CN2446682Y - Flush-type leakage protecting socket - Google Patents
Flush-type leakage protecting socket Download PDFInfo
- Publication number
- CN2446682Y CN2446682Y CN 00223807 CN00223807U CN2446682Y CN 2446682 Y CN2446682 Y CN 2446682Y CN 00223807 CN00223807 CN 00223807 CN 00223807 U CN00223807 U CN 00223807U CN 2446682 Y CN2446682 Y CN 2446682Y
- Authority
- CN
- China
- Prior art keywords
- thyristor
- circuit
- resistance
- earth leakage
- leakage protective
- 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
Abstract
The utility model relates to a flush type leakage protector which comprises a surface cover with a two-terminal jack and a three-terminal jack, a base, a binding post and a contactor. The utility model is characterized in that the leakage protector comprises a detection controller and a tripping protection device, wherein, the detection controller is composed of a detection circuit and a zero sequence current transformer (9), and the tripping protection device is composed of a pinch plate (5), l an iron core (16), a spring (19) and a coil. The utility model can replace widely used general household sockets with two jacks, three jacks and five jacks. Due to the design of a leakage detection device, when leakage occurs in a used electric appliance, a power supply can be quickly cut off, so that the occurrence of the accident of a human electric shock can be avoided, and the safety in using electricity can be guaranteed; no electrified body is exposed, so that the utility model has the advantage of convenient installation and operation.
Description
The utility model relates to a kind of electrical installation, specifically embedded earth leakage protective socket.
Existing supply socket can only be finished the effect into the electrical appliance power supply, can not cut off the electricity supply when electric leakage takes place electrical appliance, can not protect electricity consumption personnel's personal safety.
The purpose of this utility model provides and a kind ofly can provide power supply for the electrical equipment that is connected with socket, can avoid taking place the accident of human electric shock can the fast shut-off power supply when making electrical appliance that electric leakage take place again, guarantees the embedded earth leakage protective socket of Electrical Safety.
The integrated earth leakage protective socket that embedded earth leakage protective socket of the present utility model is combined by the automatic detection of electric leakage, dropout protective device and two utmost point jacks, three utmost point jacks.Specifically: comprise the cover that contains two utmost point jacks and three utmost point jacks, base, binding post, contact, it is characterized in that containing the detection controller of forming by testing circuit, zero sequence current mutual inductor, and the dropout protective device of forming by buckle, iron core, spring, coil, iron core contacts with spring and overlaps in the main line circle, and the other end unshakable in one's determination connects with buckle; Testing circuit is that the current coil L1 of zero sequence current mutual inductor is serially connected in live wire and two utmost point output plugholes; between the right electrode of three utmost point output plugholes; its current coil L2 is serially connected in zero line and two utmost point output plugholes; between the electrode of three utmost point output plugholes left side; its secondary coil L3 and resistance R 2; the control utmost point of capacitor C 1 and thyristor G1; negative electrode links to each other; resistance R 3; R4; voltage stabilizing didoe DW1; DW2 forms the biasing circuit of thyristor G1; resistance R 5 and capacitor C 2 are the protective circuit of thyristor G1; tripping coil DT is serially connected between the anode of live wire and thyristor, resistance R 6; LED; diode D1 serial connection constitutes the output indicating circuit.
Embedded earth leakage protective socket of the present utility model can replace widely used normal domestic use two jacks, three jacks and five receptacle electrical connectors.Because design has the electric leakage motion detection device, can the fast shut-off power supply when electric leakage takes place the electrical equipment that uses as people, avoid taking place the accident of human electric shock, guarantee safety utilization of electric power, can satisfy national standard " code of building design " requirement (GB50096-1999) fully.Owing to be designed to incorporate structure, binding post has adopted safeguard procedures, thereby the electrified body that does not expose, and installs and uses and brings great convenience.
Fig. 1 is the structure chart of earth leakage protective socket of the present utility model;
Fig. 2 is the vertical view of Fig. 1 of the present utility model;
Fig. 3 is one of automatic testing circuit figure of electric leakage of the present utility model;
Fig. 4 is two of the automatic testing circuit figure of electric leakage of the present utility model;
Fig. 5 is three of the automatic testing circuit figure of electric leakage of the present utility model;
Fig. 6 is four of the automatic testing circuit figure of electric leakage of the present utility model;
Fig. 7 is five of the automatic testing circuit figure of electric leakage of the present utility model;
Fig. 8 is six of the automatic testing circuit figure of electric leakage of the present utility model;
Fig. 9 is seven of the automatic testing circuit figure of electric leakage of the present utility model;
Figure 10 is eight of the automatic testing circuit figure of electric leakage of the present utility model;
Figure 11 is nine of the automatic testing circuit figure of electric leakage of the present utility model;
Figure 12 is ten of the automatic testing circuit figure of electric leakage of the present utility model.
Among Fig. 1,2, the 1-cover, 2-" leads to " button, 3-button push rod, 4-presses key spring, 5-buckle, the 6-button that " breaks ", 7-test spring, 8-detects control circuit board, 9-zero sequence current mutual inductor, 10-base, 11-moving contact, 12-decides contact, 13-conductive plate, 14-screw, 15-binding post, the 16-iron core, 17-conductive reed, 18-coil, 19-spring, the 20-terminal box, 21-two utmost point jacks, 22-light-emitting diode, 23-three utmost point jacks.
Below in conjunction with accompanying drawing the utility model is described in further detail, but is not limited to shown in the accompanying drawing.
The utility model is on the whole by socket cover 1, base assembly, and terminal box 20 3 parts are formed integrated embedded earth leakage protective socket (hereinafter to be referred as this socket).Wherein structure partly is: be connected firmly with screw between socket cover and the base assembly, base assembly by " leading to " button 2, button push rod 3, by key spring 4, buckle 5, " breaking " button 6, test spring 7, detect control circuit board 8, zero sequence current mutual inductor 9, base 10, moving contact 11, decide contact 12, conductive plate 13, screw 14, binding post 15, two utmost point jacks 21, light-emitting diode 22, three utmost point jacks 23 etc. and form." lead to " button and be worn over together on the button push rod 4, forms " break test " button by " break " button 6, test spring 7 rivetings dress by the springs 4 that are sleeved in " leading to " button 2.Binding post 15 is with being riveted on the base 10 by deciding the contact of deciding that contact 12 and conductive plate 13 riveteds form, and moving contact 11 becomes spring assembly with conductive reed 17 riveteds.
Pressing " leading to " button 2 and can connect earth leakage protective socket, is the electrical appliance power supply by two utmost point jacks 21, three utmost point jacks, 23 output voltages, and light-emitting diode 22 luminous indication earth leakage protective sockets are operated in the output voltage state simultaneously; Press " breaking " button 6, " lead to " button 2 at this moment and upspring, cut off earth leakage protective socket, stop to power to electrical appliance.Light-emitting diode extinguishes, and the expression earth leakage protective socket is in the state that stops output voltage, and two utmost point jacks 21, three utmost point jacks 23 do not have voltage output.Whether pressing " breaking " button 6, also can to test the defencive function of earth leakage protective socket except cutting off the electricity supply effective: when pressing " breaking " button 6; " lead to " that button 2 is upspring, light-emitting diode extinguishes; expression earth leakage protective socket defencive function is intact effectively; otherwise the expression earth leakage protective socket lost efficacy (damage), should change.
Testing circuit, zero sequence current mutual inductor 9 formed and detected controllers, and buckle 5, unshakable in one's determination 16, spring 19, coil 18 are formed the dropout protective devices, and unshakable in one's determination 16 with in spring 19 contacts and be placed in coil 18, and the other end of iron core connects with buckle 5.Be illustrated in figure 3 as the standard detection control circuit of this socket; piezo-resistance Ru is connected across live wire; zero line is together; the current coil L1 of zero sequence current mutual inductor HG is serially connected in live wire and two utmost point output plugholes; between the right electrode of three utmost point output plugholes; its current coil L2 is serially connected in zero line and two utmost point output plugholes; between the electrode of three utmost point output plugholes left side; its secondary coil L3 and resistance R 2; the control utmost point of capacitor C 1 and thyristor G1; negative electrode links to each other; resistance R 3; R4; voltage stabilizing didoe DW1; DW2 forms the biasing circuit of thyristor G1; resistance R 5 and capacitor C 2 are the protective circuit of thyristor G1; tripping coil DT is serially connected between the anode of live wire and thyristor, resistance R 6; LED; diode D1 serial connection constitutes the output indicating circuit.
Detecting in the control circuit thyristor G1 can be with bidirectional thyristor or unidirectional thyristor.
Fig. 4 is one of embodiment of detection control circuit of the present utility model, and the biasing circuit of thyristor G1 only is made of resistance R 3 in this circuit.
Fig. 5 is one of embodiment of detection control circuit of the present utility model, and thyristor G1 is by being unidirectional thyristor in this circuit.
Fig. 6 is one of embodiment of detection control circuit of the present utility model, and the biasing circuit of thyristor G1 only is made of resistance R 3 in this circuit, and brilliant pipe changes unidirectional brilliant pipe into simultaneously.
Fig. 7 is one of embodiment of detection control circuit of the present utility model, the biasing circuit of thyristor G1 is made up of resistance R 3, R4 and voltage stabilizing didoe DW1, the LED in parallel of series connection in this circuit, after DW1, the LED parallel connection, one terminates on the tie point of R3, R4, the negative electrode of another termination G1 is cancelled ad hoc output indicating circuit simultaneously.
Fig. 8 is one of embodiment of detection control circuit of the present utility model, the biasing circuit of thyristor G1 is made up of resistance R 3, R4, voltage stabilizing didoe DW1, LED in this circuit, with R4 one end by the anode reconfiguration of thyristor G1 to live wire, cancel ad hoc output indicating circuit simultaneously.
Fig. 9 is one of embodiment of detection control circuit of the present utility model, and the biasing circuit of thyristor G1 only is made of resistance R 3 in this circuit.
Figure 10 is one of embodiment of detection control circuit of the present utility model, the biasing circuit of thyristor G1 is made up of resistance R 3, R4, voltage stabilizing didoe DW1, light-emitting diode in this circuit, thyristor G1 unidirectional thyristor, resistance R 4 one ends are received on the live wire by the anode of thyristor G1, cancelled ad hoc output indicating circuit.
Figure 11 is one of embodiment of detection control circuit of the present utility model, the biasing circuit of thyristor G1 is made up of resistance R 3, R4, voltage stabilizing didoe DW1, LED in this circuit, thyristor is a unidirectional thyristor, the anode reconfiguration that R4 one is brought out thyristor G1 is cancelled ad hoc output indicating circuit to live wire.
Figure 12 is one of embodiment of detection control circuit of the present utility model, and the biasing circuit of thyristor G1 only is made of resistance R 3 in this circuit, and R3 one end is received on the live wire by the anode of thyristor G1, and thyristor G1 is a unidirectional thyristor simultaneously.
Be that example illustrates operation principle of the present utility model (other circuit diagram is similar) now with detection control circuit shown in Figure 3.
After pressing AN1 (" leading to " button 2), under the effect of button push rod 3, switch (moving contact 11, decide contact 12) contact, that spring 19 promotes is unshakable in one's determination 16, buckle 5 is 3 lockings of button push rod, and maintained switch (moving contact 11, decide contact 12) contacts and does not break away from.Input voltage is powered to electrical appliance by elementary winding L 1, the L2 of zero sequence current mutual inductor HG, and LED gets electroluminescence simultaneously, and expression has voltage to export this moment.R6 provides suitable operating current for LED among the figure, D1 protection LED not breakdown damage when current reversal.Under the intact situation of electrical appliance, the size of current that flows through elementary winding L 1, the L2 of zero sequence current mutual inductor HG equates that direction is opposite, thereby the secondary winding L3 non-output signal of zero sequence current mutual inductor HG, not conducting of bidirectional thyristor G1 keeps the earth leakage protective socket normal power supply; When the electrical appliance insulation damages to the earth (passing through human body) electric leakage took place, the size of current of elementary winding L 1, L2 that flows through zero sequence current mutual inductor HG was unequal, so the secondary winding L3 of zero sequence current mutual inductor HG produces output signal.When leakage current reaches specified leakage current, the output signal of the secondary winding L3 of zero sequence current mutual inductor HG makes bidirectional thyristor G1 conducting, thus TK (coil 18) electric generation magnetic force, under the effect of magnetic force, DT (unshakable in one's determination 16) motion drives buckle 5 motions, and 3 releases of button push rod are upspring.Under the elastic force effect of conductive reed 17, switch (moving contact 11, decide contact 12) disconnects, and cuts off current supply circuit, finishes earth leakage protective action.R2, R3, R4, DW1, DW2 provide suitable bias current for bidirectional thyristor G1 among the figure, and C1, Ru suppress interference signal, make its work well stable.R5, C2 protection bidirectional thyristor G1 is not reversed puncture.When pressing AN2 (" breaking " button 6), produce a simulation leakage current by R1, whether be used to test the defencive function of earth leakage protective socket intact or cut off the electricity supply.
Claims (10)
1, a kind of embedded earth leakage protective socket, comprise the cover that contains two utmost point jacks and three utmost point jacks, base, binding post, contact, it is characterized in that containing the detection controller of forming by testing circuit, zero sequence current mutual inductor (9), and the dropout protective device of forming by buckle (5), unshakable in one's determination (16), spring (19), coil, with in spring (19) contacts and be placed in coil (18), the other end of iron core contacts with buckle (5) (16) unshakable in one's determination; Testing circuit is that the current coil L1 of zero sequence current mutual inductor (HG) is serially connected in live wire and two utmost point output plugholes; between the right electrode of three utmost point output plugholes; its current coil L2 is serially connected in zero line and two utmost point output plugholes; between three grades of output plughole left side electrodes; its secondary coil L3 and resistance R 2; the control utmost point of capacitor C 1 and thyristor G1; negative electrode links to each other; resistance R 3; R4; voltage stabilizing didoe DW1; DW2 forms the biasing circuit of thyristor G1; resistance R 5 and capacitor C 2 are the protective circuit of thyristor G1; tripping coil DT is serially connected between the anode of live wire and thyristor, resistance R 6; LED; diode D1 serial connection constitutes the output indicating circuit.
2,, it is characterized in that in the described testing circuit that thyristor G1 can be with bidirectional thyristor or unidirectional thyristor by the described earth leakage protective socket of claim 1.
3, by the described earth leakage protective socket of claim 1, it is characterized in that the biasing circuit of thyristor G1 in the described testing circuit can only be made of resistance R 3.
4, by the described earth leakage protective socket of claim 1, it is characterized in that the biasing circuit of thyristor G1 in the described testing circuit can only be made of resistance R 3, thyristor changes unidirectional thyristor into simultaneously.
5, by the described earth leakage protective socket of claim 1; the biasing circuit that it is characterized in that thyristor G1 in the described testing circuit is made up of the resistance R 3 of connecting, R4 and voltage stabilizing didoe DW1, LED in parallel; after DW1, the LED parallel connection; one terminates on the tie point of R3, R4; the negative electrode of another termination G1 is cancelled ad hoc output indicating circuit simultaneously.
6, by the described earth leakage protective socket of claim 1; the biasing circuit that it is characterized in that thyristor G1 in the described testing circuit is made up of resistance R 3, R4, voltage stabilizing didoe DW1, LED; with R4 one end by the anode reconfiguration of thyristor G1 to live wire, cancel ad hoc output indicating circuit simultaneously.
7, by the described earth leakage protective socket of claim 1; the biasing circuit that it is characterized in that thyristor G1 in the described testing circuit is made up of resistance R 3, R4, voltage stabilizing didoe DW1, LED; thyristor G1 unidirectional thyristor; resistance R 4 one ends are received on the live wire by the anode of thyristor G1, cancelled ad hoc output indicating circuit.
8, by the described earth leakage protective socket of claim 1, it is characterized in that the biasing circuit of thyristor G1 in the described testing circuit only is made of resistance R 3, R3 one end received on the live wire by the anode of thyristor G1 that thyristor G1 is a unidirectional thyristor simultaneously.
9, by the described earth leakage protective socket of claim 1; it is characterized in that " leading to " button is worn on the button push rod (4) together by the spring (4) that is sleeved in " leading to " button (2), forms " break test " button by " break " button (6), test spring (7) riveting dress.
10, by the described earth leakage protective socket of claim 1; it is characterized in that binding post (15) with being riveted on the base (10) by deciding the contact of deciding that contact (12) and conductive plate (13) riveted form, moving contact (11) becomes spring assembly with conductive reed (17) riveted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223807 CN2446682Y (en) | 2000-07-26 | 2000-07-26 | Flush-type leakage protecting socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223807 CN2446682Y (en) | 2000-07-26 | 2000-07-26 | Flush-type leakage protecting socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2446682Y true CN2446682Y (en) | 2001-09-05 |
Family
ID=33588294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00223807 Expired - Fee Related CN2446682Y (en) | 2000-07-26 | 2000-07-26 | Flush-type leakage protecting socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2446682Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009414B (en) * | 2006-01-11 | 2010-09-01 | 黄华道 | Novel current leakage protection jack |
-
2000
- 2000-07-26 CN CN 00223807 patent/CN2446682Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009414B (en) * | 2006-01-11 | 2010-09-01 | 黄华道 | Novel current leakage protection jack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200965956Y (en) | Electrical leakage protective power supply plug | |
| CN203521788U (en) | Electric leakage over-current protection socket | |
| CN2733662Y (en) | Power plug with leakage protection function | |
| CN200950504Y (en) | Electric power plug having earth leakage protective function | |
| CN201369470Y (en) | Earth-leakage protecting plug | |
| CN203056283U (en) | Safe socket with current overload protection | |
| CN200994025Y (en) | Leakage protection socket | |
| CN2446682Y (en) | Flush-type leakage protecting socket | |
| CN201750009U (en) | Household appliance leakage protection socket | |
| CN103794425B (en) | Earth leakage protective device | |
| CN1967950A (en) | Multifunctional fireproofing over loading protecting socket | |
| CN2877101Y (en) | Control circuit with displaying functions of preventing reverse connecting error and state | |
| CN217741584U (en) | Power strip with zero line disconnection protection function | |
| CN200947507Y (en) | Creepage protecting socket | |
| CN200956048Y (en) | Leakage detecting aircuit | |
| CN203553895U (en) | Ground fault circuit interrupter with safety display | |
| CN101645566B (en) | Leakage protection socket | |
| CN201025650Y (en) | Multi-function fireproof overload protection jack | |
| CN200990455Y (en) | Electricity leakage protection socket with service life terminal detection function | |
| CN101162815B (en) | Creepage protecting socket | |
| CN2829138Y (en) | Earth leakage protective socket with alarm prompting function | |
| CN2762328Y (en) | Earth fault circuit breake with electromagnetic drop-out mechanism | |
| CN2909508Y (en) | GFCI with service life end indicating function | |
| CN2852457Y (en) | Status display circuit | |
| CN114156702B (en) | Zero line broken wire protection type power strip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |