CN219348138U

CN219348138U - Poor test fixture of posture

Info

Publication number: CN219348138U
Application number: CN202320564036.7U
Authority: CN
Inventors: 詹凯文; 韩志俊; 任阳阳; 胡晓; 秦道荣; 鲁先华; 黄军尧; 傅玉宏
Original assignee: Jiaxing Zhongrun Optical Technology Co Ltd
Current assignee: Jiaxing Zhongrun Optical Technology Co Ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-07-14
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to the field of testing, in particular to a gesture difference testing tool. Comprising the following steps: the device comprises a base, wherein a corner mechanism is arranged on the base, a supporting table is arranged on the corner mechanism, and the corner mechanism is used for driving the supporting table to rotate along the axis direction of the corner mechanism; the supporting table is further provided with a testing assembly and a testing lamp box, the testing assembly is used for placing a lens to be tested, and an object distance assembly used for observing whether the lens to be tested forms images or not is arranged in the testing lamp box. The simulation of the dark environment of the lens to be tested is realized, 360-degree rotation of the lens to be tested can be realized through the setting of the corner mechanism, then the multi-angle test of the lens to be tested is realized, and the test precision of the lens to be tested is increased.

Description

Poor test fixture of posture

Technical Field

The utility model relates to the field of testing, in particular to a gesture difference testing tool.

Background

The optical lens is an indispensable component in the machine vision system, and directly affects the quality of imaging and the realization and effect of an algorithm. For the optical lens, the definition plays a vital role on the lens, but at present, in the lens test process, the lens is usually directly tested in a darkroom, but because the position of a test card in the darkroom is fixed, the lens is difficult to test under the condition of various angles, and the test precision of the lens is reduced.

Disclosure of Invention

The utility model solves the existing technical problems, provides the gesture difference testing tool, realizes the simulation of the dark environment of the lens to be tested, can realize 360-degree rotation of the lens to be tested through the arrangement of the corner mechanism, further realizes the multi-angle testing of the lens to be tested, and increases the testing precision of the lens to be tested.

The technical scheme provided by the utility model is as follows:

a poor test fixture of posture, comprising: the device comprises a base, wherein a corner mechanism is arranged on the base, a supporting table is arranged on the corner mechanism, and the corner mechanism is used for driving the supporting table to rotate along the axis direction of the corner mechanism;

the supporting table is further provided with a testing assembly and a testing lamp box, the testing assembly is used for placing a lens to be tested, and an object distance assembly used for observing whether the lens to be tested forms images or not is arranged in the testing lamp box.

In this technical scheme, through the setting of test lamp house, realized the simulation of the dark environment of lens that awaits measuring then, through the setting of corner mechanism, the lens that awaits measuring can realize 360 rotations, has realized the test of the lens multi-angle that awaits measuring then, has increased the test accuracy of the lens that awaits measuring.

Preferably, the object distance assembly moves in a direction toward or away from the test assembly.

According to the technical scheme, the lens to be tested with different object distances can be tested through movement of the object distance assembly, meanwhile, the lens to be tested can be tested, and the application range of the gesture difference testing tool is increased.

Preferably, a sliding groove is formed in the test lamp box, a sliding rod is arranged on the object distance component, the sliding rod is slidably arranged in the sliding groove, and one end, away from the object distance component, of the sliding rod extends out of the sliding groove.

In this technical scheme, through the setting of sliding tray and slide bar, increased the stability of object distance subassembly when sliding, reduced the object distance subassembly and rocked the possibility at the in-process of sliding, further increased the test accuracy of the camera lens that awaits measuring.

Preferably, the sliding groove is further covered with a shading cloth, and the shading cloth is provided with an opening for the sliding rod to pass through.

In the technical scheme, the shading cloth covers the sliding groove, so that the influence of external illumination on the test lamp box is further reduced, and the test effect of the lens to be tested is further improved.

Preferably, the sliding rod is threadedly connected to the object distance assembly.

In this technical scheme, through threaded connection's setting, the operator of being convenient for also has increased the stability of object distance subassembly to the control of object distance subassembly position.

Preferably, a distance increasing mirror is arranged between the test lamp box and the object distance component.

According to the technical scheme, through the arrangement of the distance-increasing lens, the gesture difference testing tool can be adapted to the lens to be tested with larger object distance, and the application range of the gesture difference testing tool is increased.

Preferably, the connecting plate and the test lamp box form a box structure.

In this technical scheme, through the setting of connecting plate, increase apart from the mirror and can directly set up on the test lamp house, further reduced the possibility of test lamp house light leak.

Preferably, the rotation angle mechanism is used for rotating the supporting table and maintaining the supporting table at a preset angle.

Preferably, the sliding direction of the object distance component is parallel to the axis of the lens to be tested.

Preferably, the object distance assembly comprises a planar light source, and a test card is arranged on one side, close to the test assembly, of the planar light source.

In the technical scheme, the object distance assembly is convenient to realize through the arrangement of the plane light source and the test card.

Compared with the prior art, the gesture difference testing tool provided by the utility model has the following beneficial effects:

1. through the setting of test lamp house, realized the simulation of the dark environment of lens that awaits measuring then, through the setting of corner mechanism, the lens that awaits measuring can realize 360 rotations, has realized the test of lens multi-angle that awaits measuring then, has increased the test accuracy of lens that awaits measuring.

2. Through the movement of the object distance component, the lens to be tested with different object distances can be tested, meanwhile, the lens to be tested can be tested, and the application range of the gesture difference testing tool is increased.

3. Through the setting of connecting plate, increase apart from the mirror and can directly set up on the test lamp house, further reduced the possibility of test lamp house light leak.

Drawings

The above characteristics, technical features, advantages and implementation manners of a posture difference testing tool will be further described in a clear and understandable manner with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of a gesture difference test fixture of the present utility model;

fig. 2 is a schematic structural diagram of a test lamp box and a test assembly in the gesture difference test fixture of the present utility model.

Reference numerals illustrate: 1. a base; 11. a support plate; 2. a corner mechanism; 3. a support table; 4. a testing component; 41. a lens to be tested; 5. testing a lamp box; 51. an object distance assembly; 511. a planar light source; 512. a test card; 52. a slide bar; 53. an auxiliary baffle; 531. a sliding groove; 54. a slide block; 55. a linear guide rail; 56. a knob; 61. a connecting plate; 62. a distance increasing mirror; 7. and a control panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

Examples

As shown in fig. 1 and 2, a posture difference testing tool includes: the base 1 is provided with a corner mechanism 2 on the base 1, the base 1 is provided with a supporting plate 11, the corner mechanism 2 can be vertically arranged on the side surface of the supporting plate 11, the corner mechanism 2 is provided with a supporting table 3, the supporting table 3 is horizontally arranged on the corner mechanism 2, the corner mechanism 2 is used for driving the supporting table 3 to rotate along the axis direction of the corner mechanism 2, and the corner mechanism 2 can drive the supporting plate 11 to rotate in a vertical plane.

The supporting table 3 is further provided with a testing component 4 and a testing lamp box 5, the testing component 4 is used for placing the lens 41 to be tested, an object distance component 51 used for observing whether the lens 41 to be tested is imaged is arranged in the testing lamp box 5, in this embodiment, the testing lamp box 5 is located at the left end, and the testing component 4 is located at the right end.

In this embodiment, through the setting of test lamp box 5, realized the simulation of the dark environment of lens 41 that awaits measuring then, through the setting of corner mechanism 2, lens 41 that awaits measuring can realize 360 rotations, realized the test of lens 41 multi-angle that awaits measuring then, increased the test accuracy of lens 41 that awaits measuring.

Specifically, the object distance assembly 51 moves along the direction approaching or separating from the test assembly 4, the object distance assembly 51 and the test assembly 4 are both horizontally arranged on the support table 3, and specifically, a linear guide rail 55 and a sliding block 54 are arranged between the object distance assembly 51 and the support table 3.

In this embodiment, through the movement of the object distance component 51, the lens 41 to be tested with different object distances can be tested, and meanwhile, the lens 3 to be tested can be tested, so that the application range of the gesture difference testing tool is increased.

The test lamp box 5 is provided with a sliding groove 531, specifically, the test lamp box 5 is provided with an auxiliary baffle 53, and the auxiliary baffle 53 is detachably connected with the test lamp box 5; the object distance assembly 51 is provided with a sliding rod 52, the sliding rod 52 is slidably arranged in the sliding groove 531, and one end of the sliding rod 52 away from the object distance assembly 51 extends out of the sliding groove 531.

In this embodiment, the stability of the object distance assembly 51 during sliding is increased by the sliding groove 531 and the sliding rod 52, so that the possibility of shaking the object distance assembly 51 during sliding is reduced, and the testing accuracy of the lens 41 to be tested is further increased.

The slide groove 531 is also covered with a shade cloth (not shown in the drawing) provided with an opening for the slide rod 52 to pass through, and specifically, the shade cloth can be covered on the auxiliary barrier 53.

In this embodiment, the influence of external illumination on the test lamp box 5 is further reduced by covering the sliding groove 531 with the shading cloth, so that the test effect of the lens 41 to be tested is further increased.

The sliding rod 52 is in threaded connection with the object distance assembly 51, a knob 56 is further fixedly arranged at the outer end of the threaded rod 52, and the knob 56 can drive the sliding rod 52 to rotate.

In this embodiment, the arrangement of the threaded connection facilitates the control of the position of the object distance assembly 51 by the operator, and also increases the stability of the object distance assembly 51.

A distance increasing mirror 62 is arranged between the test lamp box 5 and the object distance component 51.

In this embodiment, through the setting of the distance-increasing mirror 62, the posture difference testing tool can adapt to the lens 41 to be tested with a larger object distance, and the application range of the posture difference testing tool is increased.

A connecting plate 61 is further arranged between the test lamp box 5 and the test assembly 4, and the distance increasing mirror 62 is mounted on the connecting plate 61;

the connecting plate 61 and the test lamp box 5 form a box structure.

In this embodiment, by setting the connection plate 61, the distance-increasing mirror 62 can be directly disposed on the test lamp box 5, so as to further reduce the possibility of light leakage of the test lamp box 5.

The turning mechanism 2 is used for rotating the supporting table 3 and maintaining the supporting table 3 at a preset angle.

The sliding direction of the object distance assembly 51 is parallel to the axis of the lens 41 to be tested.

The object distance assembly 51 includes a planar light source 511, and a test card 512 is disposed on a side of the planar light source 511 near the test assembly 4.

By the arrangement of the planar light source 511 and the test card 512, the object distance assembly 51 is facilitated.

Preferably, the base 1 is further provided with a control panel 7, and a controller is further arranged in the base 1 and is electrically connected with the corner mechanism 2, the test assembly 4, the object distance assembly 51 and the control panel 7.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. Poor test fixture of posture, its characterized in that includes: the device comprises a base, wherein a corner mechanism is arranged on the base, a supporting table is arranged on the corner mechanism, and the corner mechanism is used for driving the supporting table to rotate along the axis direction of the corner mechanism;

2. The poor posture testing tool of claim 1, wherein:

the object distance assembly moves in a direction toward or away from the test assembly.

3. The poor posture testing tool of claim 2, wherein:

the test lamp box is provided with a sliding groove, the object distance component is provided with a sliding rod, the sliding rod is glidingly arranged in the sliding groove, and one end of the sliding rod, which is far away from the object distance component, extends out of the sliding groove.

4. A poor posture testing fixture according to claim 3, wherein:

the sliding groove is also covered with shading cloth, and an opening for the sliding rod to pass through is formed in the shading cloth.

5. A poor posture testing fixture according to claim 3, wherein:

the sliding rod is connected to the object distance component in a threaded mode.

6. The poor posture testing tool of claim 1, wherein:

and a distance increasing mirror is arranged between the test lamp box and the object distance component.

7. The poor posture testing tool of claim 6, wherein:

a connecting plate is further arranged between the test lamp box and the test assembly, and the distance increasing mirror is arranged on the connecting plate;

the connecting plate and the test lamp box form a box body structure.

8. The poor posture testing tool of claim 1, wherein:

the corner mechanism is used for rotating the supporting table and maintaining the supporting table at a preset angle.

9. The poor posture testing tool of claim 1, wherein:

the sliding direction of the object distance component is parallel to the axis of the lens to be tested.

10. The poor posture testing tool of claim 1, wherein:

the object distance assembly comprises a plane light source, and a test card is arranged on one side, close to the test assembly, of the plane light source.