CN202305972U - Machine vision manual focus lens - Google Patents
Machine vision manual focus lens Download PDFInfo
- Publication number
- CN202305972U CN202305972U CN2011204462887U CN201120446288U CN202305972U CN 202305972 U CN202305972 U CN 202305972U CN 2011204462887 U CN2011204462887 U CN 2011204462887U CN 201120446288 U CN201120446288 U CN 201120446288U CN 202305972 U CN202305972 U CN 202305972U
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- lens
- positive meniscus
- meniscus lens
- machine vision
- airspace
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Abstract
The utility model relates to a machine vision manual focus lens. The machine vision manual focus lens comprises a front fixed optic subassembly and a rear fixed optic subassembly both arranged in a main lens cone body, and a manual aperture arranged between the front fixed optic subassembly and the rear fixed optic subassembly. The front fixed optic subassembly is orderly provided with a first positive meniscus lens, a second positive meniscus lens, a third positive meniscus lens, a fourth positive meniscus lens and a pair of convex lenses along the incident direction of light; and the rear fixed optic subassembly is orderly provided with a fifth positive meniscus lens, a second pair of convex lenses, a third pair of convex lenses, a fourth pair of convex lenses and a sixth positive meniscus lens along the incident direction of light. For the machine vision manual focus lens provided by the utility model, with the front fixed optic subassembly and the rear fixed optic subassembly in the main lens cone body, the machine vision manual focus lens is simple and compact in structure, easy to detach and low in production cost.
Description
Technical field:
The utility model relates to a kind of camera lens, the manual camera lens of particularly a kind of machine vision.
Background technology:
Machine vision replaces human eye to do measurement and judgement with machine exactly.NI Vision Builder for Automated Inspection will be become picture signal by the picked-up Target Transformation through machine vision product (being image-pickup device-camera lens), send special-purpose image processing system to, according to information such as pixel distribution and brightness, colors, be transformed into digitized signal; Picture system carries out the characteristic that various computings come extracting objects to these signals, and then controls on-the-spot device motion according to discrimination result.Thereby the precision of camera lens and sharpness play crucial effects to the measurement and the judgement of machine vision, and present lens assembly complex structure, manufacturing cost are high.
Summary of the invention:
The purpose of the utility model promptly is to provide a kind of machine vision manual camera lens, and this lens construction is reasonable in design, helps simplifying its structure, reduces manufacturing cost.
The manual camera lens of the utility model machine vision; It is characterized in that: comprise the preceding fixing len assembly and back fixing len assembly that are arranged in the primary mirror cylindrical shell; And the manual iris between fixing len assembly and the back fixing len assembly before being located at; The fixing len assembly is disposed with first positive meniscus lens, second positive meniscus lens, the 3rd positive meniscus lens, the 4th positive meniscus lens and first biconvex lens along the light incident direction before said, and said back fixing len assembly is disposed with the 5th positive meniscus lens, second biconvex lens, the 3rd biconvex lens, the 4th biconvex lens and the 6th positive meniscus lens along the light incident direction.
Airspace in the above-mentioned preceding fixing len assembly between first positive meniscus lens and second positive meniscus lens is 0.2 ± 0.03mm; Airspace between second positive meniscus lens and the 3rd positive meniscus lens is 3 ± 0.03mm; Airspace between the 3rd positive meniscus lens and the 4th positive meniscus lens is 3.2 ± 0.03mm; The airspace of the 4th positive meniscus lens and first biconvex lens is 1 ± 0.03mm.
The 5th positive meniscus lens glues together with second biconvex lens mutually in the fixing len assembly of above-mentioned back; Between second biconvex lens and the 3rd biconvex lens; Airspace between the 3rd biconvex lens and the 4th biconvex lens is 0.2 ± 0.03mm, and the airspace between the 4th biconvex lens and the 6th positive meniscus lens is 0.3 ± 0.03mm.
Airspace before above-mentioned between fixing len assembly and the aperture is 2 ± 0.03mm, and the airspace between aperture and the back fixing len assembly is 1.2 ± 0.03mm.
The utility model makes lens construction simple, compact through preceding fixing len assembly in the primary mirror cylindrical shell and back fixing len assembly, be easy to dismounting, and production cost is low.
Description of drawings:
Fig. 1 is the organigram of the utility model;
Fig. 2 is the organigram of the utility model optical lens.
Embodiment:
With reference to figure 1 and Fig. 2; The manual camera lens of the utility model machine vision; Comprise the preceding fixing len assembly A and back fixing len assembly B that are arranged in body tube 09 body; And the manual iris C between fixing len assembly and the back fixing len assembly before being located at; Before fixing len assembly A be disposed with first positive meniscus lens 06, second positive meniscus lens 04, the 3rd positive meniscus lens 03, the 4th positive meniscus lens 02 and first biconvex lens 01 along the light incident direction, back fixing len assembly B is disposed with the 5th positive meniscus lens 36, second biconvex lens 34, the 3rd biconvex lens 33, the 4th biconvex lens 32 and the 6th positive meniscus lens 31 along the light incident direction.
Airspace in the above-mentioned preceding fixing len assembly between first positive meniscus lens and second positive meniscus lens is 0.2 ± 0.03mm; Airspace between second positive meniscus lens and the 3rd positive meniscus lens is 3 ± 0.03mm; Airspace between the 3rd positive meniscus lens and the 4th positive meniscus lens is 3.2 ± 0.03mm; The airspace of the 4th positive meniscus lens and first biconvex lens is 1 ± 0.03mm.
The 5th positive meniscus lens glues together with second biconvex lens mutually in the fixing len assembly of above-mentioned back; Between second biconvex lens and the 3rd biconvex lens; Airspace between the 3rd biconvex lens and the 4th biconvex lens is 0.2 ± 0.03mm, and the airspace between the 4th biconvex lens and the 6th positive meniscus lens is 0.3 ± 0.03mm.
Airspace before above-mentioned between fixing len assembly and the aperture is 2 ± 0.03mm, and the airspace between aperture and the back fixing len assembly is 1.2 ± 0.03mm.
The principle of work of the manual camera lens of the utility model machine vision:
1, implement manual iris, 8 diameter 1.5mm apertures are arranged in the body tube 09, cooperate with 8 diaphragm sheet 18 bottoms pins respectively, the diaphragm sheet rotates around the pin axis, implements the aperture of the diaphragm and becomes big, diminishes.Said 8 diaphragm sheet tops are respectively equipped with pin; Respectively with diaphragm rotating ring 19 on 8 wide U-lags of 1.5mm do and be slidingly matched; Said diaphragm rotating ring 19 is done the left rotation and right rotation motion with body tube 09 axis, and said diaphragm rotating ring is moving by moving plate collar 17 restrictions string along about the body tube.Said diaphragm rotating ring 19 is provided with a Nogata tenon, the Nogata tenon pass body tube radially (100 degree) grooved bore in diaphragm handwheel 15 tongue-and-grooves.It is moving moving that said diaphragm handwheel is done rotation around the body tube axis, and the diaphragm handwheel is provided with to be regulated behind the f-number with thing fixed fastening screw 14, also is provided with in addition and aperture gear ring 11 corresponding gear springs 13 and steel balls 12.
2, real rotating mirror head focusing, body tube 09 are provided with the left-hand thread (LHT) that matches with abutment ring 25 and match with the Connection Block inner groovy and the countervane 26 that slides of body tube axis relatively.Said abutment ring 25 is provided with the right-hand thread that cooperates with Connection Block 24, also be provided with focusing ring 23 on three holding screws 35 groove of embedding mutually, three holding screws 35 pass the screw hole on the focusing ring 23 and are fixed in the groove on the abutment ring 25.Said focusing ring is provided with and is used to pass focusing ring and stretches the spacing cross screw of putting in Connection Block 24 stopper slots 22, is provided with camera lens object distance value in addition and to the defocused trip bolt that is used for fixing 21.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model.
Claims (4)
1. manual camera lens of machine vision; It is characterized in that: comprise the preceding fixing len assembly and back fixing len assembly that are arranged in the primary mirror cylindrical shell; And the manual iris between fixing len assembly and the back fixing len assembly before being located at; The fixing len assembly is disposed with first positive meniscus lens, second positive meniscus lens, the 3rd positive meniscus lens, the 4th positive meniscus lens and first biconvex lens along the light incident direction before said, and said back fixing len assembly is disposed with the 5th positive meniscus lens, second biconvex lens, the 3rd biconvex lens, the 4th biconvex lens and the 6th positive meniscus lens along the light incident direction.
2. the manual camera lens of machine vision according to claim 1 is characterized in that: the airspace in the said preceding fixing len assembly between first positive meniscus lens and second positive meniscus lens is 0.2 ± 0.03mm; Airspace between second positive meniscus lens and the 3rd positive meniscus lens is 3 ± 0.03mm; Airspace between the 3rd positive meniscus lens and the 4th positive meniscus lens is 3.2 ± 0.03mm; The airspace of the 4th positive meniscus lens and first biconvex lens is 1 ± 0.03mm.
3. the manual camera lens of machine vision according to claim 1 and 2; It is characterized in that: the 5th positive meniscus lens glues together with second biconvex lens mutually in the fixing len assembly of said back; Between second biconvex lens and the 3rd biconvex lens; Airspace between the 3rd biconvex lens and the 4th biconvex lens is 0.2 ± 0.03mm, and the airspace between the 4th biconvex lens and the 6th positive meniscus lens is 0.3 ± 0.03mm.
4. the manual camera lens of machine vision according to claim 3 is characterized in that: the airspace before said between fixing len assembly and the aperture is 2 ± 0.03mm, and the airspace between aperture and the back fixing len assembly is 1.2 ± 0.03mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204462887U CN202305972U (en) | 2011-11-14 | 2011-11-14 | Machine vision manual focus lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204462887U CN202305972U (en) | 2011-11-14 | 2011-11-14 | Machine vision manual focus lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305972U true CN202305972U (en) | 2012-07-04 |
Family
ID=46374840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204462887U Expired - Lifetime CN202305972U (en) | 2011-11-14 | 2011-11-14 | Machine vision manual focus lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305972U (en) |
Cited By (1)
| 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 |
-
2011
- 2011-11-14 CN CN2011204462887U patent/CN202305972U/en not_active Expired - Lifetime
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 350108, Fujian Fuzhou high tech Zone Haixi new and high tech Industrial Park Innovation Park, No. 15, building 3-8 Patentee after: Fujian Hao Lan Photoelectric Co., Ltd. Address before: Cangshan District of Fuzhou City, Fujian province 350002 Jinshan Road No. 618 Orangerie Chau Industrial Park Building 3 layer eighteenth Patentee before: AZURE Photonics Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |