CN202956393U - Automobile rotating speed sensor test table - Google Patents
Automobile rotating speed sensor test table Download PDFInfo
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- CN202956393U CN202956393U CN 201220683655 CN201220683655U CN202956393U CN 202956393 U CN202956393 U CN 202956393U CN 201220683655 CN201220683655 CN 201220683655 CN 201220683655 U CN201220683655 U CN 201220683655U CN 202956393 U CN202956393 U CN 202956393U
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Abstract
The utility model relates to an automobile rotating speed sensor test table for testing an automobile rotating speed sensor. A digital rotating speed meter, a digital voltage meter, a motor speed regulating knob, a computer switch, a power switch, a multifunctional wiring seat and a liquid crystal display are respectively arranged on a panel of the test table. A control circuit, a servo control system, a computer system with a digital acquisition card, a precise power supply and a servo motor are respectively arranged in a shell of the test table. The liquid crystal display is connected with the computer system, a test signal wheel is connected with a servo motor shaft which penetrates through a table surface of the test table, and a test tool is arranged on the table surface of the test table. The automobile rotating speed sensor test table has the advantages that by operating a test software system, a rotating speed sensor to be tested is automatically tested; rotating speeds are automatically switched; output signals of the rotating speed sensor to be tested at different rotating speeds are tested; a red lamp or a green lamp displays whether a product is qualified; test errors are reduced; test efficiency and test accuracy are improved; and test operation is simple and efficient.
Description
Technical field
The utility model relates to the automobile sensor testing apparatus, relates in particular to a kind of automobile rotating speed sensor test board that is applicable to the automobile rotating speed sensor test.
Background technology
Along with the raising of automobile popularity rate, the enterprise that produces automobile rotating speed sensor is more and more.Produce automobile rotating speed sensor and must use the automobile rotating speed sensor test board, whether qualified with the testing automobile speed probe.Existing automobile rotating speed sensor test board adopts the mechanical switch speed-changing, the direct current generator of adjustable speed drives the signal wheel, adopt voltage table, oscillograph etc. to show test data and waveform, the waveform that the tester shows by observation oscilloscope and reading judge that whether product is qualified.Speed adjustable direct current motor is in the situation that extraneous voltage fluctuation is easy to cause rotary speed unstabilization, thus affect test data accurately, and if oscillographic reading at the bound of contiguous standard-required in limited time, be difficult to judge that whether product qualified.
Summary of the invention
In view of the deficiency of existing test board, the utility model provides a kind of automobile rotating speed sensor test board, thereby improves measuring accuracy, promotes testing efficiency, makes product test simple to operate, safe and reliable, reduces the test erroneous judgement.
For achieving the above object, the technical scheme adopted is the utility model: a kind of automobile rotating speed sensor test board comprises the test signal wheel, servomotor is characterized in that: also comprise test board, control circuit, servo-control system, the computer system of test software programs is housed, Data Acquisition Card, accurate stabilized voltage supply, test fixture, digital revmeter, digital voltmeter, the electric machine speed regulation knob, computer switch, power switch, multifunctional wire holder, liquid crystal display, be respectively equipped with digital revmeter on the panel of described test board, digital voltmeter, the electric machine speed regulation knob, computer switch, power switch, multifunctional wire holder, liquid crystal display is respectively equipped with control circuit in the test board housing, servo-control system, the computer system of Data Acquisition Card is housed, precision voltage source, servomotor, described liquid crystal display is connected with computer system, and described test signal wheel is connected with the servo motor shaft through examination platform table top, and test fixture is arranged on the test board table top, and the circuit of described control circuit is connected to, and controls triode Q1, control triode Q2, control triode Q3, control triode Q4, control the base stage of triode Q5 respectively by resistance R 2, resistance R 4, resistance R 6, resistance R 8, resistance R 10 meets the PortOut1 of Data Acquisition Card IO port, PortOut2, PortOut3, PortOut4, PortOut5, resistance R 1, resistance R 3, resistance R 5, resistance R 7, resistance R 9, one termination power DC12V of resistance R 11 and respectively with interface J1, 1 pin of interface J2 connects, 2 pin of interface J1, 3 pin connect the interface of digital revmeter, the 3 pin ground connection of interface J1,2 pin of interface J2, 3 pin connect the signal input part of Data Acquisition Card, the 3 pin ground connection of interface J2, resistance R 1, resistance R 3, resistance R 5, the other end of resistance R 7 connects respectively controls triode Q1, control triode Q2, control triode Q3, control the collector of triode Q4 and meet respectively servo-control system SRVON, RST, CLRALAM, the control end of START, another termination of resistance R 9 is controlled the collector of triode Q5 and is passed through 5 pin of relay K 1, 4 pin meet power supply DC12V, control triode Q1, control triode Q2, control triode Q3, control triode Q4, control the emitter difference ground connection of triode Q5, 1 pin of relay K 1 connects the SPEED control end of servo-control system, 3 pin meet the PortOut7 of Data Acquisition Card IO port, 2 pin connect adjustable end 3 pin of adjustable resistance R12, the other end of the control end 2 pin connecting resistance R11 of adjustable resistance R12, the control end 1 pin ground connection of adjustable resistance R12, accurate stabilized voltage supply is to control circuit, digital voltmeter provides the DC12V power supply.
The advantage of the utility model technology is: by the operation to software system, automatically test speed probe to be measured, the automatic switchover rotating speed, test the output signal of speed probe to be measured under different rotating speeds, show that with red light or green light whether product is qualified, reduce test error, improve testing efficiency and measuring accuracy, make test operation simply efficient.
The accompanying drawing explanation
Fig. 1 is front elevational schematic of the present utility model;
Fig. 2 is schematic rear view of the present utility model;
Fig. 3 is test fixture structural representation of the present utility model;
Fig. 4 is control circuit schematic diagram of the present utility model.
Embodiment
As Fig. 1, 2, 3, shown in 4, a kind of automobile rotating speed sensor test board, comprise test signal wheel 7, servomotor 9, also comprise test board 17, control circuit 1, servo-control system 2, the computer system 4 of test software programs is housed, Data Acquisition Card 5, accurate stabilized voltage supply 6, test fixture 8, digital revmeter 10, digital voltmeter 11, electric machine speed regulation knob 12, computer switch 13, power switch 14, multifunctional wire holder 15, liquid crystal display 16, be respectively equipped with digital revmeter 10 on the panel of test board 17, digital voltmeter 11, electric machine speed regulation knob 12, computer switch 13, power switch 14, multifunctional wire holder 15, liquid crystal display 16 is respectively equipped with control circuit 1 in test board 17 housings, servo-control system 2, the computer system 4 of Data Acquisition Card 5 is housed, precision voltage source 6, servomotor 9, liquid crystal display 16 is connected with computer system 4, and test signal wheel 7 is connected with the servo motor shaft through examination platform table top, and test fixture 8 is arranged on the test board table top, and the circuit of control circuit 1 is connected to, and controls triode Q1, control triode Q2, control triode Q3, control triode Q4, control the base stage of triode Q5 respectively by resistance R 2, resistance R 4, resistance R 6, resistance R 8, resistance R 10 meets the PortOut1 of the IO port of Data Acquisition Card 5, PortOut2, PortOut3, PortOut4, PortOut5, resistance R 1, resistance R 3, resistance R 5, resistance R 7, resistance R 9, one termination power DC12V of resistance R 11 and respectively with interface J1, 1 pin of interface J2 connects, 2 pin of interface J1, 3 pin connect the interface of digital revmeter 10, the 3 pin ground connection of interface J1,2 pin of interface J2, 3 pin connect the signal input part of Data Acquisition Card 5, the 3 pin ground connection of interface J2, resistance R 1, resistance R 3, resistance R 5, the other end of resistance R 7 connects respectively controls triode Q1, control triode Q2, control triode Q3, the collector that controls triode Q4 also meets respectively the SRVON of servo-control system 2, RST, CLRALAM, the control end of START, another termination of resistance R 9 is controlled the collector of triode Q5 and is passed through 5 pin of relay K 1, 4 pin meet power supply DC12V, control triode Q1, control triode Q2, control triode Q3, control triode Q4, control the emitter difference ground connection of triode Q5, 1 pin of relay K 1 connects the SPEED control end of servo-control system 2, 3 pin meet the PortOut7 of the IO port of Data Acquisition Card 5, 2 pin connect adjustable end 3 pin of adjustable resistance R12, the other end of the control end 2 pin connecting resistance R11 of adjustable resistance R12, the control end 1 pin ground connection of adjustable resistance R12, accurate stabilized voltage supply 6 is to control circuit 1, digital voltmeter 11 provides the DC12V power supply.
Test fixture 8 comprises slide block 8-1, baffle plate 8-2, holder 8-3, the orienting lug 8-4 that is provided with mesopore 8-41, dynamic resistance piece 8-5, screw mandrel 8-6, adjusting knob 8-7, two dynamic resistance piece 8-5 are fixed on orienting lug 8-4, several piece baffle plate 8-2 forms a cavity, orienting lug 8-4 is fixed on the openend of cavity, be provided with slide block 8-1 in cavity, the end of slide block 8-1 is fixed with holder 8-3, and the screw mandrel 8-6 be fixed together with adjusting knob 8-7 is spirally connected by screw and the slide block 8-1 of cavity one end-stopping plate; The axle center of the mesopore 8-41 of test fixture 8 orienting lug 8-4 and test signal wheel 7 is on a horizontal line.
The utility model is suitable for the test of various rotating speed sensor, regulates the air gap of speed probe to be measured and test signal wheel 7 by adjusting knob 8-7, after regulating, keeps locking.Data Acquisition Card 5 is connected with hardware system 1 by interface, hardware system 1 is connected with servo-control system 2, the electric interfaces of automobile rotating speed sensor to be measured is connected with Data Acquisition Card 5 by control circuit 1, Data Acquisition Card 5 collects the output signal data of speed probe, by the software system automatic data processing, show output waveform, calculate rising edge and negative edge time, calculate ceiling voltage and minimum voltage, calculate the pitch angle of rising edge or negative edge etc., satisfactory demonstration green light, undesirable demonstration red light.Software system is test speed probe data waveform to be measured preservation automatically automatically.
Software system comprises main interface and 4 the sub-interfaces nested with it, and main interface display system duty, test duration show, test NG/OK quantity and show, reach the save data order button, start testing button etc.; One of sub-interface is embedded in main interface, mainly shows the sensor test waveform; Two of sub-interface is embedded in main interface, mainly shows test data values and alarm setting value; Sub-interface three embedded in main interface, can set each sensor parameters value and preserve parameter value; Four of sub-interface is embedded in main interface, mainly sets the control parameter of card oscillograph and preserves parameter.
Claims (2)
1. an automobile rotating speed sensor test board, comprise test signal wheel (7), servomotor (9) is characterized in that: also comprise test board (17), control circuit (1), servo-control system (2), the computer system (4) of test software programs is housed, Data Acquisition Card (5), accurate stabilized voltage supply (6), test fixture (8), digital revmeter (10), digital voltmeter (11), electric machine speed regulation knob (12), computer switch (13), power switch (14), multifunctional wire holder (15), liquid crystal display (16), be respectively equipped with digital revmeter (10) on the panel of described test board (17), digital voltmeter (11), electric machine speed regulation knob (12), computer switch (13), power switch (14), multifunctional wire holder (15), liquid crystal display (16) is respectively equipped with control circuit (1) in test board (17) housing, servo-control system (2), the computer system (4) of Data Acquisition Card (5) is housed, precision voltage source (6), servomotor (9), described liquid crystal display (16) is connected with computer system (4), and described test signal wheel (7) is connected with the servo motor shaft through examination platform table top, and test fixture (8) is arranged on the test board table top, the circuit of described control circuit (1) is connected to, and controls triode Q1, control triode Q2, control triode Q3, control triode Q4, control the base stage of triode Q5 respectively by resistance R 2, resistance R 4, resistance R 6, resistance R 8, resistance R 10 meets the PortOut1 of Data Acquisition Card (5) IO port, PortOut2, PortOut3, PortOut4, PortOut5, resistance R 1, resistance R 3, resistance R 5, resistance R 7, resistance R 9, one termination power DC12V of resistance R 11 and respectively with interface J1, 1 pin of interface J2 connects, 2 pin of interface J1, 3 pin connect the interface of digital revmeter (10), the 3 pin ground connection of interface J1,2 pin of interface J2, 3 pin connect the signal input part of Data Acquisition Card (5), the 3 pin ground connection of interface J2, resistance R 1, resistance R 3, resistance R 5, the other end of resistance R 7 connects respectively controls triode Q1, control triode Q2, control triode Q3, control the collector of triode Q4 and meet respectively servo-control system (2) SRVON, RST, CLRALAM, the control end of START, another termination of resistance R 9 is controlled the collector of triode Q5 and is passed through 5 pin of relay K 1, 4 pin meet power supply DC12V, control triode Q1, control triode Q2, control triode Q3, control triode Q4, control the emitter difference ground connection of triode Q5, 1 pin of relay K 1 connects the SPEED control end of servo-control system (2), 3 pin meet the PortOut7 of Data Acquisition Card (5) IO port, 2 pin connect adjustable end 3 pin of adjustable resistance R12, the other end of the control end 2 pin connecting resistance R11 of adjustable resistance R12, the control end 1 pin ground connection of adjustable resistance R12, accurate stabilized voltage supply (6) is to control circuit (1), digital voltmeter (11) provides the DC12V power supply.
2. according to the described a kind of automobile rotating speed sensor test board of claim 1, it is characterized in that: described test fixture (8) comprises slide block (8-1), baffle plate (8-2), holder (8-3), be provided with the orienting lug (8-4) of mesopore (8-41), dynamic resistance piece (8-5), screw mandrel (8-6), adjusting knob (8-7), two described dynamic resistance pieces (8-5) are fixed on orienting lug (8-4), the described baffle plate of several piece (8-2) forms a cavity, orienting lug (8-4) is fixed on the openend of cavity, be provided with slide block (8-1) in cavity, one end of described slide block (8-1) is fixed with holder (8-3), the screw mandrel (8-6) be fixed together with described adjusting knob (8-7) is spirally connected by screw and the slide block (8-1) of cavity one end-stopping plate, the axle center of the mesopore (8-41) of test fixture (8) orienting lug (8-4) and test signal wheel (7) is on a horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683655 CN202956393U (en) | 2012-12-12 | 2012-12-12 | Automobile rotating speed sensor test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683655 CN202956393U (en) | 2012-12-12 | 2012-12-12 | Automobile rotating speed sensor test table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202956393U true CN202956393U (en) | 2013-05-29 |
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ID=48461958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220683655 Expired - Fee Related CN202956393U (en) | 2012-12-12 | 2012-12-12 | Automobile rotating speed sensor test table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202956393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407174A (en) * | 2014-12-02 | 2015-03-11 | 安徽江淮汽车股份有限公司 | Test bed for testing rotating speed sensor |
| CN105277743A (en) * | 2015-11-13 | 2016-01-27 | 桂林电子科技大学 | Pulse type engine rotating speed measuring instrument full-automatic detection device and method |
| CN107515313A (en) * | 2017-09-06 | 2017-12-26 | 长春中车轨道车辆有限公司 | City rail vehicle velocity sensor Detecting data and detection method |
-
2012
- 2012-12-12 CN CN 201220683655 patent/CN202956393U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407174A (en) * | 2014-12-02 | 2015-03-11 | 安徽江淮汽车股份有限公司 | Test bed for testing rotating speed sensor |
| CN104407174B (en) * | 2014-12-02 | 2017-06-09 | 安徽江淮汽车集团股份有限公司 | A kind of speed probe is test bed |
| CN105277743A (en) * | 2015-11-13 | 2016-01-27 | 桂林电子科技大学 | Pulse type engine rotating speed measuring instrument full-automatic detection device and method |
| CN107515313A (en) * | 2017-09-06 | 2017-12-26 | 长春中车轨道车辆有限公司 | City rail vehicle velocity sensor Detecting data and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20151212 |
|
| EXPY | Termination of patent right or utility model |