CN208384214U - A kind of ball-type closed loop voice coil motor - Google Patents
A kind of ball-type closed loop voice coil motor Download PDFInfo
- Publication number
- CN208384214U CN208384214U CN201820855290.1U CN201820855290U CN208384214U CN 208384214 U CN208384214 U CN 208384214U CN 201820855290 U CN201820855290 U CN 201820855290U CN 208384214 U CN208384214 U CN 208384214U
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- ball
- camera lens
- pedestal
- magnetite
- voice coil
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Abstract
The utility model discloses a kind of ball-type closed loop voice coil motors, including shell, camera aperture, recess, side opening, ball, camera lens carrier, ball grooves, magnetite slot, magnetite, pedestal, placement circle, fixture block, fixed plate, substrate, wiring board, fastening screw, through-hole, connecting plate, Hall sensor and driving chip.The beneficial effects of the utility model are: the through-hole that fastening screw passes through on substrate end-face is connect with connecting plate, and wiring board is installed below substrate, be conducive to that wiring board is stable to be acted in fixed plate, realize the function of wiring board, increase the practicability of voice coil motor, promote working efficiency, the corner and side of camera lens carrier are respectively arranged with ball grooves and magnetite slot, and ball and magnetite are mounted on the inside of ball grooves and magnetite slot, the frictional force generated in ball grooves by the attraction and ball of magnetite, the movement of camera lens is controlled using electromagnetism etc..
Description
Technical field
The utility model relates to a kind of motor apparatus, specially a kind of ball-type closed loop voice coil motor.
Background technique
With constantly bringing forth new ideas for mobile phone market, user experience function is more and more wider, speed that mobile phone camera is taken pictures, clear
Degree and low-power consumption require to become the one of VCM market competition sharp sword.Common Open loop motor is being focused currently on the market
It can not show a candle to closed loop motor in speed, clarity and low-power consumption, and ball-type closed loop motor is a kind of driving IC to be built in VCM
Portion, band EPPROM burning program, Hall are corrected, and the industries such as collection machinery, electric and electronic, electromagnetism, optics and software are mutually matched
High-tech product.Therefore, how the cooperations such as IC planner, VCM, Module, mobile phone terminal software to be joined together also to be a ask
Topic, for these problems, we provide a kind of ball-type closed loop voice coil motor.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of ball-type closed loop voice coil motor.
The utility model achieves the above object through the following technical schemes: a kind of ball-type closed loop voice coil motor, including
Shell, camera lens carrier and pedestal, the top middle of the shell are provided with camera aperture, the tip edges setting of the shell
There is recess, the side of the shell is provided with side opening, and the shell is internally provided with camera lens carrier, the camera lens carrier
Edge is provided with ball grooves, and the ball grooves are internally provided with ball, and the side of the camera lens carrier is provided with magnetite slot, institute
The inside for stating magnetite slot is equipped with magnetite, is provided with pedestal below the camera lens carrier；
The bosom of the pedestal is provided with placement circle, and the pan frontward end is provided with fixed plate, the right side of the pedestal
It is provided with fixture block at below side, the front end two sides of the pedestal are provided with connecting plate, are equipped with base in front of the connecting plate
Plate, and through-hole is provided on the end face of the connecting plate and substrate, the through-hole is internally provided with fastening screw, the substrate
Lower section is provided with wiring board.
Preferably, the through-hole that the fastening screw passes through on substrate end-face is connect with connecting plate, and the lower section of the substrate
Wiring board is installed.
Preferably, the corner and side of the camera lens carrier are respectively arranged with ball grooves and magnetite slot, and the ball and
Magnetite is mounted on the inside of ball grooves and magnetite slot.
Preferably, the middle section of shell and pedestal is arranged in the camera lens carrier, and sets between the shell and pedestal
It is set to separable structure.
Preferably, the circle of placing is arranged in the middle position of chassis interior, and the lower end of the camera lens carrier with put
Circle is set to coincide.
Preferably, the fixture block in the base right side face is connected with the side opening of shell right side, and the fixture block is set as
Retractable structure.
Preferably, the camera lens carrier is internally provided with Hall sensor and driving chip, and the Hall sensor
Closed-loop system is formed between driving chip.
The beneficial effects of the utility model are: ball-type closed loop voice coil motor design is rationally, fastening screw passes through substrate
Through-hole on end face is connect with connecting plate, and wiring board is equipped with below substrate, is conducive to stable the acting on of wiring board and is consolidated
On fixed board, the function of wiring board is realized, increase the practicability of voice coil motor, promote working efficiency, the corner and side of camera lens carrier
Face is respectively arranged with ball grooves and magnetite slot, and ball and magnetite are mounted on the inside of ball grooves and magnetite slot, pass through magnetite
The frictional force that attraction and ball generate in ball grooves, the movement of camera lens is controlled using electromagnetism etc., and the setting of camera lens carrier exists
The middle section of shell and pedestal, and separable structure is set as between shell and pedestal, convenient for protection voice coil motor, so that sound
The service life of coil motor extends, while being also convenient for replacement shell, places the middle position that chassis interior is arranged in circle, and mirror
The lower end of head carrier and placement circle coincide, and increase the stability of camera lens carrier, so that the focusing precision of camera lens and speed raising, mention
The working efficiency of sharp coil motor, the fixture block in base right side face are connected with the side opening of shell right side, and be set as can for fixture block
Stretching structure completes shell and internal fractionation using the retractility of fixture block, while being also convenient for maintenance to voice coil motor more
What is added is simple, and camera lens carrier is internally provided with Hall sensor and driving chip, and between Hall sensor and driving chip
Closed-loop system is formed, using Hall sensor come the variable quantity of sensed position, and location information is fed back into driving chip, immediately
It adjusts position and forms a closed-loop system to be rapidly achieved and rest on accurate position.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the fractionation structural representation of the utility model；
Fig. 3 is the circuit board structure schematic diagram of the utility model kiln body；
Fig. 4 is the structural schematic diagram of the utility model Hall sensor；
In figure: 1, shell；2, camera aperture；3, recess；4, side opening；5, ball；6, camera lens carrier；7, ball grooves；8, magnetic
Stone cistern；9, magnetite；10, pedestal；11, circle is placed；12, fixture block；13, fixed plate；14, substrate；15, wiring board；16, spiral shell is fastened
Nail；17, through-hole；18, connecting plate；19, Hall sensor；20, chip is driven.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~4, a kind of ball-type closed loop voice coil motor, including shell 1, camera lens carrier 3 and pedestal 10 are please referred to, it is described
The top middle of shell 1 is provided with camera aperture 2, and the fastening screw 16 passes through the through-hole 17 and connecting plate on 14 end face of substrate
18 connections, and the lower section of the substrate 14 is equipped with wiring board 15, is conducive to that wiring board 15 is stable to be acted in fixed plate 13,
The function of realizing wiring board 15 increases the practicability of voice coil motor, promotes working efficiency, and the tip edges of the shell 1 are set
It is equipped with recess 3, the side of the shell 1 is provided with side opening 4, and the shell 1 is internally provided with camera lens carrier 6, the mirror
The edge of head carrier 5 is provided with ball grooves 7, and the corner and side of the camera lens carrier 6 are respectively arranged with ball grooves 7 and magnetite
Slot 8, and the ball 5 and magnetite 9 are mounted on the inside of ball grooves 7 and magnetite slot 8, are being rolled by the attraction and ball 5 of magnetite 9
The frictional force generated in pearl slot 7, the movement of camera lens is controlled using electromagnetism etc., and the ball grooves 7 are internally provided with ball 5,
The side of the camera lens carrier 6 is provided with magnetite slot 8, and the inside of the magnetite slot 8 is equipped with magnetite 9, the camera lens carrier 6
Lower section is provided with pedestal 10, and the bosom of the pedestal 10 is provided with placement circle 11, and the camera lens carrier 5 is arranged in shell 1
With the middle section of pedestal 10, and it is set as separable structure between the shell 1 and pedestal 10, convenient for protection voice coil motor,
So that the service life of voice coil motor extends, while being also convenient for replacement shell, 10 front end of pedestal is provided with fixed plate 13, institute
It states and is provided with fixture block 12 at below the right side of pedestal 10, the middle position placing circle 11 and being arranged in inside pedestal 10,
And the lower end of the camera lens carrier 6 and placement circle 11 coincide, and increase the stability of camera lens carrier 6, so that the focusing precision of camera lens
It is improved with speed, promotes the working efficiency of voice coil motor, the front end two sides of the pedestal 10 are provided with connecting plate 18, the connection
The front of plate 18 is equipped with substrate 14, and through-hole 17 is provided on the end face of the connecting plate 18 and substrate 14, the pedestal 10
The fixture block 12 of right side is connected with the side opening 4 of 1 right side of shell, and the fixture block 12 is set as retractable structure, utilizes card
The retractility of block 12 completes shell 1 and internal fractionation, while the maintenance being also convenient for voice coil motor is more simple, described
Through-hole 17 is internally provided with fastening screw 16, and the lower section of the substrate 14 is provided with wiring board 15, the inside of the camera lens carrier 6
It is provided with Hall sensor 19 and driving chip 20, and forms closed loop system between the Hall sensor 19 and driving chip 20
Location information using Hall sensor 19 come the variable quantity of sensed position, and is fed back to driving chip 20, adjusts position immediately by system
It sets, to be rapidly achieved and rest on accurate position, forms a closed-loop system.
Working principle: when using the ball-type closed loop voice coil motor, firstly, ball 5 and magnetite 9 are mounted on ball
Camera lens carrier 6 is put into 11 the inside of placement circle of pedestal 10, secondly, utilizing fastening screw 16 by the inside of slot 7 and magnetite slot 8
Wiring board 15 is installed, finally, installs shell 1, it can the normal use ball-type closed loop voice coil motor.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of ball-type closed loop voice coil motor, including shell (1), camera lens carrier (6) and pedestal (10), it is characterised in that: institute
The top middle for stating shell (1) is provided with camera aperture (2), and the tip edges of the shell (1) are provided with recess (3),
The side of the shell (1) is provided with side opening (4), and the shell (1) is internally provided with camera lens carrier (6), and the camera lens carries
The edge of body (6) is provided with ball grooves (7), and the ball grooves (7) are internally provided with ball (5), the camera lens carrier (6)
Side is provided with magnetite slot (8), and the inside of the magnetite slot (8) is equipped with magnetite (9), is set below the camera lens carrier (6)
It is equipped with pedestal (10)；
The bosom of the pedestal (10) is provided with placement circle (11), and pedestal (10) front end is provided with fixed plate (13),
It is provided with fixture block (12) at below the right side of the pedestal (10), the front end two sides of the pedestal (10) are provided with connecting plate
(18), it is equipped with substrate (14) in front of the connecting plate (18), and is set on the end face of the connecting plate (18) and substrate (14)
It is equipped with through-hole (17), the through-hole (17) is internally provided with fastening screw (16), is provided with route below the substrate (14)
Plate (15).
2. a kind of ball-type closed loop voice coil motor according to claim 1, it is characterised in that: the fastening screw (16) is worn
The through-hole (17) crossed on substrate (14) end face is connect with connecting plate (18), and is equipped with wiring board below the substrate (14)
(15)。
3. a kind of ball-type closed loop voice coil motor according to claim 1, it is characterised in that: the camera lens carrier (6)
Corner and side are respectively arranged with ball grooves (7) and magnetite slot (8), and the ball (5) and magnetite (9) are mounted on ball grooves
(7) and the inside of magnetite slot (8).
4. a kind of ball-type closed loop voice coil motor according to claim 1, it is characterised in that: the camera lens carrier (6) sets
It sets in the middle section of shell (1) and pedestal (10), and be set as separable structure between the shell (1) and pedestal (10).
5. a kind of ball-type closed loop voice coil motor according to claim 1, it is characterised in that: placement circle (11) setting
In the internal middle position of pedestal (10), and the lower end of the camera lens carrier (6) and placement circle (11) coincide.
6. a kind of ball-type closed loop voice coil motor according to claim 1, it is characterised in that: pedestal (10) right side
Fixture block (12) be connected with the side opening of shell (1) right side, and the fixture block (12) is set as retractable structure.
7. a kind of ball-type closed loop voice coil motor according to claim 1, it is characterised in that: the camera lens carrier (6)
It is internally provided with Hall sensor (19) and driving chip (20), and between the Hall sensor (19) and driving chip (20)
Form closed-loop system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820855290.1U CN208384214U (en) | 2018-06-04 | 2018-06-04 | A kind of ball-type closed loop voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820855290.1U CN208384214U (en) | 2018-06-04 | 2018-06-04 | A kind of ball-type closed loop voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208384214U true CN208384214U (en) | 2019-01-15 |
Family
ID=64970001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820855290.1U Active CN208384214U (en) | 2018-06-04 | 2018-06-04 | A kind of ball-type closed loop voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208384214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948873A (en) * | 2019-05-14 | 2020-11-17 | 新思考电机有限公司 | Driving device, camera module, electronic device and driving device assembling method |
-
2018
- 2018-06-04 CN CN201820855290.1U patent/CN208384214U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948873A (en) * | 2019-05-14 | 2020-11-17 | 新思考电机有限公司 | Driving device, camera module, electronic device and driving device assembling method |
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