CN106249095A - Miniature circuit breaker leakage-current alarm is not threaded off control circuit - Google Patents
Miniature circuit breaker leakage-current alarm is not threaded off control circuit Download PDFInfo
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- CN106249095A CN106249095A CN201610615296.7A CN201610615296A CN106249095A CN 106249095 A CN106249095 A CN 106249095A CN 201610615296 A CN201610615296 A CN 201610615296A CN 106249095 A CN106249095 A CN 106249095A
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- circuit
- current alarm
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- residual current
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
Abstract
nullThe present invention relates to a kind of miniature circuit breaker leakage-current alarm do not thread off control circuit，It includes input L and input N，It also includes power circuit，Residual current alarm signal afterflow time delay conversion circuit、Residual current alarm control circuit and residual current detection circuit，Residual current alarm signal afterflow time delay conversion circuit is provided with residual current alarm signal output lock circuit，Residual current alarm signal afterflow time delay conversion circuit includes tripping relay J1，Residual current alarm signal output lock circuit includes relay J 2，2 feet of switch J2 1 meet input L，1 foot of switch J2 1 is connected with the coil of relay J 2，3 feet of the switch J2 1 of relay J 2 are connected with power circuit，2 feet of the switch J2 2 of relay J 2 and 1 foot close as signal output part，Use double relay is designed to effectively simplify circuit simultaneously，Miniature circuit breaker is made also to be able to realize the function of not trip alarms.
Description
Technical field
The present invention relates to field of circuit breakers, be specifically related to a kind of miniature circuit breaker leakage-current alarm and do not thread off control circuit.
Background technology
Miniature circuit breaker is protected by electrical apparatus release at present, but is not intended to circuit breaker tripping again and is only intended for user
One alarm signal, user carries out concrete operation according to practical situation.
The breaker of plastic casing of Thermomagnetic type is relatively big because of its volume, generally three pole or four-pole circuit breakers.Three poles or quadrupole open circuit
Device is abundant due to inner space, can provide normally opened contact by installing microswitch and linkage rotating shaft additional for peripheral warning circuit, real
The pyromagnetic overload-alarm non-tripping function of existing chopper.But miniature circuit breaker, its inner space is less, and multipole circuit breaker is most
It is assembled structure again, uses traditional mode to be difficult to the effect of not trip alarms electricity.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point, it is proposed that a kind of miniature circuit breaker leakage-current alarm is not threaded off control
Circuit processed.
The technical scheme is that a kind of miniature circuit breaker leakage-current alarm is not threaded off control circuit, it includes input L
With input N, it also includes that the power circuit being connected with input L and input N, residual current alarm signal afterflow time delay turn
Change circuit, residual current alarm control circuit and residual current detection circuit, described residual current alarm signal afterflow time delay
Change-over circuit is additionally provided with residual current alarm signal output lock circuit, described residual current alarm signal afterflow time-delay conversion electricity
Road includes after the coil of the 1 foot SRE J2 of the switch J1-2 of tripping relay J1, tripping relay J1 with input N even
Connecing, 2 feet of the switch J1-2 of tripping relay J1 meet input L, and described residual current alarm signal output lock circuit includes
Relay J 2,2 feet of the switch J2-1 of described relay meet input L, 1 foot of the switch J2-1 of relay J 2 and relay J 2
Coil connect, 3 feet of the switch J2-1 of relay J 2 are connected with power circuit, 2 feet of the switch J2-2 of relay J 2 and 1 foot
Guan Bi is as signal output part.
Described residual current alarm signal afterflow time delay conversion circuit is additionally provided with afterflow delay circuit, described afterflow time delay electricity
Road includes resistance R7 and the electric capacity C9 being sequentially connected in series, and resistance R7 after series connection and electric capacity C9 is connected in parallel on the positive negative output of power circuit
Between pole.
Described power circuit is the rectifier bridge that four diodes are constituted.
Varistor RV in parallel between the input of described power circuit.
This miniature circuit breaker leakage-current alarm control circuit of not threading off is additionally provided with residual current alarm hookup.
Described residual current alarm control circuit includes that control chip U1 and silicon controlled control circuit, described control chip are
SN54123,8 foot series resistances R4 of described control chip U1 connect the anode of the controllable silicon Q1 of silicon controlled control circuit, control core
The 8 foot parallel electrolytic electric capacity C10 ground connection of sheet U1, the anode of described controllable silicon Q1 connects described residual current alarm signal afterflow time delay
The positive output end of change-over circuit, 7 feet of control chip U1 connect the control end of controllable silicon Q1, and the minus earth of controllable silicon Q1 is controlled
Control end parallel resistance R6 successively of silicon Q1, electric capacity C7 ground connection, 6 feet of control chip U1 pass through electric capacity C6 ground connection, control chip
5 feet of U1 and 4 feet are by electric capacity C8 ground connection.
Described residual current detection circuit includes resistance R3 and the resistance being connected respectively with 1 foot and 2 feet of control chip U1
R1, difference shunt capacitance C2 and electric capacity C3 before and after both, the other end of resistance R3 and resistance R1 connects test side Z2 and detection respectively
End Z1, parallel resistance R2 between test side Z2 and test side Z1,1 foot of control chip U1 and 2 feet are respectively by electric capacity C4 and electricity
Hold C1 ground connection.
Beneficial effects of the present invention: realized by two relay J 1 and J2, when electric circuit inspection to electric leakage signal, J1 continues
Electric apparatus coil energising adhesive, now J2 relay coil energising adhesive, then J1 relay release, alarm signal is defeated by J2-2
Go out.Thus realize the effect of not trip alarms, use double relay is designed to effectively simplify circuit simultaneously so that small-sized
Chopper also is able to realize the function of not trip alarms.
Accompanying drawing explanation
Fig. 1 is switch power parallel electric power system structure chart.
Detailed description of the invention
Below for accompanying drawing, embodiments of the invention are described further:
The invention provides a kind of miniature circuit breaker leakage-current alarm not thread off control circuit, it includes input L and input N,
It also includes the power circuit being connected with input L and input N, residual current alarm signal afterflow time delay conversion circuit, surplus
Aftercurrent alarm control circuit and residual current detection circuit, described residual current alarm signal afterflow time delay conversion circuit is also
Being provided with residual current alarm signal output lock circuit, described residual current alarm signal afterflow time delay conversion circuit includes threading off
Relay J 1, is connected with input N after the coil of the 1 foot SRE J2 of the switch J1-2 of tripping relay J1, and dropout continues
2 feet of the switch J1-2 of electrical equipment J1 meet input L, and described residual current alarm signal output lock circuit includes relay J 2,
2 feet of the switch J2-1 of described relay meet input L, and 1 foot of the switch J2-1 of relay J 2 connects with the coil of relay J 2
Connecing, 3 feet of the switch J2-1 of relay J 2 are connected with power circuit, 2 feet of the switch J2-2 of relay J 2 and the Guan Bi conduct of 1 foot
Signal output part.
When the Coil Detector of tripping relay J1 is to trip signal, tripping relay J1 adhesive, so that switch J1-
The normally opened end Guan Bi of 2, i.e. 2 feet and the contact of 1 foot, so that input L is connected with input N by the coil of relay J 2,
So that relay J 2 adhesive, thus switch 2 feet and the 1 foot Guan Bi of J2-1,2 feet of switch J2-2 and 1 foot Guan Bi, output report
Alert model, and switch 2 feet and the 1 foot Guan Bi of J2-1, then make the connection between the coil of input L and tripping relay J1 break
Open, thus tripping relay J1 dead electricity, switch J1-2 disconnects, and relay J 2 is persistently energized in adhesive.
Described residual current alarm signal afterflow time delay conversion circuit is additionally provided with afterflow delay circuit, described afterflow time delay electricity
Road includes resistance R7 and the electric capacity C9 being sequentially connected in series, and resistance R7 after series connection and electric capacity C9 is connected in parallel on the positive negative output of power circuit
Between pole.
Described power circuit is the rectifier bridge that four diodes are constituted.By diode D2, diode D3, diode D4 and
Diode D5 constitutes rectifier bridge, it is achieved the effect of rectification.
Between the input of described power circuit, varistor RV in parallel, protects for overbump.
This miniature circuit breaker leakage-current alarm control circuit of not threading off is additionally provided with residual current alarm hookup.This residue electricity
Stream warning hookup includes test button TEST and test resistance R5, can carry out residual current alarm test.
Described residual current alarm control circuit includes that control chip U1 and silicon controlled control circuit, described control chip are
SN54123,8 foot series resistances R4 of described control chip U1 connect the anode of the controllable silicon Q1 of silicon controlled control circuit, control core
The 8 foot parallel electrolytic electric capacity C10 ground connection of sheet U1, the anode of described controllable silicon Q1 connects described residual current alarm signal afterflow time delay
The positive output end of change-over circuit, 7 feet of control chip U1 connect the control end of controllable silicon Q1, and the minus earth of controllable silicon Q1 is controlled
Control end parallel resistance R6 successively of silicon Q1, electric capacity C7 ground connection, 6 feet of control chip U1 pass through electric capacity C6 ground connection, control chip
5 feet of U1 and 4 feet are by electric capacity C8 ground connection.
Described residual current detection circuit includes resistance R3 and the resistance being connected respectively with 1 foot and 2 feet of control chip U1
R1, difference shunt capacitance C2 and electric capacity C3 before and after both, the other end of resistance R3 and resistance R1 connects test side Z2 and detection respectively
End Z1, parallel resistance R2 between test side Z2 and test side Z1,1 foot of control chip U1 and 2 feet are respectively by electric capacity C4 and electricity
Hold C1 ground connection.
Embodiment is not construed as the restriction invented, but any spiritual improvements introduced based on the present invention, all Ying Ben
Within the protection domain of invention.
Claims (7)
1. miniature circuit breaker leakage-current alarm is not threaded off a control circuit, and it includes input L and input N, it is characterised in that:
It also includes the power circuit being connected with input L and input N, residual current alarm signal afterflow time delay conversion circuit, surplus
Aftercurrent alarm control circuit and residual current detection circuit, described residual current alarm signal afterflow time delay conversion circuit is also
Being provided with residual current alarm signal output lock circuit, described residual current alarm signal afterflow time delay conversion circuit includes threading off
Relay J 1, is connected with input N after the coil of the 1 foot SRE J2 of the switch J1-2 of tripping relay J1, and dropout continues
2 feet of the switch J1-2 of electrical equipment J1 meet input L, and described residual current alarm signal output lock circuit includes relay J 2,
2 feet of the switch J2-1 of described relay meet input L, and 1 foot of the switch J2-1 of relay J 2 connects with the coil of relay J 2
Connecing, 3 feet of the switch J2-1 of relay J 2 are connected with power circuit, 2 feet of the switch J2-2 of relay J 2 and the Guan Bi conduct of 1 foot
Signal output part.
Miniature circuit breaker leakage-current alarm the most according to claim 1 is not threaded off control circuit, it is characterised in that: described residue
Current alarm signal afterflow time delay conversion circuit is additionally provided with afterflow delay circuit, and described afterflow delay circuit includes being sequentially connected in series
Resistance R7 and electric capacity C9, resistance R7 after series connection and electric capacity C9 are connected in parallel between the positive and negative output stage of power circuit.
Miniature circuit breaker leakage-current alarm the most according to claim 1 is not threaded off control circuit, it is characterised in that: described power supply
Circuit is the rectifier bridge that four diodes are constituted.
Miniature circuit breaker leakage-current alarm the most according to claim 3 is not threaded off control circuit, it is characterised in that: described power supply
Varistor RV in parallel between the input of circuit.
Miniature circuit breaker leakage-current alarm the most according to claim 1 is not threaded off control circuit, it is characterised in that: this is small-sized disconnected
Device leakage-current alarm control circuit of not threading off in road is additionally provided with residual current alarm hookup.
Miniature circuit breaker leakage-current alarm the most according to claim 1 is not threaded off control circuit, it is characterised in that: described residue
Electric current alarm control circuit includes that control chip U1 and silicon controlled control circuit, described control chip are SN54123, described control
8 foot series resistances R4 of chip U1 connect the anode of the controllable silicon Q1 of silicon controlled control circuit, the 8 foot parallel electrolytic of control chip U1
Electric capacity C10 ground connection, the anode of described controllable silicon Q1 connects the positive output of described residual current alarm signal afterflow time delay conversion circuit
End, 7 feet of control chip U1 connect the control end of controllable silicon Q1, the minus earth of controllable silicon Q1, and the control end of controllable silicon Q1 is successively
Parallel resistance R6, electric capacity C7 ground connection, 6 feet of control chip U1 pass through electric capacity C6 ground connection, and 5 feet and 4 feet of control chip U1 pass through
Electric capacity C8 ground connection.
Miniature circuit breaker leakage-current alarm the most according to claim 6 is not threaded off control circuit, it is characterised in that: described residue
Current detection circuit includes resistance R3 and the resistance R1 being connected respectively with 1 foot and 2 feet of control chip U1, before and after both the most also
Connection electric capacity C2 and electric capacity C3, the other end of resistance R3 and resistance R1 connects test side Z2 and test side Z1, test side Z2 and inspection respectively
Surveying parallel resistance R2 between end Z1,1 foot of control chip U1 and 2 feet are respectively by electric capacity C4 and electric capacity C1 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610615296.7A CN106249095B (en) | 2016-08-01 | 2016-08-01 | Small circuit breaker leakage alarm non-tripping control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610615296.7A CN106249095B (en) | 2016-08-01 | 2016-08-01 | Small circuit breaker leakage alarm non-tripping control circuit |
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| CN106249095A true CN106249095A (en) | 2016-12-21 |
| CN106249095B CN106249095B (en) | 2022-11-18 |
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| CN201610615296.7A Active CN106249095B (en) | 2016-08-01 | 2016-08-01 | Small circuit breaker leakage alarm non-tripping control circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711937A (en) * | 2016-12-26 | 2017-05-24 | 浙江万马新能源有限公司 | A-type earth leakage protection circuit of alternating-current charging pile |
| CN109103845A (en) * | 2018-10-16 | 2018-12-28 | 华通机电股份有限公司 | A kind of merger formula full-bridge trigger circuit of breaker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10285788A (en) * | 1997-03-31 | 1998-10-23 | Mitsubishi Electric Corp | Breaker for wiring provided with leakage alarm function |
| CN1845188A (en) * | 2006-04-04 | 2006-10-11 | 浙江正泰电器股份有限公司 | Alarm-only non-shut-brake electric leakage alarming module of electric leakage circuit breaker |
| CN201465912U (en) * | 2009-08-28 | 2010-05-12 | 孙长江 | Slow-break device of universal circuit breaker/contactor |
| CN101841146A (en) * | 2010-05-07 | 2010-09-22 | 天津市百利电气有限公司 | Intelligent circuit breaker with overload-alarm non-tripping function and control method |
| CN201616406U (en) * | 2009-12-30 | 2010-10-27 | 佛山市佳华电器科技发展有限公司 | Miniature leakage alarming and non-operating circuit breaker |
| CN205844448U (en) * | 2016-08-01 | 2016-12-28 | 华通机电股份有限公司 | Miniature circuit breaker leakage-current alarm is not threaded off control circuit |
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2016
- 2016-08-01 CN CN201610615296.7A patent/CN106249095B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10285788A (en) * | 1997-03-31 | 1998-10-23 | Mitsubishi Electric Corp | Breaker for wiring provided with leakage alarm function |
| CN1845188A (en) * | 2006-04-04 | 2006-10-11 | 浙江正泰电器股份有限公司 | Alarm-only non-shut-brake electric leakage alarming module of electric leakage circuit breaker |
| CN201465912U (en) * | 2009-08-28 | 2010-05-12 | 孙长江 | Slow-break device of universal circuit breaker/contactor |
| CN201616406U (en) * | 2009-12-30 | 2010-10-27 | 佛山市佳华电器科技发展有限公司 | Miniature leakage alarming and non-operating circuit breaker |
| CN101841146A (en) * | 2010-05-07 | 2010-09-22 | 天津市百利电气有限公司 | Intelligent circuit breaker with overload-alarm non-tripping function and control method |
| CN205844448U (en) * | 2016-08-01 | 2016-12-28 | 华通机电股份有限公司 | Miniature circuit breaker leakage-current alarm is not threaded off control circuit |
Non-Patent Citations (1)
| Title |
|---|
| 朱希余 等: "漏电脱扣及只报警不脱扣的剩余电流断路器", 《建筑电气》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711937A (en) * | 2016-12-26 | 2017-05-24 | 浙江万马新能源有限公司 | A-type earth leakage protection circuit of alternating-current charging pile |
| CN109103845A (en) * | 2018-10-16 | 2018-12-28 | 华通机电股份有限公司 | A kind of merger formula full-bridge trigger circuit of breaker |
| CN109103845B (en) * | 2018-10-16 | 2020-01-21 | 华通机电股份有限公司 | Doubling full-bridge trigger circuit of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106249095B (en) | 2022-11-18 |
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