Automobile ignition coil performance testing device and method
An automotive ignition coil and ignition coil technology, applied in engine ignition, spark ignition controller, engine components, etc., can solve problems such as low efficiency, complex operation, incomplete test parameters, etc., to achieve convenient tracking, accurate detection data, Comprehensive effect of detection data
Active Publication Date: 2018-04-10
武汉菱电汽车电控系统股份有限公司
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Problems solved by technology
[0003] At present, the performance testing of automobile ignition coils requires the use of engine benches and traditional oscilloscopes. Employees need to replace the ignition coils to be tested, run the engine to observe whether there is a lack of cylinders, and then use the oscilloscope to collect primary power and current signals for judgment. The operation is complicated and the test parameters are not accurate. comprehensive, inefficient
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[0064] Below in conjunction with accompanying drawing and example the present invention is described in detail:
[0065] 1. Overall
[0066] Such as figure 1 , the device includes the working object—ignition coil 00;
[0067] A signal acquisition unit 10, a high voltage load unit 20, an ignition coil power supply control unit 30, an ignition signal generation unit 40, and a signal control and detection unit 50 are provided;
[0068] The ignition coil 00 includes a primary coil 01 and a secondary coil 02;
[0069] Described signal acquisition unit 10 comprises PV-type high voltage probe 11, PI-type current probe 12, oscilloscope 13, current clamp 14 and 100 times of attenuation probe 15;
[0070] The ignition coil power supply control unit 30 includes a voltage adjustable power supply 31 and a nixie tube voltmeter 32;
[0071] Described ignition signal generation unit 40 comprises PIC single-chip microcomputer 41 and ignition coil low side drive transistor 42;
[0072] The...
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The invention discloses a performance detection device of an automobile ignition coil and a method of the performance detection device, and relates to the performance detection technology of automobile ignition coils. The device comprises the ignition coil (00). A signal collection unit (10), a high-voltage load unit (20), an ignition coil power control unit (30), an ignition signal generation unit (40) and a signal control and detection unit (50) are arranged. The current output end (12-1) of a PI-type current probe (12) and the high-voltage load unit (20) are connected to provide various load combinations under the test condition of the ignition coil (00). A LABVIEW human-computer interaction interface (51) and a database (52) are connected, and testing data are stored and tracked. According to the performance detection device and the method, detection data are comprehensive and accurate; high-voltage loads can be combined freely; the database functions of information storage and inquiry and the like are achieved, and product tracking is facilitated; and a low-cost ignition coil performance detection scheme is achieved, and the performance detection device and the method are suitable for performance detection of the various automobile ignition coils.
Description
technical field [0001] The invention relates to a performance detection technology of an automobile ignition coil, in particular to an automobile ignition coil performance detection device and a method thereof. Background technique [0002] With the acceleration of the modernization process of the automobile industry, electronic ignition technology and its products have been widely used. Ignition coil is a key component of automobile ignition system, and its performance directly affects the power performance, fuel economy and exhaust purification quality of the vehicle. In order to ensure the power performance and environmental protection performance of the whole vehicle, it is necessary to simulate various working conditions of the engine, and conduct an online full inspection of its performance parameters during the mass production process of the ignition coil. Therefore, the development of a modern ignition coil detection system with independent intellectual property rig...
Claims
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IPC IPC(8): F02P17/00
CPCF02P17/00
Inventor 周良润王和平
Owner 武汉菱电汽车电控系统股份有限公司