CN102759709B - For testing the tester of RCCB - Google Patents

For testing the tester of RCCB Download PDF

Info

Publication number
CN102759709B
CN102759709B CN201210262478.2A CN201210262478A CN102759709B CN 102759709 B CN102759709 B CN 102759709B CN 201210262478 A CN201210262478 A CN 201210262478A CN 102759709 B CN102759709 B CN 102759709B
Authority
CN
China
Prior art keywords
circuit
current
resistance
lagging voltage
live wire
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
CN201210262478.2A
Other languages
Chinese (zh)
Other versions
CN102759709A (en
Inventor
王永建
张清春
范玲
邹莹
张淑敏
李新
董严锋
田保庆
张斌
盛海滨
李建强
刘化社
范亚欣
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.)
Chengwu Power Supply Company State Grid Shandong Electric Power Co Ltd
Heze Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Chengwu Power Supply Company State Grid Shandong Electric Power Co Ltd
Heze Power Supply Co of State Grid Shandong Electric Power Co Ltd
Filing date
Publication date
Priority to CN201610396536.9A priority Critical patent/CN106168649A/en
Priority to CN201610394896.5A priority patent/CN106168648A/en
Priority to CN201610393038.9A priority patent/CN105866673A/en
Priority to CN201610397099.2A priority patent/CN105891709A/en
Application filed by Chengwu Power Supply Company State Grid Shandong Electric Power Co Ltd, Heze Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Chengwu Power Supply Company State Grid Shandong Electric Power Co Ltd
Priority to CN201610393623.9A priority patent/CN106093763A/en
Priority to CN201610393624.3A priority patent/CN105866676A/en
Priority to CN201210262478.2A priority patent/CN102759709B/en
Priority to CN201610394808.1A priority patent/CN106124974B/en
Priority to CN201610394803.9A priority patent/CN106093764A/en
Priority to CN201610393046.3A priority patent/CN105866674A/en
Publication of CN102759709A publication Critical patent/CN102759709A/en
Application granted granted Critical
Publication of CN102759709B publication Critical patent/CN102759709B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention relates to a kind of tester for testing RCCB, including there is the first live wire end and the AC power circuit of the second live wire end, for the phase generating circuit being connected with the fire wire output end of equipment under test, regulation circuit and time detection circuit;First live wire end and the second live wire end are for being connected with the live wire input of equipment under test, and the zero line side of described load circuit is for being connected with the zero line side of equipment under test;Phase generating circuit includes control knob circuit, and control knob circuit generates respectively to produce meet the test electric current of national standard for controlling phase generating circuit.The present invention tests scope relatively extensively, and performance is relatively stable reliably.

Description

For testing the tester of RCCB
Technical field
The present invention relates to a kind of tester for testing RCCB.
Background technology
According to regulations such as standard GB/T 14048.2-2001, GB16916.1-2003, GB16917.1-2003: to either Suddenly the residue pulsating direct current with regulation applied or slowly rise or residue simple sinusoidal alternating current, can ensure that at the appointed time The RCCB threaded off is referred to as A type RCCB.Either applying suddenly or slow rising are had without DC component Residue simple sinusoidal alternating current, can ensure that the RCCB threaded off at the appointed time, referred to as AC type RCCB.By upper Understanding, A type RCCB covers the function of AC type RCCB.
Above-mentioned " the residue pulsating current of regulation " is following 4 kinds of situations: half-wave rectified current that current lagging voltage is 0 °, electricity The stream half-wave rectified current of lagging voltage 90 °, the half-wave rectified current of current lagging voltage 135 °, electricity containing 6mA direct current The half-wave rectified current of stream lagging voltage 0 °.
Prior art does not exist the device measuring A type RCCB.
Summary of the invention
The technical problem to be solved is to provide a kind of test scope compared with wide and performance is relatively stable reliably for testing leakage The tester of electrical circuit breakers.
For solving above-mentioned technical problem, the invention provides a kind of tester, comprising: AC power circuit, have for structure Become the first live wire end of load circuit and for constituting the second live wire end of simulation loop of electric leakage, the first live wire end and the second live wire end Being connected for the live wire input with equipment under test, the zero line side of described load circuit is for being connected with the zero line side of equipment under test; Phase generating circuit, for being connected with the fire wire output end of equipment under test;Phase generating circuit includes control knob circuit, controls To generate the half-wave of current lagging voltage 0 ° in described simulation loop of electric leakage respectively whole for controlling phase generating circuit for button circuit Flow electric current, the half-wave rectified current of current lagging voltage 90 °, the half-wave rectified current of current lagging voltage 135 ° and contain 6mA The half-wave rectified current of the current lagging voltage of direct current 0 °;Ac leakage regulation circuit, is used for controlling described simulation loop of electric leakage Size of current;Time detection circuit, for measuring needed for described simulation loop of electric leakage is conducted to the dropout of A type RCCB Time, i.e. movement time.
Described simulation loop of electric leakage is in series with the ammeter of residual current value (i.e. leakage current value) for detecting equipment under test Or oscillograph.
The present invention has positive effect: the tester of (1) present invention includes: AC power circuit, DC power-supply circuit, phase Position produces circuit, ac leakage regulation circuit, phase place display circuit, indicator light circuit, time detection circuit.Described tester Can be to the residual current value of A type RCCB with measure movement time.
Accompanying drawing explanation
Being further explained the present invention below in conjunction with accompanying drawing, wherein accompanying drawing is as follows:
Fig. 1 is the contour structures schematic diagram of the tester of embodiment 1;
Fig. 2 is the part electrical schematic diagram of the tester of embodiment 1;
Fig. 3 is another part electrical schematic diagram of the tester of embodiment 1.
Detailed description of the invention
(embodiment 1)
See that Fig. 1-3, the present embodiment are a kind of testers for testing RCCB, including: AC power circuit 1, straight Stream power supply circuits 7, phase generating circuit 2, ac leakage regulation circuit 3, phase place display circuit 6, indicator light circuit 5 and time Testing circuit 4.
AC power circuit 1 has the first live wire end for constituting load circuit and for constituting the second fire of simulation loop of electric leakage Line end, the first live wire end and the second live wire end are used for being connected with the live wire input of equipment under test 9, the zero line of described load circuit End is for being connected with the zero line side of equipment under test 9.In the present embodiment, equipment under test 9 is A type RCCB.
Phase generating circuit 2 is for being connected with fire wire output end L2 of equipment under test 9;Phase generating circuit 2 includes control knob electricity Road, control knob circuit is used for controlling phase generating circuit 2 and generates current lagging voltage 0 ° in described simulation loop of electric leakage respectively Half-wave rectified current, the half-wave rectified current of current lagging voltage 90 °, the half-wave rectified current of current lagging voltage 135 ° and The half-wave rectified current of the current lagging voltage containing 6mA direct current 0 °.
Ac leakage regulation circuit 3 is for controlling the size of current of described simulation loop of electric leakage;Time detection circuit 4 is used for measuring It is conducted to the time needed for A type RCCB is threaded off, i.e. movement time from described simulation loop of electric leakage.
Described phase generating circuit 2 includes: the first half-wave rectifying circuit of current lagging voltage 0 °, current lagging voltage 90 ° Second half-wave rectifying circuit, the 3rd half-wave rectifying circuit of current lagging voltage 135 °, 6mA direct current generative circuit and be used for Control signal according to the output of described first half-wave rectifying circuit, the second half-wave rectifying circuit and the 3rd half-wave rectifying circuit is described Simulation loop of electric leakage generates the halfwave rectifier electricity of the half-wave rectified current of current lagging voltage 0 °, current lagging voltage 90 ° respectively Stream, the half-wave rectified current of current lagging voltage 135 ° and the half-wave rectified current of the current lagging voltage 0 ° containing 6mA direct current Controllable silicon current control circuit.
3rd half-wave rectifying circuit of described current lagging voltage 135 ° includes: by transformator T2, diode D5, resistance R3, The sine wave shaped that R4, R5, R6, R7 are constituted with operational amplifier IC1A becomes circuit, with the output of operational amplifier IC1A End be connected the charging circuit being made up of resistance R8, electric capacity C5, be made up of diode D6, D7 with door;It is used for setting phase For resistance R9 and R10 of 135 ° of voltages of adjusting of current lagging voltage, for regulating the backward end of operational amplifier IC1B Relative to the resistance R11 and potentiometer WR1 of the comparison voltage of current lagging voltage 135 °, the outfan of operational amplifier IC1B For exporting the control signal of current lagging voltage 135 °.
Resistance R12 is the current-limiting resistance of audion BG3 base stage, and audion BG3 and resistance R13 constitutes emitter follower, resistance The control signal of the current lagging voltage on R13 135 ° gives audion BG18 by press button SB1, resistance R58, and three Pole pipe BG18 drives opto-coupler chip IC4, resistance R59 to be current-limiting resistances, it is ensured that opto-coupler chip IC4 effectively works.Optocoupler core Sheet IC4, in order to isolate alternating current 220V and phase generating circuit direct current component, controls the turn-on and turn-off of bidirectional triode thyristor BG19, Resistance R60, R61, for controlling the G pole input current of bidirectional triode thyristor BG19, make input signal enough trigger bidirectional triode thyristor BG19 turns on.Bidirectional triode thyristor BG19 A, K bis-pole be connected on load with alternating current power supply between, just flow through the electric current of load It it is the half-wave rectified current lagging behind voltage 135 °.Control bidirectional triode thyristor BG19 can control in circuit by the residue specified Pulsating current, regulator potentiometer WR3, WR4, WR5 can control leakage current.
When press button SB10 closes, two intermediate contacts of press button SB10 are for phase generating circuit output waveform Detection.
Described controllable silicon current control circuit includes: according to described first half-wave rectifying circuit, the second half-wave rectifying circuit and the 3rd The control signal of half-wave rectifying circuit output and the audion BG18 turned on, the opto-coupler chip IC4 that driven by audion BG18, A, K pole of the bidirectional triode thyristor BG19, bidirectional triode thyristor BG19 that are controlled break-make by opto-coupler chip IC4 is connected on described simulation In loop of electric leakage.
Described time detection circuit 4 includes: single-chip microcomputer IC6, being used for of being connected with the detection of electrical leakage end of single-chip microcomputer IC6 detect institute State the simulation leakaging signal detecting circuit that whether turns on of loop of electric leakage and be connected with the temporal information outfan of single-chip microcomputer IC6 For showing the charactron of time;The electric leakage signal that single-chip microcomputer IC6 exports according to leakaging signal detecting circuit is measured from described simulation Loop of electric leakage is conducted to the time needed for A type RCCB is threaded off and by this time of described numeral method.
Described phase generating circuit 2 connects with the presence of whole for showing the half-wave of described simulation loop of electric leakage current lagging voltage 0 ° Flow electric current or the half-wave rectified current of current lagging voltage 90 ° or the half-wave rectified current of current lagging voltage 135 ° or containing 6mA The phase place display circuit 6 of the half-wave rectified current of the current lagging voltage of direct current 0 °.
AC power circuit by 220V 50Hz alternating current power supply supply electricity to transformator T4, transformator T4 output 180V, 220V, 250V, 380V voltage is connected to exchange on output wiring terminal L1, N through band switch SA1.By adjusting band switch SA1 Gear, exchange output wiring terminal L1 and the voltage at N two ends can be changed.The load of transformator T4 is that ac leakage regulates circuit 3。
Ac leakage regulation circuit 3 is exported 26V alternating current by transformator T4, connects with band switch SA2 in its outfan one end It is followed by exchange output wiring terminal L1, the other end and ammeter, electric leakage regulation resistance, bidirectional triode thyristor BG19, band switch After SA3 series connection, it is connected to exchange output wiring terminal L2.
The logic electricity that phase place display circuit 6 is made up of charactron LED1-LED4, diode D11-36, audion BG7-16 Road, press button composition.
When pressing the button switch SB4, current signal trigger triode BG20 turns on, and audion BG20 output signal triggers three Pole pipe BG7, BG8 conducting, charactron LED1 shows " A ", and charactron LED2 shows " C ".Press the button switch SB3 Time, charactron LED1, LED4 show " A0 ";Pressing the button switch SB2, charactron LED1, LED3, LED4 show “A90”;Pressing the button switch SB5, charactron LED1, LED2, LED3, LED4 show " A0-6 ".
Indicator light circuit 5 is made up of transformator T4, commutation diode D42-45, three terminal regulator BG27, RC filter circuit. DC power-supply circuit 7 includes: the 5V DC power-supply circuit powered by transformator T1, the 5V direct current powered by transformator T3 supply Electricity circuit, 12V DC power-supply circuit, 6mA direct current generative circuit.
Time detection circuit 4 by press button, commutation diode D46-49, audion BG23-26, resistance, electric capacity C15, Photoelectrical coupler IC5, single-chip microcomputer IC6, charactron LED11 etc. form.
6mA direct current generative circuit is made up of resistance R67,9V aneroid battery Bt, press button SB5, SB6.The one of resistance R67 End is connected with the positive pole of 9V aneroid battery U, and the other end of resistance R67 is connected with the intermediate contact of press button SB5, and button leaves The normally opened contact closing SB5 is connected with normally opened contact, the normally-closed contact of press button SB6, and 9V dry battery cathode connects press button The normally opened contact of SB6, normally opened contact are connected, the intermediate contact of press button SB6 and direct current output wiring terminal "+" be connected, The intermediate contact SB6-21 of press button SB6 is connected with direct current output "-".
Second half-wave rectifying circuit of current lagging voltage 90 ° by resistance R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R57, R58, R59, R60, R61, electric capacity C6, diode D8, D9, D10, audion BG5, BG18, bidirectional triode thyristor BG19, operational amplifier IC2, opto-coupler chip IC4, potentiometer WR2 are constituted.
First half-wave rectifying circuit of current lagging voltage 0 ° by resistance R50, R51, R52, R53, R54, R55, R56, R57, R58, R59, R60, R61, diode D37, audion BG17, BG18, bidirectional triode thyristor BG19, operation amplifier Device IC3, opto-coupler chip IC4 are constituted.The e pole of the audion BG22 in the positive terminal of diode D51 and phase place display circuit Being connected, the negative pole end of diode D51 is connected with one end of resistance R75, the other end of resistance R75 and the b of audion BG28 The most connected, 2 feet of opto-coupler chip IC7 are extremely connected with the c of audion BG28, the e pole of audion BG28 and stabilivolt 2 feet of BG21 are connected.One end of resistance R74 is connected with 3 feet of stabilivolt BG21, and the 4 of opto-coupler chip IC7,6 feet divide It is not connected with press button SB3 intermediate contact SB3-21, normally opened contact SB3-22.Because of in " the residue pulsating current of regulation " There is the half-wave rectified current containing 6mA direct current of current lagging voltage 0 °, therefore this part is for realizing the situation at " A0-6 " Under, it is ensured that the output of the half-wave rectified current that current lagging voltage is 0 °.
Resistance R73, R77 are the current-limiting resistance of opto-coupler chip IC5, and resistance R78 is the current limliting electricity of 1 foot of single-chip microcomputer IC6 Resistance, electric capacity C15, resistance R79 form peaker, resistance R80, R81, R82, R83, R84, R85, R86, R87 For the current-limiting resistance of each pin of charactron LED11, resistance R88, R89, R90, R91 are audion BG23, BG24, The current-limiting resistance of the b pole of BG25, BG26.Press button SB17 is testing button, and press button SB18 is SR.
When press button SB17 closes, breaker electrifying, DC current forms a spike through peaker, and input is single 1 foot of sheet machine IC6, single-chip microcomputer IC6 starts timing.When circuit breaker trip, opto-coupler chip IC5 dead electricity, 4,6 foot Turning off, 3 feet of single-chip microcomputer IC6 have high level input, and single-chip microcomputer IC6 stops timing and to export data aobvious to charactron LED11 Show.When press button SB18 presses, single-chip microcomputer IC6, charactron LED11 reset.
Above-described embodiment is only for clearly demonstrating example of the present invention, and is not the limit to embodiments of the present invention Fixed.For those of ordinary skill in the field, the change of other multi-form can also be made on the basis of the above description Change or variation.Here without also cannot all of embodiment be given exhaustive.And these spirit belonging to the present invention are extended out Obvious change or variation still in protection scope of the present invention among.

Claims (1)

1. one kind for testing the tester of RCCB, it is characterised in that including: AC power circuit (1), straight Stream power supply circuits (7), phase generating circuit (2), ac leakage regulate circuit (3), phase place display circuit (6), refer to Indication lamp circuit (5) and time detection circuit (4);
AC power circuit (1) has the first live wire end for constituting load circuit and for constituting simulation loop of electric leakage The second live wire end, the first live wire end and the second live wire end for being connected with the live wire input of equipment under test (9), institute State the zero line side of load circuit for being connected with the zero line side of equipment under test (9);Described equipment under test is A type leakage, breaking Device;
Phase generating circuit (2), for being connected with the fire wire output end (L2) of equipment under test (9);Phase place produces electricity Road (2) includes that control knob circuit, control knob circuit are used for controlling phase generating circuit (2) in described simulation electric leakage Loop generates respectively the half-wave rectified current of current lagging voltage 0 °, the half-wave rectified current of current lagging voltage 90 °, The half-wave rectified current that current lagging voltage is 135 ° and the half-wave rectified current of the current lagging voltage 0 ° containing 6mA direct current;
Described phase generating circuit (2) including: electricity after the first half-wave rectifying circuit of current lagging voltage 0 °, current hysteresis Press 90 ° the second half-wave rectifying circuit, the 3rd half-wave rectifying circuit of current lagging voltage 135 °, 6mA direct current generate electricity Road and controllable silicon current control circuit;Described controllable silicon current control circuit according to described first half-wave rectifying circuit, The control signal of the second half-wave rectifying circuit and the output of the 3rd half-wave rectifying circuit is given birth in described simulation loop of electric leakage respectively Become the half-wave rectified current of current lagging voltage 0 °, the half-wave rectified current of current lagging voltage 90 °, current lagging voltage The half-wave rectified current of 135 ° and the half-wave rectified current of the current lagging voltage 0 ° containing 6mA direct current;
3rd half-wave rectifying circuit of described current lagging voltage 135 ° includes: sine wave shaped circuit, charging circuit and Door, resistance R9, resistance R10, resistance R11, potentiometer WR1 and operational amplifier IC1B;Sine wave shaped circuit by Transformator T2, diode D5, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7 and operational amplifier IC1A Constitute;Charged electrical routing resistance R8 and electric capacity C5 is constituted, and resistance R8 and electric capacity C5 and operational amplifier IC1A's is defeated Go out end to be connected;It is made up of diode D6 and D7 with door;After resistance R9 and resistance R10 is used for setting relative to current hysteresis The voltage of adjusting of voltage 135 °;Resistance R11 and potentiometer WR1 is used for regulating the phase of the backward end of operational amplifier IC1B Comparison voltage for current lagging voltage 135 °;The outfan of operational amplifier IC1B is used for exporting current lagging voltage The control signal of 135 °;
Ac leakage regulation circuit (3), for controlling the size of current of described simulation loop of electric leakage;
Time detection circuit (4), for measuring needed for described simulation loop of electric leakage is conducted to the dropout of A type RCCB Time, i.e. movement time;
Described time detection circuit (4) including: single-chip microcomputer IC6, with being used for that the detection of electrical leakage end of single-chip microcomputer IC6 is connected Detect leakaging signal detecting circuit that whether described simulation loop of electric leakage turn on and defeated with the temporal information of single-chip microcomputer IC6 Go out the charactron for showing the time that end is connected;The electric leakage signal that single-chip microcomputer IC6 exports according to leakaging signal detecting circuit Measure and be conducted to the time needed for A type RCCB is threaded off and by described numeral method from described simulation loop of electric leakage This time.
CN201210262478.2A 2012-07-27 2012-07-27 For testing the tester of RCCB Expired - Fee Related CN102759709B (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
CN201610393038.9A CN105866673A (en) 2012-07-27 2012-07-27 Tester
CN201610397099.2A CN105891709A (en) 2012-07-27 2012-07-27 Tester for testing residual current circuit-breaker
CN201610394808.1A CN106124974B (en) 2012-07-27 2012-07-27 Testing instrument
CN201610393623.9A CN106093763A (en) 2012-07-27 2012-07-27 Tester
CN201610394896.5A CN106168648A (en) 2012-07-27 2012-07-27 For testing the tester of RCCB
CN201210262478.2A CN102759709B (en) 2012-07-27 For testing the tester of RCCB
CN201610396536.9A CN106168649A (en) 2012-07-27 2012-07-27 For testing the tester of RCCB
CN201610394803.9A CN106093764A (en) 2012-07-27 2012-07-27 A kind of tester
CN201610393046.3A CN105866674A (en) 2012-07-27 2012-07-27 Tester
CN201610393624.3A CN105866676A (en) 2012-07-27 2012-07-27 Test instrument for testing electric leakage circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210262478.2A CN102759709B (en) 2012-07-27 For testing the tester of RCCB

Related Child Applications (9)

Application Number Title Priority Date Filing Date
CN201610393624.3A Division CN105866676A (en) 2012-07-27 2012-07-27 Test instrument for testing electric leakage circuit breaker
CN201610397099.2A Division CN105891709A (en) 2012-07-27 2012-07-27 Tester for testing residual current circuit-breaker
CN201610393046.3A Division CN105866674A (en) 2012-07-27 2012-07-27 Tester
CN201610393038.9A Division CN105866673A (en) 2012-07-27 2012-07-27 Tester
CN201610394808.1A Division CN106124974B (en) 2012-07-27 2012-07-27 Testing instrument
CN201610394896.5A Division CN106168648A (en) 2012-07-27 2012-07-27 For testing the tester of RCCB
CN201610394803.9A Division CN106093764A (en) 2012-07-27 2012-07-27 A kind of tester
CN201610396536.9A Division CN106168649A (en) 2012-07-27 2012-07-27 For testing the tester of RCCB
CN201610393623.9A Division CN106093763A (en) 2012-07-27 2012-07-27 Tester

Publications (2)

Publication Number Publication Date
CN102759709A CN102759709A (en) 2012-10-31
CN102759709B true CN102759709B (en) 2016-11-30

Family

ID=

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224404A (en) * 1988-10-25 1990-05-02 Shakira Ltd Residual current device with missing neutral protection
CN101900771A (en) * 2009-05-31 2010-12-01 西门子公司 RCD (Residual Current Device) detection device and detection method
CN201837708U (en) * 2010-10-15 2011-05-18 陈征智 Intelligent tester of residual current protector
CN201993413U (en) * 2011-01-27 2011-09-28 湖南电器研究所 Residual current test system
CN202748459U (en) * 2012-07-27 2013-02-20 苏州贝腾特电子科技有限公司 Tester

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224404A (en) * 1988-10-25 1990-05-02 Shakira Ltd Residual current device with missing neutral protection
CN101900771A (en) * 2009-05-31 2010-12-01 西门子公司 RCD (Residual Current Device) detection device and detection method
CN201837708U (en) * 2010-10-15 2011-05-18 陈征智 Intelligent tester of residual current protector
CN201993413U (en) * 2011-01-27 2011-09-28 湖南电器研究所 Residual current test system
CN202748459U (en) * 2012-07-27 2013-02-20 苏州贝腾特电子科技有限公司 Tester

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
基于单片机控制的剩余电流动作保护器动作特性检测装置的研究;李文苹;《中国优秀硕士学位论文全文数据库(工程科技Ⅱ辑)》;20120715(第7期);第23页第1-3段 *
智能剩余电流保护器校测仪设计;史佳欢等;《电子测量技术》;20070331;第30卷(第3期);第186页第1节、187-188页第2节、第189页第4.3节及图1-9 *

Similar Documents

Publication Publication Date Title
CN102749577B (en) Checkout equipment
CN105891709A (en) Tester for testing residual current circuit-breaker
CN102749578B (en) A kind of detection equipment for detecting RCCB
CN102749580B (en) To the testing apparatus that residual current circuit breaker detects
CN106199407A (en) A kind of test equipment for testing RCCB
CN102759709B (en) For testing the tester of RCCB
CN102759708B (en) A kind of tester
CN102749581B (en) A kind of test equipment for testing RCCB
CN105699885A (en) Improved type detection device having phase generation circuit
CN102759710B (en) Modified checkout equipment
CN105652194A (en) Improved detection equipment provided with alternating current leakage regulating circuit
CN105738802A (en) Improved detection device possessing phase display circuit
CN105738801A (en) Improved detection device possessing phase generation circuit

Legal Events

Date Code Title Description
PB01 Publication
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Wang Yongjian

Inventor after: Sheng Haibin

Inventor after: Li Jianqiang

Inventor after: Liu Huashe

Inventor after: Fan Yaxin

Inventor after: Zhang Qingchun

Inventor after: Fan Ling

Inventor after: Zou Ying

Inventor after: Zhang Shumin

Inventor after: Li Xin

Inventor after: Dong Yanfeng

Inventor after: Tian Baoqing

Inventor after: Zhang Bin

Inventor before: Hu Xiaoqing

TA01 Transfer of patent application right

Effective date of registration: 20160926

Address after: 274032 north of Zhonghua East Road, Heze City, Shandong province (opposite bank of China)

Applicant after: Heze Power Supply Company, State Grid Shandong Electric Power Co., Ltd.

Applicant after: CHENGWU POWER SUPPLY COMPANY, STATE GRID SHANDONG ELECTRIC POWER CO., LTD.

Address before: 215121, Jiangsu, Suzhou Industrial Park, South Cross bumper harvest Plaza, 1, 809

Applicant before: Suzhou Beitengte Electronic Technology Co., Ltd.

GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180627

Address after: 226200 No. 101 Nanhai Road, Qidong high tech Industrial Development Zone, Qidong, Nantong, Jiangsu

Patentee after: Qidong Chuang Lu new material Co., Ltd.

Address before: 274032 north side of Zhonghua East Road, Heze, Shandong (opposite bank of China)

Co-patentee before: CHENGWU POWER SUPPLY COMPANY, STATE GRID SHANDONG ELECTRIC POWER CO., LTD.

Patentee before: Heze Power Supply Company, State Grid Shandong Electric Power Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161130

Termination date: 20170727