CN108627750B - LED car light driver on-line measuring system - Google Patents
LED car light driver on-line measuring system Download PDFInfo
- Publication number
- CN108627750B CN108627750B CN201810061808.9A CN201810061808A CN108627750B CN 108627750 B CN108627750 B CN 108627750B CN 201810061808 A CN201810061808 A CN 201810061808A CN 108627750 B CN108627750 B CN 108627750B
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- card
- lamp driver
- industrial computer
- led car
- car lamp
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- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
Abstract
The invention discloses an on-line detection system for an LED car lamp driver, and belongs to the technical field of intelligent detection. The device comprises a data acquisition control system, a linear guide rail and a tool. The system CAN test the performance of the LED car lamp driver, the on-off of the LED car lamp driver is controlled through the CAN bus, the current card is used for testing the signals of all paths of currents in the LED car lamp driver, the threshold value of each tested signal CAN be independently set, and when the acquired signal exceeds the set threshold value, the system alarms to inform the tester to check the failure cause, so that the coverage and the accuracy of the detection of the LED car lamp driver are improved, the equipment is reliable, the operation is easy, and the reliability of the product manufacturing quality is greatly improved.
Description
Technical Field
The invention belongs to the technical field of intelligent detection, and particularly relates to an on-line detection system for an LED car lamp driver.
Background
With the rapid development of the automobile industry at home and abroad, the automobile lamp is developed from a single lighting function to a multifunctional and intelligent direction. Halogen lamps are gradually replaced by LED lamps as a traditional lamp lighting means, and the LED lamp driver can realize more complex functions of the headlamp by intelligently controlling the change of LEDs. As an important tool for safe driving and illumination of automobiles, performance detection of LED lamp drivers is extremely important. The common detection means only tests the internal circuit of the car lamp driver, and detects the on-off and welding reliability of the circuit. However, the performance test of the LED car lamp driver is insufficient, and the car lamp driver is not functionally tested by combining with the car CAN bus command, so that the coverage and the accuracy of the detection are not high.
Disclosure of Invention
In order to solve the defects of low coverage and accuracy of detection, the invention provides an LED car lamp driver on-line detection system with high efficiency and reliable detection quality.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the system comprises a data acquisition control system, a linear guide rail and a tool, wherein the data acquisition control system comprises an industrial computer, a current card, an A/D card, a CAN bus communication card and a motion control card, the current card, the A/D card and the motion control card are all arranged in the industrial computer, the CAN bus communication card is connected with the industrial computer, the industrial computer sends CAN instructions to control the action of the LED lamp driver, the current card acquires signals of all paths of currents in the LED lamp driver in real time, the A/D card acquires voltages of a temperature module in the LED lamp driver in real time, the data acquired by the current card and the A/D card in real time are compared with a preset value of an upper computer software module, the motion control card controls the linear guide rail to move up and down, and the linear guide rail drives a test probe to vertically move up and down to correspond to a connector interface of the LED lamp driver;
the linear guide rail is integrated with a motion control cylinder;
the fixture comprises a test probe and a fixture for fixing the LED car lamp driver.
Further, the upper computer software module of the industrial computer is used for setting detection current and voltage thresholds, sending out detection instructions and displaying detection results;
the electric control module of the industrial computer controls the linear guide rail to move through the motion control card.
Further, the CAN bus communication card is connected with the industrial computer through the USB interface, and the industrial computer sends out instructions to the LED car lamp driver through the CAN bus communication card to control the action of the LED car lamp driver.
Further, the current card, the a/D card and the motion control card are installed in the industrial computer through the PCI bus.
The beneficial effects are that:
the invention CAN test the performance of the LED car lamp driver, controls the on-off of the LED car lamp driver through the CAN bus, adopts the current card to test the signals of each path of current in the LED car lamp driver, and the threshold value of each tested signal CAN be independently set.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
in the figure: the system comprises a 1-data acquisition control system, an 11-industrial computer, a 12-current card, a 13-A/D card, a 14-CAN bus communication card, a 15-motion control card, a 2-linear guide rail, a 3-tool, a 31-test probe, a 32-clamp and a 4-LED car lamp driver.
Detailed Description
The invention will be further described with reference to the drawings and examples.
The embodiment provides an LED car lamp driver on-line detection system, as shown in figure 1, which comprises a data acquisition control system 1, a linear guide rail 2 and a tool 3, wherein the data acquisition control system 1 comprises an industrial computer 11, a current card 12, an A/D card 13, a CAN bus communication card 14 and a motion control card 15, the current card 12, the A/D card 13 and the motion control card 15 are arranged in the industrial computer 11 through PCI buses, the CAN bus communication card 14 is connected with the industrial computer 11 through USB interfaces, the industrial computer 11 sends instructions to the LED car lamp driver 4 through the CAN bus communication card 14 to control the action of the LED car lamp driver 4, the current card 12 acquires signals of all paths of currents in the LED car lamp driver 4 in real time, the A/D card 13 collects the voltage of the temperature module in the LED car lamp driver 4 in real time, the upper computer software module of the industrial computer 11 is used for setting detection current and voltage threshold values, sending out detection instructions, displaying detection results, comparing the data collected by the current card 12 and the A/D card 13 in real time with the preset value of the upper computer software module, judging fault alarm if the data collected in real time exceeds the preset value, controlling the linear guide rail 2 to move up and down by the electric control module of the industrial computer 11 through the motion control card 15, and enabling the linear guide rail 2 to drive the test probe 31 to vertically move up and down, so that the test probe 31 corresponds to the connector interface of the LED car lamp driver 4, and ensuring accurate and good contact;
the linear guide rail 2 is integrated with a motion control cylinder;
the fixture 3 comprises a test probe 31 and a clamp 32, wherein the clamp 32 is used for fixing the LED lamp driver 4, so that the test probe 31 is in good contact with a connector of the LED lamp driver 4.
The system work flow of the invention is as follows: after the system is powered on and initialized, the states of all measuring ports are checked, CAN control instructions are called, the testing current and voltage range are set, the current card 12 measures the LED driving current, and the A/D sampling card 13 collects the temperature module voltage. The upper computer software module sets a data acquisition threshold value and displays the working state of the whole system. The data is recorded in the background memory in real time. If the acquired signal exceeds the signal threshold, the system alarms to prompt the detection personnel to process.
It should be apparent to those skilled in the art that various modifications or variations can be made in the present invention without requiring any inventive effort by those skilled in the art based on the technical solutions of the present invention.
Claims (3)
1. The utility model provides an LED car light driver on-line measuring system, it includes data acquisition control system (1), linear guide (2) and frock (3), its characterized in that: the data acquisition control system (1) comprises an industrial computer (11), a current card (12), an A/D card (13), a CAN bus communication card (14) and a motion control card (15), wherein the current card (12), the A/D card (13) and the motion control card (15) are all arranged in the industrial computer (11), the CAN bus communication card (14) is connected with the industrial computer (11), the industrial computer (11) sends CAN instructions to control the action of the LED lamp driver (4), the current card (12) acquires signals of various currents in the LED lamp driver (4) in real time, the A/D card (13) acquires voltages of a temperature module in the LED lamp driver (4) in real time, the data acquired by the current card (12) and the A/D card (13) in real time are compared with preset values of an upper computer software module,
the motion control card (15) controls the linear guide rail (2) to move up and down, and the linear guide rail (2) drives the test probe (31) to vertically move up and down to correspond to the connector interface of the LED car lamp driver (4); the linear guide rail (2) is integrated with a motion control cylinder; the tool (3) comprises a test probe (31) and a clamp (32) for fixing the LED car lamp driver (4); the upper computer software module of the industrial computer (11) is used for setting detection current and voltage thresholds, sending out detection instructions and displaying detection results; the electric control module of the industrial computer (11) controls the linear guide rail (2) to move through the motion control card (15).
2. The LED lamp driver on-line detection system of claim 1, wherein: the CAN bus communication card (14) is connected with the industrial computer (11) through the USB interface, and the industrial computer (11) sends out instructions to the LED car lamp driver (4) through the CAN bus communication card (14) to control the LED car lamp driver (4) to act.
3. The LED lamp driver on-line detection system of claim 1, wherein: the current card (12), the A/D card (13) and the motion control card (15) are arranged in the industrial computer (11) through a PCI bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061808.9A CN108627750B (en) | 2018-01-23 | 2018-01-23 | LED car light driver on-line measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061808.9A CN108627750B (en) | 2018-01-23 | 2018-01-23 | LED car light driver on-line measuring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108627750A CN108627750A (en) | 2018-10-09 |
| CN108627750B true CN108627750B (en) | 2024-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810061808.9A Active CN108627750B (en) | 2018-01-23 | 2018-01-23 | LED car light driver on-line measuring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108627750B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113867313A (en) * | 2021-09-24 | 2021-12-31 | 中广核检测技术有限公司 | Motion control and diagnosis system for nuclear power in-service inspection automation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202974626U (en) * | 2012-09-06 | 2013-06-05 | 福州超宏自动化设备有限公司 | Novel vehicle lamp light checking device |
| CN206710572U (en) * | 2017-03-29 | 2017-12-05 | 常州星宇车灯股份有限公司 | A kind of LED driver detection means |
| CN208421152U (en) * | 2018-01-23 | 2019-01-22 | 常州星宇车灯股份有限公司 | A kind of LED car lamp driver on-line detecting system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM431329U (en) * | 2012-01-10 | 2012-06-11 | Sirius Light Technology Co Ltd | Vehicle lamp status detection device |
-
2018
- 2018-01-23 CN CN201810061808.9A patent/CN108627750B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202974626U (en) * | 2012-09-06 | 2013-06-05 | 福州超宏自动化设备有限公司 | Novel vehicle lamp light checking device |
| CN206710572U (en) * | 2017-03-29 | 2017-12-05 | 常州星宇车灯股份有限公司 | A kind of LED driver detection means |
| CN208421152U (en) * | 2018-01-23 | 2019-01-22 | 常州星宇车灯股份有限公司 | A kind of LED car lamp driver on-line detecting system |
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| Publication number | Publication date |
|---|---|
| CN108627750A (en) | 2018-10-09 |
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