Automobile ignition coil insulation performance test board and using method

A technology for the insulation performance of automobile ignition coils, applied in the direction of testing dielectric strength, etc., can solve the problems of inapplicable ignition coil insulation test requirements, inability to simulate the actual working conditions of ignition coils, low efficiency, etc., to improve test efficiency and level, Stable and reliable performance, simple and convenient operation

Inactive Publication Date: 2018-05-15
SPARKTRONIC
7 Cites 2 Cited by

AI-Extracted Technical Summary

Problems solved by technology

However, the functions and applications of insulation testing equipment currently on the market are not suitable for the insulation testing requirements of ignition coils
First, the test voltage cannot reach the hig...
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Abstract

The invention relates to an automobile ignition coil insulation performance test board and a using method. The automobile ignition coil insulation performance test board comprises a timer, a signal generator, a cable, a steel ball groove, a steel ball, a sensor, and an oscilloscope. A steel ball is arranged in the steel ball groove, the signal generator is electrically connected with the timer; the timer is connected with one end of the cable; the other end of the cable is used for stripping a cable sheath to be connected with a to-be-measured ignition coil, the outgoing line of the sensor isfixed on the outer shell of the steel ball groove, and is electrically connected with the steel ball groove shell to be grounded through the sensor, and the signal output end of the sensor is connected with the oscilloscope. The steel ball serves as a test medium, when the 30 KV high voltage is generated in the ignition coil, the steel ball generates a discharge phenomenon, and the insulation performance of the ignition coil is tested through the discharge pulse, the ignition coil insulation instrument has the beneficial effects that the problem that the overall insulation performance of the ignition coil is tested is effectively solved, the performance is stable and reliable, the test is accurate, the operation is simple and convenient, and the test efficiency and level are improved.

Application Domain

Testing dielectric strength

Technology Topic

Ignition coilEngineering +9

Image

  • Automobile ignition coil insulation performance test board and using method

Examples

  • Experimental program(1)

Example Embodiment

[0013] Such as figure 1 As shown, an automobile ignition coil insulation performance test bench includes a timer 1, a signal generator 2, a cable 3, a steel ball groove 4, a steel ball 5, a sensor 6, and an oscilloscope 7. It is characterized in that the steel ball groove 4 is made of metal, Built-in steel ball 5, the diameter of steel ball 5 is Φ3mm, signal generator 2, timer 1 electrical connection, timer 1 is connected to one end of cable 3, and the other end of cable 3 is connected to the ignition coil under test by stripping off the cable sheath, and the lead wire of sensor 6 is fixed On the shell of the steel ball tank 4, and the electrical appliance is connected to the shell of the steel ball tank 4 through the sensor 6, the signal output terminal of the sensor 6 is connected to the oscilloscope 7.
[0014] The method of use includes the following steps,
[0015] Step 1. In accordance with the test standard, set the time of timer 1 insulation test;
[0016] Step 2: Set the parameters of the ignition signal generator 2 according to the tested ignition coil model;
[0017] Step 3. One end of the cable 3, stripped of the cable sheath, is connected to the terminal of the coil under test, and the coil under test is placed in the steel ball 5 in the steel ball groove 4, and all are buried;
[0018] Step 4: Start the ignition signal generator, the ignition coil starts to work, and a high voltage of about 30KV is generated inside the ignition coil;
[0019] Step 5. Check the waveform of the oscilloscope 7 to see if there is a discharge pulse from the steel ball on the outer wall of the ignition coil. "Yes" means that the leakage is unqualified, and "no" means that they are qualified.

PUM

PropertyMeasurementUnit
Diameter3.0mm

Description & Claims & Application Information

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