CN206990751U - A kind of intelligent relay protection test platform - Google Patents
A kind of intelligent relay protection test platform Download PDFInfo
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- CN206990751U CN206990751U CN201720154057.6U CN201720154057U CN206990751U CN 206990751 U CN206990751 U CN 206990751U CN 201720154057 U CN201720154057 U CN 201720154057U CN 206990751 U CN206990751 U CN 206990751U
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Abstract
The utility model belongs to each electrical system monitoring technical field of nuclear power plant's automation equipment control loop, and in particular to a kind of intelligent relay protection test platform；The purpose of this utility model is, for prior art deficiency, a kind of few execute-in-place complexity is provided, improve live relay contact analog control system efficiency, instrument and equipment, relay to be measured and staff caused by reducing error injure may, improve test automation degree, and the intelligent relay protection test platform of lifting measuring accuracy and data credibility；Including case lid, relay base, relay access board, embedded Control mainboard, test power supply, drawer A, drawer B and bus plane, wherein described bus plane is located at orlop, it is drawer B above bus plane, is provided with lower box above the drawer A, casing the top is provided with case lid；The relay base, relay access board, embedded Control mainboard are located in casing.
Description
Technical field
The invention belongs to each electrical system monitoring technical field of nuclear power plant's automation equipment control loop, and in particular to a kind of
Intelligent relay protection test platform method.
Background technology
The mode of tradition verification relay component, more using live patch, passes through examination using more test leads
Test folder while access to relay coil, on node connection post, be then turned on notebook computer and tester, into testing boundary
Face, increased one by one by manual mode and reduce input triggering electrical quantity or set time test platform to complete single verified
Journey, and hand-kept test data result.Problems with and shortcoming be present in which：
1. after being completed, taken out stitches, then the complicated repetitive process of rewiring.Due to relay small volume, its is each
The adjacent space of node connection post is very small, if wire connects insecure loosening and can cause the wind of positive-negative power short circuit in checking procedure
Danger, tester, relay to be measured even tester are damaged；
2. simultaneously as relay is large number of, for same type relay, the single repetition of method of calibration is cumbersome, easily
Data processing mistake or misoperation is caused to cause device damage, and very time-consuming consumption is artificial；
3. in test process, fully rely on people and actuating of relay state is judged, then on read test instrument
Data, measuring accuracy are relatively low；
4. initial data is tested in hand-kept, unintentionally misregistration be present intentionally, for the credibility of test data
Leak be present.
The content of the invention
The object of the present invention is in view of the shortcomings of the prior art, a kind of few execute-in-place complexity of offer, improves live relay
Device testing efficiency, instrument and equipment, relay to be measured and staff caused by reducing error injure possible, raising test automation
Degree, and the intelligent relay protection test platform of lifting measuring accuracy and data credibility.
The technical scheme is that：
A kind of intelligent relay protection test platform, including case lid, relay base, relay access board, embedded Control mainboard,
Power supply, drawer A, drawer B and bus plane are tested, wherein the bus plane is located at orlop, it is drawer B above bus plane, it is described
Lower box is provided with above drawer A, casing the top is provided with case lid；The relay base, relay access board, embedded Control
Mainboard is located in casing.
The relay base, relay access board quantity are four, four relay access boards respectively with it is embedded
Control mainboard is connected, and embedded Control mainboard is connected with back-stage management main frame, and each relay access board connects respectively
A relay base is connect, a relay is connected on each relay base.
The beneficial effects of the invention are as follows：
The invention is characterized in that the technological improvement of intelligent relay protection test platform, is controlled using PLC intelligent computers, it is one-touch to press
The triggering of button program can accurately measure action and return voltage and the contact-actuation time of 10 same type relays simultaneously, together
When data message information can be provided to coil resistance, contact action resistance value.Not only saved the duration, improved existing using the platform
Field operating efficiency, increase verification precision, has simplified operating procedure significantly.
Using the relay interface base of customization, it can access and survey without wiring directly by relay inserted base
Test system；The relay access circuit board of customization is installed, for each relay coil and contact is whole on relay base
Test circuit is introduced, so that test process is by logic control, coil, each contact is connected by switching component and extremely tested back
Road, without artificial wiring.The loop that is formed by relay normally closed contact of relay access circuit board of test platform, detect after
Whether electrical equipment inserts in place, and starting test for embedded system provides Rule of judgment.Using relay base and access board hardware electricity
Lu Hou, artificial wiring workload can be substantially reduced, thoroughly solve the failure risk caused by wiring error.Relay base and
Access board is connected by connecting line with power-supply system and embedded microprocessor system, can be with very convenient replacing, for not
With relay, only need to change base and access circuit board group into panel, you can meet testing requirement, without change entirely
Test platform.
Automatically testing platform, as lower computer hardware, test electricity is controlled by embedded software using embedded microprocessor
Source and testing process and test logic.Every kind of relay writes a test logic flow, real by plug in software module
Existing, platform is applicable to almost all of auxiliary reclay and the time relay, and part protective relay.Hardware and software
Cooperation, the working value of relay, return value, actuation time, time of return, contact impedance etc. can be tested automatically.It is embedding
Enter the test of microsever automatic start, automatically control test process and logic, automatic data collection test result data, and in real time on
Pass to host computer.So that host computer can obtain test process data and test mode, and fault message in real time.Whole process is only
Relay to be measured need to manually be changed, click on start button, without manual intervention, until test is completed.Greatly reduce survey
The complexity of examination, testing efficiency being improved, embedded microprocessor system performs the time of operation in delicate or even nano-seconds,
Read test data precision is significantly larger than artificial, can greatly reduce the people of test data because of error.
Host computer, as hardware, is write special program, communicated with slave computer using notebook computer.Tested in real time
Progress, state and test data, also receive manual intervention, start, pause, terminate test process.Finally according to test data,
Automatically form testing journal sheet.
Brief description of the drawings
Fig. 1 is intelligent relay protection test platform module map；
Fig. 2 is intelligent relay protection test platform architecture figure；
Fig. 3 is relay detection circuit for access figure.
Embodiment
The present invention is further introduced with embodiment below in conjunction with the accompanying drawings：
A kind of intelligent relay protection test platform, including case lid 1, relay base 2, relay access board 3, embedded Control master
Plate 4, test power supply 5, drawer A6, drawer B7 and bus plane 8, wherein the bus plane 8 is located at orlop, the top of bus plane 8 is
Lower box is provided with above drawer B7, the drawer A6, casing the top is provided with case lid 1；The relay base 2, relay connect
Enter plate 3, embedded Control mainboard 4 is located in casing.
The relay base 2, the quantity of relay access board 3 are four, four relay access boards 3 respectively with it is embedding
Enter formula control mainboard 4 to be connected, embedded Control mainboard 4 is connected with back-stage management main frame, each relay access board
A relay base 2 is connected respectively, and a relay is connected on each relay base 2.
This intelligent relay protection test platform is divided into three layers, and wherein orlop and intermediate layer is mainly used in electricity to expand auxiliary layer
The placement in source and Work tool is put.Core is the test layer of the superiors, in two sub-sections, power unit and control plate part.
Power module is all exchanged using 220V and inputted, and voltage source configuration is fuse protected, current source configuration open-circuit-protection.Electricity
Source is fixed on test layer bottom, is powered by same root 220V AC input lines to three power supplys.Configure a master switch, master switch
Band earth leakage protective.Control panel is arranged on back side of panel, and orlop is master control borad, and master control borad connects 232 serial ports to panel,
In favor of being connected with backstage PC.Relay access board is close to base, below panel.Based on panel uses aluminium sheet, press
Required according to fixed, go out corresponding installation hole and fixed screw holes.Static mat is laid on aluminium sheet, plastics are placed again by the superiors
Pad, print the title and function of the interfaces such as each interface and indicator lamp and equipment.
Embodiment 1
For the auxiliary reclay of no-delay action：
Step 1：Whether detection Relay base has relay insertion or vacant, as shown in Figure 3.By several (5-10
It is individual) the normally closed contact detection circuit for access of the relay to be measured of same type, when relay to be measured inserts loop, pass through and test electricity
Source and test resistance composition loop so that answer 4V under normal circumstances with the presence of voltage, voltage in voltage detecting point.Detect voltage inspection
Measuring point and detection voltage cathode voltage are poor, if there is 4V voltage, it was demonstrated that have relay insertion, if close to 0, it was demonstrated that the bottom
Seat is vacant.
Step 2：Start testing process.After the completion of each relay base detects, as a result upload to host computer and show.
Start button, automatic start test are clicked in upper computer software.In embedded main board, the flow of relay to be measured is stored.Root
According to flow, voltage, and automatic control power supply are added in relay coil, is stepped up magnitude of voltage, until the actuating of relay, from
Magnitude of voltage during dynamic operation of recording；Coil voltage is slowly reduced, until relay returns, records return value automatically.
Step 3：In the actuating of relay, 1A electric currents are added automatically in each normal opened contact loop, detect contact drop,
If pressure drop is more than 0.6V, prompt contact impedance excessive；After relay return, 1A electric currents are added for normally closed contact, detect pressure drop,
If pressure drop is more than 0.6V, prompt contact impedance excessive.
Step 4：Three above step is repeated, untill all relays all detect completion.
Step 5：Testing result is uploaded to host computer, testing journal sheet is automatically formed and preserves.
Embodiment 2
For the time relay with delay function：
Step 1：Whether detection Relay base has relay insertion or vacant, as shown in Figure 3.By several (5-10
It is individual) the normally closed contact detection circuit for access of the relay to be measured of same type, when relay to be measured inserts loop, pass through and test electricity
Source and test resistance composition loop so that answer 4V or so under normal circumstances with the presence of voltage, voltage in voltage detecting point.Detection electricity
Press test point poor with detecting voltage cathode voltage, if there is 4V or so voltage, it was demonstrated that there is relay insertion, if close to 0,
Prove that the base is vacant.
Step 2：Start testing process.After the completion of each relay base detects, as a result upload to host computer and show.
Start button, automatic start test are clicked in upper computer software.In embedded main board, the flow of relay to be measured is stored.Root
According to flow, impact or bust voltage in relay coil, start timing loop, until relay is delayed node action, automatically
Magnitude of voltage and actuation time during operation of recording；
Step 3：In the actuating of relay, 1A electric currents are added automatically in each normal opened contact loop, detect contact drop,
If pressure drop is more than 0.6V, prompt contact impedance excessive；After relay return, 1A electric currents are added for normally closed contact, detect pressure drop,
If pressure drop is more than 0.6V, prompt contact impedance excessive.
Step 4：Three above step is repeated, untill all relays all detect completion.
Step 5：Testing result is uploaded to host computer, testing journal sheet is automatically formed and preserves.
The daily preventive maintenance item objects with during overhaul of relay protection are in involved related system containing big
The all types of relays of amount, it mainly participates in and realizes control logic return circuit.Their correct reliability directly affects
To four property of relay protection：Selectivity, reliability, quick-action and sensitivity.It is real that the electric relay protection personnel of Qinshan combine scene
Border working condition, summarizing their common features is：The installation of same type relay base and the mode of connection are consistent identical,
And a fairly large number of relay of same type is widely used in following system：
500kV switchyard network controls building Interface Controller screen auxiliary reclay (about 500), LH* meet an urgent need among section machine frame system
Relay (about 640), CRF frame logics auxiliary reclay (about 200), LHP/Q logic controls auxiliary reclay are (about
1200), the LHP/Q time relays (about 150).The invention mode is taken, work on the spot efficiency can be improved during overhaul, is increased
Add verification precision, simplified operating procedure, reduce component damage and error in data caused by human error, be unit after
The reliability of electric protection and Automated condtrol provides valid data.
Claims (1)
- A kind of 1. intelligent relay protection test platform, it is characterised in that：Including case lid (1), relay base (2), relay access board (3), embedded Control mainboard (4), test power supply (5), drawer A (6), drawer B (7) and bus plane (8), wherein the bus plane (8) orlop is located at, is drawer B (7) above bus plane (8), is provided with lower box above the drawer A (6), casing the top is set There is case lid (1)；The relay base (2), relay access board (3), embedded Control mainboard (4) are located in casing；It is described Relay base (2), relay access board (3) quantity are four, four relay access boards (3) respectively with embedded Control Mainboard (4) is connected, and embedded Control mainboard (4) is connected with back-stage management main frame, each relay access board difference A relay base (2) is connected, a relay is connected on each relay base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154057.6U CN206990751U (en) | 2017-02-21 | 2017-02-21 | A kind of intelligent relay protection test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154057.6U CN206990751U (en) | 2017-02-21 | 2017-02-21 | A kind of intelligent relay protection test platform |
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| Publication Number | Publication Date |
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| CN206990751U true CN206990751U (en) | 2018-02-09 |
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ID=61423033
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| CN201720154057.6U Active CN206990751U (en) | 2017-02-21 | 2017-02-21 | A kind of intelligent relay protection test platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459267A (en) * | 2017-02-21 | 2018-08-28 | 中核核电运行管理有限公司 | A kind of intelligence relay protection test platform |
| CN109444730A (en) * | 2018-11-02 | 2019-03-08 | 北京四方继保自动化股份有限公司 | A kind of electromagnetic relay verifying bench and the method for inspection |
-
2017
- 2017-02-21 CN CN201720154057.6U patent/CN206990751U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459267A (en) * | 2017-02-21 | 2018-08-28 | 中核核电运行管理有限公司 | A kind of intelligence relay protection test platform |
| CN109444730A (en) * | 2018-11-02 | 2019-03-08 | 北京四方继保自动化股份有限公司 | A kind of electromagnetic relay verifying bench and the method for inspection |
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