CN206020782U - Camera lens module - Google Patents
Camera lens module Download PDFInfo
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- CN206020782U CN206020782U CN201621037427.XU CN201621037427U CN206020782U CN 206020782 U CN206020782 U CN 206020782U CN 201621037427 U CN201621037427 U CN 201621037427U CN 206020782 U CN206020782 U CN 206020782U
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- camera lens
- lens module
- optical glass
- circuit board
- temperature
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Abstract
A kind of camera lens module, the camera lens module includes processor, lens barrel, circuit board, first drive mechanism, first optical glass group and imageing sensor, first drive mechanism and the first optical glass group are in the lens barrel, the processor is connected with the circuit board, first drive mechanism is connected with the circuit board, described image sensor is connected with the circuit board, the camera lens module also includes the first temperature sensor, the processor receives the temperature of the first temperature sensor detection, and according to the temperature-driven the first drive mechanism, to drive the first optical glass group motion.
Description
Technical field
Present disclosure is related to a kind of camera lens module, and more particularly to a kind of autofocus lenses module with temperature-compensating.
Background technology
Camera lens module is generally made up of optical glass group, imageing sensor, control system and motor.
The plane that imageing sensor and optical glass group are located is parallel to each other, and the optical axis of optical glass group passes perpendicularly through figure
As sensor center, control system controlled motor drive optical glass group along optical axis near or away from imageing sensor so that
Camera lens module focus.
Imageing sensor and motor can operationally produce heat, so as to change the operating temperature of camera lens module so that light
Learn lens set and produce physical deformation, different optical glass group for temperature change produced by physical deformation different.For
The camera lens module of focus, in the situation that the optical glass group and position of image sensor relation for keeping camera lens module is constant
Under, the physical deformation of optical glass group can affect the focus state of camera lens module, seriously camera lens module can be caused out of focus.
Content of the invention
In view of this, the purpose of present disclosure is to provide a kind of camera lens module, and the camera lens can be according to operating temperature
The position of the optical glass group of the change adjustment camera lens module, makes the camera lens module be in focus state all the time.
According to present disclosure one side, there is provided a kind of camera lens module, the camera lens module include processor, lens barrel,
Circuit board, the first drive mechanism, the first optical glass group and imageing sensor, first drive mechanism and first optics
In the lens barrel, the processor is connected lens set with the circuit board, first drive mechanism and the circuit
Plate connects, and described image sensor is connected with the circuit board, and the camera lens module also includes the first temperature sensor, the place
Reason device receives the temperature of the first temperature sensor detection, and the first drive mechanism according to the temperature-driven, to drive
The dynamic first optical glass group motion.
Description of the drawings
In order to be illustrated more clearly that present disclosure embodiment or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are originally to drape over one's shoulders
Some embodiments of dew, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The profile of the camera lens module embodiment one that Fig. 1 is provided for present disclosure embodiment；
The profile of the camera lens module embodiment two that Fig. 2 is provided for present disclosure embodiment；
The flow chart of the generation focal position compensation dosage that Fig. 3 is provided for present disclosure embodiment；
The flow chart of the application focal position compensation dosage that Fig. 4 is provided for present disclosure embodiment；
The profile of the drive mechanism embodiment one of the camera lens module that Fig. 5 is provided for present disclosure embodiment；
The profile of the drive mechanism embodiment two of the camera lens module that Fig. 6 is provided for present disclosure embodiment.
Main element symbol description
| Camera lens module | 100 |
| Optical axis | 101 |
| Temperature sensor | 102 |
| Printed circuit board (PCB)（printed circuit board） | 103 |
| Printed circuit back | 104 |
| Printed circuit board (PCB) front | 105 |
| Imageing sensor | 106 |
| Lens barrel | 107 |
| Lens barrel outer wall | 108 |
| Lens barrel inwall | 109 |
| Optical glass group | 110 |
| Drive rod | 111 |
| Motor | 112 |
| Glue | 113 |
| Camera lens module | 200 |
| Optical axis | 201 |
| Temperature sensor | 202 |
| Printed circuit board (PCB) | 203 |
| Printed circuit back | 204 |
| Printed circuit board (PCB) front | 205 |
| Imageing sensor | 206 |
| Lens barrel | 207 |
| Lens barrel outer wall | 208 |
| Lens barrel inwall | 209 |
| First optical glass group | 210 |
| First drive rod | 211 |
| First motor | 212 |
| Second optical glass group | 213 |
| Second drive rod | 214 |
| Second motor | 215 |
| Glue | 216 |
| Camera lens module | 500 |
| Motor | 501 |
| Screw rod | 502 |
| Optical glass group | 503 |
| Fixing groove | 504 |
| Screw | 505 |
| Lens barrel inwall | 506 |
| Glue | 507 |
| Temperature sensor | 508 |
| Circuit board | 509 |
| Imageing sensor | 510 |
| Lens barrel | 511 |
| Camera lens module | 600 |
| Motor | 601 |
| Guide rail | 602 |
| Optical glass group | 603 |
| Fixing groove | 604 |
| Draw-in groove | 605 |
| Lens barrel inwall | 606 |
| Glue | 607 |
| Temperature sensor | 608 |
| Circuit board | 609 |
| Imageing sensor | 610 |
| Lens barrel | 611 |
Following specific embodiment will further illustrate this utility model in conjunction with above-mentioned accompanying drawing.
Specific embodiment
Accompanying drawing in below in conjunction with the embodiment of the present invention, to the embodiment of the present invention in technical scheme carry out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Term " first ", " second " in description and claims of this specification and above-mentioned accompanying drawing etc. are for distinguishing
Similar object, without being used for describing specific order or precedence.It should be appreciated that the term for so using is in appropriate feelings
Can exchange under condition, this is only to describe the differentiation object of same alike result adopted in embodiments of the invention in description
Mode.Additionally, term " comprising " and " having " and their any deformation, it is intended that covering is non-exclusive to be included, so as to
Process, method, system, product or equipment comprising a series of units are not necessarily limited to those units, but may include unclear
List or for other intrinsic units of these processes, method, product or equipment.
Below in conjunction with the accompanying drawings, some embodiments of the present invention are elaborated.In the case where not conflicting, following
Feature in embodiment and embodiment can be mutually combined.
The scheme of present disclosure is described in detail with reference to several specific embodiments.
Fig. 1 illustrates the generalized section of the camera lens module provided by one embodiment of present disclosure.Camera lens module 100 includes mirror
Cylinder 107, circuit board 103 and control system（Not shown）, an optical glass group 110 and a drive mechanism（Non- label）.Described
Lens barrel 107 is connected with the circuit board 103.The set-up of control system is on the circuit board.The optical glass group 110 sets
It is placed in the lens barrel 107.The drive mechanism is electrically connected with the circuit board 103, and is arranged in the lens barrel 107, is used
Move in the lens barrel 107 in the optical glass group 110 is driven.
In the present embodiment, the circuit board 103 is printed circuit board (PCB)（English：printed circuit board）.Described
Circuit board 103 includes a front 105 mutually deviated from away from the back side 104 of the lens barrel 107 and with the back side 104.Described
The back side 104 is provided with temperature sensor 102, and the front 105 of the printed circuit board (PCB) 103 is provided with imageing sensor 106.Described image
Sensor 106 passes through glue 113 with the circuit board 103（Such as：Dispensing）Link together.In the present embodiment, described image is sensed
Projection of the device 106 along 101 direction of optical axis is completely covered the temperature sensor 102.Described image sensor 106 can include but
It is not limited to contact-type image sensor（English：contact image sensor）, photosensitive coupling component（English：Contact
Image Sensors）, CMOS（English：complementary metal-oxide-
semiconductor）Deng.The temperature sensor 102 can include thermocouple, critesistor, resistance temperature detector（English
Text：resistance temperature detector）、IC（English：integrated circuit）In temperature sensor
At least one.The temperature sensor 102 can be detected in real time and/or monitor the temperature of the camera lens module 100.At some
In embodiment, the temperature is the operating temperature of the camera lens module 100.
The optical glass group 110 is arranged at the inwall 109 of the lens barrel 107, and is located with described image sensor 106
Plane be parallel to each other, and pass perpendicularly through the straight line of the optical glass group 110 and also pass perpendicularly through described image sensor 106
Center.In some embodiments of present disclosure, pass perpendicularly through 110 center of optical glass group straight line also pass perpendicularly through described
The center of imageing sensor 106.The optical glass group 110 includes at least one optical glass.
The camera lens module 200 that the control system can be detected according to the temperature sensor 102 and/or be monitored
Operating temperature control the drive mechanism drive the optical glass group 110 along optical axis near or sense away from described image
The direction motion of device 106, makes the camera lens module 100 be in focus state under different operating temperatures all the time.Specifically, institute
Stating drive mechanism includes drive rod 111 and a motor 112.
In certain embodiments, the drive mechanism can be the drive mechanism shown in Fig. 5.Wherein, the drive rod 111
For a screw rod.
In certain embodiments, the drive mechanism can be the drive mechanism shown in Fig. 6.Wherein, the drive rod 111
For a guide rail.
In some embodiments of the present disclosure shown in Fig. 1, the temperature sensor 102 is installed in the printed circuit
The front 105 of plate 103, and detect and/or monitor the operating temperature of the camera lens module 100 in real time.In other embodiments,
The temperature sensor 102 can also be installed in the inside of described image sensor 106, and detect in real time and/or monitor mirror
The operating temperature of head mould group 100.
In other embodiments, the temperature sensor 102 can also be installed in the inwall 109 of the lens barrel 107, and in fact
When ground detection and/or monitoring camera lens module 100 operating temperature.
In other embodiments, the temperature sensor 102 can also be installed in the outer wall 108 of the lens barrel 107, and in fact
When ground detection and/or monitoring camera lens module 100 operating temperature.
In other embodiments, the temperature sensor 102 is installed in the inside of the optical glass group 110, and in fact
When ground detection and/or monitoring camera lens module 100 operating temperature.
In other embodiments, the temperature sensor 102 can also be installed in the outside of the optical glass group 110,
And detect and/or monitor the operating temperature of camera lens module 100 in real time.
In other embodiments, the camera lens module 100 can include multiple temperature sensors 102, and which sets respectively
It is placed in the different parts of the lens barrel 107 or circuit board 103.
In other embodiments, the camera lens module 100 can include zoom lens.
The control system can include that one or more processors, the process can include but is not limited to microprocessor
（English：microcontroller）, Reduced Instruction Set Computer（English：reduced instruction set
Computer, referred to as：RISC）, special IC（English：application specific integrated
Circuits, referred to as：ASIC）, ASIP（English：application-specific instruction-
Set processor, referred to as：ASIP）, CPU（English：Central processing unit, referred to as：CPU）,
Concurrent physical processor English（English：Physics processing unit, referred to as：PPU）, digital signal processor（English：
Digital signal processor, abbreviation DSP）, field programmable gate array（English：field programmable
Gate array, referred to as：FPGA）Deng.
The camera lens module can include that one or more Memory Storage Units, the Memory Storage Unit can be wrapped
Non-transitory computer-readable medium is included, which can be stored for other one or more steps described everywhere of execution this paper
Code, logic or instruction.The processor of the control system, its can be according to non-transitory computers as described herein
The code of computer-readable recording medium, logic or instruction and either individually or collectively execute one or more steps.
Fig. 2 illustrates the generalized section of the camera lens module provided by another embodiment of present disclosure.Camera lens module 200 includes
Lens barrel 207, circuit board 203 and control system（Not shown）, the first optical glass group 210, the second optical glass group 213, first
Drive mechanism（Non- label）And second drive mechanism（Non- label）.The lens barrel 207 is connected with the circuit board 203.The control
System processed is arranged on the circuit board 203.The first optical glass group 210 is arranged with the second optical glass group 213
In the lens barrel 207.First drive mechanism is electrically connected with the circuit board 203 with second drive mechanism, and is set
It is placed in the camera lens 207, for driving the first optical glass group 210 and the second optical glass group 213 to exist respectively
Motion in the lens barrel 207.
In the present embodiment, the circuit board 203 is printed circuit board (PCB)（English：Printed circuit board, referred to as：
PCB）.The circuit board includes a front mutually deviated from away from the back side 104 of the camera lens 207 and with the back side 204
205.The back side 204 is provided with temperature sensor 202, and the front 205 of the printed circuit board (PCB) 203 is provided with imageing sensor 206.
Described image sensor 206 passes through glue 216（Such as：Dispensing）Link together with the circuit board 203.In the present embodiment, described
Projection of the imageing sensor 206 along 201 direction of optical axis is completely covered the temperature sensor 202.Described image sensor 206 can
To include but is not limited to contact-type image sensor（English：contact image sensor）, photosensitive coupling component（English：
Contact Image Sensors）, CMOS（English：complementary metal-oxide-
semiconductor）Deng.The temperature sensor 202 can include thermocouple, critesistor, resistance temperature detector（English
Text：resistance temperature detector）、IC（English：integrated circuit）In temperature sensor
At least one.The temperature sensor 202 can be detected in real time and/or monitor the temperature of the camera lens module 200.At some
In embodiment, the temperature is the operating temperature of the camera lens module 200.
The first optical glass group 210 is arranged at the inwall 209 of the lens barrel 207, and with described image sensor 206
The plane at place is parallel to each other, and pass perpendicularly through the straight line of the first optical glass group 210 also pass perpendicularly through described image biography
The center of sensor 206.In some embodiments of present disclosure, the straight line at 210 center of the first optical glass group is passed perpendicularly through
Also the center of described image sensor 206 is passed perpendicularly through.The first optical glass group 210 includes at least one optical glass.
The first optical glass group 213 is arranged at the inwall 209 of the lens barrel 207, and with described image sensor 206
The plane at place is parallel to each other, and pass perpendicularly through the straight line of the second optical glass group 213 also pass perpendicularly through described image biography
The center of sensor 206.In some embodiments of present disclosure, the straight line at 213 center of the second optical glass group is passed perpendicularly through
Also the center of described image sensor 206 is passed perpendicularly through.The second optical glass group 213 includes at least one optical glass.
In certain embodiments, pass perpendicularly through 210 center of the first optical glass group and while pass perpendicularly through described
The straight line of the second optical glass group 213 also passes perpendicularly through the center of described image sensor 206.
The camera lens module 200 that the control system can be detected according to the temperature sensor 202 and/or be monitored
Operating temperature control first drive mechanism drive the first optical glass group 210 along optical axis near or away from described
The direction motion of imageing sensor 206.The control system can also be detected according to the temperature sensor 202 and/or be monitored
The operating temperature of the camera lens module 200 for arriving controls second drive mechanism and drives 213 edge of the second optical glass group
Optical axis near or away from described image sensor 206 direction move.The camera lens module 200 is made in different operating temperatures
Under all the time be in focus state.
Specifically, first drive mechanism includes the first motor 212 and the first drive rod 211.Second driver
Structure includes the second motor 215 and the second drive rod 214.
In certain embodiments, first drive mechanism can be drive mechanism as shown in Figure 5, second transmission
Mechanism can be the drive mechanism shown in Fig. 6.Wherein, first drive rod 211 be a screw rod, second drive rod 214
For a guide rail.
In certain embodiments, first drive mechanism can be the drive mechanism shown in Fig. 6, second driver
Structure can be the drive mechanism shown in Fig. 5.Wherein, first drive rod 211 is a guide rail, and second drive rod 214 is
One screw rod.
In certain embodiments, first drive mechanism and second drive mechanism can be the biography shown in Fig. 5
Motivation structure.Wherein, first drive rod 211 is a screw rod, and second drive rod 214 is also a screw rod.
In certain embodiments, first drive mechanism and second drive mechanism can be the biography shown in Fig. 6
Motivation structure.Wherein, first drive rod 211 is a guide rail, and second drive rod 214 is also a guide rail.
In other embodiments, the temperature sensor 202 is installed in the front 205 of the printed circuit board (PCB) 203, and
Detect and/or monitor the operating temperature of camera lens module 200 in real time.
In other embodiments, the temperature sensor 202 is installed in the inside of described image sensor 206, and in fact
When ground detection and/or monitoring camera lens module 200 operating temperature.
In other embodiments, the temperature sensor 202 is installed in the inwall 209 of the lens barrel 207, and in real time
Detection and/or the operating temperature of monitoring camera lens module 200.
In other embodiments, the temperature sensor 202 is installed in the outer wall 208 of the lens barrel 207, and in real time
Detection and/or the operating temperature of monitoring camera lens module 200.
In other embodiments, the temperature sensor 202 is installed in the inside of the first optical glass group 210,
And detect and/or monitor the operating temperature of camera lens module 200 in real time.
In other embodiments, the temperature sensor 202 is installed in the outside of the first optical glass group 210,
And detect and/or monitor the operating temperature of camera lens module 200 in real time.
In other embodiments, the temperature sensor 202 is installed in the inside of the second optical glass group 213,
And detect and/or monitor the operating temperature of camera lens module 200 in real time.
In other embodiments, the temperature sensor 202 is installed in the outside of the second optical glass group 213,
And detect and/or monitor the operating temperature of camera lens module 200 in real time.
In other embodiments, the camera lens module 200 includes multiple temperature sensors 202.
In other embodiments, the camera lens module 200 includes zoom lens.
The control system can include that one or more processors, the process can include but is not limited to microprocessor
（English：microcontroller）, Reduced Instruction Set Computer（English：reduced instruction set
Computer, referred to as：RISC）, special IC（English：application specific integrated
Circuits, referred to as：ASIC）, ASIP（English：application-specific instruction-
Set processor, referred to as：ASIP）, CPU（English：Central processing unit, referred to as：CPU）,
Concurrent physical processor English（English：Physics processing unit, referred to as：PPU）, digital signal processor（English：
Digital signal processor, abbreviation DSP）, field programmable gate array（English：field programmable
Gate array, referred to as：FPGA）Deng.
The camera lens module can include that one or more Memory Storage Units, the Memory Storage Unit can be wrapped
Non-transitory computer-readable medium is included, which can be stored for other one or more steps described everywhere of execution this paper
Code, logic or instruction.The processor of the control system, its can be according to non-transitory computers as described herein
The code of computer-readable recording medium, logic or instruction and either individually or collectively execute one or more steps.
The flow chart of the generation focal position compensation dosage that Fig. 3 is provided for present disclosure embodiment.As shown in figure 3, the flow process
Executive agent is the control system of the camera lens module.The control system can be according to the mirror for detecting and/or monitor
The operating temperature of head mould group, obtains out the focal position compensation dosage.
Step 301, sets the ambient temperature of the camera lens module.
Wherein, the ambient temperature of the camera lens module can be by TenvRepresent.
Step 302, sets the focal distance of the camera lens module.
Wherein, the focal distance of the camera lens module can be by DFoucusRepresent.
Step 303, starts camera lens module, after focus, obtains the reference focal position of the camera lens module and refers to work
Make temperature.
Wherein, the reference focal position can be by Pos0Represent, the reference work temperature can be by T0Represent.One
In a little embodiments, the reference focal position and the reference work temperature can be that the camera lens module starts at any time
And the focal position after focus and operating position.
Step 304, after the operating temperature of the camera lens module changes, obtains skew focal position and skew work
Temperature.Wherein, the skew focal position can be by PosnRepresent, the skew operating temperature can be by TnRepresent.In some realities
Apply in example, the skew focal position and the skew operating temperature have one-to-one corresponding.
In certain embodiments, the camera lens module can obtain multigroup skew focal position and skew operating temperature.
For example, Pos1、T1、Pos2、T2、Pos3、T3、Pos4、T4、Pos5、T5、Pos6、T6、Pos7、T7、Pos8、T8、Pos9、T9、Pos10、
T10Deng, wherein, Pos1Corresponding T1、Pos2Corresponding T2、Pos3Corresponding T3、Pos4Corresponding T4、Pos5Corresponding T5、Pos6Corresponding T6、Pos7
Corresponding T7、Pos8Corresponding T8、Pos9Corresponding T9、Pos10Corresponding T10.
Step 305, adjusts the operating temperature of the camera lens module.
Step 306, judges whether the operating temperature of the camera lens module is completely covered the operating temperature of the camera lens module
Scope.
In certain embodiments, if the operating temperature of the camera lens module does not cover the operating temperature of the camera lens module
Scope, then the camera lens module by continue obtain skew focal position and skew operating temperature.For example：Through after step 305, currently
The operating temperature of the camera lens module is 20 DEG C, and the operating temperature range of the camera lens module is -10 DEG C to 40 DEG C, then described
Camera lens module will return execution step 304, and then repeat step 305, improve or reduce the work temperature of the camera lens module
Degree, until cover the operating temperature range of the camera lens module.
In certain embodiments, if the operating temperature of the camera lens module has covered the work temperature of the camera lens module
Degree scope, then the camera lens module is by execution step 307.For example：The operating temperature range of the camera lens module is -10 DEG C to 40
DEG C, and the skew operating temperature of the camera lens module current record has covered the operating temperature range.The then camera lens
Module is by execution step 307.
Step 307, adjusts the focal distance of the camera lens module.
Step 308, judges whether most camera lens modules are completely covered the focusing range of the camera lens module.
In certain embodiments, if the focal distance of the camera lens module does not cover the focusing model of the camera lens module
Enclose, then the camera lens module will reset the focal distance.For example：Through after step 307, presently described camera lens module right
Defocus distance is 50mm, and the focusing range of the camera lens module is 28mm to 105mm, then the camera lens module will be returned and execute step
Rapid 302, the focal distance of the camera lens module is improved or reduces, until covering the focusing range of the camera lens module.
In certain embodiments, if the focal distance of the camera lens module has covered the focusing model of the camera lens module
Enclose, then the camera lens module is by execution step 309.For example：The focusing range of the camera lens module is 28mm to 105mm, and institute
The focal distance for stating camera lens module current record has covered the focusing range.Then the camera lens module is by execution step
309.
Step 309, generates the focal position compensation dosage of the camera lens module.
In certain embodiments, focal distance and work temperature of the focal position compensation dosage corresponding to the camera lens module
The side-play amount of degree.Wherein, the side-play amount of the operating temperature is the skew operating temperature（Tn）With the reference work temperature
（T0）Difference（Such as T1-T0, T2-T0, T3-T0, T4-T0, T5-T0, T6-T0, T7-T0, T8-T0, T9-T0, T10-T0）, institute
The side-play amount for stating operating temperature can be by ToffsetRepresent.Wherein, the focal position compensation dosage is the skew focal position
（Posn）With the reference focal position（Pos0）Difference（Such as Pos1-Pos0, Pos2-Pos0, Pos3-Pos0, Pos4-Pos0,
Pos5-Pos0, Pos6-Pos0, Pos7-Pos0, Pos8-Pos0, Pos9-Pos0, Pos10-Pos0）, the focal position
Compensation dosage can be by PoscompensationRepresent.
In certain embodiments, the camera lens module can generate an index with regard to the focal position compensation dosage
Table.For example：In the concordance list, the side-play amount (T of the operating temperatureoffset), the focal distance and the focus position
Put compensation dosage (Poscompensation) correspond.Can be searched by the side-play amount and the focal distance of the operating temperature
Arrive the corresponding focal position compensation dosage.
In certain embodiments, the camera lens module can generate a position compensation function with regard to the focal position
F (T, D), T can represent that the side-play amount of the operating temperature of the camera lens module, D can represent the focusing of the camera lens module
From.
It should be noted that flow process described by method 300 is only one embodiment of present disclosure, being not construed as can be with
Cover the protection domain of present disclosure.For the person of ordinary skill of the art, can make on the basis of present disclosure
Modification changes, but the modification or changes still within the protection domain of present disclosure.
The flow chart of the application focal position compensation dosage that Fig. 4 is provided for present disclosure embodiment.
Step 401, the operating temperature that camera lens module is obtained by temperature sensor.In certain embodiments, the camera lens
The work of module is operating temperature of the camera lens module in focus state.
Step 402, detects whether the operating temperature of the camera lens module shifts.If the work of the camera lens module
Temperature does not shift, then the camera lens module will continue through the work temperature of the temperature sensor acquisition camera lens module
Degree.If the operating temperature of the camera lens module there occurs that skew, the camera lens module will continue the behavior of step 403.
Side-play amount according to operating temperature and focal distance are obtained focal position compensation by step 403, the camera lens module
Amount.
In certain embodiments, after the camera lens module focus, current focal distance can be recorded, and use
Focal position compensation dosage is obtained in afterwards.
In certain embodiments, the focal distance when camera lens module is in focus state every time can be recorded
Come, for obtaining focal position compensation dosage afterwards.
In certain embodiments, the motor of the camera lens module be a motor, the focal distance of the camera lens module
Can be obtained by calculating the operating step number of the motor.
In certain embodiments, by the side-play amount according to operating temperature, by concordance list, it is right to find for the camera lens module
The focal position compensation dosage that answers.
In certain embodiments, the side-play amount according to operating temperature by position compensation function, is counted by the camera lens module
Calculate the focal position compensation dosage.
Step 404, the camera lens module will adjust the position of the optical glass group according to the focal position compensation dosage,
So that the camera lens module is in focus state all the time.
It should be noted that flow process described by method 300 is only one embodiment of present disclosure, being not construed as can be with
Cover the protection domain of present disclosure.For the person of ordinary skill of the art, can make on the basis of present disclosure
Modification changes, but the modification or changes still within the protection domain of present disclosure.
The profile of the drive mechanism embodiment one of the camera lens module that Fig. 5 is provided for present disclosure embodiment.
Camera lens module 500 includes control system, a drive mechanism（Non- label）, lens barrel 511, circuit board 509 and optical frames
Piece group 503.
The drive mechanism includes a motor 501, a screw rod 502.One end of the screw rod 502 is connected with the motor 501
Connect, the other end of the screw rod 502 is connected with optical glass group 503.Specifically, the non-optical zones of the optical glass group 503
Including a screw 505, the screw rod 502 can be screw-coupled to the screw 505 of 503 non-optical zones of optical glass group.Institute
The inwall 506 for stating lens barrel 511 is provided with fixing groove 504.The other end of the optical glass group 503 is located at the fixing groove 504
In.
Described image sensor 510 passes through glue 507 with the circuit board 509（For example：Dispensing）Link together.When described
After the operating temperature of camera lens module 500 changes, the glue 507 and/or the optical glass group 503 can be deformed upon, and enter
And make the camera lens module 500 out of focus.For above deficiency, present disclosure proposes a kind of camera lens module with temperature-compensating, can
With the change according to operating temperature, 503 position of optical glass group is adjusted, make camera lens be in focus state all the time.
In certain embodiments, the control system of the camera lens module 500 can be examined according to the temperature sensor
Survey/or the temperature for monitoring, drive the motor 501 to rotate, and then drive the screw rod 502 to rotate, and the screw rod 502 is further
The optical glass group 503 is driven to move.For example：The screw rod 502 can drive the optical glass group 503 close along optical axis
Or away from described image sensor 508.
In certain embodiments, the motor 501 drives the screw rod 502 to rotate clockwise and can drive the optical frames
Piece group 503 is away from described image sensor.On the contrary, the motor 501 drives the screw rod 502 to rotate counterclockwise can drive
The optical glass group 503 is near described image sensor.
In other embodiments, the motor 501 drives the screw rod 502 to rotate clockwise and can drive the optical frames
Piece group 503 is near described image sensor.On the contrary, the motor 501 drives the screw rod 502 to rotate counterclockwise can drive
The optical glass group 503 is away from described image sensor.
It should be noted that the above-mentioned description for the drive mechanism is only to facilitate understand present disclosure, should be by
It is considered as the unique implementation of present disclosure.For example：The motor 501 can pass through one and/or multiple gears drive the spiral shell
Bar 502 is rotated.
The profile of the drive mechanism embodiment two of the camera lens module that Fig. 6 is provided for present disclosure embodiment.
Camera lens module 600 includes control system, a drive mechanism（Non- label）, lens barrel 611, circuit board 609 and optical frames
Piece group 603.
The drive mechanism includes a motor 601, a guide rail 602.One end of the guide rail 602 is connected with the motor 601
Connect, the other end of the guide rail 602 is connected with optical glass group 603.Specifically, the non-optical zones of the optical glass group 603
Including a draw-in groove 605, the guide rail 602 can be engaged on one with the draw-in groove 605 of 603 non-optical zones of optical glass group
Rise.The inwall 606 of the lens barrel 611 is provided with fixing groove 604.The other end of the optical glass group 603 is located at the fixation
In groove 604.
Described image sensor 610 passes through glue 607 with the circuit board 609（For example：Dispensing）Link together.When described
After the operating temperature of camera lens module 600 changes, the glue 607 and/or the optical glass group 603 can be deformed upon, and enter
And make the camera lens module 600 out of focus.For above deficiency, present disclosure proposes a kind of camera lens module with temperature-compensating, can
With the change according to operating temperature, 603 position of optical glass group is adjusted, make camera lens be in focus state all the time.
In certain embodiments, the control system of the camera lens module 600 can be examined according to the temperature sensor
Survey/or the temperature for monitoring, drive the motor 601 to rotate, and then drive the guide rail 602 to move, and the guide rail 602 is further
The optical glass group 603 is driven to move.For example：The guide rail 602 can drive the optical glass group 603 close along optical axis
Or away from described image sensor 608.The motor 601 is linked together with the guide rail 602 by gear 612, described
The sensing of 601 rotor (not shown) of motor is vertical with the plane that the guide rail is located.
It should be noted that the above-mentioned description for the drive mechanism is only to facilitate understand present disclosure, should be by
It is considered as the unique implementation of present disclosure.For example：The motor 601 can drive the guide rail 602 to move by multiple gears.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
This patent document disclosure includes material protected by copyright.The copyright is all for copyright holder.Copyright
Everyone does not oppose that anyone replicates the proce's-verbal of Patent＆Trademark Office and the patent document in the presence of archives or is somebody's turn to do
Patent is disclosed.
Finally it should be noted that：Various embodiments above only in order to the technical scheme of present disclosure to be described, rather than a limitation；To the greatest extent
Pipe has been described in detail to present disclosure with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from each embodiment technology of present disclosure
The scope of scheme.
Claims (17)
1. a kind of camera lens module, the camera lens module include processor, lens barrel, circuit board, the first drive mechanism, the first optical frames
Piece group and imageing sensor, first drive mechanism and the first optical glass group are arranged in the lens barrel, the place
Reason device is connected with the circuit board, and first drive mechanism is connected with the circuit board, described image sensor and the electricity
Road plate connection, it is characterised in that the camera lens module also includes that the first temperature sensor, the processor receive first temperature
The temperature of degree sensor detection, and the first drive mechanism according to the temperature-driven, to drive first optical glass
Group motion.
2. camera lens module as claimed in claim 1, it is characterised in that the processor is electrically connected with the circuit board, described
First drive mechanism is electrically connected with the circuit board, and described image sensor is glued together with the circuit board.
3. camera lens module as claimed in claim 2, it is characterised in that the temperature is the operating temperature of the camera lens module.
4. camera lens module as claimed in claim 3, it is characterised in that the circuit board includes the back side away from the lens barrel,
And the front mutually deviated from the back side, first temperature sensor is installed on the back side.
5. camera lens module as claimed in claim 3, it is characterised in that the circuit board includes the back side away from the lens barrel,
And the front mutually deviated from the back side, first temperature sensor is installed on the front.
6. camera lens module as claimed in claim 3, it is characterised in that first temperature sensor is installed on the lens barrel
Inwall.
7. camera lens module as claimed in claim 3, it is characterised in that the circuit board is printed circuit board (PCB).
8. camera lens module as claimed in claim 1, it is characterised in that the camera lens module also includes the second drive mechanism and
Two optical glass groups, second drive mechanism are linked together with the circuit board, and the processor is by the described first temperature
Degree sensor obtains temperature, and the second drive mechanism according to the temperature-driven, to drive the second optical glass group
Motion.
9. camera lens module as claimed in claim 8, second drive mechanism are electrically connected with the circuit board.
10. camera lens module as claimed in claim 3, it is characterised in that first drive mechanism include the first drive rod and
First motor, it is characterised in that first motor is linked together with the circuit board, and the processor is according to the work
Drive rod described in first Motor drive described in temperature control, to drive the first optical glass group motion.
11. camera lens modules as claimed in claim 10, it is characterised in that first motor is electrically connected with the circuit board.
12. camera lens modules as claimed in claim 11, it is characterised in that the lens barrel includes fixing groove, described first drives
Bar is screw rod, one end of the screw rod and first motor connection, the other end of the screw rod and first optical glass
One end connection of group, the other end of the optical glass group are fixed in the fixing groove, and the processor is according to the work
Screw rod described in first Motor drive described in temperature control is rotated, to drive the first optical glass group motion.
13. camera lens modules as claimed in claim 12, it is characterised in that the non-optical zones of the optical glass group include spiral shell
Hole, the other end of the screw rod are screwed together with the screw.
14. camera lens modules as claimed in claim 11, it is characterised in that the lens barrel includes fixing groove, described first drives
Bar is guide rail, one end of the guide rail and first motor connection, the other end of the guide rail and first optical glass
One end connection of group, the other end of the optical glass group are fixed in the fixing groove, the processor control described first
Guide rail motion described in Motor drive, to drive the first optical glass group motion.
15. camera lens modules as claimed in claim 14, it is characterised in that the non-optical zones of the optical glass group include card
Groove, the other end of the guide rail are engaged in the draw-in groove.
16. camera lens modules as claimed in claim 3, it is characterised in that the camera lens module also includes second temperature sensor.
17. camera lens modules as claimed in claim 3, it is characterised in that the camera lens module also includes zoom lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621037427.XU CN206020782U (en) | 2016-09-05 | 2016-09-05 | Camera lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621037427.XU CN206020782U (en) | 2016-09-05 | 2016-09-05 | Camera lens module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206020782U true CN206020782U (en) | 2017-03-15 |
Family
ID=58259766
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621037427.XU Expired - Fee Related CN206020782U (en) | 2016-09-05 | 2016-09-05 | Camera lens module |
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| Country | Link |
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| CN (1) | CN206020782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040098A1 (en) * | 2016-09-05 | 2018-03-08 | 深圳市大疆创新科技有限公司 | Lens module |
| CN110119012A (en) * | 2018-02-05 | 2019-08-13 | 深圳光峰科技股份有限公司 | Solar heat protection projection arrangement out of focus |
-
2016
- 2016-09-05 CN CN201621037427.XU patent/CN206020782U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040098A1 (en) * | 2016-09-05 | 2018-03-08 | 深圳市大疆创新科技有限公司 | Lens module |
| CN110119012A (en) * | 2018-02-05 | 2019-08-13 | 深圳光峰科技股份有限公司 | Solar heat protection projection arrangement out of focus |
| CN110119012B (en) * | 2018-02-05 | 2021-12-07 | 深圳光峰科技股份有限公司 | Heat-proof defocusing projection device |
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