CN208044168U - A visual light source based on mechanical compensation zoom objective lens group - Google Patents
A visual light source based on mechanical compensation zoom objective lens group Download PDFInfo
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- CN208044168U CN208044168U CN201721886670.3U CN201721886670U CN208044168U CN 208044168 U CN208044168 U CN 208044168U CN 201721886670 U CN201721886670 U CN 201721886670U CN 208044168 U CN208044168 U CN 208044168U
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- objective
- light source
- rear end
- objective lens
- mechanical compensation
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- 230000000007 visual effect Effects 0.000 title abstract description 4
- 238000004020 luminiscence type Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
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- Microscoopes, Condenser (AREA)
Abstract
The utility model discloses a zoom objective group visual light source based on mechanical compensation, which comprises a first objective group, a second objective group arranged at the rear end of the first objective group, and a light-emitting group arranged at the rear end of the second objective group; the rear end of the first objective lens assembly is sleeved at the front end of the second objective lens assembly, and the rear end of the second objective lens assembly is sleeved at the front end of the light-emitting assembly; and a focusing ring is sleeved outside the light-emitting assembly, the front end of the focusing ring is positioned at the joint of the light-emitting assembly and the second objective lens assembly, and the focusing ring drives the light-emitting assembly to move back and forth relative to the second objective lens assembly. The utility model discloses can guarantee image stability; has extremely high signal-to-noise ratio; the contrast of the edge contour of the detected object in the detection system is improved; by using a combination of two sets of objective lenses, zooming can be achieved when the first set of objective lenses is moved within the mechanical structure. The distance is different, and required effect is just different, can adjust by oneself according to the demand.
Description
Technical field
The utility model is related to detect light source field, and in particular to one kind being based on mechanical compensation varifocus objective group visual light
Source.
Background technology
Existing light source cannot carry out zoom operation using single object lens, when measured object size changes, need to light
The position in source is adjusted, and has seriously affected production efficiency.And the visual effect of existing light source is poor, in certain object distance range
It is interior, so as to get image magnification multiplying power increase, edge present it is fuzzy, due to the geometrical property of vision light source, to cause image
The uncertainty of marginal position, influences detection accuracy.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide one kind and regarded based on mechanical compensation varifocus objective group
Feel light source, it is low to solve existing light source detection efficiency, measured object edge blurry, the problem of Detection accuracy difference.
The utility model technical solution used for the above purpose is：
One kind being based on mechanical compensation varifocus objective group vision light source comprising the first objective lens unit is set to the first objective lens
The second objective lens unit of part rear end, and the luminescence component set on the second objective lens unit rear end；Wherein, after first objective lens unit
End cap is set to the second objective lens unit front end, and second objective lens unit rear end is sheathed on luminescence component front end；In described luminous group
Part outer cover is equipped with focusing ring, which is located at luminescence component and the second objective lens unit junction, and the focusing ring
Luminescence component is driven to be moved forward and backward relative to the second objective lens unit.
First objective lens unit includes the first lens barrel, and the first object lens inside the first lens barrel front end, in first
Object lens front is equipped with annular briquetting.
The first lens barrel point diameter is more than rear end diameter, and the first lens barrel front inner wall is equipped with the first object lens placing groove,
First object lens are located in the first object lens placing groove, and are fixed by annular briquetting.
First lens barrel rear end inner wall is equipped with the second object lens position limiting convex ring, which is equipped with oblique
Face.
First lens barrel rear end is equipped with light source and ring is fixedly mounted.
Second objective lens unit includes the second lens barrel, and the second object lens set on the second lens barrel front end.
Second lens barrel rear end outer wall and focusing ring and the second object lens junction are equipped with mutually matched adjusting screw thread, lead to
Rotation focusing ring is crossed, drives luminescence component to be moved forward and backward, to adjust the distance between luminescence component and the second object lens.
Second object lens rear end is additionally provided with tamper ring, on the tamper ring, multiple hole posts is uniformly provided with, in the hole post
Equipped with the tamper bolt coordinated with the hole post.
First object lens are 80mm~120mm at a distance from the second object lens.Second object lens and LED lighting board away from
From for 80mm~100mm.
The focusing mobile of the focusing ring ranging from 0mm~20mm.
The luminescence component includes radiating seat and the LED lighting board set on radiating seat front end.
The utility model has the beneficial effects that：The cam structure of mechanical compensation is realized, and compact-sized, dry pair of ambient light
Its immunity is small, can ensure picture steadiness；Complete processing technology photo-coupler design and eliminate boundary, makes it ensure pole
High signal-to-noise ratio；Improving the contrast of object to be detected edge contour in detecting system so that light is reflected in body surface,
Reduce the loss to light energy；It is combined using two groups of object lens, when first group of object lens moves in mechanical structured member, be may be implemented
Zoom.Distance is different, and required effect is just different, can voluntarily adjust according to demand.
Description of the drawings
Fig. 1 is 1 overall structure diagram of embodiment；
Fig. 2 is Fig. 1 configuration schematic diagrams；
Fig. 3 is Fig. 1 sectional views.
In figure：1. the annular briquetting of 2. first 3. first object lens of lens barrel of focusing ring 4.
5. 6. second object lens position limiting convex ring of the first object lens placing groove
7. 8. second lens barrel of ring, 9. second object lens are fixedly mounted in light source
10. adjusting 11. tamper ring of screw thread, 12. hole post 13.LED luminescent screens
14. radiating seat
Specific implementation mode
Embodiment 1：Referring to Fig. 1 to Fig. 3, the present embodiment provides one kind being based on mechanical compensation varifocus objective group vision light source,
It includes the first objective lens unit, is set to first the second objective lens unit of objective lens unit rear end, and be set to the second objective lens unit rear end
Luminescence component；Wherein, first objective lens unit rear end is sheathed on the second objective lens unit front end, after second objective lens unit
End cap is set to luminescence component front end；It is equipped with focusing ring 1 in the luminescence component outer cover, which is located at the group that shines
Part and the second objective lens unit junction, and the focusing ring 1 drives luminescence component to be moved forward and backward relative to the second objective lens unit.
First objective lens unit includes the first lens barrel 2, and the first object lens 3 inside 2 front end of the first lens barrel, in the
One object lens, 3 front is equipped with annular briquetting 4.
First lens barrel, 2 point diameter is more than rear end diameter, and 2 front inner wall of the first lens barrel is equipped with the first object lens placing groove
5, first object lens 3 are located in the first object lens placing groove 5, and are fixed by annular briquetting 4.
First lens barrel, 2 rear end inner wall is equipped with the second object lens position limiting convex ring 6, which sets
There is inclined-plane.
First lens barrel, 2 rear end is equipped with light source and ring 7 is fixedly mounted.
Second objective lens unit includes the second lens barrel 8, and the second object lens 9 set on 8 front end of the second lens barrel.
Second lens barrel, 8 rear end outer wall and focusing ring and the second object lens junction are equipped with mutually matched adjusting screw thread
10, by rotate focusing ring 1, drive luminescence component be moved forward and backward, to adjust between luminescence component and the second object lens 9 away from
From.
Second object lens, 9 rear end is additionally provided with tamper ring 11, on the tamper ring 11, is uniformly provided with multiple hole posts 12, in
The tamper bolt coordinated with the hole post 12 is equipped in the hole post 12.
First object lens 3 are 80mm~120mm at a distance from the second object lens 9.Second object lens 9 and LED lighting board
13 distance is 80mm~100mm.
The focusing mobile of the focusing ring 1 ranging from 0mm~20mm.
The luminescence component includes radiating seat 14 and the LED lighting board 13 set on 14 front end of radiating seat.
But the foregoing is merely the preferable possible embodiments of the utility model, not limiting to the patent of the utility model
Range, therefore all other embodiments with described in the utility model, and made by equivalence changes, be all contained in the utility model
Protection domain in.
Claims (8)
1. one kind being based on mechanical compensation varifocus objective group vision light source, which is characterized in that it includes the first objective lens unit, set on the
One the second objective lens unit of objective lens unit rear end, and the luminescence component set on the second objective lens unit rear end；Wherein, first object
Mirror assembly rear end is sheathed on the second objective lens unit front end, and second objective lens unit rear end is sheathed on luminescence component front end；In institute
It states luminescence component outer cover and is equipped with focusing ring, which is located at luminescence component and the second objective lens unit junction, and institute
Stating focusing ring drives luminescence component to be moved forward and backward relative to the second objective lens unit.
2. according to claim 1 be based on mechanical compensation varifocus objective group vision light source, which is characterized in that first object
Mirror assembly includes the first lens barrel, and the first object lens inside the first lens barrel front end, and being equipped with annular in the first object lens front presses
Block.
3. according to claim 2 be based on mechanical compensation varifocus objective group vision light source, which is characterized in that first lens barrel
Point diameter is more than rear end diameter, and the first lens barrel front inner wall is equipped with the first object lens placing groove, and first object lens are located at should
In first object lens placing groove, and fixed by annular briquetting.
4. according to claim 2 be based on mechanical compensation varifocus objective group vision light source, which is characterized in that first mirror
Tube rear end inner wall is equipped with the second object lens position limiting convex ring, which is equipped with inclined-plane.
5. according to claim 2 be based on mechanical compensation varifocus objective group vision light source, which is characterized in that first mirror
Tube rear end is equipped with light source and ring is fixedly mounted.
6. according to claim 1 be based on mechanical compensation varifocus objective group vision light source, which is characterized in that second object
Mirror assembly includes the second lens barrel, and the second object lens set on the second lens barrel front end.
7. according to claim 6 be based on mechanical compensation varifocus objective group vision light source, which is characterized in that second mirror
Tube rear end outer wall and focusing ring and the second object lens junction are equipped with mutually matched adjusting screw thread, by rotating focusing ring, drive
Luminescence component is moved forward and backward, to adjust the distance between luminescence component and the second object lens.
8. according to claim 1 be based on mechanical compensation varifocus objective group vision light source, which is characterized in that described luminous group
Part includes radiating seat and the LED lighting board set on radiating seat front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886670.3U CN208044168U (en) | 2017-12-27 | 2017-12-27 | A visual light source based on mechanical compensation zoom objective lens group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886670.3U CN208044168U (en) | 2017-12-27 | 2017-12-27 | A visual light source based on mechanical compensation zoom objective lens group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208044168U true CN208044168U (en) | 2018-11-02 |
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ID=63955648
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886670.3U Active CN208044168U (en) | 2017-12-27 | 2017-12-27 | A visual light source based on mechanical compensation zoom objective lens group |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI718507B (en) * | 2019-03-25 | 2021-02-11 | 大陸商信泰光學（深圳）有限公司 | Optical module |
| US11609403B2 (en) | 2019-03-25 | 2023-03-21 | Sintai Optical (Shenzhen) Co., Ltd. | Optical module |
-
2017
- 2017-12-27 CN CN201721886670.3U patent/CN208044168U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI718507B (en) * | 2019-03-25 | 2021-02-11 | 大陸商信泰光學（深圳）有限公司 | Optical module |
| US11609403B2 (en) | 2019-03-25 | 2023-03-21 | Sintai Optical (Shenzhen) Co., Ltd. | Optical module |
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