CN201774098U

CN201774098U - Novel earth leakage protection socket

Info

Publication number: CN201774098U
Application number: CN2010201668741U
Authority: CN
Inventors: 黄华道
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-22
Filing date: 2010-04-22
Publication date: 2011-03-23
Anticipated expiration: 2020-04-22

Abstract

The utility model discloses a novel earth leakage protection socket, which is characterized in that elastic power live wire and zero wire input metal plates of the earth leakage protection socket are respectively arranged above the left and the right of a tripping device in a resetting/tripping mechanical device and move up and down along with the tripping device, and a pair of metal plates is further disposed in a casing, is respectively fixed on lifting arms extending outwards from the left side and the right side of the tripping device in the resetting/trip mechanical device and moves up and down along with the tripping device. One end of the pair of metal plates is provided with movable contacts while the other end is connected with power live wire and zero wire output ends through buses, and static contacts are respectively disposed on output conductive metal plates mounted on two sides of a middle-layer support in the casing and above the movable contacts of the metal plates. The movable contacts on the metal plates and the static contacts on the output conductive metal plates correspondingly contact with each other vertically or are separated from each other so as to form two power source switches. The novel earth leakage protection socket has the advantages of stable and reliable work and safe use.

Description

New type electric leakageproof socket

Technical field

The utility model relates to a kind of earth leakage protective socket.

Background technology

At present; common earth leakage protective socket such as the patent No. 01226819.4,00233169.1 document; it mainly is by housing, is installed in the reset button of surface of shell, testing button; and be installed in the differential differentiating transformer that is used for the detection failure electric current in the housing; be built-in with the tripping coil of iron core, controllable silicon, control chip; power supply input sheet metal, formations such as power output end, reset guide assembly.

Along with the continuous development of earth leakage protective socket industry, people are more and more higher to the safety in utilization and the requirement in useful life of earth leakage protective socket.This makes the insider constantly be devoted to research, improves earth leakage protective socket, makes its strength with better function, work safer, reliable.

The utility model content

In view of the foregoing, main purpose of the present utility model provides the improved new type electric leakageproof socket of a kind of stable and reliable operation.

Another purpose of the present utility model provides a kind of earth leakage protective socket with positive mechanical tripping function.When current leakage jack life termination, can reset button be threaded off by mechanical device, cut off the power supply output of earth leakage protective socket.

Another purpose of the present utility model provides a kind of earth leakage protective socket with Presentation Function.Be provided with two indicator lights in this earth leakage protective socket, one is the indicator light that correctly powers on, and another is a relay indicating light; After the earth leakage protective socket reset button resets preceding and resets, have at least an indicator light bright, with the operating state of reflection earth leakage protective socket.

A purpose more of the present utility model provides a kind of new type electric leakageproof socket power supply output plughole safety shield device, that safety in utilization is good that has.This supply hub safety shield device can prevent to touch because of false touch the generation of the electric shock casualty accident that the electrified body in the supply socket power supply output plughole causes effectively, improves safety in utilization.

For achieving the above object, the utility model is by the following technical solutions: a kind of new type electric leakageproof socket, it comprises housing, be installed in reset button, testing button on the housing, being installed in the earth leakage protective socket realized in the housing has/and the circuit board of non-transformer output and at least one pair of be placed on the output conductive metal sheet in the described housing, be provided with at least one pair of elasticity power firestreak, zero line input sheet metal, at least one pair of power firestreak, zero line output and the mechanical device that resets/trip on this circuit board;

One end of power firestreak, zero line input sheet metal is bent downwardly 90 degree, passes differential differentiating transformer and is welded on the circuit board, links to each other with power firestreak, zero line input wires screw, links to each other with power firestreak, zero line in the wall by lead; The other end of power firestreak input sheet metal is provided with moving contact; The other end of zero-power line input sheet metal is provided with moving contact;

On the power firestreak output, rivet/be welded with a fixed contact; On the zero-power line output, rivet/be welded with fixed contact;

Moving contact corresponding contact or disconnection up and down on fixed contact on power firestreak, the zero line output and power firestreak, the zero line input sheet metal constitutes one group of two mains switch; It is characterized in that:

The arm top is carried in the release left and right sides that described elasticity power firestreak, zero line input sheet metal lay respectively in the described resetting/mechanical device that trips, and along with release moves up and down;

In described housing, also be provided with the pair of metal sheet;

Described pair of metal sheet is separately fixed at outward extending the carrying on the arm in the release left and right sides in the described resetting/mechanical device that trips, and along with release moves up and down;

One end of one of them described sheet metal is provided with moving contact, and the other end links to each other with the power firestreak output by bus; Above this moving contact, a described output conductive metal sheet that is installed in described housing middle layer bracket one side is provided with a fixed contact;

One end of another described sheet metal is provided with moving contact, and the other end links to each other with the zero-power line output by bus; Above this moving contact, described another output conductive metal sheet that is installed in described housing middle layer bracket opposite side is provided with a fixed contact;

Fixed contact on moving contact on the described sheet metal and the described output conductive metal sheet is corresponding contact or disconnection up and down, constitutes another and organizes two mains switches.

The utility model also is provided with an end-of-life positive mechanical tripgear;

This positive mechanical tripgear is positioned at the below of described testing button, and it comprises the elastic steel sheet and the spring of plastics draw piece, fixed plastics draw piece; The elastic steel sheet of plastics draw piece, fixed plastics draw piece and spring are placed in the framework of trip coil;

Between described spring was placed under framework of trip coil and the described plastics draw piece, elastic steel sheet was stuck in the groove on the plastics draw piece, and the plastics draw piece is fixed in the framework of trip coil;

Described plastics draw piece stretches out a hook pin that has a slope near release one side; Below the hook pin, have a mechanical dropout hole on the end face of earth leakage protective socket inner lock buckle;

Push testing button downwards to primary importance, make the metallic test sheet in the earth leakage protective socket contact manually generation simulation leakage current with the conducting strip that links to each other with simulation leakage current current-limiting resistance; If current leakage jack life termination, reset button can't be threaded off/be tripped; Continue to push testing button to the second place; the plastics draw piece is moved down; spring is compressed; elastic steel sheet also is compressed distortion; the hook pin of plastics draw piece inserts in the machinery dropout hole of snap close end face; along with the insertion of hook pin spurs snap close left; the bonnet lock hole of snap close end face is alignd with the reset guide post; the locked groove of reset guide column bottom is jumped out separation from lockhole; reset button dropout/tripping operation; release moves down, and moving contact separates with fixed contact, and the earth leakage protective socket power output end does not have power supply output.

On earth leakage protective socket and power input circuit board that power firestreak, zero line input wires screw link to each other, be welded with respectively a right angle triangle or isoceles triangle shape, be installed in point discharge sheet metal in the fixed bin, that be used to discharge, the two metal sheets tip is staggered relatively, and the maintenance certain intervals, the most advanced and sophisticated head of two metal sheets exposes highly the same; Distance between the two metal sheets top is less than half of the distance between the two metal sheets bottom.

The utility model also comprises at least one group of power supply output plughole safety shield device; This power supply output plughole safety shield device is arranged on this earth leakage protective socket power supply output plughole top; It is formed by left slider, right slide block and spring assembly;

Described left slider, right slide block are arranged in a crossed manner, are placed on power supply output plughole top;

Described spring is arranged on and intersects between the described left slider of placing, the right slide block;

When attaching plug is not inserted in the earth leakage protective socket, described left slider and right slide block cover power firestreak, zero line output conduction sleeve, in the time of in power supply is inserted into earth leakage protective socket, under the effect of the blade on the attaching plug, left slider, right slide block move power firestreak, the zero line output conduction sleeve that exposes its below; When attaching plug was extracted in earth leakage protective socket, under the effect of spring, left slider and right slide block returned to initial position, power firestreak, the zero line of its below are exported the conduction sleeve cover.

The utility model also includes a simulation leakage current generating switch that links with described reset button;

Described simulation electric leakage produces below or the next door that switch is arranged on the release in the described resetting/mechanical device that trips; This simulation leakage current generating switch is made of electric-conductor and elastic sheet metal; Wherein,

Described electric-conductor is installed on the circuit board, links to each other with the power input zero line or the live wire that pass differential differentiating transformer by lead;

One end of described elastic sheet metal is suspended in described electric-conductor top, and the other end links to each other with power input live wire or zero line by tripping coil, relay indicating light, resistance, diode;

When reset button was in trip status and reset mode, described simulation leakage current generating switch was off-state; When reset button was pressed, simulation leakage current generating switch closure produced the simulation leakage current, disconnects immediately immediately.

The utility model also includes a circuit working switch that links with described reset button; This circuit working switch is made of two sheet metals and sheet metal; Wherein,

One end of a sheet metal is riveted on the circuit board, links to each other with power input zero line or live wire by lead, and the other end welding or the riveted joint of sheet metal have a contact;

There is a contact the unsettled top that is positioned at sheet metal of one end of another sheet metal in its end riveted joint; The other end of sheet metal is welded on the circuit board and links to each other with power input live wire or zero line by tripping coil, controllable silicon;

When reset button was in trip status, the circuit working switch disconnected, and whole leakage current detection protection circuit is not charged; After reset button resetted, the circuit working switch closure provided working power by the circuit working switch for whole leakage current detection protection circuit.

The utility model also includes a display circuit operating switch with the interlock of described reset button, and this display circuit operating switch is by two sheet metals and constitute; Wherein,

A sheet metal is welded on the circuit board, by lead, resistance, correctly the indicator light that powers on links to each other the other end and another sheet metal conducting with power input live wire or zero line;

One end of another sheet metal is positioned at the top of sheet metal, and the other end links to each other with power input zero line or live wire by lead;

When reset button be in trip status, when being pressed, display circuit operating switch closure, the circuit working switch disconnects, the indicator light that correctly powers on is bright, relay indicating light does not work; When reset button was in reset mode, the display circuit operating switch disconnected, the circuit working switch closure, and the indicator light that correctly powers on extinguishes, and relay indicating light is bright.

Be provided with two indicator lights in the utility model, one is the indicator light that correctly powers on, and another is a relay indicating light; Described reset button reset preceding and reset after have at least an indicator light bright.

The utlity model has the function that prevents wiring error; if the installer is connected on the earth leakage protective socket power output end the power line mistake in the wall; correct power-up state indicator light does not work; pressing reset button can not be reset all the time; the proof false wiring; have only wiring correct, correct power-up state indicator light is bright, and reset button just can reset.

The utlity model has three kinds of status display function, first kind is the show state function that powers on, and second kind is show state function working properly, and the third is wrong reverse wiring Presentation Function;

Before the reset button proper reset, the indicator light that correctly powers on is bright, and after reset button resetted, relay indicating light was bright; When reset button was prevented from resetting, the indicator light that correctly powers on did not work, expression wiring error.

The utlity model has four kinds of status switches that link with reset button, first kind of display circuit power switch that powers on, second kind of simulation electric leakage produces switch, the third circuit working switch, the 4th kind of power supply main power switch;

When reset button is in trip status, described power supply main power switch, circuit working switch and simulation leakage current generating switch are in off-state, have only described display circuit power switch closure;

When reset button was pressed, described power supply main power switch and circuit working switch were in off-state, described simulation leakage current generating switch and display circuit power switch closure;

Reset button resets, and described simulation leakage current generating switch and display circuit power switch are in off-state, and described power supply main power switch and circuit working switch are in closure state.

Release is contained in the framework of trip coil groove in the utility model, and the described pad that resets is placed on framework of trip coil place, release top; Postioning abutment on the described pad that the resets restriction pad lowest point movably downwards that resets;

Described resetting/the mechanical device that trips comprises a reset guide post and a snap close, has a bonnet lock hole at the end face of snap close, and the bottom surface of this reset guide post and bonnet lock hole contact position are the plane.

This new type electric leakageproof socket power input live wire links to each other with the power input zero line that passes differential differentiating transformer through rectifier diode, resistance, light-emitting diode, tripping coil, closed described simulation leakage current generating switch, produces simulation leakage current feature.

This new type electric leakageproof socket comprises the display circuit that powers on, this display circuit that powers on is made of the indicator light that correctly powers on, display circuit power switch and current-limiting resistance series connection, one end of this display circuit that powers on links to each other with the input power firestreak, and the other end links to each other with the input zero-power line; Described display circuit power switch closure, the indicator light that correctly powers on lights; Described display circuit power switch disconnects, and the indicator light that correctly powers on extinguishes.

Advantage of the present utility model: working stability is reliable, safe in utilization.

Description of drawings

Fig. 1 is the three-dimensional decomposition texture schematic diagram of the utility model;

Fig. 2 is a front view of the present utility model;

Fig. 3 is the front view after the utility model removes loam cake;

Fig. 4-1, Fig. 4 the-the 2nd, the annexation schematic diagram between the utility model power supply input sheet metal, power output end, the sheet metal;

Fig. 5 is that each module position concerns schematic diagram on the utility model circuit board;

Fig. 6 is the utility model three-dimensional decomposition texture schematic diagram of mechanical device that resets/trip;

Fig. 7-the 1st, the B-B partial sectional view of Fig. 3, the earth leakage protective socket initial condition, reset button is in trip gear, and each module position concerns schematic diagram during the output of earth leakage protective socket non-transformer;

Fig. 7-the 2nd, the B-B partial sectional view of Fig. 3, reset button is pressed moment, and during the output of earth leakage protective socket non-transformer, each module position concerns schematic diagram in the earth leakage protective socket;

Fig. 7-the 3rd, the B-B partial sectional view of Fig. 3, reset button resets, and earth leakage protective socket is working properly when power supply output is arranged, and each module position concerns schematic diagram in the earth leakage protective socket;

Fig. 8-the 1st, the B-B partial sectional view of Fig. 3, testing button is pressed into primary importance makes metallic test sheet 46 contact with conducting strip 47, reset button is not threaded off, earth leakage protective socket still has power supply output, prove this earth leakage protective socket during end-of-life, each module position concerns schematic diagram in the earth leakage protective socket;

Fig. 8-the 2nd, the B-B partial sectional view of Fig. 3 continues to push testing button to the second place and makes mechanical by force trip gear action, and reset button is threaded off, and when cutting off the output of earth leakage protective socket power supply, each module position concerns schematic diagram in the earth leakage protective socket;

Fig. 9-the 1st, the C-C partial sectional view of Fig. 3, reset button is in trip status, and during the output of earth leakage protective socket non-transformer, each module position concerns schematic diagram in the earth leakage protective socket;

Fig. 9-the 2nd, the C-C partial sectional view of Fig. 3, reset button is pressed, and during the output of earth leakage protective socket non-transformer, each module position concerns schematic diagram in the earth leakage protective socket;

Fig. 9-the 3rd, the C-C partial sectional view of Fig. 3, reset button resets, and when earth leakage protective socket had power supply output, each module position concerned schematic diagram in the earth leakage protective socket;

Figure 10 is mounted in the leakage current detection protection circuit embodiment 1 physical circuit figure in the utility model;

Figure 11 is mounted in the leakage current detection protection circuit embodiment 2 physical circuit figure in the utility model.

Embodiment

As shown in Figure 1, the disclosed new type electric leakageproof socket of the utility model mainly by housing, be installed in the earth leakage protective socket realized in the housing and have/circuit board 18 of non-transformer output constitutes.

Described housing is combined by the middle layer bracket 3 and the base 4 of loam cake 2, insulation; Between the middle layer bracket 3 of loam cake 2 and insulation, metal ground connection mounting panel 1 is installed; Between middle layer bracket 3 that insulate and base 4, circuit board 18 is installed.

As shown in Figure 1 and Figure 2, on loam cake 2, have two group of three plug-in

source output plughole

5,6, reset button hole 8-A, testing button hole 7-A and status indicator lamp hole 30-A.Reset button (RESET) 8 and testing button (TEST) 7 are installed in reset button hole 8-A and testing button hole 7-A, and reset button 8 and testing button 7 pass metal ground connection mounting panel 1 and insulation middle layer bracket 3 and contact with assembly on the circuit board 18.Be provided with four grab 2-A in the side of loam cake 2, be used for fixing, loam cake 2 is fixed with base 4 be in the same place with the draw-in groove 4-B of base 4 inboards.

Metal ground connection mounting panel 1 links to each other with the earth by earthing screw 13-A or ground connection tension disc 13E (referring to Fig. 3), lead between the middle layer bracket 3 of loam cake 2 and insulation.On metal ground connection mounting panel 1, locate to be provided with ground connection blade 11,12 with the ground hole of loam cake 2 power

supply output plugholes

5,6 is vertical up and down.Be provided with installing hole 13-B and faceplate screw installing hole 13-H at the two ends of metal ground connection mounting panel 1.

Shown in Fig. 1, Fig. 3, Fig. 4-1, Fig. 4-2, respectively be placed with an output

conductive metal sheet

14 and 13 respectively in the both sides of the middle layer bracket 3 that insulate.At the two ends of output

conductive metal sheet

13,14, locate to be provided with sheet

clip leaf wing

60,61,62,63 with null line hole, the live wire hole of loam cake 2 power

supply output plugholes

5,6 are vertical up and down.

As shown in Figure 1, base 4 is used to hold middle layer bracket 3 and circuit board 18.The bilateral symmetry of base 4 be provided with a pair of zero-power line, live wire input wires screw 9,10 and a pair of zero-power line, live wire output connection screw 109,110.

Core component of the present utility model is mounted in the circuit board 18 in the housing, the power supply output connection screw 109,110 that it has the power

supply output plughole

5,6 that makes on the earth leakage protective socket loam cake 2, base 4 both sides has/or non-transformer output and detect earth leakage protective socket whether end-of-life, show testing result, make reset button reliably, stably reset/or the function of threading off.

Shown in Fig. 1, Fig. 5, Fig. 4-1, Fig. 4-2, on circuit board 18, be provided with two elasticity power firestreaks, zero line input sheet metal 51,50.One end of power firestreak, zero line

input sheet metal

51,50 is bent downwardly 90 degree, passing differential differentiating transformer 19 is welded on the circuit board 18, link to each other with power firestreak, zero line input wires screw 10,9 by power supply

input wires sheet

25,24, power firestreak input wires screw 10 links to each other with power firestreak in the wall by lead, and zero-power line input wires screw 9 links to each other with zero-power line in the wall by lead.The other end of power firestreak input sheet metal 51 is provided with moving contact 55; The other end of zero-power line input sheet metal 50 is provided with moving contact 54.

The other end at circuit board 18 is welded with a pair of power firestreak that contacts with power supply output connection screw 110,109, zero line output 81,80.On power firestreak output 81, rivet/be welded with a fixed contact 16; On zero-power line output 80, rivet/be welded with fixed contact 15.Moving contact corresponding contact or

disconnection

55,54 about on fixed

contact

16,15 on power firestreak, the zero

line output

81,80 and power firestreak, the zero line

input sheet metal

51,50 constitutes one group of two mains switch.

One end of power firestreak, zero line

input sheet metal

51,50 is bent downwardly 90 degree, passing differential differentiating transformer 19 is welded on the circuit board 18, the other end is positioned at and resets/the outward extending arm top of carrying, release 28 left and right sides of dropout mechanical device, and, contact with power firestreak, zero

line output

81,80 or disconnect along with release 28 moves up and down.As Fig. 5, shown in Figure 6, outward extending carrying also is fixed with a

sheet metal

23A, 22A respectively on the arm in release 28 left and right

sides.Sheet metal

23A, 22A are fixed on release 28 left and right sides and carry on the arm, move up and down with release 28, the end of

sheet metal

23A, 22A is provided with moving

contact

23,22, and the other end links to each other with power firestreak, zero

line output

81,80 by bus H3, H2 (referring to Fig. 5).Certainly, the other end of

sheet metal

23A, 22A can also directly be welded on the circuit board, links to each other with power firestreak, zero

line output

81,80 by the lead on the circuit board.

As Fig. 4-1, Fig. 4-2, shown in Figure 5, above sheet metal 23A moving contact 23, the output conductive metal sheet 14 that is installed in middle layer bracket 3 one sides is provided with a fixed contact 53.Equally, above sheet metal 22A moving contact 22, the output conductive metal sheet 13 that is installed in middle layer bracket 3 opposite sides is provided with a fixed contact 52.Moving

contact

23,22 on sheet metal 23A, the 22A and corresponding contact or the

disconnection

53,52 about of the fixed contact of output on the

conductive metal sheet

14,13 constitute another and organize two mains switches.

The advantage of this structural design: 1, make and be positioned at release about 28 and carry that the sheet metal of arm top is a pair of to be

elastic sheet metal

51,50, a pair of is

non-resilient sheet metal

23A, 22A, thereby, alleviate the stressed of the back-moving spring that is enclosed within on the reset guide post 35, prevent that the contact contact is bad.2, avoid the instability of spacing between the moving contact, cause withstand voltage reduction.When 3, reducing work, the contact temperature rise of moving contact, fixed contact.4, a pair of moving

contact

55,54 band elasticity, another is not with elasticity to moving

contact

22,23, and when reseting procedure, four pairs of power contacts can be regulated automatically, make contact better.5, reduce tripping operation and produce electric arc.6, contact long service life.

As Fig. 1, Fig. 5, Fig. 7-1, Figure 10, shown in Figure 11, on circuit board 18, also be provided with the differential differentiating transformer 19 (coil L1, the L2 of Figure 10, Figure 11) that is used for the detection failure electric current.Power firestreak, zero line

input sheet metal

51,50 passes differential differentiating transformer 19 and links to each other with power firestreak, zero line in the wall through power supply input wires screw.When leaky occurring in the current supply circuit; differential differentiating transformer will output signal to control chip IC1; control chip IC1 output control signal makes controllable silicon V4 conducting; make tripping coil 26 (the coil L3 among Figure 10, Figure 11) produce magnetic field automatically; suction draws the iron core 42 that is built in the tripping coil laterally to move; the microcephaly of iron core 42 collides snap close 30; thereby snap close 30 actions make resetting on the circuit board 18/mechanical device that trips action; reset button 8 is threaded off, cut off the output of earth leakage protective socket power supply.

Shown in Fig. 1, Fig. 6, Fig. 7-1～Fig. 7-3; on circuit board 18, also be provided with and make power supply

input sheet metal

51,50 and

power output end

81,80;

sheet metal

23A, 22A be connected with output

conductive metal sheet

14,13 electric power/or disconnect; thereby, earth leakage protective socket is had/mechanical device that resets/trip of non-transformer output.This mechanical device that resets/trip mainly comprises the reset guide post 35 that is embedded in below the reset button 8, be enclosed within back-moving spring 91 and fast trip spring 66-A on the reset guide post 35, pad 28A resets, " T " font release 28, snap close 30, with simulation leakage current generating switch 72A, 72 (the K switch R-4 among Figure 10, Figure 11) of reset button 8 interlocks, circuit working switch 88,67 (the K switch R-2 among Figure 10, Figure 11) and display circuit power switch 88,66 (the K switch R-6 among Figure 10, Figure 11)) and tripping coil 26.

" T " font release 28 is positioned at the below of reset button 8, with reset button 8 interlocks." T " font release 28 left and right sides stretch out to form and carry arm, and elasticity power firestreak, zero line

input sheet metal

51,50 lay respectively at release 28 left and right sides and carry arm top, the below of the pad 28A that resets.

Sheet metal

23A, 22A are separately fixed at release 28 left and right sides and carry on the arm.The sheet metal 23A, the 22A that drive elasticity power supply

input sheet metal

51,50 and be fixed on the release when release 28 and reset button 8 move up and down move up and down.

The pad 28A that resets is positioned at the below of reset button 8, the top of " T " font release 28.Reset pad 28A and release 28 can be combined, and moves up and down with release 28; Simultaneously, resetting pad 28A again can be separated from one another with release 28.Release 28 is contained in the framework of trip coil 26Z groove, and the pad 28A that resets is placed on release 28 tops, framework of trip coil 26H place; The positive stop 26E restriction on the pad 28A of the resetting pad 28A lowest point movably downwards that resets.

Have a vertical clear opening 29A that reset guide post 35 is passed in the centre of the pad 28A that resets, also have a central perforation longitudinally 29 in the centre of release 28, shown in Fig. 7-1, the reset guide post 35 that is with back-moving spring 91, fast trip spring 66-A that is embedded in reset button 8 bottom surfaces can move up and down along clear opening 29A, the central perforation 29 in the middle of the pad 28A that resets, the release 28.As shown in Figure 6, the top diameter of reset guide post 35 forms step 35A greater than its underpart diameter between the upper and lower part; Back-moving spring 91 is enclosed within the top of reset guide post 35, between the middle layer bracket 3 of reset button 8 and insulation; Be with a fast trip spring 66-A in the lower part of reset guide post 35, this fast trip spring 66-A is at the step 35A of reset guide post 35 and reset between the pad 28A.This fast trip spring 66-A can make reset button 8 quickly and reliably thread off, and moving contact is separated apace with fixed contact, thereby, prolong useful life of earth leakage protective socket greatly.

Reset guide post 35 has the locked groove 36 of a depression near its place, bottom, the bottom surface of reset guide post 35 and bonnet lock hole 31 contact positions are plane 41, when reset button 8 is in trip status, the bottom surface 41 of reset guide post 35 be positioned at snap close 30 above, and be the dislocation shape with the bonnet lock hole 31 of snap close 30 end face 31A.

Have a through hole 30E who runs through its front and back at the middle part of release 28, cross release 28 middle part through hole 30E and be provided with a snap close 30 of movably making by stainless steel material, be provided with two holes on the end face 31A of snap close 30, one is mechanical dropout hole 31B, and another is a bonnet lock hole 31.When reset button 8 is in trip status, is contained in the clear opening 29A of the pad 28A that resets, release 28 centres, the bottom surface 41 of the reset guide post 35 in the central perforation 29 and the bonnet lock holes 31 of snap close 30 end face 31A and is the dislocation shape.

Between the madial wall of the lateral wall of release 28 and snap close 30, be provided with a latch spring 34.Be provided with a tripping coil 26 that is built-in with movable core 42 in the outside of snap close 30 sidewalls, tripping coil 26 built-in movable cores 42 face snap close 30.Snap close 30 can laterally move under the effect of iron core 42, thereby makes the bottom surface 41 of the reset guide post 35 under the reset button 8 penetrate or pass in the bonnet lock hole 31 of snap close 30 end faces, and reset button 8 resets or threads off (tripping operation).Be with turriform spring 42A in the end of movable core 42 steps.

As Fig. 6, Fig. 9-1～Fig. 9-3, Figure 10, shown in Figure 11, below release 28 or the next door be provided with a simulation leakage current generating K switch R-4 with reset button (RESET) 8 interlock, this simulation leakage current generating K switch R-4 is made of electric-conductor 72A, sheet metal 72.Electric-conductor 72A is installed on the circuit board 18, links to each other with the power input zero line or the live wire that pass differential differentiating transformer by lead.One end of sheet metal 72 is suspended in electric-conductor 72A top, and the other end links to each other with power input live wire or zero line by tripping coil L3, light-emitting diode V3, resistance R 5, diode V2.Shown in Fig. 9-1, Fig. 9-3, Fig. 7-1, Fig. 7-3, when reset button RESET was in trip status and reset mode, simulation leakage current generating K switch R-4 was off-state.Shown in Fig. 9-2, Fig. 7-2, when reset button RESET is pressed, simulation leakage current generating K switch R-4 closure.As shown in figure 10, the power input live wire links to each other with the power input zero line that passes differential differentiating transformer L1, L2 through diode V2, resistance R 5, light-emitting diode V3, tripping coil L3, closed simulation leakage current generating K switch R-4, produces the simulation leakage current.If earth leakage protective socket does not have end-of-life, promptly earth leakage protective socket still has creepage protection function, and then the mechanical device action that resets/trip in the earth leakage protective socket makes the reset button action.If current leakage jack life termination does not promptly have earth leakage protective and does the time spent, the mechanical device that resets/trip is failure to actuate, and reset button can't reset all the time or can't thread off under the state that has resetted/trip.

As Fig. 6, Fig. 9-1～Fig. 9-3, Figure 10, shown in Figure 11, also be provided with a circuit working K switch R-2 on the next door of release 28, this circuit working K switch R-2 is made of sheet metal 88 and sheet metal 67.One end of sheet metal 88 is welded on the circuit board 18, links to each other with power input zero line or live wire by lead, and the other end riveted joint of sheet metal 88 has a contact 68A.There is a contact 67A the unsettled top that is positioned at sheet metal 88 of one end of sheet metal 67 in its end riveted joint; The other end of sheet metal 67 is welded on the circuit board and links to each other with power input live wire or zero line by tripping coil, controllable silicon.Shown in Fig. 9-1, when reset button RESET was in trip status, circuit working K switch R-2 disconnected; whole Figure 10, leakage current detection protection circuit shown in Figure 11 are not charged, and this design can reduce energy consumption, saves energy; simultaneously, prolong the useful life of each electric elements.Shown in Fig. 9-3; when reset button 8 resets; circuit working K switch R-2 links with it, the contact 68A of circuit working K switch R-2 and 67A closure, by circuit working K switch R-2 for providing working power as Figure 10, whole leakage current detection protection circuit shown in Figure 11.

As Fig. 6, Fig. 9-1～Fig. 9-3, Figure 10, shown in Figure 11, also be provided with a display circuit operating switch KR-6 on the next door of release 28, this display circuit operating switch KR-6 is made of sheet metal 66 and sheet metal 88.Sheet metal 66 is welded on the circuit board, and by lead, resistance R 6, correctly the indicator light V5 that powers on links to each other with power input live wire or zero line, the other end is unsettled.One end of sheet metal 88 is positioned at the top of sheet metal 66, and the other end links to each other with power input zero line or live wire by lead.Shown in Fig. 9-1, Fig. 9-2, when reset button RESET be in trip status, when being pressed, display circuit operating switch KR-6 closure, circuit working K switch R-2 disconnects, the indicator light V5 that correctly powers on is bright, relay indicating light V3 does not work.Shown in Fig. 9-3, when reset button RESET was in reset mode, display circuit operating switch KR-6 disconnected, circuit working K switch R-2 closure, and the indicator light V5 that correctly powers on extinguishes, and relay indicating light V3 is bright.

As shown in Figure 6, reset pad 28A, release 28, snap close 30, with the simulation leakage current generating K switch R-4 of reset button 8 interlocks (72,72A) and circuit working K switch R-2 (88,67), display circuit operating switch KR-6 (88,66) all place in the framework of trip coil.Outside the coil of tripping coil 26, be provided with a tripping coil protective cover 41-C; Respectively be provided with a hook pin 41-B who is used to hook the hole on the circuit board 18 about its side.

Constitute the reset guide post 35 of the mechanical device that resets/trip, the simulation leakage current generating K switch R-4 (72 that is enclosed within back-moving spring 91 on the reset guide post 35 and fast trip spring 66-A, the pad 28A that resets, " T " font release 28, snap close 30, links with

reset button

8,72A), circuit working K switch R-2 (88,67), display circuit operating switch KR-6 (88,66) and tripping coil 26 be connected mutually become one can free movable integral body, they are fitted to each other, and are indispensable.

Fig. 6 is the utility model three-dimensional decomposition texture schematic diagram of mechanical device that resets/trip.In the shown in Figure 6 resetting/mechanical device that trips, be embedded in the upper and lower part diameter difference of the reset guide post 35 of reset button 8 belows, certainly, the upper and lower part diameter of reset guide post 35 also can be identical.Back-moving spring 91 is enclosed within the top of reset guide post 35, between the middle layer bracket 3 of reset button 8 and insulation; Fast trip spring 66-A is enclosed within the lower part of reset guide post 35, this fast trip spring 66-A the insulation middle layer bracket 3 and reset between the pad 28A.

Shown in Fig. 1, Fig. 6, Fig. 8-1, the utility model also is provided with the metallic test sheet 46 and the conducting strip 47 that links to each other with simulation leakage current current-limiting resistance that is used for manually producing the simulation leakage current below testing button 7.As Figure 10, shown in Figure 11, metallic test sheet 46 and conducting strip 47 constitute K switch R-5.One end of metallic test sheet 46 links to each other with live wire or the zero line of earth leakage protective socket power output end LOAD, and the other end is unsettled, thereunder is provided with a conducting strip 47 that links to each other with simulation leakage current current-limiting resistance R3; The unsettled below that is positioned at metallic test sheet 46 of one end of conducting strip 47 is arranged on plastics draw piece 99 tops, and the other end links to each other with the zero line or the live wire of power input by simulation leakage current current-limiting resistance.Shown in Fig. 8-1, push testing button 7 downwards to primary importance, make metallic test sheet 46 contact conducting with conducting strip 47, manually produce the simulation leakage current.Shown in Fig. 7-1, discharge testing button 7, metallic test sheet 46 disconnects with conducting strip 47, and the simulation leakage current disappears.

Shown in Fig. 8-1, push testing button 7 downwards to primary importance, metallic test sheet 46 is contacted with conducting strip 47 manually produce the simulation leakage current.If earth leakage protective socket does not have end-of-life, the mechanical device that then resets in the socket/trip action makes reset button dropout/tripping operation, cuts off the power supply output of earth leakage protective socket.If current leakage jack life termination does not promptly have earth leakage protective and does the time spent, the mechanical device that resets/trip is failure to actuate, and reset button can't be threaded off/be tripped, and the power output end of earth leakage protective socket still has power supply output.

For in this case, cut off the power supply output of earth leakage protective socket by force, shown in Fig. 6, Fig. 8-2, the utility model has also designed an end-of-life positive mechanical tripgear.This positive mechanical tripgear is positioned at the below of testing button 7, and it comprises the elastic steel sheet 48 and the spring 99C of plastics draw piece 99, fixed plastics draw piece.The elastic steel sheet 48 of plastics draw piece 99, fixed plastics draw piece and spring 99C are placed in the tripping coil other end skeleton 83.Spring 99C is placed between skeleton 83 low bottom-disc platforms and the plastics draw piece 99, and elastic steel sheet 48 is stuck in the groove 99B of plastics draw piece 99, and plastics draw piece 99 is fixed in the skeleton 83.Plastics draw piece 99 stretches out a hook pin 99A who has a slope near release 28 1 sides.Hook pin 99A is positioned at the machinery dropout hole 31B top of the end face 31A end of snap close 30.

Shown in Fig. 8-1, push testing button 7 downwards to primary importance, metallic test sheet 46 is contacted with conducting strip 47 manually produce the simulation leakage current.If earth leakage protective socket does not have end-of-life, the mechanical device that then resets in the socket/trip action makes reset button dropout/tripping operation, cuts off the power supply output of earth leakage protective socket.If current leakage jack life termination; promptly do not have earth leakage protective and do the time spent; the mechanical device that resets/trip is failure to actuate; reset button can't be threaded off/be tripped; when the power output end of earth leakage protective socket still has power supply output; shown in Fig. 8-2, continue to push testing button 7 to the second place; plastics draw piece 99 moves down; spring 99C is compressed; the hook pin 99A of plastics draw piece 99 is inserted in the machinery dropout hole 31B of snap close 30; along with the insertion of hook pin 99A spurs snap close 30 left, the bonnet lock hole 31 of snap close 30 end faces is alignd with reset guide post 35, the locked groove 36 of reset guide post 35 bottoms is jumped out from lockhole 31; reset button 8 dropout/tripping operations; release 28 moves down, and moving contact separates with fixed contact, and the earth leakage protective socket power output end does not have power supply output.

Discharge testing button 7, under the effect of spring 99C, plastics draw piece 99 moves up, and hook pin 99A deviates from the machinery dropout hole 31B of snap close 30 end faces, has realized the pressure tripping function.

Shown in Fig. 9-1, the utility model is welded with correctly power on indicator light V5 and relay indicating light V3 on circuit board 18, be provided with a light lead pipe 77 of vertically placing above the indicator light at two, this light lead pipe 77 passes middle layer bracket 3, and its top is positioned at the phase mean place of the indicator lamp hole 30-A on loam cake 2 surfaces.After the power line in earth leakage protective socket power input and the wall connected, the indicator light V5 that correctly powers on was bright, and when reset button resets, when earth leakage protective socket had power supply output, the indicator light V5 that correctly powers on was bright or go out, and V3 is bright for the another relay indicating light.

As Figure 10, shown in Figure 11, the utility model also comprises two display circuits, and one is the display circuit that powers on, and another is the operating state display circuit.Power on display circuit by the indicator light V5 that correctly powers on, constitute with the display circuit power switch KR-6 and the current-limiting resistance R6 of reset button interlock.Correctly power on after indicator light V5, display circuit power switch KR-6 and the current-limiting resistance R6 series connection, this display circuit one end links to each other with power input live wire or zero line, and the other end links to each other with power input zero line or live wire.

When reset button RESET was in trip status, display circuit power switch KR-6 was closure state, and the indicator light V5 that correctly powers on is bright, and the power input that shows this leakage current detection protection circuit links to each other with power supply in the wall.When reset button RESET was in reset mode, display circuit power switch KR-6 was off-state, and the indicator light V5 that correctly powers on extinguishes, and this moment, relay indicating light V3 was bright, showed this leakage current detection protection circuit work, and power supply output is arranged.

If the operator mistakenly with the power firestreak in the wall, zero line with the live wire of the power output end LOAD of leakage current detection protection circuit, when zero line links to each other; because this moment, reset button RESET was in trip status; be in off-state with main power switch KR-2-1, KR-2-2, KR-3-1, the KR-3-2 of reset button RESET interlock; so; the display circuit two ends that power on are not charged; the indicator light V5 that correctly powers on does not work; this leakage current detection protection circuit wiring error is described, checks in time whether circuit connects correct.

As Figure 10, shown in Figure 11, the operating state display circuit is made of relay indicating light V3, current-limiting resistance R5, rectifier diode V2.After relay indicating light V3, current-limiting resistance R5 and the rectifier diode V2 series connection, the one end links to each other with power input live wire or zero line; The other end through tripping coil SOL, with the simulation leakage current generating K switch R-4 of reset button interlock with pass power input zero line or the live wire of induction coil L1 and link to each other with self-excitation coil L2, simultaneously, also link to each other with power input zero line or live wire through circuit working K switch R-2 with the reset button interlock.

When reset button is in trip status, simulation leakage current generating K switch R-4, circuit working K switch R-2 all are in off-state, the operating state display circuit is in and opens circuit, relay indicating light V3 does not work, at this moment, display circuit power switch KR-6 is in closure state, and the indicator light V5 that correctly powers on is bright.

When reset button is pushed downwards, simulation leakage current generating K switch R-4 closure, the conducting of operating state display circuit, relay indicating light V3 is once glittering, and at this moment, display circuit power switch KR-6 still is in closure state, and the indicator light V5 that correctly powers on is bright.

When reset button was in reset mode, simulation leakage current generating K switch R-4 and display circuit power switch KR-6 all were in off-state, circuit working K switch R-2 closure, and the indicator light V5 that powers on does not work, and relay indicating light V3 is bright.

The utility model is by the closed or disconnection of simulation leakage current generating K switch R-4, display circuit power switch KR-6 and circuit working K switch R-2; make power on display circuit and operating state display circuit on-off; thereby; make the indicator light V5 that correctly powers on bright or do not work; relay indicating light V3 is bright or do not work the operating state of reflection leakage current detection protection circuit.That is, reset button reset preceding or reset after have at least an indicator light bright; If the installer is with the output that is connected on of the power line mistake of input, correct power-up state indicator light V5 does not work, and presses reset button and can not be reset all the time, proves false wiring, has only correct wiring, and the indicator light V5 that correctly powers on is bright, just can reset.

In a word, this earth leakage protective socket has three kinds of status display function, and first kind is the show state function that powers on, and second kind is show state function working properly, and the third is wrong reverse wiring Presentation Function.Before the reset button proper reset, the indicator light V5 that correctly powers on is bright, and after reset button resetted, relay indicating light V3 was bright; During wiring error, the indicator light V5 that correctly powers on does not work.

In specific embodiment of the utility model, correctly power on indicator light V5 and relay indicating light V3 are the indicator light of two kinds of different colours.

As Fig. 9-1～Fig. 9-3, shown in Figure 10, the utility model comprises 7 switches altogether, wherein, 4 power main power switch KR-2-1, KR-2-2, KR-3-1, KR-3-2,1 simulation leakage current generating K switch R-4,1 circuit working K switch R-2,1 display circuit power switch KR-6.

As Fig. 9-1, shown in Figure 10; when reset button is in trip status; during the output of earth leakage protective socket non-transformer; 4 power supply main power switch KR-2-1 in the earth leakage protective socket, KR-2-2, KR-3-1, KR-3-2; 1 circuit working K switch R-2 and 1 simulation leakage current generating K switch R-4 are in off-state, have only display circuit power switch KR-6 closure.

As Fig. 9-2, shown in Figure 10; when reset button is pressed; still non-transformer output of earth leakage protective socket; 4 power supply main power switch KR-2-1, KR-2-2, KR-3-1, KR-3-2 and 1 circuit working K switch R-2 in the earth leakage protective socket are in off-state, simulation leakage current generating K switch R-4 and display circuit power switch KR-6 closure.

As Fig. 9-3, shown in Figure 10; reset button resets; when earth leakage protective socket has power supply output; simulation leakage current generating K switch R-4 and display circuit power switch KR-6 in the earth leakage protective socket are in off-state, and 4 power supply main power switch KR-2-1, KR-2-2, KR-3-1, KR-3-2 and 1 circuit working K switch R-2 are in closure state.

In order to improve the useful life of earth leakage protective socket; avoid because the instantaneous pressure that thunderbolt or other reasons produce damages earth leakage protective socket; as Fig. 1; shown in Figure 6; the utility model is at earth leakage protective socket and power firestreak; zero line input wires screw 10; the 9 power supply input wires sheets 25 that link to each other; 24 with circuit that circuit board links to each other on be welded with the discharge metal sheet 25A of a pair of right angle trigonometry that is used to discharge or isoceles triangle shape respectively; 24A; the two metal sheets tip is staggered relatively; and the maintenance certain intervals, the distance between the two metal sheets top is less than half of the distance between the two metal sheets bottom.

Discharge metal sheet

25A, 24A are placed in the fixed bin 82.The advantage of this design: 1, be convenient to processing and manufacturing; 2, assembling lasting accuracy height; 3, low cost of manufacture.

When acting on earth leakage protective socket owing to the instantaneous pressure that is struck by lightning or other reasons causes; the discharge metal sheet and the air dielectric that is connected between the discharge metal sheet of right angle trigonometry shape at input zero line place of right angle trigonometry shape that is connected to input live wire place is breakdown; form atmospherical discharges; most of high pressure consumes by the discharge metal sheet; the residue sub-fraction consumes by tripping coil SOL, piezo-resistance MOV, thereby has protected earth leakage protective socket not broken by high pressure.

In specific embodiment of the utility model, described piezo-resistance MOV selects surge inhibition type piezo-resistance for use, makes it can also play the effect that prevents electrophoresis.

For preventing to touch energized conductor in the power supply output plughole of earth leakage protective socket surface because of false touch, and the generation of the electric shock casualty accident that causes, as shown in Figure 1, the utility model also is provided with power supply output plughole safety shield device above the power supply output plughole.This power supply output plughole safety shield device is combined by left slider 201, right slide block 202 and spring 203.When attaching plug is not inserted in the earth leakage protective socket; left slider 201 and right slide block 202 cover power firestreak, zero line output conduction sleeve; in the time of in power supply is inserted into earth leakage protective socket; under the effect of the blade on the attaching plug; left slider 201, right slide block 202 move power firestreak, the zero line output conduction sleeve that exposes its below; attaching plug is inserted in power firestreak, the zero line output conduction sleeve, and power supply output is arranged.When attaching plug was extracted in earth leakage protective socket, under the effect of spring 203, left slider 201 and right slide block 202 returned to initial position, power firestreak, the zero line of its below are exported the conduction sleeve cover.

The above is specific embodiment of the utility model and the know-why used, and is any based on the equivalent transformation on the technical solutions of the utility model basis, all belongs within the utility model protection range.

Claims

1. new type electric leakageproof socket, it comprises housing, be installed in reset button, testing button on the housing, being installed in the earth leakage protective socket realized in the housing has/and the circuit board of non-transformer output and at least one pair of be placed on the output conductive metal sheet (13,14) in the described housing, be provided with at least one pair of elasticity power firestreak, zero line input sheet metal (51,50), at least one pair of power firestreak, zero line output (81,80) and the mechanical device that resets/trip on this circuit board;

One end of power firestreak, zero line input sheet metal (51,50) is bent downwardly 90 degree, passing differential differentiating transformer (19) is welded on the circuit board (18), link to each other with power firestreak, zero line input wires screw (10,9), link to each other with power firestreak, zero line in the wall by lead; The other end of power firestreak input sheet metal (51) is provided with moving contact (55); The other end of zero-power line input sheet metal (50) is provided with moving contact (54);

On power firestreak output (81), rivet/be welded with a fixed contact (16); On zero-power line output (80), rivet/be welded with fixed contact (15);

Fixed contact (16,15) on power firestreak, the zero line output (81,80) is imported the corresponding up and down contact of moving contact (55,54) on the sheet metal (51,50) with power firestreak, zero line or is disconnected, and constitutes one group of two mains switch; It is characterized in that:

The arm top is carried in release (28) left and right sides that described elasticity power firestreak, zero line input sheet metal (51,50) lay respectively in the described resetting/mechanical device that trips, and along with release moves up and down;

In described housing, also be provided with pair of metal sheet (23A, 22A);

Described pair of metal sheet (23A, 22A) is separately fixed at outward extending the carrying on the arm in release (28) left and right sides in the described resetting/mechanical device that trips, and along with release moves up and down;

One end of one of them described sheet metal (23A) is provided with moving contact (23), and the other end links to each other with power firestreak output (81) by bus; Top in this moving contact (23), a described output conductive metal sheet (14) that is installed in described housing middle layer bracket (3) one sides is provided with a fixed contact (53);

One end of another described sheet metal (22A) is provided with moving contact (22), and the other end links to each other with zero-power line output (80) by bus; Top in this moving contact (22), described another output conductive metal sheet (13) that is installed in described housing middle layer bracket (3) opposite side is provided with a fixed contact (52);

The corresponding up and down contact of fixed contact (53,52) on moving contact (23,22) on the described sheet metal (23A, 22A) and the described output conductive metal sheet (14,13) or disconnect constitutes two mains switches of another group.

2. new type electric leakageproof socket according to claim 1 is characterized in that: this earth leakage protective socket also is provided with an end-of-life positive mechanical tripgear;

This positive mechanical tripgear is positioned at the below of described testing button (7), and it comprises the elastic steel sheet (48) and the spring (99C) of plastics draw piece (99), fixed plastics draw piece; The elastic steel sheet (48) of plastics draw piece (99), fixed plastics draw piece and spring (99C) are placed in the framework of trip coil (83);

Between described spring (99C) was placed under framework of trip coil (83) and the described plastics draw piece (99), elastic steel sheet (48) was stuck in the groove (99B) on the plastics draw piece (99), and plastics draw piece (99) is fixed in the framework of trip coil (83);

Described plastics draw piece (99) stretches out a hook pin (99A) that has a slope near release (28) one sides; In the below of hook pin (99A), have a mechanical dropout hole (31B) on the end face of earth leakage protective socket inner lock buckle (30);

Push testing button (7) downwards to primary importance, make the metallic test sheet (46) in the earth leakage protective socket contact manually generation simulation leakage current with the conducting strip (47) that links to each other with simulation leakage current current-limiting resistance; If current leakage jack life termination, reset button can't be threaded off/be tripped; Continue to push testing button (7) to the second place; Plastics draw piece (99) is moved down; spring (99C) is compressed; elastic steel sheet (48) also is compressed distortion; the hook pin (99A) of plastics draw piece (99) inserts in the machinery dropout hole (31B) of snap close (30) end face; along with the insertion of hook pin (99A) spurs snap close (30) left; the bonnet lock hole (31) of snap close (30) end face is alignd with reset guide post (35); the locked groove (36) of reset guide post (35) bottom is jumped out separation from lockhole (31); reset button (8) dropout/tripping operation; release (28) moves down; moving contact separates with fixed contact, and the earth leakage protective socket power output end does not have power supply output.

3. new type electric leakageproof socket according to claim 2, it is characterized in that: on earth leakage protective socket and power input circuit board that power firestreak, zero line input wires screw (10,9) link to each other, be welded with respectively a right angle triangle or isoceles triangle shape, be installed in point discharge sheet metal in the fixed bin, that be used to discharge, the two metal sheets tip is staggered relatively, and the maintenance certain intervals, the most advanced and sophisticated head of two metal sheets exposes highly the same; Distance between the two metal sheets top is less than half of the distance between the two metal sheets bottom.

4. new type electric leakageproof socket according to claim 3 is characterized in that: this earth leakage protective socket also comprises at least one group of power supply output plughole safety shield device;

This power supply output plughole safety shield device is arranged on this earth leakage protective socket power supply output plughole top; It is combined by left slider (201), right slide block (202) and spring (203);

Described left slider (201), right slide block (202) are arranged in a crossed manner, are placed on power supply output plughole top;

Described spring (203) is arranged between described left slider (201) that intersect to place, the right slide block (202);

When attaching plug is not inserted in the earth leakage protective socket, described left slider (201) and right slide block (202) cover power firestreak, zero line output conduction sleeve, in the time of in power supply is inserted into earth leakage protective socket, under the effect of the blade on the attaching plug, left slider (201), right slide block (202) move power firestreak, the zero line output conduction sleeve that exposes its below; When attaching plug was extracted in earth leakage protective socket, under the effect of spring (203), left slider (201) and right slide block (202) returned to initial position, power firestreak, the zero line of its below are exported the conduction sleeve cover.

5. new type electric leakageproof socket according to claim 4 is characterized in that: this earth leakage protective socket also includes a simulation leakage current generating switch (KR-4) that links with described reset button;

Described simulation electric leakage produces below or the next door that switch (KR-4) is arranged on the release (28) in the described resetting/mechanical device that trips; This simulation leakage current generating switch (KR-4) is made of electric-conductor (72A) and elastic sheet metal (72); Wherein,

Described electric-conductor (72A) is installed on the circuit board (18), links to each other with the power input zero line or the live wire that pass differential differentiating transformer by lead;

One end of described elastic sheet metal (72) is suspended in described electric-conductor (72A) top, and the other end links to each other with power input live wire or zero line by tripping coil (L3), relay indicating light (V3), resistance (R5), diode (V2);

When reset button was in trip status and reset mode, described simulation leakage current generating switch (KR-4) was off-state; When reset button was pressed, simulation leakage current generating switch (KR-4) closure produced the simulation leakage current, disconnects immediately immediately.

6. according to claim 4 or 5 described new type electric leakageproof sockets, it is characterized in that: this earth leakage protective socket also includes a circuit working switch (KR-2) that links with described reset button; This circuit working switch (KR-2) is made of two sheet metals (88) and sheet metal (67); Wherein,

One end of a sheet metal (88) is riveted on the circuit board (18), links to each other with power input zero line or live wire by lead, and the other end welding or the riveted joint of sheet metal (88) have a contact (68A);

There is a contact (67A) the unsettled top that is positioned at sheet metal (88) of one end of another sheet metal (67) in its end riveted joint; The other end of sheet metal (67) is welded on the circuit board and links to each other with power input live wire or zero line by tripping coil, controllable silicon;

When reset button was in trip status, circuit working switch (KR-2) disconnected, and whole leakage current detection protection circuit is not charged; After reset button resetted, circuit working switch (KR-2) closure provided working power by circuit working switch (KR-2) for whole leakage current detection protection circuit.

7. new type electric leakageproof socket according to claim 6, it is characterized in that: this earth leakage protective socket also includes a display circuit operating switch (KR-6) that links with described reset button, and this display circuit operating switch (KR-6) is made of two sheet metals (66) and (88); Wherein,

A sheet metal (66) is welded on the circuit board, by lead, resistance (R6), correctly the indicator light (V5) that powers on links to each other the other end and another sheet metal (88) conducting with power input live wire or zero line;

One end of another sheet metal (88) is positioned at the top of sheet metal (66), and the other end links to each other with power input zero line or live wire by lead;

When reset button be in trip status, when being pressed, display circuit operating switch (KR-6) closure, circuit working switch (KR-2) disconnects, (V5) is bright for the indicator light that correctly powers on, relay indicating light (V3) does not work; When reset button was in reset mode, display circuit operating switch (KR-6) disconnected, circuit working switch (KR-2) closure, and the indicator light (V5) that correctly powers on extinguishes, and (V3) is bright for relay indicating light.

8. new type electric leakageproof socket according to claim 7 is characterized in that: be provided with two indicator lights in this earth leakage protective socket, one is the indicator light (V5) that correctly powers on, and another is relay indicating light (V3); Described reset button reset preceding and reset after have at least an indicator light bright.

9. new type electric leakageproof socket according to claim 8, it is characterized in that: this earth leakage protective socket has three kinds of status display function, first kind is the show state function that powers on, and second kind is show state function working properly, and the third is wrong reverse wiring Presentation Function;

Before the reset button proper reset, (V5) is bright for the indicator light that correctly powers on, and after reset button resetted, (V3) was bright for relay indicating light; When reset button was prevented from resetting, the indicator light (V5) that correctly powers on did not work, expression wiring error.

10. according to claim 5 or 7 described new type electric leakageproof sockets, it is characterized in that: this earth leakage protective socket has four kinds of status switches that link with reset button, first kind of display circuit power switch (KR-6) that powers on, second kind of simulation electric leakage produces switch (KR-4), the third circuit working switch (KR-2), the 4th kind of power supply main power switch (KR-2-1, KR-2-2, KR-3-1, KR-3-2);

11. new type electric leakageproof socket according to claim 6, it is characterized in that: this earth leakage protective socket has four kinds of status switches that link with reset button, first kind of display circuit power switch (KR-6) that powers on, second kind of simulation electric leakage produces switch (KR-4), the third circuit working switch (KR-2), the 4th kind of power supply main power switch (KR-2-1, KR-2-2, KR-3-1, KR-3-2);

12. new type electric leakageproof socket according to claim 1, it is characterized in that: release (28) is contained in framework of trip coil (26Z) groove in this earth leakage protective socket, and the described pad that resets (28A) is placed on release (28) top framework of trip coil (26H) and locates; Postioning abutment (26E) on the described pad that resets (28A) restriction pad (28A) lowest point movably downwards that resets;

Described resetting/the mechanical device that trips comprises a reset guide post (35) and a snap close (30), has a bonnet lock hole (31) at the end face of snap close (30), and the bottom surface of this reset guide post (35) and bonnet lock hole (31) contact position are plane (41).

13. new type electric leakageproof socket according to claim 5; it is characterized in that: this new type electric leakageproof socket power input live wire is through rectifier diode (V2), resistance (R5), light-emitting diode (V3), tripping coil, closed described simulation leakage current generating switch (KR-4) and pass differential differentiating transformer (L1; L2) power input zero line links to each other, and produces simulation leakage current feature.

14. new type electric leakageproof socket according to claim 9, it is characterized in that: this new type electric leakageproof socket comprises the display circuit that powers on, this display circuit that powers on is made of the indicator light that correctly powers on (V5), display circuit power switch (KR-6) and current-limiting resistance (R6) series connection, one end of this display circuit that powers on links to each other with the input power firestreak, and the other end links to each other with the input zero-power line; Described display circuit power switch (KR-6) closure, the indicator light (V5) that correctly powers on lights; Described display circuit power switch (KR-6) disconnects, and the indicator light that correctly powers on extinguishes.