Production method for utilizing electric sparks to remove relay touch oxidation film

Abstract

The invention discloses a production method for utilizing electric sparks to remove relay touch oxidation film. The production method comprises the following steps of 1, preparing the following materials of a 220 V eight-channel output LOGO or a PLC, a 120 ohm 200 W resistor, a time relay, a seesaw switch, a voltage adjusting plate, a machine case, several common electronic elements and several consumables; 2, conducting wiring construction, main wiring function requirements comprise 1), applying a starting and stopping circuit of a power source; 2), applying a circuit of power supply switching and jump frequency of a part to be processed; 3), utilizing a LOGO output relay to achieve the function of scanning all sets of touches which need to be deoxidized; 4), applying an electric touch deoxidization current adjusting circuit; 5), applying an indicating circuit of a power supply limit, current display and channel work. Oxidization film of electric touches of a relay and other electrical elements can be removed, and the production method is reasonable, convenient to implement and suitable for popularization.

Description

technical field [0001] The invention relates to the technical field of removing oxide films of relay contacts by electric sparks, in particular to a production method for removing oxide films of relay contacts by electric sparks. Background technique [0002] In the rail transit industry, in order to ensure the stability of the train, the electrical components installed on the train must be tested, and there are strict requirements on the resistance value of the electrical contacts. Generally, the resistance value should be below 1 ohm. In this Under the standard, electrical components with electronic contacts such as relays and contactors after being stored in the warehouse for a period of time are difficult to pass the test, mainly because similar components have a layer of oxidation on the surface of the electrical contacts after being stored in the warehouse Membrane, the resistance value is very unstable, which poses a great threat to the stable operation of the vehicle...

AI Technical Summary

Problems solved by technology

[0002] In the rail transit industry, in order to ensure the stability of the train, the electrical components installed on the train must be tested, and there are strict requirements on the resistance value of the electrical contacts. Generally, the resistance value should be below 1 ohm. In this Under the standard, electrical components with electronic contacts such as relays and contactors after being stored in the warehouse for a period of time are difficult to pass the test, mainly because similar components have a layer of oxidation on the surface of the electrical contacts after being stored in the warehouse Membrane, the resistance value is very unstable, which poses a great threat to the stable operation of the vehicle

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