CN213580026U - Detection apparatus for laser lighting module - Google Patents
Detection apparatus for laser lighting module Download PDFInfo
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- CN213580026U CN213580026U CN202022689207.8U CN202022689207U CN213580026U CN 213580026 U CN213580026 U CN 213580026U CN 202022689207 U CN202022689207 U CN 202022689207U CN 213580026 U CN213580026 U CN 213580026U
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- laser
- acquisition card
- personal computer
- industrial personal
- laser module
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Abstract
The utility model relates to an automatic detection technology, in particular to a detection device and a detection method of a laser lighting module, which comprises an industrial personal computer, a camera, a programmable power supply, a voltage acquisition card, a current acquisition card, a projection plate and a laser module; the camera is connected with the industrial personal computer through an HDMI bus, and faces the projection plate; the programmable power supply is connected with the industrial personal computer through a USB bus, and is also connected with the laser module; the voltage acquisition card and the current acquisition card are both connected with an industrial personal computer through a PCI slot, and are also both connected with the laser module; controlling a camera through an industrial personal computer, collecting the light type of a laser module, and detecting the maximum illumination value of high beam; detecting the working current and the working voltage of the laser through a current acquisition card and a voltage acquisition card; judging the working temperature of the laser module by detecting the voltage value; and analyzing and calculating the spectrum of the laser by a spectrometer, and judging whether blue light leakage occurs or not.
Description
Technical Field
The utility model relates to an automatic detection technology specifically is a detection device of laser lighting module.
Background
With continuous innovation of automobile science and technology and research and development breakthrough of automobile lighting technology, laser headlamps have gradually become the future trend of automobile headlamps, and lasers have unique directional luminescence and extremely high brightness, and have very strong penetrability. However, in terms of safety, if the laser generates blue light leakage, the damage to human eyes is very large. Therefore, in order to solve such problems, it is necessary to design a detection device of a laser headlamp, which can detect not only blue light leakage but also temperature, current voltage, and maximum illuminance value of high beam; therefore, the use safety of the laser headlamp is ensured while the laser headlamp is used in the automobile headlamp.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model overcomes current defect, provides a detection device of laser lighting module.
In order to solve the technical problem, the utility model provides a following technical scheme: a detection device of a laser lighting module comprises an industrial personal computer, a camera, a programmable power supply, a voltage acquisition card, a current acquisition card, a projection plate and a laser module;
the camera is connected with the industrial personal computer through an HDMI bus, and faces the projection plate;
the programmable power supply is connected with the industrial personal computer through a USB bus, and is also connected with the laser module;
the voltage acquisition card and the current acquisition card are connected with the industrial personal computer through the PCI slot, and are also connected with the laser module.
Preferably, the laser module further comprises a spectrometer, and the spectrometer faces the laser module.
Preferably, the laser module further comprises a fresnel lens, and the laser emitted by the laser module passes through the fresnel lens and then is projected on the projection plate.
Preferably, the industrial personal computer adopts an MCU controller.
The utility model discloses beneficial effect: the utility model discloses a detection device of laser lighting module passes through the industrial computer control camera, gathers the light type of laser module, detects the maximum illumination value of distance beam; detecting the working current and the working voltage of the laser through a current acquisition card and a voltage acquisition card; judging the working temperature of the laser module by detecting the voltage value; through the spectrometer, the spectrum of the laser is analyzed and calculated, and whether blue light leakage occurs or not is judged, so that the laser headlamp leaving the factory can be further detected more perfectly, and the laser headlamp is safer to use.
Drawings
Fig. 1 is a diagram of the structure block of the present invention.
FIG. 2 is a flow chart of the present invention;
fig. 3 is a flow chart of the present invention.
Description of the drawings: 1. an industrial personal computer; 2. a camera; 3. a programmable power supply; 4. a voltage acquisition card; 5. a current acquisition card; 6. a spectrometer; 7. a projection plate; 8. a laser module; 9. a Fresnel lens.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
As shown in fig. 1, a detection device of a laser lighting module comprises an industrial personal computer 1, a camera 2, a programmable power supply 3, a voltage acquisition card 4, a current acquisition card 5, a projection plate 7 and a laser module 8; the camera 2 is connected with the industrial personal computer 1 through an HDMI bus, and the camera 2 faces the projection plate 7; the programmable power supply 3 is connected with the industrial personal computer 1 through a USB bus, and the programmable power supply 3 is also connected with the laser module 8;
the voltage acquisition card 4 and the current acquisition card 5 are both connected with the industrial personal computer 1 through PCI slots, and the voltage acquisition card 4 and the current acquisition card 5 are also both connected with the laser module 8.
The device also comprises a spectrometer 6, wherein the spectrometer 6 faces the laser module 8; the laser projection device further comprises a Fresnel lens 9, and laser emitted by the laser module 8 passes through the Fresnel lens 9 and then is projected on the projection plate 7.
As shown in fig. 2, the detection device of the present invention performs the following operations when in use:
1) starting equipment and initializing the equipment;
2) checking the equipment, and starting to work after the point check is qualified;
3) configuring parameters;
4) manually feeding;
5) after the feeding is finished, starting a test button;
6) turning to a code scanning station;
7) after the code scanning is finished, the motion control mechanism moves the laser module to be tested to reach a testing station to start testing;
8) turning to an OK/NG sorting station; extracting NG material, and OK laser marking;
9) after the test is finished, the laser module returns to the feeding station and is manually fed;
10) the test record for each sample is automatically saved, the storage path can be customized or the default is kept.
As shown in fig. 3, a method for detecting a detection device of a laser lighting module includes the following steps: step one, blue light leakage detection:
the relative spectrum of the laser module 8 is measured through the spectrometer 6 and compared with the spectrum of a standard laser light source, and when blue light leakage occurs, the industrial personal computer 1 closes the laser module 8 through the programmable power supply 3;
step two, detecting the maximum illumination value:
the camera 2 collects images projected on the projection plate 7 by the lighted laser modules 8, and the maximum high beam illumination value of the laser modules 8 is obtained through software analysis and calculation;
step three, temperature detection:
acquiring a current NTC voltage value through an ADC port of the industrial personal computer 1 to obtain the current environment temperature of the laser module 8, and turning off a light source of the laser module 8 when the NTC temperature is detected to be higher than 95 ℃; when the detected temperature is lower than 85 ℃, laser is started;
fourthly, storing results: and displaying and storing the result.
The industrial personal computer 1 adopts an MCU controller.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (4)
1. The utility model provides a detection apparatus for laser lighting module which characterized in that: the device comprises an industrial personal computer (1), a camera (2), a programmable power supply (3), a voltage acquisition card (4), a current acquisition card (5), a projection plate (7) and a laser module (8);
the camera (2) is connected with the industrial personal computer (1) through an HDMI bus, and the camera (2) faces the projection plate (7);
the programmable power supply (3) is connected with the industrial personal computer (1) through a USB bus, and the programmable power supply (3) is also connected with the laser module (8);
the voltage acquisition card (4) and the current acquisition card (5) are connected with the industrial personal computer (1) through PCI slots, and the voltage acquisition card (4) and the current acquisition card (5) are also connected with the laser module (8).
2. The detection device for the laser lighting module according to claim 1, wherein: the device also comprises a spectrometer (6), wherein the spectrometer (6) faces the laser module (8).
3. The detection device for the laser lighting module according to claim 1, wherein: the laser module further comprises a Fresnel lens (9), and laser emitted by the laser module (8) is projected on the projection plate (7) after passing through the Fresnel lens (9).
4. The detection device for the laser lighting module according to claim 1, wherein: the industrial personal computer (1) adopts an MCU controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022689207.8U CN213580026U (en) | 2020-11-19 | 2020-11-19 | Detection apparatus for laser lighting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022689207.8U CN213580026U (en) | 2020-11-19 | 2020-11-19 | Detection apparatus for laser lighting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213580026U true CN213580026U (en) | 2021-06-29 |
Family
ID=76538925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022689207.8U Active CN213580026U (en) | 2020-11-19 | 2020-11-19 | Detection apparatus for laser lighting module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213580026U (en) |
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2020
- 2020-11-19 CN CN202022689207.8U patent/CN213580026U/en active Active
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