CN219871933U - Machine vision lens with focal length of 16mm and large target surface and high resolution - Google Patents
Machine vision lens with focal length of 16mm and large target surface and high resolution Download PDFInfo
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- CN219871933U CN219871933U CN202321140853.6U CN202321140853U CN219871933U CN 219871933 U CN219871933 U CN 219871933U CN 202321140853 U CN202321140853 U CN 202321140853U CN 219871933 U CN219871933 U CN 219871933U
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- 238000003384 imaging method Methods 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000012634 optical imaging Methods 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a high-resolution machine vision lens with a focal length of 16mm and a large target surface, which comprises a first lens, wherein a second lens is arranged on the right side of the first lens, a third lens is arranged on the right side of the second lens, a fourth lens is arranged on the right side of the third lens, a fifth lens is arranged on the right side of the fourth lens, a sixth lens is arranged on the right side of the fifth lens, a diaphragm is arranged on the right side of the sixth lens, a seventh lens is arranged on the right side of the diaphragm, an eighth lens is arranged on the right side of the seventh lens, a ninth lens is arranged on the right side of the eighth lens, a tenth lens is arranged on the right side of the tenth lens, an eleventh lens is arranged on the right side of the eleventh lens, and an imaging surface is arranged on the right side of the twelfth lens; the intermediate distance d between the movable lens group and the fixed lens group is 0.5mm-3.2mm. The utility model has the advantages of novel design, simple structure, clear imaging quality and high resolution.
Description
Technical Field
The utility model relates to the technical field of lenses, in particular to a machine vision lens with a focal length of 16mm and a large target surface and high resolution.
Background
Today, industrial automation is rapidly developed, and in order to meet the requirements of automatic equipment on judging accuracy, measuring accuracy and machine vision system technology in automatic production, detection and measurement, the industrial lens is required to have higher imaging performance and higher resolution. On the market, most lenses have lower resolution and insufficient definition, and the target surface of the adaptive camera chip is below 2/3", so that the requirements of clearer imaging quality and higher resolution in a machine vision system cannot be met.
Disclosure of Invention
The utility model aims to provide a machine vision lens with a focal length of 16mm, a large target surface and high resolution, aiming at the defects of the prior art, and the machine vision lens with the focal length of 16mm, the large target surface and the high resolution has the advantages of novel design, simple structure, clear imaging quality and high resolution.
In order to achieve the above object, the present utility model is achieved by the following technical scheme.
The high-resolution machine vision lens with the large focal length of 16mm comprises a first lens, wherein a second lens is arranged on the right side of the first lens, a third lens is arranged on the right side of the second lens, a fourth lens is arranged on the right side of the third lens, a fifth lens is arranged on the right side of the fourth lens, a sixth lens is arranged on the right side of the fifth lens, a diaphragm is arranged on the right side of the sixth lens, a seventh lens is arranged on the right side of the diaphragm, an eighth lens is arranged on the right side of the seventh lens, a ninth lens is arranged on the right side of the eighth lens, a tenth lens is arranged on the right side of the ninth lens, an eleventh lens is arranged on the right side of the eleventh lens, a twelfth lens is arranged on the right side of the twelfth lens, and an imaging surface is arranged on the right side of the twelfth lens;
the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the diaphragm, the seventh lens, the eighth lens and the ninth lens form a movable lens group, the tenth lens, the eleventh lens and the twelfth lens form a fixed lens group, and the middle distance d between the movable lens group and the fixed lens group is 0.5mm-3.2mm.
Wherein, the focal length of the first lens is fg1, the focal length f of the lens, and the optical system satisfies the relation: 2.5< |fg1/f| <3.2.
Wherein refractive indexes of the first lens to the twelfth lens are n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11 and n12 in sequence, abbe numbers of the first lens (1) to the twelfth lens (13) are v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11 and v12 in sequence, and the following relational expression is satisfied: 1.8< n1<2.0;17.8< v1<22.6;1.4< n2<1.6;78.6< v2<82.2;1.8< n3<2.0;16.8< v3<20.6;1.5< n4<1.7;32.8< v4<40.2;1.9< n5<2.1;21.3< v5<28.6;1.7< n6<1.9;41.3< v6<49.6;1.5< n7<1.7;58.8< v7<67.8;1.7< n8<1.9;19.6< v8<28.5;1.8< n9<2.0;16.3< v9<26.7;1.7< n10<1.9;19.2< v10<27.9;1.7< n11<1.9;31.3< v11<42.6;1.5< n12<1.7;31.6< v12<41.2.
The beneficial effects of the utility model are as follows: the utility model relates to a high-resolution machine vision lens with a focal length of 16mm and a large target surface, which comprises a first lens, wherein a second lens is arranged on the right side of the first lens, a third lens is arranged on the right side of the second lens, a fourth lens is arranged on the right side of the third lens, a fifth lens is arranged on the right side of the fourth lens, a sixth lens is arranged on the right side of the fifth lens, a diaphragm is arranged on the right side of the sixth lens, a seventh lens is arranged on the right side of the diaphragm, an eighth lens is arranged on the right side of the seventh lens, a ninth lens is arranged on the right side of the eighth lens, a tenth lens is arranged on the right side of the tenth lens, a twelfth lens is arranged on the right side of the eleventh lens, and an imaging surface is arranged on the right side of the twelfth lens; the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the diaphragm, the seventh lens, the eighth lens and the ninth lens form a movable lens group, the tenth lens, the eleventh lens and the twelfth lens form a fixed lens group, and the middle distance d between the movable lens group and the fixed lens group is 0.5mm-3.2mm. The fixed lens group is fixed, the movable lens group is driven by the lens mechanical structure to reciprocate along the optical axis, the center distance d1 between the fixed lens group and the movable lens group is changed in a floating way between 0.5mm and 3.2mm, the rest distance is unchanged from the optical back focal length, the lens can realize the change of the object distance from 0.1m to infinity, the lens has clear imaging quality, the resolution is high, and the resolution can reach 1000 ten thousand pixels; therefore, the utility model has the advantages of novel design, simple structure, clear imaging quality and high resolution.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 1 includes:
a-moving lens group B-fixed lens group
1-first lens 2-second lens
3-third lens 4-fourth lens
5-fifth lens 6-sixth lens
7-diaphragm 8-seventh lens
9-eighth lens 10-ninth lens
11-tenth lens 12-eleventh lens
13-twentieth lens 14-imaging plane.
Detailed Description
The utility model will be described with reference to specific embodiments.
As shown in fig. 1, a high-resolution machine vision lens with a focal length of 16mm and a large target surface comprises a first lens 1, a second lens 2 is arranged on the right side of the first lens 1, a third lens 3 is arranged on the right side of the second lens 2, a fourth lens 4 is arranged on the right side of the third lens 3, a fifth lens 5 is arranged on the right side of the fourth lens 4, a sixth lens 6 is arranged on the right side of the fifth lens 5, a diaphragm 7 is arranged on the right side of the sixth lens 6, a seventh lens 8 is arranged on the right side of the diaphragm 7, an eighth lens 9 is arranged on the right side of the seventh lens 8, a ninth lens 10 is arranged on the right side of the eighth lens 9, a tenth lens 11 is arranged on the right side of the tenth lens 11, an eleventh lens 12 is arranged on the right side of the eleventh lens 12, a twelfth lens 13 is arranged on the right side of the twelfth lens 13, and an imaging surface 14 is arranged on the right side of the twelfth lens 13;
the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 5, the sixth lens 6, the diaphragm 7, the seventh lens 8, the eighth lens 9 and the ninth lens 10 form a moving lens group A, the tenth lens 11, the eleventh lens 12 and the twelfth lens 13 form a fixed lens group B, and the intermediate distance d between the moving lens group A and the fixed lens group B is 0.5mm-3.2mm.
As a preferred embodiment, the focal length of the first lens 1 is fg1, the focal length f of the lens, and the optical system satisfies the relationship: 2.5< |fg1/f| <3.2.
As a preferred embodiment, the refractive indexes of the first lens 1 to the twelfth lens 13 are n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11, n12 in order, and the abbe numbers of the first lens 1 to the twelfth lens 13 are v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12 in order, satisfying the following relational expression: 1.8< n1<2.0;17.8< v1<22.6;1.4< n2<1.6;78.6< v2<82.2;1.8< n3<2.0;16.8< v3<20.6;1.5< n4<1.7;32.8< v4<40.2;1.9< n5<2.1;21.3< v5<28.6;1.7< n6<1.9;41.3< v6<49.6;1.5< n7<1.7;58.8< v7<67.8;1.7< n8<1.9;19.6< v8<28.5;1.8< n9<2.0;16.3< v9<26.7;1.7< n10<1.9;19.2< v10<27.9;1.7< n11<1.9;31.3< v11<42.6;1.5< n12<1.7;31.6< v12<41.2.
To explain further, the fixed lens group of the utility model is fixed, the movable lens group is driven by the lens mechanical structure to reciprocate along the optical axis, the center distance d1 between the fixed lens group and the movable lens group is changed in a floating way between 0.5mm and 3.2mm, the rest distance is unchanged with the optical back focal length, the lens can realize the change of the object distance from 0.1m to infinity, and the lens has clear imaging quality, high resolution and up to 1000 ten thousand pixels; therefore, the utility model has the advantages of novel design, simple structure, clear imaging quality and high resolution.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (3)
1. The utility model provides a large target surface high resolution's of focal length 16mm machine vision camera lens which characterized in that: the optical imaging device comprises a first lens (1), wherein a second lens (2) is arranged on the right side of the first lens (1), a third lens (3) is arranged on the right side of the second lens (2), a fourth lens (4) is arranged on the right side of the third lens (3), a fifth lens (5) is arranged on the right side of the fourth lens (4), a sixth lens (6) is arranged on the right side of the fifth lens (5), a diaphragm (7) is arranged on the right side of the sixth lens (6), a seventh lens (8) is arranged on the right side of the diaphragm (7), an eighth lens (9) is arranged on the right side of the seventh lens (8), a ninth lens (10) is arranged on the right side of the eighth lens (9), a tenth lens (11) is arranged on the right side of the ninth lens (10), an eleventh lens (12) is arranged on the right side of the eleventh lens (12), and an imaging surface (14) is arranged on the right side of the twelfth lens (13);
the lens comprises a first lens (1), a second lens (2), a third lens (3), a fourth lens (4), a fifth lens (5), a sixth lens (6), a diaphragm (7), a seventh lens (8), an eighth lens (9) and a ninth lens (10) which form a movable lens group (A), a tenth lens (11), an eleventh lens (12) and a twelfth lens (13) which form a fixed lens group (B), and the intermediate distance d between the movable lens group (A) and the fixed lens group (B) is 0.5mm-3.2mm.
2. The high-resolution machine vision lens with a focal length of 16mm and a large target surface according to claim 1, wherein the high-resolution machine vision lens is characterized in that: the focal length of the first lens (1) is fg1, the focal length f of the lens is f, and the optical system meets the relation: 2.5< |fg1/f| <3.2.
3. The high-resolution machine vision lens with a focal length of 16mm and a large target surface according to claim 1, wherein the high-resolution machine vision lens is characterized in that: the refractive indexes of the first lens (1) to the twelfth lens (13) are n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11 and n12 in sequence, and the Abbe numbers of the first lens (1) to the twelfth lens (13) are v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11 and v12 in sequence, which satisfy the following relational expression: 1.8< n1<2.0;17.8< v1<22.6;
1.4<n2<1.6；78.6<v2<82.2；1.8<n3<2.0；16.8<v3<20.6；1.5<n4<1.7；
32.8<v4<40.2；1.9<n5<2.1；21.3<v5<28.6；1.7<n6<1.9；41.3<v6<49.6；
1.5<n7<1.7；58.8<v7<67.8；1.7<n8<1.9；19.6<v8<28.5；1.8<n9<2.0；
16.3<v9<26.7；1.7<n10<1.9；19.2<v10<27.9；1.7<n11<1.9；31.3<v11<42.6；
1.5<n12<1.7；31.6<v12<41.2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321140853.6U CN219871933U (en) | 2023-05-12 | 2023-05-12 | Machine vision lens with focal length of 16mm and large target surface and high resolution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321140853.6U CN219871933U (en) | 2023-05-12 | 2023-05-12 | Machine vision lens with focal length of 16mm and large target surface and high resolution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219871933U true CN219871933U (en) | 2023-10-20 |
Family
ID=88321811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321140853.6U Active CN219871933U (en) | 2023-05-12 | 2023-05-12 | Machine vision lens with focal length of 16mm and large target surface and high resolution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219871933U (en) |
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2023
- 2023-05-12 CN CN202321140853.6U patent/CN219871933U/en active Active
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