CN201926744U - Dynamic detector for feeder switch of direct-current power supply - Google Patents
Dynamic detector for feeder switch of direct-current power supply Download PDFInfo
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- CN201926744U CN201926744U CN2010206863191U CN201020686319U CN201926744U CN 201926744 U CN201926744 U CN 201926744U CN 2010206863191 U CN2010206863191 U CN 2010206863191U CN 201020686319 U CN201020686319 U CN 201020686319U CN 201926744 U CN201926744 U CN 201926744U
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Abstract
The utility model discloses a dynamic detector for a feeder switch of a direct-current power supply, which comprises a main monitoring unit, a plurality of switch value modules and a remote monitoring device. The main monitoring unit is composed of two interfaces RS485 and connected with the remote monitoring device via one of the interfaces RS485, the other interface RS485 is respectively connected with the switch value modules via an RS485 bus, and each switch value module is connected to a lower opening of each feeder switch in a direct-current system to be detected. The dynamic detector for the feeder switch of the direct-current power supply is capable of correctly displaying on and off of the feeder switch.
Description
Technical field
The utility model relates to a kind of device that is used for power system transformer substation DC power system feeder switch detection of dynamic.
Background technology
DC power system provides power supply by many feeder line branch roads for controlling load and living load and direct current emergency lighting load etc., every the feeder line branch road is all controlled break-make by feeder switch separately, therefore, the reliability and stability of feeder line branch switch directly has influence on the security of power transformation operation.At present, DC power system feeder line branch switch closes the branch state two kinds of indicating modes: a kind of is the mode of using switch end opening pilot lamp in parallel, but can't realize teletransmission; Another kind is the auxiliary contact that utilize switch, can realize teletransmission, shortcoming be auxiliary contact to close branch inconsistent because of reasons such as loose contact and main contacts sometimes, can not correctly reflect the break-make of feeder switch.Therefore, designing a kind of direct supply feeder switch device for dynamically detecting that can correctly reflect the feeder switch break-make, is the present technical issues that need to address.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of direct supply feeder switch device for dynamically detecting that can correctly reflect the feeder switch break-make.
The technical scheme in the invention for solving the technical problem is:
Direct supply feeder switch device for dynamically detecting, direct supply feeder switch device for dynamically detecting is made up of main monitoring unit, a plurality of switching value module and a remote monitoring device, main monitoring unit comprises two RS485 interfaces, link to each other with the remote monitoring device by a RS485 interface, another RS485 interface links to each other with each switching value module respectively by its RS485 bus; Each switching value module connects each feeder switch end opening in the straight-flow system to be measured on the one hand, judges the branch state that closes of switch by gathering voltage, links to each other with main monitoring unit by the RS485 bus on the other hand and uploads the switch telemetry intelligence (TELINT).Operating process is as follows: main monitoring unit adopts 485 communication modes to obtain the branch state that closes of each feeder switch from the switching value module, and shows on the spot by liquid crystal, also can pass through 485 interface teletransmission remote monitoring devices; The switching value module is come the on off operating mode of detector switch by gathering each feeder switch end opening voltage in the straight-flow system to be measured, is uploaded to main monitoring unit through 485 buses then.
The technical scheme in the invention for solving the technical problem can also be:
Main monitoring unit described in the utility model mainly comprises microprocessor U1, two ES485 interface U2, U3 and intelligent display terminal U4, the model of U1 is ATMEGA128L8AI, U2, the model of U3 is ADM2483, the model of U4 is DMT64480T056, U2,1 pin of U3 meets VCC, 2 of U2 and U3, meet GND after the 8 pin parallel connections, 7 pin of U2 and U3 all meet VCC, and 3 pin of U2 connect 59 pin of U1, connect 60 pin of U1 after 4 pin of U2 and the 5 pin parallel connections, 6 pin of U2 connect 61 pin of U1, and 3 pin of U3 connect 2 pin of U1, connect 4 pin of U1 after 4 pin of U3 and the 5 pin parallel connections, 6 pin of U3 connect 3 pin of U1, the GND pin ground connection of U4, the RX pin of U4 connects 28 pin of U1, and the TX pin of U4 connects 27 pin of U1,20 pin of U1 R1 in parallel and C1, another termination VCC of R1, another termination GND of C1,22 of U1, ground connection after the 53 pin parallel connections, 21 of U1, meet VCC after the 52 pin parallel connections, at 23 of U1, be connected with Y1 between 24 pin, be connected with C2 and C3 respectively, the other end of C2 and C3 ground connection in parallel at the two ends of Y1.
The feeder switch that switching value module described in the utility model detects is 6 the tunnel.
Switching value module described in the utility model comprises MSP430F2013 single-chip microcomputer and the RS485 interface that model is ADM2483, and MSP430F2013 single-chip microcomputer VSS pin is connected with ground wire; The VCC pin connects the 3.3V high level; The RST pin connects the 3.3V high level by resistance R 13 and finishes the electrification reset function; The VDD1 pin of RS485 interface ADM2483 connects the 3.3V power supply, GND1 pin ground connection, and the RXO pin is connected with the P26 pin of MSP430F2013, and the TXI pin is connected with the P17 pin of MSP430F2013, and RE, DE pin short circuit link to each other with the P27 pin of MSP430F2013; The A of ADM2483, B, VDD2, GND2 pin connect the RS485 bus of RS485 interface, and constitute 485 order circuits; The switching value input circuit has six the tunnel, and each road all is a voltage of gathering each feeder switch end opening in the straight-flow system to be measured by optocoupler; The first via, the P10 pin of MSP430F2013 links to each other by resistance R 7 ground connection and with 3 pin of optocoupler PS2505 U1,4 pin of U1 connect the 3.3V power supply, and 2 pin meet "-" of the first branch road feeder switch end opening, and 1 pin meets "+" of the first branch road feeder switch end opening by resistance R 1; The second the tunnel, the P11 pin of MSP430F2013 links to each other by resistance R 8 ground connection and with 3 pin of optocoupler PS2505 U2,4 pin of U2 connect the 3.3V power supply, and 2 pin meet "-" of the second branch road feeder switch end opening, and 1 pin meets "+" of the second branch road feeder switch end opening by resistance R 2; Third Road, the P12 pin of MSP430F2013 links to each other by resistance R 9 ground connection and with 3 pin of optocoupler PS2505 U3, and 4 pin of U3 connect the 3.3V power supply, "-" of 2 pin the 3rd branch road feeder switch end opening, 1 pin meets "+" of the 3rd branch road feeder switch end opening by resistance R 3; The four the tunnel, the P13 pin of MSP430F2013 links to each other by resistance R 10 ground connection and with 3 pin of optocoupler PS2505 U4,4 pin of U4 connect the 3.3V power supply, and 2 pin meet "-" of the 4th branch road feeder switch end opening, and 1 pin meets "+" of the 4th branch road feeder switch end opening by resistance R 4; The five the tunnel, the P14 pin of MSP430F2013 links to each other by resistance R 11 ground connection and with 3 pin of optocoupler PS2505 U5,4 pin of U5 connect the 3.3V power supply, and 2 pin meet "-" of the 5th branch road feeder switch end opening, and 1 pin meets "+" of the 5th branch road feeder switch end opening by resistance R 5; The six the tunnel, the P15 pin of MSP430F2013 links to each other by resistance R 12 ground connection and with 3 pin of optocoupler PS2505 U6,4 pin of U6 connect the 3.3V power supply, and 2 pin meet "-" of the 6th branch road feeder switch end opening, and 1 pin meets "+" of the 6th branch road feeder switch end opening by resistance R 6.
Compared with prior art, the utlity model has following advantage:
1. the transformer station direct current system feeder switch closes the demonstration in real time on the spot of branch state, and intuitive and convenient also can be passed through the teletransmission of RS485 interface, realizes feeder switch state telemetry function, has saved lot of manpower and material resources.
2. by gathering feeder switch end opening voltage, the accurate branch state that closes of detector switch has overcome the deficiency of auxiliary contact modes (sometimes because of reason such as loose contact and main contacts close branch inconsistent).
Description of drawings
Fig. 1 is a The general frame of the present utility model.
The circuit theory diagrams of Fig. 2 main monitoring unit of the present utility model.
The circuit theory diagrams of Fig. 3 switching value module of the present utility model.
Embodiment
Direct supply feeder switch device for dynamically detecting, direct supply feeder switch device for dynamically detecting is made up of main monitoring unit, a plurality of switching value module and a remote monitoring device, main monitoring unit comprises two RS485 interfaces, link to each other with the remote monitoring device by a RS485 interface, another RS485 interface links to each other with each switching value module respectively by its RS485 bus; Each switching value module is connected in each feeder switch end opening in the straight-flow system to be measured.Described main monitoring unit mainly comprises microprocessor U1, two 485 interface circuit U2, U3 and intelligent display terminal U4, the model of U1 is ATMEGA128L8AI, U2, the model of U3 is ADM2483, the model of U4 is DMT64480T056, U2,1 pin of U3 meets VCC, 2 of U2 and U3, meet GND after the 8 pin parallel connections, 7 pin of U2 and U3 all meet VCC, and 3 pin of U2 connect 59 pin of U1, connect 60 pin of U1 after 4 pin of U2 and the 5 pin parallel connections, 6 pin of U2 connect 61 pin of U1, and 3 pin of U3 connect 2 pin of U1, connect 4 pin of U1 after 4 pin of U3 and the 5 pin parallel connections, 6 pin of U3 connect 3 pin of U1, the GND pin ground connection of U4, the RX pin of U4 connects 28 pin of U1, and the TX pin of U4 connects 27 pin of U1,20 pin of U1 R1 in parallel and C1, another termination VCC of R1, another termination GND of C1,22 of U1, ground connection after the 53 pin parallel connections, 21 of U1, meet VCC after the 52 pin parallel connections, at 23 of U1, be connected with Y1 between 24 pin, be connected with C2 and C3 respectively, the other end of C2 and C3 ground connection in parallel at the two ends of Y1.Described switching value module is 6.Described switching value module comprises MSP430F2013 single-chip microcomputer and 485 interface circuits that model is ADM2483, and MSP430F2013 single-chip microcomputer VSS pin is connected with ground wire; The VCC pin connects the 3.3V high level; The RST pin connects the 3.3V high level by resistance R 13 and finishes the electrification reset function.The VDD1 pin of 485 interface circuit ADM2483 connects the 3.3V power supply, GND1 pin ground connection, and the RXO pin is connected with the P26 pin of MSP430F2013, and the TXI pin is connected with the P17 pin of MSP430F2013, and RE, DE pin short circuit link to each other with the P27 pin of MSP430F2013; The A of ADM2483, B, VDD2, GND2 pin connect the RS485 bus of RS485 interface, and constitute 485 order circuits.The switching value input circuit has six the tunnel, and each road all is a voltage of gathering each feeder switch end opening in the straight-flow system to be measured by optocoupler; The first via, the P10 pin of MSP430F2013 links to each other by resistance R 7 ground connection and with 3 pin of optocoupler PS2505 U1,4 pin of U1 connect the 3.3V power supply, and 2 pin meet "-" of the first branch road feeder switch end opening, and 1 pin meets "+" of the first branch road feeder switch end opening by resistance R 1; The second the tunnel, the P11 pin of MSP430F2013 links to each other by resistance R 8 ground connection and with 3 pin of optocoupler PS2505 U2,4 pin of U2 connect the 3.3V power supply, and 2 pin meet "-" of the second branch road feeder switch end opening, and 1 pin meets "+" of the second branch road feeder switch end opening by resistance R 2; Third Road, the P12 pin of MSP430F2013 links to each other by resistance R 9 ground connection and with 3 pin of optocoupler PS2505 U3, and 4 pin of U3 connect the 3.3V power supply, "-" of 2 pin the 3rd branch road feeder switch end opening, 1 pin meets "+" of the 3rd branch road feeder switch end opening by resistance R 3; The four the tunnel, the P13 pin of MSP430F2013 links to each other by resistance R 10 ground connection and with 3 pin of optocoupler PS2505 U4,4 pin of U4 connect the 3.3V power supply, and 2 pin meet "-" of the 4th branch road feeder switch end opening, and 1 pin meets "+" of the 4th branch road feeder switch end opening by resistance R 4; The five the tunnel, the P14 pin of MSP430F2013 links to each other by resistance R 11 ground connection and with 3 pin of optocoupler PS2505 U5,4 pin of U5 connect the 3.3V power supply, and 2 pin meet "-" of the 5th branch road feeder switch end opening, and 1 pin meets "+" of the 5th branch road feeder switch end opening by resistance R 5; The six the tunnel, the P15 pin of MSP430F2013 links to each other by resistance R 12 ground connection and with 3 pin of optocoupler PS2505 U6,4 pin of U6 connect the 3.3V power supply, and 2 pin meet "-" of the 6th branch road feeder switch end opening, and 1 pin meets "+" of the 6th branch road feeder switch end opening by resistance R 6.
Claims (4)
1. direct supply feeder switch device for dynamically detecting, it is characterized in that: direct supply feeder switch device for dynamically detecting is made up of main monitoring unit, a plurality of switching value module and a remote monitoring device, main monitoring unit comprises two RS485 interfaces, link to each other with the remote monitoring device by a RS485 interface, another RS485 interface links to each other with each switching value module respectively by its RS485 interface bus; Each switching value module is connected in each feeder switch end opening in the straight-flow system to be measured.
2. direct supply feeder switch device for dynamically detecting according to claim 1, it is characterized in that: described main monitoring unit mainly comprises microprocessor U1, two RS485 interface U2, U3 and intelligent display terminal U4, the model of U1 is ATMEGA128L8AI, U2, the model of U3 is ADM2483, the model of U4 is DMT64480T056, U2,1 pin of U3 meets VCC, 2 of U2 and U3, meet GND after the 8 pin parallel connections, 7 pin of U2 and U3 all meet VCC, 3 pin of U2 connect 59 pin of U1, connect 60 pin of U1 after 4 pin of U2 and the 5 pin parallel connections, 6 pin of U2 connect 61 pin of U1,3 pin of U3 connect 2 pin of U1, connect 4 pin of U1 after 4 pin of U3 and the 5 pin parallel connections, 6 pin of U3 connect 3 pin of U1, the GND pin ground connection of U4, the RX pin of U4 connects 28 pin of U1, the TX pin of U4 connects 27 pin of U1,20 pin of U1 R1 in parallel and C1, another termination VCC of R1, another termination GND of C1,22 of U1, ground connection after the 53 pin parallel connections, 21 of U1, meet VCC after the 52 pin parallel connections, at 23 of U1, be connected with Y1 between 24 pin, two ends at Y1 are connected with C2 and C3 respectively, the other end of C2 and C3 ground connection in parallel.
3. direct supply feeder switch device for dynamically detecting according to claim 1 is characterized in that: the feeder switch that described switching value module detects is 6 the tunnel.
4. direct supply feeder switch device for dynamically detecting according to claim 3, it is characterized in that: described switching value module comprises MSP430F2013 single-chip microcomputer and the RS485 interface that model is ADM2483, and MSP430F2013 single-chip microcomputer VSS pin is connected with ground wire; The VCC pin connects the 3.3V high level; The RST pin connects the 3.3V high level by resistance R 13 and finishes the electrification reset function; The VDD1 pin of 485 interface ADM2483 connects the 3.3V power supply, GND1 pin ground connection, and the RXO pin is connected with the P26 pin of MSP430F2013, and the TXI pin is connected with the P17 pin of MSP430F2013, and RE, DE pin short circuit link to each other with the P27 pin of MSP430F2013; The A of ADM2483, B, VDD2, GND2 pin connect the RS485 bus of 485 interfaces, and constitute 485 order circuits; The switching value input circuit has six the tunnel, and each road all is a voltage of gathering each feeder switch end opening in the straight-flow system to be measured by optocoupler; The first via, the P10 pin of MSP430F2013 links to each other by resistance R 7 ground connection and with 3 pin of optocoupler PS2505 U1,4 pin of U1 connect the 3.3V power supply, and 2 pin meet "-" of the first branch road feeder switch end opening, and 1 pin meets "+" of the first branch road feeder switch end opening by resistance R 1; The second the tunnel, the P11 pin of MSP430F2013 links to each other by resistance R 8 ground connection and with 3 pin of optocoupler PS2505 U2,4 pin of U2 connect the 3.3V power supply, and 2 pin meet "-" of the second branch road feeder switch end opening, and 1 pin meets "+" of the second branch road feeder switch end opening by resistance R 2; Third Road, the P12 pin of MSP430F2013 links to each other by resistance R 9 ground connection and with 3 pin of optocoupler PS2505 U3, and 4 pin of U3 connect the 3.3V power supply, "-" of 2 pin the 3rd branch road feeder switch end opening, 1 pin meets "+" of the 3rd branch road feeder switch end opening by resistance R 3; The four the tunnel, the P13 pin of MSP430F2013 links to each other by resistance R 10 ground connection and with 3 pin of optocoupler PS2505 U4,4 pin of U4 connect the 3.3V power supply, and 2 pin meet "-" of the 4th branch road feeder switch end opening, and 1 pin meets "+" of the 4th branch road feeder switch end opening by resistance R 4; The five the tunnel, the P14 pin of MSP430F2013 links to each other by resistance R 11 ground connection and with 3 pin of optocoupler PS2505 U5,4 pin of U5 connect the 3.3V power supply, and 2 pin meet "-" of the 5th branch road feeder switch end opening, and 1 pin meets "+" of the 5th branch road feeder switch end opening by resistance R 5; The six the tunnel, the P15 pin of MSP430F2013 links to each other by resistance R 12 ground connection and with 3 pin of optocoupler PS2505 U6,4 pin of U6 connect the 3.3V power supply, and 2 pin meet "-" of the 6th branch road feeder switch end opening, and 1 pin meets "+" of the 6th branch road feeder switch end opening by resistance R 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206863191U CN201926744U (en) | 2010-12-29 | 2010-12-29 | Dynamic detector for feeder switch of direct-current power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206863191U CN201926744U (en) | 2010-12-29 | 2010-12-29 | Dynamic detector for feeder switch of direct-current power supply |
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| CN201926744U true CN201926744U (en) | 2011-08-10 |
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| CN2010206863191U Expired - Fee Related CN201926744U (en) | 2010-12-29 | 2010-12-29 | Dynamic detector for feeder switch of direct-current power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707195A (en) * | 2016-12-09 | 2017-05-24 | 国网北京市电力公司 | Monitoring system for direct current system |
| CN108761321A (en) * | 2018-05-25 | 2018-11-06 | 蔡俊 | Branch alarm device |
-
2010
- 2010-12-29 CN CN2010206863191U patent/CN201926744U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707195A (en) * | 2016-12-09 | 2017-05-24 | 国网北京市电力公司 | Monitoring system for direct current system |
| CN108761321A (en) * | 2018-05-25 | 2018-11-06 | 蔡俊 | Branch alarm device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20141229 |
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| EXPY | Termination of patent right or utility model |