CN205720836U - A kind of closed loop single camera auto-focusing driving means of Dustproof structure - Google Patents
A kind of closed loop single camera auto-focusing driving means of Dustproof structure Download PDFInfo
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- CN205720836U CN205720836U CN201620363246.XU CN201620363246U CN205720836U CN 205720836 U CN205720836 U CN 205720836U CN 201620363246 U CN201620363246 U CN 201620363246U CN 205720836 U CN205720836 U CN 205720836U
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Abstract
This novel closed loop single camera auto-focusing driving means disclosing a kind of Dustproof structure, including shell, skeleton, lens supports body, drives Magnetitum, driving coil, hall sensing Magnetitum, Hall element and flexible PCB；Basis is the most novel to be provided the benefit that: 1, shell and the fit structure of skeleton, is effectively protected inner member, prevents dust from entering；2, it is provided with dust-proof rib bottom skeleton, the gap, bottom after shell combines with skeleton can be blocked, prevent dust from entering from bottom further internal；3, reasonable in internal structure, more effectively prevents dust from directly dropping on image sensor surface, has ensured client's photographic quality during life-time service is taken pictures.
Description
Technical field
Basis is the most novel relates to a kind of closed loop single camera auto-focusing driving means, and the lens driver of a kind of closed loop voice coil motor with dustproof construction, for the photographic head of automatic focusing function.It is applied particularly to the equipment such as there is the mobile phone of camera function, photographing unit, video camera or detection sensor vision system, robotic vision system.
Background technology
In the magnetic field that voice coil motor is a kind of utilization to be produced from the magnetic field of permanent-magnet steel and hot-wire coil conductor, interacting between magnetic pole produces the device of regular motion, is widely used in mobile phone camera.Closed loop motor is a kind of auto-focusing voice coil motor with feedback signal, and owing to can know the position at camera lens more accurately through the feedback of signal, thus processor can control camera lens more accurately is moved rearwards by forward；Due to the extensive application in high pixel of the closed loop product, bring undiscovered problem before some accordingly, the image sensor size of high pixel product is less, therefore slight dust drops on sensor through the gap of driving means, the shadow of a biggest black can be formed, causing photo after taking pictures the speckle of a black also occur, spot size is affected by the dust diameter institute dropped on image sensor；In the past due to product design structure problem, and it is not fully complete the design of dustproof construction, this product is in use caused a certain degree of harmful effect of quality of taking pictures.
Utility model content
In order to overcome drawbacks described above, this kind of structure of novel offer, technique advantages of simple, there is the closed loop single camera auto-focusing driving means of Dustproof structure.
To achieve these goals, this novel technical scheme is: the closed loop single camera auto-focusing driving means of a kind of Dustproof structure, including shell, skeleton, lens supports body, drives Magnetitum, driving coil, hall sensing Magnetitum, Hall element and flexible PCB；Described skeleton is open-topped cavity, one side of skeleton is installed surface, groove it is provided with in the middle part of installed surface, it is provided with through hole in groove to communicate with cavity, described lens supports body side surface is provided with a drive surface, described lens supports body is arranged in the cavity of skeleton, and drive surface is corresponding with installed surface；Described driving Magnetitum and hall sensing Magnetitum are fixed in drive surface and facing to through hole, described flexible PCB part is arranged in the groove of skeleton installed surface, and described Hall element is arranged on position corresponding with hall sensing Magnetitum inside flexible PCB；Described flexible PCB is " L " type of half-twist to the left, flexible PCB " L " type side deletion sites is provided with driving coil and drives coil corresponding with driving Magnetitum position with through hole overlapping position, being provided with circuit board stiffening plate outside described flexible PCB, described driving coil is fixed on circuit board stiffening plate；It is respectively equipped with triangle projection ear on the side outer wall of described skeleton installed surface both sides, it is respectively equipped with, on corresponding two sidewalls, the square hole matched with triangle projection ear on shell, shell is fastened on skeleton with coordinating of square hole by triangle projection ear, form snap fixing mode, simplify assembling process, it is to avoid glue technique for sticking.
Further, preferred as one, described circuit board stiffening plate is magnetic conductive metal sheet, the available magnetic conductive metal sheet magnetic force bed knife as lens supports body to driving Magnetitum.
Further, preferred as one, described skeleton is plastic skeleton.
Further, preferred as one, slided by ball set straight-line guidance between described skeleton and lens supports body.Two feeler structures it are extended with on the external wall of lens supports, one vertical plane of described feeler structure is provided with the first chute, described feeler structure and skeleton interference position are provided with escape groove, in escape groove, the position corresponding with the first chute is provided with the second chute, being provided with ball in the cavity of the first chute and the second chute composition, the first chute, the second chute and ball constitute ball set.
Further, preferred as one, described skeleton cavity inner wall is provided with three vertical direction grooves, and described lens supports body is provided with the projection with fit depressions, forms the rotary position-limit mechanism on lens supports body.
Further, preferred as one, the sidewall of described skeleton is provided with the dust-proof rib of projection along bottom margin, and described dust-proof rib is provided with at installed surface and two triangle projection ears and dodges, and is used for preventing dust from entering from bottom internal.
Basis is the most novel to be provided the benefit that: 1, shell and the fit structure of skeleton, is effectively protected inner member, prevents dust from entering；2, it is provided with dust-proof rib bottom skeleton, the gap, bottom after shell combines with skeleton can be blocked, prevent dust from entering from bottom further internal；3, reasonable in internal structure, more effectively prevents dust from directly dropping on image sensor surface, has ensured client's photographic quality during life-time service is taken pictures.
Accompanying drawing explanation
Fig. 1 is the assembling explosive view that this is novel；
Fig. 2 is the top view that this is novel.
Fig. 3 is the assembling simplified schematic diagram that this is novel.
Detailed description of the invention
It is described further the most novel below in conjunction with specific embodiment.
As shown in Fig. 1 Fig. 2 Fig. 3, the closed loop single camera auto-focusing driving means of a kind of Dustproof structure, including shell 1, skeleton 2, lens supports body 3, drive Magnetitum 4, driving coil 5, hall sensing Magnetitum 6, Hall element 7 and flexible PCB 8；Described skeleton 2 is open-topped cavity 204, one side of skeleton is installed surface 201, groove 202 it is provided with in the middle part of installed surface 201, it is provided with through hole 203 in groove 202 to communicate with cavity 204, described lens supports body 3 side is provided with a drive surface 301, described lens supports body 3 is arranged in the cavity 204 of skeleton 2, and drive surface 301 is corresponding with installed surface 201；Described driving Magnetitum 4 and hall sensing Magnetitum 6 are fixed in drive surface 301 and facing to through hole 203, described flexible PCB 8 part is arranged in the groove 202 of skeleton installed surface, and described Hall element 7 is arranged on position corresponding with hall sensing Magnetitum 6 inside flexible PCB 8；Described " L " type that flexible PCB 8 is half-twist to the left, flexible PCB 8 " L " type side deletion sites is provided with driving coil 5 and drives coil 5 corresponding with driving Magnetitum 4 position with through hole 203 overlapping position, being provided with circuit board stiffening plate 9 outside described flexible PCB 8, described driving coil 5 is fixed on circuit board stiffening plate 9；It is respectively equipped with triangle projection ear 205 on the side outer wall of described skeleton installed surface 201 both sides, it is respectively equipped with, on corresponding two sidewalls, the square hole 101 matched with triangle projection ear 205 on shell 1, shell 1 is fastened on skeleton 2 with coordinating of square hole 101 by triangle projection ear 205, form snap fixing mode, simplify assembling process, it is to avoid glue technique for sticking.
Circuit board stiffening plate 9 is magnetic conductive metal sheet, the available magnetic conductive metal sheet magnetic force bed knife as lens supports body to driving Magnetitum.Skeleton 2 is plastic skeleton.
Slided by ball set straight-line guidance between skeleton 2 and lens supports body 3.Two feeler structures 302 it are extended with on lens supports body 3 outer wall, one vertical plane of described feeler structure 302 is provided with the first chute 303, described feeler structure 302 is provided with escape groove 206 with skeleton 2 interference position, in escape groove 206, the position corresponding with the first chute 303 is provided with the second chute 207, being provided with ball 10 in the cavity of the first chute 303 and the second chute 207 composition, first chute the 303, second chute 207 and ball 10 constitute ball set.
Skeleton cavity 204 inwall is provided with three vertical direction grooves 208, and described lens supports body 3 is provided with the projection 304 matched with vertical direction groove 208, forms the rotary position-limit mechanism on lens supports body 3.
The sidewall of skeleton 2 is provided with the dust-proof rib 209 of projection along bottom margin, and described dust-proof rib 209 is provided with below installed surface 201 and two triangle projection ears 205 and dodges, and is used for preventing dust from entering from bottom internal.
This novel technical scheme is not limited to the restriction of above-mentioned specific embodiment, and every technology deformation made according to this novel technical scheme, within each falling within this novel protection domain.
Claims (7)
1. the closed loop single camera auto-focusing driving means of a Dustproof structure, it is characterised in that: include shell, skeleton, lens supports body, drive Magnetitum, driving coil, hall sensing Magnetitum, Hall element and flexible PCB；Described skeleton is open-topped cavity, one side of skeleton is installed surface, groove it is provided with in the middle part of installed surface, it is provided with through hole in groove to communicate with cavity, described lens supports body side surface is provided with a drive surface, described lens supports body is arranged in the cavity of skeleton, and drive surface is corresponding with installed surface；Described driving Magnetitum and hall sensing Magnetitum are fixed in drive surface and facing to through hole, described flexible PCB part is arranged in the groove of skeleton installed surface, and described Hall element is arranged on position corresponding with hall sensing Magnetitum inside flexible PCB；Described flexible PCB is " L " type of half-twist to the left, flexible PCB " L " type side deletion sites is provided with driving coil and drives coil corresponding with driving Magnetitum position with through hole overlapping position, being provided with circuit board stiffening plate outside described flexible PCB, described driving coil is fixed on circuit board stiffening plate；Being respectively equipped with triangle projection ear on the side outer wall of described skeleton installed surface both sides, shell is respectively equipped with, on corresponding two sidewalls, the square hole matched with triangle projection ear, shell is fastened on skeleton with coordinating of square hole by triangle projection ear.
The closed loop single camera auto-focusing driving means of Dustproof structure the most according to claim 1, it is characterised in that: described circuit board stiffening plate is magnetic conductive metal sheet.
The closed loop single camera auto-focusing driving means of Dustproof structure the most according to claim 1, it is characterised in that: described skeleton is plastic skeleton.
The closed loop single camera auto-focusing driving means of Dustproof structure the most according to claim 1, it is characterised in that: slided by ball set straight-line guidance between described skeleton and lens supports body.
5. according to the closed loop single camera auto-focusing driving means of the Dustproof structure described in claim 1 or 4, it is characterized in that: on the external wall of described lens supports, be extended with two feeler structures, one vertical plane of described feeler structure is provided with the first chute, described feeler structure and skeleton interference position are provided with escape groove, in escape groove, the position corresponding with the first chute is provided with the second chute, being provided with ball in the cavity of the first chute and the second chute composition, the first chute, the second chute and ball constitute ball set.
The closed loop single camera auto-focusing driving means of Dustproof structure the most according to claim 1, it is characterized in that: described skeleton cavity inner wall is provided with three vertical direction grooves, described lens supports body is provided with and the projection of vertical direction fit depressions.
The closed loop single camera auto-focusing driving means of Dustproof structure the most according to claim 1, it is characterized in that: the sidewall of described skeleton is provided with the dust-proof rib of projection along bottom margin, and described dust-proof rib is provided with at installed surface and two triangle projection ears and dodges.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620363246.XU CN205720836U (en) | 2016-04-27 | 2016-04-27 | A kind of closed loop single camera auto-focusing driving means of Dustproof structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620363246.XU CN205720836U (en) | 2016-04-27 | 2016-04-27 | A kind of closed loop single camera auto-focusing driving means of Dustproof structure |
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| CN205720836U true CN205720836U (en) | 2016-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785546A (en) * | 2016-04-27 | 2016-07-20 | 河南省皓泽电子有限公司 | Closed loop single camera automatic focusing driving device of novel dustproof structure |
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2016
- 2016-04-27 CN CN201620363246.XU patent/CN205720836U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785546A (en) * | 2016-04-27 | 2016-07-20 | 河南省皓泽电子有限公司 | Closed loop single camera automatic focusing driving device of novel dustproof structure |
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| C14 | Grant of patent or utility model | ||
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Address after: 454763 Henan city of Jiaozuo province Mengzhou City West Guo compound High-tech Zone in Henan Province, Hao Ze Electronics Co. Ltd. Patentee after: Henan haoze Electronic Co., Ltd Address before: 454763 Henan city of Jiaozuo province Mengzhou City West Guo compound High-tech Zone in Henan Province, Hao Ze Electronics Co. Ltd. Patentee before: HENAN HAOZE ELECTRONICS CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |