CN216116671U - Lens tester - Google Patents
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- CN216116671U CN216116671U CN202122434791.7U CN202122434791U CN216116671U CN 216116671 U CN216116671 U CN 216116671U CN 202122434791 U CN202122434791 U CN 202122434791U CN 216116671 U CN216116671 U CN 216116671U
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Abstract
The utility model discloses a lens tester, comprising: the heat dissipation device comprises a box body and an installation plate arranged on the box body, wherein a heat dissipation assembly convenient for the work and heat dissipation inside the box body is arranged on the box body, and a testing mechanism used for testing the imaging quality of a lens is arranged inside the box body; the testing mechanism comprises an LED light source, a collimating light path, a micro-lens array, a focusing lens, a resolution ratio plate and a lens adapter which are sequentially arranged in the box body. When the lens tester needs to test the imaging quality of the lens to be tested, the testing mechanism projects the testing graph of the resolution plate on the screen by the lens to be tested, the imaging quality of the lens to be tested is judged by the projected imaging quality on the screen, and the testing operation of the imaging quality of the lens to be tested is completed.
Description
Technical Field
The utility model relates to the technical field of lens testing, in particular to a lens tester.
Background
The camera lens is the most important part in the camera because its quality directly influences the quality of the shot image, and the lens is the most important standard for dividing the camera type and grade, generally speaking, the camera can be divided into three grades of professional camera, quasi-professional camera and ordinary camera according to the lens, no matter traditional film camera or digital camera can be suitable for the division, the lens can be divided into two categories of zoom and fixed focus, and no matter what kind of lens, the imaging quality of the lens needs to be tested in daily use and production process.
In the prior art, the internal structure of a lens tester is complex, different lenses cannot be tested by the same set of test equipment in the test process, and the compatibility of the equipment is poor; in addition, the operation difficulty of the equipment is high, and the test instrument cannot be conveniently and quickly adjusted;
we provide a lens tester for this purpose to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the lens tester, which can test various different lenses by one tester and has good compatibility; simple and fast operation greatly shortens the adjustment work in the early stage of the test.
In order to achieve the above object, the present invention employs a lens tester, comprising: the heat dissipation device comprises a box body and an installation plate arranged on the box body, wherein a heat dissipation assembly convenient for work and heat dissipation in the box body is arranged on the box body, and a testing mechanism used for testing the imaging quality of a lens is arranged in the box body;
the testing mechanism is including setting up LED light source, collimation light path, microlens array, focusing lens, resolution ratio board and the camera lens adapter in the box is inside, the central axis of LED light source, collimation light path, microlens array, focusing lens, resolution ratio board and camera lens adapter is located same straight line, install the camera lens that awaits measuring on the camera lens adapter, be provided with the guiding mechanism of interval between adjustment camera lens adapter and the resolution ratio board on the mounting panel.
As the further optimization of above-mentioned scheme, guiding mechanism is including installing the connecting plate on the mounting panel, be connected with the fixed plate through sliding assembly on the connecting plate, the camera lens adapter is installed on the fixed plate, movable mounting has the operation panel on the connecting plate, be connected with the rotating tube on the operation panel, threaded engagement is connected with the transfer line on the inner wall of rotating tube, the tip fixed mounting of transfer line has the driving plate, the driving plate is connected with the camera lens adapter.
As a further optimization of the above scheme, a rotating pin is arranged on the rotating pipe, and a protrusion is arranged on the side wall of the rotating pin.
As a further optimization of the above scheme, the sliding assembly includes sliding grooves formed in the connecting plate, the sliding grooves are provided with a plurality of groups, sliding plates are connected to the sliding grooves in a sliding manner, and the sliding plates are fixedly mounted on the lower end face of the fixed plate.
As a further optimization of the above scheme, the heat dissipation assembly includes a vent opening provided inside the box body, and a heat dissipation fan is installed inside the box body.
As a further optimization of the above scheme, a precision reticle is arranged on the resolution plate.
As a further optimization of the scheme, the mounting plate is provided with a plurality of supporting pads.
The lens tester provided by the utility model has the following beneficial effects:
1. the utility model provides a technical scheme that: when the imaging quality of the lens to be tested is tested, the testing mechanism projects the testing graph of the resolution plate on the screen by the lens to be tested, the imaging quality of the lens to be tested is judged by the projected imaging quality on the screen, and the testing operation of the imaging quality of the lens to be tested is completed, so that the operation is simple and convenient to implement in the whole testing process, the testing of the imaging quality of the lens to be tested can be quickly and effectively completed, and the convenience of lens testing is improved;
2. the utility model provides a technical scheme that: when the imaging quality of the lenses to be tested of different interfaces is tested, the distance between the lens to be tested and the resolution board is adjusted through the adjusting mechanism, so that the tester can further perform testing operation on the lenses to be tested of different interfaces, and the compatibility of the tester is improved;
3. the utility model provides a technical scheme that: in the process of testing, because the test original paper can produce the heat at the operation in-process, will dispel the heat and fan the start, through dispelling the heat that the fan produced the inside test procedure of box from the vent discharge of box side, the stability in the tester test procedure has been improved to the inside temperature of effectual control box.
There have been disclosed in detail certain embodiments of the utility model with reference to the following description and drawings, and it is to be understood that the embodiments of the utility model are not limited thereby, but are intended to cover within the spirit and scope of the appended claims, many changes, modifications, and equivalents.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
fig. 2 is a schematic diagram of the internal structure of the testing mechanism of the present invention.
In the figure: 1. a box body; 2. mounting a plate; 3. a support pad; 401. a vent; 402. a heat dissipation fan; 501. an LED light source; 502. collimating the light path; 503. a microlens array; 504. a focusing lens; 505. a resolution board; 506. a lens adapter; 507. a lens to be tested; 601. a connecting plate; 602. a fixing plate; 603. an operation panel; 604. rotating the tube; 605. a transmission rod; 606. a drive plate; 607. a rotation pin; 701. a sliding groove; 702. a sliding plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
referring to the attached drawings 1-2 of the specification, the utility model provides a technical scheme: a lens tester, comprising:
the device comprises a box body 1 and an installation plate 2 installed on the box body 1, wherein a heat dissipation assembly convenient for work and heat dissipation inside the box body 1 is arranged on the box body 1, and a testing mechanism used for lens imaging quality testing is arranged inside the box body 1;
the testing mechanism comprises an LED light source 501, a collimation light path 502, a micro lens array 503, a focusing lens 504, a resolution plate 505 and a lens adapter 506 which are arranged inside the box body 1, the central axes of the LED light source 501, the collimation light path 502, the micro lens array 503, the focusing lens 504, the resolution plate 505 and the lens adapter 506 are located on the same straight line, a lens 507 to be tested is installed on the lens adapter 506, and an adjusting mechanism for adjusting the distance between the lens adapter 506 and the resolution plate 505 is arranged on the mounting plate 2.
It should be noted that, the imaging quality of the lens 507 to be tested is judged through the projection imaging quality on the screen, and the test operation of the imaging quality of the lens 507 to be tested is completed.
In this embodiment, the adjusting mechanism includes a connecting plate 601 mounted on the mounting plate 2, the connecting plate 601 is connected to a fixing plate 602 through a sliding assembly, the lens adapter 506 is mounted on the fixing plate 602, the connecting plate 601 is movably mounted with an operating plate 603, the operating plate 603 is connected to a rotating tube 604, the inner wall of the rotating tube 604 is connected to a transmission rod 605 through threaded engagement, the end of the transmission rod 605 is fixedly mounted with a transmission plate 606, and the transmission plate 606 is connected to the lens adapter 506.
It should be noted that, by using the adjusting mechanism, the distance between the lens 507 to be tested and the resolution board 505 can be adjusted, so that when testing lenses of different specifications, the purpose of testing different lenses can be achieved by adapting adjustment of the adjusting mechanism, and meanwhile, the adjusting mechanism can also meet the purpose of fixing lenses of different specifications during testing, so as to further enable the tester to perform testing operation on the lens 507 to be tested of different specifications, thereby improving the compatibility of the tester.
As shown in fig. 2, the rotating pipe 604 is provided with a rotating pin 607, and a side wall of the rotating pin 607 is provided with a protrusion.
It should be noted that, the surface of the rotating pin 607 is provided with a protrusion, which can play a role of anti-slip when the rotating pin 607 is rotated, so that the adjustment operation can be performed more conveniently.
According to fig. 1, the sliding assembly includes sliding grooves 701 formed on the connecting plate 601, the sliding grooves 701 are provided with a plurality of sets, sliding plates 702 are slidably connected to the sliding grooves 701, and the sliding plates 702 are fixedly mounted on the lower end surface of the fixed plate 602.
It should be noted that, by the cooperation between the sliding groove 701 and the sliding plate 702, the distance between the lens 507 to be tested and the resolution board 505 can be adjusted more stably, and the sliding groove 701 plays a role in guiding the whole adjusting and moving process, so that it can be ensured that the lens 507 to be tested does not deviate from the central line of the whole testing mechanism with respect to the back-and-forth movement of the testing mechanism, and the lens 507 to be tested does not deviate from the left-and-right direction.
Further, the heat dissipation assembly includes a vent 401 provided inside the case 1, and a heat dissipation fan 402 is installed inside the case 1.
It should be noted that, in the testing process, the components and parts in the testing mechanism can generate heat, after the cooling fan 402 is started, the heat generated in the internal testing process of the box body 1 is discharged from the ventilation opening 401 through the cooling fan 402, the internal temperature of the box body 1 is effectively controlled, the stability in the testing process of the tester is improved, meanwhile, the ventilation openings 401 are arranged on the two sides of the box body, the effect of air convection can be well played, and the heat dissipation is more convenient.
Further, a fine reticle is provided on the resolution plate 505.
It should be noted that the resolution board 505 is provided with precise scribed lines with different line widths, the finest line width is 0.005mm, the resolution can reach 100lp/mm, and the projection quality of the lens 507 to be measured can be observed more conveniently.
Specifically, the mounting plate 2 is provided with a plurality of support pads 3.
It should be noted that, be provided with a plurality of supporting pads 3 on the mounting panel 2, the interval between supporting pad 3 and the mounting panel 2 can use the bolt elasticity of fixing to adjust for the tester can satisfy the maintenance of horizontal position under different kind test environment, through the setting of supporting pad 3, the stationarity that the whole tester of being convenient for more placed.
The lens tester provided by the embodiment has the following working process:
when the imaging quality of the lens 507 to be tested needs to be tested, firstly, a projection screen for testing is placed on one side of the box body 1, the lens 507 to be tested is installed on the lens adapter 506, and the lens 507 to be tested is aligned to the projection screen; then, after the installation is completed, the LED light source 501 in the box body 1 is started, the LED light source 501 irradiates the light source into the lens 507 to be tested after being started, the light source is collimated through the collimating light path 502 in the light source irradiation process, the collimated light source performs light homogenizing treatment through the micro lens array 503 and the focusing lens 504, so that the light source uniformly irradiates the resolution plate 505, in the irradiation process, a pattern for testing the imaging quality is provided by adjusting the precise reticle on the resolution plate 505, when the light irradiates the lens 507 to be tested, the lens 507 to be tested projects the test pattern of the resolution plate 505 onto the screen, the imaging quality of the lens 507 to be tested is judged through the projected imaging quality on the screen, the testing operation of the imaging quality of the lens 507 to be tested is completed, the operation is simple, the implementation is convenient, and the testing of the imaging quality of the lens 507 to be tested can be quickly and effectively completed, the convenience of the lens is improved;
when the imaging quality of the lens 507 to be tested with different interfaces needs to be tested, the rotating pin 607 is rotated to control the rotating pipe 604 to rotate, in the rotating process of the rotating pipe 604, the driving rod 605 is driven to move through the meshing transmission between the rotating pipe 604 and the driving rod 605 and the guiding action of the sliding groove 701 and the sliding plate 702, in the moving process of the driving rod 605, the driving plate 606 synchronously drives the fixed plate 602 and the lens adapter 506 to move, so that the lens 507 to be tested mounted on the lens adapter 506 moves close to or away from the resolution plate 505, the purpose of adjusting the distance between the lens 507 to be tested and the resolution plate 505 is further achieved, the tester can further test the lens 507 to be tested with different interfaces, and the compatibility of the tester is improved.
It should be understood that the present invention is not limited to the particular embodiments described herein, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. A lens tester comprises a box body (1) and an installation plate (2) installed on the box body (1), and is characterized in that a heat dissipation assembly convenient for the internal work and heat dissipation of the box body (1) is arranged on the box body (1), and a testing mechanism used for lens imaging quality testing is arranged in the box body (1);
the testing mechanism is including setting up LED light source (501), collimation light path (502), microlens array (503), focusing lens (504), resolution ratio board (505) and camera lens adapter (506) inside box (1), the central axis of LED light source (501), collimation light path (502), microlens array (503), focusing lens (504), resolution ratio board (505) and camera lens adapter (506) is located same straight line, install lens (507) of awaiting measuring on camera lens adapter (506), be provided with the guiding mechanism of interval between adjustment camera lens adapter (506) and resolution ratio board (505) on mounting panel (2).
2. The lens tester as claimed in claim 1, wherein the adjusting mechanism comprises a connecting plate (601) mounted on the mounting plate (2), the connecting plate (601) is connected with a fixing plate (602) through a sliding assembly, the lens adapter (506) is mounted on the fixing plate (602), the connecting plate (601) is movably mounted with an operating plate (603), the operating plate (603) is connected with a rotating tube (604), the inner wall of the rotating tube (604) is connected with a transmission rod (605) in a threaded engagement manner, the end of the transmission rod (605) is fixedly mounted with a transmission plate (606), and the transmission plate (606) is connected with the lens adapter (506).
3. A lens tester as claimed in claim 2, characterized in that the rotation tube (604) is provided with a rotation pin (607), and a side wall of the rotation pin (607) is provided with a protrusion.
4. The lens tester according to claim 2, wherein the sliding assembly comprises a sliding groove (701) formed on the connecting plate (601), the sliding groove (701) is provided with a plurality of groups, a sliding plate (702) is slidably connected to the sliding groove (701), and the sliding plate (702) is fixedly mounted on the lower end surface of the fixed plate (602).
5. The lens tester according to claim 1, wherein the heat dissipation assembly comprises a ventilation opening (401) formed in the interior of the case (1), and a heat dissipation fan (402) is installed in the interior of the case (1).
6. A lens tester as claimed in claim 1, characterized in that the resolution plate (505) is provided with fine scribed lines.
7. A lens tester as claimed in claim 1, characterized in that the mounting plate (2) is provided with a number of support pads (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122434791.7U CN216116671U (en) | 2021-10-08 | 2021-10-08 | Lens tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122434791.7U CN216116671U (en) | 2021-10-08 | 2021-10-08 | Lens tester |
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| Publication Number | Publication Date |
|---|---|
| CN216116671U true CN216116671U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122434791.7U Active CN216116671U (en) | 2021-10-08 | 2021-10-08 | Lens tester |
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| CN (1) | CN216116671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116071354A (en) * | 2023-03-06 | 2023-05-05 | 深圳思谋信息科技有限公司 | Image processing method, device, computer equipment and computer readable storage medium |
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2021
- 2021-10-08 CN CN202122434791.7U patent/CN216116671U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116071354A (en) * | 2023-03-06 | 2023-05-05 | 深圳思谋信息科技有限公司 | Image processing method, device, computer equipment and computer readable storage medium |
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Address after: Fuhuang New Vision Building, No. 77 Wutaishan Road, Baohe Economic Development Zone, Hefei City, Anhui Province, 230051 Patentee after: Hefei Zhongke Junda Vision Technology Co.,Ltd. Address before: 230088 Room 107, Building 3, Tiandao 10 Software Park, Hefei High-tech Zone, Anhui Province Patentee before: HEFEI FUHUANG JUNDA HIGH-TECH INFORMATION TECHNOLOGY Co.,Ltd. |