CN206161804U - Accuse circuit breaker dropout testing arrangement is taken to intelligence - Google Patents
Accuse circuit breaker dropout testing arrangement is taken to intelligence Download PDFInfo
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Abstract
The utility model discloses an accuse circuit breaker dropout testing arrangement is taken to intelligence belongs to testing arrangement technical field. The utility model provides a testing capabilities dispersion of current standard attribute testing platform, low, the inside efficiency and accuracy who has inharmonic defect scheduling problem, improvement circuit breaker dropout test of test system of integrated level to a man -machine interface of it is tangible is provided. The utility model discloses a switch board includes station frock clamp, insulation board, standard test wire and temperature sensing contact with wiring cabinet, the cabinet of wherein working a telephone switchboard, control section includes test unit, industrial control computer, touch -sensitive screen, opens and stops button, experimental power. Test unit includes that protection switch, current booster, mutual -inductor, constant current source, chronograph, voltage power consumption acquisition module, multichannel temperature rise patrol and examine the appearance. The utility model is suitable for a taking the dropout test of controlling the circuit breaker, having characteristics such as the configuration is easy, fast, the fault rate low, easy operation, market prospect is wide.
Description
Technical field
The utility model is related to a kind of circuit breaker tripping test device, and especially a kind of intelligence takes control circuit breaker tripping test
Device, belongs to test device technical field.
Background technology
Low-voltage circuit breaker, is that one kind not only can be connected and disjunction normal duty electric current and overload electric current, can also be connect
The device for switching of logical and disjunction short circuit current.Any moment of the breaker in making process, if protection act is connected tripping back
Road, breaker can reliably disconnect, and be referred to as automatically jumping.Breaker with automatically jumping function, it is ensured that breaker
During together in short trouble, can disconnect rapidly, it is to avoid expand accident scope.The electrical apparatus release type of breaker is divided into overcurrent release
Device, under-voltage release, shunt release etc..Low-voltage circuit breaker in circuit except rise control action in addition to, also with certain guarantor
Shield is threaded off, such as load, short circuit, under-voltage and electric leakage.According to the intelligentized demand of China's supply network, State Grid Corporation of China requires
Supply network is intelligent.Therefore the end effector of supply network is needed --- expense control breaker performs upper end signal and possesses jump
Lock, combined floodgate tripping function.Therefore the current development trend of low pressure expense control breaker be except possess traditional manual divide-shut brake and
Over-current and -load is threaded off outer automatically, in addition it is also necessary to electronic divide-shut brake, and realize remotely control；Electric energy meter is especially combined, it is real
Show arrearage automatic trip power-off and fill the tripping functions such as expense automatic closing electricity, this just proposes higher requirement to taking control breaker.
At any moment of the breaker in making process, if protection act connects trip(ping) circuit, breaker can reliably disconnect, be referred to as
Thread off.Breaker with tripping function, it is ensured that when breaker is together in short trouble, can disconnect rapidly, it is to avoid expand thing
Therefore scope.The electrical apparatus release type of breaker is divided into overcurrent trip, under-voltage release, shunt release etc..
In order to ensure the product quality of breaker, must be with standard feature testing stand to miniature circuit breaker when breaker dispatches from the factory
In 1.13 times of rated current, the macroscopic test electric current of designated time and 1.45 times of rated current, the high power of designated time test electricity
The time for flowing down-current protection feature carries out detection check, traditional miniature circuit breaker standard feature testing stand have by one
Individual experiment power supply is exported the test current of each test unit by secondary parallel, the switching of test period by time relay control,
What is had also arranges experiment power supply by test unit, but commonly uses 50 hertz of AC low-tension sources, recommends by high power transistor composition
Output test electric current.There is test function dispersion in traditional standard feature testing stand, integrated level is low, test system inside is present not
The problems such as defect of coordination, fault rate is higher；Simultaneously more manual intervention is needed, it is difficult to meet modern expense control breaker test
Require.Therefore need the new intelligence expense control circuit breaker tripping method of testing of research and device.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of intelligence expense control circuit breaker tripping test device, solves existing
There is the test function dispersion of standard feature testing stand, integrated level is low, it is uncoordinated to there are problems that inside test system, carry
The efficiency and precision of high circuit breaker tripping test job, simplifies operating procedure.
In order to solve above-mentioned technical problem, the utility model provides a kind of intelligence and takes control circuit breaker tripping test device,
Including wiring cabinet and switch board, the wiring cabinet is connected with switch board by holding wire between cabinet, and switch board passes through test signal
Holding wire is sent to wiring cabinet between cabinet, and wiring cabinet sends the status signal of tested breaker to control by holding wire between cabinet
Cabinet；The wiring cabinet is used for the connection and fixation of tested breaker in circuit breaker tripping test process, and the switch board is used to break
The execution and control of road device dropout test.
The wiring cabinet includes station frock clamp, insulation board and code test wire, and wherein insulation board is arranged on described
The outer surface of wiring cabinet, station frock clamp is on insulation board；Code test wire is located in insulation board, and between the cabinet
Holding wire is connected；The station frock clamp is used to for tested breaker to be fixed on wiring cabinet, and insulation board is used to prevent wiring
The electric leakage of cabinet, code test wire is used to test signal is transmitted to tested breaker.
The wiring cabinet is provided with TEMP contact, is connected by holding wire between TEMP wire and the cabinet, is used for
The temperature of tested breaker is perceived, and temperature information is sent to the switch board.
The switch board includes test unit, industrial PC, start-stop button and experiment power supply；Test unit is used for breaker
The signal of dropout test occurs and processes, and used as the information processing centre for testing, start-stop button is used to control test industrial PC
Start and stop, experiment power supply is used to provide operating voltage or operating current needed for test unit；
Holding wire is connected between the output end of the test unit and the cabinet, and test signal is sent to wiring cabinet；
The industrial PC is connected with the communication module of test unit, and industrial PC sends control signals to test sheet
Unit, test unit sends test data to industrial PC；
The start-stop button is arranged on the outer surface of switch board, is connected with industrial PC by start stop signal line；
The experiment power supply is connected by experiment power supply line with test unit, the experiment power supply by power command line with
Industrial PC is connected.
The switch board is provided with touch-screen, is arranged on the outer surface of switch board, and is connected with the man-machine interface of industrial PC；
The touch-screen provides the operation interface that can pass through touch input basic setup information, and by basic setup information transmission to described
Industrial PC, industrial PC shows the real-time status of tested breaker by touch-screen.
Programmable controller PLC is provided with the industrial PC, for controlling the output of test signal.
The experiment power supply is made up of variable ratio frequency changer current source, operator by the industrial PC set position, the time, times
Number, and experiment power supply is calibrated.
The test unit includes protection switch, current lifting device, transformer, constant-current source, calculagraph, voltage power consumption collection mould
Block, multichannel temperature rise logging；
The protection switch located at test unit outside, for controlling the break-make of whole test unit circuit, prevent because
The damage of the extremely caused test unit of test device or tested breaker；
The current lifting device is parallel to protection switch, for verifying current transformer ratio；
The transformer is connected with the output end of current lifting device, for measuring and protection test unit；
First input/output terminal of the constant-current source is connected with protection switch, the second input/output terminal and the up-flow of constant-current source
Device is connected, and the 3rd input/output terminal of constant-current source is connected with transformer, the 4th input/output terminal and calculagraph, the voltage of constant-current source
Power consumption collection module, multichannel temperature rise logging are connected；The constant-current source is used to provide the basis electricity of all parts in test unit
Stream；
The calculagraph is connected with the 4th input/output terminal of constant-current source, for the record of testing time；
The voltage power consumption collection module is connected with the 4th input/output terminal of constant-current source, for tested disconnected in process of the test
The collection of the power consumption of road device；
The multichannel temperature rise logging is connected with the 4th input/output terminal of constant-current source, for tested open circuit in process of the test
The record of device temperature and display.
The utility model wiring cabinet is provided with insulation board, prevents the electric leakage of cabinet, ensures the peace of circuit breaker tripping test job
Standard-sized sheet exhibition.
The utility model is provided with programmable controller PLC, and PLC is loaded with PID softwares control formula, to accelerate to test
Journey, is precisely controlled frequency, amplitude, the phase place of test voltage or electric current, is conducive to improving measuring accuracy.
The utility model is provided with touch-screen on switch board, completes to test basic setup and the real-time display of test mode,
Easy to operate, man-machine interaction is preferable.
Test unit of the present utility model has the universal architecture for completing the various tests of threading off of breaker, with preferable work(
Can expansion and compatibility.
Protection switch is provided with test unit of the present utility model, the break-make of whole test unit circuit is automatically controlled, is prevented
Only because of the damage of the extremely caused test unit of test device or tested breaker.
The utility model from frequency conversion current source as experiment power supply, can according to test need to select different gears,
Time, multiple, are conducive to improving measuring accuracy, strengthen compatibility of the present utility model.
The utility model by wiring cabinet in combination with switch board, simple structure, easy to operate, man-machine interaction and automation
Degree is higher, and integrated various test functions are in one：Instantaneous trip performance test, short-circuit Interruption test, high temperature are threaded off and are tried
Test, low temperature trip-gear etc.；And support the test of different model breaker, with improving test speed with measuring accuracy, protection
Tested breaker etc. is acted on.
Description of the drawings
Fig. 1 is wiring cabinet external structure of the present utility model；Fig. 2 is switch board external structure of the present utility model；
Fig. 3 is the internal structure line map of test unit described in the utility model；
In figure：1. wiring cabinet, 2. station frock clamp, 3. insulation board, 4. switch board, 5. touch-screen, 6. start-stop button,
7. protection switch, 8. current lifting device, 9. transformer, the 10. output end of test unit, 11. constant-current sources, 12. calculagraphs, 13.
Voltage power consumption collection module, 14. multichannel temperature rise loggings, 15. communication modules.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with specific embodiment, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
Embodiment 1：
Referring to the drawings 1 with accompanying drawing 2, the present embodiment is mainly made up of wiring cabinet 1 with switch board 4, wiring cabinet 1 and switch board 4
For two independent cabinets, it is connected by holding wire between cabinet；Switch board 4 sends test signal to wiring cabinet by holding wire between cabinet
1, wiring cabinet 1 sends the status signal of tested breaker to switch board 4 by holding wire between cabinet.Cabinet adopts aluminium alloy extrusions
Skeleton is built and is supported, and cabinet surface is closed with stainless steel faceplate.Connection part includes 15 station frock clamps 2, insulation
3,15 code test wires of plate and 15 TEMP contacts；Wherein insulation board 3 is arranged on the lateral surface of wiring cabinet 1
Plate, station frock clamp 2 is on insulation board 3；Code test wire is in insulation board 3, and holding wire is connected between cabinet；Work
Bit fixture clamp 2 is used to for tested breaker to be fixed on wiring cabinet 1, and insulation board 3 is used to prevent the electric leakage of wiring cabinet 1, standard
Test lead is used to test signal is transmitted to tested breaker.TEMP contact passes through signal between TEMP wire and cabinet
Line is connected, for perceiving the real time temperature of tested breaker.Control section includes 15 test units, industrial PC, touches
Screen 5, start-stop button 6 and ten variable ratio frequency changer current sources.Select holding wire phase between the output end 10 of one of test unit and cabinet
Even；Industrial PC is connected with the communication module 15 of test unit；Start-stop button 6 is arranged on the outer side panel of switch board, is passed through
Start stop signal line is connected with industrial PC.One of variable ratio frequency changer current source is selected by experiment power supply line and test unit phase
Even, variable ratio frequency changer current source is connected by power command line with industrial PC.Touch-screen 5 is arranged on the outer side panel of switch board 4,
And be connected with the man-machine interface of industrial PC.Programmable controller PLC is provided with industrial PC, PLC is loaded with the control of PID softwares
Formula, for controlling the output of test signal.Referring to the drawings 3, each test unit is made up of electricity device and its connecting wire,
Patrol including protection switch 7, current lifting device 8, transformer 9, constant-current source 11, calculagraph 12, voltage power consumption collection module 13, multichannel temperature rise
Inspection instrument 14, communication module 15.Protection switch 7 is located at the outside of test unit, for controlling the break-make of whole test unit circuit,
Prevent the damage because of the extremely caused test unit of test device or tested breaker.Current lifting device 8 is parallel to protection switch 7, uses
In the verification no-load voltage ratio of current transformer 9；Transformer 9 is connected with the output end of current lifting device 8, for measuring and protection test unit.It is permanent
First input/output terminal in stream source 11 is connected with protection switch 7, and the second input/output terminal of constant-current source 11 is connected with current lifting device 8,
3rd input/output terminal of constant-current source 11 is connected with transformer 9, the 4th input/output terminal and the calculagraph 12, voltage of constant-current source 11
Power consumption collection module 13, multichannel temperature rise logging 14, communication module 15 are connected.Constant-current source 11 is used to providing in test unit each
The base current of part；Calculagraph 12 is used for the record of testing time；Voltage power consumption collection module 13 is used for quilt in process of the test
Survey the collection of the power consumption of breaker；Multichannel temperature rise logging 14 is used in process of the test the record of tested breaker temperature and aobvious
Show.All of input/output interface adopts RS-232 communication standards in the present embodiment.
Utility model works flow process is as follows：First, according to tested breaker specification, model, adjustment station frock folder
Tool 2 so that tested breaker is placed in tune with the test station of wiring cabinet 1 and fixes.Specification, model according to tested breaker,
Corresponding code test wire is selected, and is connected with the signal end of tested breaker；TEMP contact is fixed on tested disconnected
The surface of road device.Operator is by the input test basic setup information of touch-screen 5；Rated current and school according to tested breaker
Test multiple, most suitable one selected from ten variable ratio frequency changer current sources and is calibrated, subsequently arrange gear that test needs, when
Between, multiple.Industrial PC carries out corresponding configuration to internal environment automatically according to the basic setup information that touch-screen 5 is sended over.
Operator is pressed after start-stop button 6, on-test, and start and stop instruction is sent to industrial PC, while variable ratio frequency changer current source is to examination
The operating current of verification certificate unit output setting；Industrial PC to the communication module 15 of test unit sends real-time control information, test
Unit to tested breaker sends initial minimum test signal.Current lifting device 8, up-flow are connected in the output of constant-current source 11 in test unit
Device 8 exports through transformer 9 to change size of current；The output end of transformer 9（Secondary circuit）The 5A for connecting constant-current source 11 is electric
Stream signal.The action signal of tested breaker pass through between code test wire and cabinet holding wire to industrial PC, tested breaker
Temperature information perceived by TEMP contact and sent to multichannel temperature rise logging 14；Industrial PC is simultaneously by tested open circuit
The real-time status of device is shown by touch-screen 5.Under the excitation of 1.13 times and less than 1.13 times rated current, if tested disconnected
There is trip action signal in road device, then terminate current test, records the tested breaker " early to jump unqualified ", and by test result
Exported by touch-screen 5.Under the excitation of the rated current between 1.13 times to 1.45 times, if threading off occurs in tested breaker
Action signal, then the tested breaker test passes, industrial PC is after current test signal and basic test information record
Terminate current test, and test result is exported by touch-screen 5.If there is not trip action signal in tested breaker,
Industrial PC to test unit sends new control information, and test unit to tested breaker sends next stage test signal（Press
Certain increment increases the electric current of output）, repeat the above steps, until trip action signal occurs in tested breaker.If test
Unit is by test signal（Electric current）Increase to 1.45 times of rated current, trip action letter does not occur all the time in tested breaker
Number, then terminate current test, the tested breaker " evening jumps unqualified " is recorded, and test result is exported by touch-screen 5.Survey
Due to extraneous factor during examination（Such as temperature）During caused breaker actuation error, test result should be given according to actual conditions
Amendment.Then operator repeats the present embodiment step, carries out next test.
Embodiment 2：
Referring to the drawings 1 with accompanying drawing 2, the present embodiment is mainly made up of wiring cabinet 1 with switch board 4, wiring cabinet 1 and switch board 4
For two independent cabinets, it is connected by holding wire between cabinet；Switch board 4 sends test signal to wiring cabinet by holding wire between cabinet
1, wiring cabinet 1 sends the status signal of tested breaker to switch board 4 by holding wire between cabinet.Cabinet adopts aluminium alloy extrusions
Skeleton is built and is supported, and cabinet surface is closed with stainless steel faceplate.Connection part includes 15 station frock clamps 2, insulation
3,15 code test wires of plate and 15 TEMP contacts；Wherein insulation board 3 is arranged on the lateral surface of wiring cabinet 1
Plate, station frock clamp 2 is on insulation board 3；Code test wire is in insulation board 3, and holding wire is connected between cabinet；Work
Bit fixture clamp 2 is used to for tested breaker to be fixed on wiring cabinet 1, and insulation board 3 is used to prevent the electric leakage of wiring cabinet 1, standard
Test lead is used to test signal is transmitted to tested breaker.TEMP contact passes through signal between TEMP wire and cabinet
Line is connected, for perceiving the real time temperature of tested breaker.Control section includes 15 test units, industrial PC, touches
Screen 5, start-stop button 6 and ten variable ratio frequency changer current sources.Select holding wire phase between the output end 10 of one of test unit and cabinet
Even；Industrial PC is connected with the communication module 15 of test unit；Start-stop button 6 is arranged on the outer side panel of switch board, is passed through
Start stop signal line is connected with industrial PC.One of variable ratio frequency changer current source is selected by experiment power supply line and test unit phase
Even, variable ratio frequency changer current source is connected by power command line with industrial PC.Touch-screen 5 is arranged on the outer side panel of switch board 4,
And be connected with the man-machine interface of industrial PC.Digital signal processor DSP is provided with industrial PC, DSP is loaded with PID software controls
Processing procedure formula, for controlling the output of test signal.Referring to the drawings 3, each test unit is by electricity device and its connecting wire structure
Into, including protection switch 7, current lifting device 8, transformer 9, constant-current source 11, calculagraph 12, voltage power consumption collection module 13, multichannel temperature
Rise logging 14, communication module 15.Protection switch 7 is located at the outside of test unit, for controlling whole test unit circuit
Break-make, prevents the damage because of the extremely caused test unit of test device or tested breaker.Current lifting device 8 is parallel to protection switch
7, for verifying the no-load voltage ratio of current transformer 9；Transformer 9 is connected with the output end of current lifting device 8, for measuring and protection test list
Unit.First input/output terminal of constant-current source 11 is connected with protection switch 7, the second input/output terminal and the current lifting device 8 of constant-current source 11
It is connected, the 3rd input/output terminal of constant-current source 11 is connected with transformer 9, the 4th input/output terminal of constant-current source 11 and calculagraph
12nd, voltage power consumption collection module 13, multichannel temperature rise logging 14, communication module 15 are connected.Constant-current source 11 is used to provide test sheet
The base current of all parts in first；Calculagraph 12 is used for the record of testing time；Voltage power consumption collection module 13 is used to test
During tested breaker power consumption collection；Multichannel temperature rise logging 14 is used for the note of tested breaker temperature in process of the test
Record and display.All of input/output interface adopts RS-485 communication standards in the present embodiment.
Utility model works flow process is as follows：First, according to tested breaker specification, model, adjustment station frock folder
Tool 2 so that tested breaker is placed in tune with the test station of wiring cabinet 1 and fixes.Specification, model according to tested breaker,
Corresponding code test wire is selected, and is connected with the signal end of tested breaker；TEMP contact is fixed on tested disconnected
The surface of road device.Operator is by the input test basic setup information of touch-screen 5；Rated current and school according to tested breaker
Test multiple, most suitable one selected from ten variable ratio frequency changer current sources and is calibrated, subsequently arrange gear that test needs, when
Between, multiple.Industrial PC carries out corresponding configuration to internal environment automatically according to the basic setup information that touch-screen 5 is sended over.
Operator is pressed after start-stop button 6, on-test, and start and stop instruction is sent to industrial PC, while variable ratio frequency changer current source is to examination
The operating current of verification certificate unit output setting；Industrial PC to the communication module 15 of test unit sends real-time control information, test
Unit to tested breaker sends initial minimum test signal.Current lifting device 8, up-flow are connected in the output of constant-current source 11 in test unit
Device 8 exports through transformer 9 to change size of current；The output end of transformer 9（Secondary circuit）The 5A for connecting constant-current source 11 is electric
Stream signal.The action signal of tested breaker pass through between code test wire and cabinet holding wire to industrial PC, tested breaker
Temperature information perceived by TEMP contact and sent to multichannel temperature rise logging 14；Industrial PC is simultaneously by tested open circuit
The real-time status of device is shown by touch-screen 5.Under the excitation of 1.13 times and less than 1.13 times rated current, if tested disconnected
There is trip action signal in road device, then terminate current test, records the tested breaker " early to jump unqualified ", and by test result
Exported by touch-screen 5.Under the excitation of the rated current between 1.13 times to 1.45 times, if threading off occurs in tested breaker
Action signal, then the tested breaker test passes, industrial PC is after current test signal and basic test information record
Terminate current test, and test result is exported by touch-screen 5.If there is not trip action signal in tested breaker,
Industrial PC to test unit sends new control information, and test unit to tested breaker sends next stage test signal（Press
Certain increment increases the electric current of output）, repeat the above steps, until trip action signal occurs in tested breaker.If test
Unit is by test signal（Electric current）Increase to 1.45 times of rated current, trip action letter does not occur all the time in tested breaker
Number, then terminate current test, the tested breaker " evening jumps unqualified " is recorded, and test result is exported by touch-screen 5.Survey
Due to extraneous factor during examination（Such as temperature）During caused breaker actuation error, test result should be given according to actual conditions
Amendment.Then operator repeats the present embodiment step, carries out next test.
It is of the present utility model to have technical effect that：By presetting, industrial PC using programmable controller PLC with
PID softwares control formula, significantly improve test rate；Multiple station frock clamps are provided with, different size, model is effectively supported
Test job while breaker；TEMP contact and multichannel temperature rise logging are set, and accurately monitoring sample is real-time
Temperature；Multiple test units are set, while completing the various tests of threading off of breaker；Multiple frequency conversion current sources are provided with, can basis
Test needs to select different gear, time, multiples, is conducive to improving dropout measuring accuracy, strengthens compatibility of the present utility model
Property.The utility model is particularly well-suited to the dropout test of expense control breaker, with rational in infrastructure, precision is good, inexpensive, efficiency high
The advantages of, extensive market has good economic and social benefit.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (8)
1. a kind of intelligence takes control circuit breaker tripping test device, including wiring cabinet and switch board, it is characterised in that the wiring cabinet
It is connected by holding wire between cabinet with switch board, switch board sends test signal to wiring cabinet, wiring cabinet by holding wire between cabinet
The status signal of tested breaker is sent to switch board by holding wire between cabinet；The wiring cabinet is for circuit breaker tripping test
During tested breaker connection and fixation, the switch board be used for circuit breaker tripping test execution with control.
2. intelligence according to claim 1 takes control circuit breaker tripping test device, it is characterised in that the wiring cabinet includes
Station frock clamp, insulation board and code test wire, wherein insulation board are arranged on the outer surface of the wiring cabinet, station frock
Fixture is on insulation board；Code test wire is in insulation board, and holding wire is connected between the cabinet；The station frock
Fixture is used to for tested breaker to be fixed on wiring cabinet, and insulation board is used to prevent the electric leakage of wiring cabinet, code test wire from using
In test signal is transmitted to tested breaker.
3. intelligence according to claim 1 and 2 takes control circuit breaker tripping test device, it is characterised in that the wiring cabinet
TEMP contact is provided with, is connected by holding wire between TEMP wire and the cabinet, for perceiving the temperature of tested breaker
Degree, and temperature information is sent to the switch board.
4. intelligence according to claim 1 takes control circuit breaker tripping test device, it is characterised in that the switch board includes
Test unit, industrial PC, start-stop button and experiment power supply；Test unit is used for the signal of circuit breaker tripping test to be occurred and place
Reason, used as the information processing centre for testing, start-stop button is used for the start and stop of control test to industrial PC, and experiment power supply is used to provide
Operating voltage or operating current needed for test unit；
Holding wire is connected between the output end of the test unit and the cabinet, and test signal is sent to wiring cabinet；
The industrial PC is connected with the communication module of test unit, and industrial PC sends control signals to test unit, examination
Verification certificate unit sends test data to industrial PC；
The start-stop button is arranged on the outer surface of switch board, is connected with industrial PC by start stop signal line；
The experiment power supply is connected by experiment power supply line with test unit, and the experiment power supply is by power command line and industry control
Computer is connected.
5. intelligence according to claim 4 takes control circuit breaker tripping test device, it is characterised in that the switch board is provided with
Touch-screen, is arranged on the outer surface of switch board, and is connected with the man-machine interface of industrial PC；The touch-screen is provided can be by touching
The operation interface of input basic setup information is touched, and by basic setup information transmission to the industrial PC, industrial PC will be by
The real-time status for surveying breaker is shown by touch-screen.
6. the intelligence according to claim 4 or 5 takes control circuit breaker tripping test device, it is characterised in that the industry control electricity
Intracerebral is provided with programmable controller PLC, for controlling the output of test signal.
7. it is according to claim 4 intelligence take control circuit breaker tripping test device, it is characterised in that the experiment power supply by
Variable ratio frequency changer current source is constituted, and operator carries out school by the industrial PC set position, time, multiple to experiment power supply
It is accurate.
8. intelligence according to claim 4 takes control circuit breaker tripping test device, it is characterised in that the test unit bag
Include protection switch, current lifting device, transformer, constant-current source, calculagraph, voltage power consumption collection module, multichannel temperature rise logging；
The protection switch, for controlling the break-make of whole test unit circuit, is prevented because of test located at the outside of test unit
The damage of the extremely caused test unit of device or tested breaker；
The current lifting device is parallel to protection switch, for verifying current transformer ratio；
The transformer is connected with the output end of current lifting device, for measuring and protection test unit；
First input/output terminal of the constant-current source is connected with protection switch, the second input/output terminal and the current lifting device phase of constant-current source
Even, the 3rd input/output terminal of constant-current source is connected with transformer, the 4th input/output terminal and calculagraph, the voltage power consumption of constant-current source
Acquisition module, multichannel temperature rise logging are connected；The constant-current source is used to provide the base current of all parts in test unit；
The calculagraph is connected with the 4th input/output terminal of constant-current source, for the record of testing time；
The voltage power consumption collection module is connected with the 4th input/output terminal of constant-current source, for tested breaker in process of the test
Power consumption collection；
The multichannel temperature rise logging is connected with the 4th input/output terminal of constant-current source, for tested breaker temperature in process of the test
The record of degree and display.
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| CN201621153592.1U CN206161804U (en) | 2016-10-31 | 2016-10-31 | Accuse circuit breaker dropout testing arrangement is taken to intelligence |
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| CN201621153592.1U CN206161804U (en) | 2016-10-31 | 2016-10-31 | Accuse circuit breaker dropout testing arrangement is taken to intelligence |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444739A (en) * | 2019-08-29 | 2021-03-05 | 中车长春轨道客车股份有限公司 | Testing device |
| CN113009329A (en) * | 2021-02-26 | 2021-06-22 | 许昌许继软件技术有限公司 | Tripping detection method and device for external circuit breaker of electric energy meter |
| CN113589218A (en) * | 2021-08-06 | 2021-11-02 | 广西电网有限责任公司贵港供电局 | Action tester of external circuit breaker of cost control electric energy meter |
-
2016
- 2016-10-31 CN CN201621153592.1U patent/CN206161804U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444739A (en) * | 2019-08-29 | 2021-03-05 | 中车长春轨道客车股份有限公司 | Testing device |
| CN113009329A (en) * | 2021-02-26 | 2021-06-22 | 许昌许继软件技术有限公司 | Tripping detection method and device for external circuit breaker of electric energy meter |
| CN113589218A (en) * | 2021-08-06 | 2021-11-02 | 广西电网有限责任公司贵港供电局 | Action tester of external circuit breaker of cost control electric energy meter |
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