CN2653685Y - Self repositing leakage protector capable of separating fault and power cut-off - Google Patents
Self repositing leakage protector capable of separating fault and power cut-off Download PDFInfo
- Publication number
- CN2653685Y CN2653685Y CN 200320109147 CN200320109147U CN2653685Y CN 2653685 Y CN2653685 Y CN 2653685Y CN 200320109147 CN200320109147 CN 200320109147 CN 200320109147 U CN200320109147 U CN 200320109147U CN 2653685 Y CN2653685 Y CN 2653685Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- diode
- resistance
- controllable silicon
- silicon scr
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Electronic Switches (AREA)
Abstract
The utility model relates to a self reposition leakage protector which can distinguish failure and the power supply breaking. The utility model comprises an inducing loop, a leakage checking circuit, a main contact SW 2 keeping attracting circuit, a test circuit and a reset circuit, which is characterized in that: the utility model still comprises a main contact SW 2 attracting trigger circuit, and the main contact SW 2 attracting trigger circuit is formed by the attracting trigger circuit J2 in serial connecting with the controllable silicon SCR 2 connected with the front line of the main contact SW 2 as well as a locking closed circuit of the trigger circuit connected with the control polar of the controllable silicon SCR 2. The utility model has the advantage that: the utility model can automatically distinguish automatically resetting or not after the separating button of the leakage protector caused by the breaking or failure.
Description
Technical field
The utility model relates to a kind of earth leakage protective device, the particularly a kind of earth leakage protective device that resets certainly that can distinguish fault and power interruptions.
Background technology
Present earth leakage protective device is widely used; general household electrical appliance are brought into use in order to insure also; during use so long as electrical equipment break down or electric shock accidents take place; earth leakage protective device can be threaded off moment; safe in utilization and the personal safety of protection electrical equipment; but in use there are a lot of electric equipments not have fault; only be that the earth leakage protective device that outage causes can be threaded off moment; and no matter existing earth leakage protective device is outage or fault after dropout; usually need reset by hand, therefore in use bring problem.
Summary of the invention
The purpose of this utility model is to solve no matter earth leakage protective device is outage or fault after dropout in the prior art; usually the problem that need reset by hand, provide a kind of can the automatic distinguishing outage or fault cause earth leakage protective device and thread off after the automatically reset earth leakage protective device that resets certainly that can distinguish fault and power interruptions whether.The utility model design can be distinguished the earth leakage protective device that resets certainly of fault and power interruptions; comprise that induction coil, electric-leakage detection circuit, main contacts SW2 keep attraction circuit, hookup, reset circuit; it is characterized in that: also comprise main contacts SW2 adhesive circuits for triggering, circuits for triggering and locking circuit that the control utmost point that main contacts SW2 adhesive circuits for triggering are connected in series adhesive trigger winding J2 and controllable silicon SCR 2 by the controllable silicon SCR 2 that connects main contacts SW2 front end phase line is connected to constitute.The circuits for triggering that the control utmost point of controllable silicon SCR 2 is connected to are made of diode D4 series resistor R7 and R4, and the positive pole of diode D4 connects the anode tap of controllable silicon SCR 2, and resistance R 4 is the control utmost point of termination controllable silicon SCR 2 in addition.The locking circuit that the control utmost point of controllable silicon SCR 2 is connected to is by transistor Q1 and postpone the locking control circuit and the conducting circuit that keeps Locked constitutes, the base stage of transistor Q1 connects and postpones locking control circuit and the conducting circuit that keeps Locked, the collector electrode of transistor Q1 connects the control utmost point of controllable silicon SCR 2, and the emitter of transistor Q1 connects the cathode terminal of controllable silicon SCR 2.Postponing the locking control circuit is made of voltage-stabiliser tube D5, capacitor C 3, two resistance R 5, R8, diode D8, wherein the negative terminal of diode D8 connects the base stage of transistor Q1, the positive terminating resistor R5 of diode D8, the other end of resistance R 5 also connects capacitor C 3 and resistance R 8, the anode of resistance R 8 another termination voltage-stabiliser tube D5, the negative terminal of voltage-stabiliser tube D5 connects the other end of capacitor C 3, and the anode of voltage-stabiliser tube D5 also contacts the resistance R 7 of Power Generation Road and the R4 end.The conducting circuit that keeps Locked is made of the diode D6 and the resistance R 9 that connect main contacts SW2 rear end phase line, the positive termination main contacts SW2 rear end phase line of diode D6 wherein, the negative terminal connecting resistance R9 of diode D6, the base stage of another termination transistor Q1 of resistance R 9.The conducting circuit that keeps Locked is made of optical coupling IC2 and resistance R 12 and R9 and diode D6, the positive termination main contacts SW2 rear end phase line of diode D6 wherein, the negative terminal of diode D6 connects the input of optical coupling IC2, resistance R 9 connects another input of optical coupling IC2, the output connecting resistance R12 of optical coupling IC2, the base stage of another output termination transistor Q1 of optical coupling IC2.Described transistor Q1 is transistor or metal-oxide-semiconductor field effect transistor.The conducting circuit that keeps Locked constitutes the control utmost point and the negative electrode of auxiliary contact SW4 short circuit controllable silicon SCR 2 by the auxiliary contact SW4 with main contacts SW2 interlock.The conducting circuit that keeps Locked is made of optical coupling IC2 and resistance R 9 and diode D6, the negative terminal of the input terminating diode D6 of optical coupling IC2 wherein, the positive termination main contacts SW2 rear end phase line of diode D6, another input connecting resistance R9 of optical coupling IC2, another termination main contacts SW2 rear end zero line of resistance R 9, the control utmost point of the output termination controllable silicon SCR 2 of optical coupling IC2, the negative electrode of another output termination controllable silicon SCR 2 of optical coupling IC2.The utility model has the advantages that after outage of energy automatic distinguishing or fault cause the earth leakage protective device dropout whether automatically reset.
Description of drawings
Below in conjunction with drawings and Examples the utility model is elaborated,
Accompanying drawing 1 is embodiment 1 structural representation of the present utility model,
Accompanying drawing 2 is embodiment 1 structural representation of the present utility model,
Accompanying drawing 3 is embodiment 1 structural representation of the present utility model,
Accompanying drawing 4 is embodiment 1 structural representation of the present utility model,
Embodiment
Example 1: comprise among Fig. 1 that induction coil, electric-leakage detection circuit, main contacts SW2 keep attraction circuit, hookup, reset circuit, it is characterized in that: also comprise main contacts SW2 adhesive circuits for triggering, circuits for triggering and locking circuit that the control utmost point that main contacts SW2 adhesive circuits for triggering are connected in series adhesive trigger winding J2 and controllable silicon SCR 2 by the controllable silicon SCR 2 that connects main contacts SW2 front end phase line is connected to constitute.The circuits for triggering that the control utmost point of controllable silicon SCR 2 is connected to are made of diode D4 series resistor R7 and R4, and the positive pole of diode D4 connects the anode tap of controllable silicon SCR 2, and resistance R 4 is the control utmost point of termination controllable silicon SCR 2 in addition.The locking circuit that the control utmost point of controllable silicon SCR 2 is connected to is by transistor Q1 and postpone the locking control circuit and the conducting circuit that keeps Locked constitutes, the base stage of transistor Q1 connects and postpones locking control circuit and the conducting circuit that keeps Locked, the collector electrode of transistor Q1 connects the control utmost point of controllable silicon SCR 2, and the emitter of transistor Q1 connects the cathode terminal of controllable silicon SCR 2.Postponing the locking control circuit is made of voltage-stabiliser tube D5, capacitor C 3, two resistance R 5, R8, diode D8, wherein the negative terminal of diode D8 connects the base stage of transistor Q1, the positive terminating resistor R5 of diode D8, the other end of resistance R 5 also connects capacitor C 3 and resistance R 8, the anode of resistance R 8 another termination voltage-stabiliser tube D5, the negative terminal of voltage-stabiliser tube D5 connects the other end of capacitor C 3, and the anode of voltage-stabiliser tube D5 also contacts the resistance R 7 of Power Generation Road and the R4 end.The conducting circuit that keeps Locked is made of the diode D6 and the resistance R 9 that connect main contacts SW2 rear end phase line.The positive termination main contacts SW2 rear end phase line of diode D6 wherein, the negative terminal connecting resistance R9 of diode D6, the base stage of another termination transistor Q1 of resistance R 9.
Example 2: the conducting of (the same Fig. 1 of other circuit) circuit that keeps Locked is made of optical coupling IC2 and resistance R 12 and R9 and diode D6 among Fig. 2, the positive termination main contacts SW2 rear end phase line of diode D6 wherein, the negative terminal of diode D6 connects the input of optical coupling IC2, resistance R 9 connects another input of optical coupling IC2, the output connecting resistance R12 of optical coupling IC2, the base stage of another output termination transistor Q1 of optical coupling IC2.
Example 3: (the same Fig. 1 of other circuit) conducting circuit that keeps Locked constitutes the control utmost point and the negative electrode of auxiliary contact SW4 short circuit controllable silicon SCR 2 by the auxiliary contact SW4 with main contacts SW2 interlock among Fig. 3.
Example 4: (the same Fig. 1 of other circuit) conducting circuit that keeps Locked is made of optical coupling IC2 and resistance R 9 and diode D6 among Fig. 4, the negative terminal of the input terminating diode D6 of optical coupling IC2 wherein, the positive termination main contacts SW2 rear end phase line of diode D6, another input connecting resistance R9 of optical coupling IC2, another termination main contacts SW2 rear end zero line of resistance R 9, the control utmost point of the output termination controllable silicon SCR 2 of optical coupling IC2, the negative electrode of another output termination controllable silicon SCR 2 of optical coupling IC2.
Comprehensive above-mentioned example 1---example 4 is analyzed the operating state from the earth leakage protective device that resets.Main contacts SW2 keeps the attraction circuit action when inserting power supply, makes J1 keep pull-in winding work through D2, R2, R1, and the power supply phase line forms pulsating direct current through D4 and R7 in addition, divides three tunnel work.
(A) the control utmost point that triggers controllable silicon SCR 2 through R4 makes its conducting, J2 energising (cooperating J1) is finished started action, the main contacts SW2 contact of closing.
(B) form delay voltage through D5, R5, R8, C3, D8 and make transistor Q1 (this transistor also can be a metal-oxide-semiconductor field effect transistor) turn on delay, and advance to seal SCR2, guarantee SCR2 only in a power cycle conducting once, as long as keep power supply not fall, SCR2 is with conducting more never later on.
(C) when main contacts SW2 is closed,, make pulsating direct current also enter the Q1 base stage, even the Q1 conducting of existing side by side removes to block SCR2 through R12, IC2 (Fig. 2) because the effect of D6, R9 makes the IC2 conducting.Make device in case after starting successfully, as long as power supply is continuous and SW1 does not press, SCR2 is conducting more never also like this.This Third Road can be simple diode electrically resistance circuit, as the D6 among Fig. 1, R9; Also IC2 can be received between the negative electrode and control grid of SCR2, as the connection in the circuit diagram 4; Also can finish this function by auxiliary contact SW4 with main contacts SW2 interlock, shown in Figure 3 as circuit).
After above-mentioned startup work was finished, in a single day device had the signal of requirement disconnection main contacts SW2 to produce, then finish by the break-make of control coil J1, can not make the capable again conducting of SCR2 this moment because Q1 keeps conducting always, and it is constant that device will be stablized this state of maintenance.At this moment has only by manually pressing SW1 (perhaps break-make primary power source) device is started once more repetitive process 1,2,3.Only conducting is once in a power cycle to guarantee SCR2 by the start-up course of SW1 by R6, C2.
Claims (9)
1, can distinguish the earth leakage protective device that resets certainly of fault and power interruptions; comprise that induction coil, electric-leakage detection circuit, main contacts SW2 keep attraction circuit, hookup, reset circuit; it is characterized in that: also comprise main contacts SW2 adhesive circuits for triggering, circuits for triggering and locking circuit that the control utmost point that main contacts SW2 adhesive circuits for triggering are connected in series adhesive trigger winding J2 and controllable silicon SCR 2 by the controllable silicon SCR 2 that connects main contacts SW2 front end phase line is connected to constitute.
2, by the described earth leakage protective device that resets certainly that can distinguish fault and power interruptions of claim 1; it is characterized in that: the circuits for triggering that the control utmost point of controllable silicon SCR 2 is connected to are made of diode D4 series resistor R7 and R4; the positive pole of diode D4 connects the anode tap of controllable silicon SCR 2, and resistance R 4 is the control utmost point of termination controllable silicon SCR 2 in addition.
3, by the described earth leakage protective device that resets certainly that can distinguish fault and power interruptions of claim 1; it is characterized in that: the locking circuit that the control utmost point of controllable silicon SCR 2 is connected to is by transistor Q1 and postpone the locking control circuit and the conducting circuit that keeps Locked constitutes; the base stage of transistor Q1 connects and postpones locking control circuit and the conducting circuit that keeps Locked; the collector electrode of transistor Q1 connects the control utmost point of controllable silicon SCR 2, and the emitter of transistor Q1 connects the cathode terminal of controllable silicon SCR 2.
4, by the described earth leakage protective device that resets certainly that can distinguish fault and power interruptions of claim 3; it is characterized in that: postpone the locking control circuit and constitute by voltage-stabiliser tube D5, capacitor C 3, two resistance R 5, R8, diode D8; wherein the negative terminal of diode D8 connects the base stage of transistor Q1; the positive terminating resistor R5 of diode D8; the other end of resistance R 5 also connects capacitor C 3 and resistance R 8; the anode of resistance R 8 another termination voltage-stabiliser tube D5; the negative terminal of voltage-stabiliser tube D5 connects the other end of capacitor C 3, and the anode of voltage-stabiliser tube D5 also contacts the resistance R 7 of Power Generation Road and the R4 end.
5, by the described earth leakage protective device that resets certainly that can distinguish fault and power interruptions of claim 3; it is characterized in that: the conducting circuit that keeps Locked is made of the diode D6 and the resistance R 9 that connect main contacts SW2 rear end phase line; the positive termination main contacts SW2 rear end phase line of diode D6 wherein; the negative terminal connecting resistance R9 of diode D6, the base stage of another termination transistor Q1 of resistance R 9.
6, by the described earth leakage protective device that resets certainly that can distinguish fault and power interruptions of claim 3; it is characterized in that: the conducting circuit that keeps Locked is made of optical coupling IC2 and resistance R 12 and R9 and diode D6; the positive termination main contacts SW2 rear end phase line of diode D6 wherein; the negative terminal of diode D6 connects the input of optical coupling IC2; resistance R 9 connects another input of optical coupling IC2; the output connecting resistance R12 of optical coupling IC2, the base stage of another output termination transistor Q1 of optical coupling IC2.
7, by claim 4 or the 5 or 6 described earth leakage protective devices that reset certainly that can distinguish fault and power interruptions, it is characterized in that: described transistor Q1 is transistor or metal-oxide-semiconductor field effect transistor.
8, by the described earth leakage protective device that resets certainly that can distinguish fault and power interruptions of claim 3; it is characterized in that: the conducting circuit that keeps Locked constitutes the control utmost point and the negative electrode of auxiliary contact SW4 short circuit controllable silicon SCR 2 by the auxiliary contact SW4 with main contacts SW2 interlock.
9, distinguish the earth leakage protective device that resets of fault and power interruptions by the described self energy of claim 3; it is characterized in that: the conducting circuit that keeps Locked is made of optical coupling IC2 and resistance R 9 and diode D6; the negative terminal of the input terminating diode D6 of optical coupling IC2 wherein; the positive termination main contacts SW2 rear end phase line of diode D6; another input connecting resistance R9 of optical coupling IC2; another termination main contacts SW2 rear end zero line of resistance R 9; the control utmost point of the output termination controllable silicon SCR 2 of optical coupling IC2, the negative electrode of another output termination controllable silicon SCR 2 of optical coupling IC2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109147 CN2653685Y (en) | 2003-10-23 | 2003-10-23 | Self repositing leakage protector capable of separating fault and power cut-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109147 CN2653685Y (en) | 2003-10-23 | 2003-10-23 | Self repositing leakage protector capable of separating fault and power cut-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2653685Y true CN2653685Y (en) | 2004-11-03 |
Family
ID=34343026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320109147 Expired - Fee Related CN2653685Y (en) | 2003-10-23 | 2003-10-23 | Self repositing leakage protector capable of separating fault and power cut-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2653685Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100349345C (en) * | 2006-02-21 | 2007-11-14 | 通领科技集团有限公司 | Intelligent detecting method and appliance for service stop of electricity leakage protector |
-
2003
- 2003-10-23 CN CN 200320109147 patent/CN2653685Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100349345C (en) * | 2006-02-21 | 2007-11-14 | 通领科技集团有限公司 | Intelligent detecting method and appliance for service stop of electricity leakage protector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108832893B (en) | Photovoltaic module turn-off device, turn-off control method and intelligent module | |
| CN103779829A (en) | Load protection circuit | |
| CN202585289U (en) | External switch controlled trip control device | |
| CN2653685Y (en) | Self repositing leakage protector capable of separating fault and power cut-off | |
| CN105449749A (en) | APO (Automatic Power Off) phone charger | |
| CN105187748A (en) | Standby control circuit and display device | |
| CN104953537A (en) | Overload protection switching device | |
| CN110727232B (en) | Intelligent detection zero-power consumption multi-mode switching control circuit | |
| CN205029317U (en) | Electric electrical shutoff control circuit in earth -leakage protector automation | |
| CN205882733U (en) | Automatic outage cell -phone charger | |
| CN201118194Y (en) | Energy supply protector | |
| CN104144548B (en) | A kind of electronic ballast for fluoresent lamp arc suppressing circuit | |
| CN109687390B (en) | Tracking type electronic fire-proof controller and control method thereof | |
| CN202649723U (en) | Novel self-start controller for use after power recovery of air conditioner | |
| CN206671934U (en) | A kind of second protection circuit of toaster | |
| CN106130176B (en) | A kind of miniature double loop power supply switch of band lightning protection | |
| CN2304936Y (en) | Multifunctional wide range constant voltage protector | |
| CN216819390U (en) | Arc suppression coil integrated equipment based on soft switching of high-voltage fast switch | |
| CN103944139A (en) | No-voltage delayer of undervoltage coil of circuit breaker | |
| CN217590235U (en) | Protection circuit, protection device, earth leakage protection control circuit and earth leakage protection switch | |
| CN213585126U (en) | Power distribution cabinet control circuit based on arc light detection | |
| CN108306257A (en) | Three pole break-make leakage protecting plug of intelligent control type | |
| CN214125141U (en) | Current transformer protection circuit and arc discharge detection circuit | |
| CN211045245U (en) | Transformer pre-magnetizing circuit | |
| CN219351268U (en) | Leakage protector circuit capable of realizing bidirectional wiring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HUANDE ELECTROMECHNICAL PRODUCTS CO., LT Free format text: FORMER OWNER: HAIDE ELECTRONIC MANUFACTURING CO., LTD., SHANGHAI Effective date: 20061201 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20061201 Address after: 201107, Shanghai, Minhang District, 730 North Lane, No. 1 workshop Patentee after: Shanghai Huande Electromechanical Products Co., Ltd. Address before: 201107, Shanghai, Minhang District, 730 North Lane, No. 1 workshop Patentee before: Haide Electronic Manufacture Co., Ltd., Shanghai |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041103 Termination date: 20111023 |