CN108037590A - A kind of cross focus lens - Google Patents
A kind of cross focus lens Download PDFInfo
- Publication number
- CN108037590A CN108037590A CN201810040136.3A CN201810040136A CN108037590A CN 108037590 A CN108037590 A CN 108037590A CN 201810040136 A CN201810040136 A CN 201810040136A CN 108037590 A CN108037590 A CN 108037590A
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- Prior art keywords
- trough
- diagonal
- refractive power
- power area
- focus lens
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- 239000011159 matrix material Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims description 9
- 238000009499 grossing Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0911—Anamorphotic systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B17/00—Teaching reading
- G09B17/02—Line indicators or other guides or masks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Eyeglasses (AREA)
Abstract
The present invention provides a kind of cross focus lens, including a square lens matrix, the upper surface of the lens matrix is separated to form the first refractive power area and the second refractive power area along the first diagonal, and it is in the multiple primary peaks and the first trough of ripple glaze distribution that the first refractive power area, which is included from the first apex angle direction formed while to second with the first diagonal,；It is in multiple second troughs and secondary peak of ripple glaze distribution that the second refractive power area, which is included from the 4th apex angle direction formed while to the 3rd with the first diagonal,；The primary peak is identical with the second trough width and is symmetrically distributed in the first diagonal both sides, and first trough is of same size with secondary peak and is symmetrically distributed in the first diagonal both sides.The lens are mounted in the front end of laser pen, its light transmittance is higher, and the tracking cross light shape of generation is neat, there is no sawtooth, stain or edge damage.
Description
Technical field
The present invention relates to lens technologies field, more particularly to a kind of cross focus lens.
Background technology
With the gradual maturation of laser semiconductor technology, laser technology all the more extensive on civilian, such as laser pen,
PPT is demonstrated or other applications are upper, and laser pen has good application prospect.In the prior art, producing tracking cross often needs
To be realized by the camera lens or a device of multiple lens, structure is more complicated, since eyeglass is smaller in itself, in maintenance
Difficulty is larger, and cost is also higher, is unfavorable for the further genralrlization of tracking cross laser.Meanwhile the device of the prior art or
The light transmittance of camera lens is relatively low, and light shape is not neat enough, there is a situation where sawtooth, stain or edge damage, it is therefore necessary to research and develop it is a kind of into
This is low, safeguards easy and high light form quality amount technology.
The content of the invention
The present invention provides a kind of cross focus lens, overcomes the deficiencies in the prior art.
In order to solve the above-mentioned technical problem, the technical solution used in the present invention is：
A kind of cross focus lens, including a square lens matrix, the upper surface of the lens matrix are diagonal along first
Line is separated to form the first refractive power area and the second refractive power area, the first refractive power area include from first while to second it is diagonal with first
The apex angle direction that line is formed is in the multiple primary peaks and the first trough of ripple glaze distribution；The second refractive power area is included from the 4th
The apex angle direction formed while to the 3rd with the first diagonal is in multiple second troughs and secondary peak of ripple glaze distribution；It is described
Primary peak is identical with the second trough width and is symmetrically distributed in the first diagonal both sides, and first trough and secondary peak are wide
Spend identical and be symmetrically distributed in the first diagonal both sides.
Preferably, the width of the primary peak and the first trough are of same size, the width of the secondary peak and
Two troughs are of same size.
Preferably, the width of the primary peak, the first trough, secondary peak and the second trough is respectively 0.83mm.
Preferably, the height between the top of the primary peak and the bottom of the first trough is 0.115mm, described second
Height between the top of wave crest and the bottom of the second trough is similarly 0.115mm.
Further, the primary peak and the second trough curved surface at first diagonal are in smoothing junction, and described the
Two wave crests and the first trough curved surface at first diagonal are in smoothing junction.The smooth connection mode of curved surface causes in cross light
Cursor does not produce zigzag when mark is formed, more neat.
Preferably, the first refractive power area and the second refractive power area are integrally formed with the lens matrix respectively.
Preferably, the material of the lens matrix, the first refractive power area are identical with the material in the second refractive power area, the lens base
The material of body is glass or plastic cement.
Preferably, the thickness of the lens matrix is 1.1mm-1.5mm.
Preferably, four angles of the lens matrix are respectively arranged with chamfering.Chamfering is provided with beneficial to lens into one
Step installation.
Preferably, the length of side of the lens matrix is 5mm.
The present invention provides a kind of cross focus lens, including a square lens matrix, the upper surface of the lens matrix
The first refractive power area and the second refractive power area are separated to form along the first diagonal, the first refractive power area is included from first while to second
It is in the multiple primary peaks and the first trough of ripple glaze distribution with the apex angle direction that the first diagonal is formed；The second refractive power area
Including from the 4th multiple second troughs and the while to the 3rd with the apex angle direction that the first diagonal is formed in ripple glaze distribution
Two wave crests；The primary peak is identical with the second trough width and is symmetrically distributed in the first diagonal both sides, first trough
It is of same size with secondary peak and is symmetrically distributed in the first diagonal both sides.The lens are mounted in the front end of laser pen, its light transmittance
Higher, the tracking cross light shape of generation is neat, there is no sawtooth, stain or edge damage.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of cross focus lens of the present invention；
Fig. 2 is the schematic diagram of the tracking cross produced by cross focus lens of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, embodiments of the present invention are specifically illustrated, attached drawing is only for reference and explanation uses, and does not form pair
The limitation of scope of patent protection of the present invention.
As shown in Figure 1, a kind of cross focus lens, including a square lens matrix 1, the upper table of the lens matrix 1
Face is separated to form the first refractive power area 2 and the second refractive power area 3 along the first diagonal 4, and the first refractive power area 2 is included from the first side 11
The apex angle direction formed to the second side 12 and the first diagonal 4 is in 21 and first trough of multiple primary peaks of ripple glaze distribution
22；The second refractive power area 3 include from the 4th at 14 to the 3rd 13 and the apex angle direction of the first formation of diagonal 4 be in ripple glaze
Multiple second troughs 32 and secondary peak 31 of distribution；The primary peak 21 is of same size and symmetrical with the second trough 32
In 4 both sides of the first diagonal, first trough 22 is of same size with secondary peak 31 and is symmetrically distributed in 4 liang of the first diagonal
Side.The width of the primary peak 21 is of same size with the first trough 22, the width and the second trough of the secondary peak 31
32 are of same size.Specifically, the first refractive power area 2 by first while, second while and the first diagonal surround, from the first side 11 to
Two while 12 and first diagonal 4 formed apex angle direction, primary peak and the first trough length with diagonal and second while
Between narrowed width and taper into, the ripple glaze in the first refractive power area 2 at the first side as wave crest to start, to second
The gradual cyclically-varying of apex angle that 12 and first diagonal 4 of side is formed, the peak line of each primary peak are parallel with the first side.Together
Reason, the second matched refractive power area 3 have a similar structure, the ripple glaze in the second refractive power area 3 using at close 4th side as ripple
Paddy starts, the apex angle direction cyclically-varying formed to the 3rd side 13 and the first diagonal 4, the peak line of each secondary peak with
4th side is parallel.
In the present embodiment, the primary peak 21, the first trough 22, the width difference of 31 and second trough 32 of secondary peak
For 0.83mm.
In the present embodiment, the height between the bottom of the top of the primary peak 21 and the first trough 22 is 0.115mm,
Height between the top of the secondary peak 31 and the bottom of the second trough 32 is similarly 0.115mm.
As further improvement of this embodiment, 21 and second trough 32 of primary peak is in first diagonal 4
It is in smoothing junction to locate curved surface, 31 and first trough 22 of secondary peak curved surface at first diagonal 4 is in smoothing junction.Curved surface
Smooth connection mode make it that cursor does not produce zigzag when tracking cross is formed, more neat.
In the present embodiment, the 2 and second refractive power area 3 of the first refractive power area is integrally formed with the lens matrix 1 respectively.
The material of the lens matrix 1, the first refractive power area 2 are identical with the material in the second refractive power area 3, the lens matrix 1
Material be glass or plastic cement.
The thickness of the lens matrix 1 is 1.1mm-1.5mm, specifically, the present embodiment selection 1.1mm.
In the present embodiment, four angles of the lens matrix 1 are respectively arranged with chamfering 15.Chamfering is provided with beneficial to lens
Further installation.Wherein three chamferings are arcuation chamfering.
In the present embodiment, the length of side of the lens matrix 1 is 5mm.
With reference to present embodiment, those skilled in the art can also be on a circular base or the surface of other geometries
The square-lens matrix of the present embodiment is set to produce tracking cross.
Above disclosed is only presently preferred embodiments of the present invention, it is impossible to the rights protection model of the present invention is limited with this
Enclose, therefore the equivalent variations made according to scope of the present invention patent, it is still within the scope of the present invention.
Claims (10)
1. a kind of cross focus lens, including a square lens matrix, it is characterised in that：The upper surface edge of the lens matrix
First diagonal is separated to form the first refractive power area and the second refractive power area, the first refractive power area include from first while to second with
The apex angle direction that first diagonal is formed is in the multiple primary peaks and the first trough of ripple glaze distribution；The second refractive power area bag
It is in multiple second troughs and second of ripple glaze distribution to include from the 4th apex angle direction formed while to the 3rd with the first diagonal
Wave crest；The primary peak is identical with the second trough width and is symmetrically distributed in the first diagonal both sides, first trough with
Secondary peak is of same size and is symmetrically distributed in the first diagonal both sides.
A kind of 2. cross focus lens according to claim 1, it is characterised in that：The width of the primary peak and first
Trough is of same size, and the width of the secondary peak is of same size with the second trough.
A kind of 3. cross focus lens according to claim 2, it is characterised in that：The primary peak, the first trough,
The width of two wave crests and the second trough is respectively 0.83mm.
A kind of 4. cross focus lens according to claim 1 or 3, it is characterised in that：The top of the primary peak with
Height between the bottom of first trough is 0.115mm, the height between the top of the secondary peak and the bottom of the second trough
Degree is similarly 0.115mm.
A kind of 5. cross focus lens according to claim 1, it is characterised in that：The primary peak and the second trough exist
Curved surface is in smoothing junction at first diagonal, and the curved surface at first diagonal is smooth with the first trough for the secondary peak
Connection.
A kind of 6. cross focus lens according to claim 1, it is characterised in that：The first refractive power area and the second refractive power
Area is integrally formed with the lens matrix respectively.
A kind of 7. cross focus lens according to claim 1 or 6, it is characterised in that：The material of the lens matrix,
One refractive power area is identical with the material in the second refractive power area, and the material of the lens matrix is glass or plastic cement.
A kind of 8. cross focus lens according to claim 1, it is characterised in that：The thickness of the lens matrix is
1.1mm-1.5mm。
A kind of 9. cross focus lens according to claim 1, it is characterised in that：Four angles difference of the lens matrix
It is provided with chamfering.
A kind of 10. cross focus lens according to claim 1, it is characterised in that：The length of side of the lens matrix is
5mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040136.3A CN108037590A (en) | 2018-01-16 | 2018-01-16 | A kind of cross focus lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040136.3A CN108037590A (en) | 2018-01-16 | 2018-01-16 | A kind of cross focus lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108037590A true CN108037590A (en) | 2018-05-15 |
Family
ID=62096865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810040136.3A Pending CN108037590A (en) | 2018-01-16 | 2018-01-16 | A kind of cross focus lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108037590A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060056185A1 (en) * | 2004-09-16 | 2006-03-16 | Takeshi Morino | Fresnel lens and lighting apparatus provided with the fresnel lens |
| CN201004236Y (en) * | 2006-09-15 | 2008-01-09 | 福建新大陆自动识别技术有限公司 | A focusing structure for bar code reading device |
| US20100230577A1 (en) * | 2009-03-10 | 2010-09-16 | Teledyne Scientific and Imaging, LLC | Optical angle of arrival measurement system and method |
| CN106407862A (en) * | 2016-08-31 | 2017-02-15 | 福建新大陆自动识别技术有限公司 | Bar code identifying and reading engine aiming structure |
| CN206339990U (en) * | 2016-08-31 | 2017-07-18 | 福建新大陆自动识别技术有限公司 | A kind of bar code reading engine laser cross sight device |
| CN107160397A (en) * | 2017-06-09 | 2017-09-15 | 杭州亚美利嘉科技有限公司 | Module terrestrial reference, terrestrial reference and its robot of robot ambulation |
| CN207882575U (en) * | 2018-01-16 | 2018-09-18 | 东莞市旭瑞光电科技有限公司 | A kind of cross focus lens |
-
2018
- 2018-01-16 CN CN201810040136.3A patent/CN108037590A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060056185A1 (en) * | 2004-09-16 | 2006-03-16 | Takeshi Morino | Fresnel lens and lighting apparatus provided with the fresnel lens |
| CN201004236Y (en) * | 2006-09-15 | 2008-01-09 | 福建新大陆自动识别技术有限公司 | A focusing structure for bar code reading device |
| US20100230577A1 (en) * | 2009-03-10 | 2010-09-16 | Teledyne Scientific and Imaging, LLC | Optical angle of arrival measurement system and method |
| CN106407862A (en) * | 2016-08-31 | 2017-02-15 | 福建新大陆自动识别技术有限公司 | Bar code identifying and reading engine aiming structure |
| CN206339990U (en) * | 2016-08-31 | 2017-07-18 | 福建新大陆自动识别技术有限公司 | A kind of bar code reading engine laser cross sight device |
| CN107160397A (en) * | 2017-06-09 | 2017-09-15 | 杭州亚美利嘉科技有限公司 | Module terrestrial reference, terrestrial reference and its robot of robot ambulation |
| CN207882575U (en) * | 2018-01-16 | 2018-09-18 | 东莞市旭瑞光电科技有限公司 | A kind of cross focus lens |
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