Intelligent Low-Voltage Molded Case Circuit Breaker Controller Based on Ethernet Communication
A molded case circuit breaker and Ethernet technology, applied in circuit devices, information technology support systems, electrical components, etc., can solve the problems of no liquid crystal display, single detection and protection functions, and low intelligence
Active Publication Date: 2015-08-05
SHANGHAI MOLESITONG ELECTRICAL
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- Description
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Problems solved by technology
Existing intelligent low-voltage molded case circuit breakers have single detection and protection functions, generally have no liquid crystal display, cannot display power parameters in real time, are not highly intelligent, do not have Ethernet networking communication functions, and cannot meet the applications in smart grids need
Method used
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[0044] The present invention will be further described below in conjunction with the accompanying drawings.
[0045] The present invention is composed of power supply and tripping circuit, MCU circuit, data acquisition circuit, man-machine interface circuit, communication module and remote control module. The system composition is as follows: figure 1 shown. The main program flow of the controller is as follows: figure 2 shown.
[0046] The power supply and tripping circuit includes a rectification circuit, a self-generated power supply circuit, an external power supply interface and a tripping interface circuit, and a system working power supply circuit.
[0047] The rectifier circuit includes a first rectifier bridge BG1, a second rectifier bridge BG2, a third rectifier bridge BG3, a fourth rectifier bridge BG4, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a Eighth resistor R8, ninth resistor R9, tenth resistor R10, eleventh resist...
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The invention discloses an intelligent low-voltage molded case circuit breaker controller based on the Ethernet communication. The intelligent low-voltage molded case circuit breaker controller based on the Ethernet communication comprises a power supply and trip circuit, a MCU circuit, a data acquisition circuit, a human-computer interface circuit, a communication module and a remote control module, wherein the power supply and trip circuit comprises a rectifying circuit, a self-generated power supply circuit, an external power supply interface and trip interface circuit and a system working power supply circuit; the data acquisition circuit comprises a current acquisition circuit and a voltage acquisition circuit; the human-computer interface circuit comprises a liquid crystal display circuit, an LED circuit, a keying circuit and a code switch circuit; the communication module comprises an Ethernet interface circuit and an RS485 interface circuit; the remote control circuit comprises an execution circuit, a state output circuit and a feedback circuit. The intelligent low-voltage molded case circuit breaker controller based on the Ethernet communication can dynamically monitor and display various electrical parameters, carry out real-time data interaction with a remote monitoring terminal through the Ethernet and achieve telemetering, remote control, remote communication and remote regulation on an on-site circuit breaker.
Description
technical field [0001] The invention relates to a controller, in particular to an intelligent low-voltage molded case circuit breaker controller based on Ethernet communication. Background technique [0002] Low-voltage molded case circuit breakers are widely used in low-voltage power distribution systems and are the basis of power distribution networks. Existing intelligent low-voltage molded case circuit breakers have single detection and protection functions, generally have no liquid crystal display, cannot display power parameters in real time, are not highly intelligent, do not have Ethernet networking communication functions, and cannot meet the applications in smart grids need. With the development of the national economy and the gradual expansion of urban and rural distribution networks, whether in terms of power generation, transmission, distribution or electricity consumption, people's automatic control, management level and intelligence of the power system in mon...
Claims
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IPC IPC(8): H02J13/00
CPCY04S40/124Y02B90/2638Y02B90/20
Inventor 周亚军徐平李晓军颜喜清陈文博
Owner SHANGHAI MOLESITONG ELECTRICAL