CN207488601U - A kind of 8mm industrial lens - Google Patents
A kind of 8mm industrial lens Download PDFInfo
- Publication number
- CN207488601U CN207488601U CN201721693904.2U CN201721693904U CN207488601U CN 207488601 U CN207488601 U CN 207488601U CN 201721693904 U CN201721693904 U CN 201721693904U CN 207488601 U CN207488601 U CN 207488601U
- Authority
- CN
- China
- Prior art keywords
- lens
- lenses
- diverging meniscus
- group
- meniscus lenses
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lenses (AREA)
Abstract
The utility model discloses a kind of 8mm industrial lens, Lens assembly, which is organized, including being set to the preceding group of Lens assembly, diaphragm module, the rear group of lenses part that are set gradually in lens construction along light incident direction, before described includes the A1 positive meniscus lens, A2 diverging meniscus lenses, A3 biconcave lens, A4 planoconvex spotlights, the A5 planoconvex spotlights that are sequentially placed along light incident direction；The rear group of lenses part includes the B1 diverging meniscus lenses, B2 biconvex lens, B3 diverging meniscus lenses, the B4 biconvex lens that are sequentially placed along light incident direction, and the B2 biconvex lens is mutually glued integral with B3 diverging meniscus lenses.For the utility model when object distance changes, group camera lens obtains clearer imaging to the distance of image planes after adjustable whole group eyeglass is moved left and right or adjusted；Therefore utility model works distance is wide, and pixel is better than 5,000,000, and F-number is adjustable in the range of F2.4~F16, and it is compact-sized, easy to assembly, cost is relatively low.
Description
Technical field
The utility model is related to machine visual lens technology, industrial picture process field more particularly to a kind of 8mm industry
Camera lens.
Background technology
With the development of science and technology, the industrial revolution has no longer rested on simple industrialization development level, machine
Vision can replace traditional artificial detection method, greatly increase the efficiency and effect of industry manufacture, so as to greatly carry
The product quality in high market, important component of the industrial lens as machine vision directly affect the overall performance of system.Often
The industrial lens volume of rule is larger, and price is also high, is only suitable for certain operating distance, and visual field periphery is likely to occur distortion, imaging
It is of poor quality, it can not meet in production instantly to industrial lens imaging clearly, distortion and small requirement.
Utility model content
A kind of precision that solves is provided the purpose of the utility model is to overcome above-mentioned shortcoming of the prior art to examine
Survey demand is obtained with low deforming high precision, simple in structure, practical 8mm industrial lens.
The utility model is realized in the following way：
A kind of 8mm industrial lens, it is characterised in that：It is set gradually including being set in lens construction along light incident direction
Preceding group of Lens assembly, diaphragm module, rear group of lenses part, it is described before group Lens assembly include put successively along light incident direction
A1 positive meniscus lens, A2 diverging meniscus lenses, A3 biconcave lens, A4 planoconvex spotlights, the A5 planoconvex spotlights put；The rear group of lenses
Part includes the B1 diverging meniscus lenses being sequentially placed along light incident direction, B2 biconvex lens, B3 diverging meniscus lenses, B4 lenticulars
Mirror, the B2 biconvex lens are mutually glued integral with B3 diverging meniscus lenses.
Further, in the preceding group Lens assembly, the airspace between A1 positive meniscus lens and A2 diverging meniscus lenses
For 0.1 ± 0.03mm；Airspace between A2 diverging meniscus lenses and A3 biconcave lens is 3.7 ± 0.03mm；A3 biconcave lens
Airspace between A4 planoconvex spotlights is 1.3 ± 0.03mm；Airspace between A4 planoconvex spotlights and A5 planoconvex spotlights
For 3.3 ± 0.03mm.
Further, in the rear group of lenses part, B1 diverging meniscus lenses and B2 biconvex lens and B3 diverging meniscus lenses
Airspace between veneer is 0.2 ± 0.03mm；B2 biconvex lens and the veneer of B3 diverging meniscus lenses and B4 lenticulars
Airspace between mirror is 0.6 ± 0.03mm.
Further, the clear aperature of the diaphragm module is adjustable, and clear aperature tune meets ranging from 0.6~8mm.
Further, the distance of B4 biconvex lens rear end surface to the imaging surface is adjustable, and adjustable range 10.2~
13.9mm, the airspace between the B1 diverging meniscus lenses and A5 planoconvex spotlights is adjustable, 7.12~7.82mm of adjustable range.
Further, the lens construction is included for installing the preceding group lens barrel of preceding group of Lens assembly, for group after installation
The rear group lens barrel of Lens assembly is organized Lens assembly and is set in preceding group lens barrel by preceding trim ring pressure before described, the rear group of lenses
Part is set on rear group lens barrel by rear trim ring pressure；It is equipped with the first spacer ring, the second spacer ring, the in the preceding group lens barrel successively from left to right
Three spacer rings, first spacer ring between A1 positive meniscus lens and A2 diverging meniscus lenses, second spacer ring be located at A2 bear it is curved
Between month lens and A3 biconcave lens, the third spacer ring is between A4 planoconvex spotlights and A5 planoconvex spotlights；Group mirror after described
The 4th spacer ring is equipped in cylinder, the 4th spacer ring is between B3 diverging meniscus lenses and B4 biconvex lens.
The beneficial effects of the utility model are：During corresponding 2/3 " CCD, pixel value is better than 5,000,000, whole group eyeglass during focusing
Mobile simultaneously, eyeglass relative position does not change, and aperture is adjustable in the range of F2.4~F16, and lens construction is simple, is easy to
Dismounting, cost are relatively low.
Description of the drawings
Fig. 1 the utility model structure diagrams.
Specific embodiment
Below by specific embodiment, and with reference to attached drawing, the technical solution of the utility model is made further specifically
It is bright.It should be appreciated that the embodiment of the utility model is not limited to the following examples, the utility model is done any
Formal accommodation and/or change falls within scope of protection of the utility model.
Embodiment：
A kind of 8mm industrial lens, as shown in Figure 1, being set gradually including being set in lens construction along light incident direction
Preceding group of Lens assembly, diaphragm module 20, rear group of lenses part, preceding group of Lens assembly include being sequentially placed along light incident direction
A1 positive meniscus lens 24, A2 diverging meniscus lenses 25, A3 biconcave lens 26, A4 planoconvex spotlights 27, A5 planoconvex spotlights 28；After organize mirror
Piece component include the B1 diverging meniscus lenses 29 being sequentially placed along light incident direction, B2 biconvex lens 30, B3 diverging meniscus lenses 31,
B4 biconvex lens 32,31 phase of B2 biconvex lens 30 and B3 diverging meniscus lenses are glued integral.
In the present embodiment, in preceding group of Lens assembly, between the air between A1 positive meniscus lens 24 and A2 diverging meniscus lenses 25
It is divided into 0.1 ± 0.03mm；Airspace between A2 diverging meniscus lenses 25 and A3 biconcave lens 26 is 3.7 ± 0.03mm；A3 is bis-
Airspace between concavees lens 26 and A4 planoconvex spotlights 27 is 1.3 ± 0.03mm；A4 planoconvex spotlights 27 and A5 planoconvex spotlights 28
Between airspace be 3.3 ± 0.03mm.
In the present embodiment, in rear group of lenses part, B1 diverging meniscus lenses 29 and B2 biconvex lens 30 and B3 diverging meniscus lenses
Airspace between 31 veneer is 0.2 ± 0.03mm；The veneer of B2 biconvex lens 30 and B3 diverging meniscus lenses 31 with
Airspace between B4 biconvex lens 32 is 0.6 ± 0.03mm.
In the present embodiment, the clear aperature of diaphragm module 20 is adjustable, and clear aperature tune meets ranging from 0.6~8mm.
In the present embodiment, the distance of B4 biconvex lens 32 rear end surface to imaging surface is adjustable, and adjustable range 10.2~
Airspace between 13.9mm, B1 diverging meniscus lens 29 and A5 planoconvex spotlights 28 is adjustable, 7.12~7.82mm of adjustable range.
In the present embodiment, lens construction is included for installing the preceding group lens barrel 2 of preceding group of Lens assembly, for organizing mirror after installation
The rear group lens barrel 9 of piece component, preceding group of Lens assembly are set on by preceding trim ring 3 pressure in preceding group lens barrel 2, and rear group of lenses part passes through rear
The pressure of trim ring 10 is set on rear group lens barrel 9；It is equipped with the first spacer ring 4, the second spacer ring 5, third spacer ring in preceding group lens barrel 2 successively from left to right
6, for the first spacer ring 4 between A1 positive meniscus lens 24 and A2 diverging meniscus lenses 25, the second spacer ring 5 is located at A2 diverging meniscus lenses 25
Between A3 biconcave lens 26, third spacer ring 6 is between A4 planoconvex spotlights 27 and A5 planoconvex spotlights 28；It is set in rear group lens barrel 9
There is the 4th spacer ring 8, the 4th spacer ring 8 is between B3 diverging meniscus lenses 31 and B4 biconvex lens 32.
In the present embodiment, each lens radius of curvature R1, R2, light refractive index N, Abbe number Vd, center thickness D difference
It is：
A1 positive meniscus lens 24：R1=26.76mm, R2=197.41mm, N=1.7, Vd=55.54, D=3.22mm；
A2 diverging meniscus lenses 25：R1=17.59mm, R2=7.22mm, N=1.84, Vd=42.85, D=1mm；
A3 biconcave lens 26：R1=-26.46mm, R2=12.23mm, N=1.85, Vd=23.65, D=0.8mm；
A4 planoconvex spotlights 27：R1=infinity, R2=-21.42mm, N=1.85, Vd=23.69mm, D=5mm；
A5 planoconvex spotlights 28：R1=15.89mm, R2=10.89mm, N=1.83, Vd=13.52, D=2.12mm；
B1 diverging meniscus lenses 29：R1=75.69mm, R2=10.89, N=1.84, Vd=37.26, D=0.8mm；
B2 biconvex lens 30：R1=14.85mm, R2=-5.5mm, N=1.60, Vd=57.55, D=3.32mm；
B3 diverging meniscus lenses 31：R1=-5.5, R2=19.21mm, N=1.85, Vd=23, D=0.8mm；
B4 biconvex lens 32：R1=36.5, R2=-36.5, N=1.85, Vd=42.56, D=1.97mm.
In the present embodiment, which has reached following index：(1) focal length：F '=8mm；(2) relative aperture：D/
F '=1/2.4；(3) resolution ratio：Better than 5,000,000 pixels；(4) field angle：2 ω=69 °；(5) total length of light path≤48.5mm；(6)
It is applicable in spectral line range 400nm~700nm (7) MTF@120lp/mm>0.3.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of 8mm industrial lens, it is characterised in that：Including being set to what is set gradually in lens construction along light incident direction
Preceding group of Lens assembly, diaphragm module (20), rear group of lenses part are organized Lens assembly before described and are included along light incident direction successively
The A1 positive meniscus lens (24) of placement, A2 diverging meniscus lenses (25), A3 biconcave lens (26), A4 planoconvex spotlights (27), A5 plano-convexs
Lens (28)；The rear group of lenses part includes the B1 diverging meniscus lenses (29) being sequentially placed along light incident direction, B2 biconvexs
Lens (30), B3 diverging meniscus lenses (31), B4 biconvex lens (32), the B2 biconvex lens (30) and B3 diverging meniscus lenses (31)
It is mutually glued integral.
2. a kind of 8mm industrial lens according to claim 1, it is characterised in that：Before described in group Lens assembly, A1 is just curved
Airspace between moon lens (24) and A2 diverging meniscus lenses (25) is 0.1 ± 0.03mm；A2 diverging meniscus lenses (25) and A3
Airspace between biconcave lens (26) is 3.7 ± 0.03mm；Between A3 biconcave lens (26) and A4 planoconvex spotlights (27)
Airspace is 1.3 ± 0.03mm；Airspace between A4 planoconvex spotlights (27) and A5 planoconvex spotlights (28) for 3.3 ±
0.03mm。
3. a kind of 8mm industrial lens according to claim 1, it is characterised in that：In the rear group of lenses part, B1 bears curved
Airspace between month lens (29) and the veneer of B2 biconvex lens (30) and B3 diverging meniscus lenses (31) is 0.2 ±
0.03mm；Airspace between B2 biconvex lens (30) and the veneer of B3 diverging meniscus lenses (31) and B4 biconvex lens (32)
For 0.6 ± 0.03mm.
4. a kind of 8mm industrial lens according to claim 1, it is characterised in that：The light hole of the diaphragm module (20)
Diameter is adjustable, and clear aperature tune meets ranging from 0.6~8mm.
5. a kind of 8mm industrial lens according to claim 1, it is characterised in that：B4 biconvex lens (32) rear end is bent
The distance of face to imaging surface is adjustable, 10.2~13.9mm of adjustable range, the B1 diverging meniscus lenses (29) and A5 planoconvex spotlights
(28) airspace between is adjustable, 7.12~7.82mm of adjustable range.
6. a kind of 8mm industrial lens according to claim 1, it is characterised in that：The lens construction includes installing
The preceding group lens barrel (2) of preceding group of Lens assembly, for installing the rear group lens barrel of rear group of lenses part (9), it is described before group Lens assembly
It is set in preceding group lens barrel (2) by preceding trim ring (3) pressure, the rear group of lenses part is set on rear group lens barrel by rear trim ring (10) pressure
(9)；It is equipped with the first spacer ring (4), the second spacer ring (5), third spacer ring (6) in the preceding group lens barrel (2) successively from left to right, it is described
First spacer ring (4) between A1 positive meniscus lens (24) and A2 diverging meniscus lenses (25), positioned at A2 bear by second spacer ring (5)
Between meniscus lens (25) and A3 biconcave lens (26), the third spacer ring (6) is saturating positioned at A4 planoconvex spotlights (27) and A5 plano-convexs
Between mirror (28)；The 4th spacer ring (8) is equipped in the rear group lens barrel (9), the 4th spacer ring (8) is positioned at B3 diverging meniscus lenses
(31) between B4 biconvex lens (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693904.2U CN207488601U (en) | 2017-12-08 | 2017-12-08 | A kind of 8mm industrial lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693904.2U CN207488601U (en) | 2017-12-08 | 2017-12-08 | A kind of 8mm industrial lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207488601U true CN207488601U (en) | 2018-06-12 |
Family
ID=62457862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721693904.2U Expired - Fee Related CN207488601U (en) | 2017-12-08 | 2017-12-08 | A kind of 8mm industrial lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207488601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
| CN109814225A (en) * | 2019-01-28 | 2019-05-28 | 东莞敏威光电科技有限公司 | Industrial detection conoscope and its imaging detection method |
-
2017
- 2017-12-08 CN CN201721693904.2U patent/CN207488601U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
| CN109283651B (en) * | 2018-12-12 | 2021-12-14 | 广东奥普特科技股份有限公司 | Small-size high-resolution machine vision lens structure |
| CN109814225A (en) * | 2019-01-28 | 2019-05-28 | 东莞敏威光电科技有限公司 | Industrial detection conoscope and its imaging detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110646919B (en) | Fisheye lens | |
| CN108663783B (en) | Large-aperture low-cost panoramic fisheye lens | |
| CN103913818B (en) | The low distortion micro pick-up lens of Large visual angle | |
| CN207488601U (en) | A kind of 8mm industrial lens | |
| CN106772930B (en) | High-pixel ultrathin mobile phone lens | |
| CN211293430U (en) | Optical imaging lens | |
| CN106569318B (en) | Optical imaging lens | |
| CN210626769U (en) | Optical imaging lens | |
| CN209765145U (en) | optical imaging lens | |
| CN110333591A (en) | A kind of 0.95mm vehicle-mounted high-definition looks around optical system and its imaging method | |
| CN214151202U (en) | Optical imaging lens matched with liquid lens | |
| CN211375167U (en) | Large-light-transmission high-resolution optical imaging lens | |
| CN210155396U (en) | Optical imaging lens | |
| CN212433493U (en) | Optical imaging lens matched with liquid lens | |
| CN212229309U (en) | Optical imaging lens used for matching with liquid lens | |
| CN204496091U (en) | The economic money micro-lens of high resolution day and night | |
| CN211826695U (en) | High-resolution zoom lens | |
| CN110531489B (en) | Unmanned aerial vehicle camera lens of little distortion of big target surface | |
| CN211402905U (en) | Wide-angle optical imaging lens | |
| CN211603694U (en) | Optical imaging lens of wide angle high definition | |
| CN209765154U (en) | Zoom lens | |
| CN211293431U (en) | Wide-angle optical imaging lens | |
| CN203825276U (en) | Large-viewing-field low-distortion micro camera lens | |
| CN210348045U (en) | Unmanned aerial vehicle camera lens of little distortion of big target surface | |
| CN104090349B (en) | High resolution day and night CS interface tight shot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20201208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |