Cold backup double-machine switching circuit
A dual-machine switching and cold backup technology, which is applied to circuit devices, electrical components, emergency power supply arrangements, etc., can solve problems such as system reconfiguration that cannot occur smoothly, optimize system reliability models, improve work reliability, and reduce long-term The effect of power consumption
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[0012] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0013] like figure 1 As shown, a cold backup dual-machine switching circuit includes a main machine part and a standby machine part corresponding to its circuit structure. The output of the secondary power conversion is respectively connected to the input of the host CPU controller and the input of the dog-biting electromechanical circuit. The output of the electromechanical circuit is connected to the host telemetry switch circuit.
[0014] The standby machine part includes a standby machine power supply circuit, a standby machine switch relay and a secondary power conversion of the standby machine connected in sequence, and the output of the secondary power conversion of the standby machine is respectively connected with the input of the CPU controller of the standby machine, the dog bite plus the main electrical circuit The input...
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