CN212434520U

CN212434520U - Leakage protector capable of forced power-off

Info

Publication number: CN212434520U
Application number: CN202020652874.6U
Authority: CN
Inventors: 钱加灿
Original assignee: Yuyao Jiarong Electronic Appliance Co Ltd
Current assignee: Yuyao Jiarong Electronic Appliance Co Ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-01-29
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a can force earth-leakage protector of outage relates to earth-leakage protector technical field, include: the leakage protection device comprises a shell, and a pin base, a circuit board, a leakage protection device and pins which are arranged in the shell, wherein the leakage protection device comprises a reset key, a disconnection key, a reset stop block, a pressing guide block, an electromagnetic driving device and an elastic sheet; the electromagnetic driving device is arranged on the other side of the top of the base pin, the electromagnetic device is used for driving the driving iron core to move so as to drive the buckling piece to move, and the reset stop block is provided with a buckling groove for the buckling piece to insert; the reset key is pressed down to enable the reset stop block to drive the elastic sheet to move down to be powered off, and the reset key is reset under the action of the reset spring; the disconnection button cover is established in compressing tightly the guide block, pushes down the disconnection button and can make the trip arm promote the buckle piece that inserts the buckle groove to make the button that resets and the dog dropout that resets, the utility model discloses can force earth-leakage protector in this embodiment to carry out the outage, and the reliability is high.

Description

Leakage protector capable of forced power-off

Technical Field

The utility model belongs to the technical field of earth-leakage protector technique and specifically relates to an earth-leakage protector that can force the outage.

Background

Along with the continuous progress of science and technology and society in modern society, the living standard of people is continuously improved, intelligent household appliances gradually enter the lives of people, the chances of people and electric contact are more and more, the condition that electric shock casualties occur due to the fact that electric equipment breaks down is caused, and in order to achieve personal safety and equipment property safety, the leakage protector serving as an effective electric safety technical device is widely used and plays a role in lifting weight. However, the tripping mechanism of the existing leakage protector is not reasonable in structural design, so that the leakage protector has the defects of complex structure and unstable performance, for example, when an electronic part is short-circuited or fails, an electromagnetic coil is broken and opened, or when a mains supply line for providing a working power supply for the leakage protector fails, the leakage protector cannot be tripped or disconnected from a power supply, and therefore, when necessary, the leakage protector must be required to ensure tripping and power off.

The core of the forced reset leakage protector disclosed in the chinese utility model patent CN2802712Y overcomes the defects and deficiencies that the existing product only has a test button, does not have a forced reset button, and the output end is electrified after electrification, thus not meeting the technical requirements of european union and having potential safety hazard for children. The circuit board comprises a shell, a circuit board, a leakage inductance device, a power-off executing device, a pair of input conducting plates and a pair of output conducting plates, wherein a forced resetting device for closing the input and output conducting plates is arranged in the inner cavity of the shell; the utility model discloses a leakage protector can not take place to force the outage under the condition that the short circuit became invalid at electronic component.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an above-mentioned defect to prior art existence especially provides a can force earth-leakage protector of outage, has solved the problem that the structure is complicated, the performance is unstable that current earth-leakage protector exists, has still solved and has taken place short circuit inefficacy or the problem that can't force the earth-leakage protection device dropout disconnection and be connected of power under the circumstances such as solenoid broken string open circuit at electronic component.

In order to solve the technical problem, the utility model provides a can force earth-leakage protector of outage, include: the leakage protection device comprises a shell, and a pin base, a circuit board, a leakage protection device and pins which are arranged in the shell, wherein the leakage protection device comprises a reset key, a disconnection key, a reset stop block, a pressing guide block, an electromagnetic driving device and an elastic sheet; the pins and the elastic sheets are embedded on the pin bases;

the pressing guide block is clamped and arranged on one side of the top of the pin base, and a pressing end used for pressing and fixing the pin on the pin base is arranged on the pressing guide block; the reset stop block is movably arranged in the middle of the top of the base of the pin up and down, and is provided with an extension end which can be contacted with the elastic sheet, and the contact and separation of the elastic sheet and the pin can be controlled through the extension end; the electromagnetic driving device is arranged on the other side of the top of the base pin and comprises an electromagnetic device, a driving iron core and a clamping piece, the driving iron core is arranged in the electromagnetic device and movably clamped with the clamping piece, the electromagnetic device is used for driving the driving iron core to move so as to drive the clamping piece to move, and a clamping groove for the clamping piece to insert is formed in the reset stop block;

the reset key penetrates through the circuit board and is inserted into the reset block, the reset key and the reset block can be clamped and connected through the clamping piece, the reset block can drive the elastic piece to move downwards and be separated from the pin to be powered off by pressing down the reset key, and the reset key can drive the elastic piece to move upwards and be contacted with the pin to be powered on by resetting the reset key upwards under the action of the reset spring; the disconnection button cover is established in compressing tightly the guide block, still be equipped with the trip arm that stretches out on the disconnection button, the trip arm is corresponding with the buckle groove, it can make the trip arm promote the buckle piece that inserts the buckle groove to press down the disconnection button, thereby make the button that resets and the dog dropout, adopt above-mentioned technical scheme, can force the earth-leakage protector with this embodiment to carry out the outage, and the reliability is high, can avoid taking place the short circuit inefficacy at electronic component, solenoid broken string open circuit or when the commercial power supply line that provides working power supply for earth-leakage protection device breaks down these circumstances, earth-leakage protection device can not drop off the disconnection and is connected with the power, play the effect of protection personnel and property safety.

And an ejection spring in a compressed state is arranged between the bottom of the disconnection key and the pressing guide block and is used for ejecting the disconnection key upwards and abutting against the shell, so that the disconnection key can reset after completing disconnection.

Wherein, the top of the base of inserting foot is provided with a sliding groove which can lead the reset stop block to be inserted and installed in the base of inserting foot from top to bottom, and the reset stop block can move up and down relative to the sliding groove.

The pins comprise a zero line pin, a live wire pin and a ground wire pin, the elastic pieces comprise a zero line elastic piece and a live wire elastic piece, the zero line pin corresponds to the zero line elastic piece in position, the live wire pin corresponds to the live wire elastic piece in position, and the ground wire pin is directly communicated with the circuit board; the two extending ends are located on two sides of the reset stop block and arranged on the lower portions of the zero line elastic piece and the live line elastic piece, the zero line elastic piece and the live line elastic piece can automatically move downwards under the action of self elasticity, and the technical scheme is applied to the two-pole power failure and leakage protector.

The pins comprise a zero line pin, a live line pin and a ground wire pin, the elastic pieces comprise a zero line elastic piece, a live line elastic piece and a ground wire elastic piece, the zero line pin corresponds to the zero line elastic piece in position, the live line pin corresponds to the live line elastic piece in position, and the ground wire pin corresponds to the ground wire elastic piece in position; the two extending ends are positioned at two sides of the reset stop block and are arranged at the lower parts of the zero line elastic sheet and the live line elastic sheet, and the zero line elastic sheet and the live line elastic sheet can automatically move downwards under the action of self elasticity; the third extending end is positioned at the bottom of the reset stop block and arranged at the top of the ground wire elastic sheet and used for controlling the ground wire elastic sheet to move downwards, and the ground wire elastic sheet can automatically move upwards under the action of self elasticity.

The leakage protection device also comprises a test key, wherein the test key is positioned between the circuit board and the shell; the shell is provided with through holes correspondingly matched with the reset key, the disconnection key and the test key; waterproof spacers are arranged between the reset key, the disconnection key and the test key and between the test key and the shell; be equipped with waterproof shock insulator between participate in base and the casing, improved water-proof effects greatly.

Wherein, the trip arm bottom is equipped with wedge slider, and when earth-leakage protector under the on-state, the buckle piece inserts the buckle inslot and will reset the button and fix with the dog joint that resets, and wedge slider moves down and can push away the buckle piece dropout with buckle piece butt, adopts above-mentioned technical scheme, can make to force the dropout action more reliable.

The utility model provides a can force earth-leakage protector of outage, include: the leakage protection device comprises a shell, and a pin base, a circuit board, a leakage protection device and pins which are arranged in the shell, wherein the leakage protection device comprises a reset key, a disconnection key, a reset stop block, a pressing guide block, an electromagnetic driving device and a brush line connecting terminal; the pins and the brush line wiring terminals are embedded on the pin base;

the pressing guide block is clamped and arranged on one side of the top of the pin base, and a pressing end used for pressing and fixing the pin on the pin base is arranged on the pressing guide block; the reset stop block is movably arranged in the middle of the top of the base of the pin up and down, two extension ends capable of fixing the brush wire wiring terminal are arranged on the reset stop block, and the contact and separation of the brush wire wiring terminal and the pin can be controlled through the extension ends; the electromagnetic driving device is arranged on the other side of the top of the base pin and comprises an electromagnetic device, a driving iron core and a clamping piece, the driving iron core is arranged in the electromagnetic device and movably clamped with the clamping piece, the electromagnetic device is used for driving the driving iron core to move so as to drive the clamping piece to move, and a clamping groove for the clamping piece to insert is formed in the reset stop block;

the reset key penetrates through the circuit board and is inserted into the reset block, the reset key and the reset block can be clamped and connected through the clamping piece, the reset block can drive the elastic piece to move downwards and be separated from the pin to be powered off by pressing down the reset key, and the reset key can drive the brush wire connecting terminal to move upwards and be contacted with the pin to be powered on by moving upwards by resetting the reset key under the action of the reset spring;

the disconnection key is sleeved in the compression guide block, a tripping arm extending out is further arranged on the disconnection key, the tripping arm corresponds to the buckle groove, the disconnection key is pressed downwards, the tripping arm can push the buckle sheet inserted into the buckle groove, and therefore the reset key and the reset stop block are tripped.

The electric brush wire connecting terminal comprises a first fixed end and a second fixed end, the first fixed end is fixed to the extending end, the second fixed end is clamped and fixed to the pin base, and the first fixed end and the second fixed end are connected through an electric brush wire.

The base pin comprises a zero line base pin, a live wire base pin and a ground wire base pin, the brush wire connecting terminal comprises a zero line connecting terminal and a live wire connecting terminal, the position of the zero line base pin corresponds to that of the zero line connecting terminal, the position of the live wire base pin corresponds to that of the live wire connecting terminal, and the ground wire base pin is directly communicated with the circuit board.

Drawings

Fig. 1 is an exploded view of an embodiment 1 of a leakage protector capable of forced power off according to the present invention;

FIG. 2 is an exploded view of a part of the structure of the leakage protector of the present invention;

FIG. 3 is a view of the base of the pin of the present invention;

fig. 4 is a perspective view of the leakage protector capable of forcibly cutting off the power supply of the present invention;

fig. 5 is an exploded view of an embodiment 2 of a leakage protector capable of forced power off according to the present invention;

FIG. 6 is a structural diagram of the disconnect button of the present invention;

fig. 7 is a structural diagram 1 of embodiment 3 of the present invention;

fig. 8 is a structural diagram 2 of embodiment 3 of the present invention;

in the figure: 1 is a shell; 2 is a pin base; 3 is a circuit board; 4 is a leakage protection device; 5 is a zero line pin; 6 is a live wire pin; 7 is a ground wire pin; 8 is a pin; 9 is a spring plate; 10 is a reset key; 11 is a disconnection button; 12 is a reset stop block; 13 is a pressing guide block; 14 is an electromagnetic driving device; 15 is a zero line spring plate; 16 is a live wire shrapnel; 17 is a ground wire shrapnel; 18 is a test key; 19 is an electrical connection contact; 20 is a bayonet; 21 is a return spring; 22 is an electromagnetic device; 23 is a driving iron core; 24 is a buckling piece; 25 is a trip arm; 26 is a fastening groove; 27 is a push-out spring; 28 is a sliding groove; 29 is a waterproof spacer; 30 is a wedge-shaped sliding block; 31 is a pressing end; 32 is an extension end; 33 is a brush wire terminal; 34 is a first fixed end; and 35 is a second fixed end.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

the utility model discloses can force earth-leakage protector of outage, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, include: the circuit board comprises a shell 1, a pin base 2, a circuit board 3, a leakage protection device 4 and a pin 8, wherein the pin base 2, the circuit board 3, the leakage protection device 4 and the pin 8 are arranged in the shell 1, and the leakage protection device 4 comprises a reset key 10, a disconnection key 11, a reset stop block 12, a pressing guide block 13, an electromagnetic driving device 14 and an elastic sheet 9; the pins 8 and the elastic sheets 9 are embedded on the pin base 2;

as shown in fig. 1 and 2, the pressing guide block 13 is clamped and arranged at one side of the top of the pin base 2, the pressing guide block 13 is positioned and fixed through a clamping groove correspondingly arranged on the pin base 2, and a pressing end 31 for pressing and fixing the pin 8 on the pin base 2 is arranged on the pressing guide block 13; the reset stop 12 can be movably arranged in the middle of the top of the pin base 2 up and down, the reset stop 12 is provided with an extension end 32 which can be contacted with the elastic sheet 9, and the contact and separation of the elastic sheet 9 and the pin 8 can be controlled by the extension end 32; the electromagnetic driving device 14 is arranged on the other side of the top of the pin base 2, the electromagnetic driving device 14 comprises an electromagnetic device 22, a driving iron core 23 and a clamping piece 24, the driving iron core 23 is arranged in the electromagnetic device 22, the driving iron core 23 is horizontally arranged between the reset stop 12 and the electromagnetic driving device 14, the driving iron core 23 is connected with the clamping piece 24 in a clamping manner capable of moving up and down, specifically, the clamping piece 24 is a metal piece, two ends of which are provided with U-shaped openings and are bent, one vertical U-shaped opening is clamped with the driving iron core 23, the other horizontal U-shaped opening can be inserted into the clamping groove 26, the electromagnetic device 22 is used for driving the driving iron core 23 to move so as to drive the clamping piece 24 to move, and the reset stop 12 is provided with the clamping groove 26 for the clamping piece 24 to;

the reset key 10 is inserted into the reset stop 12 through the circuit board 3 and the reset key 10 is clamped with the reset stop 12 through the clamping piece 24, specifically, a bayonet 20 clamped with the clamping piece 24 is arranged at one end of the reset key 10 inserted into the reset stop 12, the clamping piece 24 can be inserted into the clamping groove 26 under the action of a spring or an electromagnetic device 22 and clamped with the bayonet 20 on the reset key 10, so that the reset key 10 and the reset stop 12 are fixed together to realize the upper clamping, in the upper clamping state, the reset key 10 is pressed down to enable the reset stop 12 to drive the elastic sheet 9 to move downwards, or the elastic sheet 9 moves downwards under the action of self elasticity to be separated from the pin 8 to cut off the power, the reset key 10 is reset upwards under the action of the reset spring 21 to enable the reset stop 12 to drive the elastic sheet 9 to move upwards, so that the elastic sheet 9 is contacted with the pin 8 to be powered, wherein the reset spring 21 is sleeved on the reset key 10, and two ends of the reset spring 21 are respectively abutted against the circuit board 3 and the reset key 10;

the disconnection key 11 is sleeved in the pressing guide block 13 and can move up and down in the pressing guide block 13, an ejection spring 27 in a compressed state is further arranged between the bottom of the disconnection key 11 and the pressing guide block 13, the ejection spring 27 is used for ejecting the disconnection key 11 upwards and abutting against the shell 1, a side part of the disconnection key 11 is further provided with a tripping arm 25 extending out, the tripping arm 25 corresponds to the buckling groove 26, and the tripping arm 25 can push the buckling piece 24 inserted into the buckling groove 26 by pressing down the disconnection key 11, so that the reset key 10 is tripped from the reset stop block 12; further, a wedge-shaped sliding block 30 is arranged at the bottom of the trip arm 25, when the earth leakage protector is in a switch-on state, the buckling piece 24 is inserted into the buckling groove 26 to clamp and fix the reset key 10 and the reset stop block 12, in the downward moving process of the wedge-shaped sliding block 30, the inclined surface part of the wedge-shaped sliding block 30 is always abutted against the buckling piece 24, and along with the continuous downward movement of the wedge-shaped sliding block 30, the wedge-shaped sliding block 30 can push the buckling piece 24 to move in the horizontal direction and realize tripping; through the technical scheme, the leakage protector in the embodiment can be forced to be powered off, the reliability is extremely high, and the situation that when electronic parts are short-circuited and invalid, an electromagnetic coil is broken and is opened or a mains supply line which provides a working power supply for the leakage protector fails, the leakage protector cannot be tripped and disconnected from the power supply, so that the safety of personnel and property is protected.

As shown in fig. 2, the top of the prong base 2 is provided with a sliding groove 28 for inserting the reset stop 12 into the prong base 2 from the top down, the reset stop 12 can move up and down relative to the sliding groove 28, and the protruding ends 32 at both sides of the reset stop 12 can be movably engaged in the sliding groove 28 up and down.

As shown in fig. 3, the pins 8 include a neutral pin 5, a live pin 6 and a ground pin 7, the elastic pieces 9 include a neutral elastic piece 15 and a live elastic piece 16, the neutral pin 5 corresponds to the neutral elastic piece 15, the live pin 6 corresponds to the live elastic piece 16, and the ground pin 7 is directly connected to the circuit board 3; the two extending ends 32 are arranged at two sides of the reset stop 12 and are arranged at the lower parts of the zero line elastic sheet 15 and the live line elastic sheet 16, the zero line elastic sheet 15 and the live line elastic sheet 16 can automatically move downwards under the action of self elasticity, and the pins 8 and the elastic sheets 9 are respectively provided with corresponding electric connection contacts 19 which can be used for ensuring the stability and reliability of electric connection.

In the leakage protector of the present embodiment, the leakage protector 4 further includes a test key 18, and the test key 18 is located between the circuit board 3 and the housing 1; the shell 1 is provided with through holes correspondingly matched with the reset key 10, the disconnection key 11 and the test key 18; waterproof spacers 29 are arranged between the reset key 10, the disconnection key 11 and the test key 18 and the shell 1; the waterproof spacer 29 is arranged between the pin base 2 and the shell 1, so that the waterproof effect is greatly improved.

Example 2:

as shown in fig. 5, compared to embodiment 1, in this embodiment, the pin 8 includes a null pin 5, a live pin 6, and a ground pin 7, and the elastic piece 9 includes a null spring piece 15, a live spring piece 16, and a ground spring piece 17, where the null pin 5 corresponds to the null spring piece 15, the live pin 6 corresponds to the live spring piece 16, and the ground pin 7 corresponds to the ground spring piece 17; three extending ends 32 are arranged, two extending ends 32 are positioned at two sides of the reset stop 12 and are arranged at the lower parts of the zero line elastic sheet 15 and the live line elastic sheet 16, and the zero line elastic sheet 15 and the live line elastic sheet 16 can automatically move downwards under the action of self elasticity; the third extending end 32 is located at the bottom of the reset stopper 12 and is arranged at the top of the ground wire spring 17 for controlling the ground wire spring 17 to move downwards, the ground wire spring 17 can automatically move upwards under the action of the elastic force of the ground wire spring, and the pins 8 and the spring 9 are provided with corresponding electric connection contacts 19 for ensuring the stability and reliability of the electric connection.

Example 3:

as shown in fig. 7 and 8, compared to embodiment 1, in this embodiment, in order to make the earth-leakage protector of this embodiment adapt to the high-power situation, the elastic sheet 9 in embodiment 1 is replaced by the brush wire connection terminal 33 in this embodiment, specifically, the earth-leakage protector capable of forcibly powering off includes: the circuit board comprises a shell 1, a pin base 2, a circuit board 3, a leakage protection device 4 and a pin 8, wherein the pin base 2, the circuit board 3, the leakage protection device 4 and the pin 8 are arranged in the shell 1, and the leakage protection device 4 comprises a reset key 10, a disconnection key 11, a reset stop block 12, a pressing guide block 13, an electromagnetic driving device 14 and a brush wire connecting terminal 33; the pin 8 and the brush wire connecting terminal 33 are embedded on the pin base 2;

the pressing guide block 13 is clamped and arranged on one side of the top of the pin base 2, and a pressing end 31 for pressing and fixing the pin 8 on the pin base 2 is arranged on the pressing guide block 13; the reset block 12 is movably arranged in the middle of the top of the pin base 2 up and down, two extension ends 32 capable of fixing the brush wire connecting terminal 33 are arranged on the reset block 12, and the contact and separation of the brush wire connecting terminal 33 and the pin 8 can be controlled through the extension ends 32; the electromagnetic driving device 14 is arranged on the other side of the top of the pin base 2, the electromagnetic driving device 14 comprises an electromagnetic device 22, a driving iron core 23 and a clamping piece 24, the driving iron core 23 is arranged in the electromagnetic device 22, the driving iron core 23 is movably clamped with the clamping piece 24, the electromagnetic device 22 is used for driving the driving iron core 23 to move so as to drive the clamping piece 24 to move, and a clamping groove 26 for the clamping piece 24 to insert is arranged on the reset stop 12; the reset key 10 penetrates through the circuit board 3 and is inserted into the reset stop block 12, the reset key 10 and the reset stop block 12 can be clamped through the clamping piece 24, the reset key 10 can be pressed down to enable the reset stop block 12 to drive the elastic piece 9 to move down and be separated from the pin 8 to cut off the power, the reset key 10 can be reset and moved up under the action of the reset spring 21 to enable the reset stop block 12 to drive the brush wire connecting terminal 33 to move up and be in contact with the pin 8 to be electrified; the breaking key 11 is sleeved in the pressing guide block 13, the breaking key 11 is further provided with a tripping arm 25 extending out, the tripping arm 25 corresponds to the buckle groove 26, and pressing down the breaking key 11 can enable the tripping arm 25 to push the buckle sheet 24 inserted into the buckle groove 26, so that the reset key 10 and the reset stop block 12 are tripped, and the specific working process is the same as that of the embodiment 1.

As shown in fig. 7, the brush wire terminal 33 includes a first fixing end 34 and a second fixing end 35, the first fixing end 34 is fixed on the protruding end 32, the second fixing end 35 is fixed on the pin base 2 in a snap-fit manner, and the first fixing end 34 and the second fixing end 35 are connected by a brush wire, which is not shown in the figure, and the earth leakage protector of the present embodiment can be adapted to a high-power environment by adopting a design of the brush wire.

The pin 8 comprises a zero wire pin 5, a live wire pin 6 and a ground wire pin 7, the brush wire connecting terminal 33 comprises a zero wire connecting terminal and a live wire connecting terminal, the zero wire pin 5 corresponds to the zero wire connecting terminal, the live wire pin 6 corresponds to the live wire connecting terminal, and the ground wire pin 7 is directly communicated with the circuit board 3.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A forced power-off earth-leakage protector, characterized in that it comprises: the leakage protection device comprises a shell (1), and a pin base (2), a circuit board (3), a leakage protection device (4) and a pin (8) which are arranged in the shell (1), wherein the leakage protection device (4) comprises a reset key (10), a disconnection key (11), a reset stop block (12), a pressing guide block (13), an electromagnetic driving device (14) and an elastic sheet (9); the pins (8) and the elastic sheets (9) are embedded on the pin base (2);

the pressing guide block (13) is clamped and arranged on one side of the top of the pin base (2), and a pressing end (31) used for pressing and fixing the pin (8) on the pin base (2) is arranged on the pressing guide block (13); the reset stop block (12) is movably arranged in the middle of the top of the pin base (2) up and down, an extension end (32) which can be in contact with the elastic sheet (9) is arranged on the reset stop block (12), and the contact and separation of the elastic sheet (9) and the pin (8) can be controlled through the extension end (32); the electromagnetic driving device (14) is arranged on the other side of the top of the pin base (2), the electromagnetic driving device (14) comprises an electromagnetic device (22), a driving iron core (23) and a clamping piece (24), the driving iron core (23) is arranged in the electromagnetic device (22), the driving iron core (23) is movably clamped with the clamping piece (24), the electromagnetic device (22) is used for driving the driving iron core (23) to move so as to drive the clamping piece (24) to move, and a clamping groove (26) for the clamping piece (24) to insert is formed in the reset stop block (12);

the reset key (10) penetrates through the circuit board (3) and is inserted into the reset stop block (12), the reset key (10) and the reset stop block (12) can be clamped through the clamping piece (24), the reset stop block (12) can drive the elastic sheet (9) to move downwards and is separated from the pin (8) to be powered off by pressing down the reset key (10), and the reset key (10) can drive the elastic sheet (9) to move upwards and is contacted with the pin (8) to be powered on by the reset stop block (12) to move upwards under the action of the reset spring (21);

the breaking button (11) is sleeved in the pressing guide block (13), a tripping arm (25) extending out is further arranged on the breaking button (11), the tripping arm (25) corresponds to the clamping groove (26), and the breaking button (11) is pressed down to enable the tripping arm (25) to push the clamping sheet (24) inserted into the clamping groove (26), so that the resetting button (10) and the resetting stop block (12) are tripped.

2. A leakage protector with forced power-off function as claimed in claim 1, wherein a push-out spring (27) in a compressed state is further provided between the bottom of the switch-off button (11) and the pressing guide block (13), and the push-out spring (27) is used for pushing the switch-off button (11) upwards and abutting against the housing (1).

3. A leakage protector with forced power-off function according to claim 1, characterized in that the top of the pin base (2) is provided with a sliding groove (28) for inserting the reset stopper (12) into the pin base (2) from top to bottom, and the reset stopper (12) can move up and down relative to the sliding groove (28).

4. The earth leakage protector capable of forcibly powering off according to claim 1, wherein the pins (8) comprise a neutral pin (5), a live pin (6) and a ground pin (7), the spring pieces (9) comprise a neutral spring piece (15) and a live spring piece (16), the neutral pin (5) corresponds to the neutral spring piece (15), the live pin (6) corresponds to the live spring piece (16), and the ground pin (7) is directly connected to the circuit board (3); the two extending ends (32) are arranged on the two sides of the reset stop block (12) and are arranged on the lower portions of the zero line elastic sheet (15) and the live line elastic sheet (16), and the zero line elastic sheet (15) and the live line elastic sheet (16) can automatically move downwards under the action of own elasticity.

5. The earth leakage protector capable of forcibly powering off according to claim 1, wherein the pins (8) comprise a neutral pin (5), a live pin (6) and a ground pin (7), the spring pieces (9) comprise a neutral spring piece (15), a live spring piece (16) and a ground spring piece (17), the neutral pin (5) corresponds to the position of the neutral spring piece (15), the live pin (6) corresponds to the position of the live spring piece (16), and the ground pin (7) corresponds to the position of the ground spring piece (17); three extending ends (32) are arranged, two extending ends (32) are positioned at two sides of the reset stop block (12) and are arranged at the lower parts of the zero line elastic sheet (15) and the live line elastic sheet (16), and the zero line elastic sheet (15) and the live line elastic sheet (16) can automatically move downwards under the action of self elasticity; the third extending end (32) is positioned at the bottom of the reset stop block (12) and is arranged at the top of the ground wire elastic sheet (17) and used for controlling the ground wire elastic sheet (17) to move downwards, and the ground wire elastic sheet (17) can automatically move upwards under the action of self elasticity.

6. A leakage protector against forced power failure, according to claim 1, characterized in that said leakage protector device (4) further comprises a test button (18), said test button (18) being located between said circuit board (3) and said casing (1).

7. A leakage protector with forced power-off function as claimed in claim 6, characterized in that said casing (1) is provided with through holes for corresponding cooperation with said reset button (10), said off button (11) and said test button (18).

8. A leakage protector with forced power-off function as claimed in claim 7, characterized in that waterproof spacers are arranged between the reset button (10), the off button (11) and the test button (18) and the casing (1).

9. A leakage protector with forced power-off function as claimed in claim 1, wherein a waterproof spacer is provided between said pin base (2) and said case (1).

10. The earth leakage protector capable of forcibly powering off according to claim 1, wherein a wedge-shaped slider (30) is disposed at the bottom of the trip arm (25), when the earth leakage protector is in the on state, the latch piece (24) is inserted into the latch groove (26) to latch and fix the reset key (10) and the reset stopper (12), and the wedge-shaped slider (30) moves downwards to abut against the latch piece (24) to push the latch piece (24) to trip.

11. A forced power-off earth-leakage protector, characterized in that it comprises: the leakage protection device comprises a shell (1), and a pin base (2), a circuit board (3), a leakage protection device (4) and a pin (8) which are arranged in the shell (1), wherein the leakage protection device (4) comprises a reset key (10), a disconnection key (11), a reset stop block (12), a pressing guide block (13), an electromagnetic driving device (14) and an electric brush wire connecting terminal (33); the pin (8) and the brush wire connecting terminal (33) are embedded on the pin base (2);

the pressing guide block (13) is clamped and arranged on one side of the top of the pin base (2), and a pressing end (31) used for pressing and fixing the pin (8) on the pin base (2) is arranged on the pressing guide block (13); the reset block (12) is movably arranged in the middle of the top of the pin base (2) up and down, two extending ends (32) capable of fixing the brush wire connecting terminal (33) are arranged on the reset block (12), and the contact and separation of the brush wire connecting terminal (33) and the pin (8) can be controlled through the extending ends (32); the electromagnetic driving device (14) is arranged on the other side of the top of the pin base (2), the electromagnetic driving device (14) comprises an electromagnetic device (22), a driving iron core (23) and a clamping piece (24), the driving iron core (23) is arranged in the electromagnetic device (22), the driving iron core (23) is movably clamped with the clamping piece (24), the electromagnetic device (22) is used for driving the driving iron core (23) to move so as to drive the clamping piece (24) to move, and a clamping groove (26) for the clamping piece (24) to insert is formed in the reset stop block (12);

the reset key (10) penetrates through the circuit board (3) and is inserted into the reset stop block (12), the reset key (10) and the reset stop block (12) can be clamped through the clamping piece (24), the reset stop block (12) can drive the elastic sheet (9) to move downwards and is separated from the pin (8) to be powered off by pressing down the reset key (10), and the reset key (10) can drive the electric brush wire connecting terminal (33) to move upwards and is contacted with the pin (8) to be powered on by the reset stop block (12) to move upwards under the action of the reset spring (21);

12. A leakage protector with forced power-off function according to claim 11, characterized in that the brush wire terminal (33) comprises a first fixing end (34) and a second fixing end (35), the first fixing end (34) is fixed on the extending end (32), the second fixing end (35) is fixed on the pin base (2) in a clamping manner, and the first fixing end (34) and the second fixing end (35) are connected through a brush wire.

13. A leakage protector against forced power failure according to claim 11, characterized in that said pins (8) comprise a neutral pin (5), a live pin (6) and a ground pin (7), said brush wire terminals (33) comprise neutral and live terminals, said neutral pin (5) corresponding to the neutral terminal position, said live pin (6) corresponding to the live terminal position, said ground pin (7) being directly connected to the circuit board (3).