CN109119299B - Leakage protector - Google Patents
Leakage protector Download PDFInfo
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- CN109119299B CN109119299B CN201811092277.6A CN201811092277A CN109119299B CN 109119299 B CN109119299 B CN 109119299B CN 201811092277 A CN201811092277 A CN 201811092277A CN 109119299 B CN109119299 B CN 109119299B
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- pressing block
- spring
- pressing
- leakage protector
- spring plate
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- 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
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- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (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 protector device is arranged at the upper part of the bottom plate, and an electric connection contact is also arranged on the bottom plate; the protector device comprises a circuit breaking control device, a communication device and a locking device, wherein the locking device is arranged between the circuit breaking control device and the communication device; the locking device comprises an elastic piece pressing block and a locking deflector rod; the spring plate pressing block comprises a pressing block upper part and a pressing block lower part, a hasp and a vertical fork groove are arranged on the pressing block upper part, a pressing rod is arranged on the pressing block lower part, the pressing block upper part is hinged with the pressing block lower part through a first pin shaft, and a pressing block spring in a compressed state is arranged between the pressing block upper part and the pressing block lower part; the pressing rod at the lower part of the pressing block can apply stable pressing force to the elastic sheet by adopting the pressing block spring, and the pressing force of the pressing rod at the lower part of the pressing block to the elastic sheet can be ensured by the elastic force of the pressing block spring after mechanical abrasion is generated due to long-time use in the follow-up process.
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; the existing leakage protector has the problem of shorter service life due to the abrasion of mechanical parts.
The leakage protector with automatic power supply and power failure functions as disclosed in Chinese patent No. 106057593A comprises a shell, pins, elastic sheets and a self-locking device, wherein the pins, the elastic sheets and the self-locking device are all positioned in the shell; the pin and the spring plate are respectively provided with a pin contact and a spring plate contact which can be mutually closed; the self-locking device comprises a transverse baffle block hinged with the pin seat, a tripping seat with a tripping relay, a reset seat with the tripping relay and a self-locking rod hinged with the tripping seat. When the power supply is restored, the reset push rod of the tripping relay controls the transverse baffle block to rotate anticlockwise relative to the pin seat, so that the lower pressing end presses the elastic sheet downwards and contacts the elastic sheet contact with the pin contact to realize electrifying; when the power supply is powered off, the tripping push rod of the tripping relay controls the self-locking rod to rotate along the pointer relative to the tripping seat so that the locking notch is separated from the locking end to release the movable restriction on the pressing end when the lock catch is locked, and the spring contact can be separated from the pin contact to realize power off; the leakage protector disclosed by the invention has the problem that vibration is large in the working process, and the vibration in the working process cannot be effectively eliminated, so that the service life of the leakage protector is influenced.
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 elastic sheet and the pin are not closed in place due to the fact that the mechanical structure part of the existing leakage protector is easy to wear, and also solves the problem that the service life of the existing leakage protector is short due to the fact that the mechanical structure part of the existing leakage protector is easy to wear.
2. Technical proposal
In order to solve the above technical problems, the present invention provides a leakage protector, comprising: the protector device is arranged at the upper part of the bottom plate, and is used for controlling the opening and closing of the leakage protector, and an electric connection contact is also arranged on the bottom plate;
the protector device comprises a circuit breaking control device, a communication device and a locking device, wherein the locking device is arranged between the circuit breaking control device and the communication device and is used for controlling the opening and closing of the elastic sheet and the electric connection contact;
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 circuit breaking control 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 and a cross fork groove;
the spring plate pressing block comprises a pressing block upper part and a pressing block lower part, a hasp and a vertical fork groove are arranged on the pressing block upper part, a pressing rod is arranged on the pressing block lower part, the pressing block upper part is hinged with the pressing block lower part through a first pin shaft, a pressing block spring in a compressed state is arranged between the pressing block upper part and the pressing block lower part, when the pressing rod is in an abutting state with the spring plate, the elastic force of the pressing block spring can enable the pressing rod to keep stable acting force on the spring plate, and the hasp is in abutting fit with the hasp;
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 circuit breaking control device is provided with a first iron core which longitudinally extends out and is matched with the cross fork groove in a clamping way.
The hinge seat is arranged at the hinge position of the upper part of the pressing block and the lower part of the pressing block, the first pin shaft penetrates through the hinge seat, the hinge seat is further provided with a limit stop (12), and the limit stop (12) 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 first pin shaft is used as an axis for rotation.
Wherein, be equipped with the articulated device in advance on the articulated seat, the articulated device in advance includes boss and joint recess, and the boss is located the articulated department on briquetting upper portion, and the joint recess is located the articulated department of briquetting lower part, through the cooperation of boss and joint recess, realizes the articulated in advance of briquetting upper portion and briquetting lower part.
Wherein, be equipped with the articulated device in advance on the articulated seat, the articulated device in advance includes boss and joint recess, and the joint recess is located the articulated department on briquetting upper portion, and the boss is located the articulated department of briquetting lower part, through the cooperation of boss and joint recess, realizes the articulated in advance of briquetting upper portion and briquetting lower part.
The leakage protector further comprises pins, the pins are arranged on the lower portion of the bottom plate, and the electric connection contacts are fixed on the tops of the pins.
The upper part of the pressing block and the lower part of the pressing block are provided with spring grooves corresponding to the pressing block springs, and the spring grooves are used for installing the pressing block springs.
And a spring column is further arranged in the spring groove and used for installing a pressing block spring.
The tail end of the spring plate is provided with a spring plate contact corresponding to the electric connection contact.
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 circuit breaking control device, and the PE wire elastic pieces penetrate through the bottom of the circuit breaking control device and are clamped and fixed with the circuit breaking control device through a bottom plate; when the spring plate is pressed down by the pressing rod, the spring plate contact contacts with the electric connection contact, and the spring plate contacts on the first spring plate, the second spring plate and the PE wire spring plate can be disconnected with the electric connection contact.
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 circuit breaking control device; when the spring plate is pressed down by the pressing rod, the spring plate contact is 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.
3. Advantageous effects
Compared with the prior art, the leakage protector provided by the invention has the advantages that the upper part of the pressing block and the lower part of the pressing block are combined to form the elastic block by adopting the pressing block spring to connect, so that the elastic block is not only carried out by virtue of a fixed and limited mechanical structure in the process of pressing the elastic block, the pressing rod at the lower part of the pressing block can apply stable pressing force to the elastic block by adopting the pressing block spring, and after mechanical abrasion is generated in the follow-up process due to long-time use, the opening angle between the upper part of the pressing block and the lower part of the pressing block by taking the first pin shaft as the axis is enlarged by adopting the elasticity of the pressing block spring, so that the pressing force of the pressing rod at the lower part of the pressing block to the elastic block is ensured, and the electric connection in the leakage protector is stable and reliable.
Drawings
FIG. 1 is an exploded view of the earth leakage protector of the present invention;
FIG. 2 is a perspective view of the spring plate press block of the leakage protector of the present invention shown in FIG. 1;
FIG. 3 is a perspective view of the spring plate press block of the leakage protector of the present invention;
in the figure: 1 is an electrical connection contact; 3 is a pin; 4 is a bottom plate; 5 is an elastic sheet; 6 is a circuit breaking control device; 7 is a communication device; 8 is a locking device; 8a is an elastic sheet pressing block; 8b is a locking deflector rod; 8c is the upper part of the pressing block; 8d is the lower part of the pressing block; 9 is a pressing block spring; 10 is a boss; 11 is a clamping groove; 12 is a limit stop; 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; 33 is a lock catch; 34 is a cross slot; 41 is PE wire spring sheet; 42 is a spring clip slot; 43 is a first support; 61 is a shrapnel contact; 62 is a first core; 63 is a second core; 64 is a second mount.
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:
as shown in fig. 1, 2 and 3, a leakage protector according to an embodiment of the present invention includes: the protector device is arranged at the upper part of the bottom plate 4, and controls the opening and closing of the leakage protector, and the bottom plate 4 is also provided with an electric connection contact 1;
the protector device comprises a circuit breaking control device 6, a communicating device 7 and a locking device 8, wherein the locking device 8 is arranged between the circuit breaking control device 6 and the communicating device 7, and the locking device 8 is used for controlling the opening and closing of the elastic sheet 5 and the electric connection contact 1;
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 circuit breaking control device 6 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 and a cross fork groove 34;
the spring plate pressing block 8a comprises a pressing block upper part 8c and a pressing block lower part 8d, a hasp 24 and a vertical fork groove 23 are arranged on the pressing block upper part 8c, a pressing rod 22 is arranged on the pressing block lower part 8d, the pressing block upper part 8c is hinged with the pressing block lower part 8d through a first pin shaft 21, a pressing block spring 9 in a compressed state is arranged between the pressing block upper part and the pressing block lower part, when the pressing rod 22 is in an abutting state, namely in a circuit communicating state, the elastic force of the pressing block spring can enable the pressing rod 22 to keep stable acting force on the spring plate 5, the hasp 24 is in matched abutting connection with the hasp 33, 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 63 which transversely extends, and the second iron core 63 is in clamping fit with the vertical fork groove 23; the circuit breaking control 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. 2 and 3, hinge seats are respectively arranged at the hinge positions of the upper part and the lower part of the pressing block, and the first pin shaft 21 penetrates through the hinge seats, so that the upper part and the lower part of the pressing block can rotate around the first pin shaft 21, a limit stop 12 is further arranged on the hinge seats, the limit stop 12 is used for controlling the opening angle between the upper part 8c and the lower part 8d of the pressing block when the first pin shaft 21 is used as the axis, namely, the rotation angle of the upper part 8c and the lower part 8d of the pressing block around the first pin shaft 21 is within a certain range, and meanwhile, the elastic pressing block 8a can not be automatically disassembled after being assembled due to the elastic force of the pressing block spring 9 after the assembly is completed, so that the upper part 8c and the lower part 8d of the pressing block can be limited.
The position of briquetting upper portion and briquetting lower part correspondence briquetting spring 9 all is equipped with the spring groove, and the spring groove is used for installing briquetting spring 9, also can guarantee simultaneously that briquetting spring can not drop, installs more simple and convenient, still is equipped with the spring post in the spring groove, and the spring post is used for installing briquetting spring 9, and briquetting spring 9 suit is on the spring post, strengthens the fixed effect of installation.
The leakage protector further comprises a pin 3, the pin 3 is arranged at the lower part of the bottom plate 4, the electric connection contact 1 is fixed at the top of the pin 3, and the tail end of the spring 5 is provided with a spring contact 61 corresponding to the electric connection contact 1.
As shown in fig. 1, wedge-shaped buckling legs are arranged at the bottoms of the circuit breaking control device 6 and the communication device 7, and the circuit breaking control device 6 and the communication device 7 are respectively buckled and fixed with the bottom plate 4 through the buckling legs; 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 spring 5 includes a first spring, a second spring and a PE wire spring 41, where the first spring and the second spring are fixed by spring slots 42 disposed on two sides of the circuit breaking control device 6, the PE wire spring 41 passes through the bottom of the circuit breaking control device 6 and is clamped and fixed by the bottom plate 4 and the circuit breaking control device 6, and the pin 3 includes a zero wire pin, a live wire pin and a PE wire pin, where the zero wire pin, the live wire pin and the PE wire pin correspond to the first spring, the second spring and the PE wire spring 41 respectively; when the pressing lever 22 presses down the spring 5, the spring contact 61 contacts the electrical connection contact 1, and after the pressing lever 22 is lifted up, the spring contact 61 on the first spring, the second spring and the PE wire spring 41 can be disconnected from the electrical connection contact 1.
Example 2:
as shown in fig. 3, compared with embodiment 1, the hinge seat is provided with a pre-hinge device, the pre-hinge device comprises a boss 10 and a clamping groove 11, the boss 10 is located at the hinge position of the upper part 8c of the pressing block, the clamping groove 11 is located at the hinge position of the lower part 8d of the pressing block, the pre-hinge of the upper part 8c of the pressing block and the lower part 8d of the pressing block is realized through the cooperation of the boss 10 and the clamping groove 11, namely, under the condition that the first pin shaft 21 is not installed, the installation work of the elastic sheet pressing block 8a can be completed, meanwhile, the coaxiality of the upper part 8c of the pressing block and the lower part 8d of the pressing block can be further ensured through the design, the abrasion can be reduced, and the whole installation is simpler and more convenient.
Example 3:
compared with embodiment 2, the boss 10 is located at the hinged position of the lower part 8d of the pressing block, and the cooperation of the boss 10 and the clamping groove 11 realizes the pre-hinging of the upper part 8c of the pressing block and the lower part 8d of the pressing block.
Example 4:
compared to embodiment 1, in embodiment 4, the spring 5 includes a first spring and a second spring, which are fixed by spring clamping grooves 42 disposed at two sides of the circuit breaking control device 6; when the spring piece 5 is pressed down by the pressing rod 22, the spring piece contact 61 is contacted with the electric connection contact 1; and after the pressure lever 22 is lifted, the spring contact 61 on the first spring and the second spring can be disconnected from the electrical connection contact 1, and the PE line in this embodiment cannot be disconnected and keeps continuously connected.
In the actual working and use process, the leakage protector is connected into a circuit to be protected, when a power supply is connected, a communication coil in the communication device 7 is electrified, the second iron core 63 is retracted, and as the second iron core 63 is clamped with the vertical fork groove 23 on the spring plate pressing block 8a, the spring plate pressing block 8a is driven to rotate anticlockwise when the second iron core 63 is retracted, the spring plate 5 is pressed down by the pressure lever 22 positioned at the bottom of the spring plate pressing block 8a, the electric connection contact 1 is in contact with the spring plate contact 61 to form a passage, and meanwhile, the hasp 24 is abutted with the lock catch 33 to realize self-locking of the leakage protector; when the circuit to be protected encounters an electric leakage condition, the circuit breaking device 6 starts to work, the first iron core 62 is retracted, and the hasp 24 and the lock catch 33 are tripped due to the clamping connection of the first iron core 62 and the cross fork groove 34 on the locking deflector rod 8b, so that the compression bar 22 is lifted and the elastic sheet 5 is released, the electric leakage protector is disconnected, and the protection purpose is achieved.
The spring press block of the present invention can also be applied to a leakage protector having other similar opening and closing structures, such as one disclosed in publication number CN 108109888A.
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 device, a bottom plate (4) and an elastic sheet (5), wherein the protector device is arranged at the upper part of the bottom plate (4) and is used for controlling the electric leakage protector to be opened and closed, and an electric connection contact (1) is further arranged on the bottom plate (4);
the protector device comprises a circuit breaking control device (6), a communicating device (7) and a locking device (8), wherein the locking device (8) is arranged between the circuit breaking control device (6) and the communicating device (7), and the locking device (8) is used for controlling the opening and closing of the elastic sheet (5) and the electric connection contact (1);
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) through a second pin shaft (31), the second support (64) is arranged on the circuit breaking control device (6), 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) and a cross fork groove (34) are arranged on the locking deflector rod (8 b);
the spring plate pressing block (8 a) comprises a pressing block upper portion (8 c) and a pressing block lower portion (8 d), a hasp (24) and a vertical fork groove (23) are arranged on the pressing block upper portion (8 c), a pressing rod (22) is arranged on the pressing block lower portion (8 d), the pressing block upper portion (8 c) is hinged to the pressing block lower portion (8 d) through a first pin shaft (21), a pressing block spring (9) in a compressed state is arranged between the pressing block upper portion (8 c) and the pressing block lower portion (8 d), and when the pressing rod (22) is in an abutting state with the spring plate (5), the elastic force of the pressing block spring (9) can enable the pressing rod (22) to keep a stable acting force on the spring plate (5), and the hasp (24) is used for being in matched abutting connection with the hasp (33);
a second iron core (63) which transversely extends out is arranged on the communication device (7), and the second iron core (63) is in clamping fit with the vertical fork groove (23); the circuit breaking control device (6) is provided with a first iron core (62) extending longitudinally, and the first iron core (62) is in clamping fit with the cross fork groove (34).
2. The leakage protector according to claim 1, wherein a hinge seat is provided at a hinge position of the upper part (8 c) of the pressing block and the lower part (8 d) of the pressing block, the first pin shaft (21) is inserted into the hinge seat, a limit stop (12) is further provided on the hinge seat, and the limit stop (12) is used for controlling an opening angle between the upper part (8 c) of the pressing block and the lower part (8 d) of the pressing block when the pressing block rotates with the first pin shaft (21) as an axis.
3. The leakage protector according to claim 2, characterized in that the hinging seat is provided with a pre-hinging device, the pre-hinging device comprises a boss (10) and a clamping groove (11), the boss (10) is positioned at the hinging position of the upper part (8 c) of the pressing block, the clamping groove (11) is positioned at the hinging position of the lower part (8 d) of the pressing block, and the pre-hinging of the upper part (8 c) of the pressing block and the lower part (8 d) of the pressing block is realized through the cooperation of the boss (10) and the clamping groove (11).
4. The earth leakage protector according to claim 2, characterized in that the hinging seat is provided with a pre-hinging device, the pre-hinging device comprises a boss (10) and a clamping groove (11), the clamping groove (11) is positioned at the hinging position of the upper part (8 c) of the pressing block, the boss (10) is positioned at the hinging position of the lower part (8 d) of the pressing block, and the pre-hinging of the upper part (8 c) of the pressing block and the lower part (8 d) of the pressing block is realized through the cooperation of the boss (10) and the clamping groove (11).
5. The earth leakage protector according to claim 1, characterized in that it further comprises pins (3), said pins (3) being arranged in the lower part of the base plate (4), said electrical connection contacts (1) being fixed on top of said pins (3).
6. The earth leakage protector according to claim 1, characterized in that the press block upper part (8 c) and the press block lower part (8 d) are provided with spring grooves at positions corresponding to the press block springs (9), said spring grooves being used for mounting the press block springs (9).
7. The earth leakage protector according to claim 6, characterized in that a spring post is also provided in the spring groove, which spring post is used for mounting the pressure piece spring (9).
8. The earth leakage protector according to claim 1, characterized in that the terminal of the spring (5) is provided with a spring contact (61) corresponding to the electrical connection contact (1).
9. The earth leakage protector according to claim 8, characterized in that the spring plate (5) comprises a first spring plate, a second spring plate and a PE wire spring plate (41), the first spring plate and the second spring plate are fixed by spring plate clamping grooves (42) arranged at two sides of the circuit breaking control device (6), and the PE wire spring plate (41) passes through the bottom of the circuit breaking control device (6) and is clamped and fixed with the circuit breaking control device (6) by the bottom plate (4); when the spring piece (5) is pressed down by the pressing rod (22), the spring piece contact (61) is in contact with the electric connection contact (1), and the spring piece contact (61) on the first spring piece, the second spring piece and the PE wire spring piece (41) can be disconnected with the electric connection contact (1).
10. The earth leakage protector according to claim 8, characterized in that the spring plate (5) comprises a first spring plate and a second spring plate, which are fixed by spring plate clamping grooves (42) provided at both sides of the circuit breaking control device (6); when the spring piece (5) is pressed down by the pressing rod (22), the spring piece contact (61) is contacted with the electric connection contact (1); the elastic sheet contacts (61) on the first elastic sheet and the second elastic sheet can be disconnected with the electric connection contact (1), and the PE wire cannot be disconnected and kept connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092277.6A CN109119299B (en) | 2018-09-19 | 2018-09-19 | Leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092277.6A CN109119299B (en) | 2018-09-19 | 2018-09-19 | Leakage protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109119299A CN109119299A (en) | 2019-01-01 |
| CN109119299B true CN109119299B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811092277.6A Active CN109119299B (en) | 2018-09-19 | 2018-09-19 | Leakage protector |
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| CN (1) | CN109119299B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767955B (en) * | 2019-03-12 | 2020-07-10 | 杭州汉莱电器有限公司 | Self-locking leakage protector |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201266584Y (en) * | 2008-09-09 | 2009-07-01 | 张建方 | Creepage breaker |
| CN202076628U (en) * | 2011-06-24 | 2011-12-14 | 浙江中讯电子有限公司 | Leakage protection plug |
| CN102347566A (en) * | 2011-06-24 | 2012-02-08 | 浙江中讯电子有限公司 | Leakage protection plug |
| CN103824734A (en) * | 2014-03-13 | 2014-05-28 | 科都电气有限公司 | Electric leakage protector |
| CN204834533U (en) * | 2015-08-19 | 2015-12-02 | 北京金雨科创自动化技术有限公司 | Leakage protection switch |
| CN105337254A (en) * | 2015-11-04 | 2016-02-17 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power failure functions |
| WO2017185933A1 (en) * | 2016-04-27 | 2017-11-02 | 乐清市也为电气有限公司 | Movable contact operating mechanism of leakage circuit breaker |
| WO2018014504A1 (en) * | 2016-07-19 | 2018-01-25 | 中山市开普电器有限公司 | Current leakage protector |
| CN107644790A (en) * | 2017-10-24 | 2018-01-30 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
| CN108109888A (en) * | 2018-01-30 | 2018-06-01 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
| CN208908207U (en) * | 2018-09-19 | 2019-05-28 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
-
2018
- 2018-09-19 CN CN201811092277.6A patent/CN109119299B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201266584Y (en) * | 2008-09-09 | 2009-07-01 | 张建方 | Creepage breaker |
| CN202076628U (en) * | 2011-06-24 | 2011-12-14 | 浙江中讯电子有限公司 | Leakage protection plug |
| CN102347566A (en) * | 2011-06-24 | 2012-02-08 | 浙江中讯电子有限公司 | Leakage protection plug |
| CN103824734A (en) * | 2014-03-13 | 2014-05-28 | 科都电气有限公司 | Electric leakage protector |
| CN204834533U (en) * | 2015-08-19 | 2015-12-02 | 北京金雨科创自动化技术有限公司 | Leakage protection switch |
| CN105337254A (en) * | 2015-11-04 | 2016-02-17 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power failure functions |
| WO2017185933A1 (en) * | 2016-04-27 | 2017-11-02 | 乐清市也为电气有限公司 | Movable contact operating mechanism of leakage circuit breaker |
| WO2018014504A1 (en) * | 2016-07-19 | 2018-01-25 | 中山市开普电器有限公司 | Current leakage protector |
| CN107644790A (en) * | 2017-10-24 | 2018-01-30 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
| CN108109888A (en) * | 2018-01-30 | 2018-06-01 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
| CN208908207U (en) * | 2018-09-19 | 2019-05-28 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
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|---|---|
| CN109119299A (en) | 2019-01-01 |
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