Device and method for detecting intensity of welding joint of electric resistance welding
A welding joint and strength detection technology, which is applied in the direction of resistance welding equipment, welding power supply, welding power supply, etc., can solve the problems of large fluctuations in the accuracy of measurement results, and a large amount of manpower and material resources.
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[0052] An embodiment of the present invention will be further described below in conjunction with the accompanying drawings.
[0053] Such as figure 1 As shown, a resistance welding joint strength detection device includes a voltage transformer for detecting the working voltage of the welding machine, a current transformer for detecting the working current of the welding machine, a displacement sensor for detecting the moving speed of the welding machine, and A temperature sensor for detecting the temperature of the welding rod, a humidity sensor for detecting the ambient humidity, a frequency sensor for detecting the working frequency of the welding machine, a filter circuit, a data acquisition chip, a central processing unit and a computer;
[0054] In the embodiment of the present invention, the JDG4-0.51000 / 100 model and the LZJC-10Q1000 / 5 model are selected for the voltage transformer and the current transformer respectively, and the working voltage and working current of...
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