CN201090987Y - Fine tuning focusing drive device - Google Patents
Fine tuning focusing drive device Download PDFInfo
- Publication number
- CN201090987Y CN201090987Y CNU2007201953749U CN200720195374U CN201090987Y CN 201090987 Y CN201090987 Y CN 201090987Y CN U2007201953749 U CNU2007201953749 U CN U2007201953749U CN 200720195374 U CN200720195374 U CN 200720195374U CN 201090987 Y CN201090987 Y CN 201090987Y
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- CN
- China
- Prior art keywords
- coil
- group
- seat
- movable structure
- focusing drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Linear Motors (AREA)
- Lens Barrels (AREA)
Abstract
The utility model discloses a fine adjustment drive focusing device, including a movable structure which is positioned inside an external load seat. The two fixing ends of a suspending component group are welded respectively on the movable structure and the external load seat, so the suspending component group supports the movable structure and turns the movable structure into a suspending structure. The magnetic force used for driving the movable structure to move up and down is produce by the current interaction of a first magnet group and a second magnet group which are arranged on the external load seat and a first coil and the second coil which is arranged on the movable structure, so that the movable structure can achieve the function of fine adjustment focusing of the up- and- down movement.
Description
Technical field
The utility model is about a kind of focusing drive device, is meant a kind of vernier focusing drive unit that is applied in mobile phone and small digital cameras especially.
Background technology
Focusing drive device is the carrying camera lens, the action that it is focused in specific limited space, to reach the purpose of adjusting image definition, especially be applied among mobile phone and the small digital cameras, because mobile phone and small digital cameras be all to the development design of little, thin, light aspect, so it needs a kind of volume little and can meet the device of functional requirement.This focusing drive device then is the purpose that meets the front, it comprises that mainly one contains seat, outer sheet metal on seat and, the sheet metal once of carrying, this contains the function that seat has the carrying camera lens, its top and the bottom join with described upper and lower sheet metal respectively, be arranged on this again and contain the upper and lower therewith sheet metal connection of outer year outside seat of seat, therefore contain the action that seat can be focused.Because being fixed on the last sheet metal that contains seat is to make in integrated mode with following sheet metal, this process can make sheet metal produce speed slowly, again because the very thin thickness of this sheet metal, so that makes is very difficult, it is very high and keep and do not descend that aforesaid two kinds of reasons have caused making the cost of thin slice.
Therefore, the industrial community utmost point needs a kind of low technical threshold and low-cost design mode, and can meet a kind of focusing drive device of current required function.
The utility model content
Problem to be solved in the utility model provides a kind of vernier focusing drive unit, to solve existing apparatus photographic images unintelligible and manufacture difficulty and the high problem of cost.
In view of the foregoing, the utility model proposes a kind of vernier focusing drive unit, it comprises outer seat (outer-holder), a movable structure (movable-structure) and the suspension elements group (suspension-set) of carrying.One end of this suspension elements group is fixed on the described movable structure, and the other end is fixed on described outer year, so this suspension elements group is installed in the outer seat inside of carrying with movable structure.
The outer seat that carries is by a upper fixed seat (upper-holder), a lower fixed seat (lower-holder), a loam cake (upper-case), a lower cover (lower-case), with the one first printed circuit board (PCB) (printed-circuit-board that is arranged on the outside, PCB), one second printed circuit board (PCB), and be arranged on inner one first magnetite group (magnet-set), one second magnetite group.The first magnetite group and the second magnetite group are placed in upper fixed seat lower fixed seat inside therewith with arrangement mode arranged side by side up and down.
Movable structure comprises that one contains seat (inner-holder), one first coil (coil), one second coil, a upper thin sheet (upper-spacer) and a lower thin sheet.First coil, second coil therewith is placed in the outside that contains seat with arrangement mode arranged side by side up and down, and this upper thin sheet lower thin sheet therewith is separately fixed at and contains seat position up and down.
The suspension elements group is made of metal line-group on one and metal line-group once, and last metal line-group and following metal line-group comprise 3 wires respectively, and the suspension elements group is made up of 6 wires at least.
The magnetic field that the utility model utilization is arranged on the outer first magnetite group of carrying seat, the second magnetite group be positioned at first coil of movable structure, the Interaction Law of Electric Current of second coil produces driving, the magnetic force that movable structure moves up and down finally reaches the vernier focusing purpose.
Compared with prior art, the utlity model has following advantage:
The utility model provides a kind of vernier focusing drive unit that utilizes, and is a kind of low technical threshold and low-cost apparatus, has the little advantage such as functional requirement that meets again of volume, and described device reaches the purpose of adjusting image definition.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the synoptic diagram of movable structure and suspension elements group.
Fig. 3 is the outer synoptic diagram that carries seat and suspension elements group.
Fig. 4 is the synoptic diagram of coil and magnetite.
The main element symbol description is as follows:
The 1 outer seat that carries
11 upper fixed seats, 12 lower fixed seats
13 loam cakes, 14 lower covers
15 first printed circuit board (PCB)s, 16 second printed circuit board (PCB)s
17 first magnetite groups, 18 second magnetite groups
2 movable structures
21 contain seat 22 first coils
23 second coils, 24 upper thin sheets
3 suspention original paper groups
31 first metal line-groups, 25 second metal line-groups
Embodiment
Fig. 1 structural representation of the present utility model.The utility model is a kind of vernier focusing drive unit, and its main element comprises outer seat 1, one movable structure 2 and the suspension elements group 3 of carrying.One end of this suspension elements group 3 is fixed on the movable structure 2, and the other end is fixed on outer carrying on the seat 1, and suspension elements group 3 is placed in outer inside of carrying seat 1 with movable structure 2.
Fig. 2 is the synoptic diagram of movable structure and suspension elements group.Movable structure 2 comprises that one contains seat 21,1 first coil 22, one second coil 23, a upper thin sheet 24 and a lower thin sheet 25.The main function that contains seat 21 is carrying one camera lens (do not have among the figure and indicate).First coil 22 and second coil 23 stick to the outside that contains seat 21 with arrangement mode arranged side by side up and down, and upper thin sheet 24 is separately fixed at the upper and lower position that contains seat 21 with lower thin sheet 25.Upper thin sheet 24 is the positions that are connected and fixed with a suspension elements group 3 with lower thin sheet 25.Suspension elements group 3 has 6 wires at least, is made up of the first metal line-group 31 that comprises 3 wires respectively and the second metal line-group 32, and a stiff end of the first metal line-group 31 is welded on the upper thin sheet 24; One stiff end of the second metal line-group 32 is welded on the lower thin sheet 25.Another stiff end of the first metal line-group 31 and the second metal line-group 32 then is separately fixed at outer carrying on the seat 1, as shown in Figure 3.
Fig. 3 is the outer synoptic diagram that carries seat and suspension elements group.The outer seat 1 that carries with one first printed circuit board (PCB) 15, one second printed circuit board (PCB) 16 that are arranged on the outside, and is arranged on inner one first magnetite group 17, one second magnetite group 18 by a upper fixed seat 11, a lower fixed seat 12, a loam cake 13, a lower cover 14.Upper fixed seat 11 can be bonded with each other with lower fixed seat 12, its interior periphery is provided with this first magnetite group 17 and the second magnetite group 18, loam cake 13 is installed in the top of upper fixed seat 11, lower cover 14 is installed in the below of lower fixed seat 12, and its outside is settled in adjacent mode by first printed circuit board (PCB) 15 and second printed circuit board (PCB) 16 respectively.Suspension elements group 3 is made of one first metal line-group 31 and one second metal line-group 32.One end of wherein 2 wires in the first metal line-group 31 is fixed in the upper position of first printed circuit board (PCB) 15, and an end of 1 wires is fixed on the upper position of second printed circuit board (PCB) 16 in addition; One end of wherein 2 wires in this second metal line-group 32 is fixed on the lower position of first printed circuit board (PCB) 15, and an end of 1 wires is fixed in the lower position of second printed circuit board (PCB) 16 in addition.The first metal line-group 31 described in the present embodiment, the second metal line-group 32 be the fixed position of first printed circuit board (PCB) 15, this second printed circuit board (PCB) 16 therewith, can change according to different demands.
Fig. 4 is the synoptic diagram of coil and magnetite.Be separately installed with the outside of first coil 22 arranged up and down and second coil 23 and be similarly the first magnetite group 17 and the second magnetite group 18 that is arranged above and below.First coil 22 is just in time opposite with the canoe of second coil, 23 coils, and the former is counterclockwise, and the latter is a clockwise direction, and both are connected with a cross-line (do not have among the figure and indicate).The first magnetite group 17 and the second magnetite group 18 are made up of 4 permanet magnets (permanent magnet) respectively, and this both N utmost point, the S utmost point are inhaled mutually, and the former N utmost point is (near first coil 22) inwardly, and the S utmost point outwardly; The latter's the N utmost point outwardly, S is (near second coil 23) very inwardly.
More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (6)
1. a vernier focusing drive unit is characterized in that, main element is:
The one outer seat that carries comprises a upper fixed seat, a lower fixed seat, a loam cake, a lower cover, with first printed circuit board (PCB) that is arranged on described outside, second printed circuit board (PCB), and the first magnetite group, the second magnetite group that are arranged on described inside;
One movable structure comprises that one contains seat, one first coil, one second coil, a upper thin sheet and a lower thin sheet; First coil and second coil are installed in the described outside that contains seat in mode arranged side by side up and down, and upper thin sheet and lower thin sheet are separately fixed at the upper-lower position that contains seat; Containing seat has the function of carrying one camera lens;
One suspension elements group, comprise one first metal line-group and one second metal line-group, at least be that 6 wires constitute, the stiff end of the first metal line-group and the second metal line-group is welded in the top and the lower position of first printed circuit board (PCB), second printed circuit board (PCB) respectively, and another stiff end is welded in described upper thin sheet and described lower thin sheet respectively; And
Described movable structure is that overhung construction is supported on described outer carrying on the seat, the Interaction Law of Electric Current of being located at described the lid first magnetite group, the second magnetite group of carrying seat and first coil, second coil of being located at described movable structure produces and drives the magnetic force that this movable structure moves up and down, so the focusing that described movable structure can move up and down is moved.
2. vernier focusing drive unit according to claim 1 is characterized in that, the N utmost point of the first magnetite group is inwardly near the position of first coil; The S utmost point outwardly.
3. vernier focusing drive unit according to claim 1 is characterized in that the second magnetite group N utmost point outwardly; The S utmost point is the position of close second coil inwardly.
4. vernier focusing drive unit according to claim 1 is characterized in that, first coil is counterclockwise to twine.
5. vernier focusing drive unit according to claim 1 is characterized in that, second coil is that clockwise direction is twined.
6. vernier focusing drive unit according to claim 1 is characterized in that first coil is connected with a cross-line with second coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201953749U CN201090987Y (en) | 2007-11-12 | 2007-11-12 | Fine tuning focusing drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201953749U CN201090987Y (en) | 2007-11-12 | 2007-11-12 | Fine tuning focusing drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201090987Y true CN201090987Y (en) | 2008-07-23 |
Family
ID=39862745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201953749U Expired - Fee Related CN201090987Y (en) | 2007-11-12 | 2007-11-12 | Fine tuning focusing drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201090987Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511043A (en) * | 2014-09-22 | 2016-04-20 | 安徽昌硕光电子科技有限公司 | Dual-magnetic ring micro-motion device module |
| CN105511044A (en) * | 2014-09-22 | 2016-04-20 | 安徽昌硕光电子科技有限公司 | Multi-lens micro-motion device module |
-
2007
- 2007-11-12 CN CNU2007201953749U patent/CN201090987Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511043A (en) * | 2014-09-22 | 2016-04-20 | 安徽昌硕光电子科技有限公司 | Dual-magnetic ring micro-motion device module |
| CN105511044A (en) * | 2014-09-22 | 2016-04-20 | 安徽昌硕光电子科技有限公司 | Multi-lens micro-motion device module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 Termination date: 20131112 |