Electric control device system for mining elevator and control method thereof
A control method and technology of electronic control devices, applied in general control systems, electrical program control, control/regulation systems, etc., can solve problems such as hidden dangers in production safety, inability to stop, and lack of any protection system, so as to improve production efficiency and prevent The effect of further expansion of the accident
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[0022] The technical scheme of the present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0023] The electronic control device system is composed of five parts: motor forward and reverse running control, inverter frequency setting, working gate control, safety gate control and two-wire control.
[0024] Such as figure 1 As shown, the motor forward and reverse operation control part includes: a first PLC (101), a second PLC (102), relay one (103), relay two (104), frequency converter (105), motor (106); The first output point (1011) of the first PLC (101) and the first output point (1021) of the second PLC (102) are connected to the control coil (1031) of the relay one (103), and the normal of the relay one (103) The open contact (1032) is connected to the forward rotation control port (1051) of the inverter (105), the second output point (1012) of the first PLC (101) and the second output point (1022) of the second P...
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