CN207424349U - The telecentric lens that a kind of machine vision equipment is worn - Google Patents
The telecentric lens that a kind of machine vision equipment is worn Download PDFInfo
- Publication number
- CN207424349U CN207424349U CN201721637257.3U CN201721637257U CN207424349U CN 207424349 U CN207424349 U CN 207424349U CN 201721637257 U CN201721637257 U CN 201721637257U CN 207424349 U CN207424349 U CN 207424349U
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- China
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- fixedly connected
- lens barrel
- mirror
- adjustment axis
- internally provided
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Abstract
The utility model discloses the telecentric lens that a kind of machine vision equipment is worn, it is formed including lens barrel and device accessory body, the left end of lens barrel is equipped with light adjustment axis, it is fixedly connected on the right side of light adjustment axis in lens barrel, the left end of light adjustment axis is equipped with filter, it is fixedly connected on the right side of filter in light adjustment axis, the left side of filter is equipped with device accessory body, is fixedly connected on the right side of device accessory body in filter.When we carry out radiographic measurement using non-perfect parallel light source to stereo object, the edge of measured object can generate the illusion of perspective drift with different height, thus generate additional measurement error, therefore the doubly telecentric mirror being equipped with, due to being fixedly connected on using " circular cone " shape in lens barrel, when shooting, so as to get image magnification multiplying power will not change with the variation of object distance, the field depth of bigger can be very good to adapt to the working environment at scene.
Description
Technical field
The utility model is related to telecentric lens technical fields, are specially the telecentric lens that a kind of machine vision equipment is worn.
Background technology
Telecentric lens are mainly to correct the camera lens of traditional industry camera lens parallax and special designing, it can be in certain object
Away from the range of, so as to get image magnification multiplying power will not change with the variation of object distance, this is to measured object not on same object plane
Situation be very important application.Telecentric lens are that lens distortion is required very always due to its distinctive parallel light path design
High machine vision applications occasion is favored.
But existing telecentric lens are when shooting, since focal length is fixed, cause zoom difficult, simultaneously because diaphragm is small, because
This is in dark, it is necessary to stronger illumination, and operating distance is relatively short, can not carry out clear zoom at a distance and clap
It takes the photograph, and because environmental factor causes extreme influence to imaging effect, brings inconvenience to using.
So how to design the telecentric lens that a kind of machine vision equipment is worn, becoming us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide the telecentric lens that a kind of machine vision equipment is worn, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides following technical solution：The telecentricity that a kind of machine vision equipment is worn
Camera lens is formed including lens barrel and device accessory body, and the left end of the lens barrel is equipped with light adjustment axis, the right side of the light adjustment axis
It is fixedly connected in lens barrel, the left end of the light adjustment axis is equipped with filter, and light adjusting is fixedly connected on the right side of the filter
In axis, the left side of the filter is equipped with device accessory body, is fixedly connected on the right side of described device accessory body in filter, described device pair
The left side of body is equipped with photoscope, is fixedly connected on the right side of the photoscope in device accessory body, and the right end of the lens barrel is equipped with mirror
Piece cover, the left end of the eyeglass cover are fixedly connected in lens barrel, and the eyeglass cover is internally provided with eyeglass, the edge of the eyeglass
Insertion is arranged in eyeglass cover, and the light adjustment axis is internally provided with mirror hole, and the mirror hole is fixedly connected on light adjustment axis
In, described device accessory body is internally provided with adjuster, and the upper and lower ends of the adjuster are fixedly connected in device accessory body, described
The left side of adjuster is equipped with converter, is fixedly connected in the regulators on the right side of the converter.
Further, the lens barrel is internally provided with doubly telecentric mirror, and doubly telecentric mirror is fixedly connected on mirror in " circular cone " shape
In cylinder.
Further, the lens barrel is internally provided with zoom adapter, and the right end of zoom adapter be fixedly connected on it is double
In telecentric mirror.
Further, the lens barrel is internally provided with high light microscopic, and high light microscopic is fixedly connected in " rectangle of flat body " shape
In lens barrel.
Further, the mirror hole is internally provided with adjusting mirror, and adjusts mirror and be fixedly connected on mirror hole in " circle " shape.
Further, the mirror hole is internally provided with color filter plate, and color filter plate is fixedly connected using " filiform " material
In mirror hole.
Further, the mirror hole is internally provided with large aperture, and large aperture is fixedly connected in the color filter plate of both sides
Between.
Compared with prior art, the beneficial effects of the utility model are：The telecentric lens that this kind of machine vision equipment is worn,
Equipped with zoom adapter, when being shot, since focal length is fixed, cause zoom difficult, when the source of light is a point light source
When, during by three-dimensional object, the distortion illusion of a perspective can be caused, the strong influence effect of shooting imaging
Fruit, therefore the zoom adapter being equipped with using the optical design of microscope group, correct the perspective illusion of image, make user to solid
When object measures, it can achieve the effect that highest precision measure, conventional art is since diaphragm is small, in dark,
Stronger illumination is needed, therefore when we carry out radiographic measurement using non-perfect parallel light source to stereo object, measured object
The edge of part can generate the illusion of perspective drift with different height, thus generate additional measurement error, therefore be equipped with
Doubly telecentric mirror, due to being fixedly connected in lens barrel using " circular cone " shape, when shooting, so as to get image magnification multiplying power will not
Change with the variation of object distance, the field depth of bigger can be very good to adapt to the working environment at scene, make the image of shooting
There is no near big and far smaller sensation, the vacation of perspective drift can be generated with different height by playing the edge of solution measured object
The effect of elephant.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the diagrammatic cross-section of the utility model；
Fig. 3 is the mirror hole schematic internal view of the utility model.
In figure：1- lens barrels；101- high light microscopics；102- zoom adapters；103- doubly telecentric mirrors；2- device accessory bodies；201- is filtered
Mirror；202- photoscopes；203- adjusters；204- converters；3- eyeglass covers；301- eyeglasses；4- light adjustment axis；401- mirrors hole；
4010- adjusts mirror；4011- color filter plates；4012- large apertures.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：The telecentric mirror that a kind of machine vision equipment is worn
Head is formed including lens barrel 1 and device accessory body 2, and the left end of lens barrel 1 is equipped with light adjustment axis 4, and the right side of light adjustment axis 4 is fixed
It is connected in lens barrel 1, the left end of light adjustment axis 4 is equipped with filter 201, and 201 right side of filter is fixedly connected on light adjustment axis 4
In, the left side of filter 201 is equipped with device accessory body 2, and the right side of device accessory body 2 is fixedly connected in filter 201, device accessory body 2
Left side is equipped with photoscope 202, and the right side of photoscope 202 is fixedly connected in device accessory body 2, and the right end of lens barrel 1 is equipped with eyeglass cover
3, the left end of eyeglass cover 3 is fixedly connected in lens barrel 1, and eyeglass cover 3 is internally provided with eyeglass 301, and the edge insertion of eyeglass 301 is set
It puts in eyeglass cover 3, light adjustment axis 4 is internally provided with mirror hole 401, and mirror hole 401 is fixedly connected in light adjustment axis 4, dress
That puts accessory body 2 is internally provided with adjuster 203, and the upper and lower ends of adjuster 203 are fixedly connected in device accessory body 2, adjuster 203
Left side be equipped with converter 204, the right side of converter 204 is fixedly connected in adjuster 203.
Further, lens barrel 1 is internally provided with doubly telecentric mirror 103, and doubly telecentric mirror 103 is fixedly connected in " circular cone " shape
In lens barrel 1, pass through doubly telecentric mirror 103, so as to get image magnification multiplying power will not change with the variation of object distance, the scape of bigger
Deep scope can be very good to adapt to the working environment at scene.
Further, lens barrel 1 is internally provided with zoom adapter 102, and the right end of zoom adapter 102 is fixedly connected on
In doubly telecentric mirror 103, by zoom adapter 102, using the optical design of microscope group, the perspective illusion of image is corrected, makes user
When being measured to three-dimensional object, it can achieve the effect that highest precision measure.
Further, lens barrel 1 is internally provided with high light microscopic 101, and high light microscopic 101 fixes in " rectangle of flat body " shape and connect
It is connected in lens barrel 1, by high light microscopic 101, light during shooting can be supplemented.
Further, being internally provided with for mirror hole 401 adjusts mirror 4010, and adjusts mirror 4010 and be fixedly connected in " circle " shape
Mirror hole 401 by adjusting mirror 4010, can adjust the far and near imaging of object.
Further, mirror hole 401 is internally provided with color filter plate 4011, and color filter plate 4011 is solid using " filiform " material
Surely it is connected in mirror hole 401, by color filter plate 4011, can prevents the distortion of image.
Further, mirror hole 401 is internally provided with large aperture 4012, and large aperture 4012 is fixedly connected on both sides color filter
The centre of plate 4011 by large aperture 4012, can increase the lightness of image.
Operation principle：First, when being shot, observation object is carried out by photoscope 202 with eyes, is needing to carry out
Light when high light microscopic 101 can supplement shooting during shooting, zoom adapter 102 can correct the perspective illusion of image, make user couple
When three-dimensional object measures, it can achieve the effect that highest precision measure, while color filter plate 4011 can prevent figure
The distortion of picture ensures the image quality of image, makes its edge complete, in addition, when shooting, by adjusting mirror 4010, can adjust
The far and near imaging of object is saved, makes the image of shooting not have near big and far smaller sensation, in addition, by large aperture 4012, can increase
The lightness of image by doubly telecentric mirror 103, when shooting, makes the image of shooting not have near big and far smaller sensation, plays understanding
Certainly the edge of measured object can generate the effect of the illusion of perspective drift with different height.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. the telecentric lens that a kind of machine vision equipment is worn are formed including lens barrel (1) and device accessory body (2), it is characterised in that：
The left end of the lens barrel (1) is equipped with light adjustment axis (4), and lens barrel (1) is fixedly connected on the right side of the light adjustment axis (4)
In, the left end of the light adjustment axis (4) is equipped with filter (201), and light adjustment axis is fixedly connected on the right side of the filter (201)
(4) in, the left side of the filter (201) is equipped with device accessory body (2), and described device accessory body is fixedly connected on filter on the right side of (2)
(201) in, the left side of described device accessory body (2) is equipped with photoscope (202), is fixedly connected on the right side of the photoscope (202)
In device accessory body (2), the right end of the lens barrel (1) is equipped with eyeglass cover (3), and the left end of the eyeglass cover (3) is fixedly connected on mirror
In cylinder (1), the eyeglass cover (3) is internally provided with eyeglass (301), and the edge insertion of the eyeglass (301) is arranged on eyeglass cover
(3) in, the light adjustment axis (4) is internally provided with mirror hole (401), and the mirror hole (401) is fixedly connected on light adjustment axis
(4) in, described device accessory body (2) is internally provided with adjuster (203), and the upper and lower ends of the adjuster (203) are fixedly connected
In device accessory body (2), the left side of the adjuster (203) is equipped with converter (204), and the right side of the converter (204) is consolidated
Surely it is connected in adjuster (203).
2. the telecentric lens that a kind of machine vision equipment according to claim 1 is worn, it is characterised in that：The lens barrel
(1) be internally provided with doubly telecentric mirror (103), and doubly telecentric mirror (103) is fixedly connected in " circular cone " shape in lens barrel (1).
3. the telecentric lens that a kind of machine vision equipment according to claim 1 is worn, it is characterised in that：The lens barrel
(1) be internally provided with zoom adapter (102), and the right end of zoom adapter (102) is fixedly connected on doubly telecentric mirror (103)
In.
4. the telecentric lens that a kind of machine vision equipment according to claim 1 is worn, it is characterised in that：The lens barrel
(1) be internally provided with high light microscopic (101), and high light microscopic (101) is fixedly connected in " rectangle of flat body " shape in lens barrel (1).
5. the telecentric lens that a kind of machine vision equipment according to claim 1 is worn, it is characterised in that：The mirror hole
(401) be internally provided with adjusts mirror (4010), and adjusts mirror (4010) and be fixedly connected on mirror hole (401) in " circle " shape.
6. the telecentric lens that a kind of machine vision equipment according to claim 1 is worn, it is characterised in that：The mirror hole
(401) be internally provided with color filter plate (4011), and color filter plate (4011) is fixedly connected on mirror hole using " filiform " material
(401) in.
7. the telecentric lens that a kind of machine vision equipment according to claim 1 is worn, it is characterised in that：The mirror hole
(401) be internally provided with large aperture (4012), and large aperture (4012) is fixedly connected on the centre of both sides color filter plate (4011).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721637257.3U CN207424349U (en) | 2017-11-30 | 2017-11-30 | The telecentric lens that a kind of machine vision equipment is worn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721637257.3U CN207424349U (en) | 2017-11-30 | 2017-11-30 | The telecentric lens that a kind of machine vision equipment is worn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424349U true CN207424349U (en) | 2018-05-29 |
Family
ID=62396581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721637257.3U Active CN207424349U (en) | 2017-11-30 | 2017-11-30 | The telecentric lens that a kind of machine vision equipment is worn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424349U (en) |
-
2017
- 2017-11-30 CN CN201721637257.3U patent/CN207424349U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190403 Address after: 301700 Jinyuan Road, Jingbin Industrial Park, Wuqing District, Tianjin Patentee after: Tianjin Guolian Zhongtai Railway Equipment Co.,Ltd. Address before: 611731 7 building, 1 80 South three ring road, Chengdu high tech Zone, Sichuan Patentee before: CHENGDU CHENHONG TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230118 Address after: Room 1132, Chaoyang Jiali Hotel, 21 Jiuxianqiao, Chaoyang District, Beijing Patentee after: BEIJING G-LINKWELL TECHNOLOGY CO.,LTD. Address before: 301700 Jinyuan Road, Jingbin Industrial Park, Wuqing District, Tianjin Patentee before: Tianjin Guolian Zhongtai Railway Equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |