specifically, the corresponding state value of application scenarios is pre-stored in terminal, state value can use serial data, i.e. setting shape
State value is always on mode closing for 0 expression flash lamp, and setting state value indicates that flash lamp is always on mode unlatching when being greater than 0 for example, 1,
It is not limited here.
Step S104 judges whether flash lamp opens the mode of being always on according to state value.
In step S104, it is always on whether mode opens by what state value can directly judge flash lamp.If flash lamp is opened
The mode of being always on is opened, S105 is thened follow the steps；Otherwise, current state is kept.
Step S105 adjusts the brightness of flash lamp if flash lamp unlatching is always on mode.
In step s105, when judge current temperature value be more than preset temperature threshold and flash lamp unlatching be always on mode when,
The brightness for needing to control flash lamp, cools down, and to increase the self-protection function of terminal, mainboard temperature is avoided to be too high to
Flash lamp is adjusted in time.It is appreciated that when judging that current temperature value is less than preset temperature threshold and/or flash lamp and does not open often
When bright mode, do not need to operate flash lamp.
In one embodiment, the step of brightness of flash lamp is adjusted in step S105 may include: control flash lamp
Current value is zero to close flash lamp.That is to say, mainboard when the temperature is excessively high, flash lamp is automatically closed, effectively avoid it is mobile eventually
Fever phenomenon is held, defencive function is increased.
In other examples, the step of brightness of flash lamp is adjusted in step S105, may include: control flash lamp
Current value reduce to reduce the brightness of flash lamp.Specifically, can be in advance in the current adjustment parameters of bottom setting flash lamp, In
Increase within the scope of predetermined current with the increase setting current value fall of brightness, it should by being obtained when operation device node file
Current adjustment parameters directly adjust the current value of flash lamp, such as fall to the 10% of present current value, reduce the bright of flash lamp
Degree.Further, the current value of flash lamp can also be modified, such as the method for writing modification electric current of flash lamp value in advance, grasped
Make to call this method when device node file to modify current value, realizes the low current output of flash lamp.
Further, referring to Fig. 2, obtaining the state that flash lamp is returned in current application scene in above-mentioned steps S103
Value, can specifically include following sub-step:
Step S201 is compared according to the present current value of flash lamp with predetermined current threshold to determine flash lamp current
The use pattern of application scenarios.
Wherein, use pattern of the flash lamp under an application scenarios can be the mode of being always on or flash mode, need
Different current values is configured, the current value is associated with application scenarios, can mark by the way that the predetermined current threshold of flash lamp is arranged
Different application scene is known in order to distinguish, specifically, the bottom of Android system is arranged in predetermined current threshold, realizes that modularization is set
Meter.For example, presetting the predetermined current threshold that is always on mode of the flash lamp under flashlight scene is 200mA~500mA, if
When detecting present current value to meet predetermined current threshold and application scenarios being flashlight scene, then making for flash lamp can be determined
Use mode.In the present embodiment, the corresponding Status Name of application scenarios, such as setting flash lamp can also be set in flashlight scene
Status Name with video recording scene is respectively state1, state2, can when returning to state value to identify different application scenarios
Status Name is returned simultaneously, current application scene can be directly determined according to Status Name.
Step S202 returns to state value corresponding with the use pattern according to the use pattern of current application scene.
Wherein, above-mentioned state value is associated with application scenarios and is pre-set in mobile terminal.
It is appreciated that before step S101, further comprising the steps of: in the present embodiment and presetting different application scene pair
State value under the different use patterns answered, and different application scene is identified by the predetermined current threshold of setting flash lamp.
Flash lamp temperature control method provided in an embodiment of the present invention can be opened in flash lamp and be always on mainboard temperature mistake after mode
Gao Shi, the brightness for adjusting flash lamp in time increase the self-protection function of mobile terminal to reduce temperature, avoid influencing to move
Dynamic terminal capabilities, so that mobile terminal is more intelligent.
Based on above method embodiment, the embodiment of the present invention also provides a kind of flash lamp temperature control device 100, referring to Fig. 3,
It specifically includes:
First obtains module 10, for obtaining the current temperature value of mainboard.
First judgment module 20, for judging whether current temperature value is more than preset temperature threshold.
Second obtains module 30, for obtaining flash lamp and answering currently when current temperature value is more than preset temperature threshold
The state value returned with scene.
Second judgment module 40, for judging whether flash lamp opens the mode of being always on according to state value.
Control module 50, for adjusting the brightness of flash lamp when flash lamp unlatching is always on mode.
In one embodiment, the first above-mentioned acquisition module 10 is specifically used for: when flash lamp is opened, calling is set in advance
The function interface set is to obtain the current temperature value of mainboard.
In one embodiment, the second acquisition module 30 further comprises detection unit 31 and return unit 32.
Detection unit 31 is compared for the present current value according to flash lamp with predetermined current threshold to determine flash lamp
In the use pattern of current application scene；
Return unit 32, for returning to state corresponding with the use pattern according to the use pattern of current application scene
Value.
In one embodiment, flash lamp temperature control device 100 further includes setup module 60.Setup module 60, for preparatory
State value under the corresponding different use patterns of different application scene is set, and the predetermined current threshold by the way that flash lamp is arranged come
Identify different application scene.
It should be noted that earlier figures 1 into Fig. 2 embodiment, are also applied for the explanation of flash lamp temperature control method
The flash lamp temperature control device 100 of the embodiment, realization principle is similar, and details are not described herein again.
Further, the embodiment of the present invention also provides a kind of mobile terminal, including processor, memory and is stored in storage
On device and the computer program that can run on a processor.Above-mentioned flash lamp temperature control is realized when computer program is executed by processor
Step in embodiment of the method.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random
Access Memory), disk or CD etc..
It the above is merely preferred embodiments of the present invention, is to combine specific preferred embodiment made for the present invention
It is further described, and it cannot be said that specific implementation of the invention is confined to these explanations.It is all in the spirit and principles in the present invention
Within made any modifications, equivalent replacements, and improvements etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of flash lamp temperature control method, applied to the mobile terminal for being provided with flash lamp, which is characterized in that including following step
It is rapid:
Obtain the current temperature value of mainboard；
Judge whether the current temperature value is more than preset temperature threshold；
If the current temperature value is more than preset temperature threshold, the state that the flash lamp is returned in current application scene is obtained
Value；
Judge whether the flash lamp opens the mode of being always on according to the state value；
If the flash lamp unlatching is always on mode, the brightness of the flash lamp is adjusted.
2. flash lamp temperature control method as described in claim 1, which is characterized in that the step of the current temperature value for obtaining mainboard
Suddenly, comprising:
When flash lamp is opened, pre-set function interface is called to obtain the current temperature value of the mainboard.
3. flash lamp temperature control method as claimed in claim 2, which is characterized in that described to obtain the flash lamp in current application
The step of state value that scene returns, comprising:
According to the present current value of the flash lamp, compare with predetermined current threshold with the determination flash lamp in current application field
The use pattern of scape；
State value corresponding with the use pattern is returned according to the use pattern of current application scene.
4. flash lamp temperature control method as claimed in claim 3, which is characterized in that in the current temperature value for obtaining mainboard
Before step, further includes: preset the state value under the corresponding different use patterns of different application scene, and dodged by setting
The predetermined current threshold of light lamp identifies different application scene.
5. flash lamp temperature control method as claimed in claim 4, which is characterized in that if described judge that the flash lamp unlatching is always on
Mode, then the step of adjusting the brightness of the flash lamp, comprising: the current value for controlling the flash lamp reduces to reduce flash lamp
Brightness, or the current value of the control flash lamp is zero to close the flash lamp.
6. a kind of flash lamp temperature control device characterized by comprising
First obtains module, for obtaining the current temperature value of mainboard；
First judgment module, for judging whether the current temperature value is more than preset temperature threshold；
Second obtains module, for obtaining the flash lamp in current application when current temperature value is more than preset temperature threshold
The state value that scene returns；
Second judgment module, for judging whether the flash lamp opens the mode of being always on according to the state value；
Control module, for adjusting the brightness of the flash lamp when flash lamp unlatching is always on mode.
7. flash lamp temperature control device as claimed in claim 6, which is characterized in that the first acquisition module is also used to described
When flash lamp is opened, pre-set function interface is called to obtain the current temperature value of the mainboard.
8. flash lamp temperature control device as claimed in claim 7, which is characterized in that described second, which obtains module, includes:
Detection unit is compared for the present current value according to the flash lamp with predetermined current threshold with the determination flash of light
Use pattern of the lamp in current application scene；
Return unit, for returning to state value corresponding with the use pattern according to the use pattern of current application scene.
9. flash lamp temperature control method as claimed in claim 8 and device, which is characterized in that the flash lamp temperature control device also wraps
Include setup module；The setup module, for presetting the state value under the corresponding different use patterns of different application scene,
And different application scene is identified by the predetermined current threshold of setting flash lamp.
10. a kind of mobile terminal, which is characterized in that including processor, memory and be stored on the memory and can be in institute
The computer program run on processor is stated, such as claim 1 to 5 is realized when the computer program is executed by the processor
Any one of described in flash lamp temperature control method the step of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910638953.3A CN110519895A (en) | 2019-07-16 | 2019-07-16 | Flash lamp temperature control method, device and mobile terminal |
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|---|---|---|---|
| CN201910638953.3A CN110519895A (en) | 2019-07-16 | 2019-07-16 | Flash lamp temperature control method, device and mobile terminal |
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