Visible alarm device for draw-out high voltage switch cabinet
A high-voltage switchgear and alarm device technology, applied in the field of visual alarm devices, can solve the problem of not being used to observe the valve of the circuit breaker room
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[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] like figure 1 shown. The device of the present invention includes a display 1, a video doorbell circuit 2, a miniature camera 3, an alarm and trip circuit 4, a drive circuit 5, a processor 6, an analog-to-digital conversion circuit 7, an arc sensor 8, a temperature sensor 9, a control unit 10 and a power supply Module 11. Display 1 is a 7-inch display whose model number is FRD-YFT-70040P. The video doorbell circuit 2 is connected with the miniature camera 3 . The power supply module 11 is a regulated power supply whose model is S8JD, providing 5VDC and 24VDC. The control unit 10 is a control circuit composed of a processor 6 and peripheral circuits, a video doorbell circuit 2 , a drive circuit 5 , an alarm and trip circuit 4 and an analog-to-digital conversion circuit 7 .
[0016] like figure 2 shown. The display 1 is installed on the instrument door of ...
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