CN205539677U - Novel two telecentric mirror heads - Google Patents
Novel two telecentric mirror heads Download PDFInfo
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- CN205539677U CN205539677U CN201520918566.2U CN201520918566U CN205539677U CN 205539677 U CN205539677 U CN 205539677U CN 201520918566 U CN201520918566 U CN 201520918566U CN 205539677 U CN205539677 U CN 205539677U
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Abstract
The utility model relates to a novel two telecentric mirror heads, including the lens cone, the lens cone includes preceding lens cone, a rear mirror section of thick bamboo and inner lens cone, preceding lens cone front end internally mounted has G01G02 bonding lens and clamping ring, be equipped with G03 convex -concave lens in proper order along light on the right -hand inner lens cone inner wall to incident of left hand, G04 biconcave lens, the G05G06 lens of adhereing, the G07G08 lens of adhereing, the G09 plane -convex lens, G10 convex -concave lens, between G04 biconcave lens and the G05G06 bonding lens, between G05G06 bonding mirror and the G07G08 bonding lens, between G07G08 bonding lens and the G09 plane -convex lens, all be equipped with the spacer ring between G09 plane -convex lens and the G10 convex -concave lens, the optical structure overall length is very little, distort possible 0.01, depth of field scope is very little, convenient use, high resolution, ultralow distortion, good performance.
Description
Technical field
This utility model relates to the technical field of industrial lens, a kind of novel doubly telecentric camera lens.
Background technology
Industrial lens is highly important image-forming component in Vision Builder for Automated Inspection, if system is thought to play its function, work completely
Industry camera lens have to disclosure satisfy that requirement, at the beginning of 21 century, along with Vision Builder for Automated Inspection extensively should in Precision measurement field
With, general industry camera lens is difficult to meet testing requirement, for making up the deficiency of common lens application, adapts to Precision measurement demand, far
Heart camera lens arises at the historic moment.
Telecentric lens is according to the optical characteristics of its uniqueness: high-resolution, the ultra-wide depth of field, ultra-low distortion and exclusive parallel
Light designs etc., bring qualitative leap to machine vision Precision measurement.
Telecentric lens (Telecentric), mainly designs for correcting traditional industry camera lens parallax, and it can be necessarily
Object distance range in so as to get image enlargement ratio will not change, this is not situation right and wrong on same object plane to measured object
The most important application.Telecentric lens regards for machine exigent to lens distortion due to the design of its distinctive parallel light path always
Feel that application scenario is favored.
Telecentric lens purpose of design eliminates exactly owing to testee (or CCD chip) differs from the distance of distance of camera lens
Cause, cause enlargement ratio different, be respectively as follows: according to telecentric lens classification design principle
1. thing side's telecentric beam path design principle and effect: aperture diaphragm is placed on optical system by thing side's telecentric beam path
On image space focal plane, thing side's chief ray is parallel to the convergence center of optical axis chief ray and is positioned at image space infinity, referred to as: thing Fang Yuan
Heart light path.It act as: can eliminate what thing side brought owing to focusing is inaccurate, error in reading.
2. telecentric beam path in image space design principle and effect: aperture diaphragm is placed on optical system by telecentric beam path in image space
On focal plane, thing side, image space chief ray is parallel to the convergence center of optical axis chief ray and is positioned at infinity, thing side, referred to as: image space is remote
Heart light path.It act as: can eliminate the inaccurate measurement error introduced of image space focusing.
3. both sides telecentric beam path design principle and effect: combine the dual function of thing side/image space telecentricity.It is mainly used in regarding
Feel and measure detection field.
But its performance of current telecentric lens need to promote.Therefore, for the problems referred to above be this utility model research
Object.
Utility model content
In order to solve the deformation of image, visual angle selects and causes border not under the interference of the error caused, inappropriate light source
The problems such as definitiveness, and then the technical problem of the above-mentioned existence of precision of impact measurement, utility model proposes a kind of novel double remote
Heart camera lens, concrete technical scheme is as follows:
A kind of novel doubly telecentric camera lens, including lens barrel, it is characterised in that: described lens barrel includes front lens barrel, rear lens barrel and interior
Lens barrel, described front lens barrel is threaded connection with rear lens barrel, and described rear lens barrel is internally installed inner lens cone, described rear lens barrel end
Connecting a CS interface by screw, described front lens barrel front end is internally installed G01G02 bonding eyeglass and trim ring, and described trim ring is put
Bonding eyeglass front end in G01G02, and be bolted in the front inner wall of front lens barrel, described G01G02 bonding eyeglass is by G01 biconvex mirror
Sheet and G02 convex-concave eyeglass composition, be sequentially provided with along the inner lens cone inwall that light direction from left to right is incident G03 convex-concave eyeglass,
G04 concave-concave eyeglass, G05G06 bonding eyeglass, G07G08 bond eyeglass, G09 planoconvex lens, G10 convex-concave eyeglass, described G05G06
Bonding eyeglass is made up of the concavo-convex eyeglass of G05 and the concavo-convex eyeglass of G06, and described G07G08 bonding eyeglass is recessed by G07 biconvex eyeglass and G08
Convex lens sheet form, described G04 concave-concave eyeglass and G05G06 bonding eyeglass between, G05G06 bonding mirror and G07G08 bonding eyeglass it
Between, G07G08 bonding eyeglass and G09 planoconvex lens between, be equipped with spacer ring between G09 planoconvex lens and G10 convex-concave eyeglass.
Described G01 biconvex eyeglass focal range: F=-120～130mm, G02 convex-concave eyeglass focal range: F=-260～-
270mm, G01 biconvex eyeglass uses the relatively low material of refractive index, and G02 convex-concave eyeglass uses the relatively mild material of refractive index, G03 convex-concave
Eyeglass focal range: F=40～45mm, G03 convex-concave eyeglass uses the relatively low material of refractive index, G04 concave-concave eyeglass focal range: F
=-9～-13mm, G04 concave-concave eyeglass uses the relatively low material of refractive index, G05 concavo-convex eyeglass focal range: F=5～10mm, G06
Concavo-convex eyeglass focal range: the concavo-convex eyeglass of F=-6～-8mm, G05 uses the more moderate material of refractive index, the concavo-convex eyeglass of G06 uses
The relatively mild material of refractive index, G07 biconvex eyeglass focal range: F=7～10mm, G08 concavo-convex eyeglass focal range: F=-13
～-16mm, G07 biconvex eyeglass uses the more moderate material of refractive index, the concavo-convex eyeglass of G08 uses the relatively mild material of refractive index, G09
Planoconvex lens focal range: F=55～57mm, G09 planoconvex lens uses the relatively low material of refractive index, G10 convex-concave eyeglass focal length model
Enclose: F=53～55mm, G10 convex-concave eyeglass uses the relatively low material of refractive index.
Described inner lens cone front inner wall is provided with trim ring, and described trim ring is placed in G03 convex-concave eyeglass front end.
In this utility model, optical texture uses ten pieces of glass lens, wherein has three groups of bonding eyeglasses；Optics overall length is less than
First piece of eyeglass of 250mm(optics is to the distance of image planes)；Optical texture overall length is the least, and distortion can accomplish ＜ 0.01, the depth of field
Scope is the widest.
The compared with prior art acquired technique effect of this utility model is: this utility model simple in construction, uses just
Victory, high-resolution, field depth is the widest, ultra-low distortion, has a good performance, and simple in construction is reasonable in design, is worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Wherein after lens barrel 2., lens barrel 3. inner lens cone 5. CS interface 6. G01G02 bonds eyeglass 7. trim ring before 1.
8. G03 convex-concave eyeglass 9. G04 concave-concave eyeglass 10. G05G06 bonding eyeglass 11. G07G08 bonding eyeglass 12. G09 puts down
Convex lens sheet 13. G10 convex-concave eyeglass 14. spacer ring.
Detailed description of the invention
1 describe this utility model in detail below in conjunction with the accompanying drawings.
Shown in Fig. 1: a kind of novel doubly telecentric camera lens, including lens barrel, described lens barrel includes front lens barrel 1, rear lens barrel 2 and scope
Cylinder 3, described front lens barrel 1 is threaded connection with rear lens barrel 2, and described rear lens barrel 2 is internally installed inner lens cone 3, described rear lens barrel 2
End connects a CS interface 5 by screw, and described front lens barrel 1 front end is internally installed G01G02 bonding eyeglass 6 and trim ring 7, institute
Stating trim ring 7 and be placed in G01G02 bonding eyeglass 6 front end, and be bolted in the front inner wall of front lens barrel 1, described G01G02 bonds eyeglass
6 are made up of G01 biconvex eyeglass and G02 convex-concave eyeglass, are sequentially provided with on inner lens cone 3 inwall that light direction from left to right is incident
G03 convex-concave eyeglass 8, G04 concave-concave eyeglass 9, G05G06 bonding eyeglass 10, G07G08 bond eyeglass 11, G09 planoconvex lens 12, G10
Convex-concave eyeglass 13, described G05G06 bonding eyeglass 10 is made up of the concavo-convex eyeglass of G05 and the concavo-convex eyeglass of G06, and described G07G08 bonds
Eyeglass 11 is made up of G07 biconvex eyeglass and the concavo-convex eyeglass of G08, between described G04 concave-concave eyeglass 9 and G05G06 bonding eyeglass 10,
Between G05G06 bonding eyeglass 10 and G07G08 bonding eyeglass 11, between G07G08 bonding eyeglass 11 and G09 planoconvex lens 12,
It is equipped with spacer ring 14 between G09 planoconvex lens 12 and G10 convex-concave eyeglass 13.
Described G01 biconvex eyeglass focal range: F=-120～130mm, G02 convex-concave eyeglass focal range: F=-260～-
270mm, G01 biconvex eyeglass uses the relatively low material of refractive index, and G02 convex-concave eyeglass uses the relatively mild material of refractive index, G03 convex-concave
Eyeglass focal range: F=40～45mm, G03 convex-concave eyeglass uses the relatively low material of refractive index, G04 concave-concave eyeglass focal range: F
=-9～-13mm, G04 concave-concave eyeglass uses the relatively low material of refractive index, G05 concavo-convex eyeglass focal range: F=5～10mm, G06
Concavo-convex eyeglass focal range: the concavo-convex eyeglass of F=-6～-8mm, G05 uses the more moderate material of refractive index, the concavo-convex eyeglass of G06 uses
The relatively mild material of refractive index, G07 biconvex eyeglass focal range: F=7～10mm, G08 concavo-convex eyeglass focal range: F=-13
～-16mm, G07 biconvex eyeglass uses the more moderate material of refractive index, the concavo-convex eyeglass of G08 uses the relatively mild material of refractive index, G09
Planoconvex lens focal range: F=55～57mm, G09 planoconvex lens uses the relatively low material of refractive index, G10 convex-concave eyeglass focal length model
Enclose: F=53～55mm, G10 convex-concave eyeglass uses the relatively low material of refractive index.
Described inner lens cone 3 front inner wall is provided with trim ring 7, and described trim ring 7 is placed in G03 convex-concave eyeglass 8 front end.
In this utility model, the telecentric lens specification used is as follows: scaling: 0.067X；Imaging catercorner length:
6.70mm；Focal length E:106mm；Relative distortion: q ＜ 0.01%, field depth width.
Each optics illustrates:
1. G01G02 bond eyeglass focal range: 220～230mm(G01 biconvex eyeglass focal range: F=-120～
130mm, G02 convex-concave eyeglass focal range: F=-260～-270mm), G01 eyeglass uses the relatively low material of refractive index, G02 eyeglass
Use the relatively mild material of refractive index.
2. G03 eyeglass (convex-concave focal range: F=40～45mm), G03 eyeglass uses the relatively low material of refractive index.
3. G04 eyeglass (concave-concave focal range: F=-9～-13mm), G04 eyeglass uses the relatively low material of refractive index.
4. G05G06 bond eyeglass focal range :-255～-260mm(G05 concavo-convex eyeglass focal range: F=5～
10mm, G06 concavo-convex eyeglass focal range: F=-6～-8mm), G05 eyeglass uses the more moderate material of refractive index, and G06 eyeglass uses
The relatively mild material of refractive index.
5. G07G08 bonding eyeglass focal range: 16～19mm(G07 biconvex eyeglass focal range: F=7～10mm,
G08 concavo-convex eyeglass focal range: F=-13～-16mm), G05 eyeglass uses the more moderate material of refractive index, and G06 eyeglass uses folding
The relatively mild material of rate of penetrating.
6. G09 eyeglass (plano-convex focal range: F=55～57mm), G09 eyeglass uses the relatively low material of refractive index.
7. G10 eyeglass (convex-concave focal range: F=53～55mm), G10 eyeglass uses the relatively low material of refractive index；Optics is tied
Structure uses ten pieces of glass lens, wherein has three groups of bonding eyeglasses；Optics overall length is less than first piece of eyeglass of 250mm(optics to picture
The distance in face)；Optical texture overall length is the least, and distortion can accomplish ＜ 0.01, and field depth is the biggest.
The compared with prior art acquired technique effect of this utility model is: this utility model simple in construction, uses just
Victory, high-resolution, field depth is very big, ultra-low distortion, has a good performance, and simple in construction is reasonable in design, is worthy to be popularized.
Above word and accompanying drawing show primary structure of the present utility model and technical characteristic, and industry technical staff should
Understanding, this utility model is not restricted to the described embodiments, and described in above-described embodiment and description, this practicality is simply described
Novel principle, on the premise of without departing from spirit and scope of the present utility model, those of ordinary skill in the art simple the most more
Change and replace all among protection domain of the present utility model.
Claims (3)
1. a novel doubly telecentric camera lens, including lens barrel, it is characterised in that: described lens barrel includes front lens barrel, rear lens barrel and scope
Cylinder, described front lens barrel is threaded connection with rear lens barrel, and described rear lens barrel is internally installed inner lens cone, and described rear lens barrel end leads to
Crossing screw and connect a CS interface, described front lens barrel front end is internally installed G01G02 bonding eyeglass and trim ring, and described trim ring is placed in
G01G02 bonds eyeglass front end, and is bolted in the front inner wall of front lens barrel, and described G01G02 bonding eyeglass is by G01 biconvex eyeglass
Form with G02 convex-concave eyeglass, on the inner lens cone inwall that light direction from left to right is incident, be sequentially provided with G03 convex-concave eyeglass, G04
Concave-concave eyeglass, G05G06 bonding eyeglass, G07G08 bond eyeglass, G09 planoconvex lens, G10 convex-concave eyeglass, and described G05G06 bonds
Eyeglass is made up of the concavo-convex eyeglass of G05 and the concavo-convex eyeglass of G06, and described G07G08 bonding eyeglass is by G07 biconvex eyeglass and G08 concave and convex lenses
Sheet forms, between described G04 concave-concave eyeglass and G05G06 bonding eyeglass, between G05G06 bonding mirror and G07G08 bonding eyeglass,
Between G07G08 bonding eyeglass and G09 planoconvex lens, between G09 planoconvex lens and G10 convex-concave eyeglass, it is equipped with spacer ring.
Novel doubly telecentric camera lens the most according to claim 1, it is characterised in that: described G01 biconvex eyeglass focal range: F
=-120～130mm, G02 convex-concave eyeglass focal range: F=-260～-270mm, G01 biconvex eyeglass uses the relatively low material of refractive index
Material, G02 convex-concave eyeglass uses the relatively mild material of refractive index, G03 convex-concave eyeglass focal range: F=40～45mm, G03 convex-concave
Eyeglass uses the relatively low material of refractive index, G04 concave-concave eyeglass focal range: F=-9～-13mm, G04 concave-concave eyeglass uses refractive index
Relatively low material, G05 concavo-convex eyeglass focal range: F=5～10mm, G06 concavo-convex eyeglass focal range: F=-6～-8mm, G05 are recessed
Convex lens sheet uses the more moderate material of refractive index, and the concavo-convex eyeglass of G06 uses the relatively mild material of refractive index, G07 biconvex eyeglass focal length
Scope: F=7～10mm, G08 concavo-convex eyeglass focal range: F=-13～-16mm, G07 biconvex eyeglass uses refractive index more moderate
Material, the concavo-convex eyeglass of G08 uses the relatively mild material of refractive index, G09 planoconvex lens focal range: F=55～57mm, G09 are flat
Convex lens sheet uses the relatively low material of refractive index, G10 convex-concave eyeglass focal range: F=53～55mm, G10 convex-concave eyeglass uses refraction
The relatively low material of rate.
Novel doubly telecentric camera lens the most according to claim 1, it is characterised in that: described inner lens cone front inner wall is provided with pressure
Circle, described trim ring is placed in G03 convex-concave eyeglass front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520918566.2U CN205539677U (en) | 2015-11-18 | 2015-11-18 | Novel two telecentric mirror heads |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520918566.2U CN205539677U (en) | 2015-11-18 | 2015-11-18 | Novel two telecentric mirror heads |
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| CN205539677U true CN205539677U (en) | 2016-08-31 |
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| CN201520918566.2U Active CN205539677U (en) | 2015-11-18 | 2015-11-18 | Novel two telecentric mirror heads |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238915A (en) * | 2017-04-30 | 2017-10-10 | 西京学院 | One kind disappears veiling glare doubly telecentric optical lens |
| CN107991787A (en) * | 2017-12-31 | 2018-05-04 | 重庆镭典科技有限公司 | A kind of semiconductor laser alignment device |
| CN110989137A (en) * | 2019-12-20 | 2020-04-10 | 东莞市普密斯精密仪器有限公司 | Double-telecentric lens |
-
2015
- 2015-11-18 CN CN201520918566.2U patent/CN205539677U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238915A (en) * | 2017-04-30 | 2017-10-10 | 西京学院 | One kind disappears veiling glare doubly telecentric optical lens |
| CN107991787A (en) * | 2017-12-31 | 2018-05-04 | 重庆镭典科技有限公司 | A kind of semiconductor laser alignment device |
| CN110989137A (en) * | 2019-12-20 | 2020-04-10 | 东莞市普密斯精密仪器有限公司 | Double-telecentric lens |
| CN110989137B (en) * | 2019-12-20 | 2022-03-11 | 东莞市普密斯精密仪器有限公司 | Double-telecentric lens |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220531 Address after: 332020 No. 88, gonganzhong Avenue, Gongqing City, Jiujiang City, Jiangxi Province Patentee after: JIANGXI JINKU INTELLIGENT MANUFACTURING Co.,Ltd. Address before: 330400 Baota Industrial Park, De'an County, Jiujiang City, Jiangxi Province Patentee before: JIANGXI RUIPUDE MEASURE EQUIPMENT CO.,LTD. |