Isolated low power consumption automatic switching communication device
The invention discloses an isolated low power consumption automatic switching communication device, and belongs to the technical field of communications. The scheme is as follows: an input end of a power supply interface strong current protection circuit is connected with a power supply interface, a...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
28.09.2018
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses an isolated low power consumption automatic switching communication device, and belongs to the technical field of communications. The scheme is as follows: an input end of a power supply interface strong current protection circuit is connected with a power supply interface, and a voltage output end of the power supply interface strong current protection circuit is connectedwith equipment to be powered orderly through a wide voltage power supply step-down circuit, a variable frequency drive push-pull output boost isolating circuit, a low dropout output voltage stabilizing circuit, and a power supply automatic switching voltage-loss-free output circuit; an input end of the power supply automatic switching voltage-loss-free output circuit is connected with a battery;and an RS485 communication strong current protection circuit is connected with an optically coupled isolation communication circuit for two-way communication, and an output end of the optically coupled isolation communication |
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Bibliography: | Application Number: CN201810637773 |