CN106199406A - A kind of test equipment - Google Patents
A kind of test equipment Download PDFInfo
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- CN106199406A CN106199406A CN201610475061.2A CN201610475061A CN106199406A CN 106199406 A CN106199406 A CN 106199406A CN 201610475061 A CN201610475061 A CN 201610475061A CN 106199406 A CN106199406 A CN 106199406A
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- lagging voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention relates to a kind of test equipment, including AC power circuit, phase generating circuit, ac leakage regulation circuit and time detection circuit；It is characterized in that: phase generating circuit includes controllable silicon current control circuit；Described controllable silicon current control circuit includes: the control signal that exports according to described first half-wave rectifying circuit, the second half-wave rectifying circuit and the 3rd half-wave rectifying circuit 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 in external simulation loop of electric leakage.The present invention is by improving controllable silicon current control circuit so that it is relatively reasonable in structure, it is possible to effectively to meet the testing requirement of special RCCB.
Description
Technical field
The present invention relates to a kind of test equipment, be specifically related to a kind of test equipment.
Background technology
According to standard GB/T 14048.2-2001, the regulation such as GB16916.1-2003, GB16917.1-2003: to no matter
It is the residue pulsating direct current with regulation or residue simple sinusoidal alternating current applying suddenly or slowly rising, can ensure that when regulation
The interior RCCB threaded off is referred to as A type RCCB.Either applying suddenly or slow rising are had without direct current
The residue simple sinusoidal alternating current of component, can ensure that the RCCB threaded off at the appointed time, referred to as AC type RCCB.
From the foregoing, it will be observed that A type RCCB covers the function of AC type RCCB.
Above-mentioned " the residue pulsating current of regulation " is following 4 kinds of situations: the half-wave rectified current of current lagging voltage 0, electricity
The stream half-wave rectified current of lagging voltage 90, the half-wave rectified current of current lagging voltage 135, electric current containing 6mA direct current
The half-wave rectified current of 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 the relatively stable reliable survey of performance
Examination equipment.
For solving above-mentioned technical problem, the invention provides a kind of test equipment, including AC power circuit, direct current supply
Circuit, phase generating circuit, ac leakage regulation circuit, phase place display circuit, indicator light circuit and time detection circuit；It is special
Levy and be: AC power circuit has the first live wire end for constituting load circuit and for constituting the of simulation loop of electric leakage
Two live wire ends, 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, described load circuit
Zero line side is for being connected with the zero line side of equipment under test；Described equipment under test is A type RCCB；Phase generating circuit is used
It is connected in fire wire output end L2 with equipment under test；Phase generating circuit includes control knob circuit, current lagging voltage 0
First half-wave rectifying circuit, the second half-wave rectifying circuit of current lagging voltage 90, the 3rd half-wave of current lagging voltage 135
Rectification circuit, 6mA direct current generative circuit and controllable silicon current control circuit, controllable silicon current control circuit is according to described first
The control signal of half-wave rectifying circuit, the second half-wave rectifying circuit and the output of the 3rd half-wave rectifying circuit is leaked electricity back in described simulation
Road generates the half-wave rectified current of current lagging voltage 0, the half-wave rectified current of current lagging voltage 90, current hysteresis respectively
The half-wave rectified current of rear voltage 135 and the half-wave rectified current of the current lagging voltage 0 containing 6mA direct current；Control knob
Circuit generates the halfwave rectifier of current lagging voltage 0 for controlling phase generating circuit in described simulation loop of electric leakage respectively
Electric current, the half-wave rectified current of current lagging voltage 90, the half-wave rectified current of current lagging voltage 135 and containing 6mA straight
The half-wave rectified current of the current lagging voltage 0 of stream；
3rd half-wave rectifying circuit of described current lagging voltage 135 includes: sine wave shaped circuit, charging circuit and door,
Resistance R9, resistance R10, operational amplifier IC1B, resistance R11, potentiometer WR1, audion BG3, resistance R12, R13, button are opened
Close SB1, resistance R58, audion BG18, opto-coupler chip IC4, resistance R59, bidirectional triode thyristor BG19, resistance R60 and resistance R61；
Charged electrical routing resistance R8 and electric capacity C5 are constituted, resistance R8 and electric capacity C5 successively with the outfan phase of operational amplifier IC1A
Even；
Being made up of diode D6 and D7 with door, the negative pole connecting resistance R8 of diode D6, the positive pole of diode D6 connects operational amplifier
The positive pole of IC1B；The negative pole of diode D7 connects the outfan of operational amplifier IC1A, resistance R9 and the respective input of resistance R10
Meet the positive pole of diode D7, resistance R9 and resistance R10 for setting the voltage of adjusting relative to current lagging voltage 135；
The outfan of the input connecting resistance R9 of resistance R11, the reverse input of the output termination operational amplifier IC1B of resistance R11
End；The reverse input end of the one termination operational amplifier IC1B of potentiometer WR1；Resistance R11 and potentiometer WR1 is used for regulating computing
The comparison voltage relative to current lagging voltage 135 of the reverse input end of amplifier IC1B；
The base stage of audion BG3 connects the outfan of operational amplifier IC1B by resistance R12, and the emitter stage of audion BG3 connects electricity
The input of resistance R13 and the input of the colelctor electrode connecting resistance R11 of press button SB1, audion BG3, audion BG3 and resistance
R13 constitutes emitter follower；The outfan of the adjustable side of potentiometer WR1 and resistance R10 all outfans with resistance R13 are connected；
Resistance R12 is used as the current-limiting resistance of audion BG3 base stage；
The outfan of operational amplifier IC1B is for exporting the control signal of current lagging voltage 135；Electric current on resistance R13
The control signal of lagging voltage 135 is given audion BG18, audion BG18 by press button SB1, resistance R58 and is driven light
Coupling chip IC 4, resistance R59 is the current-limiting resistance that opto-coupler chip IC4 carries out current limliting, it is ensured that opto-coupler chip IC4 effectively works；Light
Coupling chip IC 4, in order to isolate alternating current 220V and phase generating circuit direct current component, controls conducting and the pass of bidirectional triode thyristor BG19
Disconnected, resistance R60 and resistance R61, for controlling the G pole input current of bidirectional triode thyristor BG19, makes input signal enough trigger two-way
Controllable silicon BG19 turns on；Bidirectional triode thyristor BG19 A, K bis-pole be connected on load with alternating current power supply between, flow through the electric current of load
It it is exactly the half-wave rectified current lagging behind voltage 135；
Control bidirectional triode thyristor BG19 can control in circuit by the residue pulsating current specified, regulator potentiometer WR3, WR4
Leakage current is controlled with WR5；When press button SB10 closes, two intermediate contacts of press button SB10 produce for phase place
The detection of raw circuit output waveform；Described controllable silicon current control circuit includes: according to described first half-wave rectifying circuit, second
Half-wave rectifying circuit and the 3rd half-wave rectifying circuit output control signal and turn on audion BG18, driven by audion BG18
Dynamic opto-coupler chip IC4, is controlled A, K pole string of the bidirectional triode thyristor BG19, bidirectional triode thyristor BG19 of break-make by opto-coupler chip IC4
It is associated in described simulation loop of electric leakage；
Described time detection circuit includes: single-chip microcomputer IC6, being used for of being connected with the detection of electrical leakage end of single-chip microcomputer IC6 detect described
The simulation leakaging signal detecting circuit that whether turns on of loop of electric leakage and being 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 mould
Intend loop of electric leakage and be conducted to the time needed for A type RCCB is threaded off and by this time of described numeral method；
First half-wave rectifying circuit of current lagging voltage 0 by resistance R50-resistance R61, diode D37, audion BG17, three
Pole pipe BG18, bidirectional triode thyristor BG19, operational amplifier IC3 and opto-coupler chip IC4 are constituted；The positive terminal of diode D51 and phase
The e of the audion BG22 in the display circuit of position is the most connected, and the negative pole end of diode D51 is connected with one end of resistance R75, resistance
The other end of R75 is extremely connected with the b of audion BG28, and 2 feet of opto-coupler chip IC7 are extremely connected with the c of audion BG28, audion
The e pole of BG28 is connected with 2 feet of stabilivolt BG21；One end of resistance R74 is connected with 3 feet of stabilivolt BG21, opto-coupler chip IC7
4,6 feet be connected with press button SB3 intermediate contact SB3-21, normally opened contact SB3-22 respectively.
The present invention has positive effect: (1) present invention is by improving controllable silicon current control circuit so that it is structure is more
Rationally, it is possible to effectively meet the testing requirement of special RCCB.
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 test equipment of embodiment 1；
Fig. 2 is the part electrical schematic diagram of the test equipment of embodiment 1；
Fig. 3 is another part electrical schematic diagram of the test equipment of embodiment 1.
Detailed description of the invention
(embodiment 1)
Seeing Fig. 1-3, test equipment the present embodiment is a kind of test equipment for testing RCCB, including: alternating current power supply
Circuit 1, DC power-supply circuit 7, phase generating circuit 2, ac leakage regulation circuit 3, phase place display circuit 6, indicator light circuit 5
With 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
Second live wire 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, described load circuit
Zero line side 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 controlling
Button circuit, control knob circuit is used for controlling phase generating circuit 2 and generates current hysteresis respectively in described simulation loop of electric leakage
The half-wave rectified current of rear voltage 0, the half-wave rectified current of current lagging voltage 90, current lagging voltage 135 half-wave whole
Stream electric current and the half-wave rectified current of the current lagging voltage 0 containing 6mA direct current.
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
Measure and be 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
The second half-wave rectifying circuit, the 3rd half-wave rectifying circuit of current lagging voltage 135,6mA direct current generative circuit, Yi Jiyong
Exist in the control signal exported according to described first half-wave rectifying circuit, the second half-wave rectifying circuit and the 3rd half-wave rectifying circuit
Described simulation loop of electric leakage generates the half-wave rectified current of current lagging voltage 0, the half-wave of current lagging voltage 90 respectively
The half-wave of rectified current, the half-wave rectified current of current lagging voltage 135 and the current lagging voltage 0 containing 6mA direct current is whole
The controllable silicon current control circuit of stream electric current.
3rd half-wave rectifying circuit of described current lagging voltage 135 includes: by transformator T2, diode D5, resistance
The sine wave shaped that R3, R4, R5, R6, R7 are constituted with operational amplifier IC1A becomes circuit, with the outfan of operational amplifier IC1A
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 relative to electricity
Resistance R9 and R10 of voltage of adjusting of stream lagging voltage 135, be used for regulating operational amplifier IC1B backward end relative to
The resistance R11 and potentiometer WR1 of the comparison voltage of current lagging voltage 135, the outfan of operational amplifier IC1B is used 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, electricity
The control signal of the current lagging voltage 135 on resistance R13 gives audion BG18, three poles by press button SB1, resistance R58
Pipe BG18 drives opto-coupler chip IC4, resistance R59 to be current-limiting resistances, it is ensured that opto-coupler chip IC4 effectively works.Opto-coupler chip IC4 uses
To isolate alternating current 220V and phase generating circuit direct current component, the turn-on and turn-off of control bidirectional triode thyristor BG19, resistance R60,
R61, for controlling the G pole input current of bidirectional triode thyristor BG19, makes input signal enough trigger bidirectional triode thyristor BG19 conducting.
Bidirectional triode thyristor BG19 A, K bis-pole be connected on load with alternating current power supply between, the electric current flowing through load lags behind voltage exactly
The half-wave rectified current of 135.Control bidirectional triode thyristor BG19 can control, by the residue pulsating current specified in circuit, to adjust
Nodal potential device WR3, WR4, WR5 can control leakage current.When press button SB10 closes, two of press button SB10
Intermediate contact is for the detection of phase generating circuit output waveform.
Described controllable silicon current control circuit includes: according to described first half-wave rectifying circuit, the second half-wave rectifying circuit
With the control signal of the 3rd half-wave rectifying circuit output and the audion BG18 turned on, the opto-coupler chip that driven by audion BG18
IC4, opto-coupler chip IC4 A, K pole of the bidirectional triode thyristor BG19, bidirectional triode thyristor BG19 that control break-make 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
Leakaging signal detecting circuit that whether described simulation loop of electric leakage turns on and the temporal information outfan phase with single-chip microcomputer IC6
The charactron for showing the time even；The electric leakage signal that single-chip microcomputer IC6 exports according to leakaging signal detecting circuit is measured from institute
State simulation loop of electric leakage and be 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 for showing the half of described simulation loop of electric leakage current lagging voltage 0
Ripple rectified current or the half-wave rectified current of current lagging voltage 90 or the half-wave rectified current of current lagging voltage 135 or contain
There is the phase place display circuit 6 of the half-wave rectified current of the current lagging voltage 0 of 6mA direct current.
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.Shelves by adjusting band switch SA1
Position, can change exchange output wiring terminal L1 and the voltage at N two ends.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, and its outfan one end is gone here and there with band switch SA2
Connection 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
Audion BG7, BG8 turn on, and charactron LED1 shows " A ", and charactron LED2 shows " C ".When pressing the button switch SB3, digital
Pipe LED1, LED4 show " A0 "；Pressing the button switch SB2, charactron LED1, LED3, LED4 show " A90 "；Press 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 supply powered by transformator T3 electricity
Road, 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.One end of resistance R67
Being connected with the positive pole of 9V aneroid battery U, the other end of resistance R67 is connected with the intermediate contact of press button SB5, press button SB5
Normally opened contact be connected with normally opened contact, the normally-closed contact of press button SB6,9V dry battery cathode connects the normal of press button SB6
Open contact, normally opened contact is connected, the intermediate contact of press button SB6 and direct current output wiring terminal "+" be connected, press button SB6
Intermediate contact SB6-21 and direct current output "-" be connected.
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, double
Constitute to controllable silicon BG19, operational amplifier IC2, opto-coupler chip IC4, potentiometer WR2.
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, operational amplifier IC3, light
Coupling chip IC 4 is constituted.The positive terminal of diode D51 is extremely connected with the e of the audion BG22 in phase place display circuit, diode
The negative pole end of D51 is connected with one end of resistance R75, and the other end of resistance R75 is extremely connected with the b of audion BG28, opto-coupler chip
2 feet of IC7 are extremely connected with the c of audion BG28, and the e pole of audion BG28 is connected with 2 feet of stabilivolt BG21.Resistance R74's
One end is connected with 3 feet of stabilivolt BG21, the 4 of opto-coupler chip IC7,6 feet respectively with press button SB3 intermediate contact SB3-21,
Normally opened contact SB3-22 is connected.Because of " the residue pulsating current of regulation " has current lagging voltage 0 containing the half of 6mA direct current
Ripple rectified current, therefore this part is for realizing in the case of " A0-6 ", it is ensured that the half-wave rectified current of current lagging voltage 0
Output.
Resistance R73, R77 are the current-limiting resistance of opto-coupler chip IC5, and resistance R78 is the current-limiting resistance of 1 foot of single-chip microcomputer IC6,
Electric capacity C15, resistance R79 form peaker, and resistance R80, R81, R82, R83, R84, R85, R86, R87 are charactron LED11
The current-limiting resistance of each pin, resistance R88, R89, R90, R91 are the current limliting electricity of the b pole of audion BG23, BG24, BG25, BG26
Resistance.Press button SB17 is testing button, and press button SB18 is SR.
When press button SB17 closes, breaker electrifying, DC current forms a spike, input through peaker
1 foot of single-chip microcomputer IC6, single-chip microcomputer IC6 starts timing.When circuit breaker trip, opto-coupler chip IC5 dead electricity, 4,6 feet turn off,
3 feet of single-chip microcomputer IC6 have high level to input, and single-chip microcomputer IC6 stops timing and exports data and show to charactron LED11.When pressing
When button switch 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 embodiment party to the present invention
The restriction of formula.For those of ordinary skill in the field, can also be made other on the basis of the above description different
The change of form or variation.Here without also cannot all of embodiment be given exhaustive.And these belong to the essence of the present invention
What god was extended out obviously changes or changes among still in protection scope of the present invention.
Claims (1)
1. a test equipment, including AC power circuit, DC power-supply circuit, phase generating circuit, ac leakage regulation electricity
Road, phase place display circuit, indicator light circuit and time detection circuit；It is characterized in that: AC power circuit has for constituting
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 the zero line side phase with equipment under test
Even；Described equipment under test is A type RCCB；Phase generating circuit is for being connected with fire wire output end L2 of equipment under test；
Phase generating circuit includes control knob circuit, the first half-wave rectifying circuit of current lagging voltage 0, current lagging voltage 90
The second half-wave rectifying circuit, the 3rd half-wave rectifying circuit of current lagging voltage 135,6mA direct current generative circuit and controlled
Silicon current control circuit, controllable silicon current control circuit according to described first half-wave rectifying circuit, the second half-wave rectifying circuit and
The control signal of the 3rd half-wave rectifying circuit output generates the half of current lagging voltage 0 in described simulation loop of electric leakage respectively
Ripple rectified current, the half-wave rectified current of current lagging voltage 90, the half-wave rectified current of current lagging voltage 135 and contain
The half-wave rectified current of the current lagging voltage 0 of 6mA direct current；Control knob circuit is used for controlling phase generating circuit described
Simulation loop of electric leakage generates the half-wave rectified current of current lagging voltage 0, the halfwave rectifier of current lagging voltage 90 respectively
The halfwave rectifier electricity of electric current, the half-wave rectified current of current lagging voltage 135 and the current lagging voltage 0 containing 6mA direct current
Stream；
3rd half-wave rectifying circuit of described current lagging voltage 135 includes: sine wave shaped circuit, charging circuit and door,
Resistance R9, resistance R10, operational amplifier IC1B, resistance R11, potentiometer WR1, audion BG3, resistance R12, R13, button are opened
Close SB1, resistance R58, audion BG18, opto-coupler chip IC4, resistance R59, bidirectional triode thyristor BG19, resistance R60 and resistance R61；
Charged electrical routing resistance R8 and electric capacity C5 are constituted, resistance R8 and electric capacity C5 successively with the outfan phase of operational amplifier IC1A
Even；
Being made up of diode D6 and D7 with door, the negative pole connecting resistance R8 of diode D6, the positive pole of diode D6 connects operational amplifier
The positive pole of IC1B；The negative pole of diode D7 connects the outfan of operational amplifier IC1A, resistance R9 and the respective input of resistance R10
Meet the positive pole of diode D7, resistance R9 and resistance R10 for setting the voltage of adjusting relative to current lagging voltage 135；
The outfan of the input connecting resistance R9 of resistance R11, the reverse input of the output termination operational amplifier IC1B of resistance R11
End；The reverse input end of the one termination operational amplifier IC1B of potentiometer WR1；Resistance R11 and potentiometer WR1 is used for regulating computing
The comparison voltage relative to current lagging voltage 135 of the reverse input end of amplifier IC1B；
The base stage of audion BG3 connects the outfan of operational amplifier IC1B by resistance R12, and the emitter stage of audion BG3 connects electricity
The input of resistance R13 and the input of the colelctor electrode connecting resistance R11 of press button SB1, audion BG3, audion BG3 and resistance
R13 constitutes emitter follower；The outfan of the adjustable side of potentiometer WR1 and resistance R10 all outfans with resistance R13 are connected；
Resistance R12 is used as the current-limiting resistance of audion BG3 base stage；
The outfan of operational amplifier IC1B is for exporting the control signal of current lagging voltage 135；Electric current on resistance R13
The control signal of lagging voltage 135 is given audion BG18, audion BG18 by press button SB1, resistance R58 and is driven light
Coupling chip IC 4, resistance R59 is the current-limiting resistance that opto-coupler chip IC4 carries out current limliting, it is ensured that opto-coupler chip IC4 effectively works；Light
Coupling chip IC 4, in order to isolate alternating current 220V and phase generating circuit direct current component, controls conducting and the pass of bidirectional triode thyristor BG19
Disconnected, resistance R60 and resistance R61, for controlling the G pole input current of bidirectional triode thyristor BG19, makes input signal enough trigger two-way
Controllable silicon BG19 turns on；Bidirectional triode thyristor BG19 A, K bis-pole be connected on load with alternating current power supply between, flow through the electric current of load
It it is exactly the half-wave rectified current lagging behind voltage 135；
Control bidirectional triode thyristor BG19 can control in circuit by the residue pulsating current specified, regulator potentiometer WR3, WR4
Leakage current is controlled with WR5；When press button SB10 closes, two intermediate contacts of press button SB10 produce for phase place
The detection of raw circuit output waveform；Described controllable silicon current control circuit includes: according to described first half-wave rectifying circuit, second
Half-wave rectifying circuit and the 3rd half-wave rectifying circuit output control signal and turn on audion BG18, driven by audion BG18
Dynamic opto-coupler chip IC4, is controlled A, K pole string of the bidirectional triode thyristor BG19, bidirectional triode thyristor BG19 of break-make by opto-coupler chip IC4
It is associated in described simulation loop of electric leakage；
Described time detection circuit includes: single-chip microcomputer IC6, being used for of being connected with the detection of electrical leakage end of single-chip microcomputer IC6 detect described
The simulation leakaging signal detecting circuit that whether turns on of loop of electric leakage and being 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 mould
Intend loop of electric leakage and be conducted to the time needed for A type RCCB is threaded off and by this time of described numeral method；
First half-wave rectifying circuit of current lagging voltage 0 by resistance R50-resistance R61, diode D37, audion BG17, three
Pole pipe BG18, bidirectional triode thyristor BG19, operational amplifier IC3 and opto-coupler chip IC4 are constituted；The positive terminal of diode D51 and phase
The e of the audion BG22 in the display circuit of position is the most connected, and the negative pole end of diode D51 is connected with one end of resistance R75, resistance
The other end of R75 is extremely connected with the b of audion BG28, and 2 feet of opto-coupler chip IC7 are extremely connected with the c of audion BG28, audion
The e pole of BG28 is connected with 2 feet of stabilivolt BG21；One end of resistance R74 is connected with 3 feet of stabilivolt BG21, opto-coupler chip IC7
4,6 feet be connected with press button SB3 intermediate contact SB3-21, normally opened contact SB3-22 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475061.2A CN106199406A (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475061.2A CN106199406A (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment |
| CN201210262490.3A CN102749581B (en) | 2012-07-27 | A kind of test equipment for testing RCCB |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210262490.3A Division CN102749581B (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment for testing RCCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106199406A true CN106199406A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610460808.7A Pending CN105929328A (en) | 2012-07-27 | 2012-07-27 | Test device used for testing residual-current circuit breaker |
| CN201610474916.XA Withdrawn CN106199404A (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment |
| CN201610466389.8A Active CN105866678B (en) | 2012-07-27 | 2012-07-27 | Test equipment for testing residual current circuit breaker |
| CN201610475456.2A Withdrawn CN106199407A (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment for testing RCCB |
| CN201610473834.3A Withdrawn CN105866680A (en) | 2012-07-27 | 2012-07-27 | Equipment for testing residual-current circuit breaker |
| CN201610475061.2A Withdrawn CN106199406A (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment |
| CN201610473914.9A Withdrawn CN105866681A (en) | 2012-07-27 | 2012-07-27 | Testing equipment |
| CN201610466422.7A Withdrawn CN105866679A (en) | 2012-07-27 | 2012-07-27 | Testing equipment |
| CN201610474942.2A Withdrawn CN106199405A (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment for testing RCCB |
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|---|---|---|---|
| CN201610460808.7A Pending CN105929328A (en) | 2012-07-27 | 2012-07-27 | Test device used for testing residual-current circuit breaker |
| CN201610474916.XA Withdrawn CN106199404A (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment |
| CN201610466389.8A Active CN105866678B (en) | 2012-07-27 | 2012-07-27 | Test equipment for testing residual current circuit breaker |
| CN201610475456.2A Withdrawn CN106199407A (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment for testing RCCB |
| CN201610473834.3A Withdrawn CN105866680A (en) | 2012-07-27 | 2012-07-27 | Equipment for testing residual-current circuit breaker |
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| CN201610473914.9A Withdrawn CN105866681A (en) | 2012-07-27 | 2012-07-27 | Testing equipment |
| CN201610466422.7A Withdrawn CN105866679A (en) | 2012-07-27 | 2012-07-27 | Testing equipment |
| CN201610474942.2A Withdrawn CN106199405A (en) | 2012-07-27 | 2012-07-27 | A kind of test equipment for testing RCCB |
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| CN106771532B (en) * | 2017-02-15 | 2023-08-22 | 许良炎 | Method and circuit for testing instantaneous current of leakage protector |
| CN109917280B (en) * | 2019-02-21 | 2021-06-08 | 东软睿驰汽车技术（沈阳）有限公司 | Circuit state detection system and detection method thereof and high-voltage loop |
| CN110190479B (en) * | 2019-04-30 | 2024-08-06 | 东莞市伊家智能科技有限公司 | Intelligent socket with leakage protection function and intelligent control system |
Family Cites Families (1)
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| CN100474729C (en) * | 2005-12-22 | 2009-04-01 | 佛山市顺德区顺达电脑厂有限公司 | Real time monitoring system for static detection |
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2012
- 2012-07-27 CN CN201610460808.7A patent/CN105929328A/en active Pending
- 2012-07-27 CN CN201610474916.XA patent/CN106199404A/en not_active Withdrawn
- 2012-07-27 CN CN201610466389.8A patent/CN105866678B/en active Active
- 2012-07-27 CN CN201610475456.2A patent/CN106199407A/en not_active Withdrawn
- 2012-07-27 CN CN201610473834.3A patent/CN105866680A/en not_active Withdrawn
- 2012-07-27 CN CN201610475061.2A patent/CN106199406A/en not_active Withdrawn
- 2012-07-27 CN CN201610473914.9A patent/CN105866681A/en not_active Withdrawn
- 2012-07-27 CN CN201610466422.7A patent/CN105866679A/en not_active Withdrawn
- 2012-07-27 CN CN201610474942.2A patent/CN106199405A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN106199407A (en) | 2016-12-07 |
| CN106199404A (en) | 2016-12-07 |
| CN106199405A (en) | 2016-12-07 |
| CN105866678A (en) | 2016-08-17 |
| CN105866678B (en) | 2020-07-17 |
| CN105866679A (en) | 2016-08-17 |
| CN105929328A (en) | 2016-09-07 |
| CN102749581A (en) | 2012-10-24 |
| CN105866680A (en) | 2016-08-17 |
| CN105866681A (en) | 2016-08-17 |
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Application publication date: 20161207 |