CN110231707A - A kind of telecentric lens structure - Google Patents
A kind of telecentric lens structure Download PDFInfo
- Publication number
- CN110231707A CN110231707A CN201910644724.2A CN201910644724A CN110231707A CN 110231707 A CN110231707 A CN 110231707A CN 201910644724 A CN201910644724 A CN 201910644724A CN 110231707 A CN110231707 A CN 110231707A
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- CN
- China
- Prior art keywords
- mould group
- eyeglass
- shell mould
- shell
- group
- Prior art date
- 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.)
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/22—Telecentric objectives or lens systems
Abstract
The invention discloses a kind of telecentric lens structures, including shell mould group one, shell mould group two and shell mould group three, one left end of shell mould group is equipped with eyeglass mould group one, one right end of shell mould group is clamped shell mould group two, two left end of shell mould group and one junction of shell mould group are equipped with eyeglass mould group two, eyeglass mould group three is installed in the middle part of shell mould group two, two right end of shell mould group is clamped shell mould group three, three left end of shell mould group is equipped with eyeglass mould group four, this telecentric lens structure, pass through MTF software board design, 3D verifying, the amendment of distortion value, the design of clarity, the simulation of visual field, in equal design parameter, especially reduce the overall length of outer diameter and product, the numerical value that distorts is small, clarity is high, profession is used for precision measurement equipment, improve the precision of equipment, it can effectively save cost.
Description
Technical field
The present invention relates to optical lens technology field, specifically a kind of telecentric lens structure.
Background technique
In the application of high-accuracy testing mobile phone display device, have to that high-precision industrial telecentric lens are installed, if far
The multiple of heart camera lens is not met, and precision is just not being met, and directly affects the measurement accuracy of a key measuring device, existing market
Upper only Japan MORITEX has the telecentric lens of such specifications parameter, because being in monopoly position, price is odd high, unit price
10,000 or so, if oneself is developed, unit price is probably 3 point 1 of foreign countries, can give a large amount of save the costs of equipment manufacturer.
Because only having Japan to have relevant product currently on the market, price is odd high, and delivery date is also grown, and the high-volume supply of material is not
Stablize.Current disadvantage is exactly development cost height, and manufacture craft difficulty is big.Therefore, those skilled in the art provide a kind of remote
Heart lens construction, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of telecentric lens structures, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of telecentric lens structure, including shell mould group one, shell mould group two and shell mould group three, the shell mould group one
Left end is equipped with eyeglass mould group one, and one right end of shell mould group is clamped shell mould group two, two left end of shell mould group and shell mould group one
Junction is equipped with eyeglass mould group two, and eyeglass mould group three is equipped in the middle part of shell mould group two, and two right end of shell mould group is clamped shell
Mould group three, three left end of shell mould group are equipped with eyeglass mould group four.
As a further solution of the present invention: described eyeglass mould group a side is with a thickness of 2.23mm, one center of eyeglass mould group
With a thickness of 10.55 ± 0.10mm, the diameter at one spherical surface of eyeglass mould group is 148.41mm, and the diameter of eyeglass mould group one is 98.00
±0.10mm。
As further scheme of the invention: the eyeglass mould group one, eyeglass mould group two, eyeglass mould group three and eyeglass mould
Group four is all made of the lower material of refractive index.
As further scheme of the invention: the shell mould group one, shell mould group two and shell mould group three are all made of
Material with high hardness, and shell mould group one, shell mould group two and shell mould group three are handled by delustring.
As further scheme of the invention: the axle center of the shell mould group one, shell mould group two and shell mould group three
Line is overlapped, and shell mould group one, shell mould group two and three junction of shell mould group are closed.
As further scheme of the invention: the eyeglass mould group one, eyeglass mould group two, eyeglass mould group three and eyeglass mould
Group four is arranged in parallel.
As further scheme of the invention: three inner wall light of the shell mould group one, shell mould group two and shell mould group
It is sliding.
As the present invention further scheme: the eyeglass front and rear sides in the eyeglass mould group two are spherical surface, and mirror
It is convex surface on the left of eyeglass in piece mould group two, is concave surface on the right side of the eyeglass in eyeglass mould group two.
As further scheme of the invention: being spherical surface on the left of the eyeglass in the eyeglass mould group four, and eyeglass mould group
It is concave surface on the left of eyeglass in four, and is plane on the right side of the eyeglass in eyeglass mould group four.
Compared with prior art, the beneficial effects of the present invention are:
This telecentric lens structure, by MTF software board design, 3D is verified, the amendment of distortion value, the design of clarity,
The simulation of visual field especially reduces the overall length of outer diameter and product in equal design parameter, and distort numerical value
Small, clarity is high, and profession is used for precision measurement equipment, improves the precision of equipment, can effectively save cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of telecentric lens structure.
In figure: 1- shell mould group one, 2- shell mould group two, 3- shell mould group three, 4- eyeglass mould group one, 5- eyeglass mould group
Two, 6- eyeglass mould group three, 7- eyeglass mould group four.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of telecentric lens structure, including shell mould group 1, shell mould group 22
With shell mould group 33, one 1 left end of shell mould group is equipped with eyeglass mould group 1, and one 1 right end of shell mould group is clamped shell mould
Group 22,22 left end of shell mould group and one 1 junction of shell mould group are equipped with eyeglass mould group 25, the 22 middle part installation of shell mould group
There is eyeglass mould group 36,22 right end of shell mould group is clamped shell mould group 33, and 33 left end of shell mould group is equipped with eyeglass mould group four
7。
With a thickness of 2.23mm, one 4 center thickness of eyeglass mould group is 10.55 ± 0.10mm, mirror for one 4 side of eyeglass mould group
Diameter at one 4 spherical surface of piece mould group is 148.41mm, and the diameter of eyeglass mould group 1 is 98.00 ± 0.10mm.
It is lower that the eyeglass mould group 1, eyeglass mould group 25, eyeglass mould group 36 and eyeglass mould group 47 are all made of refractive index
Material.
The shell mould group 1, shell mould group 22 and shell mould group 33 are all made of material with high hardness, and shell mould
Group 1, shell mould group 22 and shell mould group 33 are handled by delustring.
The axial line of the shell mould group 1, shell mould group 22 and shell mould group 33 is overlapped, and shell mould group 1, outer
Shell mold group 22 and 33 junction of shell mould group are closed.
The eyeglass mould group 1, eyeglass mould group 25, eyeglass mould group 36 and eyeglass mould group 47 are arranged in parallel.
33 inner wall smooth of the shell mould group 1, shell mould group 22 and shell mould group.
Eyeglass front and rear sides in the eyeglass mould group 25 are spherical surface, and are convex on the left of the eyeglass in eyeglass mould group 25
Face is concave surface on the right side of the eyeglass in eyeglass mould group 25.
It is spherical surface on the left of eyeglass in the eyeglass mould group 47, and is concave surface on the left of the eyeglass in eyeglass mould group 47, and
It is plane on the right side of eyeglass in eyeglass mould group 47.
The working principle of the invention is:
This telecentric lens structure, by MTF software board design, 3D is verified, the amendment of distortion value, the design of clarity,
The simulation of visual field especially reduces the overall length of outer diameter and product in equal design parameter, and distort numerical value
Small, clarity is high, and profession is used for precision measurement equipment, improves the precision of equipment, can effectively save cost.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of telecentric lens structure, including shell mould group one (1), shell mould group two (2) and shell mould group three (3), feature
It is, shell mould group one (1) left end is equipped with eyeglass mould group one (4), and shell mould group one (1) right end is clamped shell mould group two
(2), shell mould group two (2) left end and shell mould group one (1) junction are equipped with eyeglass mould group two (5), in shell mould group two (2)
Portion is equipped with eyeglass mould group three (6), and shell mould group two (2) right end is clamped shell mould group three (3), shell mould group three (3) left end peace
Equipped with eyeglass mould group four (7).
2. a kind of telecentric lens structure according to claim (1), which is characterized in that described one (4) side of eyeglass mould group
With a thickness of 2.23mm, one (4) center thickness of eyeglass mould group is 10.55 ± 0.10mm, and the diameter at one (4) spherical surface of eyeglass mould group is
148.41mm, the diameter of eyeglass mould group one (4) are 98.00 ± 0.10mm.
3. a kind of telecentric lens structure according to claim 1, which is characterized in that the eyeglass mould group one (4), eyeglass mould
Two (5) of group, eyeglass mould group three (6) and eyeglass mould group four (7) are all made of the lower material of refractive index.
4. a kind of telecentric lens structure according to claim 1, which is characterized in that the shell mould group one (1), shell mould
Two (2) of group and shell mould group three (3) are all made of material with high hardness, and shell mould group one (1), shell mould group two (2) and outside
Shell mold group three (3) is handled by delustring.
5. a kind of telecentric lens structure according to claim 1, which is characterized in that the shell mould group one (1), shell mould
The axial line of two (2) of group and shell mould group three (3) is overlapped, and shell mould group one (1), shell mould group two (2) and shell mould group three
(3) junction is close.
6. a kind of telecentric lens structure according to claim 1, which is characterized in that the eyeglass mould group one (4), eyeglass mould
Two (5) of group, eyeglass mould group three (6) and eyeglass mould group four (7) are arranged in parallel.
7. a kind of telecentric lens structure according to claim 1, which is characterized in that the shell mould group one (1), shell mould
Two (2) of group and shell mould group three (3) inner wall smooth.
8. a kind of telecentric lens structure according to claim 1, which is characterized in that the mirror in the eyeglass mould group two (5)
Piece front and rear sides are spherical surface, and are convex surface on the left of the eyeglass in eyeglass mould group two (5), and the eyeglass in eyeglass mould group two (5) is right
Side is concave surface.
9. a kind of telecentric lens structure according to claim 1, which is characterized in that the mirror in the eyeglass mould group four (7)
It is spherical surface on the left of piece, and is concave surface on the left of the eyeglass in eyeglass mould group four (7), and be on the right side of the eyeglass in eyeglass mould group four (7)
Plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644724.2A CN110231707A (en) | 2019-07-17 | 2019-07-17 | A kind of telecentric lens structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644724.2A CN110231707A (en) | 2019-07-17 | 2019-07-17 | A kind of telecentric lens structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110231707A true CN110231707A (en) | 2019-09-13 |
Family
ID=67855689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910644724.2A Pending CN110231707A (en) | 2019-07-17 | 2019-07-17 | A kind of telecentric lens structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110231707A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443452A (en) * | 2020-05-25 | 2020-07-24 | 深圳市沃特隆科技有限公司 | Hundred million pixel turning lens with precision improving function and use method thereof |
| CN111443451A (en) * | 2020-05-25 | 2020-07-24 | 深圳市沃特隆科技有限公司 | 360-degree shooting outer lens for camera external connection and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174012A (en) * | 2006-11-03 | 2008-05-07 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN106291884A (en) * | 2016-11-16 | 2017-01-04 | 南京信息职业技术学院 | A kind of high-definition digital projection objective |
| CN206348503U (en) * | 2017-01-07 | 2017-07-21 | 深圳市灿锐科技有限公司 | A kind of overlength working distance telecentric lens |
| CN107238915A (en) * | 2017-04-30 | 2017-10-10 | 西京学院 | One kind disappears veiling glare doubly telecentric optical lens |
-
2019
- 2019-07-17 CN CN201910644724.2A patent/CN110231707A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174012A (en) * | 2006-11-03 | 2008-05-07 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN106291884A (en) * | 2016-11-16 | 2017-01-04 | 南京信息职业技术学院 | A kind of high-definition digital projection objective |
| CN206348503U (en) * | 2017-01-07 | 2017-07-21 | 深圳市灿锐科技有限公司 | A kind of overlength working distance telecentric lens |
| CN107238915A (en) * | 2017-04-30 | 2017-10-10 | 西京学院 | One kind disappears veiling glare doubly telecentric optical lens |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443452A (en) * | 2020-05-25 | 2020-07-24 | 深圳市沃特隆科技有限公司 | Hundred million pixel turning lens with precision improving function and use method thereof |
| CN111443451A (en) * | 2020-05-25 | 2020-07-24 | 深圳市沃特隆科技有限公司 | 360-degree shooting outer lens for camera external connection and use method thereof |
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