CN203561788U - Double-amplification factor double-telecentric lens - Google Patents
Double-amplification factor double-telecentric lens Download PDFInfo
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- CN203561788U CN203561788U CN201320610858.0U CN201320610858U CN203561788U CN 203561788 U CN203561788 U CN 203561788U CN 201320610858 U CN201320610858 U CN 201320610858U CN 203561788 U CN203561788 U CN 203561788U
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- 238000003199 nucleic acid amplification method Methods 0.000 title abstract 6
- 230000003287 optical effect Effects 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to the optical instrument technical field, and especially relates to a double-amplification factor double-telecentric lens comprising a front lens barrel assembly provided with a converting mechanism; the converting mechanism comprises a converter head matched and connected with the front lens barrel assembly; the converter head is provided with a first interface and a second interface respectively connected with an optical lens; the converter head is provided with two triangle prisms with a cross section as an isosceles right triangle; the two triangle prisms are combined to form a square prism; two attaching surfaces of the two triangle prisms are respectively provided with a semi-reflection semi-transparent coating film; the double-amplification factor double-telecentric lens allows two different cameras to observe a tested object according to different amplification factors, and no adjustment is needed after amplification; amplification factor accuracy is ensured without changing the tested object and the detection system, and different measuring factor demands of a user can be simultaneously satisfied, thereby improving measuring precision.
Description
Technical field
The utility model relates to optical instrument technical field, relates in particular to the two telecentric lens of a kind of double enlargement factor.
Background technology
Optical lens is requisite parts in Vision Builder for Automated Inspection, directly affects the quality of image quality, affects realization and the effect of algorithm.Optical lens can be divided into short-focus lens, middle zoom lens, telephoto lens from focal length; From visual field size point, there are wide-angle, standard, long shot; In structure, divide and have fixed aperture tight shot, manual iris tight shot, automatic diaphragm fixed focus lens, manually zoom lens, automatic zoom camera lens, auto iris motorized zoom lens, electronic three variable (aperture, focal length, zoom are all variable) camera lens etc.
Telecentric lens is mainly to design for correcting traditional industry camera lens parallax, and it can be within the scope of certain object distance, and the image enlargement ratio obtaining can not be changed.
The existing telecentric lens being used on detecting instrument is only provided with an optical multiplier camera lens, can only realize a multiple, when needs are used different multiples to measure, need to change the optical lens of another kind of multiple, and again proofread and correct, the operation of changing optical lens is very loaded down with trivial details, delay progress, lengthen working hours, what have the greatest impact is to guarantee to change the repetitive positioning accuracy after camera lens completely, detects data and can not carry out confluence analysis with the data of changing before camera lens.
Summary of the invention
The purpose of this utility model is to provide a kind of double enlargement factor two telecentric lens for the deficiencies in the prior art, the utility model support carrys out testee with two different cameras according to different enlargement factors, after zoom without adjustment, can be not to detecting the accuracy that guarantees enlargement factor in the situation that object and detection system making any adjustments, meet the measurement multiple demand that user is different simultaneously, improve measuring accuracy.
For achieving the above object, the two telecentric lens of the double enlargement factor of one of the present utility model, comprise front lens barrel group, described front lens barrel group is provided with changeover mechanism, described changeover mechanism comprises adapter, described adapter and front lens barrel group are connected, adapter is provided with first interface and the second interface, described first interface and the second interface are all connected with optical lens, in described adapter, be provided with the triangular prism that two cross sections are isosceles right triangle, described two triangular prisms are combined into a square prism, two faces that described two triangular prisms fit are provided with half-reflection and half-transmission plated film.
As preferably, one end of described optical lens is connected with adapter, and the other end of this optical lens is connected with camera.
As preferably, described first interface is vertical with the second interface to be arranged, and described optical lens comprises 1 times of optical lens, 2 times of optical lens or 4 times of optical lens.
As preferably, described first interface or the second interface are connected with coaxial light source.
As preferably, described front lens barrel group comprises the first front lens barrel and the second front lens barrel, and one end of described the second front lens barrel is fixedly connected with the first front lens barrel, and the other end of described the second front lens barrel is fixedly connected with adapter.
As preferably, described the first front lens barrel comprises the first lens barrel, is provided with the first convex lens and the second convex lens in the first lens barrel, and described the second convex lens are positioned at the top of the first convex lens.
As preferably, described the second front lens barrel comprises the second lens barrel, and described the second lens barrel is fixedly connected with the first lens barrel, is provided with the 3rd convex lens and for fixing the pressure ring of the 3rd convex lens in described the second lens barrel, described the 3rd convex lens and pressure ring butt.
The beneficial effects of the utility model: during apparatus measures, the reflection ray of measured object is successively through the first convex lens, the second convex lens and the 3rd convex lens arrive two triangular prism places, between two triangular prisms, be provided with the diaphragm of a half-reflection and half-transmission, the first interface of adapter and the second interface are all connected with optical lens, the other end of two optical lens is all connected with camera, the reflection ray of measured object is divided into two-beam line by the diaphragm of half-reflection and half-transmission, two-beam line enters respectively in two optical lens through corresponding triangular prism again, realize the function that two place's cameras can testee, the first interface of adapter and the second interface can be connected the optical lens of different multiples, comprise 1 times of optical lens, 2 times of optical lens and 4 times of optical lens, realize camera and carry out testee according to different enlargement factors, the first interface of adapter can also be connected coaxial light source with the second interface, for detection of some objects harsher to illumination light conditional request.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment mono-.
Fig. 2 is the right view of the utility model embodiment mono-.
Fig. 3 is the Section View along A-A line in Fig. 2.
Fig. 4 is the decomposition texture schematic diagram of the utility model embodiment mono-.
Fig. 5 is the decomposition texture schematic diagram of the utility model embodiment mono-changeover mechanism.
Fig. 6 is the front view of the utility model embodiment bis-.
Reference numeral comprises:
1-adapter, 11-first interface the 12-the second interface
2-triangular prism, 3-half-reflection and half-transmission plated film, 4-coaxial light source
5-the first front lens barrel 51-the first lens barrel the 52-the first convex lens
Front lens barrel the 61-the second lens barrel of the 53-the second convex lens 6-the second
62-the three convex lens 63-pressure ring 7-optical lens.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Implement one
As shown in Figures 1 to 5, the two telecentric lens of a kind of double enlargement factor, comprise front lens barrel group, described front lens barrel group is provided with changeover mechanism, described changeover mechanism comprises adapter 1, described adapter 1 is connected with front lens barrel group, adapter 1 is provided with first interface 11 and the second interface 12, described first interface 11 and the second interface 12 are all connected with optical lens 7, in described adapter 1, be provided with the triangular prism 2 that two cross sections are isosceles right triangle, described two triangular prisms 2 are combined into a square prism, two faces that described two triangular prisms 2 fit are provided with half-reflection and half-transmission plated film 3, one end of described optical lens is connected with adapter 1, the other end of this optical lens 7 is connected with camera.
During the present embodiment apparatus measures, the reflection ray of measured object arrives two triangular prism 2 places through front lens barrel group, between two triangular prisms 2, be provided with the diaphragm 3 of a half-reflection and half-transmission, the first interface 11 of adapter 1 and the second interface 12 are all connected with optical lens 7, the other end of two optical lens 7 is all connected with camera, the reflection ray of measured object is divided into two-beam line by the diaphragm 3 of half-reflection and half-transmission, two-beam line enters respectively in two optical lens 7 through corresponding triangular prism 2 again, realizes two place's cameras and can detect the function of testee.
In the present embodiment, described first interface 11 and the vertical setting of the second interface 12, described optical lens 7 comprises 1 times of optical lens, 2 times of optical lens or 4 times of optical lens, realize camera and carry out testee according to different enlargement factors, first interface 11 and the second interface 12 can be changed the optical lens 7 of different multiples.
In the present embodiment, described front lens barrel group comprises the first front lens barrel 5 and the second front lens barrel 6, one end of described the second front lens barrel 6 is fixedly connected with the first front lens barrel 5, the other end of described the second front lens barrel 6 is fixedly connected with adapter 1, described the first front lens barrel 5 comprises the first lens barrel 51, in the first lens barrel 51, be provided with the first convex lens 52 and the second convex lens 53, described the second convex lens 53 are positioned at the top of the first convex lens 52, described the second front lens barrel 6 comprises the second lens barrel 61, described the second lens barrel 61 is fixedly connected with the first lens barrel 51, in described the second lens barrel 61, be provided with the 3rd convex lens 62 and for fixing the pressure ring 63 of the 3rd convex lens 62, described the 3rd convex lens 62 and pressure ring 63 butts, front lens barrel component is become to the first front lens barrel 5 and convenient production of the second front lens barrel 6, image-forming principle is identical with the principle of camera, the reflection ray of measured object passes the first convex lens 52, the second convex lens 53 and the 3rd convex lens 62 arrive two triangular prisms 2, by half-reflection and half-transmission diaphragm 3, be divided into two-beam line through two triangular prisms 2 again, enter respectively again in two optical lens 7, realize the function that two place's cameras can testee.
Embodiment bis-
As shown in Figure 6, the difference of the present embodiment and embodiment mono-is: described first interface 11 or the second interface 12 are connected with coaxial light source 4, during measurement, measured object is because the measurement environment around self is undesirable or detection system is harsher to lighting requirement, according to demand just can be at a wherein coaxial light source 4 of any one interface connection of adapter 1, the light of coaxial light source 4 can be radiated on measured object uniformly, meets the requirement of system to illumination, makes to measure more accurate.
The remainder of the present embodiment is identical with embodiment mono-, repeats no more here.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (1)
1. the two telecentric lens of double enlargement factor, comprise front lens barrel group, it is characterized in that: described front lens barrel group is provided with changeover mechanism, described changeover mechanism comprises adapter (1), described adapter (1) is connected with front lens barrel group, adapter (1) is provided with first interface (11) and the second interface (12), described first interface (11) and the second interface (12) are all connected with optical lens (7), in described adapter (1), be provided with the triangular prism that two cross sections are isosceles right triangle (2), described two triangular prisms (2) are combined into a square prism, two faces that described two triangular prisms (2) fit are provided with half-reflection and half-transmission plated film (3).
2. the two telecentric lens of the double enlargement factor of one according to claim 1, is characterized in that: one end of described optical lens (7) is connected with adapter (1), and the other end of this optical lens (7) is connected with camera.
3. the two telecentric lens of the double enlargement factor of one according to claim 1, it is characterized in that: described first interface (11) setting vertical with the second interface (12), described optical lens (7) comprises 1 times of optical lens, 2 times of optical lens or 4 times of optical lens.
4. the two telecentric lens of the double enlargement factor of one according to claim 1, is characterized in that: described first interface (11) or the second interface (12) are connected with coaxial light source (4).
5. the two telecentric lens of the double enlargement factor of one according to claim 1, it is characterized in that: described front lens barrel group comprises the first front lens barrel (5) and the second front lens barrel (6), one end of described the second front lens barrel (6) is fixedly connected with the first front lens barrel (5), and the other end of described the second front lens barrel (6) is fixedly connected with adapter (1).
6. the two telecentric lens of the double enlargement factor of one according to claim 5, it is characterized in that: described the first front lens barrel (5) comprises the first lens barrel (51), in the first lens barrel (51), be provided with the first convex lens (52) and the second convex lens (53), described the second convex lens (53) are positioned at the top of the first convex lens (52).
7. the two telecentric lens of the double enlargement factor of one according to claim 6, it is characterized in that: described the second front lens barrel (6) comprises the second lens barrel (61), described the second lens barrel (61) is fixedly connected with the first lens barrel (51), in described the second lens barrel (61), be provided with the 3rd convex lens (62) and for fixing the pressure ring (63) of the 3rd convex lens (62), described the 3rd convex lens (62) and pressure ring (63) butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610858.0U CN203561788U (en) | 2013-09-30 | 2013-09-30 | Double-amplification factor double-telecentric lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610858.0U CN203561788U (en) | 2013-09-30 | 2013-09-30 | Double-amplification factor double-telecentric lens |
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| Publication Number | Publication Date |
|---|---|
| CN203561788U true CN203561788U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320610858.0U Expired - Lifetime CN203561788U (en) | 2013-09-30 | 2013-09-30 | Double-amplification factor double-telecentric lens |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057228A (en) * | 2015-08-05 | 2015-11-18 | 罗颖 | Connector pin needle hole online detection device |
| CN105277127A (en) * | 2014-07-03 | 2016-01-27 | 石家庄市申跃电子仪器有限公司 | Intelligent cable thickness block detection instrument |
| CN106483642A (en) * | 2016-12-14 | 2017-03-08 | 舜宇光学(中山)有限公司 | A kind of doubly telecentric camera lens based on machine vision |
| CN110262019A (en) * | 2019-07-17 | 2019-09-20 | 深圳市沃特隆科技有限公司 | A kind of coaxial lens construction of telecentricity |
| CN110646929A (en) * | 2019-09-30 | 2020-01-03 | 陕西维视数字图像技术有限公司 | Double-magnification large-field telecentric lens |
| CN111175950A (en) * | 2020-01-08 | 2020-05-19 | 东莞锐星视觉技术有限公司 | Bilateral telecentric lens |
| CN111175949A (en) * | 2020-01-08 | 2020-05-19 | 东莞锐星视觉技术有限公司 | Bilateral double-magnification telecentric lens |
| CN111208631A (en) * | 2020-01-08 | 2020-05-29 | 东莞锐星视觉技术有限公司 | Telecentric optical path with double multiplying power |
-
2013
- 2013-09-30 CN CN201320610858.0U patent/CN203561788U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277127A (en) * | 2014-07-03 | 2016-01-27 | 石家庄市申跃电子仪器有限公司 | Intelligent cable thickness block detection instrument |
| CN105057228A (en) * | 2015-08-05 | 2015-11-18 | 罗颖 | Connector pin needle hole online detection device |
| CN106483642A (en) * | 2016-12-14 | 2017-03-08 | 舜宇光学(中山)有限公司 | A kind of doubly telecentric camera lens based on machine vision |
| CN110262019A (en) * | 2019-07-17 | 2019-09-20 | 深圳市沃特隆科技有限公司 | A kind of coaxial lens construction of telecentricity |
| CN110646929A (en) * | 2019-09-30 | 2020-01-03 | 陕西维视数字图像技术有限公司 | Double-magnification large-field telecentric lens |
| CN111175950A (en) * | 2020-01-08 | 2020-05-19 | 东莞锐星视觉技术有限公司 | Bilateral telecentric lens |
| CN111175949A (en) * | 2020-01-08 | 2020-05-19 | 东莞锐星视觉技术有限公司 | Bilateral double-magnification telecentric lens |
| CN111208631A (en) * | 2020-01-08 | 2020-05-29 | 东莞锐星视觉技术有限公司 | Telecentric optical path with double multiplying power |
| CN111175949B (en) * | 2020-01-08 | 2021-11-12 | 东莞锐星视觉技术有限公司 | Bilateral double-magnification telecentric lens |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |