CN217306891U

CN217306891U - Leakage protection socket

Info

Publication number: CN217306891U
Application number: CN202221138572.2U
Authority: CN
Inventors: 王昶方; 杨建锋
Original assignee: Lishui Sanmeng Electric Technology Co ltd
Current assignee: Lishui Sanmeng Electric Technology Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-26
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses an earth leakage protection socket, including base and cap, the base is provided with the mounting groove along self direction of height, the tank bottom department of mounting groove is provided with the PCB board, the left end of the up end of PCB board is provided with the magnetic ring subassembly, the right-hand member of the up end of PCB board is provided with the coil pack, the middle part of the up end of PCB board is provided with earth leakage protection device, the notch department of mounting groove is provided with the protecting frame, the bottom surface and the magnetic ring subassembly of protecting frame, the coil pack, earth leakage protection subassembly looks butt, the top of protecting frame is provided with the wiring support, both ends are provided with the wiring hole with the junction of protecting frame about the wiring support, the one side of arranging in the orientation mounting groove in every wiring hole at the top of wiring support is provided with the wiring frame, all be provided with the jack of working a telephone switchboard in every wiring frame.

Description

Leakage protection socket

Technical Field

The utility model relates to a socket technical field, concretely relates to earth leakage protection socket.

Background

The socket is also called as a power socket and a switch socket. A socket is a receptacle into which one or more circuit connections can be inserted, through which various connections can be inserted, thus facilitating the connection to other circuits. The connection and disconnection between the circuit and the copper piece are realized to finally achieve the connection and disconnection of the part of the circuit.

At present, because of the lack of protection, the electric elements of the leakage protection socket between the openings of the PCB and the base are easily extruded to the top opening of the base to influence the electric elements on the PCB in the using process, so that the electric elements are damaged, and the use of the whole structure is influenced.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, an object of the utility model is to provide an earth leakage protection socket is in order to solve foretell problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an earth leakage protection socket, including base and cap, the base is provided with the mounting groove along self direction of height, the tank bottom department of mounting groove is provided with the PCB board, the left end of the up end of PCB board is provided with the magnetic ring subassembly, the right-hand member of the up end of PCB board is provided with coil pack, the middle part of the up end of PCB board is provided with earth leakage protection device, the notch department of mounting groove is provided with the bearer bar, the bottom surface and the magnetic ring subassembly of bearer bar, coil pack, earth leakage protection subassembly looks butt, the top of bearer bar is provided with the wiring support, both ends are provided with the wiring hole with the junction of bearer bar about the wiring support, one side of arranging in one side of every wiring hole towards the mounting groove of wiring support is provided with the wiring frame, all be provided with the wiring jack in every wiring frame.

Preferably, the magnetic ring assembly comprises an access terminal, a zero sequence transformer and a capacitor, the access terminal is arranged at the front end and the rear end of the left end of the PCB, the zero sequence transformer is arranged between the two access terminals, and the capacitor is arranged at the left side of the zero sequence transformer.

Preferably, a spacer is arranged between the zero sequence transformer and the capacitor.

Preferably, the coil assembly comprises load terminals and a coil support, the load terminals are arranged at the front end and the rear end of the right end of the PCB, the coil support is arranged between the two load terminals along the length direction of the PCB, and a wire winding is arranged in the coil support.

Preferably, the number of turns of the wire winding is 70 turns.

Preferably, the leakage protection assembly comprises a device frame, a lifter and a detector, the device frame is arranged in the middle of the top of the PCB, the lifter is arranged at the top of the device frame, lifting contact gaskets are arranged at the front end and the rear end of the lifter, a detection groove is formed in the left end of the device frame, the detector is arranged in the detection groove, a conductive detection connecting pin is arranged at the bottom of the detector, and the conductive detection connecting pin is electrically connected with the zero sequence transformer.

Preferably, a push switch is arranged at the top of the lifter, a push rod is arranged on the push switch towards the lifter, and a return spring is arranged between the push switch and the lifter.

The utility model discloses the beneficial technological effect who possesses is: the protection frame is arranged between the upper end surface of the PCB and the notch of the mounting groove, and the magnetic ring assembly, the coil assembly and the electric leakage protection assembly arranged between the PCB and the mounting groove are protected by the protection frame, so that the magnetic ring assembly, the coil assembly and the electric leakage protection assembly are prevented from being damaged due to collision or extrusion in the use process, the stability of the whole structure is improved, and meanwhile, the service lives of the magnetic ring assembly, the coil assembly and the electric leakage protection assembly are prolonged; meanwhile, a spacer is arranged between the zero sequence transformer and the capacitor, so that interference between the zero sequence transformer and the capacitor is prevented, and the stability of the whole structure is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

fig. 3 is a schematic diagram of the PCB board structure of the present invention.

Reference numerals are as follows: 1. a base; 11. a shell cover; 12. mounting grooves; 13. a PCB board; 14. a protective frame; 15. a wiring bracket; 16. a wiring hole; 17. a wiring frame; 2. a magnetic ring assembly; 21. an access terminal; 22. a zero-sequence transformer; 23. a capacitor; 24. a separator; 3. a coil assembly; 31. a load terminal; 32. a coil support; 33. a wire winding; 4. an earth leakage protection device; 41. a device frame; 42. a lifter; 43. a detector; 44. lifting the contact pad; 45. a detection tank; 46. a conductive detection connecting pin 47 and a push switch; 48. a pressing lever; 49. a return spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In this embodiment:

referring to fig. 1-3, an earth leakage protection socket comprises a base 1 and a cover 11, the base 1 is provided with a mounting groove 12 along the height direction thereof, a PCB 13 is arranged at the groove bottom of the mounting groove 12, a magnetic ring assembly 2 is arranged at the left end of the upper end surface of the PCB 13, a coil assembly 3 is arranged at the right end of the upper end surface of the PCB 13, an earth leakage protection device 4 is arranged at the middle part of the upper end surface of the PCB 13, a protection frame 14 is arranged at the notch of the mounting groove 12, the bottom surface of the protection frame 14, the magnetic ring assembly 2 and the coil assembly 3, earth leakage protection subassembly looks butt, the top of bearer bar 14 is provided with wiring support 15, and both ends and the junction of bearer bar 14 are provided with wiring hole 16 about bearer bar 15, and the top of bearer bar 15 is arranged in one side of every wiring hole 16 towards mounting groove 12 and is provided with wiring frame 17, all is provided with the wiring jack in every wiring frame 17.

When using, set up protective frame 14 between the notch department through up end at PCB board 13 and mounting groove 12, to setting up magnetic ring subassembly 2 between PCB board 13 and mounting groove 12 through protective frame 14, coil pack 3, the earth leakage protection subassembly is protected, prevent magnetic ring subassembly 2, coil pack 3, the earth leakage protection subassembly is in the use, because collision or extrusion take place to damage, improve overall structure's stability, improve magnetic ring subassembly 2 simultaneously, coil pack 3, the life of earth leakage protection subassembly.

Magnetic ring subassembly 2 includes access terminal 21, zero sequence transformer 22, electric capacity 23, access terminal 21 sets up in the front and back both ends of the left end of PCB board 13, both ends are provided with the first holding tank that the top that supplies access terminal 21 placed around the left end of the bottom of bearer bar 14, zero sequence transformer 22 sets up between two access terminals 21, the left end of the bottom of protective housing is placed and is provided with the second holding tank that the top that supplies zero sequence transformer 22 was placed between two first holding tanks, electric capacity 23 sets up in zero sequence transformer 22's left side, be provided with spacing block 24 between zero sequence transformer 22 and the electric capacity 23.

When the protection device is used, the zero sequence transformer 22 is connected with the detector 43, the circuit of the PCB 13 is detected and protected, meanwhile, the access terminal 21, the zero sequence transformer 22 and the capacitor 23 are protected through the left end of the protection shell, the use safety of the access terminal 21, the zero sequence transformer 22 and the capacitor 23 is improved, the service life of the access terminal 21, the zero sequence transformer 22 and the capacitor 23 is prolonged, the isolation sheet 24 is arranged between the zero sequence transformer 22 and the capacitor 23, interference between the zero sequence transformer 22 and the capacitor 23 is prevented, and the stability of the whole structure is improved.

Coil pack 3 includes load terminal 31, coil support 32, load terminal 31 sets up both ends around the right-hand member of PCB board 13, both ends are provided with the third holding tank that the top that supplies load terminal 31 was placed around the right-hand member of the bottom of protective frame 14, coil support 32 sets up between two load terminals 31 along the length direction of PCB board 13, protective frame 14 arranges the fourth holding tank that the top that is provided with confession coil support 32 was placed between two third holding tanks in, coil support 32's top and fourth holding tank looks butt, be provided with wire winding 33 in coil support 32, wire winding 33's the number of turns is 70 circles.

When the protective frame is used, a loop is formed by the load terminal 31, the lead winding 33, the input terminal and the zero sequence transformer 22, the current passing through the load terminal 31 is electrically measured by the detector 43, whether the whole circuit forms the loop or not is judged, the short circuit and the leakage of the whole circuit are rapidly detected, the safety of the whole structure in use is improved, the load terminal 31 and the coil support 32 are protected by the third accommodating groove and the fourth accommodating groove of the protective frame 14, and the service lives of the load terminal 31 and the coil support 32 are prolonged.

The earth leakage protection assembly comprises an assembly frame 41, a lifter 42 and a detector 43, wherein the assembly frame 41 is arranged in the middle of the top of the PCB 13, the assembly frame 41 is arranged at the top of the assembly frame 41 of the middle lifter 42 at the bottom of the protection frame 14, lifting contact gaskets 44 are arranged at the front end and the rear end of the lifter 42, a detection groove 45 is formed in the left end of the assembly frame 41, the detector 43 is arranged in the detection groove 45, a conductive detection connecting pin 46 is arranged at the bottom of the detector 43, the conductive detection connecting pin 46 is electrically connected with the zero sequence transformer 22, a press switch 47 is arranged at the top of the lifter 42, a press rod 48 is arranged towards the lifter 42 of the press switch 47, and a reset spring 49 is arranged between the press switch 47 and the lifter 42.

When in use, the detector 43 is electrically connected with the zero sequence transformer 22, the detector 43 is used for detecting the whole circuit, when in detection, the detector 43 is pressed downwards to enable the conductive detection connecting pin 46 to be in contact with the PCB 13, the detector 43 is used for collecting signals of a detection structure, when the detector 43 detects that the whole circuit has electric leakage or short circuit, the signals are transmitted to the PCB 13, the PCB 13 drives the lifter 42 to start to operate, the lifter 42 drives the pressing rod 48 to move upwards to enable the pressing rod 48 to be separated from the PCB 13, the pressing block and the pressing rod 48 are restored to an initial state through the auxiliary action of the reset spring 49, the power-off protection operation process of the circuit is completed, meanwhile, the detector 43 and the lifter 42 are both arranged in the middle of the bottom of the protection frame 14, and the tops of the detector 43 and the lifter 42 are protected through the protection frame 14, the service life of the detector 43 and the lifter 42 is prolonged.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An earth leakage protection socket, characterized in that: including base (1) and cap (11), base (1) is provided with mounting groove (12) along self direction of height, the tank bottom department of mounting groove (12) is provided with PCB board (13), the left end of the up end of PCB board (13) is provided with magnetic ring subassembly (2), the right-hand member of the up end of PCB board (13) is provided with coil pack (3), the middle part of the up end of PCB board (13) is provided with earth leakage protection device (4), the notch department of mounting groove (12) is provided with protecting frame (14), the bottom surface of protecting frame (14) and magnetic ring subassembly (2), coil pack (3), earth leakage protection subassembly looks butt, the top of protecting frame (14) is provided with wiring support (15), both ends are provided with wiring hole (16) with the junction of protecting frame (14) about wiring support (15), one side towards mounting groove (12) of arranging in every wiring hole (16) at the top of wiring support (15) is established Wiring frames (17) are arranged, and wiring jacks are arranged in each wiring frame (17).

2. A residual current device according to claim 1, wherein: the magnetic ring assembly (2) comprises an access terminal (21), a zero sequence transformer (22) and a capacitor (23), wherein the access terminal (21) is arranged at the front end and the rear end of the left end of the PCB (13), the zero sequence transformer (22) is arranged between the two access terminals (21), and the capacitor (23) is arranged on the left side of the zero sequence transformer (22).

3. A leakage protection socket according to claim 2, wherein: and a spacer (24) is arranged between the zero sequence transformer (22) and the capacitor (23).

4. A residual current device according to claim 1, wherein: the coil component comprises load terminals and a coil support, wherein the load terminals are arranged at the front end and the rear end of the right end of the PCB, the coil support is arranged between the two load terminals along the length direction of the PCB, and a wire winding is arranged in the coil support.

5. A residual current device as claimed in claim 4, wherein: the number of turns of the wire winding (33) is 70.

6. A residual current device according to claim 1, wherein: the earth leakage protection subassembly includes device frame (41), riser (42), detector (43), device frame (41) sets up in the middle part of PCB board (13), riser (42) set up in the top of device frame (41), both ends all are provided with lift contact pad (44) around riser (42), the left end of device frame (41) is provided with detects groove (45), detector (43) set up in detecting groove (45), the bottom of detector (43) is provided with electrically conductive detection and connects foot (46), electrically conductive detection connects foot (46) and zero sequence transformer (22) electricity and is connected.

7. A residual current device according to claim 6, wherein: the top of the lifter (42) is provided with a press switch (47), the press switch (47) is provided with a press rod (48) facing the lifter (42), and a return spring (49) is arranged between the press switch (47) and the lifter (42).