CN109873949A - A kind of camera control system, camera control method and mobile terminal - Google Patents
A kind of camera control system, camera control method and mobile terminal Download PDFInfo
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- CN109873949A CN109873949A CN201910101429.2A CN201910101429A CN109873949A CN 109873949 A CN109873949 A CN 109873949A CN 201910101429 A CN201910101429 A CN 201910101429A CN 109873949 A CN109873949 A CN 109873949A
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- ccd camera
- camera assembly
- mobile terminal
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- hall sensor
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Abstract
The embodiment of the invention provides a kind of camera control system, camera control method and mobile terminals, are related to field of communication technology.The camera control system includes: processor, CCD camera assembly, driving structure, Hall sensor and magnetic texure；Wherein, the driving structure is connect with the CCD camera assembly respectively, and the CCD camera assembly is driven to move along preset direction；The magnetic texure is fixed in the CCD camera assembly or driving structure；The Hall sensor is connected to the processor, and is fixedly installed in the mobile terminal, and when the driving structure drives the CCD camera assembly mobile, the Hall sensor changes at a distance from the magnetic texure.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of camera control system, camera control method and
Mobile terminal.
Background technique
With development and user the stepping up for usage experience of comprehensive screen mobile terminal, mobile phone, tablet computer etc.
The display area of mobile terminal is increasing, and it is also higher and higher to shield accounting.
In order to avoid aperture placement front camera impacts the screen accounting of mobile terminal on the screen, existing skill
In art, telescopic front camera is often used.In the case where needing to use front camera progress self-timer, preposition camera shooting
Head can be stretched out from the inside of mobile terminal, and in the case where not needing using front camera, front camera can be retracted
The inside of mobile terminal does not influence the appearance of mobile terminal.
In existing mobile terminal, often through the stretching or retraction of camera control system control camera.Specifically
Ground, existing camera control system may include: processor, driving structure and multiple Hall sensors；Wherein, processor
It can be connect respectively with driving structure and multiple Hall sensors, magnetic texure can be then equipped on camera.In camera
In mobile process, the magnetic field strength that each Hall sensor detects can also change；It is detected by multiple Hall sensors
The magnetic field strength arrived can judge the physical location of camera；According to the physical location of camera, processor can control drive
Dynamic structure driving camera is mobile or stops movement.
However, due to the higher cost of Hall sensor, and it is more that setting is generally required in existing camera control system
A Hall sensor, therefore, it is very easy to cause the cost of existing camera control system accordingly higher.Moreover, existing take the photograph
As needing to integrate the magnetic field strength that multiple Hall sensors detect, could judge the realization position of camera in head control system
It sets, the logic of judgement is complex.
Summary of the invention
In view of this, in order to solve in existing mobile terminal, the higher cost of camera control system, and control logic
Complex problem, the embodiment of the present invention propose a kind of camera control system, a kind of camera control method and one
Kind mobile terminal.
In a first aspect, being applied to mobile terminal the embodiment of the invention discloses a kind of camera control system, comprising: place
Manage device, CCD camera assembly, driving structure, Hall sensor and magnetic texure；Wherein
The driving structure is connect with the CCD camera assembly and the processor respectively, drives the CCD camera assembly edge
Preset direction is mobile；
The magnetic texure is fixed in the CCD camera assembly or driving structure；
The Hall sensor is connected to the processor, and is fixedly installed in the mobile terminal, when the driving is tied
When structure drives the CCD camera assembly mobile, the Hall sensor changes at a distance from the magnetic texure.
Second aspect, the embodiment of the invention also discloses a kind of camera control methods, are applied to above-mentioned camera and control
System, comprising:
Obtain the magnetic field strength that the Hall sensor detects；
According to the magnetic field strength, controls driving structure and the CCD camera assembly is driven to move along preset direction.
The third aspect, the embodiment of the invention also discloses a kind of mobile terminals, comprising:
Obtain module, the magnetic field strength detected for obtaining the Hall sensor；
Control module, for controlling driving structure and driving the CCD camera assembly along default side according to the magnetic field strength
To movement.
The embodiment of the present invention includes following advantages:
In the embodiment of the present invention, since the driving structure is connect with the CCD camera assembly and the processor respectively,
The CCD camera assembly is driven to move along preset direction, the magnetic texure is fixed on the CCD camera assembly or driving structure
On；The Hall sensor is connected to the processor, and is fixedly installed in the mobile terminal, when the driving structure drives
When the CCD camera assembly is mobile, the Hall sensor changes at a distance from the magnetic texure.In practical applications,
In the case where the Hall sensor changes at a distance from the magnetic texure, institute that the Hall sensor detects
The magnetic field strength for stating magnetic texure also can and then change the magnetic field strength for the magnetic texure that the Hall sensor detects
It can be used for judging the pressing operation in the physical location and the CCD camera assembly of the CCD camera assembly.The processor is then
The camera group can be controlled according to the pressing operation in the physical location and the CCD camera assembly of the CCD camera assembly
Part is mobile.That is, in the camera control system of the embodiment of the present invention, only pass through a Hall sensor it may determine that
Pressing operation in the physical location of the CCD camera assembly and the CCD camera assembly, in order to which the processor is according to
Pressing operation in the physical location of CCD camera assembly and the CCD camera assembly controls the CCD camera assembly movement, reduces
The cost of system, and control logic is relatively simple.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of camera control system of the present invention；
Fig. 2 is a kind of step flow chart of camera control method of the present invention；
Fig. 3 is a kind of structural block diagram of mobile terminal of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment one
Referring to Fig.1, a kind of structural schematic diagram of camera control system of the invention is shown, which can be applied to
Mobile terminal, the system can specifically include: processor 10, CCD camera assembly 11, driving structure 12, Hall sensor 13 and
Magnetic texure 14.
Wherein, driving structure 12 is connect with CCD camera assembly 11 and processor 10 respectively, drives CCD camera assembly 11 along pre-
Set direction is mobile.
Magnetic texure 14 is fixed in CCD camera assembly 11 or driving structure 12.
Hall sensor 13 is connect with processor 10, is fixedly installed in the mobile terminal, when driving structure 12 drives
When CCD camera assembly 11 is mobile, Hall sensor 13 changes at a distance from magnetic texure 14.
In the embodiment of the present invention, since magnetic texure 14 is fixed on CCD camera assembly 11 or driving assembly 12, imaging
During head assembly 11 is moved along the preset direction, magnetic texure 14 can be with CCD camera assembly 11 or driving assembly 12
It moves together, Hall sensor 13 changes at a distance from magnetic texure 14.With Hall sensor 13 and magnetic texure 14
Distance change, the magnetic field strength for the magnetic texure 14 that Hall sensor 13 detects also can and then change.
In practical applications, the magnetic field strength for the magnetic texure 14 that Hall sensor 13 detects can be used for judging imaging
Pressing operation in the physical location and CCD camera assembly 11 of head assembly 11.Processor 10 then can be according to CCD camera assembly 11
Pressing operation in physical location and CCD camera assembly 11, control CCD camera assembly 11 are mobile.That is, the embodiment of the present invention
Camera control system in, only pass through a Hall sensor 13 it may determine that the physical location of CCD camera assembly 11 and taking the photograph
As the pressing operation in head assembly 11, in order to which processor 10 is according to the physical location and CCD camera assembly 11 of CCD camera assembly 11
On pressing operation, control CCD camera assembly 11 is mobile, and cost is relatively low for system, and control logic is relatively simple.
In the embodiment of the present invention, CCD camera assembly 11 is equipped with the first predeterminated position and second on the preset direction and presets
Position；Wherein, in the case where CCD camera assembly 11 is moved to first predeterminated position or the second predeterminated position, hall sensing
Device 13 can be concordant with magnetic texure 14.
In practical applications, CCD camera assembly 11 may include stretching out to move and retract shifting along the movement of the preset direction
It is dynamic to retract.Specifically, CCD camera assembly 11 can be moved by stretching out, and stretched out, shot from the inside of the mobile terminal,
When the stretching of CCD camera assembly 11 is moved to the stretching extreme position, CCD camera assembly 11 will be unable to continue to stretch out fortune
It is dynamic.Similarly, CCD camera assembly 11 can be moved by retracting, and be retracted to the inside of the mobile terminal, do not influenced the movement
The appearance of terminal, when the retraction of CCD camera assembly 11 is moved to the retraction extreme position, CCD camera assembly 11 will be unable to continue
Carry out retraction movement.
Specifically, first predeterminated position is the pole that the camera retracts the mobile terminal along the preset direction
Extreme position, second predeterminated position are the extreme position that the camera stretches out the mobile terminal along the preset direction.
Hall sensor 13 can be set in, in the case where CCD camera assembly 11 is moved to first predeterminated position with magnetic texure
14 concordant positions, alternatively, Hall sensor 13 can be set in being moved to second predeterminated position in CCD camera assembly 11
In the case where the position concordant with magnetic texure 14.The embodiment of the present invention can not do the specific location of Hall sensor 13
It limits.
In the embodiment of the present invention, since Hall sensor 13 is set to, to be moved to described first in CCD camera assembly 11 default
The position concordant with magnetic texure 14 in the case where position or second predeterminated position, according to the original of the monotone variation in magnetic field
Reason, the magnetic field strength for the magnetic texure 14 that Hall sensor 13 detects can be used for judging the physical location of CCD camera assembly 11
With the pressing operation on CCD camera assembly 11.
Specifically, the monotone variation in the magnetic field can specifically be showed themselves in that since Hall sensor 13 is arranged in camera
Component 11 is moved to concordant with magnetic texure 14 position in the case where first predeterminated position or second predeterminated position,
In this way, during CCD camera assembly 11 carries out stretching out mobile or retraction movement, due to magnetic texure 14 and hall sensing
The distance between device 13 is always increased monotonically or monotone decreasing, the magnetic field for the magnetic texure 14 that Hall sensor 13 detects
What intensity always dullness increase or dullness reduced.In this way, the magnetic field of the magnetic texure 14 detected by Hall sensor 13
The variation tendency of intensity, it can be determined that go out the physical location of magnetic texure 14, in turn, it can be determined that go out the reality of CCD camera assembly 11
Border position and pressing operation.
In the embodiment of the present invention, processor 10 can be according in the physical location and CCD camera assembly 11 of CCD camera assembly 11
Pressing operation, control CCD camera assembly 11 is mobile.That is, only leading in the camera control system of the embodiment of the present invention
A Hall sensor 14 is crossed it may determine that pressing operation in the physical location and CCD camera assembly 11 of CCD camera assembly 11,
In order to which processor 10 can be taken the photograph according to the pressing operation in the physical location and CCD camera assembly 11 of CCD camera assembly 11, control
As the movement of head assembly 11, cost is relatively low for system, and control logic is relatively simple.
In the embodiment of the present invention, CCD camera assembly 11 may include: camera 111, moving support structure 112 and movement
Buffer structure 113, wherein moving support structure 112 is connected to camera 111, is used to support the movement of camera 111；It is mobile
Buffer structure 113 is connect with moving support structure 112, driving structure 12 respectively.
In practical applications, moving support structure 112 can be used for that camera 111 is supported to be moved, and mobile cushioning
Structure 113 can then buffer the impact in 111 moving process of camera, and camera 111 is allowed gently to carry out stretching shifting
Dynamic or retraction movement.Specifically, mobile cushioning structure 113 can be capable of the structure of shock absorbing for spring etc..
In the embodiment of the present invention, driving structure 12 may include: motor 121 and the motor driven that connect with motor 121
Structure 122；Wherein, motor-driven structure 122 is connect with processor 10；Motor 121 is connect with CCD camera assembly 11.Actually answering
In, under control of processor 10, motor-driven structure 122 can drive CCD camera assembly 11 to be moved with driving motor 121
It is dynamic.
Specifically, motor 121 can be preferably micromotor, and motor-driven structure 122 can be preferably worm and gear etc.
Driving structure, the embodiment of the present invention can be without limitation for the concrete type of motor 121 and motor-driven structure 122.
In an alternative embodiment of the invention, in first predeterminated position, i.e., Hall sensor 13 can be set
Hall sensor 13 is set to flat with magnetic texure 14 in the case where CCD camera assembly 11 is moved to the retraction extreme position
Neat position.
In the case where Hall sensor 13 is set to first predeterminated position, movement is stretched out in CCD camera assembly 11
In the process, if the magnetic field strength that Hall sensor 13 detects decreases below the first preset value, and it is default first
In the case where being no longer changed in time, then driving structure 12 can stop driving CCD camera assembly 11.
In the case where Hall sensor 13 is set to first predeterminated position, movement is retracted in CCD camera assembly 11
In the process, if the magnetic field strength that Hall sensor 13 detects is increased above the second preset value, and described second
In the case where being no longer changed in preset time, then driving structure 12 can stop driving CCD camera assembly 11.
In the case where Hall sensor 13 is set to first predeterminated position, movement is stretched out in CCD camera assembly 11
In the process, it if in the case of Hall sensor 13 detects that the magnetic field strength continuously enlarges, controls the driving of driving structure 12 and takes the photograph
As head assembly 11 retracts the mobile terminal.
In the case where Hall sensor 13 is set to first predeterminated position, stretching shifting is carried out in CCD camera assembly 11
When dynamic, always it is increased monotonically due to the distance between magnetic texure 14 and Hall sensor 13, correspondingly, Hall sensor 13
The magnetic field strength detected always dull reduction.During CCD camera assembly 11 stretches out mobile, if Hall sensor 13
The magnetic field strength detected decreases below the first preset value, and be no longer changed in first preset time
In the case of, it may be considered that CCD camera assembly 11 has been moved into the stretching extreme position, at this point, processor 10 can be controlled
Driving structure 12 processed drives CCD camera assembly 11 to stop movement.
In practical applications, the magnetic field that can be generated to Hall sensor 13 to magnetic field structure 14 in laboratory conditions is strong
Degree is demarcated.Specifically, the maximum value of magnetic field that magnetic field structure 14 generates Hall sensor 13 can use BmaxIt indicates, it is minimum
Value can use BminIt indicates.
In the embodiment of the present invention, the first preset value may be set according to actual conditions, for example, the first preset value can be with are as follows:
Bmin+(Bmax-Bmin) * 5%, Bmin+(Bmax-Bmin) * 6% or Bmin+(Bmax-Bmin) * 8%.It can also set according to the actual situation
Fixed first preset time, such as: 0.5 second, 0.8 second or 1 second etc..The embodiment of the present invention is default for the first preset value and first
The particular content of time can be without limitation.
It is B in the first preset value in specifically applyingmin+(Bmax-Bmin) * 5%, the first preset time is 0.5 second
In the case of, during CCD camera assembly 11 stretches out mobile, when the magnetic field strength that Hall sensor 13 detects reduces
To less than Bmin+(Bmax-Bmin) * 5%, and in the case where be no longer changed in 0.5 second, it may be considered that CCD camera assembly
11 have been moved into the stretching extreme position, at this point, processor 10, which can control driving structure 12, drives CCD camera assembly
11 stop movement.
In the case where Hall sensor 13 is set to first predeterminated position, retraction shifting is carried out in CCD camera assembly 11
When dynamic, reduce since the distance between magnetic texure 14 and Hall sensor 13 are always dull, correspondingly, Hall sensor 13
The magnetic field strength detected always dull increase.During CCD camera assembly 11 retracts mobile, when Hall sensor 13
The magnetic field strength detected is increased above the second preset value, and in the case where being no longer changed within a preset time,
It may be considered that CCD camera assembly 11 has been moved into the retraction extreme position, at this point, processor 10 can control driving
Structure 12 drives CCD camera assembly 11 to stop movement.
In the embodiment of the present invention, the second preset value can be set according to the actual situation, for example, second preset value
It can be with are as follows: Bmin+(Bmax-Bmin) * 95%, Bmin+(Bmax-Bmin) * 94% or Bmin+(Bmax-Bmin) * 92%.Second it is default when
Between can also be set according to the actual situation, such as: 0.5 second, 0.8 second or 1 second etc..The embodiment of the present invention is pre- for second
If the particular content of value and the second preset time can be without limitation.
It is B in the second preset value in specifically applyingmin+(Bmax-Bmin) * 95%, preset time be 0.5 second the case where
Under, during CCD camera assembly 11 retracts mobile, if the magnetic field strength that Hall sensor 13 detects increases to greatly
In Bmin+(Bmax-Bmin) * 95%, and in the case where be no longer changed in 0.5 second, it may be considered that CCD camera assembly 11 is
It is moved to the retraction extreme position, drives CCD camera assembly 11 to stop at this point, processor 10 can control driving structure 12
Only move.
In the case where Hall sensor 13 is set to first predeterminated position, movement is stretched out in CCD camera assembly 11
In the process, in the case that Hall sensor 13 detects that the magnetic field strength has the tendency that continuously enlarging, processor 10 can be with
Control driving structure 12 drives CCD camera assembly 11 to retract the mobile terminal.
In practical applications, it may include that CCD camera assembly 11 is motionless that the CCD camera assembly 11, which stretches out mobile process,
Process or CCD camera assembly 11 stretch out mobile process.Specifically, in the case where CCD camera assembly is motionless, Hall sensor
13 magnetic field strengths that detect should be it is constant, during CCD camera assembly 11 stretches out mobile, Hall sensor
13 magnetic field strengths detected should continue to reduce.Namely, it carries out stretching out movement in CCD camera assembly 11
In the process, the magnetic field strength that Hall sensor 13 detects should be constant or lasting reduction.
In the embodiment of the present invention, during CCD camera assembly 11 stretches out mobile, when Hall sensor 13 detects institute
Stating magnetic field strength has the tendency that in the case where continuously enlarging, it may be considered that CCD camera assembly 11 receives pressing operation, also
It is to say, user needs CCD camera assembly 11 by compression and back.At this point, processor 10, which can control driving structure 12, drives camera
Component 11 carries out retraction movement, realizes the automatic retraction of CCD camera assembly 11, improves the user experience.
In another alternative embodiment of the invention, Hall sensor 13 be can be set in second predeterminated position,
I.e. Hall sensor 13 be set in the case where CCD camera assembly 11 is moved to the stretching extreme position with magnetic texure 14
Concordant position.
In the case where Hall sensor 13 is set to second predeterminated position, movement is stretched out in CCD camera assembly 11
In the process, if the magnetic field strength that Hall sensor 13 detects is increased above third preset value, and it is default in third
In the case where being no longer changed in time, then it can control driving structure 12 and stop driving CCD camera assembly 11.
In the case where Hall sensor 13 is set to second predeterminated position, movement is retracted in CCD camera assembly 11
In the process, if the magnetic field strength that Hall sensor 13 detects decreases below four preset values, and the described 4th
In the case where being no longer changed in preset time, then it can control driving structure 12 and stop driving CCD camera assembly 11.
In the case where Hall sensor 13 is set to second predeterminated position, movement is stretched out in CCD camera assembly 11
In the process, in the case that Hall sensor 13 detects that the magnetic field strength has the tendency that being continuously reduced, processor 10 can be with
Control driving structure 12 drives CCD camera assembly 11 to retract the mobile terminal.
In the case where Hall sensor 13 is set to second predeterminated position, stretching shifting is carried out in CCD camera assembly 11
When dynamic, reduce since the distance between magnetic texure 14 and Hall sensor 13 are always dull, correspondingly, Hall sensor 13
The magnetic field strength detected always dull increase.During CCD camera assembly 11 stretches out mobile, when Hall sensor 13
The magnetic field strength detected is increased above third preset value, and be no longer changed in the third preset time
In the case of, it may be considered that CCD camera assembly 11 has been moved into the stretching extreme position, at this point, processor 10 can be controlled
Driving structure 12 processed stops driving CCD camera assembly 11.
In the case where Hall sensor 13 is set to second predeterminated position, retraction shifting is carried out in CCD camera assembly 11
When dynamic, increase since the distance between magnetic texure 14 and Hall sensor 13 are always dull, correspondingly, Hall sensor 13
The magnetic field strength detected always dull reduction.During CCD camera assembly 11 retracts mobile, when Hall sensor 13
The magnetic field strength detected decreases below the 4th preset value, and be no longer changed in the 4th preset time
In the case of, it may be considered that CCD camera assembly 11 has been moved into the retraction extreme position, at this point, processor 10 can be controlled
Driving structure 12 processed stops driving CCD camera assembly 11.
In the case where Hall sensor 13 is set to second predeterminated position, movement is stretched out in CCD camera assembly 11
In the process, if Hall sensor 13 detects that the magnetic field strength has the tendency that in the case where being continuously reduced, it can control drive
Dynamic structure 12 drives CCD camera assembly 11 to retract the mobile terminal.
It is understood that judging CCD camera assembly 11 when Hall sensor 13 is set to second predeterminated position
The realization procedural details of physical location and the pressing operation on CCD camera assembly 11 are referred to Hall sensor 13 and are set to institute
Realization procedural details when the first predeterminated position are stated, this will not be repeated here.
To sum up, camera control system described in the embodiment of the present invention includes at least following advantages:
In the embodiment of the present invention, since the driving structure is connect with the CCD camera assembly and the processor respectively,
The CCD camera assembly is driven to move along preset direction, the magnetic texure is fixed on the CCD camera assembly or driving structure
On；The Hall sensor is connected to the processor, and is fixedly installed in the mobile terminal, when the driving structure drives
When the CCD camera assembly is mobile, the Hall sensor changes at a distance from the magnetic texure.In practical applications,
In the case where the Hall sensor changes at a distance from the magnetic texure, institute that the Hall sensor detects
The magnetic field strength for stating magnetic texure also can and then change, the magnetic field strength for the magnetic texure that the Hall sensor detects
It can be used for judging the pressing operation in the physical location and the CCD camera assembly of the CCD camera assembly.The processor is then
The camera group can be controlled according to the pressing operation in the physical location and the CCD camera assembly of the CCD camera assembly
Part is mobile.That is, in the camera control system of the embodiment of the present invention, only pass through a Hall sensor it may determine that
Pressing operation in the physical location of the CCD camera assembly and the CCD camera assembly, in order to which the processor is according to
Pressing operation in the physical location of CCD camera assembly and the CCD camera assembly controls the CCD camera assembly movement, system
Cost is relatively low, and control logic is relatively simple.
Embodiment two
Referring to Fig. 2, a kind of step flow chart of camera control method of the invention is shown, this method can be applied to
Above-mentioned camera control system, this method can specifically include:
Step 201: obtaining the magnetic field strength that the Hall sensor detects.
In the embodiment of the present invention, since the magnetic texure is fixed on the CCD camera assembly or the driving structure
On, during the CCD camera assembly is moved along the preset direction, the magnetic texure can be with the camera
Component or the driving structure move together.With the movement of the magnetic texure, institute that the Hall sensor detects
The magnetic field strength for stating magnetic texure also can and then change.
In the embodiment of the present invention, the CCD camera assembly may include stretching out to move and contract along the movement of the preset direction
Return is dynamic.Specifically, the CCD camera assembly can be moved by stretching out, and stretched out, clapped from the inside of the mobile terminal
It takes the photograph, when CCD camera assembly stretching is moved to the stretching extreme position, the CCD camera assembly will be unable to continue
Stretch out motion.Similarly, the CCD camera assembly can be moved by retracting, and be retracted to the inside of the mobile terminal, do not influenced
The appearance of the mobile terminal, when CCD camera assembly retraction is moved to the retraction extreme position, the camera group
Part will be unable to continue retraction movement.
In practical applications, the Hall sensor can be set in the first predeterminated position, and first predeterminated position is
The position concordant with the magnetic texure in the case where the CCD camera assembly is moved to the retraction extreme position, alternatively,
The Hall sensor can be set in the second predeterminated position.Second predeterminated position is moved to institute in the CCD camera assembly
State position concordant with the magnetic texure in the case where stretching out extreme position.The embodiment of the present invention is for the Hall sensor
Specific location can be without limitation.
In the embodiment of the present invention, since the Hall sensor is set in first predeterminated position or described second pre-
If position, according to the principle of the monotone variation in magnetic field, the magnetic field strength for the magnetic texure that the Hall sensor detects
It can be used for judging the pressing operation in the physical location and the CCD camera assembly of the CCD camera assembly.
Specifically, the monotone variation in the magnetic field can specifically be showed themselves in that since the Hall sensor is arranged described
CCD camera assembly is moved to first predeterminated position or second predeterminated position, in this way, carrying out in the CCD camera assembly
During stretching out mobile or retraction movement, since the distance between the magnetic texure and the Hall sensor are always single
Adjust plus monotone decreasing, the magnetic field strength of the magnetic texure that the Hall sensor detects is always dull to be increased
Or dull reduction.In this way, the variation of the magnetic field strength of the magnetic texure detected by the Hall sensor becomes
Gesture, it can be determined that go out the magnetic texure physical location, in turn, it can be determined that go out the CCD camera assembly physical location and
Pressing operation.
Step 202: according to the magnetic field strength, controlling driving structure and the CCD camera assembly is driven to move along preset direction
It is dynamic.
In the embodiment of the present invention, the processor can physical location according to the CCD camera assembly and the camera
It is mobile to control the CCD camera assembly for pressing operation on component.That is, the camera control system of the embodiment of the present invention
In, only by a Hall sensor it may determine that the physical location of the CCD camera assembly and the CCD camera assembly
On pressing operation, in order to which the processor can physical location according to the CCD camera assembly and the CCD camera assembly
On pressing operation, control that the CCD camera assembly is mobile, and cost is relatively low for system, and control logic is relatively simple.
In an alternative embodiment of the invention, the case where the CCD camera assembly is moved to the first predeterminated position
Under, the Hall sensor is concordant with the magnetic texure, and first predeterminated position is the camera along the default side
To the extreme position for retracting the mobile terminal.It is described according to the magnetic field strength, control and taken the photograph described in the driving structure driving
As head assembly may include: along the step that the preset direction moves
During the CCD camera assembly stretches out the mobile terminal along the preset direction, if the magnetic field strength
The first preset value is decreased below, and is no longer changed in the first preset time, then the driving structure stops driving institute
State CCD camera assembly.
During the CCD camera assembly retracts the mobile terminal along the presetting method, if the magnetic field strength
Increase to and be greater than the second preset value, and be no longer changed in the second preset time, then controls the driving structure and stop driving
Move the CCD camera assembly.
In the case where the CCD camera assembly stretches out the mobile terminal, if the magnetic field strength continuously enlarges, control
Making the driving structure drives the CCD camera assembly to retract the mobile terminal.
In another alternative embodiment of the invention, the case where the CCD camera assembly is moved to the second predeterminated position
Under, the Hall sensor is concordant with the magnetic texure, and second predeterminated position is the camera along the default side
To the extreme position for stretching out the mobile terminal；
It is described according to the magnetic field strength, control the driving structure and drive the CCD camera assembly along the preset direction
Mobile step includes:
During the CCD camera assembly stretches out the mobile terminal along the preset direction, if the magnetic field strength
It is increased above third preset value, and is no longer changed in third preset time, then controls the driving structure and stops driving
Move the CCD camera assembly；
During the CCD camera assembly retracts the mobile terminal along the preset direction, if the magnetic field strength
The 4th preset value is decreased below, and is no longer changed in the 4th preset time, then controls the driving structure and stops driving
Move the CCD camera assembly.
To sum up, camera control method described in the embodiment of the present invention includes at least following advantages:
In the embodiment of the present invention, since the driving structure is connect with the CCD camera assembly and the processor respectively,
The CCD camera assembly is driven to move along preset direction, the magnetic texure is fixed on the CCD camera assembly or driving structure
On；The Hall sensor is connected to the processor, and is fixedly installed in the mobile terminal, when the driving structure drives
When the CCD camera assembly is mobile, the Hall sensor changes at a distance from the magnetic texure.In practical applications,
In the case where the Hall sensor changes at a distance from the magnetic texure, institute that the Hall sensor detects
The magnetic field strength for stating magnetic texure also can and then change, the magnetic field strength for the magnetic texure that the Hall sensor detects
It can be used for judging the pressing operation in the physical location and the CCD camera assembly of the CCD camera assembly.The processor is then
The camera group can be controlled according to the pressing operation in the physical location and the CCD camera assembly of the CCD camera assembly
Part is mobile.That is, in the camera control system of the embodiment of the present invention, only pass through a Hall sensor it may determine that
Pressing operation in the physical location of the CCD camera assembly and the CCD camera assembly, in order to which the processor is according to
Pressing operation in the physical location of CCD camera assembly and the CCD camera assembly controls the CCD camera assembly movement, system
Cost is relatively low, and control logic is relatively simple.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
For embodiment of the method, since it is substantially similar to Installation practice, so be described relatively simple, it is related
Place illustrates referring to the part of embodiment of the method.
Embodiment three
Referring to Fig. 3, a kind of structural block diagram of mobile terminal of the invention is shown, specifically, the mobile terminal can be with
Including but not limited to mobile phone, tablet computer, any one in Wearable equipment.Mobile terminal 300 can specifically include:
Module 301 is obtained, for obtaining the magnetic field strength of the Hall sensor detection.
Control module 302, for controlling driving structure and driving the CCD camera assembly along default according to the magnetic field strength
Direction is mobile.
Optionally, in the case where the CCD camera assembly is moved to the first predeterminated position, the Hall sensor and institute
State that magnetic texure is concordant, first predeterminated position is the pole that the camera retracts the mobile terminal along the preset direction
Extreme position.
Then control module 302 may include:
First stretches out control submodule, for stretching out the mobile terminal along the preset direction in the CCD camera assembly
During, if the magnetic field strength decreases below the first preset value, and it is no longer changed in the first preset time, then
The driving structure stops driving the CCD camera assembly.
First retracts control submodule, for retracting the mobile terminal along the presetting method in the CCD camera assembly
During, if the magnetic field strength increases to greater than the second preset value, and is no longer changed in the second preset time, then
The driving structure is controlled to stop driving the CCD camera assembly.
First pressing control submodule, is used in the case where the CCD camera assembly stretches out the mobile terminal, if institute
It states magnetic field strength to continuously enlarge, then controls the driving structure and the CCD camera assembly is driven to retract the mobile terminal.
Optionally, in the case where the CCD camera assembly is moved to the second predeterminated position, the Hall sensor and institute
State that magnetic texure is concordant, second predeterminated position is the pole that the camera stretches out the mobile terminal along the preset direction
Extreme position
Then control module 302 may include:
Second stretches out control submodule, for stretching out the mobile terminal along the preset direction in the CCD camera assembly
During, if the magnetic field strength is increased above third preset value, and it is no longer changed in third preset time, then
The driving structure is controlled to stop driving the CCD camera assembly.
Second retracts control submodule, for retracting the mobile terminal along the preset direction in the CCD camera assembly
During, if the magnetic field strength decreases below the 4th preset value, and it is no longer changed in the 4th preset time, then
The driving structure is controlled to stop driving the CCD camera assembly.
Second pressing control submodule, is used in the case where the CCD camera assembly stretches out the mobile terminal, if institute
It states magnetic field strength to be continuously reduced, then controls the driving structure and the CCD camera assembly is driven to retract the mobile terminal.
To sum up, mobile terminal described in the embodiment of the present invention at least may include following advantages:
In the embodiment of the present invention, since the driving structure is connect with the CCD camera assembly and the processor respectively,
The CCD camera assembly is driven to move along preset direction, the magnetic texure is fixed on the CCD camera assembly or driving structure
On；The Hall sensor is connected to the processor, and is fixedly installed in the mobile terminal, when the driving structure drives
When the CCD camera assembly is mobile, the Hall sensor changes at a distance from the magnetic texure.In practical applications,
In the case where the Hall sensor changes at a distance from the magnetic texure, institute that the Hall sensor detects
The magnetic field strength for stating magnetic texure also can and then change, the magnetic field strength for the magnetic texure that the Hall sensor detects
It can be used for judging the pressing operation in the physical location and the CCD camera assembly of the CCD camera assembly.The processor is then
The camera group can be controlled according to the pressing operation in the physical location and the CCD camera assembly of the CCD camera assembly
Part is mobile.That is, in the camera control system of the embodiment of the present invention, only pass through a Hall sensor it may determine that
Pressing operation in the physical location of the CCD camera assembly and the CCD camera assembly, in order to which the processor is according to
Pressing operation in the physical location of CCD camera assembly and the CCD camera assembly controls the CCD camera assembly movement, system
Cost is relatively low, and control logic is relatively simple.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of camera control system provided by the present invention, a kind of camera control method, a kind of camera
Control device and a kind of mobile terminal, are described in detail, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention
There is change place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of camera control system is applied to mobile terminal characterized by comprising processor, CCD camera assembly, drive
Dynamic structure, Hall sensor and magnetic texure；Wherein
The driving structure is connect with the CCD camera assembly and the processor respectively, drives the CCD camera assembly along default
Direction is mobile；
The magnetic texure is fixed in the CCD camera assembly or driving structure；
The Hall sensor is connected to the processor, and is fixedly installed in the mobile terminal, when the driving structure is driven
When moving CCD camera assembly movement, the Hall sensor changes at a distance from the magnetic texure.
2. system according to claim 1, which is characterized in that the CCD camera assembly be moved to the first predeterminated position or
In the case where second predeterminated position, the Hall sensor is concordant with the magnetic texure.
3. system according to claim 2, which is characterized in that first predeterminated position is the camera along described pre-
Set direction retracts the extreme position of the mobile terminal, and second predeterminated position is that the camera is stretched along the preset direction
The extreme position of the mobile terminal out.
4. a kind of camera control method is applied to the described in any item camera control systems of claims 1 to 3, feature
It is, comprising:
Obtain the magnetic field strength that the Hall sensor detects；
According to the magnetic field strength, controls driving structure and the CCD camera assembly is driven to move along preset direction.
5. according to the method described in claim 4, it is characterized in that, being moved to the first predeterminated position in the CCD camera assembly
In the case of, the Hall sensor is concordant with the magnetic texure, and first predeterminated position is the camera along described pre-
Set direction retracts the extreme position of the mobile terminal；
It is described according to the magnetic field strength, control the driving structure and the CCD camera assembly driven to move along the preset direction
The step of include:
During the CCD camera assembly stretches out the mobile terminal along the preset direction, if the magnetic field strength reduces
It is no longer changed to less than the first preset value, and in the first preset time, then the driving structure stops taking the photograph described in driving
As head assembly；
During the CCD camera assembly retracts the mobile terminal along the presetting method, if the magnetic field strength increases
It to the second preset value is greater than, and is no longer changed in the second preset time, then controls the driving structure and stop driving institute
State CCD camera assembly.
6. according to the method described in claim 5, it is characterized in that, described according to the magnetic field strength, the control driving knot
The step that structure drives the CCD camera assembly to move along the preset direction includes:
In the case where the CCD camera assembly stretches out the mobile terminal, if the magnetic field strength continuously enlarges, institute is controlled
Stating driving structure drives the CCD camera assembly to retract the mobile terminal.
7. according to the method described in claim 4, it is characterized in that, being moved to the second predeterminated position in the CCD camera assembly
In the case of, the Hall sensor is concordant with the magnetic texure, and second predeterminated position is the camera along described pre-
Set direction stretches out the extreme position of the mobile terminal；
It is described according to the magnetic field strength, control the driving structure and the CCD camera assembly driven to move along the preset direction
The step of include:
During the CCD camera assembly stretches out the mobile terminal along the preset direction, if the magnetic field strength increases
It to third preset value is greater than, and is no longer changed in third preset time, then controls the driving structure and stop driving institute
State CCD camera assembly；
During the CCD camera assembly retracts the mobile terminal along the preset direction, if the magnetic field strength reduces
It is no longer changed to less than the 4th preset value, and in the 4th preset time, then controls the driving structure and stop driving institute
State CCD camera assembly.
8. the method according to the description of claim 7 is characterized in that described according to the magnetic field strength, the control driving knot
The step that structure drives the CCD camera assembly to move along the preset direction includes:
In the case where the CCD camera assembly stretches out the mobile terminal, if the magnetic field strength is continuously reduced, institute is controlled
Stating driving structure drives the CCD camera assembly to retract the mobile terminal.
9. a kind of mobile terminal characterized by comprising
Module is obtained, for obtaining the magnetic field strength of the Hall sensor detection；
Control module, for controlling driving structure and the CCD camera assembly being driven to move along preset direction according to the magnetic field strength
It is dynamic.
10. mobile terminal according to claim 9, which is characterized in that it is default to be moved to first in the CCD camera assembly
In the case where position, the Hall sensor is concordant with the magnetic texure, and first predeterminated position is the camera edge
The preset direction retracts the extreme position of the mobile terminal；
The control module includes:
First stretches out control submodule, for stretching out the mistake of the mobile terminal along the preset direction in the CCD camera assembly
Cheng Zhong if the magnetic field strength decreases below the first preset value, and is no longer changed in the first preset time, then described
Driving structure stops driving the CCD camera assembly；
First retracts control submodule, for retracting the mistake of the mobile terminal along the presetting method in the CCD camera assembly
Cheng Zhong is then controlled if the magnetic field strength increases to greater than the second preset value, and is no longer changed in the second preset time
The driving structure stops driving the CCD camera assembly.
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| CN201910101429.2A CN109873949A (en) | 2019-01-31 | 2019-01-31 | A kind of camera control system, camera control method and mobile terminal |
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| CN201910101429.2A CN109873949A (en) | 2019-01-31 | 2019-01-31 | A kind of camera control system, camera control method and mobile terminal |
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Application publication date: 20190611 |