CN105739043A - Micro movement device with position detection of lens - Google Patents
Micro movement device with position detection of lens Download PDFInfo
- Publication number
- CN105739043A CN105739043A CN201410740861.3A CN201410740861A CN105739043A CN 105739043 A CN105739043 A CN 105739043A CN 201410740861 A CN201410740861 A CN 201410740861A CN 105739043 A CN105739043 A CN 105739043A
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- CN
- China
- Prior art keywords
- eyeglass
- lens position
- inching gear
- detection lens
- position shown
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- 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.)
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Abstract
The present invention discloses a micro movement device with position detection of a lens. The micro movement device comprises an upper housing, a lens, a lens bearing, a spring sheet, a primary coil, a magnet ring, a lower housing, an iron core and a secondary coil; the lens is embedded on the lens bearing, and the lens bearing is connected with the upper housing through the spring sheet; the primary coil is fixed at the outer surface of the lens bearing, and the magnet ring is fixed at the inner surface of the upper housing; and the iron core is fixed on the lens bearing, and the secondary coil is embedded on the lower housing. The micro movement device with position detection of a lens is able to detect the current change of a secondary coil through detection of the relative position change of an iron core and a secondary coil in the power-on movement process so as to control the movement position of the lens to eliminate jiggling; and moreover, through combination of an optical structure and a mechanical structure, the micro movement device avoids undesirable phenomenon such as appearance, optics and the like, reduces production technology steps and reduce the investment of manpower, therefore the production efficiency and the good rate improved and the cost is reduced.
Description
Technical field
The present invention relates to the technical field that optical module is manufactured, particularly relate to a kind of inching gear with detection lens position.
Background technology
In recent years, the application of optical module is more and more extensive, as mobile phone, computer and camera are equal to our closely-related electronic product.Along with the use of these products is increasingly extensive, having promoted the fast development of optical module manufacturing industry, and the factor of image quality quality is except image processor when finding a view to determine optical module, inching gear module is also most important.
Using maximum inching gear modules in producing at present is optical texture part and the structure of mechanical structure portion separate design, need in process of production both adopt craft or alternate manner fit together, in an assembling process, need a large amount of man power and material, and easily cause the bad phenomenon such as outward appearance, optics.This structure likely can make optical texture part higher than mechanical structure portion when product work, thus causes and needs to consider empty avoiding when deisgn product, once consider less than, inching gear module cannot will work due to the interference of frame for movement.It addition, optical module is when finding a view, the shake of eyeglass can affect image quality equally.
Summary of the invention
The present invention is to solve the above-mentioned optical module problem that eyeglass exists shake when finding a view, provide a kind of inching gear with detection lens position, this inching gear is changed by the relative position of detection iron core and secondary coil in energising moving process, detect secondary coil curent change, thus controlling the shift position of eyeglass, play the effect eliminating shake.
Solve the technical problem that required by the present invention and can be achieved through the following technical solutions:
A kind of inching gear with detection lens position, including upper casing, eyeglass, eyeglass bearing, shell fragment, main coil, magnet ring, lower casing, iron core and secondary coil, described eyeglass is embedded in eyeglass bearing；Described shell fragment couples together eyeglass bearing and upper casing；Described main coil is fixed on the outer surface of eyeglass bearing；Described magnet ring is fixed on the inner surface of upper casing；Described iron core is fixed in eyeglass bearing；Described secondary coil is embedded on lower casing.
Described upper casing and lower casing adopt plastic material or other plastic material.
Described upper casing is a hollow frame structure.
Described lower casing has location pore structure.
Described eyeglass adopts light-permeable plastics or other transparent material to make.
Described eyeglass bearing adopts plastic material to make.
Described eyeglass bearing is provided with locating dowel, lead, hole, location and eyeglass mounting table stage structure.
Described shell fragment adopts beryllium copper or highly elastic material to make.
Described magnet ring adopts neodymium iron boron or Ferrite Material to make.
Described iron core adopts pure iron or ferrum Si system alloy or other soft magnetic materials.
The medicine have the advantages that a kind of inching gear with detection lens position, by detecting the relative position change of iron core and secondary coil in energising moving process, the curent change detecting secondary coil can control the shift position of eyeglass, plays the effect eliminating shake；Eyeglass moves along gathering sill and lead the axiality that can ensure that eyeglass in the process of movement, can ensure that with this overall definition of the whole image got will not reduce；Adopt optical texture and the frame for movement to combine, it is to avoid the bad phenomenon such as outward appearance, optics, and production craft step can be reduced, reduce artificial input, it is possible to increase production efficiency and acceptance rate, also reduce cost simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention will be further described:
Fig. 1 is fine motion of the present invention dress vertical direction structural representation.
Fig. 2 is inching gear horizontal direction structural representation of the present invention.
Fig. 3 is inching gear resting state lower plane schematic diagram of the present invention.
Fig. 4 is inching gear "on" position lower plane schematic diagram of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, the present invention is expanded on further.
Shown in Fig. 1, Fig. 2, for realizing the inching gear with detection lens position of the present invention, give the perspective exploded view of this inching gear.The main element that this invention uses includes upper casing 1, eyeglass 2, eyeglass bearing 3, shell fragment 4, main coil 5, magnet ring 6, lower casing 7, iron core 8 and secondary coil 9, and described eyeglass 2 is embedded in eyeglass bearing 3；4 eyeglass bearings 3 of described shell fragment and upper casing 1 couple together；Described main coil 5 is fixed on outer surface 35 position of eyeglass bearing 3；Described magnet ring 6 is fixed on inner surface 14 position of upper casing 1；Described iron core 8 is fixed on the hole, location 33 of eyeglass bearing 3；Described secondary coil 9 is embedded on the hole, location 72 of lower casing 7.Described upper casing and lower casing adopt plastic material.Upper casing is a hollow frame structure.Lower casing has location pore structure.Eyeglass adopts light-permeable plastics or other transparent material to make.Eyeglass bearing adopts plastic material to make, and is provided with locating dowel, lead, hole, location and eyeglass mounting table stage structure.Shell fragment adopts beryllium copper or highly elastic material to make.It is provided with the location pore structure fixed for Tongfang shell and eyeglass bearing.Coil adopts copper wire coiling to form.Magnet ring adopts neodymium iron boron or Ferrite Material to make.Iron core adopts pure iron or ferrum Si system alloy or other soft magnetic materials.
When being embodied as, eyeglass 2 is embedded in interior step 31 position of eyeglass bearing 3.Shell fragment 4 adopts beryllium copper or other highly elastic material that can substitute for make, by hole, location thereon 41 and 42 respectively with locating dowel 34 in eyeglass bearing 3 and on upper casing 1 locating dowel 13 both are linked together, and form the inching gear with guide frame moving up and down by lead 32 and gathering sill 12, eyeglass moves the axiality that can ensure that eyeglass in the process of movement along gathering sill 12 and lead 32, can ensure that with this overall definition of the whole image got will not reduce.Main coil 5 is fixed on outer surface 35 position of eyeglass bearing 3, and magnet ring 6 is fixed on inner surface 14 position of upper casing 1.Iron core 8 is fixed on the hole, location 33 of eyeglass bearing 3.Secondary coil 9 is embedded on the hole, location 72 of lower casing 7, and upper casing 1 and lower casing 7 are fixed together by positioning hole 11 and locating dowel 71.
Inching gear of the present invention implement time with the element such as image processor, wiring board with the use of.When inching gear does not work, whole inching gear remains static, concrete inching gear as of the present invention in Fig. 3 floor map under static state.D1 is the distance before energising.When inching gear is started working after main coil 5 energising, main coil 5 can produce magnetic force after by electric current, with having the power interacted between magnet ring 6, the size of control action power is carried out by adjusting size of current, main coil 5 is integrally fixed at above eyeglass bearing 3, eyeglass 2 is embedded in eyeglass bearing 3, the active force produced with magnet ring 6 after main coil 5 is energized drives eyeglass bearing 3 and eyeglass 2 to move, the image that such image processor is caught can change on definition, by adjusting size of current, the outside scenery making different distance can obtain image clearly when captured.By detecting the relative position change of iron core 8 and secondary coil 9 in energising moving process, the curent change detecting secondary coil 9 can control the shift position of eyeglass 2.If Fig. 4 is the floor map under inching gear "on" position of the present invention.D2 is the displacement after energising.Dx is the amount of movement after energising.
Inching gear of the present invention is in the process of work, and eyeglass moves the axiality that can ensure that eyeglass in the process of movement along gathering sill 12 and lead 32, can ensure that with this overall definition of the whole image got will not reduce；By detecting the relative position change of iron core and secondary coil in energising moving process, the curent change detecting secondary coil can control the shift position of eyeglass, the effect that playing disappears trembles；Adopt optical texture and the frame for movement to combine, it is to avoid the bad phenomenon such as outward appearance, optics, and production craft step can be reduced, reduce artificial input, it is possible to increase production efficiency and acceptance rate, also reduce cost simultaneously.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (10)
1. the inching gear with detection lens position, it is characterised in that: including upper casing, eyeglass, eyeglass bearing, shell fragment, main coil, magnet ring, lower casing, iron core and secondary coil, described eyeglass is embedded in eyeglass bearing；Described shell fragment couples together eyeglass bearing and upper casing；Described main coil is fixed on the outer surface of eyeglass bearing；Described magnet ring is fixed on the inner surface of upper casing；Described iron core is fixed in eyeglass bearing；Described secondary coil is embedded on lower casing.
2. a kind of inching gear with detection lens position shown in claim 1, it is characterised in that: described upper casing and lower casing adopt plastic material or other moulding material.
3. a kind of inching gear with detection lens position shown in claim 2, it is characterised in that: described upper casing is a hollow frame structure.
4. a kind of inching gear with detection lens position shown in claim 2, it is characterised in that: described lower casing has location pore structure.
5. a kind of inching gear with detection lens position shown in claim 1, it is characterised in that: described eyeglass adopts light-permeable plastics or other transparent material to make.
6. a kind of inching gear with detection lens position shown in claim 1, it is characterised in that: described eyeglass bearing adopts plastic material to make.
7. a kind of inching gear with detection lens position shown in claim 6, it is characterised in that: described eyeglass bearing is provided with locating dowel, lead, hole, location and eyeglass mounting table stage structure.
8. a kind of inching gear with detection lens position shown in claim 1, it is characterised in that: described shell fragment adopts beryllium copper or highly elastic material to make.
9. a kind of inching gear with detection lens position shown in claim 1, it is characterised in that: described magnet ring adopts neodymium iron boron or Ferrite Material to make.
10. a kind of inching gear with detection lens position shown in claim 1, it is characterised in that: described iron core adopts pure iron or ferrum Si system alloy or other soft magnetic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740861.3A CN105739043A (en) | 2014-12-08 | 2014-12-08 | Micro movement device with position detection of lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740861.3A CN105739043A (en) | 2014-12-08 | 2014-12-08 | Micro movement device with position detection of lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105739043A true CN105739043A (en) | 2016-07-06 |
Family
ID=56237483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410740861.3A Pending CN105739043A (en) | 2014-12-08 | 2014-12-08 | Micro movement device with position detection of lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105739043A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094820A (en) * | 1993-03-30 | 1994-11-09 | 索尼公司 | A kind of linear electromagnetic driving apparatus and the use in lens are adjusted thereof |
| US20080186601A1 (en) * | 2007-02-02 | 2008-08-07 | Mitsumi Electric Co., Ltd. | Camera module |
| CN101398526A (en) * | 2007-09-25 | 2009-04-01 | 中山联合光电科技有限公司 | High pixel minitype optical auto focusing system driven by electromagnetic force |
| CN204229028U (en) * | 2014-12-08 | 2015-03-25 | 安徽昌硕光电子科技有限公司 | A kind of inching gear with detecting lens position |
-
2014
- 2014-12-08 CN CN201410740861.3A patent/CN105739043A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094820A (en) * | 1993-03-30 | 1994-11-09 | 索尼公司 | A kind of linear electromagnetic driving apparatus and the use in lens are adjusted thereof |
| US20080186601A1 (en) * | 2007-02-02 | 2008-08-07 | Mitsumi Electric Co., Ltd. | Camera module |
| CN101398526A (en) * | 2007-09-25 | 2009-04-01 | 中山联合光电科技有限公司 | High pixel minitype optical auto focusing system driven by electromagnetic force |
| CN204229028U (en) * | 2014-12-08 | 2015-03-25 | 安徽昌硕光电子科技有限公司 | A kind of inching gear with detecting lens position |
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Application publication date: 20160706 |
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| WD01 | Invention patent application deemed withdrawn after publication |