CN208986774U - The electric connection structure of micro-optical stabilization drive motor - Google Patents
The electric connection structure of micro-optical stabilization drive motor Download PDFInfo
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- CN208986774U CN208986774U CN201821408517.4U CN201821408517U CN208986774U CN 208986774 U CN208986774 U CN 208986774U CN 201821408517 U CN201821408517 U CN 201821408517U CN 208986774 U CN208986774 U CN 208986774U
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- movable plate
- voice coil
- memory alloy
- coil motor
- automatic focus
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- 230000006641 stabilisation Effects 0.000 title claims abstract description 15
- 238000011105 stabilization Methods 0.000 title claims abstract description 15
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 41
- 230000003287 optical effect Effects 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 25
- 239000010949 copper Substances 0.000 claims abstract description 25
- 238000005530 etching Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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- Lens Barrels (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The utility model relates to the electric connection structures of micro-optical stabilization drive motor, the automatic Focus voice coil motor for including minisize memory alloy optical anti-vibration actuator and being mounted on minisize memory alloy optical anti-vibration actuator, automatic Focus voice coil motor over-assemble camera lens；Minisize memory alloy optical anti-vibration actuator has fixed plate, movable plate and the memory alloy wire for being connected and fixed plate and movable plate, the upper side of movable plate is equipped with flexible circuit board, flexible circuit board, which is equipped with, grows welding copper dish by etching, and the position of the corresponding welding copper dish of movable plate is equipped with evacuation vacancy；The automatic Focus voice coil motor is mounted on movable plate, and movable plate drives automatic Focus voice coil motor in the movement of X/Y plane, and the downside of automatic Focus voice coil motor is equipped with connection pad, and the corresponding fitting welding copper dish of the connection pad are welded to connect.Optimize being electrically connected between automatic Focus voice coil motor and minisize memory alloy optical anti-vibration actuator, structure is extremely compact and solid and reliable.
Description
Technical field
The utility model relates to camera technical fields, more particularly, to the micro-optical stabilization with optics debugging functions
Drive motor.
Background technique
Miniature automatic focusing camera is widely used in the production such as mobile phone, automobile, unmanned aerial vehicle, safety monitoring, smart home
Among product.Common miniature automatic focusing camera mould group is moved down in the direction of the optical axis by a miniature voice coil motor driving camera lens
It is dynamic, it is mobile by control chip drives voice coil motor when taking pictures, to realize automatic focusing function.When taking pictures or imaging, camera lens
Shake or other reasons of the meeting because of people are not able to maintain absolutely steady, generation certain deviation, at this time the focusing of camera and light-inletting quantity
It will be affected, and then influence the quality that camera obtains image.General this deflection lens occur in the side of vertical optical axis
Upwards, automatic Focus voice coil motor can only drive camera lens to move in the direction of the optical axis, therefore can not solve such deflection lens
The problem of causing.Increase an optical anti-vibration actuator on the basis of automatic Focus voice coil motor, drives camera lens in vertical light
It is moved in the both direction of axis, the above-mentioned deflection of camera lens can be compensated, camera is helped to obtain better image quality, it is this kind of micro-
Type motor of camera is referred to as micro-optical stabilization motor of camera.
The micro-optical stabilization motor of camera of real meaning is a closed-loop control system, detects camera lens by gyroscope
Jitter parameter feeds back to camera module control chip, and the positional information calculation that the latter provides according to lens position sensor goes out to mend
Positive angle or displacement simultaneously issues order-driven stabilization actuator and reaches designated position, to make corrections what camera lens was generated by shake
Displacement deflection makes to take pictures or image to obtain better image quality.
In the prior art, with driving camera lens in optical axis direction it is mobile, can also be in the both direction of vertical optical axis
Using same method, i.e., realized using miniature voice coil motor.Common miniature voice coil motor is by hot-wire coil in magnetic field
It is mobile to generate long-range navigation magnetic drive camera lens；And to realize optical anti-vibration, it needs to drive camera lens at least two directions, this meaning
Need to arrange multiple coils, can to it is integrally-built micromation bring certain challenge.For this purpose, being carried out using voice coil motor principle
Multiple coils are generally integrated on one piece of circuit board by the micro-actuator of optical anti-vibration, referred to as FP coil, solve optics with this
The dimensional problem of stabilization actuator.But miniature voice coil motor optical anti-vibration actuator and the miniature voice coil motor focused automatically
The two is separation, and camera lens is often mounted in the miniature voice coil motor focused automatically, to make camera lens in vertical optical axis direction
Upper movement, that is, move camera lens with the miniature voice coil motor focused automatically.Therefore, this kind of micro-optical stabilization camera shooting
Head mould group assembly technology is more difficult, also reduces the structural reliability of entire micro motor.
Summary of the invention
The purpose of this utility model is to provide a kind of electric connection structure of micro-optical stabilization drive motor, optimization is automatic
Being electrically connected between Focus voice coil motor and minisize memory alloy optical anti-vibration actuator, structure it is extremely compact and also it is firm can
It leans on.
In order to achieve the above objectives, the utility model adopts the following technical solution:
The electric connection structure of micro-optical stabilization drive motor includes minisize memory alloy optical anti-vibration actuator and peace
Automatic Focus voice coil motor on minisize memory alloy optical anti-vibration actuator, automatic Focus voice coil motor over-assemble mirror
Head；Minisize memory alloy optical anti-vibration actuator has fixed plate, movable plate and the memorial alloy for being connected and fixed plate and movable plate
Silk, the upper side of movable plate are equipped with flexible circuit board, and flexible circuit board, which is equipped with, grows welding copper dish, movable plate by etching
The position of corresponding welding copper dish is equipped with evacuation vacancy；The automatic Focus voice coil motor is mounted on movable plate, and movable plate drives
For automatic Focus voice coil motor in the movement of X/Y plane, the downside of automatic Focus voice coil motor is equipped with connection pad, the connection pad
Corresponding fitting welding copper dish are welded to connect.
Above scheme is further: the welding copper dish have the through-hole in the evacuation vacancy of perforation movable plate, and scolding tin passes through
The through-hole is welded to connect the connection pad and welding copper dish of automatic Focus voice coil motor.
Above scheme is further: the movable plate activity is erected in fixed plate, and fixed plate is fixed on substrate, activity
Plate has spring arm, and spring arm is fixed in fixed plate and realizes the circuit board in flexible circuit board and fixed plate on movable plate
Connection arranges one or more spring bearings between movable plate and fixed plate, makes movable plate can be with opposing fixed plate in spring
It is moved under the constraint of arm；Memory alloy wire fixing clamp is diagonally equipped on movable plate and fixed plate respectively, clamps memory respectively with this
The end of alloy wire, memory alloy wire have four and are distributed by quadrangle.
Using the above structure, flexible circuit board of the utility model directly on movable plate grows welding copper dish, by this
It welds copper dish and is bonded welding with the connection pad of automatic Focus voice coil motor, cleverly connection structure designs, and solves automatic focus
Multi-line connection, technique may be implemented in the problem of being electrically connected between voice coil motor and minisize memory alloy optical anti-vibration actuator
Simply, structural stability is high, and not will increase mould group whole height, and product structure is lightly changed and minimized, and reduces system
Cause this.
Detailed description of the invention:
Attached drawing 1 is the utility model preferred embodiment structural decomposition diagram；
Attached drawing 2 is the structural schematic diagram of Fig. 1 embodiment minisize memory alloy optical anti-vibration actuator；
Attached drawing 3 is the welding copper dish structural schematic diagram of the flexible circuit board growth on Fig. 1 embodiment movable plate；
Attached drawing 4 is the automatic Focus voice coil motor of Fig. 1 embodiment and the welding copper dish connection schematic diagram of flexible circuit board.
Specific embodiment:
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Shown in refering to fig. 1 ~ 4, a kind of electric connection structure of the utility model in relation to micro-optical stabilization drive motor, including
The automatic focusing for having minisize memory alloy optical anti-vibration actuator 1 and being mounted on minisize memory alloy optical anti-vibration actuator 1
Voice coil motor 2, automatic 2 over-assemble camera lens 4 of Focus voice coil motor, automatic 2 periphery of Focus voice coil motor is provide with a protection outer cover 5.
Minisize memory alloy optical anti-vibration actuator 1 has fixed plate 11, movable plate 12 and the note for being connected and fixed plate 11 and movable plate 12
Recall alloy wire 13.In the present embodiment, 12 activity of movable plate is erected in fixed plate 11, and fixed plate 11 is fixed on substrate 14
On, movable plate 12 has spring arm 122, and spring arm 122 is fixed in fixed plate 11 and realizes the circuit on movable plate 12 and consolidates
Circuit board communication on fixed board 11 arranges one or more spring bearings 15 between movable plate 12 and fixed plate 11, makes activity
Plate 12 can be moved under the constraint of spring arm 122 with opposing fixed plate 11；It is diagonally equipped with respectively in movable plate 12 and fixed plate 11
Memory alloy wire fixing clamp, the end of memory alloy wire 13 is clamped with this respectively, and memory alloy wire 13 has four and by quadrangle
Distribution.Control chip is pulled certainly based on the variation of the length of the memory alloy wire on minisize memory alloy optical anti-vibration actuator 1
Dynamic Focus voice coil motor 2 is mobile, realizes the jitter compensation of camera lens 4.The control chip of minisize memory alloy optical anti-vibration actuator 1
The variation of driving signal be can control to change the temperature of memory alloy wire；Memory alloy wire (such as Ultimum Ti silk) is normal
Wen Shiwei martensitic structure, when the temperature increases, memory alloy wire can be undergone phase transition, and be austenite, length by martensite transfor mation
It shortens, resistance becomes smaller；When the temperature decreases, the phase transformation for being changed into martensite by austenite can occur for memory alloy wire, and length becomes
Long, resistance becomes larger, the two processes can be repeated.During undergoing phase transition, between the temperature and strain of memory alloy wire
The linearity is not fine, but in certain temperature range, its resistance and the linear characteristic of strain.Therefore pass through control memory
The resistance sizes of alloy wire can accurately control its length, and the position of actuator is calculated according to the resistance of memory alloy wire
And moving distance.Memory alloy wire is fed back at this time after being moved to designated position on minisize memory alloy optical anti-vibration actuator 1
Resistance can be corrected on minisize memory alloy optical anti-vibration actuator 1 by comparing the deviation of this resistance value and target value
Movement deviation, thus formed one using the resistance of memory alloy wire as the closed-loop control system of feedback variable.
The structure of the minisize memory alloy optical anti-vibration actuator 1 is extremely compact and solid and reliable, movable plate 12 it is upper
Side is equipped with flexible circuit board 3, flexible circuit board 3 extend on the spring arm 122 of movable plate 12 and with the electricity in fixed plate 11
The connection of road plate.Flexible circuit board 3, which is equipped with, grows welding copper dish 31, the portion of the corresponding welding copper dish 31 of movable plate 12 by etching
Position is equipped with evacuation vacancy 121.In figure, welding copper dish 31 are located at the inner port edge of movable plate 12, and evacuation vacancy 121 is concane gap.
The automatic Focus voice coil motor 2 is mounted on movable plate 12, and movable plate 12 drives automatic Focus voice coil motor 2 in X/Y plane
Mobile, the downside of automatic Focus voice coil motor 2 is equipped with connection pad 21, and the corresponding fitting welding copper dish 31 of the connection pad 21 are welded
Connection.Further, the welding copper dish 31 have the through-hole 32 in the evacuation vacancy 121 of perforation movable plate 12, and scolding tin passes through should
Through-hole 32 is welded to connect the connection pad 21 of automatic Focus voice coil motor 2 and welding copper dish 31, the structure facilitate circuit connection, real
Now automatic Focus voice coil motor is firm and stable be connected on movable plate 12 that be powered.
Flexible circuit board of the utility model directly on movable plate grows welding copper dish, by the welding copper dish and automatically
The connection pad of Focus voice coil motor is bonded welding, and cleverly connection structure designs, solve automatic Focus voice coil motor with it is miniature
The problem of being electrically connected between memorial alloy optical anti-vibration actuator.Connected using flexible circuit board automatic Focus voice coil motor with
Minisize memory alloy optical anti-vibration actuator is solved by by the ingenious laying of flexible circuit board, being allowed to have stronger modification ability
Multi-line connection may be implemented in the problem of certainly movable plate and fixed plate relatively move, and simple process, structural stability is high, and
Mould group whole height is not will increase, product structure is lightly changed and minimized, and reduces manufacturing cost.
Embodiment is combined to elaborate the utility model above, only the technical concept to illustrate the utility model
And feature can not be with this its object is to allow person skilled in the art to understand the content of the utility model and be implemented
The restriction protection scope of the utility model, therefore all equivalent change or modifications substantially done according to the spirit of the present invention, are all answered
Cover within the protection scope of the present utility model.
Claims (3)
1. the electric connection structure of micro-optical stabilization drive motor, include minisize memory alloy optical anti-vibration actuator (1) and
The automatic Focus voice coil motor (2) being mounted on minisize memory alloy optical anti-vibration actuator (1), automatic Focus voice coil motor
(2) over-assemble camera lens；It is characterized by: minisize memory alloy optical anti-vibration actuator (1) has fixed plate (11), movable plate
(12) and it is connected and fixed the memory alloy wire (13) of plate (11) and movable plate (12), the upper side of movable plate (12) is equipped with flexible wires
Road plate (3), flexible circuit board (3), which is equipped with, grows welding copper dish (31), the corresponding welding copper dish of movable plate (12) by etching
(31) position is equipped with evacuation vacancy (121)；The automatic Focus voice coil motor (2) is mounted on movable plate (12), movable plate
(12) drive automatic Focus voice coil motor (2) in the movement of X/Y plane, the downside of automatic Focus voice coil motor (2) is equipped with connection weldering
Disk (21), corresponding fitting welding copper dish (31) of the connection pad (21) are welded to connect.
2. the electric connection structure of micro-optical stabilization drive motor according to claim 1, it is characterised in that: the welding
Copper dish (31) have the through-hole (32) in the evacuation vacancy (121) of perforation movable plate (12), and scolding tin passes through the through-hole (32) welding and connects
It is connected to connection pad (21) and welding copper dish (31) of dynamic Focus voice coil motor (2).
3. the electric connection structure of micro-optical stabilization drive motor according to claim 1, it is characterised in that: the activity
Plate (12) activity is erected on fixed plate (11), and fixed plate (11) is fixed on substrate (14), and movable plate (12) has spring arm
(122), spring arm (122) is fixed on fixed plate (11) and realizes flexible circuit board (3) and fixed plate on movable plate (12)
(11) circuit board communication on is arranged one or more spring bearings (15) between movable plate (12) and fixed plate (11), is made
Movable plate (12) can be moved under the constraint of spring arm (122) with opposing fixed plate (11)；Movable plate (12) and fixed plate (11)
Upper difference is diagonally equipped with memory alloy wire fixing clamp, clamps the end of memory alloy wire (13), memory alloy wire respectively with this
(13) there are four and be distributed by quadrangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408517.4U CN208986774U (en) | 2018-08-30 | 2018-08-30 | The electric connection structure of micro-optical stabilization drive motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408517.4U CN208986774U (en) | 2018-08-30 | 2018-08-30 | The electric connection structure of micro-optical stabilization drive motor |
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| Publication Number | Publication Date |
|---|---|
| CN208986774U true CN208986774U (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821408517.4U Active CN208986774U (en) | 2018-08-30 | 2018-08-30 | The electric connection structure of micro-optical stabilization drive motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068362A (en) * | 2021-03-26 | 2021-07-02 | 新思考电机有限公司 | Flexible circuit board assembly, driving device, camera module and electronic product |
| CN113067175A (en) * | 2021-03-18 | 2021-07-02 | 新思考电机有限公司 | Base terminal pad structure, lens driving device, camera device and electronic product |
| WO2023036304A1 (en) * | 2021-09-13 | 2023-03-16 | 格科微电子（上海）有限公司 | Optical anti-shake apparatus and camera module |
| CN117639423A (en) * | 2022-10-31 | 2024-03-01 | 华为技术有限公司 | Camera motor, camera module and electronic equipment |
-
2018
- 2018-08-30 CN CN201821408517.4U patent/CN208986774U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067175A (en) * | 2021-03-18 | 2021-07-02 | 新思考电机有限公司 | Base terminal pad structure, lens driving device, camera device and electronic product |
| CN113068362A (en) * | 2021-03-26 | 2021-07-02 | 新思考电机有限公司 | Flexible circuit board assembly, driving device, camera module and electronic product |
| WO2023036304A1 (en) * | 2021-09-13 | 2023-03-16 | 格科微电子（上海）有限公司 | Optical anti-shake apparatus and camera module |
| CN117639423A (en) * | 2022-10-31 | 2024-03-01 | 华为技术有限公司 | Camera motor, camera module and electronic equipment |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220121 Address after: 523000 Room 301, building 4, No. 7, Xinhe Shengfeng Road, Wanjiang street, Dongguan City, Guangdong Province Patentee after: Guangdong haideya Technology Co.,Ltd. Address before: 3 / F, building D, No. 12, Shengfeng Road, Xinhe community venture industrial park, Wanjiang District, Dongguan City, Guangdong Province 523000 Patentee before: DONGGUAN YADENG ELECTRONICS Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240829 Address after: 215311, 2nd Floor, No. 2133 Donghe Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Henan Haoze Electronics Co.,Ltd. Kunshan Branch Country or region after: China Address before: 523000 Room 301, building 4, No. 7, Xinhe Shengfeng Road, Wanjiang street, Dongguan City, Guangdong Province Patentee before: Guangdong haideya Technology Co.,Ltd. Country or region before: China |
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