A Redundant Controller Switching Device for Emergency Diesel Generator Sets Configured in Parallel
A diesel generator set and switching device technology, which is applied in general control systems, control/regulation systems, instruments, etc., can solve the problems of being unable to equip redundant controllers for effective switching and poor operating reliability of emergency diesel generator sets
Active Publication Date: 2017-02-22
SHANGHAI COOLTECH POWER
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a redundant controller switching device for emergency diesel generating sets arranged in parallel, which can solve the problem that there is only one controller for the current emergency diesel generating The remaining controllers are switched over effectively, which leads to the problem of poor operation reliability of emergency diesel generator sets
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[0017] see figure 1 In order to better understand the technical solution of the present invention, the inventors of the present invention will describe in detail the following specific embodiments in conjunction with the accompanying drawings:
[0018] see figure 1 , a redundant controller switching device for emergency diesel generating sets configured in parallel according to the present invention includes a first controller 1 and a second controller 2, and the first controller 1 is integrated with a first main relay 11 and a first A self-test relay 12 , and a first detection signal input port 13 and a first confirmation signal input port 14 . Both the first main relay 11 and the first self-test relay 12 are provided with a signal output port. The second controller 2 is integrated with a second main relay 21 and a second self-test relay 22 , as well as a second detection signal input port 23 and a second confirmation signal input port 24 . Both the second main relay 21 an...
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The invention discloses redundant controller switching devices arranged side by side and used for an emergency diesel-electric generator set. The redundant controller switching devices comprise a first controller and a second controller. A first main relay and a first self-inspection relay are integrated on the first controller and are each provided with a signal output port, and a second main relay and a second self-inspection relay are integrated on the second controller and are each provided with a signal output port; the first controller is further provided with a first detection signal input port and a first confirmation signal input port, and the second controller is further provided with a second detection signal input port and a second confirmation signal input port; the signal output port of the first main relay is connected with the second detection signal input port, and the signal output port of the second main relay is connected with the first detection signal input port; the signal output port of the first self-inspection relay is connected with the second confirmation signal input port, and the signal output port of the second self-inspection relay is connected with the first confirmation signal input port.
Description
technical field [0001] The invention relates to a redundant controller switching device for emergency diesel generator sets arranged in parallel in the field of diesel generator sets. Background technique [0002] Diesel generator set is a kind of power equipment that uses diesel engine as prime mover and drives synchronous generator to generate electricity. This is a power generation device with quick start, convenient operation and maintenance, low investment and strong adaptability to the environment. Diesel generator sets are mainly divided into four parts: diesel engine, generator, control system, and electrical system. The control system controls the operation of the diesel generator set according to the set parallel state and has functions such as alarm and shutdown in the fault state. machine status, to maintain continuity and reliability of power supply. [0003] The control mode of the existing control system usually adopts one diesel generator set to be control...
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IPC IPC(8): G05B9/03
Inventor 胡耀军庄衍平许乃强王瑞峰
Owner SHANGHAI COOLTECH POWER