CN202749796U - Communicative intelligent electric leakage external device - Google Patents
Communicative intelligent electric leakage external device Download PDFInfo
- Publication number
- CN202749796U CN202749796U CN 201220360833 CN201220360833U CN202749796U CN 202749796 U CN202749796 U CN 202749796U CN 201220360833 CN201220360833 CN 201220360833 CN 201220360833 U CN201220360833 U CN 201220360833U CN 202749796 U CN202749796 U CN 202749796U
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- circuit
- microprocessor
- electric leakage
- external device
- intelligent electric
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Abstract
The utility model discloses a communicative intelligent electric leakage external device which comprises a microprocessor, a power circuit, a zero sequence current mutual inductor, an amplification filter circuit, a keyboard circuit, a releasing drive circuit and a magnetic flux transducer, wherein an output end of the zero sequence current mutual inductor is connected with an input end of the amplification filter circuit, an output end of the amplification filter circuit and an output end of the keyboard circuit are respectively connected with an input end of the microprocessor, an output end of the microprocessor is in serial connection with the releasing drive circuit and is connected with an input end of the magnetic flux transducer, and the power circuit respectively provides electricity to the microprocessor and the magnetic flux transducer. Connection and installation of the communicative intelligent electric leakage external device and a breaker can be conveniently achieved, and the communicative intelligent electric leakage external device can be conveniently disassembled on occasions that an electric leakage function is not needed. By means of communication of an upper computer and the intelligent electric leakage external device, the breaker is monitored by power distribution system management staff in remote control mode, circuit real-time data are read and analyzed, initiative for safety control and accidents is mastered, time of forced outage is shortened, and modernized operation management for a power distribution system is achieved.
Description
Technical field
The utility model relates to a kind of on-off controller, but relates in particular to a kind of Intelligent electric leakage external device of communication.
Background technology
Existing electric leakage module adopts the special-purpose integrated detection chip of electric leakage more on the market, and the auxiliary discrete component of adapted belongs to pure hardware circuit more again, does not have the function with upper machine communication.
Prior art can not can not detect the various functions of residual current circuit breaker at any time to line electrical leakage situation Real Time Monitoring, can not carry out flexible to electric leakage gear and electric leakage action delay time according to actual conditions, can not carry out remote detection and monitoring to circuit breaker.
The utility model content
But the utility model purpose is the Intelligent electric leakage external device that a kind of communication is provided for the defective that prior art exists.
The utility model adopts following technical scheme for achieving the above object:
But the Intelligent electric leakage external device of the utility model communication, comprise microprocessor, power circuit, zero sequence current mutual inductor, filtering and amplifying circuit, keyboard circuit, dropout drive circuit and magnetic flow convertor, the input of the output termination filtering and amplifying circuit of zero sequence current mutual inductor wherein, the output of filtering and amplifying circuit and keyboard circuit connects respectively the input of microprocessor, connect the input of magnetic flow convertor behind the output serial connection dropout drive circuit of microprocessor, power circuit is given respectively the power supply of microprocessor and magnetic flow convertor.
Preferably, described output end of microprocessor also arranges the LCD display circuit.
Preferably, described output end of microprocessor also arranges the RS-485 communicating circuit.
Preferably, described output end of microprocessor also arranges memory.
The utility model can be connected, install with circuit breaker very easily, in the occasion that does not need leakage function this module of also can dismantling very easily.By host computer and the communication of Intelligent electric leakage external module, distribution system management personnel remote monitoring circuit breaker, read the analysis circuit real time data (such as current line electrical leakage stream, specified leakage current and maximum opening time) grasp the initiative of security control, accident, shorten the time of accident interruption, realize the modernized operational management to distribution system.
Description of drawings
Fig. 1: the utility model structure principle chart.
Embodiment
As shown in Figure 1, but the Intelligent electric leakage external device of the utility model communication, comprise microprocessor, power circuit, zero sequence current mutual inductor, filtering and amplifying circuit, keyboard circuit, dropout drive circuit and magnetic flow convertor, the input of the output termination filtering and amplifying circuit of zero sequence current mutual inductor wherein, the output of filtering and amplifying circuit and keyboard circuit connects respectively the input of microprocessor, connect the input of magnetic flow convertor behind the output serial connection dropout drive circuit of microprocessor, power circuit is given respectively the power supply of microprocessor and magnetic flow convertor.Described output end of microprocessor also arranges the LCD display circuit.Described output end of microprocessor also arranges the RS-485 communicating circuit.Described output end of microprocessor also arranges memory.
Power circuit is given the power supply of single-chip microcomputer and magnetic flow convertor simultaneously; Zero sequence current mutual inductor is used for the sampling electric leakage signal; Filtering and amplifying circuit is used for the electric leakage signal of sampling is amplified processing, and gives single-chip microcomputer and process; Keyboard circuit is used for regulating specified leakage current and break-time, can also carry out the button inquiry to line status, key testing electric leakage tripping function; The RS485 interface is adopted in communication, and MODMUS-RTU agreement, serial communication can read current line electrical leakage stream, the size of last electric leakage drop-away time and dropout leakage current by host computer; Memory adopts EEPROM for the storage to the electric leakage state, preserves the fault trip parameter; LCD shows can show current line electrical leakage stream size, the leakage-current alarm state, and specified leakage current, specified break-time, can provide visual man-machine communication interface at fault trip electric current and time.The driving signal that the dropout drive circuit is accepted single-chip microcomputer is controlled the execution action of magnetic flow convertor.
Claims (4)
1. but the Intelligent electric leakage external device of a communication, it is characterized in that comprising microprocessor, power circuit, zero sequence current mutual inductor, filtering and amplifying circuit, keyboard circuit, dropout drive circuit and magnetic flow convertor, the input of the output termination filtering and amplifying circuit of zero sequence current mutual inductor wherein, the output of filtering and amplifying circuit and keyboard circuit connects respectively the input of microprocessor, connect the input of magnetic flow convertor behind the output serial connection dropout drive circuit of microprocessor, power circuit is given respectively the power supply of microprocessor and magnetic flow convertor.
2. but the Intelligent electric leakage external device of communication according to claim 1 is characterized in that described output end of microprocessor also arranges the LCD display circuit.
3. but the Intelligent electric leakage external device of communication according to claim 1 and 2 is characterized in that described output end of microprocessor also arranges the RS-485 communicating circuit.
4. but the Intelligent electric leakage external device of communication according to claim 1 and 2 is characterized in that described output end of microprocessor also arranges memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360833 CN202749796U (en) | 2012-07-25 | 2012-07-25 | Communicative intelligent electric leakage external device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360833 CN202749796U (en) | 2012-07-25 | 2012-07-25 | Communicative intelligent electric leakage external device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749796U true CN202749796U (en) | 2013-02-20 |
Family
ID=47709148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220360833 Expired - Fee Related CN202749796U (en) | 2012-07-25 | 2012-07-25 | Communicative intelligent electric leakage external device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151756A (en) * | 2013-03-29 | 2013-06-12 | 苏州长量电器有限公司 | Controller for residual leakage protection circuit breaker |
| CN105954660A (en) * | 2016-07-22 | 2016-09-21 | 安徽亚辉电气自动化有限公司 | Online insulation monitoring device for high-low voltage equipment |
-
2012
- 2012-07-25 CN CN 201220360833 patent/CN202749796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151756A (en) * | 2013-03-29 | 2013-06-12 | 苏州长量电器有限公司 | Controller for residual leakage protection circuit breaker |
| CN105954660A (en) * | 2016-07-22 | 2016-09-21 | 安徽亚辉电气自动化有限公司 | Online insulation monitoring device for high-low voltage equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20190725 |