Energizing protection method and device of contactor
A protection device and contactor technology, applied in circuits, relays, electrical components, etc., can solve the problems of complex application environment of air conditioners, coil heating, and contactors not being able to pull in normally.
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[0044] It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0045] In the present invention, the input end of the contactor is used to connect to alternating current, and the output end is used to connect to the load, and the contactor of the contactor is attracted or disconnected to realize the control of the load on or off.
[0046] Reference figure 1 , figure 1 It is a schematic flow diagram of the first embodiment of the power-on protection method of the contactor of the present invention; figure 1 As shown, the power-on protection method of the contactor of this embodiment includes the following steps:
[0047] Step S10: When receiving the power-on instruction of the contactor, obtain the ambient temperature of the contactor.
[0048] A temperature sensor is provided on the periphery of the contactor to detect the ambient temperature of the contactor. For example, when a co...
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