CN211783568U - Vision sensor testing device - Google Patents
Vision sensor testing device Download PDFInfo
- Publication number
- CN211783568U CN211783568U CN202020473983.1U CN202020473983U CN211783568U CN 211783568 U CN211783568 U CN 211783568U CN 202020473983 U CN202020473983 U CN 202020473983U CN 211783568 U CN211783568 U CN 211783568U
- Authority
- CN
- China
- Prior art keywords
- cavity
- testing
- vision sensor
- visual sensor
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 230000000007 visual effect Effects 0.000 claims abstract description 27
- 239000003086 colorant Substances 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000032683 aging Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model discloses a vision sensor testing device, which comprises a device body, wherein a cylindrical cavity is formed inside the device body, the top of the cavity is provided with an opening, and the bottom of the cavity is provided with a testing target; the opening is used for mounting a visual sensor to be tested, and when the visual sensor to be tested is fixed at the opening, a closed darkroom is formed inside the cavity; the height of the cavity is equal to the working distance d of the vision sensor to be measured, and the radius r is d multiplied by tan (1/2 theta); the testing method has the advantages that theta is the angle of view of the visual sensor to be tested, the testing method is capable of being used after being mounted and used, and is reusable and simple to operate, testing requirements on brightness, working distance, angle of view, firmness and the like during testing of the visual sensor can be met, effectiveness of the whole testing link is guaranteed, testing errors caused by environmental problems are reduced, and testing accuracy and efficiency are improved.
Description
Technical Field
The utility model relates to a product test field, concretely relates to vision sensor testing arrangement.
Background
The reliability and stability of the working state of the visual sensor are important factors for determining the quality of the visual sensor, so that the working state test and the aging test are required before the visual sensor is put into use formally; for the test of the visual sensor, there are several environmental requirements: the device is not interfered by an external light source, and has uniform compensation light sources, proper working distance, sensor fixing stability and test target adaptability; at present, the vision sensor test environment is mostly the temporary construction, satisfies the environmental requirement through modes such as sheltering from, polishing, elevating, and such environment has natural light leak light interference, compensation light source inhomogeneous, the working distance precision is poor, the environment does not have drawbacks such as reusability, is unfavorable for effectively developing of test procedure.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a vision sensor testing arrangement has and installs promptly and uses, can multiplexing, easy operation's characteristics.
Therefore, the technical scheme of the utility model is as follows:
a visual sensor testing device comprises a device body, wherein a cylindrical cavity is formed inside the device body, the top of the cavity is provided with an opening, and the bottom of the cavity is provided with a testing target; the opening is used for mounting a visual sensor to be tested, and when the visual sensor to be tested is fixed at the opening, a closed darkroom is formed inside the cavity; the height of the cavity is equal to the working distance d of the vision sensor to be measured, and the radius r is d multiplied by tan (1/2 theta); and theta is the angle of view of the vision sensor to be measured.
Further, the test target is spliced in a single color or multiple colors.
Furthermore, the opening part is provided with an annular supporting plate extending inwards, the supporting plate is used for supporting the visual sensor to be detected, the outer wall of the supporting plate extends upwards and is provided with a positioning hole and a positioning pin, and the positioning hole and the positioning pin are matched for use and can be used for fixing the visual sensor to be detected.
Preferably, an annular light source is further arranged below the supporting plate and used for light supplement.
Preferably, the outer wall of the device body is further provided with a handle.
When the device is used, the visual sensor to be tested is fixed at the opening of the testing device by utilizing the positioning hole and the positioning pin, the visual sensor to be tested is contacted with the supporting plate, and a closed darkroom is formed in the cavity; the testing device is used for testing the working state of the visual sensor;
the device can meet the testing requirements on brightness, working distance, field angle, firmness and the like during testing of the visual sensor, so that the effectiveness of the whole testing link is guaranteed, the testing error caused by environmental problems is reduced, and the testing precision and efficiency are improved.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the testing device of the present invention;
fig. 2 is a schematic view of the three-dimensional structure at another viewing angle of the testing device of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
A visual sensor testing device comprises a device body, wherein a cylindrical cavity 1 is formed in the device body, the top of the cavity is provided with an opening, and the bottom of the cavity is provided with a testing target 2; the opening is used for installing a visual sensor to be tested, and when the visual sensor to be tested is fixed at the opening, a closed darkroom is formed inside the cavity; the height of the cavity is equal to the working distance d of the vision sensor to be measured, and the radius r is d multiplied by tan (1/2 theta); and theta is the angle of view of the vision sensor to be measured.
Wherein, the test target 2 is spliced by single color or multiple colors.
In order to install the vision sensor conveniently, the opening part is provided with an annular supporting plate 3 extending inwards, the supporting plate is used for supporting the vision sensor to be detected, the outer wall of the supporting plate extends upwards and is provided with a positioning hole and a positioning pin 4, and the positioning hole and the positioning pin 4 are matched for use and can fix the vision sensor to be detected.
In order to obtain a better image acquisition effect, an annular light source is further arranged below the supporting plate and used for light supplement.
In order to move conveniently, the outer wall of the device body is also provided with a handle 5.
As the utility model discloses a using-way, the vision sensor that awaits measuring includes camera, light source and laser instrument, and its operating condition includes: camera on, light source and laser off; the camera and the light source are turned on, and the laser is turned off; turning on a camera and a laser and turning off a light source;
the vision sensor to be detected opens a camera and a light source/laser according to a preset work flow, and the camera collects a target image; by comparing the content of the actual collected target image with the content of the target image which is to be collected in the current state, whether the visual sensor is in the normal working state can be judged;
if the continuous circulating working state of the visual sensor is set, the aging test of the sensor can be carried out.
As the utility model discloses a another kind of using-way, the test vision sensor that awaits measuring includes camera, red green blue three-colour light source to its operating condition is: the camera is normally opened, and the red, green and blue light is sequentially opened and closed according to a preset sequence; the test target is spliced by three colors of red, green and blue;
the vision sensor to be detected opens a camera and a corresponding light source according to a preset work flow, and the camera collects a target image; when the red light source projects on a red block of the target, the gray value of the red light source is obviously higher than that of other color blocks; based on the principle, whether the visual sensor is in a normal working state at present can be judged by analyzing the gray information of each color block in the actually acquired target image.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. The foregoing description is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to thereby enable others skilled in the art to make and utilize the invention in various exemplary embodiments and with various alternatives and modifications. It is intended that the scope of the invention be defined by the following claims and their equivalents.
Claims (5)
1. A vision sensor testing device, characterized by: the device comprises a device body, wherein a cylindrical cavity (1) is formed in the device body, an opening is formed in the top of the cavity, and a test target (2) is arranged at the bottom of the cavity; the opening is used for mounting a visual sensor to be tested, and when the visual sensor to be tested is fixed at the opening, a closed darkroom is formed inside the cavity; the height of the cavity is equal to the working distance d of the vision sensor to be measured, and the radius r is d multiplied by tan (1/2 theta); and theta is the angle of view of the vision sensor to be measured.
2. The vision sensor testing apparatus of claim 1, wherein: the test target (2) is spliced in a single color or multiple colors.
3. The vision sensor testing apparatus of claim 1 or 2, wherein: the opening part is provided with an annular supporting plate (3) extending inwards, the supporting plate is used for supporting the visual sensor to be detected, the outer wall of the supporting plate extends upwards and is provided with a positioning hole and a positioning pin (4), and the positioning hole and the positioning pin (4) are matched for use and can fix the visual sensor to be detected.
4. The vision sensor testing apparatus of claim 3, wherein: an annular light source is further arranged below the supporting plate and used for light supplement.
5. The vision sensor testing apparatus of claim 1 or 2, wherein: the outer wall of the device body is also provided with a handle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473983.1U CN211783568U (en) | 2020-04-02 | 2020-04-02 | Vision sensor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473983.1U CN211783568U (en) | 2020-04-02 | 2020-04-02 | Vision sensor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211783568U true CN211783568U (en) | 2020-10-27 |
Family
ID=72959859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020473983.1U Active CN211783568U (en) | 2020-04-02 | 2020-04-02 | Vision sensor testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211783568U (en) |
-
2020
- 2020-04-02 CN CN202020473983.1U patent/CN211783568U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109813440A (en) | A kind of thermal infrared imager caliberating device, thermometric scaling method | |
| CN102944826B (en) | LED tests device, system and method | |
| CN110880179A (en) | Method for testing working state of visual sensor | |
| CN104569778A (en) | LED integrated ageing and life rapid detection device | |
| CN101210951B (en) | Built-in illuminating source photo-sensor detection device and test bench possessing same | |
| CN211783568U (en) | Vision sensor testing device | |
| CN109445134A (en) | A kind of system and method for auto-measuring liquid crystal display die set optical data | |
| CN113257160A (en) | Detection device and detection method for display panel | |
| US4243319A (en) | Optical property measurement system and method | |
| CN110430798A (en) | Method and apparatus for visual acuity test | |
| US6512387B1 (en) | Pressure-sensitive system and method of testing electronic device interconnections | |
| CN108593113A (en) | A kind of processing method and system of color identification | |
| KR100430559B1 (en) | Weight changing device and measuring instrument calibrating methods thereof | |
| CN210864816U (en) | Visual sensor operating condition testing arrangement | |
| CN216160453U (en) | Standard light source color checking observation box with fixing device | |
| CN111721415A (en) | Color measuring instrument and method for realizing automatic compensation and accurate color measurement based on environmental change | |
| CN112446929A (en) | Method for testing working state of visual sensor | |
| CN219266069U (en) | Device for eliminating field spectroscopic detection interference of colorimetric pool | |
| CN110954212A (en) | Toy LED light radiation test system | |
| CN213240449U (en) | Detection device for LED lamp panel | |
| BR112020007398B1 (en) | METHOD AND APPARATUS FOR CHECKING TIRES | |
| CN117593310B (en) | Image detection method and device for electric energy meter assembly quality detection | |
| CN113804624B (en) | Rapid standard sample fixing device and method | |
| CN220829337U (en) | Industrial endoscope performance test system | |
| US11688103B2 (en) | System and method for color analysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 495, building 3, 1197 Bin'an Road, Binjiang District, Hangzhou City, Zhejiang Province 310051 Patentee after: Yi Si Si (Hangzhou) Technology Co.,Ltd. Address before: Room 495, building 3, 1197 Bin'an Road, Binjiang District, Hangzhou City, Zhejiang Province 310051 Patentee before: ISVISION (HANGZHOU) TECHNOLOGY Co.,Ltd. |