CN200989846Y - Optical test clamp device - Google Patents
Optical test clamp device Download PDFInfo
- Publication number
- CN200989846Y CN200989846Y CN 200620139354 CN200620139354U CN200989846Y CN 200989846 Y CN200989846 Y CN 200989846Y CN 200620139354 CN200620139354 CN 200620139354 CN 200620139354 U CN200620139354 U CN 200620139354U CN 200989846 Y CN200989846 Y CN 200989846Y
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- China
- Prior art keywords
- lens assembly
- levelling
- curtain
- test tool
- driving mechanism
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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.)
- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 230000003287 optical effect Effects 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 15
- 239000005338 frosted glass Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an optical testing gig which is used to test a lens component and which includes an adjusting benchmark device and a corresponding testing device; the adjusting benchmark device is at least provided with a lamp-house and an adjusting screen; and the testing device is provided with a fixing mechanism which is used to fix the lens component, a drive mechanism which adjusts the focus of the lens component and a close-up filter which is arranged between the lens component and the adjusting screen; wherein, the close-up filter is used to shorten the relative distance between the adjusting benchmark device and the testing device, and the drive mechanism drives the gear group by a worm wheel to adjust the focus of the lens component.
Description
Technical field
The utility model relates to a kind of optic test tool, relates in particular to a kind of optic test tool of corrective lens assembly focal length.
Background technology
Flourish along with present science and technology, digital product on the market is constantly weeded out the old and bring forth the new and is cheap, consumer level image capture units such as mobile phone, PDA and digital camera with filming image function are universalness day by day, has become the popular portable tool that is used for noting down things in daily life or work.
Imaging in order to ensure image capture units such as digital cameras is clear, and before the assembling digital camera, the steps flow chart of its lens assembly process focusing earlier test is so that digital camera has best image quality.Existing measurement jig in order to testing lens assembly focal length, utilize a plurality of light source projects to have on the cloth curtain of target, and the reduction gear ratio that lens assembly is meshing with each other and is produced by each gear in the gear set, and adjust the focal length of lens assembly according to the target imaging that lens assembly captured, cause the focal length of lens assembly to be adjusted to optimization.
In the existing measurement jig, as the distance that needs 2000 millimeters (mm) between the cloth curtain of target and the lens assembly, just can be to the lens assembly test of focusing, its required work space is excessive, and produces artificial error in measurement because of measuring distance is excessive easily.
The gear set in order to adjustment lens assembly focal length of existing measurement jig, because it is huge to form the various overall architecture of gear set that causes of quantity of gear, and occupy the too much work space of measurement jig, also because of crossing being meshing with each other of multi-gear, cause gear set to produce excessive tolerance clearance, cause the reduction gear ratio of original start and the reduction gear ratio generation difference of actual output, and cause the precision of gear set to reduce.
In addition, gear set is adjusted the focal length of lens assembly with manual mode by a scale mechanism, very easily cause the precision of gear set not good because of artificial error, so must expend the too much time carefully is adjusted to optimization with the focal length of lens assembly, not only waste time and energy and correction rate extremely slow, and do not meet and manufacture desired economic benefit.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of optic test tool, and gear quantity excessive so as to the required work space of improvement prior art, that reach gear set is too much, causes the not good shortcoming of precision and testing efficiency.
To achieve these goals, optic test tool of the present utility model, in order to test a lens assembly, it includes a correction reference device and a corresponding proving installation.Wherein, the correction reference device has an at least one light source and a levelling curtain, and proving installation has a fixed mechanism, a driving mechanism, reaches a close-shot filter, and fixed mechanism is in order to the fixed lens assembly, and lens assembly and levelling curtain are positioned on the same optical axis, driving mechanism has a gear set and a worm gear that is connected with gear set that links with lens assembly, in order to adjust the focal length of lens assembly, and the close-shot filter is arranged at lens assembly and the optical axis position place of aligning interlude, to shorten the relative distance between correction reference device and proving installation.
Effect of the present utility model is by a close-shot filter to shorten the measuring distance between correction reference device and proving installation, and utilize the worm gear drives gear set to adjust the focal length of lens assembly, to significantly reduce the usage space of optic test tool, and promote the precision and the testing efficiency of optic test tool.
Above about this novel content explanation and the explanation of following embodiment in order to demonstration and principle of explaining that this is novel, and provide this novel patent claim further to explain.
Description of drawings
Figure 1A is a vertical view of the present utility model;
Figure 1B is a side view of the present utility model;
Fig. 1 C is the local enlarged diagram that driving mechanism of the present utility model and lens assembly link; And
Fig. 2 is the annexation synoptic diagram of driving mechanism of the present utility model.
Wherein, Reference numeral:
100: optic test tool 110: the correction reference device
111: light source 112: the levelling curtain
113: frosted glass plate 120: proving installation
121: fixed mechanism 122: driving mechanism
1221: step motor 1222: gear set
1223: worm gear 123: the close-shot filter
200: lens assembly 300: electronic installation
T: the number of teeth
Embodiment
Figure 1A to Fig. 1 C is depicted as vertical view of the present utility model and side view.As shown in the figure, the optic test tool 100 that the utility model discloses is in order to testing a lens assembly 200, and lens assembly 200 is electrically connected at an electronic installation 300, and transmits a test signal to electronic installation 300.Optic test tool 100 of the present utility model includes a correction reference device 110 and a proving installation 120 corresponding to correction reference device 110, wherein correction reference device 110 has two light sources 111 and a levelling curtain 112, and levelling curtain 112 is provided with a correction target (not shown), and two light sources 111 are Halogen lamp LED, and extremely align ray cast on the correction target of curtain 112 with the incident angle of mirror image symmetry; And have a fixed mechanism 121 corresponding to the proving installation 120 of correction reference device 110, one driving mechanism 122, an and close-shot filter 123 (Close-Up Filter), wherein fixed mechanism 121 is a floating holder, in order to lens assembly 200 is clamped and fastened on wherein, and make lens assembly 200 corresponding to levelling curtain 112, cause the lens assembly 200 and the correcting mark target of levelling curtain 112 to be positioned on the same optical axis, and driving mechanism 122 is linked on the lens assembly 200, and driving mechanism 122 is transmitted back to the signal of electronic installation 300 according to lens assembly 200, adjustment with the focal length test parameter that carries out lens assembly 200, and close-shot filter 123 is adjacent to lens assembly 200, and be arranged on the optical axis position of correction target of lens assembly 200 acquisition levelling curtain 112, so that the measuring distance of 112 on lens assembly 200 and levelling curtain is shortened, can significantly foreshorten to the measuring distance of 183mm by the measuring distance of original 2000mm.
Shown in Figure 1A and Figure 1B, wherein also can be projected on the optical axis position of aligning curtain 112 frosted glass plate 113 is set respectively, so that the light that light source 111 is launched more is concentrated on the levelling curtain 112 in two light sources 111.In addition, have more a step motor 1221 in order to the driving mechanism 122 of adjusting lens assembly 200, drive the focal length that driving mechanism 122 is adjusted lens assembly 200 with the manual mode that replaces prior art, can be quicker laborsaving and accurately adjust the test focal length that lens assembly 200 sets.
Fig. 1 C and Figure 2 shows that driving mechanism of the present utility model 122 and the partial enlarged drawing of the binding of lens assembly 200 and the annexation synoptic diagram of driving mechanism 122.As shown in the figure, wherein driving mechanism 122 has gear sets 1222 that link mutually with lens assembly 200, an and worm gear 1223 that is connected with gear set 1222, utilize worm gear 1223 accurately drive gear set adjust the focal length of lens assembly 200, to reduce the cumulative limit that is produced because of too much gearing mesh, cause the test focal length of lens assembly 200 to produce error.
As shown in Figure 2, worm gear 1223 wherein of the present utility model drives one 46 gears, and make 46 gears drive 46 gears in same axle center, and 105 gears in 46 gears and adjacent axle center interconnect, and drive and 105 gears are positioned at 35 gears on the same axle center, then 35 gears drive 105 adjacent gears, and last 105 gears drive 61 adjacent gears and export a torsion to adjust the focal length of lens assembly 200.Make 46 gears drive 105 gears with worm gear 1223, can obtain reduction gear ratio 0.4 (46/105=0.4), cause gear set 1222 to have the focal length that enough torsion is adjusted lens assembly 200, and the gear set 1222 that the gear by the different numbers of teeth is formed, can significantly reduce the cumulative limit that produces because of gear clearance, so that driving mechanism 122 is adjusted the focal length of lens assembly 200 accurately.
Compare with prior art, optic test tool of the present utility model utilizes a close-shot filter to shorten the measuring distance between correction reference device and proving installation, and by the focal length of worm gear drives gear set with the adjustment lens assembly, the employed work space of optic test tool will be significantly reduced, and the precision and the testing efficiency of optic test tool can be promoted.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; be familiar with those of ordinary skill in the art and work as and to make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (4)
1. an optic test tool in order to test a lens assembly, is characterized in that, includes:
One correction reference device, it has an at least one light source and a levelling curtain; And
One proving installation, corresponding to this correction reference device, this proving installation includes:
One fixed mechanism, this lens assembly is fixed in this fixed mechanism, and this lens assembly is corresponding to this levelling curtain;
One driving mechanism is linked to this lens assembly, in order to adjust the focal length of this lens assembly; And
One close-shot filter is arranged at the optical axis position of this lens assembly and this levelling interlude, in order to shorten the relative distance between this correction reference device and this proving installation.
2. optic test tool according to claim 1 is characterized in that, this driving mechanism also has a gear set and a worm gear that is connected with this gear set that links with this lens assembly.
3. optic test tool according to claim 2 is characterized in that, this driving mechanism also has one and is connected in order to drive the step motor of this this gear set of worm gear drives with this worm gear.
4. optic test tool according to claim 1 is characterized in that, between this light source and this levelling curtain a frosted glass plate is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620139354 CN200989846Y (en) | 2006-11-27 | 2006-11-27 | Optical test clamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620139354 CN200989846Y (en) | 2006-11-27 | 2006-11-27 | Optical test clamp device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200989846Y true CN200989846Y (en) | 2007-12-12 |
Family
ID=38940883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620139354 Expired - Fee Related CN200989846Y (en) | 2006-11-27 | 2006-11-27 | Optical test clamp device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200989846Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096306A (en) * | 2009-12-10 | 2011-06-15 | 深圳市金科威实业有限公司 | Device and method for carrying out multi-parameter testing on digital imaging lens |
| CN102759440A (en) * | 2011-04-27 | 2012-10-31 | 华晶科技股份有限公司 | Resolution testing device and method thereof |
| TWI645175B (en) * | 2014-10-23 | 2018-12-21 | 鴻海精密工業股份有限公司 | Depth of field testing device |
| CN113758676A (en) * | 2020-06-04 | 2021-12-07 | 三赢科技（深圳）有限公司 | Optical element detection auxiliary device |
-
2006
- 2006-11-27 CN CN 200620139354 patent/CN200989846Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096306A (en) * | 2009-12-10 | 2011-06-15 | 深圳市金科威实业有限公司 | Device and method for carrying out multi-parameter testing on digital imaging lens |
| CN102096306B (en) * | 2009-12-10 | 2015-03-04 | 飞利浦金科威（深圳）实业有限公司 | Device and method for carrying out multi-parameter testing on digital imaging lens |
| CN102759440A (en) * | 2011-04-27 | 2012-10-31 | 华晶科技股份有限公司 | Resolution testing device and method thereof |
| CN102759440B (en) * | 2011-04-27 | 2015-01-07 | 华晶科技股份有限公司 | Resolution testing device and method thereof |
| TWI645175B (en) * | 2014-10-23 | 2018-12-21 | 鴻海精密工業股份有限公司 | Depth of field testing device |
| CN113758676A (en) * | 2020-06-04 | 2021-12-07 | 三赢科技（深圳）有限公司 | Optical element detection auxiliary device |
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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: 20071212 Termination date: 20131127 |