CN103576279A - Image taking lens adjusting structure - Google Patents
Image taking lens adjusting structure Download PDFInfo
- Publication number
- CN103576279A CN103576279A CN201210267376.XA CN201210267376A CN103576279A CN 103576279 A CN103576279 A CN 103576279A CN 201210267376 A CN201210267376 A CN 201210267376A CN 103576279 A CN103576279 A CN 103576279A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- lens
- image sensor
- circuit board
- adjusted structure
- Prior art date
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- Lens Barrels (AREA)
Abstract
The invention provides an image taking lens adjusting structure which comprises a lens module, a focusing device and a drive device. The lens module comprises a lens, a front cover and an image sensor. The lens is arranged at the front end of the front cover. The focusing device is arranged in the front cover and is supported by a spring. The focusing device is provided with a base seat. The image sensor is arranged on the base seat through an adjusting screw. The image sensor is arranged relative to the lens. The drive device is provided with a motor. The motor drives the base seat so as to adjust the position of the image sensor. According to the image taking lens adjusting structure, the spring is used for supporting the base to arrange the image sensor, so that the unstable condition of focusing displacement is avoided, and image taking quality is improved.
Description
Technical field
The present invention relates to a kind of sampling image lens and adjust structure, relate in particular to and a kind ofly can make the sampling image lens that capture quality improves adjust structure by stabilized driving Focussing.
Background technology
Sampling image lens, since modularization, has applied in the middle of daily life such as portable 3C electronic product, camera device and monitoring arrangement etc. widely.The sampling image lens module that wherein monitoring arrangement uses is the demand in response to high image quality image, starts to adopt high-resolution image sensor, the adjustment running that can focus simultaneously.High resolution image sensor has heat dissipation problem while using need to solve, otherwise can have influence on the quality of image.The incident ray that focusing adjustment running must maintain camera lens aligns described image sensor, otherwise the pick-up image obtaining will be smudgy.The focal-distance regulation structure using on monitoring arrangement at present, between drive unit and image sensor, use extension spring to link structure, described extension spring links structure and exists the uneven problem of the application of force, therefore can cause when driving described image sensor to focus action, there is image sensor beat or stuck phenomenon, have a strong impact on the quality that supervises image.For obtaining the good image quality that supervises, should be improved with regard to described lens regulating structure in fact.
Summary of the invention
In view of this, be necessary to provide the sampling image lens that a kind of Focussing stability is high to adjust structure.
The invention provides a kind of sampling image lens and adjust structure, it comprises a camera lens module, a focus control and a drive unit.Described camera lens module has a camera lens, a protecgulum and an image sensor, described camera lens is arranged at the front end of described protecgulum, in described protecgulum, with spring support, described focus control is set, described focus control has a pedestal, described pedestal arranges described image sensor to adjust screw, described image sensor and described camera lens are oppositely arranged, and described drive unit has a motor, and described motor drives described pedestal to adjust the position of described image sensor.
Compare prior art, sampling image lens of the present invention is adjusted structure, by with pedestal described in spring supporting, again by described image sensor being arranged on described pedestal to adjust screw, thereby the horizontal level of image sensor on described pedestal described in capable of regulating, stable displacement in the time of simultaneously can making described pedestal be driven, therefore can maintain described image sensor and described camera lens to positive relationship, the quality of raising monitoring arrangement image capture.
Accompanying drawing explanation
Fig. 1 is the embodiment decomposing schematic representation that sampling image lens of the present invention is adjusted structure.
Fig. 2 is that the sampling image lens of Fig. 1 is adjusted the protecgulum of structure and the assembled sectional view of pedestal.
Fig. 3 is that the sampling image lens of Fig. 1 is adjusted the protecgulum of structure and the combination schematic diagram of pedestal.
Fig. 4 is the embodiment assembled sectional view that the sampling image lens of Fig. 1 is adjusted structure.
Fig. 5 is that the sampling image lens of Fig. 1 is adjusted the pedestal of structure and the decomposing schematic representation of circuit board.
Main element symbol description
| |
10 |
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12 |
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122 |
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124 |
| Hole | 1240、1420 |
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1242 |
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126 |
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128 |
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1282 |
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14 |
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142 |
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1422 |
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1424 |
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1426 |
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1428 |
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144 |
| Adjust |
146 |
| Adjust |
1462 |
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148 |
| Fixed |
1482 |
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16 |
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162 |
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1622 |
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164 |
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166 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing, the present invention being done to one specifically introduces.
Referring to Fig. 1, is the embodiment decomposing schematic representation of sampling image lens adjustment structure of the present invention.Described adjustment structure 10, it comprises a camera lens module 12, focus control 14 and a drive unit 16.Described camera lens module 12 has a camera lens 122, protecgulum 124 and an image sensor 126 (as shown in Figure 2), wherein said camera lens 122 is arranged at the front end of described protecgulum 124, described protecgulum 124 is interior arranges described focus control 14, and described focus control 14 rears arrange described drive unit 16.
The lid central authorities of described protecgulum 124 have a hole 1240, and described hole 1240 connects described camera lens 122 in order to group.In the lid of described protecgulum 124, there are at least two guide rods 1242, the pedestal 142 that described focus control 14 has is set on described guide rod 1242, described pedestal 142 can be moved forward and backward along described guide rod 1242.Described pedestal 142 has a first surface 1422 and a second surface 1424, and described first surface 1422 is towards the lid inner side of described protecgulum 124, and described second surface 1424 is positioned at the back side of described first surface 1422.Between described first surface 1422 and described protecgulum 124 lid inner sides, having a spring 144 arranges, described spring 144 is supported in the periphery of described pedestal 142, with so that described pedestal 142 maintains the parastate with described protecgulum 124 lids on described guide rod 1242.Described image sensor 126 is set on described second surface 1424, described image sensor 126 is arranged on a circuit board 128, and described circuit board 128 is arranged on described pedestal 142 with at least three adjustment screws 146 that have on described second surface 1424.On described adjustment screw 146, be arranged with and adjust spring 1462, make described adjustment spring 1462 between described pedestal 142 and described circuit board 128, by at least three, adjust screw 146 and on the diverse location of described circuit board 128, arrange to carry out the adjustment of level, can make described circuit board 128 be arranged in parallel with described pedestal 142.Circuit board 128 described above is adjusted the running with described pedestal 142 levels, first described pedestal 142 to be fixed in described protecgulum 124, by set screw 1426 lockings (as shown in Figure 3) that set in advance, described pedestal 142 is adjusted under parallel state with described protecgulum 124 lids, thereby the described circuit board of horizontal adjustment setting on described pedestal 142 128 be arranged in parallel with described protecgulum 124 lids.In other words, described circuit board 128 is adjusted under described pedestal 142 state parallel with described protecgulum 124, and described circuit board 128 is horizontally disposed with described pedestal 142, and therefore described circuit board 128 also be arranged in parallel with described protecgulum 124.Removal after described set screw 1426 can be connected with described drive unit 16 at described focus control 14, the horizontality that after described set screw 1426 removals, described pedestal 142 is automatically adjusted and maintained by described spring 144.Hole 1420 that the described image sensor 126 arranging on described circuit board 128 has by described pedestal 142 central authorities and the described protecgulum 124 interior set described camera lenses 122 of hole 1240 relative (as shown in Figure 4).Because described camera lens 122 quadratures are arranged on described protecgulum 124 lids, the described image sensor 126 on described circuit board 128 can align the optical axis of described camera lens 122.Described image sensor 126 easily produces high temperature during with high resolving power pick-up image, high temperature will affect the quality of image output, therefore between described circuit board 128 and described pedestal 142, there is conducting strip 1282 (as shown in Figure 5) is set, the high temperature that described conducting strip 1282 can assist described image sensor 126 to produce, by described pedestal 142 and described protecgulum 124, dispel the heat, to maintain the good quality of image output.In present embodiment, described conducting strip 1282 is arranged at described circuit board 128 on a side of described pedestal 142, when described circuit board 128 is arranged on described pedestal 142, described conducting strip 1282 contacts with the liner 1428 having on described pedestal 142 second surfaces 1424, in order to assist the eliminating of described circuit board 128 the above image sensor 126 heat.On described second surface 1424, across described pedestal 142 central hole 1420 positions, there is a drive plate 148, described drive plate 148 is locked on described pedestal 142 with fixed screw 1482, and connects described drive unit 16 with the position of relatively described pedestal 142 hole 1420 central authorities.
Described drive unit 16 comprises a motor 162, holder 164 and a bonnet 166, and described motor 162 is arranged on described holder 164, and described holder 164 is fixed in described bonnet 166.When described bonnet 166 combines with described protecgulum 124, the driving shaft 1622 that described motor 162 has is resisted against on described drive plate 148, and is positioned at the position of relatively described pedestal 142 hole 1420 central authorities.Described motor 162 is to be linear step motor, and described driving shaft 1622 carries out axial displacement running, can drive described pedestal 142 to produce the displacement running of front and back.The running that described driving shaft 1622 carries out at described pedestal 142 hole 1420 middle positions, coordinate described spring 144 in the support of described pedestal 142 peripheries, and under the guide function of described guide rod 1242, described pedestal 142 can maintain good horizontality and move forward and backward swimmingly, solve beat or stuck problem that known structure may cause.Described pedestal 142 stably moves forward and backward, and the distance described in capable of regulating between image sensor 126 and described camera lens 122 is reached the automatic focusing object of image capture.
Sampling image lens of the present invention is adjusted structure, described circuit board 128 is arranged on described pedestal 142 with described adjustment spring 1462, described pedestal 142 supports with described spring 144 again, make described image sensor 126 set on described circuit board 128 can maintain with described pedestal 142 state of level, can align with the optical axis of described camera lens 122, and stably carry out the displacement running of focusing automatically simultaneously.Meanwhile, the described conducting strip that has between described pedestal 142 and described circuit board 128 1282 arranges, and the good image output quality of described sampling image lens is safeguarded in the high temperature thermolysis in the time of can assisting described image sensor 126 high resolution images acquisition.
In addition, those skilled in the art also can do other and change in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (13)
1. a sampling image lens is adjusted structure, it comprises a camera lens module, a focus control and a drive unit, it is characterized in that: described camera lens module has a camera lens, a protecgulum and an image sensor, described camera lens is arranged at the front end of described protecgulum, in described protecgulum, with spring support, described focus control is set, described focus control has a pedestal, described pedestal arranges described image sensor to adjust screw, described image sensor and described camera lens are oppositely arranged, described drive unit has a motor, described motor drives described pedestal to adjust the position of described image sensor.
2. sampling image lens as claimed in claim 1 is adjusted structure, it is characterized in that: the lid central authorities of described protecgulum have a hole, and described hole group connects described camera lens in the lid of described protecgulum, having at least two guide rods, and described pedestal is set on described guide rod.
3. sampling image lens as claimed in claim 1 is adjusted structure, it is characterized in that: described pedestal has a first surface and a second surface, described first surface is towards the lid inner side of described protecgulum, and described second surface is positioned at the back side of described first surface.
4. sampling image lens as claimed in claim 3 is adjusted structure, it is characterized in that: between described first surface and described front cap body inner side, described spring is set, described spring is supported in the periphery of described pedestal.
5. sampling image lens as claimed in claim 3 is adjusted structure, it is characterized in that: described image sensor is set on described second surface, described image sensor is arranged on a circuit board, and described circuit board is arranged on described pedestal with at least three adjustment screws that have on described second surface.
6. sampling image lens as claimed in claim 5 is adjusted structure, it is characterized in that: described at least three adjustment screws arrange on the diverse location of described circuit board, on described adjustment screw, be arranged with adjustment spring, described adjustment spring is between described pedestal and described circuit board.
7. sampling image lens as claimed in claim 5 is adjusted structure, it is characterized in that: described circuit board and described pedestal be arranged in parallel, and the described circuit board arranging on described pedestal and described front cap body be arranged in parallel.
8. sampling image lens as claimed in claim 5 is adjusted structure, it is characterized in that: a hole that described image sensor has by described pedestal is relative with described camera lens and align the optical axis of described camera lens.
9. sampling image lens as claimed in claim 5 is adjusted structure, it is characterized in that: between described circuit board and described pedestal, there is conducting strip setting, described conducting strip is positioned at described circuit board on a side of described pedestal, and described conducting strip contacts with the liner having on described pedestal second surface.
10. sampling image lens as claimed in claim 5 is adjusted structure, it is characterized in that: on described second surface, across described base-plate holes position, have a drive plate, described drive plate connects described drive unit with the position of relatively described base-plate holes central authorities.
11. sampling image lens as claimed in claim 1 are adjusted structure, it is characterized in that: described drive unit comprises a holder and a bonnet, and described motor is arranged on described holder, and described holder is fixed in described bonnet.
12. sampling image lens as claimed in claim 11 are adjusted structure, it is characterized in that: when described bonnet and the combination of described protecgulum, the driving shaft that described motor has is resisted against on described drive plate.
13. sampling image lens as claimed in claim 12 are adjusted structure, it is characterized in that: described motor is to be linear step motor, and described driving shaft carries out axial displacement running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210267376.XA CN103576279A (en) | 2012-07-31 | 2012-07-31 | Image taking lens adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210267376.XA CN103576279A (en) | 2012-07-31 | 2012-07-31 | Image taking lens adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103576279A true CN103576279A (en) | 2014-02-12 |
Family
ID=50048425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210267376.XA Pending CN103576279A (en) | 2012-07-31 | 2012-07-31 | Image taking lens adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103576279A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103888673A (en) * | 2014-04-08 | 2014-06-25 | 张志强 | Back-focus-automatic-adjusting camera module |
| CN106803873A (en) * | 2017-03-02 | 2017-06-06 | 广州众源网络科技有限公司 | A kind of CCTV camera of focus adjustable |
| EP3457207A4 (en) * | 2016-05-09 | 2019-05-08 | Hangzhou Hikvision Digital Technology Co., Ltd. | Back focus adjustment mechanism and video camera provided with same |
| CN114967035A (en) * | 2021-02-24 | 2022-08-30 | 鸿劲精密股份有限公司 | Image capturing device and operating equipment applying same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344785Y (en) * | 1998-10-16 | 1999-10-20 | 敦南科技股份有限公司 | Focusing adjusting device for camera lens |
| US20060081745A1 (en) * | 2004-10-19 | 2006-04-20 | Theriault Philip C | Adjustable optical mounting |
| CN201373938Y (en) * | 2009-02-03 | 2009-12-30 | 力相光学股份有限公司 | Minitype magnetic suspension type lens driving device |
| CN101938600A (en) * | 2009-06-29 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Camera device |
| CN102346351A (en) * | 2010-08-04 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Back focal length adjusting structure |
-
2012
- 2012-07-31 CN CN201210267376.XA patent/CN103576279A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344785Y (en) * | 1998-10-16 | 1999-10-20 | 敦南科技股份有限公司 | Focusing adjusting device for camera lens |
| US20060081745A1 (en) * | 2004-10-19 | 2006-04-20 | Theriault Philip C | Adjustable optical mounting |
| CN201373938Y (en) * | 2009-02-03 | 2009-12-30 | 力相光学股份有限公司 | Minitype magnetic suspension type lens driving device |
| CN101938600A (en) * | 2009-06-29 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Camera device |
| CN102346351A (en) * | 2010-08-04 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Back focal length adjusting structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103888673A (en) * | 2014-04-08 | 2014-06-25 | 张志强 | Back-focus-automatic-adjusting camera module |
| CN103888673B (en) * | 2014-04-08 | 2017-01-25 | 张志强 | Back-focus-automatic-adjusting camera module |
| EP3457207A4 (en) * | 2016-05-09 | 2019-05-08 | Hangzhou Hikvision Digital Technology Co., Ltd. | Back focus adjustment mechanism and video camera provided with same |
| US10739606B2 (en) | 2016-05-09 | 2020-08-11 | Hangzhou Hikvision Digital Technology Co., Ltd. | Back focus adjustment mechanism and video camera provided with same |
| CN106803873A (en) * | 2017-03-02 | 2017-06-06 | 广州众源网络科技有限公司 | A kind of CCTV camera of focus adjustable |
| CN114967035A (en) * | 2021-02-24 | 2022-08-30 | 鸿劲精密股份有限公司 | Image capturing device and operating equipment applying same |
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Application publication date: 20140212 |