CN106093768A - For detecting the detection equipment of RCCB - Google Patents
For detecting the detection equipment of RCCB Download PDFInfo
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- CN106093768A CN106093768A CN201610460220.1A CN201610460220A CN106093768A CN 106093768 A CN106093768 A CN 106093768A CN 201610460220 A CN201610460220 A CN 201610460220A CN 106093768 A CN106093768 A CN 106093768A
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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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Abstract
The present invention relates to a kind of detection equipment for detecting RCCB, including AC power circuit, phase generating circuit, ac leakage regulation circuit and time detection circuit；Described phase generating circuit connects the phase place display circuit of the half-wave rectified current with the presence of half-wave 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 the current lagging voltage 0 containing 6mA direct current for showing described simulation loop of electric leakage current lagging voltage 0.The present invention is by improving phase generating 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 detection 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 use of performance
Detection equipment in detection RCCB.
For solving above-mentioned technical problem, the invention provides a kind of detection equipment for detecting RCCB, including
AC power circuit, DC power-supply circuit, phase generating circuit, ac leakage regulation current phase display circuit, display lamp electricity
Road and time detection circuit；It is characterized in that: AC power circuit has the first live wire end and use for constituting load circuit
Input for the live wire with equipment under test in constituting the second live wire end simulating loop of electric leakage, the first live wire end and the second live wire end
End is connected, and the zero line side of described load circuit is for being connected with the zero line side of equipment under test；Described phase generating circuit for
The fire wire output end of equipment under test is connected；Phase generating circuit includes that control knob circuit, control knob circuit are used for controlling phase
Position produces electricity after circuit generates the half-wave rectified current of current lagging voltage 0, current hysteresis in described simulation loop of electric leakage respectively
The half-wave rectified current of pressure 90, the half-wave rectified current of current lagging voltage 135 and the current lagging voltage containing 6mA direct current
The half-wave rectified current of 0；Ac leakage regulation circuit is for controlling the size of current of described simulation loop of electric leakage；Time detecting
Circuit is conducted to the time needed for equipment under test is threaded off, i.e. movement time for measuring from described simulation loop of electric leakage；Described phase
Position produces circuit and includes: the first half-wave rectifying circuit of current lagging voltage 0, the second halfwave rectifier of current lagging voltage 90
Circuit, the 3rd half-wave rectifying circuit of current lagging voltage 135,6mA direct current generative circuit and for according to described the first half
The control signal of ripple rectification circuit, the second half-wave rectifying circuit and the output of the 3rd half-wave rectifying circuit is at described simulation loop of electric leakage
After middle the generation respectively half-wave rectified current of current lagging voltage 0, the half-wave rectified current of current lagging voltage 90, current hysteresis
The controllable silicon electric current of the half-wave rectified current of the half-wave rectified current of voltage 135 and the current lagging voltage 0 containing 6mA direct current
Control circuit；
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；
Sine wave shaped electricity routing transformer T2, diode D5, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7 and fortune
Calculate amplifier IC1A to constitute；
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 R11 and the input of the emitter stage connecting resistance R13 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；
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 control signal of three half-wave rectifying circuits outputs 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 electric leakage
In loop；
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 equipment under test is threaded off and by this time of described numeral method；Described phase place produces
After circuit connects with the presence of the half-wave rectified current for showing described simulation loop of electric leakage current lagging voltage 0 or current hysteresis
The half-wave rectified current of voltage 90 or the half-wave rectified current of current lagging voltage 135 or containing the current hysteresis of 6mA direct current after
The phase place display circuit of the half-wave rectified current of voltage 0；Described equipment under test is A type RCCB；
Phase place display circuit is by charactron LED1-charactron LED4, diode D11-diode D 36, audion BG7-audion
The logic circuit of BG16 composition, and press button SB2-press button SB5 composition；
When pressing the button switch SB4, current signal trigger triode BG20 turns on, and audion BG20 output signal triggers three poles
Pipe BG7, BG8 turn on, and charactron LED1 shows " A ", and charactron LED2 shows " C "；When pressing the button switch SB3, charactron
LED1, charactron LED4 show " A0 "；Press the button switch SB2, charactron LED1, charactron LED3, charactron LED4 show
“A90”；Press the button switch SB5, charactron LED1, charactron LED2, charactron LED3, charactron LED4 show " A0-6 ".
The present invention has positive effect: (1) present invention is by improving phase generating circuit so that it is relatively reasonable in structure, 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 detection equipment of embodiment 1；
Fig. 2 is the part electrical schematic diagram of the detection equipment of embodiment 1；
Fig. 3 is another part electrical schematic diagram of the detection equipment of embodiment 1.
Detailed description of the invention
(embodiment 1)
See that Fig. 1-3, the present embodiment are a kind of detection equipment 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 inspection
Slowdown monitoring 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 intermediate contacts of press button SB10 are used for phase generating circuit output wave
The detection of shape.
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., for detecting a detection equipment for RCCB, produce including AC power circuit, DC power-supply circuit, phase place
Circuit, ac leakage regulation current phase display circuit, indicator light circuit and time detection circuit；It is characterized in that: alternating current
Source circuit has the first live wire end for constituting load circuit and for constituting the second live wire end of simulation loop of electric leakage, and 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 used for and quilt
The zero line side of measurement equipment is connected；Described phase generating circuit is for being connected with the fire wire output end of equipment under test；Phase place produces electricity
Road includes that control knob circuit, control knob circuit are used for controlling phase generating circuit and give birth to respectively in described simulation loop of electric leakage
Become the half-wave rectified current of current lagging voltage 0, the half-wave rectified current of current lagging voltage 90, current lagging voltage 135
Half-wave rectified current and the half-wave rectified current of current lagging voltage 0 containing 6mA direct current；Ac leakage regulation circuit is used
In the size of current controlling described simulation loop of electric leakage；Time detection circuit is conducted to from described simulation loop of electric leakage for measuring
Time needed for equipment under test dropout, i.e. movement time；Described phase generating circuit includes: the first the half of current lagging voltage 0
Ripple rectification circuit, the second half-wave rectifying circuit of current lagging voltage 90, the 3rd halfwave rectifier electricity of current lagging voltage 135
Road, 6mA direct current generative circuit and for according to described first half-wave rectifying circuit, the second half-wave rectifying circuit and the 3rd half-wave
The control signal of rectification circuit output generates the halfwave rectifier electricity of current lagging voltage 0 in described simulation loop of electric leakage respectively
Stream, the half-wave rectified current of current lagging voltage 90, the half-wave rectified current of current lagging voltage 135 and containing 6mA direct current
The controllable silicon current control circuit of half-wave rectified current of current lagging voltage 0；
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；
Sine wave shaped electricity routing transformer T2, diode D5, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7 and fortune
Calculate amplifier IC1A to constitute；
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 R11 and the input of the emitter stage connecting resistance R13 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；
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 control signal of three half-wave rectifying circuits outputs 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 electric leakage
In loop；
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 equipment under test is threaded off and by this time of described numeral method；Described phase place produces
After circuit connects with the presence of the half-wave rectified current for showing described simulation loop of electric leakage current lagging voltage 0 or current hysteresis
The half-wave rectified current of voltage 90 or the half-wave rectified current of current lagging voltage 135 or containing the current hysteresis of 6mA direct current after
The phase place display circuit of the half-wave rectified current of voltage 0；Described equipment under test is A type RCCB；
Phase place display circuit is by charactron LED1-charactron LED4, diode D11-diode D 36, audion BG7-audion
The logic circuit of BG16 composition, and press button SB2-press button SB5 composition；
When pressing the button switch SB4, current signal trigger triode BG20 turns on, and audion BG20 output signal triggers three poles
Pipe BG7, BG8 turn on, and charactron LED1 shows " A ", and charactron LED2 shows " C "；When pressing the button switch SB3, charactron
LED1, charactron LED4 show " A0 "；Press the button switch SB2, charactron LED1, charactron LED3, charactron LED4 show
“A90”；Press the button switch SB5, charactron LED1, charactron LED2, charactron LED3, charactron LED4 show " A0-6 ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610460220.1A CN106093768A (en) | 2012-07-27 | 2012-07-27 | For detecting the detection equipment of RCCB |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210262487.1A CN102749578B (en) | 2012-07-27 | 2012-07-27 | A kind of detection equipment for detecting RCCB |
| CN201610460220.1A CN106093768A (en) | 2012-07-27 | 2012-07-27 | For detecting the detection equipment of RCCB |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210262487.1A Division CN102749578B (en) | 2012-07-27 | 2012-07-27 | A kind of detection equipment for detecting RCCB |
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| CN106093768A true CN106093768A (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610464774.9A Pending CN105954674A (en) | 2012-07-27 | 2012-07-27 | Detection device used for detecting electric leakage breaker |
| CN201610460448.0A Withdrawn CN106199400A (en) | 2012-07-27 | 2012-07-27 | Detection equipment |
| CN201610460406.7A Withdrawn CN106124975A (en) | 2012-07-27 | 2012-07-27 | Detection equipment |
| CN201610460447.6A Withdrawn CN106199399A (en) | 2012-07-27 | 2012-07-27 | For detecting the detection equipment of RCCB |
| CN201610463675.9A Withdrawn CN105891711A (en) | 2012-07-27 | 2012-07-27 | Detection device for detecting residual-current circuit breaker |
| CN201610460220.1A Pending CN106093768A (en) | 2012-07-27 | 2012-07-27 | For detecting the detection equipment of RCCB |
| CN201610464968.9A Withdrawn CN106199402A (en) | 2012-07-27 | 2012-07-27 | For detecting the detection equipment of RCCB |
| CN201610463717.9A Withdrawn CN106199401A (en) | 2012-07-27 | 2012-07-27 | Detection equipment |
| CN201610464967.4A Withdrawn CN105891712A (en) | 2012-07-27 | 2012-07-27 | Detection equipment |
| CN201210262487.1A Expired - Fee Related CN102749578B (en) | 2012-07-27 | 2012-07-27 | A kind of detection equipment for detecting RCCB |
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| CN201610464774.9A Pending CN105954674A (en) | 2012-07-27 | 2012-07-27 | Detection device used for detecting electric leakage breaker |
| CN201610460448.0A Withdrawn CN106199400A (en) | 2012-07-27 | 2012-07-27 | Detection equipment |
| CN201610460406.7A Withdrawn CN106124975A (en) | 2012-07-27 | 2012-07-27 | Detection equipment |
| CN201610460447.6A Withdrawn CN106199399A (en) | 2012-07-27 | 2012-07-27 | For detecting the detection equipment of RCCB |
| CN201610463675.9A Withdrawn CN105891711A (en) | 2012-07-27 | 2012-07-27 | Detection device for detecting residual-current circuit breaker |
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| CN201610464968.9A Withdrawn CN106199402A (en) | 2012-07-27 | 2012-07-27 | For detecting the detection equipment of RCCB |
| CN201610463717.9A Withdrawn CN106199401A (en) | 2012-07-27 | 2012-07-27 | Detection equipment |
| CN201610464967.4A Withdrawn CN105891712A (en) | 2012-07-27 | 2012-07-27 | Detection equipment |
| CN201210262487.1A Expired - Fee Related CN102749578B (en) | 2012-07-27 | 2012-07-27 | A kind of detection equipment for detecting RCCB |
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| CN104407305B (en) * | 2014-11-03 | 2017-12-26 | 广东威创视讯科技股份有限公司 | A kind of Power Integrity test device and method |
| CN106953599A (en) * | 2017-03-27 | 2017-07-14 | 长沙云涯电子科技有限责任公司 | Circuit occurs for output-stage circuit and amplitude modulation physiotherapy electrical stimulation signal |
| CN110824350A (en) * | 2019-11-20 | 2020-02-21 | 许昌开普检测研究院股份有限公司 | Circuit breaker double-point position full-working-condition simulator |
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| GB2224404B (en) * | 1988-10-25 | 1993-03-17 | Shakira Ltd | Residual current device |
| GB0226111D0 (en) * | 2002-11-08 | 2002-12-18 | Delta Electrical Ltd | Residual current devices |
| CN101900771B (en) * | 2009-05-31 | 2013-11-27 | 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 |
| CN202748456U (en) * | 2012-07-27 | 2013-02-20 | 苏州贝腾特电子科技有限公司 | Checkout equipment |
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- 2012-07-27 CN CN201610460448.0A patent/CN106199400A/en not_active Withdrawn
- 2012-07-27 CN CN201610460406.7A patent/CN106124975A/en not_active Withdrawn
- 2012-07-27 CN CN201610460447.6A patent/CN106199399A/en not_active Withdrawn
- 2012-07-27 CN CN201610463675.9A patent/CN105891711A/en not_active Withdrawn
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- 2012-07-27 CN CN201610464968.9A patent/CN106199402A/en not_active Withdrawn
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- 2012-07-27 CN CN201610464967.4A patent/CN105891712A/en not_active Withdrawn
- 2012-07-27 CN CN201210262487.1A patent/CN102749578B/en not_active Expired - Fee Related
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| CN105891712A (en) | 2016-08-24 |
| CN106199400A (en) | 2016-12-07 |
| CN102749578A (en) | 2012-10-24 |
| CN106199402A (en) | 2016-12-07 |
| CN105891711A (en) | 2016-08-24 |
| CN106199399A (en) | 2016-12-07 |
| CN106199401A (en) | 2016-12-07 |
| CN106124975A (en) | 2016-11-16 |
| CN105954674A (en) | 2016-09-21 |
| CN102749578B (en) | 2016-06-29 |
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Application publication date: 20161109 |