CN108247309A - The memory alloy wire installation method of micro-optical camera module - Google Patents
The memory alloy wire installation method of micro-optical camera module Download PDFInfo
- Publication number
- CN108247309A CN108247309A CN201711380399.0A CN201711380399A CN108247309A CN 108247309 A CN108247309 A CN 108247309A CN 201711380399 A CN201711380399 A CN 201711380399A CN 108247309 A CN108247309 A CN 108247309A
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- memory alloy
- alloy wire
- micro
- camera module
- optical camera
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Studio Devices (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The present invention relates to camera technical fields, and more particularly, to the memory alloy wire installation method of micro-optical camera module, this method comprises the following steps：S1, a jig is provided, which has the arm that can be opened relatively, and arm foundation needs the length of memory alloy wire to open and clamps the respective end of memory alloy wire；S2, the respective end for shearing memory alloy wire, the memory alloy wire for obtaining certain length are parked between two arms of jig；S3, memory alloy wire is transplanted in micro-optical camera module by jig, the two ends of memory alloy wire is fixedly connected with micro-optical camera module；S4, jig is exited, that is, completes memory alloy wire and be installed in micro-optical camera module.The present invention is realized to capture on jig, adapt to adjustment and move on to memory alloy wire in micro-optical camera module after cutting and is fixedly connected, simple for process, easy to operate, promotes packaging efficiency and quality.
Description
Technical field
The present invention relates to camera technical fields, and head mould is imaged more particularly, to the micro-optical with optics debugging functions
The memory alloy wire installation method of group.
Background technology
Miniature automatic focusing camera is widely used in the productions such as mobile phone, automobile, unmanned aerial vehicle, safety monitoring, smart home
Among product.Common miniature automatic focusing camera module is moved down in the direction of the optical axis by a miniature voice coil motor driving camera lens
It is dynamic, by the way that chip drives voice coil motor is controlled to move when taking pictures, so as to fulfill automatic focusing function.When taking pictures or imaging, camera lens
Shake or other reasons that can be because of people cannot keep absolutely steady, generate 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 are happened at 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, driving camera lens is 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, and camera lens is detected 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 send out order-driven stabilization actuator and reach designated position, so as to which the camera lens that makes corrections during shake because generating
Displacement deflection, making to take pictures or imaging obtains better image quality.
It in the prior art, can also in the both direction of vertical optical axis being moved with driving camera lens in optical axis direction
Using same method, i.e., realized using miniature voice coil motor.Common miniature voice coil motor is by hot-wire coil in magnetic field
Generate the movement of 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
Needs to arrange multiple coils, and integrally-built micromation can be given to bring certain challenge.For this purpose, it is 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 coils, and optics is solved with this
The dimensional problem of stabilization actuator.But miniature voice coil motor optical anti-vibration actuator and the miniature voice coil motor that focuses on automatically
The two is separation, and camera lens is often mounted in the miniature voice coil motor focused on automatically, to make camera lens in vertical optical axis direction
Upper movement, that is, camera lens is made to be moved with the miniature voice coil motor focused on automatically.Therefore, this kind of micro-optical stabilization camera shooting
Head mould group assembly technology is more difficult, also makes the structural reliability of entire micro motor reduce.Then have using memorial alloy
Silk come micro-optical camera module that automatic Focus voice coil motor is driven move on vertical optical axis direction, as shown in Figure 1, this
Module has protection outer cover 101, camera lens 102, automatic Focus voice coil motor 103, image sensor module 104 and minisize memory
Alloy optical anti-vibration actuator 105, camera lens 102 are fixed on automatic Focus voice coil motor 103, minisize memory alloy optical anti-vibration
Actuator 105 has the camera lens mounting hole that adaptation camera lens 102 is installed, the image that image sensor module 104 obtains camera lens 102
Outflow.The automatic Focus voice coil motor 103 is fixed on above minisize memory alloy optical anti-vibration actuator 105, controls chip
Length based on the memory alloy wire 106 on minisize memory alloy optical anti-vibration actuator 105 changes to pull automatic focusing sound
Coil motor 103 moves, and realizes the jitter compensation of camera lens 102.But the existing micro-optical using memory alloy wire images head mould
Group, memory alloy wire implantation assemble method are：The memory alloy wire of corresponding length is first measured and cut, then captures note again
Recall B alloy wire to be assembled on minisize memory alloy optical anti-vibration actuator, there are things in practical operation for this implantation assemble method
It first cuts, so that memory alloy wire length cannot require to adapt to adjustment, and crawl assembling is inconvenient, influences packaging efficiency with assembling
And quality.
Invention content
It is an object of the invention to overcome prior art defect, a kind of memorial alloy of micro-optical camera module is provided
Silk installation method, promotes packaging efficiency and quality.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
The memory alloy wire installation method of micro-optical camera module, this method comprises the following steps：
S1, a jig is provided, which has the arm that can be opened relatively, and arm foundation needs the length of memory alloy wire to open
And clamp the respective end of memory alloy wire；
S2, the respective end for shearing memory alloy wire, the memory alloy wire for obtaining certain length are parked between two arms of jig；
S3, memory alloy wire is transplanted in micro-optical camera module by jig, by the two ends of memory alloy wire with
Micro-optical camera module is fixedly connected；
S4, jig is exited, that is, completes memory alloy wire and be installed in micro-optical camera module.
In said program, the arm end of the jig has the clamping opening of activity opening and closing, and clamping opening is by arm and the arm back side
The shrapnel of setting is formed.
In said program, the shrapnel carries over arm setting, and shrapnel is equipped with positioning protrusion towards the side of arm, this is fixed
In the locating slot that position protrusion is caught in clamping opening co-clip on arm.
In said program, the jig is U-shaped, and the root of jig has the outer U elastic portions of connection left and right arm and interior U bullets
Property portion.
In said program, the outer U elastic portions and interior U elastic portions are symmetrical body.
In said program, the position that the micro-optical camera module is fixedly connected with memory alloy wire is stabilization actuator
On grab line portion, this grabs line portion equipped with upper lower interlayer, and two interlayers clamp the end of memory alloy wire, and two interbedded pressings
Interface presents the biting point of tooth form, and the end of memory alloy wire follows biting point to be bent.
In said program, for the upper lower interlayer for grabbing line portion by grabbing line portion fold construction, biting point is that upper lower interlayer is based on
Dent formation on mold.
In said program, the biting point is the channel away with memory alloy wire square crossing.
In said program, the section of the biting point is in concave arc shape.
Using the above method, the present invention, which is realized, to be captured on jig, adapt to adjustment and moves on to memory alloy wire after cutting
It is fixedly connected in micro-optical camera module, it is simple for process, it is easy to operate, promote packaging efficiency and quality.
Description of the drawings：
Attached drawing 1 is the structure diagram of the prior art；
Assembling flow path schematic diagram of the attached drawing 2 for the present invention；
Attached drawing 3 clamps operating diagram for the clamping opening of the arm end of Fig. 2 embodiments；
The position one example structure that attached drawing 4 is fixedly connected with memory alloy wire for the micro-optical camera module of the present invention is shown
It is intended to；
Attached drawing 5 is Fig. 4 embodiment composite structure enlarged diagrams.
Specific embodiment：
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with abundant
Ground understands the purpose of the present invention, feature and effect.
Refering to shown in Fig. 2,3, the present invention, should in relation to a kind of memory alloy wire installation method of micro-optical camera module
Method includes the following steps：
S1, provide a jig 1, the jig 1 have can the opposite arm 11 opened, arm 11 is according to needing memory alloy wire 2
Length opens and clamps the respective end of memory alloy wire 2, and 2 length of memory alloy wire clamped by 1 left and right arm 11 of jig is then
The length needed.The left and right arm 11 of jig 1 two arms 11 can be pressed from both sides together simultaneously according to opening certain size is needed during operation
Memory alloy wire 2 is held, one end that memory alloy wire 2 also can be first pressed from both sides by an arm 11 opens another arm 11 and presss from both sides memory alloy wire again
2；Otherwise it is also such during adjustment clamping dimension.
S2, the respective end for shearing memory alloy wire 2（Can be one or both ends）, obtain the memory alloy wire of certain length
2 are parked between two arms 11 of jig 1.
S3, the memory alloy wire 2 sheared is transplanted in micro-optical camera module by jig 1, memory is closed
The two ends of spun gold are fixedly connected with micro-optical camera module.
S4, jig 1 is exited, that is, completes memory alloy wire and be installed in micro-optical camera module.
Fig. 2, shown in 3, in the present embodiment, 11 end of arm of the jig 1 has the clamping opening of activity opening and closing, and clamping opening is by hand
The shrapnel 12 that arm 11 is set with the arm back side is formed.The shrapnel 12 of the present embodiment carries over arm 11 and sets, and shrapnel 12 is towards arm
Side be equipped with positioning protrusion 121, which is caught in clamping opening co-clip in the locating slot 111 on arm.The knot
Structure promotes pickup efficiency, and clamping stablizes, is accurate, preventing from loosening.Shrapnel 12 by additional combinations in jig 1, it is simple in structure,
Facilitate processing and fabricating and use.The jig 1 of the present embodiment is U-shaped, and the root of jig 1 has the outer U elasticity of connection left and right arm
Portion 13 and interior U elastic portions 14, it may be preferable that the outer U elastic portions 13 and interior U elastic portions 14 are symmetrical body, are had good
Elasticity, fatigue resistance are good.During implementation, the root of jig 1 can connect corresponding mechanical part, to realize work manually or automatically
Pattern.
Fig. 4, shown in 5, in the present embodiment, the position that the micro-optical camera module is fixedly connected with memory alloy wire is
Line portion 31 is grabbed on stabilization actuator 3, grabs line portion 31 equipped with upper lower interlayer 311, two interlayers 311 clamp the end of memory alloy wire 2
Head, and the pressing interface between two interlayers 311 presents the biting point 312 of tooth form, the end of memory alloy wire 2 follows biting point
312 bendings.This is simple in structure, stable connection, reliable, and the end and stabilization actuator connection card site of memory alloy wire are more, tool
There is splendid anticreep pull resistance.The end of memory alloy wire follows biting point to be bent, and keeps the structure of memory alloy wire, does not have
Beneficial alloying element damage, it is ensured that performance, and service life is long.
Fig. 4, shown in 5, the upper lower interlayer 311 for grabbing line portion 31 of the present embodiment turns down construction, integraty knot by grabbing line portion 31
Structure, it is structural good, it also allows for making.Biting point 312 is that upper lower interlayer 311 is based on dent formation on mold 4, passes through cold pressing group
Dress, simplifies package assembly, reduces cost.The biting point 312 is the channel away with 2 square crossing of memory alloy wire,
The section of biting point 312 is in concave arc shape.The structure assembles convenient for cold pressing, also reaches and stablizes connected memory alloy wire 2, has splendid
Anticreep pull resistance, while ensure that the structure of memory alloy wire is without damage, it is ensured that performance.
11 opening and closing of left and right arm that the present invention passes through jig 1, you can adapt to assembling requirement adjustment memory alloy wire length, adjust
It is whole convenient, fast, help to promote packaging efficiency and quality.
The present invention is elaborated above in association with embodiment, only technical concepts and features to illustrate the invention,
Its object is to which person skilled in the art is allowed to understand present disclosure and is implemented, it can not limit the present invention's with this
Protection domain, therefore all equivalent change or modifications done according to spirit of the invention should all cover the protection model in the present invention
In enclosing.
Claims (9)
1. the memory alloy wire installation method of micro-optical camera module, it is characterised in that：This method comprises the following steps：
S1, a jig is provided, which has the arm that can be opened relatively, and arm foundation needs the length of memory alloy wire to open
And clamp the respective end of memory alloy wire；
S2, the respective end for shearing memory alloy wire, the memory alloy wire for obtaining certain length are parked between two arms of jig；
S3, memory alloy wire is transplanted in micro-optical camera module by jig, by the two ends of memory alloy wire with
Micro-optical camera module is fixedly connected；
S4, jig is exited, that is, completes memory alloy wire and be installed in micro-optical camera module.
2. the memory alloy wire installation method of micro-optical camera module according to claim 1, it is characterised in that：Institute
Stating the arm end of jig has the clamping opening of activity opening and closing, and clamping opening is made of the shrapnel that arm is set with the arm back side.
3. the memory alloy wire installation method of micro-optical camera module according to claim 2, it is characterised in that：Institute
It states shrapnel and carries over arm setting, shrapnel is equipped with positioning protrusion towards the side of arm, which blocks in clamping opening co-clip
Enter in the locating slot on arm.
4. the memory alloy wire installation method of micro-optical camera module according to claim 1, it is characterised in that：Institute
Jig is stated as U-shaped, the root of jig has the outer U elastic portions of connection left and right arm and interior U elastic portions.
5. the memory alloy wire installation method of micro-optical camera module according to claim 4, it is characterised in that：Institute
It is symmetrical body to state outer U elastic portions and interior U elastic portions.
6. the memory alloy wire installation method of micro-optical camera module according to claim 1, it is characterised in that：Institute
It is to grab line portion on stabilization actuator to state micro-optical camera module and be fixedly connected with the position of memory alloy wire, this is grabbed line portion and sets
There is upper lower interlayer, two interlayers clamp the end of memory alloy wire, and two interbedded pressing interfaces present the occlusion of tooth form
Point, the end of memory alloy wire follow biting point to be bent.
7. the memory alloy wire installation method of micro-optical camera module according to claim 6, it is characterised in that：Institute
It is that upper lower interlayer is based on dent formation on mold that the upper lower interlayer for grabbing line portion, which is stated, by grabbing line portion fold construction, biting point.
8. the memory alloy wire installation method of the micro-optical camera module described according to claim 6 or 7, feature exist
In：The biting point is the channel away with memory alloy wire square crossing.
9. the memory alloy wire installation method of micro-optical camera module according to claim 8, it is characterised in that：Institute
The section for stating biting point is in concave arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380399.0A CN108247309B (en) | 2017-12-20 | 2017-12-20 | Memory alloy wire mounting method for micro optical camera module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380399.0A CN108247309B (en) | 2017-12-20 | 2017-12-20 | Memory alloy wire mounting method for micro optical camera module |
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| CN108247309A true CN108247309A (en) | 2018-07-06 |
| CN108247309B CN108247309B (en) | 2020-05-22 |
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| CN201711380399.0A Active CN108247309B (en) | 2017-12-20 | 2017-12-20 | Memory alloy wire mounting method for micro optical camera module |
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