CN108109888B - Leakage protector - Google Patents
Leakage protector Download PDFInfo
- Publication number
- CN108109888B CN108109888B CN201810087632.4A CN201810087632A CN108109888B CN 108109888 B CN108109888 B CN 108109888B CN 201810087632 A CN201810087632 A CN 201810087632A CN 108109888 B CN108109888 B CN 108109888B
- Authority
- CN
- China
- Prior art keywords
- communication
- spring
- iron core
- leakage protector
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Breakers (AREA)
Abstract
The invention discloses a leakage protector, which relates to the technical field of protection of electrical equipment, and comprises the following components: the device comprises a protector shell, a protector device, pins, a bottom plate and an elastic sheet; the protector device comprises a communication maintaining device, a communication device and a locking device; the locking device comprises an elastic piece pressing block and a locking deflector rod; the locking deflector rod is provided with a lock catch, a cross fork groove and a hasp slideway; the spring plate pressing block is provided with a pressing rod, a hasp and a vertical fork groove; the communication device is provided with a second iron core which transversely extends out and is in clamping fit with the vertical fork groove; the communication maintaining device is provided with a first iron core which longitudinally extends out and is in clamping fit with the cross fork groove; according to the invention, under the condition of maintaining the failure of the coil, the leakage protector is disconnected through the matching relation between the mechanical structures, so that the safety in the use process is greatly improved; meanwhile, the design of the hasp slideway and the spring enables the leakage protector to be stronger in reliability, and safety performance is further enhanced.
Description
Technical Field
The invention relates to the technical field of electrical equipment protection, in particular to a leakage protector.
Background
The leakage protector can timely disconnect the main circuit when equipment has leakage faults or needs to protect life electric shock with fatal danger, so that the leakage protector is widely applied; the leakage protector is mainly used for protecting the life of the equipment from electric shock when the equipment has leakage faults and has the functions of overload and short circuit protection, can be used for protecting the overload and short circuit of a circuit or a motor, and can also be used for starting the circuit without frequent conversion under normal conditions; if the current leakage protector is powered off in the working state, the current leakage protector is still in a closed state, and the current leakage protector can be powered off only under the condition of power on.
A leakage protector as disclosed in chinese patent No. CN 106602508A, which is connected between a power input terminal and a load output terminal, the leakage protector comprising: an insulating housing comprising an upper cover and a base and having a detachable input end and an output end to which wires are connected; a switch assembly disposed within the insulating housing and including a first switch communicating with a phase line path, a second switch communicating with a neutral path, and a third switch communicating with a ground path; the control assembly is arranged in the insulating shell and comprises a reset assembly, a test assembly and a core assembly, wherein the core assembly comprises a circuit board, a magnetic ring assembly and a tripping assembly which are arranged on the circuit board; the leakage protector disclosed by the invention is low in safety performance.
Disclosure of Invention
1. Technical problem to be solved
The invention aims at the defects existing in the prior art, and particularly provides a leakage protector which solves the problem that the leakage protector can be opened only under the condition of electrifying in the existing leakage protector.
2. Technical proposal
In order to solve the above technical problems, the present invention provides a leakage protector, comprising: the protector comprises a protector shell, a protector device, pins, a bottom plate and an elastic sheet, wherein the protector device is arranged at the upper part of the bottom plate and controls the opening and closing of the 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 opening and closing of the elastic sheet and the pins;
the locking device comprises a spring plate pressing block and a locking deflector rod, the locking deflector rod is movably hinged with a second support arranged on the communication device through a second pin shaft, and the spring plate pressing block is movably hinged with a first support arranged in the middle of the bottom plate through a first pin shaft; the locking deflector rod is provided with a lock catch, a cross fork groove and a hasp slideway; the spring plate pressing block is provided with a pressing rod, a hasp and a vertical fork groove;
the communication device is provided with a second iron core which transversely extends out and is in clamping fit with the vertical fork groove; the communication maintaining device is provided with a first iron core which longitudinally extends out and is in clamping fit with the cross fork groove;
when the power is on, the second iron core drives the spring plate pressing block to rotate through the vertical fork groove, so that a pressing rod positioned at the bottom of the spring plate pressing block presses down the spring plate, meanwhile, the hasp slides upwards along the hasp slideway, and in the process that the hasp slides to be abutted with the hasp, the transverse fork groove drives the first iron core to continuously move downwards; the communication maintaining device is used for fixing the position of the locking deflector rod, so that the spring plate pressing block is kept in a pressing state, and the spring plate and the pin are kept in a closed 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 are tripped, so that the elastic sheet is disconnected with the pin, and further circuit breaking is realized.
The locking deflector rod is further provided with an indicating block, the indicating block is located on the upper portion of the locking deflector rod, when the power supply is on, the indicating block moves into the observation window of the protector shell, and when the power supply is off, the indicating block moves out of the observation window of the protector shell.
The elastic pieces comprise a first elastic piece, a second elastic piece and PE wire elastic pieces, wherein the first elastic piece and the second elastic piece are fixed through elastic piece clamping grooves arranged on two sides of the communication maintaining device, and the PE wire elastic pieces penetrate through the bottom of the communication maintaining device and are clamped and fixed with the communication maintaining device through a bottom plate; the top of the pin is provided with an electric connection contact, the tail end of the spring plate is provided with a spring plate contact corresponding to the electric connection contact, and when the spring plate is pressed down by the pressure lever, the spring plate contact is contacted with the electric connection contact; the spring contact points on the first spring piece, the second spring piece and the PE wire spring piece can be disconnected with the electric connection contact points.
The elastic pieces comprise a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are fixed through elastic piece clamping grooves arranged on two sides of the communication maintaining device; the top of the pin is provided with an electric connection contact, the ends of the first elastic piece and the second elastic piece are provided with elastic piece contacts corresponding to the electric connection contact, and when the elastic piece is pressed down by the compression bar, the elastic piece contacts are contacted with the electric connection contact; the spring contact points on the first spring plate and the second spring plate can be disconnected with the electric connection contact point, and the PE wire cannot be disconnected and kept connected.
The bottom of the communication maintaining device and the bottom of the communication device are provided with wedge-shaped buckling feet, and the communication maintaining device and the communication device are respectively buckled and fixed with the bottom plate through the buckling feet.
The communication device further comprises a communication coil and a communication spring, wherein the communication coil is fixed inside the communication device, and the communication spring and the second iron core are sequentially and horizontally arranged in an inner cavity of the communication coil.
The communication maintaining device further comprises a maintaining coil and a third iron core, the maintaining coil is fixed inside the communication maintaining device, and the third iron core and the first iron core are vertically arranged in an inner cavity of the maintaining coil; one end of the third iron core is fixedly connected with the bottom of the communication maintaining device, and the other end of the third iron core is used for adsorbing the first iron core.
The locking device further comprises a spring, and the locking deflector rod and the communication device are respectively provided with a spring support used for installing the spring; the spring is used for providing additional thrust for the rotation of the locking deflector rod.
The second pin shaft comprises a sleeve part and a rotation shaft center, the sleeve part is arranged on the locking deflector rod, the rotation shaft center is arranged on the second support, the sleeve part is sleeved outside the rotation shaft center, and the locking deflector rod can rotate around the rotation shaft center through the sleeve part.
The indication block is red and more striking, and has a good reminding effect.
3. Advantageous effects
Compared with the prior art, the leakage protector provided by the invention can ensure that the leakage protector is disconnected through the matching relation between mechanical structures under the condition of maintaining the failure of the coil, so that the safety in the use process is greatly improved; meanwhile, the design of the hasp slideway and the spring enables the leakage protector to be stronger in reliability, and safety performance is further enhanced.
Drawings
FIG. 1 is an exploded view of embodiment 1 of the earth leakage protector of the present invention;
FIG. 2 is a perspective view of an embodiment 1 of the leakage protector according to the present invention;
FIG. 3 is a diagram showing the internal structure of the earth leakage protector in the power-off state of embodiment 1 of the present invention;
FIG. 4 is a view showing an internal structure of the earth leakage protector of embodiment 1 of the present invention in a power-on state;
FIG. 5 is a block diagram of a locking device of embodiment 1 of the earth leakage protector of the present invention;
FIG. 6 is a block diagram of a locking lever of embodiment 1 of the earth leakage protector of the present invention;
FIG. 7 is a block diagram of a spring press of embodiment 1 of the earth leakage protector according to the present invention;
FIG. 8 is an exploded view of embodiment 2 of the earth leakage protector of the present invention;
in the figure: 1 is a protector shell; 2 is a protector device; 3 is a pin; 4 is a bottom plate; 5 is an elastic sheet; 6 is a communication maintaining device; 7 is a communication device; 8 is a locking device; 8a is an elastic sheet pressing block; 8b is a locking deflector rod; 10 is a buckle leg; 11 is a spring; 15 is an observation window; 16 are electrical connection contacts; 21 is a first pin; 22 is a compression bar; 23 is a vertical fork groove; 24 is a hasp; 31 is a second pin; 32 is a spring support; 33 is a lock catch; 34 is a cross slot; 36 is a hasp slideway; 42 is an indication block; 43 is a first support; 51 is a spring contact; 52 is a first spring; 53 is a second spring; 54 is a PE wire spring sheet; 55 is a spring clip slot; 61 is a sustain coil; 62 is a first core; 63 is a third core; 64 is a second support; 71 is a communication coil; 72 is a second core; and 73 is a communication spring.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Example 1:
an embodiment of the present invention provides a leakage protector, as shown in fig. 1 and 2, including: the protector comprises a protector shell 1, a protector device 2, pins 3, a bottom plate 4 and an elastic sheet 5, wherein the protector device 2 is arranged at the upper part of the bottom plate 4, the protector device 2 controls the opening and closing of the leakage protector, and the pins 3 are arranged at the lower part of the bottom plate 4;
the protector device 2 comprises a communication maintaining device 6, a communication device 7 and a locking device 8, wherein the locking device 8 is arranged between the communication maintaining device 6 and the communication device 7 and is used for controlling the opening and closing of the elastic sheet 5 and the pin 3;
the locking device 8 comprises a spring plate pressing block 8a and a locking deflector rod 8b, the locking deflector rod 8b is movably hinged with a second support 64 arranged on the communication device 7 through a second pin shaft 31, and the spring plate pressing block 8a is movably hinged with a first support 43 arranged in the middle of the bottom plate 4 through a first pin shaft 21; the locking deflector rod 8b is provided with a lock catch 33, a cross fork groove 34 and a hasp slideway 36; the spring plate pressing block 8a is provided with a pressing rod 22, a hasp 24 and a vertical fork groove 23, and the positions of the first support 43 and the second support 64 can be adjusted according to different requirements of customers;
the communication device 7 is provided with a second iron core 72 which transversely extends, and the second iron core 72 is in clamping fit with the vertical fork groove 23; the communication maintaining device 6 is provided with a first iron core 62 which longitudinally extends, and the first iron core 62 is in clamping fit with the cross fork groove 34;
as shown in fig. 1, when the hasp 24 slides anticlockwise along the hasp slideway 36, the locking deflector rod 8b can continuously rotate clockwise, so that the situations that the cross fork groove 34 stops or jumps in the anticlockwise sliding process of the hasp 24 along the hasp slideway 36 are avoided, and the stop or jump affects the speed of the cross fork groove 34 for pressing down the first iron core 62, and the communication failure of the leakage protector is caused by too slow speed;
as shown in fig. 3 and fig. 4, when the power is turned on, the second iron core 72 drives the spring pressing block 8a to rotate through the vertical fork groove 23, so that the pressing rod 22 positioned at the bottom of the spring pressing block 8a presses down the spring 5, meanwhile, the hasp 24 slides upwards along the hasp slideway 36, and in the process that the hasp 24 slides to be abutted with the hasp 33, the horizontal fork groove 34 drives the first iron core 62 to continuously move downwards; the communication maintaining device 6 is used for fixing the position of the locking deflector rod 8b, so that the spring piece pressing block 8a is kept in a pressed state, the spring piece 5 and the pin 3 are kept in a closed state, and further, circuit communication is realized;
as shown in fig. 3 and 4, when the power is disconnected, the communication maintaining device 6 stops working, the locking deflector rod 8b is released, and the lock catch 33 and the lock catch 24 are tripped, so that the spring plate 5 is disconnected from the pin 3, and the circuit breaking is realized.
As shown in fig. 5, 6 and 7, the locking deflector rod 8b is further provided with an indicating block 42, the indicating block 42 is located at the upper part of the locking deflector rod 8b, when the power is on, the indicating block 42 moves into the observation window 15 of the protector housing 1, when the power is off, the indicating block 42 moves out of the observation window 15 of the protector housing 1, and the working state of the leakage protector can be well indicated by the indicating block 42; the indication block 42 is red in color, is more striking, and has a good reminding effect.
As shown in fig. 1, the elastic piece 5 includes a first elastic piece 52, a second elastic piece 53 and a PE wire elastic piece 54, where the first elastic piece 52 and the second elastic piece 53 are fixed by elastic piece clamping grooves 55 disposed at two sides of the communication maintaining device 6, and the PE wire elastic piece 54 passes through the bottom of the communication maintaining device 6 and is clamped and fixed by the bottom plate 4 and the communication maintaining device 6; three pins 3 of a zero line, a fire line and a PE line are arranged corresponding to the spring 5, an electric connection contact 16 is arranged at the top of each pin 3, a spring contact 51 corresponding to the electric connection contact 16 is arranged at the tail end of the spring 5, and when the spring 5 is pressed down by the compression bar 22, the spring contact 51 is contacted with the electric connection contact 16, so that the stability of circuit connection can be well ensured, and the problem of circuit connection in the use process is avoided; during use, the spring contact 51 on the PE wire spring 54 may be disconnected from the electrical connection contact 16 on the pin 3 connected to the PE wire.
As shown in fig. 1, wedge-shaped buckling legs 10 are arranged at the bottoms of the communication maintaining device 6 and the communication device 7, and the communication maintaining device 6 and the communication device 7 are respectively buckled and fixed with the bottom plate 4 through the buckling legs 10; the installation is simple and convenient, firm and reliable, the die can be directly utilized for die sinking, and the production cost is reduced.
As shown in fig. 1, the communication device 7 further includes a communication coil 71 and a communication spring 73, the communication coil 71 is fixed inside the communication device 7, the communication spring 73 and the second iron core 72 are sequentially and horizontally arranged in the inner cavity of the communication coil 71, when the power is disconnected, the elastic force of the communication spring 73 ejects the second iron core 72 and makes the elastic piece pressing block 8a rotate clockwise, at this time, the elastic force of the elastic piece 5 also makes the elastic piece pressing block 8a rotate clockwise, and then the compression bar 22 lifts up and releases the elastic piece 5; when the power is turned on, the communication coil 71 is energized, so that the second iron core 72 drives the spring piece pressing block 8a to rotate counterclockwise through the clamping connection with the vertical fork groove 23.
As shown in fig. 1, the communication maintaining device 6 further includes a maintaining coil 61 and a third iron core 63, the maintaining coil 61 is fixed inside the communication maintaining device 6, and the third iron core 63 and the first iron core 62 are vertically disposed in an inner cavity of the maintaining coil 61; one end of the third iron core 63 is fixedly connected with the bottom of the communication maintaining device 6, and the other end of the third iron core 63 is used for adsorbing the first iron core 62; when the power is turned on, the maintaining coil 61 is energized, the first iron core 62 is attracted by the third iron core 63, the hasp 24 and the hasp 33 are kept in an abutting state, and the leakage protector is in a communicating state; when the power is disconnected, the maintenance coil 61 is powered off, the first iron core 62 is released, the lock catch 33 and the lock catch 24 are released, the elastic piece 5 and the pin 3 are disconnected, and then the circuit breaking is realized.
As shown in fig. 1, the locking device 8 further comprises a spring 11, and the locking deflector rod 8b and the communication device 7 are respectively provided with a spring support 32, wherein the spring support 32 is used for installing the spring 11; by arranging the spring 11 between the locking deflector rod 8b and the communication device 7, when the power is turned on, the elastic force of the spring 11 is the thrust of clockwise rotation of the locking deflector rod 8b, so that the clockwise rotation speed of the locking deflector rod 8b is faster, namely the downward pressing speed of the first iron core 62 by the transverse fork groove 34 is faster, the first iron core 62 can be adsorbed by the electrified maintaining coil 61 in a short time, and the situation that the power is turned on and the leakage protector cannot be turned on is avoided; the spring support 32 may be provided on the base plate 4 according to different demands of customers.
In a specific implementation, as shown in fig. 5, the second pin shaft 31 includes a sleeve portion and a rotation shaft center, the sleeve portion is disposed on the locking lever 8b, the rotation shaft center is disposed on the second support 64, the sleeve portion is sleeved outside the rotation shaft center, and the locking lever 8b can rotate around the rotation shaft center through the sleeve portion; the sleeve part and the pivot of the second pin shaft 31 can well solve the problem that the leakage protector is likely to be worn between the second pin shaft 31 and the second support 64 due to frequent opening and closing actions in the actual use process; in a specific implementation, the first pin shaft 21 and the first support 43 adopt the same hinge structure, so that the service life of the leakage protector can be effectively ensured.
Example 2:
as shown in fig. 8, the elastic piece 5 includes a first elastic piece 52 and a second elastic piece 53, and the first elastic piece 52 and the second elastic piece 53 are fixed by elastic piece clamping grooves 55 provided at both sides of the communication maintaining device 6; the top of the pin 3 is provided with an electric connection contact 16, the ends of the first elastic piece 52 and the second elastic piece 53 are provided with elastic piece contacts 51 corresponding to the electric connection contact 16, and when the elastic piece 5 is pressed down by the pressing rod 22, the elastic piece contacts 51 are contacted with the electric connection contact 16; in this embodiment, the first elastic piece 52 and the second elastic piece 53 respectively correspond to the live wire pin and the neutral wire pin, and the PE wire elastic piece and the PE wire cannot be disconnected, so that the PE wire is kept in a continuous connected state.
In the practical operation process of the leakage protector, the leakage protector is connected into a circuit to be protected, when a power supply is connected, a communication coil 71 in a communication device 7 is electrified, a second iron core 72 is retracted, and as the second iron core 72 is clamped with a vertical fork groove 23 on an elastic piece pressing block 8a, the elastic piece pressing block 8a is driven to rotate when the second iron core 72 is retracted, a pressing rod 22 positioned at the bottom of the elastic piece pressing block 8a presses down the elastic piece 5, so that an electric connection contact 16 is in contact with the elastic piece contact 51 to form a passage, a hasp 24 is abutted with a lock catch 33, and at the moment, the first iron core 62 is adsorbed under the action of a maintenance coil 61, so that a transverse fork groove 34 is always in a pressed state, and the leakage protector maintains the circuit to be communicated; when the circuit is communicated, the red indication block 42 on the fork groove compression bar 14 moves to the position right below the observation window 15, so that the indication effect is achieved; when the circuit to be protected is in the condition of electric leakage or power failure, the communication maintaining device 6 stops working, the transverse fork groove 34 loses the downward pressure of the first iron core 62, the hasp 24 and the lock catch 33 are tripped, the elastic piece pressing block 8a does not press down the elastic piece 5, and the electric leakage protector is disconnected to achieve the purpose of protection.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. A leakage protector, characterized in that the leakage protector comprises: the electric leakage protector comprises a protector shell (1), a protector device (2), pins (3), a bottom plate (4) and an elastic sheet (5), wherein the protector device (2) is arranged on the upper part of the bottom plate (4), the protector device (2) controls the electric leakage protector to be opened and closed, and the pins (3) are arranged on the lower part of the bottom plate (4);
the protector device (2) comprises a communication maintaining device (6), a communication device (7) and a locking device (8), wherein the locking device (8) is arranged between the communication maintaining device (6) and the communication device (7) and is used for controlling the opening and closing of the elastic sheet (5) and the pin (3);
the locking device (8) comprises an elastic piece pressing block (8 a) and a locking deflector rod (8 b), the locking deflector rod (8 b) is movably hinged with a second support (64) arranged on the communication device (7) through a second pin shaft (31), and the elastic piece pressing block (8 a) is movably hinged with a first support (43) arranged in the middle of the bottom plate (4) through a first pin shaft (21); a lock catch (33), a cross fork groove (34) and a hasp slideway (36) are arranged on the locking deflector rod (8 b); the spring plate pressing block (8 a) is provided with a pressing rod (22), a hasp (24) and a vertical fork groove (23);
a second iron core (72) which transversely extends out is arranged on the communication device (7), and the second iron core (72) is in clamping fit with the vertical fork groove (23); a first iron core (62) extending longitudinally is arranged on the communication maintaining device (6), and the first iron core (62) is in clamping fit with the cross fork groove (34);
when the power is on, the second iron core (72) drives the spring plate pressing block (8 a) to rotate through the vertical fork groove (23), so that a pressing rod (22) positioned at the bottom of the spring plate pressing block (8 a) presses down the spring plate (5), meanwhile, the hasp (24) slides upwards along the hasp slideway (36), and in the process that the hasp (24) slides to be abutted with the lock catch (33), the horizontal fork groove (34) drives the first iron core (62) to continuously move downwards; the communication maintaining device (6) is used for fixing the position of the locking deflector rod (8 b), so that the elastic piece pressing block (8 a) is kept in a pressing state, and the elastic piece (5) and the pin (3) are kept in a connection state, and further circuit communication is realized;
when the power supply is disconnected, the communication maintaining device (6) stops working, the locking deflector rod (8 b) is released, and the lock catch (33) and the lock catch (24) are tripped, so that the elastic sheet (5) is disconnected from the pin (3), and further circuit breaking is realized.
2. The earth leakage protector according to claim 1, characterized in that the locking lever (8 b) is further provided with an indication block (42), the indication block (42) being located at the upper part of the locking lever (8 b), the indication block (42) moving into the viewing window (15) of the protector housing (1) when the power is on, the indication block (42) moving out of the viewing window (15) of the protector housing (1) when the power is off.
3. The earth leakage protector according to claim 1, characterized in that the spring plate (5) comprises a first spring plate (52), a second spring plate (53) and a PE wire spring plate (54), the first spring plate (52) and the second spring plate (53) are fixed by spring plate clamping grooves (55) arranged at both sides of the communication maintaining device (6), and the PE wire spring plate (54) passes through the bottom of the communication maintaining device (6) and is clamped and fixed by the bottom plate (4) and the communication maintaining device (6);
the pin (3) top is equipped with electric connection contact (16), first shell fragment (52), second shell fragment (53) and PE line shell fragment (54) tip all be equipped with electric connection contact (16) corresponding shell fragment contact (51), works as depression bar (22) will when shell fragment (5) were pushed down, shell fragment contact (51) with electric connection contact (16) contact, shell fragment contact (51) on first shell fragment (52), second shell fragment (53) and the PE line shell fragment (54) can with electric connection contact (16) disconnection.
4. The earth leakage protector according to claim 1, characterized in that the spring plate (5) comprises a first spring plate (52) and a second spring plate (53), the first spring plate (52) and the second spring plate (53) being fixed by spring plate clamping grooves (55) provided at both sides of the communication maintaining means (6);
an electric connection contact (16) is arranged at the top of the pin (3), spring contact (51) corresponding to the electric connection contact (16) is arranged at the end parts of the first spring piece (52) and the second spring piece (53), and when the spring piece (5) is pressed down by the pressing rod (22), the spring contact (51) is contacted with the electric connection contact (16); the spring contact (51) on the first spring (52) and the second spring (53) can be disconnected from the electric connection contact (16), and the PE wire can not be disconnected and kept connected.
5. The earth leakage protector according to claim 1, characterized in that the bottom parts of the communication maintaining device (6) and the communication device (7) are provided with wedge-shaped buckling feet (10), and the communication maintaining device (6) and the communication device (7) are respectively buckled and fixed with the bottom plate (4) through the buckling feet (10).
6. The earth leakage protector according to claim 1, characterized in that the communication device (7) further comprises a communication coil (71) and a communication spring (73), the communication coil (71) is fixed inside the communication device (7), and the communication spring (73) and the second iron core (72) are horizontally arranged in an inner cavity of the communication coil (71).
7. The earth leakage protector according to claim 1, characterized in that the communication maintaining means (6) further comprises a maintaining coil (61) and a third iron core (63), the maintaining coil (61) being fixed inside the communication maintaining means (6), the third iron core (63) and the first iron core (62) being vertically arranged in an inner cavity of the maintaining coil (61); one end of the third iron core (63) is fixedly connected with the bottom of the communication maintaining device (6), and the other end of the third iron core (63) is used for adsorbing the first iron core (62).
8. The earth leakage protector according to claim 1, characterized in that the locking device (8) further comprises a spring (11), and that the locking lever (8 b) and the communication device (7) are each provided with a spring support (32), the spring support (32) being adapted to mount the spring (11).
9. The earth leakage protector according to claim 1, characterized in that the second pin (31) comprises a sleeve portion and a pivot, the sleeve portion being provided on the locking lever (8 b), the pivot being provided on the second support (64), the sleeve portion being sleeved outside the pivot, and the locking lever (8 b) being rotatable around the pivot by the sleeve portion.
10. The earth leakage protector according to claim 2, characterized in that the indicator block (42) is red.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087632.4A CN108109888B (en) | 2018-01-30 | 2018-01-30 | Leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087632.4A CN108109888B (en) | 2018-01-30 | 2018-01-30 | Leakage protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108109888A CN108109888A (en) | 2018-06-01 |
| CN108109888B true CN108109888B (en) | 2023-10-03 |
Family
ID=62221341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810087632.4A Active CN108109888B (en) | 2018-01-30 | 2018-01-30 | Leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108109888B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119299B (en) * | 2018-09-19 | 2023-10-20 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
| CN108962697B (en) * | 2018-09-19 | 2023-10-03 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
| US11387065B2 (en) * | 2018-11-22 | 2022-07-12 | Yuyao Jiarong Electrical Appliance Co., Ltd | Leakage protector |
| CN114336184A (en) * | 2020-09-30 | 2022-04-12 | 余姚市嘉荣电子电器有限公司 | Leakage protection socket |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356415A (en) * | 2015-11-04 | 2016-02-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power off functions |
| CN205160039U (en) * | 2015-11-04 | 2016-04-13 | 余姚市嘉荣电子电器有限公司 | Be provided with earth -leakage protector of automatic power supply and outage function |
| KR101629732B1 (en) * | 2015-12-29 | 2016-06-24 | 주식회사 전진이엔지 | Distributing pannel for underground wired electrical line of short circuit |
| CN106025721A (en) * | 2016-06-17 | 2016-10-12 | 佛山市顺德区信辉达电子有限公司 | Three-pole power-off and leakage protection plug |
| WO2017076179A1 (en) * | 2015-11-04 | 2017-05-11 | 余姚市嘉荣电子电器有限公司 | Leakage protector having automatic power supply and power failure functions |
| WO2017076198A1 (en) * | 2015-11-04 | 2017-05-11 | 余姚市嘉荣电子电器有限公司 | Leakage protector with functions of automatic power supply and power outage |
| CN207993788U (en) * | 2018-01-30 | 2018-10-19 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
-
2018
- 2018-01-30 CN CN201810087632.4A patent/CN108109888B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356415A (en) * | 2015-11-04 | 2016-02-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power off functions |
| CN205160039U (en) * | 2015-11-04 | 2016-04-13 | 余姚市嘉荣电子电器有限公司 | Be provided with earth -leakage protector of automatic power supply and outage function |
| WO2017076179A1 (en) * | 2015-11-04 | 2017-05-11 | 余姚市嘉荣电子电器有限公司 | Leakage protector having automatic power supply and power failure functions |
| WO2017076198A1 (en) * | 2015-11-04 | 2017-05-11 | 余姚市嘉荣电子电器有限公司 | Leakage protector with functions of automatic power supply and power outage |
| KR101629732B1 (en) * | 2015-12-29 | 2016-06-24 | 주식회사 전진이엔지 | Distributing pannel for underground wired electrical line of short circuit |
| CN106025721A (en) * | 2016-06-17 | 2016-10-12 | 佛山市顺德区信辉达电子有限公司 | Three-pole power-off and leakage protection plug |
| CN207993788U (en) * | 2018-01-30 | 2018-10-19 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108109888A (en) | 2018-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108109888B (en) | Leakage protector | |
| EP3657525B1 (en) | Leakage protector | |
| CN112908791B (en) | Intelligent circuit breaker | |
| CN102709131A (en) | Double-mechanism super-small 1P plus N electric leakage circuit breaker | |
| CN112466726A (en) | Circuit breaker | |
| CN107863279B (en) | Circuit breaker | |
| CN102610450B (en) | Socket-type grounded faulty line breaker | |
| CN108288785B (en) | Tripolar on-off leakage protection plug | |
| CN104409292B (en) | Residual current circuit breaker | |
| CN108962697B (en) | Leakage protector | |
| CN211907362U (en) | Separated leakage protector | |
| CN102891050B (en) | Socket type ground fault circuit interrupter | |
| CN111326366A (en) | Fault arc protection circuit breaker with double tripper and tripping method thereof | |
| CN201490129U (en) | New tripping mechanism of grounding failure breaker | |
| CN212848269U (en) | Maintenance type earth leakage protector | |
| CN211016974U (en) | Circuit breaker | |
| CN109119299B (en) | Leakage protector | |
| CN215299169U (en) | Rotary maintaining type leakage protector | |
| CN207947243U (en) | A kind of control and protective switching device | |
| CN107644790B (en) | Leakage protector | |
| CN116206931A (en) | Silent leakage protector | |
| CN111740337B (en) | Circuit breaker binding post locking release mechanism | |
| CN212136373U (en) | Small-size electric leakage circuit breaker electric leakage dropout instruction self-lock device | |
| CN219800774U (en) | Residual current protection circuit breaker and charging pile | |
| CN211629020U (en) | Separated permanent-magnet leakage protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |