CN204305010U - A kind of communication system device of microcomputer protective relay - Google Patents
A kind of communication system device of microcomputer protective relay Download PDFInfo
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- CN204305010U CN204305010U CN201420706180.0U CN201420706180U CN204305010U CN 204305010 U CN204305010 U CN 204305010U CN 201420706180 U CN201420706180 U CN 201420706180U CN 204305010 U CN204305010 U CN 204305010U
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Abstract
The utility model discloses a kind of communication system device of microcomputer protective relay, comprise master controller, power circuit, reset circuit, a RS485/RS232 communication interface circuit and multiple communication module, described master controller input is connected to button inputting circuits and data acquisition module, described master controller output is connected to display and action output module, described data acquisition module comprises digital sampling and processing and the first anti-jamming circuit, described action output module comprises the second anti-jamming circuit and relay tripping operation output circuit, the output of a described RS485/RS232 communication interface circuit is connected to serial/parallel conversion device and parallel terminal module, described multiple communication module comprises communication processor module, 2nd RS485/RS232 communication interface circuit, CAN interface circuit, ethernet interface circuit and wireless receiving and dispatching interface circuit, the utility model is novel in design, structure is simple, complete function, practical.
Description
Technical field
The utility model belongs to art communication systems field, is specifically related to a kind of communication system device of microcomputer protective relay.
Background technology
In power system; transformer station is the assembly place of transmission and disttrbution; in order to cut off or to connect, to change or adjustment voltage; safely and steadily running society of transformer station is most important; so there is various electric protection device in transformer station's transmission system, the safe operation of steady safe operation to transformer station of electric protection device serves vital effect.In recent years, along with the develop rapidly of China's economy, modernization construction as the power industry of lifelines of the national economy is very important, transformer station is the safe operation in order to ensure electric power system, in modern electric power system, networking, digitlization and intellectuality are the inexorable trends of electric power development, the current electric energy device to transformer station is by patrolling and examining, the modes such as monitoring are monitored substation equipment, electronic equipment due to transformer station is more and more concentrated, electromagnetic interference is more serious, be difficult to control electromagnetic interference by remote monitoring, adopt during remote monitoring and cannot accurately monitor, can not process in real time fault message, make the reliability of transformer station low.But because substation equipment is more; all because electromagnetic induction phenomenon exists electronic interferences between various equipment or equipment; also interference phenomenon is there is in this type of interference to the communication between protective device; make the performance protective effect that protective device can not be correct; the electric power accident once be short-circuited etc.; serious consequence is caused to transformer station; have a strong impact on the social Electrical Safety of harm; therefore; nowadays need a kind ofly to isolate or avoid the communications protection system and device that protective device is subject to electromagnetic interference; ensure the reliable and secure stable work of transformer station, very with practical value.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art; a kind of communication system device of microcomputer protective relay is provided; it is rationally novel in design; data input exports with data and all adopts anti-jamming circuit; data stabilization, has wireless or wired communication, complete function; practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of communication system device of microcomputer protective relay, is characterized in that: comprise master controller, for the power circuit of each electricity consumption module for power supply of loop, to connect and the reset circuit reruned for controller, to connect and the RS485/RS232 communication interface circuit transmitting data for serial communication and the multiple communication module transmitted for data with described master controller output with described master controller output; described master controller input is connected to the button inputting circuits of the threshold value for arranging the actuating of relay and the data acquisition module for data acquisition, the action output module that described master controller output is connected to the display for showing high voltage parameter and exports for action, described data acquisition module comprises the digital sampling and processing for gathering high side voltage or current data and connects for the first anti-jamming circuit of electromagnetism interference with described digital sampling and processing output, described action output module comprises connecting with described master controller output and to trip output circuit for the second anti-jamming circuit of electromagnetism interference and the relay connected with described second anti-jamming circuit output for the protection of electricity consumption substation equipment, the output of a described RS485/RS232 communication interface circuit is connected to and turns the serial/parallel conversion device of parallel output for Serial output and connect for the parallel terminal module of load running with described serial/parallel conversion device output, described multiple communication module comprises the communication processor module connected for changing communication with a described RS485/RS232 communication interface circuit, connect with described communication processor module and transmit the 2nd RS485/RS232 communication interface circuit of data for serial communication, connect with described communication processor module for the CAN interface circuit of fieldbus cascade, connect with described communication processor module for the ethernet interface circuit of long-range wired cascaded communication and the wireless receiving and dispatching interface circuit communicated for wireless telecommunication or local area network wireless that connects with described communication processor module.
The communication system device of above-mentioned a kind of microcomputer protective relay, is characterized in that: described master controller is MSP430 single-chip microcomputer or ARM9 microcontroller.
The communication system device of above-mentioned a kind of microcomputer protective relay, is characterized in that: described serial/parallel conversion device is NJU3711M deserializer.
The communication system device of above-mentioned a kind of microcomputer protective relay, is characterized in that: described digital sampling and processing is voltage transformer or current transformer.
The communication system device of above-mentioned a kind of microcomputer protective relay, is characterized in that: described communication processor module is PMC-1380-Z communication processor.
The utility model compared with prior art has the following advantages:
1, the utility model is that the communication processor circuit of PMC-1380-Z carries out signal of communication management by arranging model, and accurately, feature richness is comprehensive, and precision is good, and the time is fast and error is little in communication, and antinoise signal interference is strong.
2, the utility model is that the deserializer circuit of NJU3711M carries out the signal conversion of serial ports parallel port by arranging model, and conversion efficiency is high, and precision is good, by force anti-interference.
3, the utility model is that the CAN interface circuit of 2BMA629 carries out CAN communication by arranging model, and fast, signal is accurate, strong interference immunity in communication.
4, the utility model receives key-press input signal by ARM controller, adopts ARM9 to control anti-jamming circuit, and display with communicate, system power dissipation is low, and transport communication is stablized, process and arithmetic speed fast, system run all right.
5, the utility model structure simple, reasonable in design, system stability, complete function, result of use is good, practical, is convenient to promote the use of.
In sum, the utility model is rationally novel in design, and data input exports with data and all adopts anti-jamming circuit, data stabilization, has wireless or wired communication, complete function, practical, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the circuit connecting relation schematic diagram of each circuit of the utility model.
Description of reference numerals:
1-master controller; 2-power circuit; 3-reset circuit;
4-button inputting circuits; 5-display; 6-digital sampling and processing;
7-the first anti-jamming circuit; 8-the second anti-jamming circuit; 9-relay tripping operation output circuit;
10-the one RS485/RS232 communication interface circuit; 11-serial/parallel conversion device;
12-parallel terminal module; 13-communication processor module;
14-the two RS485/RS232 communication interface circuit; 15-CAN interface circuit;
16-ethernet interface circuit; 17-wireless receiving and dispatching interface circuit.
Detailed description of the invention
As shown in Figure 1, the utility model comprises master controller 1, for the power circuit 2 of each electricity consumption module for power supply of loop, to connect and the reset circuit 3 reruned for controller, to connect and the RS485/RS232 communication interface circuit 10 transmitting data for serial communication and the multiple communication module transmitted for data with described master controller 1 output with described master controller 1 output; described master controller 1 input is connected to the button inputting circuits 4 of the threshold value for arranging the actuating of relay and the data acquisition module for data acquisition, the action output module that described master controller 1 output is connected to the display 5 for showing high voltage parameter and exports for action, described data acquisition module comprises the digital sampling and processing 6 for gathering high side voltage or current data and connects for the first anti-jamming circuit 7 of electromagnetism interference with described digital sampling and processing 6 output, described action output module comprises connecting with described master controller 1 output and to trip output circuit 9 for the second anti-jamming circuit 8 of electromagnetism interference and the relay connected with described second anti-jamming circuit 8 output for the protection of electricity consumption substation equipment, the output of a described RS485/RS232 communication interface circuit 10 is connected to and turns the serial/parallel conversion device 11 of parallel output for Serial output and connect for the parallel terminal module 12 of load running with described serial/parallel conversion device 11 output, described multiple communication module comprises the communication processor module 13 connected for changing communication with a described RS485/RS232 communication interface circuit 10, connect with described communication processor module 13 and transmit the 2nd RS485/RS232 communication interface circuit 14 of data for serial communication, connect with described communication processor module 13 for the CAN interface circuit 15 of fieldbus cascade, connect with described communication processor module 13 for the ethernet interface circuit 16 of long-range wired cascaded communication and the wireless receiving and dispatching interface circuit 17 communicated for wireless telecommunication or local area network wireless that connects with described communication processor module 13.
In the present embodiment, described master controller 1 is MSP430 single-chip microcomputer or ARM9 microcontroller.
In the present embodiment, described serial/parallel conversion device 11 is NJU3711M deserializer.
In the present embodiment, described digital sampling and processing 6 is voltage transformer or current transformer.
In the present embodiment, described communication processor module 13 is PMC-1380-Z communication processor.
When the utility model uses, gathering high-pressure side data message by digital sampling and processing 6 voltage transformer or current transformer shows on display 5 by the first anti-jamming circuit 7 electromagnetism interference process by master controller 1, button inputting circuits 4 arranges the threshold value of relay tripping operation, when a threshold is exceeded, the electromagnetic interference that second anti-jamming circuit 8 filtration high pressure environment brings also to be tripped output protection circuit and electrical equipment by relay tripping operation output circuit 9, if do not exceed setting threshold value, send into communication processor module 13 by serial ports the one RS485/RS232 communication interface circuit 10, because strong magnetic disturbance is by the 2nd RS485/RS232 communication interface circuit 14, CAN interface circuit 15, ethernet interface circuit 16 and wireless receiving and dispatching interface circuit 17 is wired exports data with the communication mode of wireless parallel.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. a communication system device for microcomputer protective relay, is characterized in that: comprise master controller (1), for the power circuit (2) of each electricity consumption module for power supply of loop, to connect and the reset circuit (3) reruned for controller, to connect and the RS485/RS232 communication interface circuit (10) transmitting data for serial communication and the multiple communication module transmitted for data with described master controller (1) output with described master controller (1) output; described master controller (1) input is connected to the button inputting circuits (4) of threshold value for arranging the actuating of relay and the data acquisition module for data acquisition, the action output module that described master controller (1) output is connected to the display (5) for showing high voltage parameter and exports for action, described data acquisition module comprises the digital sampling and processing (6) for gathering high side voltage or current data and connects with described digital sampling and processing (6) output for first anti-jamming circuit (7) of electromagnetism interference, described action output module comprises connecting with described master controller (1) output and to trip output circuit (9) for second anti-jamming circuit (8) of electromagnetism interference and the relay connected with described second anti-jamming circuit (8) output for the protection of electricity consumption substation equipment, the output of a described RS485/RS232 communication interface circuit (10) is connected to and turns the serial/parallel conversion device (11) of parallel output for Serial output and connect for the parallel terminal module (12) of load running with described serial/parallel conversion device (11) output, described multiple communication module comprises the communication processor module (13) connected for changing communication with a described RS485/RS232 communication interface circuit (10), connect with described communication processor module (13) and transmit the 2nd RS485/RS232 communication interface circuit (14) of data for serial communication, connect with described communication processor module (13) for the CAN interface circuit (15) of fieldbus cascade, connect with described communication processor module (13) for the ethernet interface circuit (16) of long-range wired cascaded communication and the wireless receiving and dispatching interface circuit (17) communicated for wireless telecommunication or local area network wireless that connects with described communication processor module (13).
2. according to the communication system device of a kind of microcomputer protective relay according to claim 1, it is characterized in that: described master controller (1) is MSP430 single-chip microcomputer or ARM9 microcontroller.
3. according to the communication system device of a kind of microcomputer protective relay according to claim 1, it is characterized in that: described serial/parallel conversion device (11) is NJU3711M deserializer.
4. according to the communication system device of a kind of microcomputer protective relay according to claim 1, it is characterized in that: described digital sampling and processing (6) is voltage transformer or current transformer.
5. according to the communication system device of a kind of microcomputer protective relay according to claim 1, it is characterized in that: described communication processor module (13) is PMC-1380-Z communication processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706180.0U CN204305010U (en) | 2014-11-20 | 2014-11-20 | A kind of communication system device of microcomputer protective relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706180.0U CN204305010U (en) | 2014-11-20 | 2014-11-20 | A kind of communication system device of microcomputer protective relay |
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| Publication Number | Publication Date |
|---|---|
| CN204305010U true CN204305010U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420706180.0U Expired - Fee Related CN204305010U (en) | 2014-11-20 | 2014-11-20 | A kind of communication system device of microcomputer protective relay |
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| CN (1) | CN204305010U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821660A (en) * | 2015-05-15 | 2015-08-05 | 国家电网公司 | Device for wireless resetting of protection signal of transformer station |
| CN105374195A (en) * | 2015-12-08 | 2016-03-02 | 菏泽学院 | Electronic information anti-jamming circuit |
| CN105867222A (en) * | 2016-04-11 | 2016-08-17 | 国网宁夏电力公司检修公司 | Anti-interference output control circuit structure for transformer air-cooled intelligent control apparatus |
-
2014
- 2014-11-20 CN CN201420706180.0U patent/CN204305010U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821660A (en) * | 2015-05-15 | 2015-08-05 | 国家电网公司 | Device for wireless resetting of protection signal of transformer station |
| CN104821660B (en) * | 2015-05-15 | 2017-05-03 | 国家电网公司 | Device for wireless resetting of protection signal of transformer station |
| CN105374195A (en) * | 2015-12-08 | 2016-03-02 | 菏泽学院 | Electronic information anti-jamming circuit |
| CN105867222A (en) * | 2016-04-11 | 2016-08-17 | 国网宁夏电力公司检修公司 | Anti-interference output control circuit structure for transformer air-cooled intelligent control apparatus |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20171120 |