CN204462606U - Optic axis hang down improvement anti-hand shaking voice coil motor - Google Patents
Optic axis hang down improvement anti-hand shaking voice coil motor Download PDFInfo
- Publication number
- CN204462606U CN204462606U CN201420863258.XU CN201420863258U CN204462606U CN 204462606 U CN204462606 U CN 204462606U CN 201420863258 U CN201420863258 U CN 201420863258U CN 204462606 U CN204462606 U CN 204462606U
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- voice coil
- coil motor
- circuit board
- motor body
- magnet
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Abstract
The utility model discloses a kind of optic axis hang down improvement anti-hand shaking voice coil motor, comprise base, shell, voice coil motor body, circuit board, Hall element and magnet, described shell is fixed on described base, described shell and described base form a cavity, described voice coil motor body, circuit board, Hall element and magnet are arranged in this cavity, described circuit board is arranged at the side of described voice coil motor body, be fixed in described cavity, described voice coil motor body can move on described circuit board, described voice coil motor body is fixed with some blocks of described magnet near described circuit board place, described circuit board is all provided with coil with described magnet corresponding position, described circuit board is provided with described Hall element with described magnet corresponding position.The utility model has and can overcome the optic axis produced in anti-hand shaking correction process and to hang down the problem of deviation.
Description
Technical field
The utility model belongs to photographic equipment technical field, relates to voice coil motor, particularly relate to optic axis hang down improvement anti-hand shaking voice coil motor.
Background technology
At present, people use digital camera to make a video recording usually.In shooting process, with micro-the rocking of have gentle hands during manual manipulation digital camera, cameraman often causes that capture error is large, photo is unintelligible and the phenomenon such as photo ghost image, therefore the voice coil motor of digital camera generally all possesses the function of anti-hand shaking.Existing voice coil motor, it adopts stabilization rotation of lens mode or camera lens X-axis displacement mode to realize the function of anti-hand shaking usually, but all there is optic axis and to hang down the problem of deviation in these two kinds of modes in anti-hand shaking correction process, described optic axis deviation of hanging down is: in voice coil motor stabilization correction process, voice coil motor body and optic axis verticality are deteriorated, thus make voice coil motor and optic axis create a deviation angle.For this reason, a kind of voice coil motor of necessary design, can overcome the optic axis produced in anti-hand shaking correction process and to hang down the problem of deviation.
Utility model content
The purpose of this utility model is to provide and a kind ofly overcomes the optic axis produced in anti-hand shaking correction process and to hang down the anti-hand shaking voice coil motor of problem of deviation.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: optic axis hang down improvement anti-hand shaking voice coil motor, comprise base, shell, voice coil motor body, circuit board, Hall element and magnet, described shell is fixed on described base, described shell and described base form a cavity, and described voice coil motor body, circuit board, Hall element and magnet are arranged in this cavity;
Described circuit board is arranged at the side of described voice coil motor body, be fixed in described cavity, described circuit board is perpendicular to the center line of described voice coil motor body, described voice coil motor body can move on described circuit board, described voice coil motor body is fixed with some blocks of described magnet near described circuit board place, described circuit board is all provided with coil with described magnet corresponding position, described circuit board is provided with described Hall element with described magnet corresponding position.
Further, described voice coil motor body is fixed with four blocks of described magnet near described circuit board place.
Further, be provided with near the side of voice coil motor body described in described circuit board the magnet groove that four can be held described magnet, four blocks of described magnet are individually fixed in these four magnet grooves.
Further, four blocks of described magnet are all cuboid, and size is all the same, and described magnet adjacent is between two mutually vertical.
Further, described voice coil motor body comprises input conduction brush projecting arm and exports conduction brush projecting arm, the first opening and the second opening is provided with near the side of voice coil motor body described in described circuit board, described input conduction brush projecting arm is stretched out from described first opening and is fitted with the input end of described circuit board and connects, and described output conduction brush projecting arm is stretched out from described second opening and fitted with the output terminal of described circuit board and connects.
Further, four ball grooves are provided with near the side of voice coil motor body described in described circuit board, in these four ball grooves, a ball is housed respectively, this ball can in groove Free-rolling, this ball part protrudes from the side of described voice coil motor body, and the distance of the top of projection and the side of described voice coil motor body is less than the distance of the distance of the top of described input conduction brush projecting arm and the side of described voice coil motor body, the top of described output conduction brush projecting arm and the side of described voice coil motor body.
Further, the side of circuit board described in described magnet is provided with magnetic conductive board, and the size and shape of this magnetic conductive board is the same with the size and shape of described circuit board.
Further, two sides adjacent on described shell are respectively equipped with the edge extended internally, and described voice coil motor body is provided with edge groove with this edge corresponding position, and described edge stretches in this edge groove.
The utility model beneficial effect: anti-hand shaking voice coil motor described in the utility model, when under external force, rocking appears in anti-hand shaking voice coil motor, the voice coil motor body carrying lens assembly also can occur mobile on circuit boards, the Hall element be now fixed on circuit board senses the movement of voice coil motor body, and displacement signal is passed to external control circuit, external control circuit is to the coil power supply on circuit board, coil and magnet produce electromagnetic attraction, make voice coil motor body get back to original position rapidly, realize stabilization correcting function.This stabilization mode, in stabilization correction process, voice coil motor body gets back to original position rapidly, center line and the circuit board of voice coil motor body still keep vertical, therefore voice coil motor body and optic axis can not produce dip deviation, thus overcome the optic axis produced in anti-hand shaking correction process and to hang down the problem of deviation.
Accompanying drawing explanation
Fig. 1 is the explosive view of the anti-hand shaking voice coil motor of the utility model embodiment.
Fig. 2 is the perspective view of the voice coil motor body of the utility model embodiment.
Fig. 3 is A direction view in Fig. 2.
Fig. 4 is the zoomed-in view of part B in Fig. 3.
Fig. 5 is the perspective view of the shell of the utility model embodiment.
Description of reference numerals:
Base 1, buckle 11;
Magnetic conductive board 2;
Circuit board 3;
Hall element 4;
Ball 5;
Magnet 6;
Voice coil motor body 7, input conduction brush projecting arm 71, output conduction brush projecting arm 72, edge groove 73;
Shell 8, edge 81, buttonhole 82.
Embodiment
As shown in Figure 1, the anti-hand shaking voice coil motor of the present embodiment, comprises base 1, shell 8, voice coil motor body 7, PCB 3, Hall element 4 and magnet 6.Base 1 is in the square bodily form, and medium position is processed with a through hole, and shell 8 is in the square bodily form, the medium position of one side is processed with a through hole, shell 8 is sleeved on base 1, and the buckle 11 on base 1 engages with the card eye 82 on shell 8, thus shell 8 is fixed on base 1.Now, shell 8 and base 1 form a cavity, and voice coil motor body 7, PCB 3, Hall element 4 and magnet 6 are installed in this cavity.Voice coil motor body 7 is in the square bodily form, and middle part is processed with a through hole, and the position of this through hole is corresponding with the position of the position of the through hole on base 1 and shell 8 through hole simultaneously, and this through hole is for accommodating lens assembly.Near the side of base 1 voice coil motor body 7, one piece of PCB 3 is housed, the size and shape of PCB 3 is the same with the size and shape of voice coil motor body 7, PCB 3 is fixed on base 1, and perpendicular to the center line of voice coil motor body 7, voice coil motor body 7 can move in PCB 3, but displacement is no more than 0.2mm.The magnet groove that four can be held magnet 6 is processed with near the side of PCB 3 voice coil motor body 7, four blocks of magnet 6 are individually fixed in magnet groove, these four blocks of magnet 6 are all cuboid, size is all the same, magnet 6 adjacent is between two mutually vertical, and the long limit of magnet 6 is parallel with the side near magnet 6 voice coil motor body 7.PCB 3 is all fixed with coil with these four pieces of magnet 6 corresponding positions, coil is inlaid in PCB 3, circuit ON in coil and PCB 3, PCB 3 and external control circuit are connected, and external control circuit passes through circuit in PCB 3 to coil power supply.PCB 3 is fixed with adjacent two pieces of magnet 6 corresponding positions the Hall element 4 that is responded to the position of voice coil motor body 7 respectively, and these two Hall elements 4 are all cuboid, and right-angled intersection is fixed in PCB 3.These two Hall elements 4 are connected with the circuit in PCB 3, and the circuit in PCB 3 and external control circuit are connected, and when voice coil motor body 7 moves, these two Hall elements 4 send the displacement signal sensed to external control circuit.
As preferred version of the present utility model, the side away from magnet 6PCB circuit board 3 is provided with the magnetic conductive board 2 that a block of material is metal, and the size and shape of this magnetic conductive board 2 is the same with the size and shape of PCB 3.This block magnetic conductive board 2 can concentrate the magnetic field of magnet 6, thus improves the electromagnetic actuation force between coil and magnet 6, and magnet 6 and magnetic conductive board 2 produce suction simultaneously.
As preferred version of the present utility model, with reference to Fig. 2, Fig. 3 and Fig. 4, voice coil motor body 7 comprises two input conduction brush projecting arm 71 and two output conduction brush projecting arm 72, two the first openings and two the second openings are processed with near the side of PCB 3 voice coil motor body 7, two input conduction brush projecting arm 71 are stretched out from these two first openings and are fitted with the input end of PCB 3 respectively and connect, two output conduction brush projecting arm 72 are stretched out from two the second openings and are fitted with the output terminal of PCB 3 respectively and connect, two input conduction brush projecting arm 71 and two output conduction brush projecting arm 72 are connected with external circuit respectively, the circuit ON of coil and PCB 3, thus make external circuit to the coil power supply in PCB 3.In order to increase the conduction of joint place, coat appropriate conductive contact oil in joint place.Four ball grooves are provided with near the side of PCB 3 voice coil motor body 7, in these four ball grooves, a ball 5 is housed respectively, this ball 5 can in groove Free-rolling, this ball 5 part protrudes from the side of voice coil motor body 7, the distance of the top of projection and the side of voice coil motor body 7 is less than the distance of the side of top and the voice coil motor body 7 inputting conduction brush projecting arm 71, export the distance of the top of conduction brush projecting arm 72 and the side of voice coil motor body 7, the top of these four ball 5 projections is the same from the distance of the side of voice coil motor body 7.Under the magneticaction of magnet 6, magnetic conductive board 2 is subject to the suction of magnet 6, thus make magnetic conductive board 2 compress PCB 3, PCB 3 compresses two input conduction brush projecting arm 71 and two output conduction brush projecting arm 72, compress four can the top of ball 5 simultaneously, thus making for rolling friction between voice coil motor body 7 and PCB 3, voice coil motor body 7 is less, mobile quicker at the resistance of PCB movement on the surface.Also have, the input end inputting conduction brush projecting arm 71 and the coil in PCB 3 to make two exports conduction brush projecting arm 72 contact well with the output terminal of the coil in PCB 3 with two, during design, the top 0.01mm ~ 0.05mm lower with the top exporting conduction brush projecting arm 72 than the top of input conduction brush projecting arm 71 of ball 5 projection.
As preferred version of the present utility model, with reference to Fig. 5, two sides adjacent on shell 8 are respectively equipped with the edge 81 extended internally for a pair, and edge 81 is acute angle with the angle of shell 8 side.With reference to Fig. 2, voice coil motor body 7 is processed with to edge 81 corresponding position the edge groove 73 that cross section is rectangle with this respectively.When voice coil motor body 7 is arranged in shell 8, edge 81 stretches in edge groove 73, thus defines the moving range of voice coil motor body 7 on the depth direction of shell 8, and is unlikely to occur the phenomenon that gets loose.
Above the utility model and embodiment thereof are specifically described, but not be limited, one skilled in the art are to be understood that, still can modify to the utility model embodiment, the shape as magnet can the side's of being bodily form, cylindrical or other suitable shape.Therefore, not departing from any amendment of the utility model spirit and scope or equivalent replacement, all should be encompassed in protection domain of the present utility model.
Claims (8)
1. optic axis hang down improvement anti-hand shaking voice coil motor, comprise base (1), shell (8), voice coil motor body (7), circuit board (3), Hall element (4) and magnet (6), described shell (8) is fixed on described base (1), described shell (8) and described base (1) form a cavity, described voice coil motor body (7), circuit board (3), Hall element (4) and magnet (6) are arranged in this cavity, it is characterized in that:
Described circuit board (3) is arranged at the side of described voice coil motor body (7), be fixed in described cavity, described circuit board (3) is perpendicular to the center line of described voice coil motor body (7), described voice coil motor body (7) can be upper mobile at described circuit board (3), described voice coil motor body (7) is upper is fixed with some pieces of described magnet (6) near described circuit board (3) place, described circuit board (3) is upper is all provided with coil with described magnet (6) corresponding position, described circuit board (3) is upper is provided with described Hall element (4) with described magnet (6) corresponding position.
2. optic axis according to claim 1 hangs down the anti-hand shaking voice coil motor of improvement, and it is characterized in that, described voice coil motor body (7) is upper is fixed with four pieces of described magnet (6) near described circuit board (3) place.
3. optic axis according to claim 2 hang down improvement anti-hand shaking voice coil motor, it is characterized in that, be provided with near the side of described circuit board (3) described voice coil motor body (7) the magnet groove that four can be held described magnet (6), four pieces of described magnet (6) are individually fixed in these four magnet grooves.
4. optic axis according to claim 3 hangs down the anti-hand shaking voice coil motor of improvement, and it is characterized in that, four pieces of described magnet (6) be all cuboid, and all, described magnet (6) adjacent is between two mutually vertical for size.
5. optic axis according to claim 1 hang down improvement anti-hand shaking voice coil motor, it is characterized in that, described voice coil motor body (7) comprises input conduction brush projecting arm (71) and exports conduction brush projecting arm (72), the first opening and the second opening is provided with near the side of the described voice coil motor body (7) of described circuit board (3), described input conduction brush projecting arm (71) is stretched out from described first opening and is fitted with the input end of described circuit board (3) and connects, described output conduction brush projecting arm (72) is stretched out from described second opening and is fitted with the output terminal of described circuit board (3) and connects.
6. optic axis according to claim 5 hang down improvement anti-hand shaking voice coil motor, it is characterized in that, four ball grooves are provided with near the side of the described voice coil motor body (7) of described circuit board (3), a ball (5) is housed in these four ball grooves respectively, this ball (5) can in groove Free-rolling, this ball (5) part protrudes from the side of described voice coil motor body (7), the distance of the top of projection and the side of described voice coil motor body (7) is less than the distance of the top of described input conduction brush projecting arm (71) and the side of described voice coil motor body (7), the distance of the top of described output conduction brush projecting arm (72) and the side of described voice coil motor body (7).
7. optic axis according to claim 1 hang down improvement anti-hand shaking voice coil motor, it is characterized in that, the side of circuit board (3) described in described magnet is provided with magnetic conductive board (2), and the size and shape of this magnetic conductive board (2) is the same with the size and shape of described circuit board (3).
8. optic axis according to claim 1 hang down improvement anti-hand shaking voice coil motor, it is characterized in that, upper two the adjacent sides of described shell (8) are respectively equipped with the edge (81) extended internally, on described voice coil motor body (7) and this edge (81) corresponding position is provided with edge groove (73), and described edge (81) stretches in this edge groove (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420863258.XU CN204462606U (en) | 2014-12-31 | 2014-12-31 | Optic axis hang down improvement anti-hand shaking voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420863258.XU CN204462606U (en) | 2014-12-31 | 2014-12-31 | Optic axis hang down improvement anti-hand shaking voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204462606U true CN204462606U (en) | 2015-07-08 |
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ID=53669469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420863258.XU Expired - Fee Related CN204462606U (en) | 2014-12-31 | 2014-12-31 | Optic axis hang down improvement anti-hand shaking voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204462606U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277338A (en) * | 2017-08-14 | 2017-10-20 | 河南省皓泽电子有限公司 | A kind of automatic focusing mechanism with shake blur correcting structure |
| CN109089033A (en) * | 2018-10-22 | 2018-12-25 | 惠州市桑莱士智能科技股份有限公司 | Camera module |
| CN112965317A (en) * | 2021-02-26 | 2021-06-15 | 北京可利尔福科技有限公司 | Optical anti-shake motor and camera module |
-
2014
- 2014-12-31 CN CN201420863258.XU patent/CN204462606U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277338A (en) * | 2017-08-14 | 2017-10-20 | 河南省皓泽电子有限公司 | A kind of automatic focusing mechanism with shake blur correcting structure |
| CN109089033A (en) * | 2018-10-22 | 2018-12-25 | 惠州市桑莱士智能科技股份有限公司 | Camera module |
| CN112965317A (en) * | 2021-02-26 | 2021-06-15 | 北京可利尔福科技有限公司 | Optical anti-shake motor and camera module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20171231 |