CN202486242U - Relay protection self-checking device - Google Patents
Relay protection self-checking device Download PDFInfo
- Publication number
- CN202486242U CN202486242U CN2012200994598U CN201220099459U CN202486242U CN 202486242 U CN202486242 U CN 202486242U CN 2012200994598 U CN2012200994598 U CN 2012200994598U CN 201220099459 U CN201220099459 U CN 201220099459U CN 202486242 U CN202486242 U CN 202486242U
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- relay
- module
- relay protection
- checking device
- dsp
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Abstract
The utility model relates to a relay protection self-checking device. The relay protection self-checking device is characterized by comprising a relay protection screen, wherein a current module, a voltage source module, a relay operation feedback module and a communication module are connected on the relay protection screen. The voltage source module, the relay operation feedback module and the communication module are further connected with a digital signal processor (DSP) and programmable logic controller (PLC) control module at the same time, and the DSP and PLC control module are further connected with an operation parameter display module. The relay protection self-checking device has the advantages that a human-computer interface is friendly, an operation procedure is clear, the relay operation feedback module can guarantee accurate motion of a measuring relay and accurate measurement of test time, and timing by microsecond can be used for carrying out a protected simulation test. In addition, the relay protection self-checking device is arranged in a switch cubicle with relay protection, a wiring is connected well in the process of production, no wiring is needed in the process of testing and checking, and a user only needs to operate a button on a faceplate of the relay protection self-checking device to finish the testing and the checking.
Description
Technical field
The utility model relates to a kind of self checking device, especially relates to a kind of relay protection self checking device.
Background technology
Traditional protective relaying device is packed into behind the switch cubicle, when testing verification, move the relay protection test tester to test site, rewiring then, after test finishes again with the secondary connection reduction of original switch cubicle.Each test, verification all will be carried out same operation.The possibility that take out stitches repeatedly, wiring has increased wiring error influences the fastness of connection terminal.The probability that switch cubicle is broken down increases.Therefore the test of relay protection, method of calibration need further to simplify.
The utility model content
The utility model mainly is to solve the existing in prior technology technical matters; Provide a kind of man-machine interface friendly, a kind of clearly relay protection self checking of operating process device.
It is the technical matters that solves existing in prior technology etc. that the utility model also has a purpose; A kind of accurate action that can guarantee measuring relay is provided, and the accurate measurement of test period, the timing of microsecond level, a kind of relay protection self checking device of the simulation test that can be used to protect.
It is the technical matters that solves existing in prior technology etc. that the utility model has a purpose again; Provide a kind of test and verification to need not wiring, a kind of relay protection self checking device that only needs the button on operation the utility model panel to accomplish.
The above-mentioned technical matters of the utility model mainly is able to solve through following technical proposals:
A kind of relay protection self checking device; It is characterized in that; Comprise a relay-set; Be connected with electric current and voltage source module, actuating of relay feedback module and communication module on the said relay-set, said voltage source module, actuating of relay feedback module and communication module also are connected with a DSP and PLC control module simultaneously, also are connected with an action parameter display module on said DSP and the PLC control module.
At above-mentioned a kind of relay protection self checking device, said DSP and PLC control module adopt dsp chip and programmable logic controller (PLC) PLC chip.
At above-mentioned a kind of relay protection self checking device, the time set that said actuating of relay feedback module adopts trigger and is connected with trigger.
At above-mentioned a kind of relay protection self checking device, said communication module, the data transmission unit that adopts dsp chip and be connected with dsp chip.
Therefore, the utlity model has following advantage: 1. reasonable in design, simple in structure and complete practicality; 2. control module adopts high performance DSP and programmable logic controller (PLC) PLC to control the size and the direction of measuring current, voltage source; And output; There are feedback and order circuit to return test value simultaneously; Control module is relatively judged the relay protection test error, thereby judges whether relay protection needs verification, and directly calibrate in the corresponding electric current of output, voltage standard source like the needs verification.Man-machine interface is friendly, and operating process is clear; 3. actuating of relay feedback module is guaranteed the accurate action of measuring relay, and the accurate measurement of test period, the timing of microsecond level, the simulation test that can be used to protect; 4. be contained in simultaneously in the switch cubicle with relay protection, wiring connects when producing, and test and verification need not wiring, only needs the button on operation the utility model panel to accomplish.
Description of drawings
Fig. 1 is the electrical block diagram of the utility model.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment:
The utility model comprises a relay-set; Be connected with electric current and voltage source module, actuating of relay feedback module and communication module on the said relay-set; Said voltage source module, actuating of relay feedback module and communication module also are connected with a DSP and PLC control module simultaneously, also are connected with an action parameter display module on said DSP and the PLC control module.
This device is in relay protection is contained in switch cubicle; Function with real-time output secondary side relay protection action current, voltage; And parameter such as display action time, voltage, electric current; According to action parameter,, realize the real-time detection and the verification of relay protection through verification communication module control relay protection verification.
Wherein, DSP and PLC control module adopt high performance DSP and programmable logic controller (PLC) PLC to realize the high-power controlled output of electric current, voltage source module, the action parameter of receiving relay action feedback module, the demonstration of control action parameter display module, the transceive data of control communication module; Electric current and voltage source module adopt high performance DSP and high-power FET and feedback circuit to realize the high-power controlled output of electric current, voltage; Actuating of relay feedback module adopts high-performance trigger and time set, the action situation of accurate recording relay; The action parameter display module adopts friendly liquid crystal display interface, parameters such as the time of the demonstration actuating of relay, voltage, electric current; Communication module adopts high performance DSP and data transmission unit, receives the relay protection test parameter, sends checking command.
Present embodiment adopts modular design; Referring to Fig. 1, will meet the electric current of setting valve and the secondary side input terminal that voltage source is outputted to relay protection, the action message of relay feedback module accurate recording relay through DSP and PLC control module; And be delivered to DSP and PLC control module; DSP and PLC control module are delivered to display module with action parameter, and judge whether whether working value is accurate, be sent to protective relaying device with calibrating signal through communication module.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (4)
1. relay protection self checking device; It is characterized in that; Comprise a relay-set; Be connected with electric current and voltage source module, actuating of relay feedback module and communication module on the said relay-set, said voltage source module, actuating of relay feedback module and communication module also are connected with a DSP and PLC control module simultaneously, also are connected with an action parameter display module on said DSP and the PLC control module.
2. a kind of relay protection self checking device according to claim 1 is characterized in that, said DSP and PLC control module adopt dsp chip and programmable logic controller (PLC) PLC chip.
3. a kind of relay protection self checking device according to claim 1 is characterized in that, the time set that said actuating of relay feedback module adopts trigger and is connected with trigger.
4. a kind of relay protection self checking device according to claim 1 is characterized in that, said communication module, the data transmission unit that adopts dsp chip and be connected with dsp chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200994598U CN202486242U (en) | 2012-03-16 | 2012-03-16 | Relay protection self-checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200994598U CN202486242U (en) | 2012-03-16 | 2012-03-16 | Relay protection self-checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202486242U true CN202486242U (en) | 2012-10-10 |
Family
ID=46960656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200994598U Expired - Fee Related CN202486242U (en) | 2012-03-16 | 2012-03-16 | Relay protection self-checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202486242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849596A (en) * | 2015-05-19 | 2015-08-19 | 神华集团有限责任公司 | Current protection actuation time test device and method and relay protection test system |
| CN116774029A (en) * | 2023-06-09 | 2023-09-19 | 国网上海市电力公司 | Multifunctional relay protection calibrator without disconnecting |
-
2012
- 2012-03-16 CN CN2012200994598U patent/CN202486242U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849596A (en) * | 2015-05-19 | 2015-08-19 | 神华集团有限责任公司 | Current protection actuation time test device and method and relay protection test system |
| CN116774029A (en) * | 2023-06-09 | 2023-09-19 | 国网上海市电力公司 | Multifunctional relay protection calibrator without disconnecting |
| CN116774029B (en) * | 2023-06-09 | 2024-06-04 | 国网上海市电力公司 | Multifunctional relay protection calibrator without disconnecting |
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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: 20121010 Termination date: 20170316 |