CN208818807U - Exit relay performance test apparatus and test macro - Google Patents

Exit relay performance test apparatus and test macro Download PDF

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Publication number
CN208818807U
CN208818807U CN201821419689.1U CN201821419689U CN208818807U CN 208818807 U CN208818807 U CN 208818807U CN 201821419689 U CN201821419689 U CN 201821419689U CN 208818807 U CN208818807 U CN 208818807U
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CN
China
Prior art keywords
relay
interface
current
protection
performance test
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821419689.1U
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Chinese (zh)
Inventor
熊勇
赵艳
李未科
罗巍
杨怀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Onlly Electric Automatization Co Ltd
Original Assignee
Guangdong Onlly Electric Automatization Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201821419689.1U priority Critical patent/CN208818807U/en
Application granted granted Critical
Publication of CN208818807U publication Critical patent/CN208818807U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of exit relay performance test apparatus and test macros, wherein exit relay performance test apparatus, including relay-protection tester and electronic load;Relay-protection tester includes controller, switch value input interface and output switch parameter interface;Electronic load includes current control circuit and reception signal processing circuit;The first input end of the current output interface connection current control circuit of relay-protection tester, controller connect the second input terminal of current control circuit by output switch parameter interface;The output end of current control circuit is used to connect the exit relay connection jaws of protection equipment;The input terminal for receiving signal processing circuit is used for connection outlet relay wiring mouth, and output end connects controller by switch value input interface.The application can truly test out whether exit relay used in protection equipment reaches design requirement and durability, greatly reduce the workload of tester, improve testing efficiency.

Description

Exit relay performance test apparatus and test macro
Technical field
This application involves protective relaying device technical field, more particularly to a kind of exit relay performance test apparatus and Test macro.
Background technique
Protective relaying device is for ensureing that the safe operation of electric system plays very important effect, once it is sent out in system Raw failure, protective relaying device allow for rapidly and accurately providing alarm signal, cut off failure automatically, avoid to the maximum extent Or mitigate failure to the damage of running equipment in system and influence.
It, just must be in device in order to guarantee correctness and reliability that protective relaying device works in During Process of Long-term Operation The different phases such as research and development, production, installation, operation targetedly carry out various tests.Relay protection outlet relay is exactly For executing last " executor " of protection act.Its reliability is related to the reliability of entire protective relaying device.
During realization, inventor has found that at least there are the following problems in traditional technology: at present to exit relay The test of reliability, durability, relies primarily on artificial progress simulation test, and testing efficiency is low.
Utility model content
Based on this, it is necessary in view of the above technical problems, provide a kind of exit relay that can be improved testing efficiency It can test equipment and test macro.
To achieve the goals above, on the one hand, the utility model embodiment provides a kind of exit relay performance test Equipment, including relay-protection tester and electronic load;
The current output interface of relay-protection tester is used to connect the current signal input interface of external shielding equipment, after The voltage output interface of electric protection tester is used to connect the voltage signal input interface of protection equipment;
Relay-protection tester includes controller, switch value input interface and output switch parameter interface;Electronic load includes Current control circuit and reception signal processing circuit;
The first input end of the current output interface connection current control circuit of relay-protection tester, controller is by opening Measure the second input terminal of output interface connection current control circuit in pass;The output end of current control circuit is for connecting protection equipment Exit relay connection jaws;
The input terminal for receiving signal processing circuit is used for connection outlet relay wiring mouth, and output end passes through On-off signal Interface connects controller.
It in one of the embodiments, further include programmable power supply;
The input terminal of programmable power supply connects controller, and output end connects the third input terminal of current control circuit.
Programmable power supply is the digital program controlled power supply of 7500VA in one of the embodiments,.
Relay-protection tester further includes ac and dc current source and alterating and direct current potential source in one of the embodiments,;
Ac and dc current source is separately connected the current signal input interface of protection equipment, electric current control by current output interface The first input end of circuit processed;
The voltage signal input interface that alterating and direct current potential source passes through voltage output interface connection protection equipment.
Controller is the processor of DSP+ARM+CPLD kernel in one of the embodiments,.
Electronic load is program-control electronic load in one of the embodiments,.
Program-control electronic load is digital program controlled electronic load in one of the embodiments,.
Relay-protection tester, electronic load and programmable power supply are placed in cabinet in one of the embodiments,;
The one side of cabinet is equipped with display screen and input unit;
Current output interface, voltage output interface, switch value input interface and output switch parameter interface are each provided at cabinet On one side.
Display screen is liquid crystal display or electric ink display screen in one of the embodiments,;
Input unit is the touch layer that covers on display screen, key, trace ball or the Trackpad being arranged on cabinet and outer Keyboard, Trackpad or the mouse connect.
On the other hand, the utility model embodiment additionally provides a kind of test macro, including protection equipment and connection are protected Protect the exit relay performance test apparatus of equipment.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
Relay-protection tester and electronic load in exit relay performance test apparatus can be arbitrarily arranged on demand Output voltage height, phase, can arbitrarily be arranged on demand output size of current setting current output time, retest number, Retest interval time, and then fully automatically by test request test exit relay.The application can be surveyed truly It tries out whether exit relay used in protection equipment reaches design requirement and durability, greatly reduces the work of tester It measures, improves testing efficiency.The application uses split type Combination Design, and each function separates, and can reduce the complexity of test equipment Property, reduce influencing each other for each function, improves the unfailing performance of each function.
Detailed description of the invention
By being more particularly described for preferred embodiment of the present application shown in the drawings, the above and other mesh of the application , feature and advantage will become more fully apparent.Identical appended drawing reference indicates identical part in all the attached drawings, and does not carve Meaning draws attached drawing by actual size equal proportion scaling, it is preferred that emphasis is shows the purport of the application.
Fig. 1 is the first schematic block diagram of one embodiment middle outlet relay performance test equipment;
Fig. 2 is the second schematic block diagram of one embodiment middle outlet relay performance test equipment;
Fig. 3 is the cabinet schematic diagram of one embodiment middle outlet relay performance test equipment;
Fig. 4 is the internal structure chart of test macro in one embodiment.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to this paper institute The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to disclosure of this application.
It should be noted that it can be directly to separately when an element is considered as " connection " another element One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " installation ", " one End ", " other end " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases Any and all combinations of the listed item of pass.
In one embodiment, as shown in Figure 1, providing a kind of exit relay performance test apparatus, including relay is protected Protect tester 100 and electronic load 110;
The current signal input that the current output interface of relay-protection tester 100 is used to connect external shielding equipment connects Mouthful, the voltage output interface of relay-protection tester 100 is used to connect the voltage signal input interface of protection equipment;
Relay-protection tester 100 includes controller 102, switch value input interface and output switch parameter interface;Electronic Negative Carrying 110 includes current control circuit 112 and reception signal processing circuit 114;
The first input end of the current output interface connection current control circuit 112 of relay-protection tester, controller 102 The second input terminal of current control circuit 112 is connected by output switch parameter interface;The output end of current control circuit 112 is used for The exit relay connection jaws of connection protection equipment;
The input terminal for receiving signal processing circuit 114 is used for connection outlet relay wiring mouth, and output end passes through switching value Input interface connects controller 102.
Wherein, electronic load can refer to conduction amount (the amount duty ratio by control internal power (MOSFET) or transistor Size), by the equipment of the dissipated power consumption electric energy of power tube.Electronics in the application is responsible for accurately detecting to load Voltage accurately adjusts load current.And switch value input interface corresponds to intake, i.e. On-off signal;Output switch parameter interface The corresponding amount of outputing, i.e. output switch parameter.
It should be noted that the protection equipment in the application refers to protective relaying device (also referred to herein simply as protection dress Set), relay protection outlet relay protects equipment export relay.
Pressure test phase is not included in the test of exit relay at present, and to the reliability of exit relay, it is resistance to The test of long property needs to simulate the retest process that true working condition carries out thousands of times, is a suitable to tester The same working strength of big workload.If manually carrying out simulation test entirely, it is difficult the test for accomplishing to guarantee both quality and quantity.And the application energy Enough this cumbersome test problems of very good solution.
Specifically, the current signal that the current output interface of relay-protection tester is used to connect external shielding equipment is defeated Incoming interface, the voltage output interface of relay-protection tester are used to connect the voltage signal input interface of protection equipment;That is relay Voltage needed for protection tester can export test respectively, electric current to protection equipment.
And in a specific embodiment, relay-protection tester further includes ac and dc current source and combined-voltage Source;
Ac and dc current source is separately connected the current signal input interface of protection equipment, electric current control by current output interface The first input end of circuit processed;
The voltage signal input interface that alterating and direct current potential source passes through voltage output interface connection protection equipment.
Specifically, the relay-protection tester in the application passes through ac and dc current source, the output of alterating and direct current potential source respectively Voltage needed for test, electric current to protection equipment.
Further, relay-protection tester includes controller, switch value input interface and output switch parameter interface;Electronics Load includes current control circuit and reception signal processing circuit;
The first input end of the current output interface connection current control circuit of relay-protection tester, controller is by opening Measure the second input terminal of output interface connection current control circuit in pass;The output end of current control circuit is for connecting protection equipment Exit relay connection jaws;The input terminal for receiving signal processing circuit is used for connection outlet relay wiring mouth, and output end is logical Cross switch value input interface connection controller.
I.e. electric current Time constant needed for the exportable test of relay-protection tester to protection equipment.Until the test of setting Terminate, records experimental result and experimental data.
And all parameters needed for the exportable test of relay-protection tester are (for example, between retest number, retest Every time etc.).The automatic number set by setting circulation.After record experimental result and experimental data.The record of data By can electronic load acquisition protection the amount of outputing output signal record.Wherein, exit relay has high current to flow through Shi Huifa Heat.It must radiate the spaced time, facilitate the same endurance quality of real reliability for measuring relay in this way.
Meanwhile in a specific embodiment, controller is the processor of DSP+ARM+CPLD kernel.
Specifically, the DSP (Digital Signal Processing) of controller can be responsible for signal sampling, processing meter It calculates;ARM (Advanced RISC Machines) can be responsible for the test and processing test result of time accuracy;CPLD (Complex Programmable Logic Device, Complex Programmable Logic Devices) can be responsible for the logic control of test process System, control, which is opened, realizes time measurement and recording into the amount of outputing.
In a specific embodiment, electronic load is program-control electronic load.
In a specific embodiment, program-control electronic load is digital program controlled electronic load.
It can define, based on relay-protection tester and digital program controlled electronic load, to the exit relay of protection equipment It is tested;The application uses split type Combination Design, and each function separates, can reduce the complexity of test equipment, reduce each function Influencing each other for energy, improves the unfailing performance of each function.
More than, various test ginsengs can be arranged for the performance test demand of various protection equipment export relays in the application Number, for example, 1) voltage levels;2) size of current;3) electric current Time constant;4) retest number;5) when retest interval Between;6) test number of repetition setting.Specifically, output voltage height, phase can be arbitrarily arranged based on the application on demand, it can When arbitrarily setting exports size of current, setting current output time, retest number and retest interval on demand Between.The application can arbitrarily be set above-mentioned parameter, and final statistical test result by test request.
In one embodiment, as shown in Fig. 2, providing a kind of exit relay performance test apparatus, including relay is protected Protect tester 200 and electronic load 210;It further include programmable power supply 220;
The current signal input that the current output interface of relay-protection tester 200 is used to connect external shielding equipment connects Mouthful, the voltage output interface of relay-protection tester 200 is used to connect the voltage signal input interface of protection equipment;
Relay-protection tester 200 includes controller 202, switch value input interface and output switch parameter interface;Electronic Negative Carrying 210 includes current control circuit 212 and reception signal processing circuit 214;
The first input end of the current output interface connection current control circuit 212 of relay-protection tester, controller 202 The second input terminal of current control circuit 212 is connected by output switch parameter interface;The output end of current control circuit 212 is used for The exit relay connection jaws of connection protection equipment;
The input terminal for receiving signal processing circuit 214 is used for connection outlet relay wiring mouth, and output end passes through switching value Input interface connects controller 202;
The input terminal of programmable power supply 220 connects controller 200, and output end connects the third input of current control circuit 212 End.
Specifically, the current signal that the current output interface of relay-protection tester is used to connect external shielding equipment is defeated Incoming interface, the voltage output interface of relay-protection tester are used to connect the voltage signal input interface of protection equipment;That is relay Voltage needed for protection tester can export test respectively, electric current to protection equipment.
Meanwhile the relay-protection tester in the application can pass through ac and dc current source, the output of alterating and direct current potential source respectively Voltage needed for test, electric current to protection equipment.
In a specific embodiment, programmable power supply is the digital program controlled power supply of 7500VA.
Wherein, electronic load can be digital program controlled electronic load.I.e. the application may include relay-protection tester, The digital program controlled power supply of 7500VA and digital program controlled electronic load.
1) voltage levels: voltage needed for the application can export test by system software controls relay-protection tester arrives Protective device.
2) size of current: electric current needed for the application can export test by system software controls relay-protection tester arrives Protective device.
3) electric current Time constant: electricity needed for the application can export test by system software controls relay-protection tester Stream perseverance is timed to protective device.Until the off-test of setting, experimental result and experimental data are recorded.
4) retest number: institute needed for the application can export test by system software controls relay-protection tester There is parameter.The automatic number set by setting circulation.After record experimental result and experimental data.The record of data passes through The digital program controlled electronic load acquisition protection amount of outputing outputs signal record.
5) retest interval time: the application can be exported needed for test by system software controls relay-protection tester All parameters.Exit relay can generate heat when having high current to flow through.It must radiate the spaced time, facilitate to survey in this way Obtain the same endurance quality of real reliability of relay.
More than, the application is based on relay-protection tester, electronic load and programmable power supply, can arbitrarily be arranged on demand defeated Output size of current setting current output time, retest number, again can be arbitrarily arranged in voltage levels, phase out on demand Multiple test interval, and then fully automatically exit relay is tested by test request.The application can be tested truly It protects whether exit relay used in equipment reaches design requirement and durability out, greatly reduces the work of tester Amount, improves testing efficiency.The application uses split type Combination Design, and each function separates, and can reduce the complexity of test equipment, Reduce influencing each other for each function, improves the unfailing performance of each function.
In one embodiment, as shown in figure 3, providing a kind of exit relay performance test apparatus, the equipment after Electric protection tester, electronic load and programmable power supply can be placed in cabinet;
The one side of cabinet is equipped with display screen and input unit;
Current output interface, voltage output interface, switch value input interface and output switch parameter interface are each provided at cabinet On one side.
Specifically, the application uses split type Combination Design, each function is separated, and can reduce the complexity of test equipment, Reduce influencing each other for each function, improves the unfailing performance of each function.Output voltage height, phase can be arbitrarily set on demand, Output size of current setting current output time, retest number, retest interval time can be arbitrarily set on demand, into And fully automatically by test request test exit relay.
In a specific embodiment, display screen is liquid crystal display or electric ink display screen;
Input unit is the touch layer that covers on display screen, key, trace ball or the Trackpad being arranged on cabinet and outer Keyboard, Trackpad or the mouse connect.
Specifically, display screen can be liquid crystal display or electric ink display screen, input unit can be display The touch layer covered on screen is also possible to the key being arranged on computer equipment shell, trace ball or Trackpad, can also be outer Keyboard, Trackpad or mouse for connecing etc..
It will be understood by those skilled in the art that structure shown in Fig. 3, only part relevant to application scheme is tied The block diagram of structure, does not constitute the restriction for the equipment being applied thereon to application scheme, and specific equipment may include than figure Shown in more or fewer components, perhaps combine certain components or with different component layouts.
In one embodiment, as shown in figure 4, providing a kind of test macro, including protection equipment and connection protection The exit relay performance test apparatus of equipment.
Wherein, exit relay performance test apparatus, including relay-protection tester and electronic load;It further include program-controlled Power supply;
The current output interface of relay-protection tester is used to connect the current signal input interface of external shielding equipment, after The voltage output interface of electric protection tester is used to connect the voltage signal input interface of protection equipment;
Relay-protection tester includes controller, switch value input interface and output switch parameter interface;Electronic load includes Current control circuit and reception signal processing circuit;
The first input end of the current output interface connection current control circuit of relay-protection tester, controller is by opening Measure the second input terminal of output interface connection current control circuit in pass;The output end of current control circuit is for connecting protection equipment Exit relay connection jaws;The input terminal for receiving signal processing circuit is used for connection outlet relay wiring mouth, and output end is logical Cross switch value input interface connection controller.The input terminal of programmable power supply connects controller, and output end connects current control circuit Third input terminal.
It should be noted that the control of the electronic load current in Fig. 4 can be used in the function of current control circuit in the application Module is corresponding to be realized;The function that signal processing circuit is received in the application can be used electronic load reception signal processing module and correspond to It realizes;The corresponding realization of the DSP+ARM+CPLD kernel in Fig. 4 can be used in the function of controller in the application.And protect the electricity of equipment Protective current voltage signal input port in pressure signal input interface, current signal input interface corresponding diagram 4.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of exit relay performance test apparatus, which is characterized in that including relay-protection tester and electronic load;Institute The current output interface for stating relay-protection tester is used to connect the current signal input interface of external shielding equipment, the relay The voltage output interface of protection tester is used to connect the voltage signal input interface of the protection equipment;
The relay-protection tester includes controller, switch value input interface and output switch parameter interface;The electronic load Including current control circuit and receive signal processing circuit;
The current output interface of the relay-protection tester connects the first input end of the current control circuit, the control Device connects the second input terminal of the current control circuit by the output switch parameter interface;The current control circuit it is defeated Outlet is used to connect the exit relay connection jaws of the protection equipment;
The input terminal for receiving signal processing circuit is opened for connecting the exit relay connection jaws, output end by described It measures input interface and connects the controller in pass.
2. exit relay performance test apparatus according to claim 1, which is characterized in that further include programmable power supply;
The input terminal of the programmable power supply connects the controller, and output end connects the third input of the current control circuit End.
3. exit relay performance test apparatus according to claim 2, which is characterized in that the programmable power supply is The digital program controlled power supply of 7500VA.
4. exit relay performance test apparatus according to claim 1, which is characterized in that the relay-protection tester It further include ac and dc current source and alterating and direct current potential source;
The ac and dc current source is connect by the current signal input that the current output interface is separately connected the protection equipment The first input end of mouth, the current control circuit;
The alterating and direct current potential source connects the voltage signal input interface of the protection equipment by the voltage output interface.
5. exit relay performance test apparatus according to claim 1, which is characterized in that the controller is DSP+ The processor of ARM+CPLD kernel.
6. exit relay performance test apparatus according to claim 1, which is characterized in that the electronic load is program-controlled Electronic load.
7. exit relay performance test apparatus according to claim 6, which is characterized in that the program-control electronic load is Digital program controlled electronic load.
8. exit relay performance test apparatus according to claim 2 or 3, which is characterized in that the relay protection is surveyed Examination instrument, the electronic load and the programmable power supply are placed in cabinet;
The one side of the cabinet is equipped with display screen and input unit;
The current output interface, the voltage output interface, the switch value input interface and the output switch parameter interface It is each provided on the one side of the cabinet.
9. exit relay performance test apparatus according to claim 8, which is characterized in that
The display screen is liquid crystal display or electric ink display screen;
The input unit is the touch layer covered on the display screen, key, trace ball or the touch-control being arranged on the cabinet Plate and external keyboard, Trackpad or mouse.
10. a kind of test macro, which is characterized in that including protection equipment and connection it is described protection equipment such as claim 1 To exit relay performance test apparatus described in 9 any one.
CN201821419689.1U 2018-08-30 2018-08-30 Exit relay performance test apparatus and test macro Expired - Fee Related CN208818807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821419689.1U CN208818807U (en) 2018-08-30 2018-08-30 Exit relay performance test apparatus and test macro

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821419689.1U CN208818807U (en) 2018-08-30 2018-08-30 Exit relay performance test apparatus and test macro

Publications (1)

Publication Number Publication Date
CN208818807U true CN208818807U (en) 2019-05-03

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Application Number Title Priority Date Filing Date
CN201821419689.1U Expired - Fee Related CN208818807U (en) 2018-08-30 2018-08-30 Exit relay performance test apparatus and test macro

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110763934A (en) * 2019-10-14 2020-02-07 许继电气股份有限公司 Relay protection testing arrangement
CN111007345A (en) * 2019-12-27 2020-04-14 广东电网有限责任公司电力科学研究院 Tester and test system of safety automatic device
CN112595917A (en) * 2020-12-24 2021-04-02 南京蓝园精瑞电气有限公司 Automatic detection table capable of flexibly adapting to different power equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110763934A (en) * 2019-10-14 2020-02-07 许继电气股份有限公司 Relay protection testing arrangement
CN111007345A (en) * 2019-12-27 2020-04-14 广东电网有限责任公司电力科学研究院 Tester and test system of safety automatic device
CN112595917A (en) * 2020-12-24 2021-04-02 南京蓝园精瑞电气有限公司 Automatic detection table capable of flexibly adapting to different power equipment

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