CN204030154U - Inhale leakage current, Anti-electric-shock power socket - Google Patents
Inhale leakage current, Anti-electric-shock power socket Download PDFInfo
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- CN204030154U CN204030154U CN201420501213.8U CN201420501213U CN204030154U CN 204030154 U CN204030154 U CN 204030154U CN 201420501213 U CN201420501213 U CN 201420501213U CN 204030154 U CN204030154 U CN 204030154U
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Abstract
The utility model relates to a kind of suction leakage current, Anti-electric-shock power socket, belongs to emergency protection circuit device for electric field.It is characterized in that, the positive pole of diode D4 is connected with capacitor C 5, resistance R 8 and conductive plate DP one end, the negative pole of capacitor C 5, resistance R 8 other ends and diode D4 meets the earth connection G that inhales leakage circuit input, and another termination of conductive plate DP is inhaled leakage circuit output L1L.The utility model connects the good conductive plate DP of electric conductivity at output L1L place; increase the effect that absorbs leakage current; the electric weight that when magnitude of leakage current increases, conductive plate DP stores also increases; diode D4 conducting when reserve of electricity is increased to a certain degree; by earth connection, FN discharges; prevent that leakage current increase from meeting accident, capacitor C 5 and resistance R 8 play the effect of protection diode D4.
Description
Technical field
The utility model relates to emergency protection circuit device for electric field, at length says it is a kind of suction leakage current, Anti-electric-shock power socket.
Background technology
As everyone knows, when some electric device moves in wet environment as street lamp, pump house, home electric etc., because electric wire leaks electricity, electric shock accidents happens occasionally.For protection against electric shock is generally used earth leakage circuit-breaker, but its first reaction of earth leakage circuit-breaker is to cut off the electricity supply, and load cannot normally be worked, and is secondly to search electric leakage position, fixes a breakdown a little.Now, load still cannot be worked.Although some electric device has ground protection line, it can only be protected and be connected to the electric of ground protection line, when electric being flooded, can not stop leakage current to flow in water, and therefore electric shock accidents often occurs.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of suction leakage current, Anti-electric-shock power socket, can absorb leakage current, protection against electric shock, and load and can also normally work when electricity piece is flooded.
The utility model solves the technical scheme that its technical problem adopts: a kind of suction leakage current, Anti-electric-shock power socket, it is characterized in that, the positive pole of diode D4 and capacitor C 5, resistance R 8 and conductive plate DP one end are connected, capacitor C 5, the negative pole of resistance R 8 other ends and diode D4 meets the earth connection G that inhales leakage circuit input, another termination of conductive plate DP is inhaled leakage circuit output L1L, the circuit board of inhaling leakage circuit is wrapped with metal guide electroplax, metallic conduction plate earthing, two input L1 of circuit board, L2 connects two inputs of AC power, an input L1 of AC power connects the positive pole of diode D2, diode D2 negative pole connecting resistance R3 one end, resistance R 3 another termination capacitor C 4, the inverting input of resistance R 4 one end and operational amplifier OP, the in-phase input end connecting resistance R5 of operational amplifier OP, resistance R 6 one end, resistance R 4, resistance R 5, the negative power end ground connection of capacitor C 4 other ends and operational amplifier OP, the positive supply of operational amplifier OP connects the output of bridge rectifier, resistance R 6 connects the emitter of triode A1, between operational amplifier OP output and triode A1 base stage, be connected with resistance R 7, the collector electrode of triode A1 connects the negative pole of diode D3, the plus earth of diode D3, relay coil ZJ is in parallel with diode D3, first group of normally opened contact J12 of relay coil ZJ connects with first group of normally-closed contact J11, second group of normally opened contact J21 of relay coil ZJ connects with second group of normally-closed contact J22, another termination input of normally-closed contact J11 and normally opened contact J21 L1, another input L2 connects normally opened contact J12 and the normally-closed contact J22 other end, between normally opened contact J12 and normally-closed contact J11, meet output L1L, between normally opened contact J21 and normally-closed contact J22, meet output L2L.
The beneficial effects of the utility model are, can absorb leakage current, protection against electric shock, and load and can also normally work when electricity piece is flooded.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that the utility model is inhaled electric leakage device.
Fig. 3 is for inhaling the A-A cutaway view of electric leakage device.
Fig. 4 is that the utility model is inhaled leakage circuit schematic diagram.
1. metal guide electroplaxs in figure, 2. circuit board, L1. input, L2. input, L1L. output, L2L. output, R1, R2, R3, R4, R5, R6, R7, R8. resistance, C1, C3. electrochemical capacitor, C2, C4, C5. electric capacity, D1, D2, D3, D4. diode, OP. operational amplifier, U1. rectifier bridge, T1. transformer, ZJ. relay coil, J11. normally-closed contact, J12. normally opened contact, J21. normally opened contact, J22. normally-closed contact, A1. triode, DP. conductive plate, G. earth connection, FN. earth connection, OA2. inhales electric leakage device.
Embodiment
At Fig. 1, Fig. 2, in Fig. 3, the positive pole of the utility model diode D4 and capacitor C 5, resistance R 8 and conductive plate DP one end are connected, capacitor C 5, the negative pole of resistance R 8 other ends and diode D4 meets the earth connection G that inhales leakage circuit input, another termination of conductive plate DP is inhaled leakage circuit output L1L, the circuit board 2 of inhaling leakage circuit is wrapped with metal guide electroplax 1, metal guide electroplax 1 ground connection, two input L1 of circuit board 2, L2 connects two inputs of AC power, and an input L1 of AC power connects the positive pole of diode D2, diode D2 negative pole connecting resistance R3 one end, resistance R 3 another termination capacitor C 4, the inverting input of resistance R 4 one end and operational amplifier OP, the in-phase input end connecting resistance R5 of operational amplifier OP, resistance R 6 one end, resistance R 4, resistance R 5, the negative power end ground connection of capacitor C 4 other ends and operational amplifier OP, the positive supply of operational amplifier OP meets the output VCC of bridge rectifier, and bridge rectifier is by resistance R 1, resistance R 2, rectifier bridge U1, transformer T1, electrochemical capacitor C1, electrochemical capacitor C3, capacitor C 2, diode D1 forms, and the annexation between each components and parts is known technology.Resistance R 6 connects the emitter of triode A1, between operational amplifier OP output and triode A1 base stage, be connected with resistance R 7, the collector electrode of triode A1 connects the negative pole of diode D3, the plus earth of diode D3, relay coil ZJ is in parallel with diode D3, first group of normally opened contact J12 of relay coil ZJ connects with first group of normally-closed contact J11, second group of normally opened contact J21 of relay coil ZJ connects with second group of normally-closed contact J22, another termination input of normally-closed contact J11 and normally opened contact J21 L1, another input L2 connects normally opened contact J12 and the normally-closed contact J22 other end, between normally opened contact J12 and normally-closed contact J11, meet output L1L, between normally opened contact J21 and normally-closed contact J22, meet output L2L, output L1L and output L2L connect load, on the utility model circuit board 2, can also be provided with earth connection G and earth connection FN.It is upper that the circuit that the utility model diode D4, capacitor C 5, resistance R 8 and conductive plate DP form is welded on wiring board OA3, and suction leakage circuit, metal guide electroplax 1 and circuit board 2 are installed together and have formed suction electric leakage device OA2.The all circuit of the utility model and conductive plate are encased in insert row housing, have jointly formed suction leakage current, Anti-electric-shock power socket.
The utility model is when the voltage of input L1 is during higher than earth connection G voltage, electric current through rectification diode D2 halfwave rectifier by divider resistance R3 step-down, by shunt resistance R4 shunting one part of current, through capacitor C 4 filtering, trigger operational amplifier OP again, triggering required DC power supply is provided by the output VCC of bridge rectifier, now the output current of operational amplifier OP triggers PNP triode A1 through current-limiting resistance R7, simultaneously, operational amplifier OP RoC phase input electric current branches to earth connection G through shunt resistance R5, and be diverted to PNP triode A1 collector electrode through current-limiting resistance R6, the electric current of triode A1 collector electrode is because of the single effect of switch diode D3, can only pass through relay coil ZJ.Diode D2, resistance R 3, resistance R 4, capacitor C 4, resistance R 5, resistance R 6 and operational amplifier OP form voltage comparison loop, and resistance R 7, positive-negative-positive triode A1, diode D3 form relay coil ZJ loop.Now, input L2 is connected with output L1L, and input L1 is connected with output L2L.When the voltage of input L1 terminal is during lower than earth connection G voltage, because of the principle of diode D2 unilateal conduction, the input of the inverting input no-voltage of operational amplifier OP, relay coil ZJ is not charged.Now, input L1 is connected with output L1L, and input L2 is connected with output L2L.
Under peacetime state, metal guide electroplax 1 does not form loop with phase voltage input L1, but the output L1L being connected with neutral terminal L2 forms loop.When input L1, input L2 are flooded, the electric current being flowed out by the connected terminal place of phase voltage input L1 flows on output L1L terminal metal guide electroplax 1 around by water, is finally back in input L1L terminal.In water the free magnitude of current seldom, the almost existence of imperceptible electric current when human body touches water.And now the water between metal guide electroplax 1 and output is because there being resistance, load forms shunt circuit with water, so load can also obtain normal supply voltage.
The utility model connects the good conductive plate DP of electric conductivity at output L1L place; increase the effect that absorbs leakage current; the electric weight that when magnitude of leakage current increases, conductive plate DP stores also increases; diode D4 conducting when reserve of electricity is increased to a certain degree; by earth connection, FN discharges; prevent that leakage current increase from meeting accident, capacitor C 5 and resistance R 8 play the effect of protection diode D4.
Claims (1)
1. inhale leakage current for one kind, Anti-electric-shock power socket, it is characterized in that, the positive pole of diode D4 and capacitor C 5, resistance R 8 and conductive plate DP one end are connected, capacitor C 5, the negative pole of resistance R 8 other ends and diode D4 meets the earth connection G that inhales leakage circuit input, another termination of conductive plate DP is inhaled leakage circuit output L1L, the circuit board of inhaling leakage circuit is wrapped with metal guide electroplax, metallic conduction plate earthing, two input L1 of circuit board, L2 connects two inputs of AC power, an input L1 of AC power connects the positive pole of diode D2, diode D2 negative pole connecting resistance R3 one end, resistance R 3 another termination capacitor C 4, the inverting input of resistance R 4 one end and operational amplifier OP, the in-phase input end connecting resistance R5 of operational amplifier OP, resistance R 6 one end, resistance R 4, resistance R 5, the negative power end ground connection of capacitor C 4 other ends and operational amplifier OP, the positive supply of operational amplifier OP connects the output of bridge rectifier, resistance R 6 connects the emitter of triode A1, between operational amplifier OP output and triode A1 base stage, be connected with resistance R 7, the collector electrode of triode A1 connects the negative pole of diode D3, the plus earth of diode D3, relay coil ZJ is in parallel with diode D3, first group of normally opened contact J12 of relay coil ZJ connects with first group of normally-closed contact J11, second group of normally opened contact J21 of relay coil ZJ connects with second group of normally-closed contact J22, another termination input of normally-closed contact J11 and normally opened contact J21 L1, another input L2 connects normally opened contact J12 and the normally-closed contact J22 other end, between normally opened contact J12 and normally-closed contact J11, meet output L1L, between normally opened contact J21 and normally-closed contact J22, meet output L2L.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501213.8U CN204030154U (en) | 2014-09-02 | 2014-09-02 | Inhale leakage current, Anti-electric-shock power socket |
| KR1020150054647A KR20160027887A (en) | 2014-09-02 | 2015-04-17 | The device that absorb leak electric current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501213.8U CN204030154U (en) | 2014-09-02 | 2014-09-02 | Inhale leakage current, Anti-electric-shock power socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030154U true CN204030154U (en) | 2014-12-17 |
Family
ID=52069984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420501213.8U Expired - Fee Related CN204030154U (en) | 2014-09-02 | 2014-09-02 | Inhale leakage current, Anti-electric-shock power socket |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20160027887A (en) |
| CN (1) | CN204030154U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062139A (en) * | 2018-02-06 | 2018-05-22 | 上海毅栈半导体科技有限公司 | A kind of LDO circuit of the LDO circuit of ultra low quiescent power consumption and the ultra low quiescent power consumption of driving heavy load |
| CN111751742A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack water inlet and leakage detection device with self-checking function and control method |
| CN111751743A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack water detection device with self-checking function and control method thereof |
| CN111751745A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack leakage detection device with self-checking function and control method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102484537B1 (en) | 2020-08-13 | 2023-01-03 | 김학민 | Leackage current stopper |
-
2014
- 2014-09-02 CN CN201420501213.8U patent/CN204030154U/en not_active Expired - Fee Related
-
2015
- 2015-04-17 KR KR1020150054647A patent/KR20160027887A/en not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062139A (en) * | 2018-02-06 | 2018-05-22 | 上海毅栈半导体科技有限公司 | A kind of LDO circuit of the LDO circuit of ultra low quiescent power consumption and the ultra low quiescent power consumption of driving heavy load |
| CN111751742A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack water inlet and leakage detection device with self-checking function and control method |
| CN111751743A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack water detection device with self-checking function and control method thereof |
| CN111751745A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack leakage detection device with self-checking function and control method thereof |
| CN111751742B (en) * | 2020-06-30 | 2022-12-02 | 上海瓶安新能源科技有限公司 | Battery pack water inlet and leakage detection device with self-checking function and control method |
| CN111751743B (en) * | 2020-06-30 | 2022-12-02 | 上海瓶安新能源科技有限公司 | Battery pack water detection device with self-checking function and control method thereof |
| CN111751745B (en) * | 2020-06-30 | 2022-12-06 | 上海瓶安新能源科技有限公司 | Battery pack leakage detection device with self-checking function and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20160027887A (en) | 2016-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180902 |