CN211788875U - Novel double-power leakage protector - Google Patents

Abstract

The utility model discloses a novel earth-leakage protector of double-power relates to electrical equipment protection technical field, include: the protector comprises a protector bottom plate, two protector devices arranged on the upper part of the protector bottom plate in parallel, pins arranged on the lower part of the protector bottom plate and elastic pieces, wherein the protector devices control the on and off of the double-power novel leakage protector; when the power supply is switched on, at least one protector device is electrified, the communicated iron core drives the elastic sheet pressing block to rotate through the vertical fork groove, so that the side pressure rod positioned at the bottom of the elastic sheet pressing block presses the elastic sheet downwards, the elastic sheet pressing block presses downwards to drive the synchronous pressing block to synchronously rotate, so that the synchronous pressing rods simultaneously press downwards, and the magnetic suction plate is fixed by maintaining the iron core to adsorb; the communication maintaining device is used for fixing the position of the locking deflector rod, so that the elastic sheet pressing block keeps a pressing state and the elastic sheet and the pin keep a communicating state; adopt above-mentioned technical scheme, the utility model discloses a can carry out earth leakage protection's novel earth leakage protector to two loads respectively simultaneously.

Description

Novel double-power leakage protector

Technical Field

The utility model belongs to the technical field of the electrical equipment protection technique and specifically relates to a novel earth-leakage protector of double-power.

Background

When the equipment has leakage fault or needs to protect the person with fatal danger from electric shock, the leakage protector can disconnect the main circuit in time, thereby being widely applied; the application technology of the leakage protector is mature, and the leakage protector is divided into a voltage type and a current type according to the protection principle. From the mechanical structure, there are self-locking type and attraction type, but the current or voltage mechanical self-locking type leakage protector is mainly used. The biggest characteristic of the mechanical self-locking structure is as follows: when the power supply of the working leakage protector is interrupted or the power supply loop is in phase failure and the line is in poor contact, the mechanical self-locking structure of the leakage protector in a closed state can not actively disconnect the closed contact, and at the moment, if the power supply loop is in abnormal phase failure and the ground wire is in abnormal electrification or leaks electricity, the leakage protector loses the protection effect, so that safety accidents are caused; therefore, the suction type application is more and more, and the electricity safety can be ensured; however, the design and use scenes of the existing leakage protector equipment can only carry out leakage protection on a single load, and cannot respectively carry out leakage protection on double loads; to the above problem, the utility model discloses in designed a can carry out earth-leakage protection's novel earth-leakage protector respectively to two loads simultaneously, when being applicable to products such as class electric water heater very much, can carry out earth-leakage protection to two electrothermal tubes respectively simultaneously.

The electric control mode adopted in the existing double-power electric appliance is to realize the micro-disconnection of the circuit through a relay, but because the opening distance is smaller and the safety is lower, a double-power leakage protector device capable of achieving the safe 3mm opening distance is required to replace the structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the above-mentioned defect that prior art exists, provide a novel earth-leakage protector of double-power specially, solve current earth-leakage protector and can't carry out effective safe earth-leakage protection's problem respectively to two loads.

In order to solve the technical problem, the utility model provides a novel earth-leakage protector of double-power, include: the protector comprises a protector bottom plate, an elastic sheet, two protector devices arranged on the upper part of the protector bottom plate in parallel, and a wiring terminal arranged and fixed on the protector bottom plate, wherein the protector devices control the on and off of the double-power novel leakage protector;

the protector device comprises a communication maintaining device, a communication device and a locking device, wherein the locking device is arranged between the communication maintaining device and the communication device and is used for controlling the connection and disconnection of the elastic sheet and the wiring terminal;

the locking device comprises a spring plate pressing block and a locking deflector rod, and the locking deflector rod is provided with a lock catch, a magnetic suction plate and a hasp slideway;

the elastic piece pressing block is provided with a hasp, a vertical fork groove and a side pressing rod, and the hasp is used for being matched and abutted with the hasp;

the communicating device is provided with a communicating iron core which extends transversely and is matched with the vertical fork groove in a clamping manner; the communication maintaining device is provided with a maintaining iron core which is longitudinally arranged and can be used for magnetic adsorption matching with the magnetic attraction plate;

a synchronous pressing block is arranged between the elastic sheet pressing blocks of the two protector devices which are arranged in parallel, the two elastic sheet pressing blocks and the synchronous pressing block rotate coaxially, a synchronous pressing rod is arranged at the bottom of the synchronous pressing block, shaft sleeve rotating abutting blocks are arranged on two sides of the synchronous pressing block, a shaft sleeve rotating driving block on the elastic sheet pressing block is matched and abutted with the shaft sleeve rotating abutting blocks, and the elastic sheet pressing block can drive the synchronous pressing block to rotate synchronously through the matching of the shaft sleeve rotating driving block and the shaft sleeve rotating abutting blocks;

when the power supply is switched on, at least one protector device is electrified, the communicated iron core drives the elastic sheet pressing block to rotate through the vertical fork groove, so that the side pressure rod positioned at the bottom of the elastic sheet pressing block presses the elastic sheet downwards, the elastic sheet pressing block presses the synchronous pressing block to synchronously rotate, so that the synchronous pressing rod simultaneously presses the elastic sheet downwards, the hasp slides upwards along the hasp slide way, and the magnetic suction plate continuously moves downwards in the process that the hasp slides to be abutted against the hasp, and the magnetic suction plate is fixed by maintaining the iron core in an adsorbing manner; the communication maintaining device is used for fixing the position of the locking deflector rod, so that the elastic sheet pressing block keeps a pressing state, and the elastic sheet and the wiring terminal keep a connection state, thereby realizing circuit communication;

when the power supply is disconnected, the communication maintaining device stops working, the locking deflector rod is released, and the lock catch and the hasp are tripped, so that the elastic sheet is disconnected with the wiring terminal, and the circuit is further broken;

by adopting the technical scheme, the effect of simultaneously carrying out leakage protection on double loads by the double-power leakage protector is realized, the overall structure is simple, the cost can be effectively saved, the overall size of the leakage protector is reduced, and the protection effect is stable and reliable.

The connecting terminal is provided with pins, the pins comprise a second pin, a first pin, a ground pin and an auxiliary connecting pin, the auxiliary connecting pin is electrically connected with the first pin, the first pin is connected with the live wire, and the second pin is connected with the zero wire;

wherein, the second is participated in, first participate in, the ground wire is participated in and is equipped with the electric contact point of connecting at the supplementary connecting pin top, first shell fragment, the second shell fragment, third shell fragment and PE line shell fragment tip all are equipped with and connect the corresponding shell fragment contact of contact with the electricity, one side depression bar can be used to push down first shell fragment and first participate in the intercommunication, the opposite side depression bar can be used to push down third shell fragment and supplementary connecting pin intercommunication, synchronous depression bar can be used to push down second shell fragment and second and participate in the intercommunication, and can push down PE line shell fragment and ground wire simultaneously and participate in the intercommunication, adopt above-mentioned technical scheme, realized the second participate in two sets of protection architecture with the ground wire participate in the sharing, effectually will the utility model discloses a double-power earth leakage protector overall structure simplifies to have better guard effect.

The connecting pins comprise a second pin, a first pin, a ground wire pin and an auxiliary connecting pin, the auxiliary connecting pin is electrically connected with the first pin, the first pin is connected with the live wire, and the second pin is connected with the zero wire;

the top of the second pin, the top of the first pin and the top of the auxiliary connecting pin are provided with electric connecting contacts, the end parts of the first elastic sheet, the second elastic sheet and the third elastic sheet are provided with elastic sheet contacts corresponding to the electric connecting contacts, a pressing rod on one side can be used for pressing down the first elastic sheet to be communicated with the first pin, a pressing rod on the other side can be used for pressing down the third elastic sheet to be communicated with the auxiliary connecting pin, a synchronous pressing rod can be used for pressing down the second elastic sheet to be communicated with the second pin, and the PE wire and the ground wire are not disconnected and are kept connected.

The locking deflector rod is movably hinged with a second support arranged on the communicating device through a second pin shaft, and the elastic piece pressing block is movably hinged with a first support arranged in the middle of the bottom plate through a first pin shaft.

Wherein, the shell fragment briquetting includes briquetting upper portion and briquetting lower part, hasp and perpendicular fork groove set up on briquetting upper portion, the side pressure pole sets up in the briquetting lower part, briquetting upper portion is articulated through first round pin axle with the briquetting lower part, be equipped with compression state's briquetting spring between briquetting upper portion and the briquetting lower part, when side pressure pole and shell fragment are in the butt state, the elasticity of briquetting spring can make the side pressure pole keep the steady effort to the shell fragment, the rotatory drive block setting of axle sleeve is on the rotation axis cover of briquetting upper portion or briquetting lower part, the setting of the rotatory butt piece of half open-ended axle sleeve and corresponding axle sleeve among the above-mentioned technical scheme, make the shell fragment briquetting just can promote the synchronous pivoting of the rotatory butt piece of axle sleeve through the rotatory drive block on the rotatory axle sleeve in pivoting, even it is rotatory to get synchronous briquetting, and then realize pushing down the shell.

The hinge joint of the upper part of the pressing block and the lower part of the pressing block is provided with a hinge seat, a first pin shaft penetrates through the hinge seat, the hinge seat is also provided with a limit stop block, and the limit stop block is used for controlling an opening angle between the upper part of the pressing block and the lower part of the pressing block when the pressing block rotates by taking the first pin shaft as an axis; the position that briquetting upper portion and briquetting lower part correspond to set up the briquetting spring all is equipped with the spring groove, the spring inslot still is equipped with the spring post, spring groove and spring post are used for installing the briquetting spring, adopt briquetting upper portion and briquetting lower part to form the shell fragment briquetting through the combination of briquetting spring coupling's mode, make the shell fragment briquetting at the in-process that compresses tightly the shell fragment not only rely on fixed spacing mechanical structure to go on, can make side depression bar and synchronous depression bar exert stable packing force to the shell fragment through adopting the briquetting spring, and after follow-up because long-time use produces mechanical wear, the opening angle grow when also can make between briquetting upper portion and the briquetting lower part as the axle center rotation with first round pin axle through the elasticity of briquetting spring, thereby guarantee the packing force of side depression bar and synchronous depression bar to the shell fragment, make the novel earth-leakage protector internal.

The bottom parts of the communication maintaining device and the communication device are provided with wedge-shaped buckling feet, and the communication maintaining device and the communication device are buckled and fixed with the bottom plate through the buckling feet respectively.

Wherein, the intercommunication device still includes intercommunication coil and intercommunication spring, and the intercommunication coil is fixed inside the intercommunication device, and intercommunication spring and intercommunication iron core level set up at the intercommunication coil inner chamber.

The communication maintaining device also comprises a maintaining coil, the maintaining coil is fixed in the communication maintaining device, and the maintaining iron core is vertically fixed in an inner cavity of the maintaining coil; and one end of the maintaining iron core is fixedly connected with the bottom of the communicating maintaining device, and the other end of the maintaining iron core is used for adsorbing the magnetic suction plate.

Wherein, be equipped with articulated mounting in advance on the articulated seat, articulated mounting includes boss and joint recess in advance, and the boss is located the articulated department on briquetting upper portion, and the joint recess is located the articulated department in briquetting lower part, through the cooperation of boss and joint recess, realizes that briquetting upper portion and briquetting lower part are articulated in advance.

Wherein, be equipped with articulated mounting in advance on the articulated seat, articulated mounting includes boss and joint recess in advance, and the joint recess is located the articulated department on briquetting upper portion, and the boss is located the articulated department in briquetting lower part, through the cooperation of boss and joint recess, realizes that briquetting upper portion and briquetting lower part are articulated in advance.

Wherein, still be equipped with on the locking driving lever and compress tightly the kicking block, it is located hasp one side to compress tightly the kicking block, when switch on, it is rotatory that the intercommunication iron core drives the shell fragment briquetting through erecting the fork groove, the hasp upwards slides along the hasp slide, and the hasp slides through the hasp after with compress tightly the instantaneous butt of kicking block, thereby it is fixed to be maintained the iron core absorption through making magnetism inhale the board downstream with compressing tightly the kicking block butt, through the setting that compresses tightly the kicking block, make the hasp can promote magnetism to inhale the extra rotatory certain angle of board, thereby make first iron core adsorb magnetism and inhale the board more easily.

Wherein, still be equipped with the instruction piece on the synchronous briquetting, instruct the piece to be located the upper portion of synchronous briquetting, instruct the piece colour to be red, at the rotatory in-process of synchronous briquetting, instruct the piece position also can change to show earth-leakage protector's state.

When the power supply is disconnected, the limiting baffle can be abutted against the upper part of the communication device so as to limit the rotating angle of the locking deflector rod, and the limiting effect of the limiting baffle realizes the limitation of the rotating angle range of the locking deflector rod; and the design of the magnetic attraction plate greatly prolongs the service life of the double-power novel leakage protector.

The synchronous pressure rod is provided with a lug corresponding to the PE wire elastic sheet, and when the synchronous pressure rod is pressed down, the lug enables the PE wire elastic sheet to be communicated with the corresponding pin before the first elastic sheet, the second elastic sheet and the third elastic sheet; when the side pressure rod is lifted, the lug ensures that the PE wire elastic sheet is disconnected with the corresponding pin behind the first elastic sheet, the second elastic sheet and the third elastic sheet.

Wherein, still be equipped with the clamp plate pinhole on the locking driving lever, magnetism is inhaled the board and is articulated through round pin axle and clamp plate pinhole cooperation.

Wherein, the shaft sleeve rotation driving block and the shaft sleeve rotation abutting block are both open shaft sleeves.

The connecting terminal is provided with pins, the pins comprise a second pin, a first pin, a ground pin and an auxiliary connecting pin, the auxiliary connecting pin is electrically connected with the first pin, the first pin is connected with a live wire, the second pin is connected with a zero wire, the first pin is connected with the zero wire, and the second pin is connected with the live wire;

wherein, the second is participated in, first participate in, the ground wire is participated in and is equipped with the electric contact point of connecting at the supplementary connecting pin top, first shell fragment, the second shell fragment, third shell fragment and PE line shell fragment tip all are equipped with and connect the corresponding shell fragment contact of contact with the electricity, one side depression bar can be used to push down first shell fragment and first participate in the intercommunication, the opposite side depression bar can be used to push down third shell fragment and supplementary connecting pin intercommunication, synchronous depression bar can be used to push down second shell fragment and second and participate in the intercommunication, and can push down PE line shell fragment and ground wire simultaneously and participate in the intercommunication, adopt above-mentioned technical scheme, realized the second participate in two sets of protection architecture with the ground wire participate in the sharing, effectually will the utility model discloses a double-power earth leakage protector overall structure simplifies to have better guard effect.

The connecting pins comprise a second pin, a first pin, a ground pin and an auxiliary connecting pin, the auxiliary connecting pin is electrically connected with the first pin, the first pin is connected with the live wire, the second pin is connected with the zero wire, the first pin is connected with the zero wire, and the second pin is connected with the live wire;

the top of the second pin, the top of the first pin and the top of the auxiliary connecting pin are provided with electric connecting contacts, the end parts of the first elastic sheet, the second elastic sheet and the third elastic sheet are provided with elastic sheet contacts corresponding to the electric connecting contacts, a pressing rod on one side can be used for pressing down the first elastic sheet to be communicated with the first pin, a pressing rod on the other side can be used for pressing down the third elastic sheet to be communicated with the auxiliary connecting pin, a synchronous pressing rod can be used for pressing down the second elastic sheet to be communicated with the second pin, and the PE wire and the ground wire are not disconnected and are kept connected.

Drawings

Fig. 1 is a perspective view 1 of the novel dual-power leakage protector of the present invention;

fig. 2 is a perspective view 2 of the novel dual-power leakage protector of the present invention;

fig. 3 is a structural diagram of a protector device of the double-power novel leakage protector of the utility model;

fig. 4 is a structural diagram of a communication maintaining device of the dual-power novel leakage protector of the utility model;

fig. 5 is a structural diagram of a bottom plate, pins and elastic pieces of the dual-power leakage protector of the present invention;

fig. 6 is a structural diagram of pins and spring pieces of the dual-power leakage protector of the present invention;

fig. 7 is a structural diagram of a protector bottom plate of the dual-power novel leakage protector of the utility model;

fig. 8 is a structural diagram 1 of a locking device of the dual-power novel leakage protector of the utility model;

fig. 9 is a structural diagram 2 of a locking device of the dual-power novel leakage protector of the utility model;

fig. 10 is a structural diagram 3 of a locking device of the dual-power novel leakage protector of the invention;

fig. 11 is a structural diagram 1 of the spring plate pressing block and the synchronous pressing block of the dual-power novel leakage protector of the utility model;

fig. 12 is a structural diagram 2 of the spring plate pressing block and the synchronous pressing block of the dual-power novel leakage protector of the utility model;

fig. 13 is a locking deflector rod structure diagram of the dual-power novel leakage protector of the utility model;

FIG. 14 is a diagram of the structure of the spring plate pressing block of the dual-power leakage protector of the present invention;

fig. 15 is a structural diagram 3 of the spring plate pressing block and the synchronous pressing block of the dual-power novel leakage protector of the utility model;

fig. 16 is an internal structure diagram of the communication maintaining device of the dual-power leakage protector of the present invention;

in the figure: 1 is a protector device; 2 is a protector bottom plate; 3 is a pin; 4 is a spring plate; 5 is a communication maintaining device; 6 is a communicating device; 7 is a locking device; 8, synchronous briquetting; 10 is a pin pressing strip; 11 is a first elastic sheet; 12 is a second elastic sheet; 13 is a third elastic sheet; 14 is PE wire spring plate; 15 is a second pin; 16 is a first pin; 17 is a ground pin; 18 are electrical connection contacts; 19 is a spring contact; 20 is an auxiliary connecting pin; 21 is a holding iron core; 22 is a sustain coil; 23 is a communicating iron core; 24 is a communicating coil; 25 is a communicating spring; 26 is a spring plate pressing block; 27 is a locking deflector rod; 28 is a first pin; 29 is a second pin shaft; 30 is a first support; 31 is a second support; 32 is an indication block; 33 is a lock catch; 34 is a magnetic attraction plate; 35 is a hasp slideway; 36 is a hasp; 37 is a vertical fork groove; 38 is a side press rod; 39 is a synchronous pressure lever; 41 is the upper part of the pressing block; 42 is the lower part of the pressing block; 43 is a pressure block spring; 44 is a limit stop; 45 is a fastening pin; 46 is a boss; 47 is a clamping groove; 48 is a compaction top block; 49 is a limit baffle; 50 is a bump; 51 is a press plate pin hole; 52 is a shaft sleeve rotation driving block; 53 is a shaft sleeve rotary abutting block; 54 is a pin pressing block; 55 is a metal plate.

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 novel earth-leakage protector of double-power, as shown in fig. 1 to fig. 12, include: the double-power leakage protector comprises a protector bottom plate 2, an elastic sheet 4, two protector devices 1 arranged on the upper portion of the protector bottom plate 2 in parallel and a wiring terminal arranged on the lower portion of the protector bottom plate 2, wherein in the embodiment, the wiring terminal is set to be a pin 3, the pin 3 can be directly inserted into a socket, in other use environments, a lead can be led out from the wiring terminal to be electrically connected, and the protector devices 1 control the opening and closing of the double-power leakage protector;

each protector device 1 comprises a communication maintaining device 5, a communication device 6 and a locking device 7, wherein the locking device 7 is arranged between the communication maintaining device 5 and the communication device 6, and the locking device 7 is used for controlling the opening and closing of the elastic sheet 4 and the pin 3;

the locking device 7 comprises a spring plate pressing block 26 and a locking shifting rod 27, and the locking shifting rod 27 is provided with a lock catch 33, a magnetic attraction plate 34 and a hasp slideway 35; as shown in fig. 14, the spring plate pressing block 26 is provided with a hasp 36, a vertical fork groove 37 and a lateral pressing rod 38, and the hasp 36 is used for being matched and abutted with the lock catch 33;

the communicating device 6 is provided with a communicating iron core 23 which extends transversely, the communicating iron core 23 is in clamping fit with the vertical fork groove 37, the communicating device 6 further comprises a communicating coil 24 and a communicating spring 25, the communicating coil 24 is fixed in the communicating device 6, and the communicating spring 25 and the communicating iron core 23 are horizontally arranged in an inner cavity of the communicating coil 24; the communication maintaining device 5 is provided with a maintaining iron core 21 which is longitudinally arranged, the maintaining iron core 21 can be used for being matched with the magnetic attraction plate 34 in a magnetic attraction way, the communication maintaining device 5 further comprises a maintaining coil 22, the maintaining coil 22 is fixed in the communication maintaining device 5, and the maintaining iron core 21 is vertically fixed in the inner cavity of the maintaining coil 22; one end of the holding iron core 21 is fixedly connected with the bottom of the communication maintaining device 5, and the other end of the holding iron core 21 is used for adsorbing the magnetic attraction plate 34, specifically, as shown in fig. 16, a metal plate 55 is arranged in the communication maintaining device 5, the metal plate 55 is L-shaped, one end of the holding iron core 21 is fixed at the bottom of the metal plate 55, when the magnetic attraction plate 34 is adsorbed by the communication maintaining device 5, the magnetic attraction plate 34 is simultaneously abutted against the side plates of the holding iron core 21 and the L-shaped metal plate 55, so as to ensure that the communication maintaining device 5 stably adsorbs and fixes the magnetic attraction plate 34;

in the embodiment, the elastic sheet pressing block 26 is movably hinged with the first support 30 arranged at the middle position of the protector base plate 2 through a first pin shaft 28, the two elastic sheet pressing blocks 26 of the two protector devices 1 and the synchronous pressing block 8 between the two elastic sheet pressing blocks 26 are arranged on the first pin shaft 28 together and can rotate around the first pin shaft 28, the elastic piece pressing block 26 can be driven to rotate by the communicating iron core 23, the synchronous pressing block 8 is driven to rotate by the elastic piece pressing block 26, namely, when the shaft sleeve rotating driving block 52 rotates along with the elastic piece pressing block 26, the synchronous pressing rod 39 simultaneously presses down the corresponding elastic piece when the side pressing rod 38 at the bottom of the elastic piece pressing block 26 presses down the corresponding elastic piece through the abutting fit relation between the shaft sleeve rotating driving block 52 on the rotating shaft sleeve of the elastic piece pressing block 26 and the shaft sleeve rotating abutting block 53 on the rotating shaft sleeve of the synchronous pressing block 8;

when the power is switched on, at least one protector device 1 is powered on, the communicating iron core 23 drives the elastic sheet pressing block 26 to rotate through the vertical fork groove 37, so that the side pressure rod 38 positioned at the bottom of the elastic sheet pressing block 26 presses the elastic sheet 4 downwards, the elastic sheet pressing block 26 presses downwards to drive the synchronous pressing block 8 to synchronously rotate so as to simultaneously press the synchronous pressing rod 39 downwards, the hasp 36 slides upwards along the hasp slideway 35, and in the process that the hasp 36 slides to be abutted against the hasp 33, the magnetic suction plate 34 continuously moves downwards, as shown in fig. 10, the magnetic suction plate 34 is ensured to continuously move downwards, the situations that the magnetic suction plate 34 stops or jumps and the like in the sliding process can be avoided, the speed of the magnetic suction plate 34 and the maintaining iron core 21 for adsorption and fixation can be influenced due to the stops or jumps, and the communication failure of the leakage protector can be caused; the magnetic attraction plate 34 is thus attracted and fixed by the holding iron core 21; the communication maintaining device 5 is used for fixing the position of the locking shift lever 27, so that the elastic sheet pressing block 26 keeps a pressing state, and the elastic sheet 4 and the pin 3 keep a connection state, thereby realizing circuit communication;

when the power supply is disconnected, the communication maintaining device 5 stops working, the locking deflector rod 27 is released, the lock catch 33 and the hasp 36 are tripped, so that the elastic sheet 4 and the pin 3 are disconnected, and further the circuit is disconnected.

As shown in fig. 15, the sleeve rotation driving block 52 and the sleeve rotation abutting block 53 in this embodiment are both open sleeves, and when the sleeve rotation driving block 52 and the sleeve rotation abutting block 53 are engaged, a reserved rotation space is still provided between the sleeve rotation driving block 52 and the sleeve rotation abutting block 53, i.e. when the power is on, the communicating iron core 23 drives the spring plate pressing block 26 to rotate through the vertical fork slot 37, and at the same time, the upper portion of the sleeve rotation driving block 52 is engaged with the upper portion of the sleeve rotation abutting block 53, the synchronous pressing block 8 rotates simultaneously, so as to press the spring plate 4, when the power is off, the locking lever 27 is released, the spring plate pressing block 26 does not press down and rotate, during this process, because a reserved rotation space is also provided between the sleeve rotation driving block 52 and the sleeve rotation abutting block 53, i.e. there is a certain gap between the lower portion of the sleeve rotation driving block 52 and the lower portion of the sleeve rotation abutting block 53, so that the synchronizing mass 8 can rotate later than the striking plate mass 26.

The elastic sheet 4 comprises a first elastic sheet 11, a second elastic sheet 12, a third elastic sheet 13 and a PE wire elastic sheet 14, the first elastic sheet 11, the second elastic sheet 12, the third elastic sheet 13 and the PE wire elastic sheet 14 penetrate through the bottom of the communication maintaining device 5 and are clamped and fixed by the protector bottom plate 2 and the communication maintaining device 5, the pin 3 comprises a second pin 15, a first pin 16, a ground wire pin 17 and an auxiliary connecting pin 20, the auxiliary connecting pin 20 is electrically connected with the first pin 16, the first pin 16 is connected with a live wire, and the second pin 15 is connected with a neutral wire;

the top of the second pin 15, the first pin 16, the ground pin 17 and the auxiliary connecting pin 20 is provided with an electric connecting contact 18, the end parts of the first elastic sheet 11, the second elastic sheet 12, the third elastic sheet 13 and the PE wire elastic sheet 14 are all provided with an elastic sheet contact 19 corresponding to the electric connecting contact 18, one side pressure lever 38 can be used for pressing the first elastic sheet 11 to be communicated with the first pin 16, the other side pressure lever 38 can be used for pressing the third elastic sheet 13 to be communicated with the auxiliary connecting pin 20, the synchronous pressure lever 39 can be used for pressing the second elastic sheet 12 to be communicated with the second pin 15 and simultaneously pressing the PE wire elastic sheet 14 to be communicated with the ground pin 17, furthermore, in the specific implementation process, when only one protector device 1 is electrified, only the elastic sheet pressing block 26 corresponding to the protector device 1 keeps a pressing state, namely the first elastic sheet 11 is communicated with the first pin 16, or the third elastic sheet 13 is communicated with the auxiliary connecting pin 20, because the auxiliary connecting pin 20 is electrically connected with the first pin 16, and as long as a spring plate pressing block 26 keeps a pressing-down state, and simultaneously drives the synchronous pressing block 8 to keep a pressing-down state, i.e. the second spring plate 12 is communicated with the second pin 15, and the PE wire spring plate 14 is communicated with the ground pin 17, the power-on of any protector device 1 can ensure that the leakage protector is in a power-on state and plays a role of protection, when two protector devices 1 are simultaneously powered on, the leakage protection can be simultaneously carried out on two loads in a circuit, namely the double-power leakage protector of the embodiment, further application of the embodiment is realized, for example, when the double-power leakage protector of the embodiment is applied to a water heater, two electric heating pipes can be simultaneously controlled to carry out water storage heating and water outlet heating on the water heater, specifically, an internal water storage tank and an external water outlet tank are arranged in, and be equipped with an electrothermal tube respectively and heat, two protector devices 1 carry out earth leakage protection to two electrothermal tubes respectively, heat to about 40 ℃ through the electrothermal tube in the inside storage water tank and keep warm, when needs use hot water, externally go out the water tank and also can continue to heat very fast about 75 ℃, adopt above-mentioned scheme to make the heat preservation effect better, the heat dissipation is slower, compare in keeping warm at higher temperature, have better energy-conserving effect, two electrothermal tubes can both carry out earth leakage protection through the earth leakage protector of this embodiment simultaneously.

A bump 50 is arranged on the synchronous pressure lever 39 corresponding to the PE wire elastic sheet 14, and when the synchronous pressure lever 39 is pressed down, the bump 50 enables the PE wire elastic sheet 14 to be communicated with the corresponding pin 3 before the first elastic sheet 11, the second elastic sheet 12 and the third elastic sheet 13; when the side pressure lever 38 is lifted, the bump 50 disconnects the PE wire spring 14 from the corresponding pin 3 after the first spring 11, the second spring 12, and the third spring 13.

As shown in fig. 3 and 4, the bottoms of the communication maintaining device 5 and the communication device 6 are both provided with a wedge-shaped fastening pin 45, and the communication maintaining device 5 and the communication device 6 are fastened and fixed with the protector base plate 2 through the fastening pins 45 respectively; the installation is got up simple and conveniently to firm reliable, can directly utilize the mould die sinking, reduction in production cost still is equipped with in intercommunication retaining device 5 bottom both sides and participates in layering 10 and is used for participating in 3 and compress tightly, still is equipped with to participate in the briquetting 54 and is used for participating in 3 and compress tightly between protector device 1 and protector bottom plate 2.

Example 2:

compared with the embodiment 1, the elastic sheet 4 comprises a first elastic sheet 11, a second elastic sheet 12 and a third elastic sheet 13, the first elastic sheet 11, the second elastic sheet 12 and the third elastic sheet 13 penetrate through the bottom of the communication maintaining device 5 and are clamped and fixed by the protector bottom plate 2 and the communication maintaining device 5, the pin 3 comprises a second pin 15, a first pin 16, a ground pin 17 and an auxiliary connecting pin 20, the auxiliary connecting pin 20 is electrically connected with the first pin 16, the first pin 16 is connected with the live wire, and the second pin 15 is connected with the neutral wire;

the top of the second pin 15, the top of the first pin 16 and the top of the auxiliary connecting pin 20 are provided with an electric connecting contact 18, the end parts of the first elastic sheet 11, the second elastic sheet 12 and the third elastic sheet 13 are provided with elastic sheet contacts 19 corresponding to the electric connecting contact 18, a side pressure lever 38 can be used for pressing the first elastic sheet 11 to be communicated with the first pin 16, a side pressure lever 38 can be used for pressing the third elastic sheet 13 to be communicated with the auxiliary connecting pin 20, a synchronous pressure lever 39 can be used for pressing the second elastic sheet 12 to be communicated with the second pin 15, and the PE wire and the ground wire pin 17 cannot be disconnected and keep connected.

In this embodiment, the first elastic piece 11 corresponds to the first pin 16, the second elastic piece 12 corresponds to the second pin 15, and the third elastic piece 13 corresponds to the auxiliary connection pin 20, and in this embodiment, the PE wire elastic piece 14 is removed, and the ground pin 17 is connected to the PE wire through a wire, so that the PE wire is kept in a continuous connection state.

Example 3:

in this embodiment, the spring plate pressing block 26 includes a pressing block upper part 41 and a pressing block lower part 42, the hasp 36 and the vertical fork groove 37 are arranged on the pressing block upper part 41, the side pressure lever 38 is arranged on the pressing block lower part 42, the pressing block upper part 41 and the pressing block lower part 42 are hinged through the first pin shaft 28, a pressing block spring 43 in a compressed state is arranged between the pressing block upper part 41 and the pressing block lower part 42, and when the side pressure lever 38 and the spring plate 4 are in a butt joint state, the elastic force of the pressing block spring 43 can enable the side pressure lever 38 to keep a stable acting force on the; the positions of the first holder 30 and the second holder 31 can be adjusted according to the difference in the positions of the mounting layout of the earth-leakage protector, and the boss rotation driving block 52 is provided on the rotation shaft boss of the pressing block upper part 41 or the pressing block lower part 42.

As shown in fig. 8, 9 and 10, a hinged seat is provided at the hinged position of the upper pressing block portion 41 and the lower pressing block portion 42, the first pin shaft 28 is inserted into the hinged seat, a limit stop 44 is further provided on the hinged seat, and the limit stop 44 is used for controlling an opening angle between the upper pressing block portion 41 and the lower pressing block portion 42 when rotating around the first pin shaft 28 as an axis; even if the rotation angle of the upper pressing block part 41 and the lower pressing block part 42 around the first pin shaft 28 is limited within a certain range, the design can ensure that the elastic sheet pressing block 26 is not automatically disassembled after being assembled due to the elastic force of the pressing block spring 43 after the assembly is completed, and the upper pressing block part 41 and the lower pressing block part 42 can be limited.

Briquetting upper portion 41 all is equipped with the spring groove with the position that briquetting lower part 42 corresponds and sets up briquetting spring 43, and the spring groove is used for installing briquetting spring 43, also can guarantee simultaneously that briquetting spring 43 can not drop, and the installation is got up more simple and conveniently, further still is equipped with the spring post at the spring inslot, and spring groove and spring post are used for installing briquetting spring 43, guarantee the fixed effect of installation.

Example 4:

in this embodiment, as shown in fig. 10, a pre-hinge device is arranged on the hinge seat, the pre-hinge device includes a boss 46 and a clamping groove 47, the boss 46 is located at the hinge position of the upper part 41 of the pressing block, the clamping groove 47 is located at the hinge position of the lower part 42 of the pressing block, and the pre-hinge of the upper part 41 of the pressing block and the lower part 42 of the pressing block is realized through the cooperation of the boss 46 and the clamping groove 47, that is, under the condition that the first pin shaft 28 is not installed, the installation work of the spring plate pressing block 26 can be completed, and meanwhile, the coaxiality of the upper part 41 of the pressing block and the lower part 42 of the pressing block can be.

Example 5:

compared with embodiment 4, in this embodiment, the hinge seat is provided with the pre-hinge device, the pre-hinge device includes a boss 46 and a clamping groove 47, the clamping groove 47 is located at the hinge joint of the upper part 41 of the pressing block, the boss 46 is located at the hinge joint of the lower part 42 of the pressing block, and the pre-hinge of the upper part 41 of the pressing block and the lower part 42 of the pressing block is realized through the cooperation of the boss 46 and the clamping groove 47.

Example 6:

as shown in fig. 10 and 13, compared to embodiment 1, in this embodiment, the locking lever 27 is further provided with a pressing top block 48, the pressing top block 48 is located on one side of the latch 33, when the power is turned on, the communicating iron core 23 drives the spring piece pressing block 26 to rotate through the vertical fork slot 37, the latch 36 slides upwards along the latch slideway 35, and the latch 36 slides through the latch 33 and then instantly abuts against the pressing top block 48, so that the magnetic attraction plate 34 moves downwards to the lowest position through abutting against the pressing top block 48, and is more easily attracted and fixed by the holding iron core 21; that is, through the setting that compresses tightly kicking block 48 for hasp 36 can push magnetic attraction board 34 extra and certain angle of quick rotation, thereby make magnetic attraction board 34 can move to the lowest position, when power switch on, intercommunication iron core 23 returns and to draw the position of rotatory maximum angle with shell fragment briquetting 26 in the twinkling of an eye, hasp 36 is in proper order through hasp slide 35 and hasp 33 this moment, take place the butt with compressing tightly kicking block 48 at last, thereby make hasp 36 can push magnetic attraction board 34 extra certain angle of rotation and move to the lowest position after, can guarantee to maintain iron core 21 and adsorb magnetic attraction board 34 more easily under the effect of keeping coil 22.

Example 7:

in this embodiment, as shown in fig. 11, the synchronous pressure block 8 is further provided with an indication block 32, the indication block 32 is located on the upper portion of the synchronous pressure block 8, the color of the indication block 32 is red, and after the earth-leakage protector of the embodiment is mounted on the housing, the state of the earth-leakage protector can be judged through the indication block 32.

Example 8:

in this embodiment, as shown in fig. 10, a limiting baffle 49 is further disposed on the locking lever 27, the limiting baffle 49 is disposed at an end of the locking lever 27 and located at an upper portion of the communication device 6, and when the power is turned off, the limiting baffle 49 can abut against the upper portion of the communication device 6 to limit a rotation angle of the locking lever 27; specifically, when the power supply is turned off, the limit stop 49 may abut against the upper portion of the communication device 6 to limit the rotation angle of the lock lever 27, that is, the limit stop 49 abuts against the top surface of the upper portion of the communication device 6, so that the lock lever 27 can only rotate around the second pin 29 within a limited range after the power supply is turned off, and the influence on other portions is prevented

Example 9:

in this embodiment, as shown in fig. 10, still be equipped with clamp plate pinhole 51 on locking driving lever 27, magnetism is inhaled board 34 and is articulated through the cooperation of round pin axle and clamp plate pinhole 51, clamp plate pinhole 51 is located locking driving lever 27 upper portion, magnetism inhales board 34 promptly and is in the activity articulated state with locking driving lever 27, magnetism inhales board 34 and can rotate around the round pin axle in certain extent, can guarantee magnetism inhale board 34 can have the biggest area of contact when with the adsorbed contact of maintenance iron core 21, guarantee great adsorption affinity, the effectual life who improves the novel earth-leakage protector of dual-power.

Example 10:

in this embodiment, compared to embodiment 1, the first pin 16 is connected to the neutral wire, and the second pin 15 is connected to the live wire, specifically, the elastic piece 4 includes a first elastic piece 11, a second elastic piece 12, a third elastic piece 13, and a PE wire elastic piece 14, the first elastic piece 11, the second elastic piece 12, the third elastic piece 13, and the PE wire elastic piece 14 pass through the bottom of the communication maintaining device 5 and are clamped and fixed by the protector bottom plate 2 and the communication maintaining device 5, the connection terminal is set to be pin 3, the pin 3 includes a second pin 15, a first pin 16, a ground pin 17, and an auxiliary connection pin 20, the auxiliary connection pin 20 is electrically connected to the first pin 16, the first pin 16 is connected to the neutral wire, and the second pin 15 is connected to the live wire;

the top of the second pin 15, the top of the first pin 16, the top of the ground pin 17 and the top of the auxiliary connecting pin 20 are provided with an electric connecting contact 18, the end parts of the first elastic sheet 11, the second elastic sheet 12, the third elastic sheet 13 and the PE wire elastic sheet 14 are provided with elastic sheet contacts 19 corresponding to the electric connecting contact 18, one side pressure lever 38 can be used for pressing the first elastic sheet 11 to be communicated with the first pin 16, the other side pressure lever 38 can be used for pressing the third elastic sheet 13 to be communicated with the auxiliary connecting pin 20, and the synchronous pressure lever 39 can be used for pressing the second elastic sheet 12 to be communicated with the second pin 15 and simultaneously pressing the PE wire elastic sheet 14 to be communicated with the ground pin 17.

Example 11:

in this embodiment, compared to embodiment 2, the first pin 16 is connected to the neutral wire, and the second pin 15 is connected to the live wire, specifically, the elastic piece 4 includes a first elastic piece 11, a second elastic piece 12, and a third elastic piece 13, the first elastic piece 11, the second elastic piece 12, and the third elastic piece 13 pass through the bottom of the communication maintaining device 5 and are clamped and fixed by the protector bottom plate 2 and the communication maintaining device 5, the connection terminal is set as pin 3, the pin 3 includes a second pin 15, a first pin 16, a ground pin 17, and an auxiliary connection pin 20, the auxiliary connection pin 20 is electrically connected to the first pin 16, the first pin 16 is connected to the neutral wire, and the second pin 15 is connected to the live wire;

the top of the second pin 15, the top of the first pin 16 and the top of the auxiliary connecting pin 20 are provided with an electric connecting contact 18, the end parts of the first elastic sheet 11, the second elastic sheet 12 and the third elastic sheet 13 are provided with elastic sheet contacts 19 corresponding to the electric connecting contact 18, a side pressure lever 38 can be used for pressing the first elastic sheet 11 to be communicated with the first pin 16, a side pressure lever 38 can be used for pressing the third elastic sheet 13 to be communicated with the auxiliary connecting pin 20, a synchronous pressure lever 39 can be used for pressing the second elastic sheet 12 to be communicated with the second pin 15, and the PE wire and the ground wire pin 17 cannot be disconnected and keep connected.

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 (20)

1. A double-power novel leakage protector is characterized by comprising: the double-power leakage protector comprises protector devices (1), a protector bottom plate (2), a wiring terminal and an elastic sheet (4), wherein the two protector devices (1) are arranged on the upper part of the protector bottom plate (2) in parallel and are mounted on the wiring terminal on the protector bottom plate (2), and the protector devices (1) control the opening and closing of the double-power leakage protector;

the protector device (1) comprises a communication maintaining device (5), a communication device (6) and a locking device (7), wherein the locking device (7) is arranged between the communication maintaining device (5) and the communication device (6), and the locking device (7) is used for controlling the opening and closing of the elastic sheet (4) and the wiring terminal;

the locking device (7) comprises a spring plate pressing block (26) and a locking shifting rod (27), and a lock catch (33), a magnetic attraction plate (34) and a hasp slide way (35) are arranged on the locking shifting rod (27);

the spring plate pressing block (26) is provided with a hasp (36), a vertical fork groove (37), a shaft sleeve rotation driving block (52) and a side pressing rod (38), and the hasp (36) is used for being matched and abutted with the hasp (33);

a communicating iron core (23) extending transversely is arranged on the communicating device (6), and the communicating iron core (23) is in clamping fit with the vertical fork groove (37); the communication maintaining device (5) is provided with a maintaining iron core (21) which is longitudinally arranged, and the maintaining iron core (21) can be used for being matched with the magnetic suction plate (34) in a magnetic adsorption way;

a synchronous pressing block (8) is arranged between the elastic sheet pressing blocks (26) of the two protector devices (1) which are arranged in parallel, the two elastic sheet pressing blocks (26) and the synchronous pressing block (8) rotate coaxially, a synchronous pressing rod (39) is arranged at the bottom of the synchronous pressing block (8), shaft sleeve rotating abutting blocks (53) are arranged on two sides of the synchronous pressing block (8), a shaft sleeve rotating driving block (52) on the elastic sheet pressing block (26) is abutted with the shaft sleeve rotating abutting blocks (53) in a matched mode, and the elastic sheet pressing block (26) can drive the synchronous pressing block (8) to rotate synchronously through the matching of the shaft sleeve rotating driving block (52) and the shaft sleeve rotating abutting blocks (53);

when a power supply is switched on, at least one protector device (1) is powered on, the communicating iron core (23) drives the elastic sheet pressing block (26) to rotate through the vertical fork groove (37), so that the side pressing rod (38) positioned at the bottom of the elastic sheet pressing block (26) presses the elastic sheet (4) downwards, the elastic sheet pressing block (26) presses the synchronous pressing block (8) to synchronously rotate, the synchronous pressing rod (39) simultaneously presses the elastic sheet (4) downwards, meanwhile, the hasp (36) slides upwards along the hasp slide way (35), and in the process that the hasp (36) slides to be abutted against the hasp (33), the magnetic suction plate (34) continuously moves downwards, and the magnetic suction plate (34) is fixed through the maintaining iron core (21) in an adsorbing mode; the communication maintaining device (5) is used for fixing the position of the locking deflector rod (27), so that the elastic sheet pressing block (26) keeps a pressing state, and the elastic sheet (4) and the wiring terminal keep a connection state, and further circuit communication is realized;

when the power supply is disconnected, the communication maintaining device (5) stops working, the locking deflector rod (27) is released, and the lock catch (33) and the hasp (36) are tripped, so that the elastic sheet (4) is disconnected with the wiring terminal, and further the circuit is disconnected.

2. The dual-power novel earth leakage protector as claimed in claim 1, wherein the elastic sheet (4) comprises a first elastic sheet (11), a second elastic sheet (12), a third elastic sheet (13) and a PE wire elastic sheet (14), the first elastic sheet (11), the second elastic sheet (12), the third elastic sheet (13) and the PE wire elastic sheet (14) pass through the bottom of the communication maintaining device (5) and are clamped and fixed with the communication maintaining device (5) by the protector bottom plate (2), the connection terminal is provided as a pin (3), the pin (3) comprises a second pin (15), a first pin (16), a ground pin (17) and an auxiliary connection pin (20), the auxiliary connection pin (20) is electrically connected with the first pin (16), the first pin (16) is connected with the live wire, and the second pin (15) is connected with the neutral wire;

the top of the second pin (15), the top of the first pin (16), the top of the ground pin (17) and the top of the auxiliary connecting pin (20) are provided with an electric connection contact point (18), the end parts of the first elastic sheet (11), the second elastic sheet (12), the third elastic sheet (13) and the PE wire elastic sheet (14) are provided with elastic sheet contacts (19) corresponding to the electric connection contact point (18), a side pressure lever (38) can be used for pressing the first elastic sheet (11) to be communicated with the first pin (16), a side pressure lever (38) can be used for pressing the third elastic sheet (13) to be communicated with the auxiliary connecting pin (20), and a synchronous pressure lever (39) can be used for pressing the second elastic sheet (12) to be communicated with the second pin (15) and pressing the PE wire elastic sheet (14) to be communicated with the ground pin (17).

3. The dual-power novel earth-leakage protector as claimed in claim 1, wherein the elastic sheet (4) comprises a first elastic sheet (11), a second elastic sheet (12) and a third elastic sheet (13), the first elastic sheet (11), the second elastic sheet (12) and the third elastic sheet (13) pass through the bottom of the communication maintaining device (5) and are clamped and fixed with the communication maintaining device (5) by the protector base plate (2), the connecting terminal is provided as a pin (3), the pin (3) comprises a second pin (15), a first pin (16), a ground pin (17) and an auxiliary connecting pin (20), the auxiliary connecting pin (20) is electrically connected with the first pin (16), the first pin (16) is connected with the live wire, and the second pin (15) is connected with the neutral wire;

the top of the second pin (15), the top of the first pin (16) and the top of the auxiliary connecting pin (20) are provided with an electric connection contact point (18), the end parts of the first elastic sheet (11), the second elastic sheet (12) and the third elastic sheet (13) are provided with elastic sheet contacts (19) corresponding to the electric connection contact point (18), one side pressure lever (38) can be used for pressing the first elastic sheet (11) down to be communicated with the first pin (16), the other side pressure lever (38) can be used for pressing the third elastic sheet (13) down to be communicated with the auxiliary connecting pin (20), the synchronous pressure lever (39) can be used for pressing the second elastic sheet (12) down to be communicated with the second pin (15), and the PE wire and the ground wire pin (17) can not be disconnected and can be kept communicated.

4. The double-power novel earth-leakage protector as claimed in claim 1, characterized in that said locking deflector rod (27) is movably hinged to a second support (31) provided on said communicating means (6) by means of a second pin (29), and said striking plate pressing block (26) is movably hinged to a first support (30) provided at the middle position of said protector base plate (2) by means of a first pin (28).

5. A double power novel earth-leakage protector according to claim 4, characterized in that the spring plate press block (26) comprises a press block upper part (41) and a press block lower part (42), the hasp (36) and the vertical fork groove (37) are arranged on the upper part (41) of the pressing block, the lateral pressure rod (38) is arranged at the lower part (42) of the pressing block, the upper part (41) of the pressing block is hinged with the lower part (42) of the pressing block through a first pin shaft (28), a briquetting spring (43) in a compression state is arranged between the upper part (41) of the briquetting and the lower part (42) of the briquetting, when the side pressure rod (38) is in a butt joint state with the elastic sheet (4), the elastic force of the pressure block spring (43) can enable the side pressure rod (38) to keep stable acting force on the elastic sheet (4), the shaft sleeve rotation driving block (52) is arranged on a rotation shaft sleeve of the upper pressing block part (41) or the lower pressing block part (42).

6. The dual-power novel earth-leakage protector as claimed in claim 5, wherein a hinge seat is provided at a hinge point of the upper pressing block portion (41) and the lower pressing block portion (42), the first pin shaft (28) is inserted into the hinge seat, a limit stop (44) is further provided on the hinge seat, and the limit stop (44) is used for controlling an opening angle between the upper pressing block portion (41) and the lower pressing block portion (42) when the upper pressing block portion rotates around the first pin shaft (28).

7. A double-power leakage protector, as claimed in claim 1, wherein said communication maintaining device (5) and said communication device (6) are provided with wedge-shaped fastening pins (45) at the bottom, and said communication maintaining device (5) and said communication device (6) are fastened and fixed to said protector base plate (2) through said fastening pins (45), respectively.

8. The double-power novel earth-leakage protector as claimed in claim 1, characterized in that said communication device (6) further comprises a communication coil (24) and a communication spring (25), said communication coil (24) is fixed inside said communication device (6), and said communication spring (25) and said communication iron core (23) are horizontally arranged in the inner cavity of said communication coil (24).

9. The double-power novel earth-leakage protector as claimed in claim 1, wherein said communication maintaining device (5) further comprises an L-shaped metal plate (55) and a maintaining coil (22), said maintaining coil (22) is fixed inside said communication maintaining device (5), said maintaining iron core (21) is vertically fixed in the inner cavity of said maintaining coil (22); one end of the maintaining iron core (21) is fixedly connected with the bottom plate of the metal plate (55), and the side plate of the metal plate (55) and the other end of the maintaining iron core (21) are used for adsorbing and fixing the magnetic adsorption plate (34).

10. The double-power novel earth leakage protector as claimed in claim 6, wherein said hinge base is provided with a pre-hinge device, said pre-hinge device comprises a boss (46) and a clamping groove (47), said boss (46) is located at the hinge of said upper pressing block portion (41), said clamping groove (47) is located at the hinge of said lower pressing block portion (42), and the pre-hinge of said upper pressing block portion (41) and said lower pressing block portion (42) is realized by the cooperation of said boss (46) and clamping groove (47).

11. The double-power novel earth leakage protector as claimed in claim 6, wherein said hinge base is provided with a pre-hinge device, said pre-hinge device comprises a boss (46) and a clamping groove (47), said clamping groove (47) is located at the hinge of said upper pressing block portion (41), said boss (46) is located at the hinge of said lower pressing block portion (42), and the pre-hinge of said upper pressing block portion (41) and said lower pressing block portion (42) is realized by the cooperation of said boss (46) and clamping groove (47).

12. The double-power novel earth leakage protector as claimed in claim 1, wherein a pressing top block (48) is further provided on the locking lever (27), the pressing top block (48) is located on one side of the latch (33), when the power is turned on, the communicating iron core (23) drives the spring plate pressing block (26) to rotate through a vertical fork slot (37), the hasp (36) slides upwards along the hasp slide (35), and the hasp (36) slides through the latch (33) and then instantly abuts against the pressing top block (48), so that the magnetic attraction plate (34) moves downwards through abutting against the pressing top block (48) to be attracted and fixed by the holding iron core (21).

13. A double-power novel earth-leakage protector as claimed in claim 5, characterized in that the positions of the upper part (41) of the press block and the lower part (42) of the press block where the press block spring (43) is arranged are provided with spring grooves, and spring posts are further arranged in the spring grooves, and the spring grooves and the spring posts are used for installing the press block spring (43).

14. The double-power novel earth leakage protector as claimed in claim 1, wherein an indication block (32) is further arranged on the synchronization pressing block (8), the indication block (32) is arranged on the upper portion of the synchronization pressing block (8), and the color of the indication block (32) is red.

15. The double-power novel earth leakage protector as claimed in claim 1, wherein a limit baffle (49) is further arranged on the locking deflector rod (27), the limit baffle (49) is arranged at the end of the locking deflector rod (27) and is located at the upper part of the communication device (6), and when the power supply is disconnected, the limit baffle (49) can abut against the upper part of the communication device (6) so as to limit the rotation angle of the locking deflector rod (27).

16. The dual-power novel earth leakage protector as claimed in claim 2, wherein a bump (50) is disposed on the synchronization pressure lever (39) corresponding to the PE wire spring (14), and when the synchronization pressure lever (39) is pressed down, the bump (50) makes the PE wire spring (14) connect with the corresponding pin (3) before the first spring (11), the second spring (12) and the third spring (13); when the side pressure lever (38) is lifted, the lug (50) enables the PE wire elastic sheet (14) to be disconnected with the corresponding pin (3) after the first elastic sheet (11), the second elastic sheet (12) and the third elastic sheet (13).

17. The double-power novel earth leakage protector as claimed in claim 1, wherein the locking deflector rod (27) is further provided with a pressing plate pin hole (51), and the magnetic attraction plate (34) is hinged with the pressing plate pin hole (51) in a matching manner through a pin shaft.

18. A double power earth-leakage protector as claimed in claim 1, characterized in that said bushing rotary driving block (52) and said bushing rotary abutting block (53) are both open bushings.

19. The dual-power novel earth leakage protector as claimed in claim 1, wherein the elastic sheet (4) comprises a first elastic sheet (11), a second elastic sheet (12), a third elastic sheet (13) and a PE wire elastic sheet (14), the first elastic sheet (11), the second elastic sheet (12), the third elastic sheet (13) and the PE wire elastic sheet (14) pass through the bottom of the communication maintaining device (5) and are clamped and fixed with the communication maintaining device (5) by the protector base plate (2), the connection terminal is provided as a pin (3), the pin (3) comprises a second pin (15), a first pin (16), a ground pin (17) and an auxiliary connection pin (20), the auxiliary connection pin (20) is electrically connected with the first pin (16), the first pin (16) is connected with a zero line, and the second pin (15) is connected with a live line;

the top of the second pin (15), the top of the first pin (16), the top of the ground pin (17) and the top of the auxiliary connecting pin (20) are provided with an electric connection contact point (18), the end parts of the first elastic sheet (11), the second elastic sheet (12), the third elastic sheet (13) and the PE wire elastic sheet (14) are provided with elastic sheet contacts (19) corresponding to the electric connection contact point (18), a side pressure lever (38) can be used for pressing the first elastic sheet (11) to be communicated with the first pin (16), a side pressure lever (38) can be used for pressing the third elastic sheet (13) to be communicated with the auxiliary connecting pin (20), and a synchronous pressure lever (39) can be used for pressing the second elastic sheet (12) to be communicated with the second pin (15) and pressing the PE wire elastic sheet (14) to be communicated with the ground pin (17).

20. The dual-power novel earth-leakage protector as claimed in claim 1, wherein the elastic sheet (4) comprises a first elastic sheet (11), a second elastic sheet (12) and a third elastic sheet (13), the first elastic sheet (11), the second elastic sheet (12) and the third elastic sheet (13) pass through the bottom of the communication maintaining device (5) and are clamped and fixed with the communication maintaining device (5) by the protector base plate (2), the connecting terminal is provided as a pin (3), the pin (3) comprises a second pin (15), a first pin (16), a ground pin (17) and an auxiliary connecting pin (20), the auxiliary connecting pin (20) is electrically connected with the first pin (16), the first pin (16) is connected with a neutral wire, and the second pin (15) is connected with a live wire;

the top of the second pin (15), the top of the first pin (16) and the top of the auxiliary connecting pin (20) are provided with an electric connection contact point (18), the end parts of the first elastic sheet (11), the second elastic sheet (12) and the third elastic sheet (13) are provided with elastic sheet contacts (19) corresponding to the electric connection contact point (18), one side pressure lever (38) can be used for pressing the first elastic sheet (11) down to be communicated with the first pin (16), the other side pressure lever (38) can be used for pressing the third elastic sheet (13) down to be communicated with the auxiliary connecting pin (20), the synchronous pressure lever (39) can be used for pressing the second elastic sheet (12) down to be communicated with the second pin (15), and the PE wire and the ground wire pin (17) can not be disconnected and can be kept communicated.

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