CN204928073U - Leakage detection tripper - Google Patents
Leakage detection tripper Download PDFInfo
- Publication number
- CN204928073U CN204928073U CN201520483207.9U CN201520483207U CN204928073U CN 204928073 U CN204928073 U CN 204928073U CN 201520483207 U CN201520483207 U CN 201520483207U CN 204928073 U CN204928073 U CN 204928073U
- Authority
- CN
- China
- Prior art keywords
- diode
- line output
- shielding layer
- resistance
- zero line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
Landscapes
- Breakers (AREA)
Abstract
The utility model provides a leakage detection tripper, is equipped with the switch and divides that the off line constructs, drive circuit, this drive circuit includes solenoid, four bridge type rectifier circuit, silicon controlled rectifier and resistance -capacitance filtering reduction voltage circuits that diode cluster becomes, phase line output and zero line output respectively the drape have first electrically conductive shielding layer and second to electrically conduct the shielding layer, first electrically conductive shielding layer and second electrically conduct short circuit between the shielding layer, this short dot is connected with drive circuit's signal input part. This leakage detection tripper can in time suspend power supply when the destruction of insulation trouble appears in phase line output wire or zero line output wire or ground wire.
Description
Technical field
The utility model relates to Electrical Safety resist technology field, particularly relates to a kind of detection of electrical leakage tripper.
Background technology
Detection of electrical leakage tripper is state of insulation for detecting each wire between electrical appliance and power supply.At present, the electric-leakage detection circuit that detection of electrical leakage tripper uses mainly detects the electric leakage signal of load side conductors by the mode of the electromagnetic coupled of photoelectric coupling or instrument transformer, comparatively trigger drive circuit through integrated circuit amplification ratio again and make actuator's action, or the electric leakage signal of two load side conductors is directly triggered two cover drive circuits respectively, to drive actuator's action.The complex circuit of above-mentioned two kinds of modes, production cost is larger.
Summary of the invention
The purpose of this utility model be to provide a kind of circuit simple, highly sensitive, can detect zero, the detection of electrical leakage tripper of two load output lead leakage currents mutually, when phase line wire of output terminal or zero line wire of output terminal or ground wire occur damaging electric leakage, power supply can be cut off immediately.
A kind of detection of electrical leakage tripper, include shell, ground wire, phase line input, zero line input, switch disjunction mechanism, drive circuit, phase line output terminal and zero line output, a pair contact by switch disjunction mechanism between phase line input with phase line output terminal is connected, by another of switch disjunction mechanism, contact is connected between zero line input with zero line output, the 1st conductive shielding layer is coated with at described phase line output terminal, the 2nd conductive shielding layer is coated with at zero line output, described drive circuit is by solenoid, 1st diode, 2nd diode, 3rd diode, 4th diode, controllable silicon, 1st resistance, 2nd resistance and filter capacitor composition, one end of solenoid is connected with phase line output terminal or zero line output, the other end of solenoid is connected with the negative pole of the positive pole of the 1st diode and the 4th diode, the negative pole of the 1st diode is connected with silicon controlled positive pole with the 2nd diode cathode, the positive pole of the 2nd diode is connected with zero line output or phase line output terminal with the node of the negative pole of the 3rd diode, the positive pole of the 3rd diode is connected with one end of filter capacitor and one end of the 2nd resistance with controllable silicon negative pole with the positive pole of the 4th diode, silicon controlled controls pole and is connected with the other end of filter capacitor one end with the other end of the 2nd resistance and the 1st resistance, short circuit between 1st conductive shielding layer and the 2nd conductive shielding layer, this short dot is connected with the other end of the 1st resistance.The bridge rectifier of described 1st diode, the 2nd diode, the 3rd diode and the 4th diode composition selects rectifier bridge stack module to replace, two ac input ends of this rectifier bridge stack module are connected with the other end of solenoid with zero line output respectively, the DC output end positive pole of rectifier bridge stack module is connected with controllable silicon positive pole, and the DC output end negative pole of rectifier bridge stack module is connected with one end of filter capacitor and one end of the 2nd resistance with controllable silicon negative pole.
Compared with prior art, the utility model has following beneficial effect:
Because the utility model is by a set of simple drive circuit be coated with the 1st conductive shielding layer of mutual short circuit respectively and the 2nd conductive shielding layer just can detect rapidly the electric leakage signal that phase line wire of output terminal, zero line wire of output terminal and ground wire occur because of insulation harm on phase, zero line wire of output terminal, and the power supply of electrical appliance can be cut off immediately, make electricity consumption safer.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present utility model.
Embodiment
By embodiment below, the utility model is further elaborated.
As shown in Figure 1, a kind of detection of electrical leakage tripper, by shell, ground wire G, phase line input L1, zero line input N1, switch disjunction mechanism, drive circuit, phase line output terminal L2, zero line output N2, 1st conductive shielding layer A, 2nd conductive shielding layer B forms, a pair contact by switch disjunction mechanism between phase line input L1 with phase line output terminal L2 is connected, by another of switch disjunction mechanism, contact is connected between zero line input N1 with zero line output N2, the 1st conductive shielding layer A is coated with at described phase line output terminal L2, be coated with the 2nd conductive shielding layer B at zero line output N2, described drive circuit is by solenoid K, 1st diode D1, 2nd diode D2, 3rd diode D3, 4th diode D4, controllable silicon SCR, 1st resistance R1, 2nd resistance R2 and filter capacitor C1 forms, one end of solenoid K is connected with phase line output terminal L2, the other end of solenoid K is connected with the negative pole of the positive pole of the 1st diode D1 and the 4th diode D4, the negative pole of the 1st diode D1 is connected with the positive pole of controllable silicon SCR with the 2nd diode D2 negative pole, the positive pole of the 2nd diode D2 is connected with zero line output N2 with the node of the negative pole of the 3rd diode D3, the positive pole of the 3rd diode D3 is connected with one end of filter capacitor C1 and one end of the 2nd resistance R2 with controllable silicon SCR negative pole with the positive pole of the 4th diode D4, the control pole of controllable silicon SCR is connected with the other end of the 2nd resistance R2 and one end of the 1st resistance R1 with the other end of filter capacitor C1, short circuit between 1st conductive shielding layer A and the 2nd conductive shielding layer B, this short dot is connected with the other end of the 1st resistance R1, 1st resistance R1, 2nd resistance R2 and filter capacitor C1 forms capacitance-resistance filter reduction voltage circuit.
In use, when band coating the 1st conductive shielding layer A phase line output terminal L2 wire by damage or because of current-carrying load excessive, cause insulation defect, phase line output terminal L2 and the 1st conductive shielding layer A is caused to touch, now, phase line output terminal L2, 1st conductive shielding layer A, 1st resistance R1, 2nd resistance R2, 3rd diode D3 and zero line output N2 forms current circuit, simultaneously the control pole of controllable silicon SCR and negative pole bear a forward voltage drop, when its trigger current reaches the trigger threshold of this controllable silicon SCR, controllable silicon SCR conducting, solenoid K obtains electric generation electromagnetic force, two pairs of contacts of driving switch disjunction mechanism make disjunction action simultaneously, cut off the connection between phase line output terminal L2 and phase line input L1 and between zero line output N2 and zero line input N1 respectively.
In like manner, the zero line output N2 wire being coated with the 2nd conductive shielding layer B when band by damage or because of current-carrying load excessive, cause insulation defect, zero line output N2 and the 2nd conductive shielding layer B is caused to touch, now, zero line output N2, 2nd conductive shielding layer B, 1st resistance R1, 2nd resistance R2, 4th diode D4, solenoid K and phase line output terminal L2 forms current circuit, simultaneously bear a forward voltage drop between the control pole of controllable silicon SCR and negative pole, when its trigger current reaches the trigger threshold of controllable silicon SCR, controllable silicon SCR conducting, solenoid K obtains electric generation electromagnetic force, two pairs of contacts of driving switch disjunction mechanism make disjunction action simultaneously, cut off the connection between phase line output terminal L2 and phase line input L1 and between zero line output N2 and zero line input N1 respectively.
It is evident that, when the insulating barrier of ground wire G is caused insulation defect by damage, when causing ground wire G and the 1st conductive shielding layer A or the 2nd conductive shielding layer B to touch, ground wire G, 1st conductive shielding layer A or the 2nd conductive shielding layer B, 1st resistance R1, 2nd resistance R2, 4th diode D4, solenoid K and phase line output terminal L2 forms current circuit, now, a forward voltage drop is born between the control pole of controllable silicon SCR and negative pole, when its trigger current reaches the trigger threshold of controllable silicon SCR, controllable silicon SCR conducting, solenoid K obtains electric generation electromagnetic force, two contacts of driving switch disjunction mechanism make disjunction action simultaneously, cut off the connection between phase line output terminal L2 and phase line input L1 and between zero line output N2 and zero line input N1 respectively.
Claims (2)
1. a detection of electrical leakage tripper, include shell, ground wire, phase line input, zero line input, switch disjunction mechanism, drive circuit, phase line output terminal and zero line output, a pair contact by switch disjunction mechanism between phase line input with phase line output terminal is connected, by another of switch disjunction mechanism, contact is connected between zero line input with zero line output, it is characterized in that: be coated with the 1st conductive shielding layer at described phase line output terminal, the 2nd conductive shielding layer is coated with at zero line output, described drive circuit is by solenoid, 1st diode, 2nd diode, 3rd diode, 4th diode, controllable silicon, 1st resistance, 2nd resistance and filter capacitor composition, one end of solenoid is connected with phase line output terminal or zero line output, the other end of solenoid is connected with the negative pole of the positive pole of the 1st diode and the 4th diode, the negative pole of the 1st diode is connected with silicon controlled positive pole with the 2nd diode cathode, the positive pole of the 2nd diode is connected with zero line output or phase line output terminal with the node of the negative pole of the 3rd diode, the positive pole of the 3rd diode is connected with one end of filter capacitor and one end of the 2nd resistance with controllable silicon negative pole with the positive pole of the 4th diode, silicon controlled controls pole and is connected with the other end of filter capacitor one end with the other end of the 2nd resistance and the 1st resistance, short circuit between 1st conductive shielding layer and the 2nd conductive shielding layer, this short dot is connected with the other end of the 1st resistance.
2. detection of electrical leakage tripper according to claim 1, it is characterized in that: the bridge rectifier of described 1st diode, the 2nd diode, the 3rd diode and the 4th diode composition selects rectifier bridge stack module to replace, two ac input ends of this rectifier bridge stack module are connected with the other end of solenoid with zero line output respectively, the DC output end positive pole of rectifier bridge stack module is connected with controllable silicon positive pole, and the DC output end negative pole of rectifier bridge stack module is connected with one end of filter capacitor and one end of the 2nd resistance with controllable silicon negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520483207.9U CN204928073U (en) | 2015-07-07 | 2015-07-07 | Leakage detection tripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520483207.9U CN204928073U (en) | 2015-07-07 | 2015-07-07 | Leakage detection tripper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928073U true CN204928073U (en) | 2015-12-30 |
Family
ID=54977171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520483207.9U Active CN204928073U (en) | 2015-07-07 | 2015-07-07 | Leakage detection tripper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204928073U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808622A (en) * | 2017-05-03 | 2018-11-13 | 空中客车运营简化股份公司 | Including electrical protective device（Current offset）Current source road and method of supplying power to |
| CN109546613A (en) * | 2017-09-22 | 2019-03-29 | 苏州益而益电器制造有限公司 | Power supply line leakage current detects protective device |
| CN114002383A (en) * | 2021-10-26 | 2022-02-01 | 河南驰诚电气股份有限公司 | Acousto-optic integrated independent wireless gas detector system |
| WO2023173454A1 (en) * | 2022-03-14 | 2023-09-21 | 中山市开普电器有限公司 | Power line electronic leak detection and electronic leak protection circuit |
| WO2024016417A1 (en) * | 2022-07-21 | 2024-01-25 | 佛山良辉电子有限公司 | Circuit breaker capable of monitoring power line |
-
2015
- 2015-07-07 CN CN201520483207.9U patent/CN204928073U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808622A (en) * | 2017-05-03 | 2018-11-13 | 空中客车运营简化股份公司 | Including electrical protective device（Current offset）Current source road and method of supplying power to |
| CN108808622B (en) * | 2017-05-03 | 2019-12-13 | 空中客车运营简化股份公司 | Electrical link comprising an electrical protection device and method of supplying power |
| CN109546613A (en) * | 2017-09-22 | 2019-03-29 | 苏州益而益电器制造有限公司 | Power supply line leakage current detects protective device |
| CN109546613B (en) * | 2017-09-22 | 2024-04-30 | 苏州益而益电器制造有限公司 | Power line leakage current detection protection device |
| CN114002383A (en) * | 2021-10-26 | 2022-02-01 | 河南驰诚电气股份有限公司 | Acousto-optic integrated independent wireless gas detector system |
| CN114002383B (en) * | 2021-10-26 | 2022-05-20 | 河南驰诚电气股份有限公司 | Integrated control switch for controlling electromagnetic valve linked with gas detector |
| WO2023173454A1 (en) * | 2022-03-14 | 2023-09-21 | 中山市开普电器有限公司 | Power line electronic leak detection and electronic leak protection circuit |
| WO2024016417A1 (en) * | 2022-07-21 | 2024-01-25 | 佛山良辉电子有限公司 | Circuit breaker capable of monitoring power line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204928073U (en) | Leakage detection tripper | |
| EP2469554A3 (en) | Hybrid switch circuit | |
| WO2014037787A3 (en) | Electric vehicle | |
| JP2016066974A5 (en) | ||
| CN204391679U (en) | A kind of leakage current detection protection circuit | |
| NZ595956A (en) | A circuit breaker with a differential current protection device, an auxiliary contact and a disconnection actuator powered from line voltage | |
| CN104979851B (en) | A kind of on-off circuit and its control method | |
| CN104377647A (en) | Electric leakage protection circuit | |
| CN205753342U (en) | Earth leakage protective device | |
| WO2006076219A3 (en) | A transient suppression circuit | |
| CN204205560U (en) | leakage protection circuit | |
| CN206481243U (en) | A kind of switch reluctance machine drive silicon controlled control circuit | |
| CN204205559U (en) | A kind of leakage protection circuit | |
| CN101726684A (en) | Detecting and warning circuit | |
| CN103986124B (en) | DC voltage converter | |
| CN103474955A (en) | Earth leakage protection plug | |
| CN202503262U (en) | Electric leakage protection device | |
| CN104113038A (en) | Protection circuit | |
| CN102820789A (en) | Alternating current zero and live wire identification conversion circuit | |
| CN203275565U (en) | Multifunctional grounding detector | |
| TW201806289A (en) | Smart switch system and controlling method for switch box | |
| CN202019116U (en) | Earth leakage protection plug | |
| CN204012650U (en) | Single phase poaer supply prevention of electric shock device | |
| CN207542771U (en) | Electric power leakage circuit breakers | |
| CN203536934U (en) | Electric leakage protection plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |