CN2821593Y - Instantaneous property detector for plastic shell breaker - Google Patents

Instantaneous property detector for plastic shell breaker Download PDF

Info

Publication number
CN2821593Y
CN2821593Y CN 200520027579 CN200520027579U CN2821593Y CN 2821593 Y CN2821593 Y CN 2821593Y CN 200520027579 CN200520027579 CN 200520027579 CN 200520027579 U CN200520027579 U CN 200520027579U CN 2821593 Y CN2821593 Y CN 2821593Y
Authority
CN
China
Prior art keywords
test
circuit
signal wire
current
switch
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
CN 200520027579
Other languages
Chinese (zh)
Inventor
陆俭国
杜太行
骆燕燕
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.)
Hebei University of Technology
Hebei Polytechnic University
Original Assignee
Hebei University of Technology
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
Application filed by Hebei University of Technology filed Critical Hebei University of Technology
Priority to CN 200520027579 priority Critical patent/CN2821593Y/en
Application granted granted Critical
Publication of CN2821593Y publication Critical patent/CN2821593Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Breakers (AREA)

Abstract

The utility model relates to an instantaneous property test device for a plastic-case circuit breaker. The utility model is composed of a computer control cabinet and a working cabinet, wherein the computer control cabinet comprises an industrial control computer, a testing circuit and a control circuit; the working cabinet comprises a motor, a current regulation circuit and a test sample test gear; the industrial computer is respectively connected with the testing circuit and the control circuit; the testing circuit is respectively connected with the current regulation circuit and the test sample test gear; the control circuit is orderly connected with the motor and the current regulation circuit. The utility model realizes phase selection switching-on, eliminates the influence of the aperiodic component of a test current in an instantaneous property debugging test, realizes the real-time detecting of the parameters of currents and voltages of a test circuit, carries out microcomputer automatic control adjustment, guarantees the accuracy of the test current and solves the technological problem of the inaccurate test current caused by manual regulation, unequal resistance of test samples, loop resistance heat generation, room temperature variation, etc.; the utility model can be used in plastic-case circuit breaker with various models and with similar structures, and the utility model has universality.

Description

Plastic-casing circuit breaker instantaneous characteristic test device
Technical field:
The utility model belongs to a kind of test unit of isolating switch, particularly a kind of plastic-casing circuit breaker instantaneous characteristic test device that the switch electric equipment products is carried out the instantaneous characteristic debugging test.
Background technology:
Low-pressure plastic shell circuit breaker is the visual plant in the low-voltage electrical apparatus, is used for low-voltage distribution loop, motor or other consumer, is responsible for the electric current under connection, carrying and disjunction normal condition or the non-normal condition (as short circuit).
Along with the continuous development of science and technology, each side such as social production, life are more and more to the consumption of the energy, and the use with electric energy is the most extensive in the various energy.According to statistics, the generating set that a cover is 300,000 kilowatts needs 1,200,000 all kinds of low voltage components supporting with it, comprising 66000 of breaker of plastic casing.It is predicted that the whole nation needs additional issue electric weight 66,000,000,000-77,000,000,000 thousand ten thousand hour in the period of 2001-2005, moves calculatings (1997) in 13.1 hours average every day by national electric power unit, annual in the period of the 2001-2005 need average adding new capacity be about 21,000,000 kilowatts.Therefore, supporting by experience, need 4,620,000 of low-pressure plastic shell circuit breakers every year.Along with national economy is growing to the quantity of breaker of plastic casing demand, performance, quality requirements to breaker of plastic casing is more and more higher simultaneously, require dispatching from the factory of breaker of plastic casing to debug and test through more perfect dispatching from the factory, and the plastic-casing circuit breaker instantaneous characteristic debugging test is the big event in the delivery test, be the effective assurance means that improve the breaker of plastic casing q﹠r, so research plastic-casing circuit breaker instantaneous characteristic debugging technique, development plastic-casing circuit breaker instantaneous characteristic debugging apparatus have important significance for theories and realistic meaning.
The instantaneous characteristic of breaker of plastic casing is according to relevant regulations among the standard GB 14048.2-2001 " low voltage switch equipment and opertaing device low-voltage circuit breaker ", be meant that the low-voltage circuit breaker dropout limit and characteristic should meet following provisions: when test current equal the short-circuit current setting valve 80% the time, electrical apparatus release should be failure to actuate; When test current equal the short-circuit current setting valve 120% the time, electrical apparatus release should move.When the wink of carrying out multipole circuit breaker moving tripping characteristic test, the two poles of the earth of tested electrical equipment should be together in series, pass to that test current is threaded off or not during trip-gear, current duration is 0.2s in the moving tripping characteristic test of wink.
At present, aspect the related correlation technique of this test unit, domestic and international research mainly contains following several respects: the 1) end of the eighties, the appliance contact wear test station of U.S. Engelhowd company, requirement according to IEC158-1 is tested various types of contactors, and the connection of major loop and disjunction are realized by the traditional switch of solid-state relay control by computing machine, according to different sequential, control corresponding switch, realize the electrical endurance test of various use classes; 2) parameter measurement and data handling system are developed in US Westinghouse company and centre of development, this system can detect parameters such as trial voltage, electric current, have 10 sense channels, sampling interval 77 μ s, measuring accuracy 1% can show and print voltage, current waveform, still, this equipment can only be used for parameter detecting, can not control the process of test; 3) domestic, what Lu Jianguo, Li Zhigang professor chief editor's " electrical apparatus test technology and test method " and Lu Jianguo, professor Zhang Naikuan edited " discusses the circuit breaker instantaneous characteristic method of calibration in the treatise such as Machine Tool Electric Appliance verification test handbook.But with modern computing method, control theory and computer technology be applied to circuit breaker instantaneous characteristic debugging innovatively, development novel breaker instantaneous characteristic debugging apparatus also belongs to blank; 4) breaker of plastic casing wink is moved trip-gear, its conventional test method is carried out on the instantaneous checking table that dispatches from the factory at present, by discovering, the isolating switch setting current of instantaneous checking table verification is inaccurate, mainly is because factors such as voltage ripple of power network, test product internal resistance not of uniform sizely cause, the variation of closing phase angle difference, room temperature and test loop changes in resistance cause.
The utility model content
Problem to be solved in the utility model is at lacking at present modern computing method, control theory and computer technology to be applied to the circuit breaker instantaneous characteristic debugging test, utilizes the inaccurate present situation of isolating switch setting current of traditional instantaneous checking table verification and a kind of plastic-casing circuit breaker instantaneous characteristic test device is provided.This utility model has solved the Several Key Problems in the plastic-casing circuit breaker instantaneous characteristic test: studied the phase selection technology, fast fourier transform method is used for the calculating of mains frequency, circuit power factor and closing phase angle, designed the phase selection device on this basis, eliminate the influence of the aperiodic component of test current in the instantaneous characteristic debugging test, solved medium-term and long-term " existence of aperiodic component causes the false tripping of isolating switch " this technical barrier that exists of isolating switch industry; Electric current, the voltage parameter of real-time detection hookup have been realized, and carry out microcomputer automatic control and regulate, thereby guaranteed the precision of test current, solved the inaccurate technical barrier of test current that causes owing to factors such as manual adjustments, test product resistance do not wait, loop resistance heating, room temperature variations.In addition, the utility model can be taken into account the various model breaker of plastic casing of similar structures, has certain versatility.
The technical solution of the utility model is as follows:
The utility model utilizes modularized circuits such as industrial computer, testing circuit and control circuit that breaker of plastic casing is carried out the instantaneous characteristic test, utilizes in test the phase selection technology to eliminate the influence that non-periodic, the test current component was debugged plastic-casing circuit breaker instantaneous characteristic; Utilize electronic pressure regulation and computer control detection technique, detected electric current, the voltage parameter of hookup in real time, and can carry out the adjusting of a plurality of debugging detection gears in 6A~225A scope, the precision of warranty test electric current.
The utility model plastic-casing circuit breaker instantaneous characteristic test device comprises computer control cabinet and working cabined; Wherein, the computer control cabinet comprises industrial computer 1, testing circuit 2 and control circuit 3; Working cabined comprises that motor 4, current regulating circuit 5 and test product detect gear 6.Industrial computer 1 links to each other with control circuit 3 with testing circuit 2 respectively; Testing circuit 2 detects gear 6 with current regulating circuit 5 and test product respectively; Control circuit 3 links to each other with current regulating circuit 5 with motor 4 successively.This device has plural test product and detects gear (for example, establish 4 test products and detect gear), can test product be connected to the relevant detection gear according to the debugging test requirement.
Described current regulating circuit 5 comprises that experiment power supply 50, master switch 51, major loop gauge tap 52, ac solid relay 53, electronic automatic coupling voltage regulator 54, group control switch 55, strong current transformer 56, load circuit switch 57, inspection leakage resistance 58, balance resistance 59 and test product detect gear 6; Its connected mode is that experiment power supply 50 detects gear 6 and is connected through signal wire 500, master switch 51, signal wire 501, major loop gauge tap 52, signal wire 502, ac solid relay 53, signal wire 503, electronic automatic coupling voltage regulator 54, signal wire 504, group control switch 55, signal wire 505, strong current transformer 56, signal wire 506, load circuit switch 57, signal wire 507, inspection leakage resistance 58, signal wire 508, balance resistance 59, signal wire 509, test product successively, forms closed test loop after signal wire 510 takes back experiment power supply 50.
Described testing circuit 2 comprises electrical isolator 21,22,23 and high speed data acquisition system 24; Its connected mode is that electrical isolator 21,22,23 links to each other with high speed data acquisition system 24 through signal wire 212,222,232 respectively; Simultaneously, high speed data acquisition system 24 is connected with industrial computer 1 through data line 200; Experiment power supply 50 is connected with electrical isolator 21 through signal wire 211, and strong current transformer 56 secondary are connected with electrical isolator 22 through signal wire 221, and test product detects gear 6 and is connected with electrical isolator 23 through signal wire 231.
Described control circuit 3 comprises data collector 30, ac solid relay 31,32,33,34, gauge tap 35 and motor 4; Its connected mode is that industrial computer 1 is connected with data collector 30 by data line 300, the output interface of data collector 30 is connected with the input end of ac solid relay 31,32,33,34 by signal wire 310,320,330,340 respectively, ac solid relay 31 links to each other with electronic automatic coupling voltage regulator 54 by gauge tap 35, motor 4, ac solid relay 32 links to each other with major loop gauge tap 52, ac solid relay 33 links to each other with group control switch 55, and ac solid relay 34 links to each other with load circuit switch 57.
Motor 4 in the described control circuit 3 is the rotating motor.
The utility model compared with prior art has following main beneficial effect:
1, can be simultaneously carry out the instantaneous characteristic test, solve the problem that Industrial Control Computer is controlled test automatically many breaker of plastic casing;
2, the influence that non-periodic, the test current component was debugged plastic-casing circuit breaker instantaneous characteristic that traditional plastic-casing circuit breaker instantaneous characteristic test device produces can be eliminated, the q﹠r of breaker of plastic casing can be improved; Solve Detection ﹠ Controling test current technical matters quick and precisely, overcome the inaccurate shortcoming of test current that causes owing to factors such as manual adjustments, test product resistance do not wait, loop resistance heating, room temperature variations;
3, the test product rated current scope that can debug of test unit is 6A~225A, can obtain the required big electric current of test rapidly and accurately, and obtainable maximum current is 3500A.
4, test unit has 4 debugging detection gears, can test product be connected to the relevant detection gear according to the debugging test requirement.
5, according to the requirement of test, parameters such as test product rated current numerical value can be imported or revise to testing crew;
6, the automatic log of test unit energy can be preserved 500 test figures automatically, can output print detect data and detection waveform;
7, test unit has complete data protection function, and data are not lost behind the accident power-off, does not destroy the data of having gathered behind the power up.
Description of drawings
Fig. 1 is the plastic-casing circuit breaker instantaneous characteristic test device block diagram.
Fig. 2 is the current regulating circuit structural representation.
Fig. 3 is the testing circuit synoptic diagram.
Fig. 4 is the control circuit synoptic diagram.
Fig. 5 is a test run computer programme flow diagram of the present utility model.
Fig. 6 is the circuit diagram of the utility model plastic-casing circuit breaker instantaneous characteristic test device.
Embodiment:
Embodiment 1:
As seen from Figure 1, described plastic-casing circuit breaker instantaneous characteristic test device comprises computer control cabinet and working cabined; Wherein, the computer control cabinet comprises industrial computer 1, testing circuit 2 and control circuit 3; Working cabined comprises that motor 4, current regulating circuit 5 and test product detect gear 6.Industrial computer 1 links to each other with control circuit 3 with testing circuit 2 respectively; Testing circuit 2 detects gear 6 with current regulating circuit 5 and test product respectively and links to each other; Control circuit 3 links to each other with current regulating circuit 5 through motor 4.
Current regulating circuit 5 described in Fig. 1 comprises that experiment power supply 50, master switch 51, major loop gauge tap 52, ac solid relay 53, electronic automatic coupling voltage regulator 54, group control switch 55, strong current transformer 56, load circuit switch 57, inspection leakage resistance 58, balance resistance 59 and test product detect gear 6 as shown in Figure 2; Its connected mode is that experiment power supply 50 detects gear 6 and is connected through signal wire 500, master switch 51, signal wire 501, major loop gauge tap 52, signal wire 502, ac solid relay 53, signal wire 503, electronic automatic coupling voltage regulator 54, signal wire 504, group control switch 55, signal wire 505, strong current transformer 56, signal wire 506, load circuit switch 57, signal wire 507, inspection leakage resistance 58, signal wire 508, balance resistance 59, signal wire 509, test product successively, forms closed test loop after signal wire 510 takes back experiment power supply 50.
Testing circuit 2 described in Fig. 1 comprises electrical isolator 21,22,23 and high speed data acquisition system 24 as shown in Figure 3; Its connected mode is that electrical isolator 21,22,23 links to each other with high speed data acquisition system 24 through signal wire 212,222,232 respectively; Simultaneously, high speed data acquisition system 24 is connected with industrial computer 1 through data line 200; Experiment power supply 50 is connected with electrical isolator 21 through signal wire 211, and strong current transformer 56 secondary are connected with electrical isolator 22 through signal wire 221, and test product detects gear 6 and is connected with electrical isolator 23 through signal wire 231.
Control circuit 3 described in Fig. 1 comprises data collector 30, ac solid relay 31,32,33,34, gauge tap 35 and motor 4 as shown in Figure 4; Its connected mode is that industrial computer 1 is connected with data collector 30 by data line 300, the output interface of data collector 30 is connected with the input end of ac solid relay 31,32,33,34 by signal wire 310,320,330,340 respectively, ac solid relay 31 links to each other with electronic automatic coupling voltage regulator 54 by gauge tap 35, motor 4, ac solid relay 32 links to each other with major loop gauge tap 52, ac solid relay 33 links to each other with group control switch 55, and ac solid relay 34 links to each other with load circuit switch 57.
Fig. 6 is the present embodiment manipulated or operated apparatus, and it mainly is divided into four parts, and part i is the industrial computer 1 among Fig. 1, and part ii is that testing circuit 2, the III among Fig. 1 partly are the control circuit 3 among Fig. 1; IV partly is that motor 4, current regulating circuit 5 and the test product among Fig. 1 detects gear 6, and wherein test product detects gear 6 places has 4 to detect gear test sample selection connection.
Plastic-casing circuit breaker instantaneous characteristic test device described in Fig. 1 carries out the plastic-casing circuit breaker instantaneous characteristic test under industrial computer control, its test run program as shown in Figure 5:
(1) operation plastic-casing circuit breaker instantaneous characteristic test routine after computing machine powers on;
(2) judged whether test menu item selection operation (click or keyboard input), do not repeated for the 2nd step when having test menu item selection operation, changeed for the 3rd step when test menu item selection operation is arranged;
(3) judge whether to be test parameters modify feature menu, if not changeed for the 4th step, if then carry out following processing:
Carry out parameter modification by mouse and keyboard, industrial computer is preserved amended operational factor automatically, moves the parameter that computer-chronograph is called in operation last time automatically in next time.Operational factor comprises: parameters such as test product rated current numerical value, lower current multiple, upper limit current multiple, drop-away time.After revising operational factor, preserve and the demonstration operational factor, changeed for the 2nd step then.
(4) judge whether to be test figure file processing menu, if not just changeed for the 5th step, if then carry out following processing:
File processing has comprised the storage of data file, the instant playback of calling in, detect data and detection waveform and printing etc.Can preserve 500 test figures automatically; And can read former test figure, carry out the demonstration and the printing of data and waveform simultaneously.After data processing is finished, changeed for the 2nd step.
(5) judge whether to be instantaneous characteristic test run menu, if not changeed for the 6th step, if then carry out following processing:
This function module is controlled by the connection and the disjunction of 3 pairs of current regulating circuits 5 of control circuit; In operating process, detect parameters such as electric current, voltage and voltage-phase in the test major loop at test product places by testing circuit 2, by determining program relevant in the main frame, the parameter signal that is collected is handled, accurately regulate and control by 3 pairs of tests of control circuit main circuit current again, after being adjusted to the current value of test determination, test product is tested, judged the dropout situation and the log of test product.After test run is finished, changeed for the 6th step.
(6) judge whether to withdraw from menu for test, if not just changeed for the 2nd step, if then withdraw from the plastic-casing circuit breaker instantaneous characteristic test.
In the 5th step of running test, when carrying out the plastic-casing circuit breaker instantaneous characteristic test, the specific operation process of test is as follows:
At first, industrial computer 1 carries out the break-make control operation by 3 pairs of tests of control circuit regulating loop, determine best closing phase angle, realize phase selection, eliminate the aperiodic component of test current: promptly industrial computer 1 is at first controlled ac solid relay 32,33 and 34 respectively by data collector 30, realization detects the power-factor angle of strong current transformer 56 secondary test loops to the last electric control of the magnetizing coil of major loop gauge tap 52, group control switch 55 and load circuit switch 57; Then, industrial computer 1 is by data collector 30 control ac solid relays 32,33 and 34, realization detects the angle θ of leading its secondary voltage of strong current transformer 56 original edge voltages to the outage control of the magnetizing coil of major loop gauge tap 52, the last electric control of organizing the magnetizing coil of controlling switch 55 and load circuit switch 57; Determine the closing phase angle on its former limit to carry out phase selection by formula ψ=θ+.In the operation that each test major loop is connected, all to pass through this technology, the relevant controlling switch in the test loop is carried out phase selection, to reach the aperiodic component of eliminating test current, avoid purpose to the false judgment of test product characteristic.
Then, when carrying out the plastic-casing circuit breaker instantaneous characteristic test, test routine carries out according to following steps:
1) adjust the rated current of test product in the major loop in test:
Industrial computer 1 is by data collector 30 control ac solid relays 31, realization is to the operation that powers on of the magnetizing coil of gauge tap 35, thereby the rotating of control motor 4 rises electronic automatic coupling voltage regulator 54 output voltages or decline, comes thus test current is regulated.And there are three taps on the former limit of strong current transformer 56, is connected with three groups of switches that group is controlled in the switch 55 respectively.
When breaker of plastic casing was tested, industrial computer 1 was controlled ac solid relay 32,33 and 34 respectively by data collector 30, realized the phase selection control to major loop gauge tap 52, group control 55 first groups of switches of switch and load circuit switch 57; By rotating control to motor 4, electronic automatic coupling voltage regulator 54 output voltages are regulated, simultaneously, test product detects gear 6 both end voltage and sends industrial computer 1 to through electrical isolator 23, high speed data acquisition system 24, carry out computing, with the load current value of the test product of actual current value after the computing and regulation relatively, the electric current in making the test loop reaches rated current; Industrial computer 1 disconnects load circuit switch 57 through data collector 30, ac solid relay 34; This moment, strong current transformer 56 secondary two ends no-load voltages sent industrial computer 1 to through electrical isolator 22, high speed data acquisition system 24, were recorded as no-load voltage U N
2) under above-mentioned state, continue to regulate test current:
Industrial computer 1 will be organized first group of switch disconnection in the control switch 55, second group of switch closure through data collector 30, ac solid relay 33, at this moment, still utilize the rotating of industrial computer 1 control motor 4, electronic automatic coupling voltage regulator 54 output voltages are regulated, and making strong current transformer 56 secondary two ends no-load voltages is 8U NAfterwards, industrial computer 1 through data collector 30, ac solid relay 33 with load circuit switch 57 closures, electric current is 8 times of test product rated current in the test loop, in the dropout situation of official hour record test product, and storage, the trial voltage that shows this moment, the waveform and the numerical value of electric current.Arrive the detection time of regulation, and industrial computer 1 disconnects load circuit switch 57 through data collector 30, ac solid relay 33, finishes this content of the test.
3) under above-mentioned state, continue to regulate test current:
Industrial computer 1 will be organized second group of switch disconnection in the control switch 55, the 3rd group of switch closure through data collector 30, ac solid relay 33, at this moment, still utilize the rotating of industrial computer 1 control motor 4, electronic automatic coupling voltage regulator 54 output voltages are regulated, and making strong current transformer 56 secondary two ends no-load voltages is 12U NAfterwards, industrial computer 1 through data collector 30, ac solid relay 33 with load circuit switch 57 closures, electric current is 12 times of test product rated current in the test loop, in the dropout situation of official hour record test product, and storage, the trial voltage that shows this moment, the waveform and the numerical value of electric current.Arrive the detection time of regulation, and industrial computer 1 disconnects load circuit switch 57 through data collector 30, ac solid relay 33, finishes this content of the test.
According to the operation in above-mentioned the 5th step, can test the instantaneous characteristic that test product carries out repeatedly, and carry out the stored record of test figure and waveform.The rated current scope that the test product that this test unit can be debugged detects the test product on the gear 6 is 6A~225A, can obtain the required big electric current of test rapidly and accurately, and obtainable maximum current is 3500A.
Embodiment 2:
Described plastic-casing circuit breaker instantaneous characteristic test device, the motor 4 in the working cabined also can adopt unidirectional electric rotating machine; Can on test product detection gear 6 a plurality of gears be set as required in the working cabined tests many breaker of plastic casing test products.
All the other structures and principle are identical with embodiment 1.

Claims (7)

1. a plastic-casing circuit breaker instantaneous characteristic test device is characterized in that being made up of computer control cabinet and working cabined; Wherein, the computer control cabinet comprises industrial computer (1), testing circuit (2) and control circuit (3); Working cabined comprises that motor (4), current regulating circuit (5) and test product detect gear (6); Its connected mode is that industrial computer (1) links to each other with control circuit (3) with testing circuit (2) respectively; Testing circuit (2) detects gear (6) with current regulating circuit (5) and test product respectively and links to each other; Control circuit (3) links to each other with current regulating circuit (5) with motor (4) successively.
2. according to the described plastic-casing circuit breaker instantaneous characteristic test device of claim 1, it is characterized in that described current regulating circuit (5) comprises that experiment power supply (50), master switch (51), major loop gauge tap (52), ac solid relay (53), electronic automatic coupling voltage regulator (54), group control switch (55), strong current transformer (56), load circuit switch (57), inspection leakage resistance (58), balance resistance (59) and test product detect gear (6); Its connected mode is that experiment power supply (50) is successively through signal wire (500), master switch (51), signal wire (501), major loop gauge tap (52), signal wire (502), ac solid relay (53), signal wire (503), electronic automatic coupling voltage regulator (54), signal wire (504), group control switch (55), signal wire (505), strong current transformer (56), signal wire (506), load circuit switch (57), signal wire (507), inspection leakage resistance (58), signal wire (508), balance resistance (59), signal wire (509), test product detects gear (6) and is connected, and forms closed test loop after signal wire (510) takes back experiment power supply (50).
3. according to the described plastic-casing circuit breaker instantaneous characteristic test device of claim 1, it is characterized in that described testing circuit (2) comprises electrical isolator (21), (22), (23) and high speed data acquisition system (24); Its connected mode is that electrical isolator (21), (22), (23) link to each other with high speed data acquisition system (24) through signal wire (212), (222), (232) respectively; Simultaneously, high speed data acquisition system (24) is connected with industrial computer (1) through data line (200); Experiment power supply (50) is connected with electrical isolator (21) through signal wire (211), and strong current transformer (56) secondary is connected with electrical isolator (22) through signal wire (221), and test product detects gear (6) and is connected with electrical isolator (23) through signal wire (231).
4. according to the described plastic-casing circuit breaker instantaneous characteristic test device of claim 1, it is characterized in that described control circuit (3) comprises data collector (30), ac solid relay (31), (32), (33), (34), gauge tap (35) and motor (4); Its connected mode is that industrial computer (1) is connected with data collector (30) by data line (300), the output interface of data collector (30) is respectively by signal wire (310), (320), (330), (340) with ac solid relay (31), (32), (33), (34) input end connects, ac solid relay (31) is by gauge tap (35), motor (4) links to each other with electronic automatic coupling voltage regulator (54), ac solid relay (32) links to each other with major loop gauge tap (52), ac solid relay (33) links to each other with group control switch (55), and ac solid relay (34) links to each other with load circuit switch (57).
5. according to the described plastic-casing circuit breaker instantaneous characteristic test device of claim 4, the motor (4) that it is characterized in that described control circuit (3) is the rotating motor.
6. according to the described plastic-casing circuit breaker instantaneous characteristic test device of claim 1, it is characterized in that this device has plural debugging and detects gear, can test product be connected to the relevant detection gear according to the debugging test requirement.
7,, it is characterized in that this device has 4 debugging and detects gear according to the described plastic-casing circuit breaker instantaneous characteristic test device of claim 6.
CN 200520027579 2005-09-29 2005-09-29 Instantaneous property detector for plastic shell breaker Expired - Fee Related CN2821593Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520027579 CN2821593Y (en) 2005-09-29 2005-09-29 Instantaneous property detector for plastic shell breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520027579 CN2821593Y (en) 2005-09-29 2005-09-29 Instantaneous property detector for plastic shell breaker

Publications (1)

Publication Number Publication Date
CN2821593Y true CN2821593Y (en) 2006-09-27

Family

ID=37018147

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520027579 Expired - Fee Related CN2821593Y (en) 2005-09-29 2005-09-29 Instantaneous property detector for plastic shell breaker

Country Status (1)

Country Link
CN (1) CN2821593Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100426000C (en) * 2005-09-29 2008-10-15 河北工业大学 Plastic-casing circuit breaker instantaneous characteristic test device
CN105759199A (en) * 2014-12-19 2016-07-13 河北工业大学 Production and approximation control method for instantaneous calibration current of low voltage circuit breaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100426000C (en) * 2005-09-29 2008-10-15 河北工业大学 Plastic-casing circuit breaker instantaneous characteristic test device
CN105759199A (en) * 2014-12-19 2016-07-13 河北工业大学 Production and approximation control method for instantaneous calibration current of low voltage circuit breaker
CN105759199B (en) * 2014-12-19 2018-08-17 河北工业大学 It moves the generation of verification electric current low-voltage circuit breaker wink and approaches control method

Similar Documents

Publication Publication Date Title
CN101464496B (en) Overload reliability test assembly for plastic case breakers and implementing method thereof
CN100426000C (en) Plastic-casing circuit breaker instantaneous characteristic test device
CN205809245U (en) A kind of mechanical characteristic of high-voltage circuit breaker state on_line monitoring system
CN103217579A (en) On-line monitoring system of transformer winding
CN108535649A (en) A kind of disconnecting switch jam faults diagnostic method and device based on driving motor electric current
CN201837712U (en) Online monitoring device of HGIS (hybrid gas insulated switchgear) energy storage motor
CN201535814U (en) On-line circuit breaker monitoring system based on IEC61850 standard
CN2821593Y (en) Instantaneous property detector for plastic shell breaker
CN206161804U (en) Accuse circuit breaker dropout testing arrangement is taken to intelligence
CN207965116U (en) A kind of field test equipment of fault electric arc detector
CN2773707Y (en) Small circuit breaker reliability experimental instrument
CN100353175C (en) Test device for small breaker reliability
CN201765285U (en) Device of monitoring real time wastage and load of transformer in operation
CN201382994Y (en) Overload reliability test device for molded case circuit breaker
CN105242129A (en) Fault probability determination method for transformer winding
CN202975272U (en) On-line monitoring device for connecting and disconnecting time of high voltage breaker
CN206161806U (en) Take high, low temperature dropout intelligent test equipment of accuse circuit breaker
CN204479735U (en) Transmission line malfunction indicator proving installation
CN111693924B (en) System and method for detecting monitoring performance of voltage transformer on-line monitoring device
CN103076439A (en) Method for estimating content of characteristic gas generated by action of conversion selector of converter transformer
CN1645159A (en) Reliability tester for electric leakage protector
CN103149391B (en) A kind of testing jig
CN206756997U (en) A kind of intelligence takes control breaker device for testing functions
CN105589002A (en) 10 kV intelligent switch cabinet automatic testing system
CN206161807U (en) Take accuse circuit breaker function test intelligent test equipment

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee