Vehicle explosion-proof keyboard lock control device
A keypad lock and keypad technology, applied to instruments, time registers, individual input port/output port registers, etc., can solve the problems of inability to realize automatic control of the electronic seal system, easily lost or damaged cards in the card swiping system, and adaptability To achieve the effect of great safety significance, reasonable structure and circuit design, and reasonable layout
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[0028] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0029] figure 1 with figure 2 As shown, the vehicle-mounted explosion-proof keyboard lock control device of the present invention is a novel box structure, and the device includes an explosion-proof box 1 arranged on the fuel tank of a tank truck. The front end cover 11 at the opening is sealed and connected; the explosion-proof box 1 is provided with a keyboard board, a main control board and connecting wires; the keyboard board is installed on the front end cover 11, and its information output terminal is connected to the main control board; the main control board It is connected with the oil port lock of the tank truck to control the opening or closing of the oil port lock.
[0030] The wall surface of the housing 10 is integrally formed by an explosion-proof surface, and the front end cover 11 is an explosion-proof surface, and the...
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