CN210923926U

CN210923926U - Plug-and-play residual current detection device

Info

Publication number: CN210923926U
Application number: CN201920669799.1U
Authority: CN
Inventors: 赵阳; 汪繁荣; 耿鱼银; 陈洁; 董李
Original assignee: Hubei University of Technology
Current assignee: Hubei University of Technology
Priority date: 2019-05-11
Filing date: 2019-05-11
Publication date: 2020-07-03
Anticipated expiration: 2029-05-11

Abstract

The utility model discloses a plug-and-play's residual current detection device, comprising a main body, first cavity has been seted up at the middle part of main part, the main part has the iron core at the top inner wall department fixed connection of first cavity, the outside cover of iron core is equipped with the coil, the bottom of iron core is equipped with the fifth movable block, the first rigidity line of bottom fixedly connected with of fifth movable block, the second cavity has been seted up on the top of main part, the main part is equipped with first spring in the inside of second cavity, the first movable block of one end fixedly connected with of first spring, the first conductor of one end fixedly connected with of first movable block. Compared with the prior art, the utility model discloses the device can be directly inserted on the socket through the contact piece, simple to operate, and when the condition that has the electric leakage took place, switch-on pilot lamp and loudspeaker, pilot lamp and loudspeaker remind user's circuit electric leakage, and the method that resets of device is comparatively simple, and the device after resetting, has the suggestion during normal operation.

Description

Plug-and-play residual current detection device

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a plug-and-play's residual current detection device.

Background

The application of the power promotes the scientific and technological development of human beings, so that the human beings enter the electrical era, but the application of the power not only provides help for the human beings, but also brings danger to the human beings sometimes, and the aging of an insulating skin outside an electric wire and the electric leakage of an electric appliance can bring fire or the condition of electric shock to the human body.

The residual current is commonly known as electric leakage, when the wiring is improper or the residual current is repaired for a long time, an electric leakage accident easily occurs, general electric leakage detection devices are directly connected onto the bus, the circuit can be cut off as long as the electric leakage is detected, however, the installation and the disassembly are troublesome, the bus switch needs to be closed firstly, and the device can be connected into the circuit, so that the plug-and-play residual current detection device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current electric leakage detection device installation among the prior art comparatively complicacy, shortcoming that can not plug and play, and the plug and play's residual current detection device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plug-and-play residual current detection device comprises a main body, wherein a first cavity is formed in the middle of the main body, an iron core is fixedly connected to the inner wall of the top end of the first cavity of the main body, a coil is sleeved outside the iron core, a fifth moving block is arranged at the bottom end of the iron core, a first rigid wire is fixedly connected to the bottom end of the fifth moving block, a second cavity is formed in the top end of the main body, a first spring is arranged inside the second cavity of the main body, a first moving block is fixedly connected to one end of the first spring, a first conductor is fixedly connected to one end of the first moving block, second conductors are arranged on the inner wall of the main body on one side of the top end and the bottom end of the first cavity, third conductors are arranged on the inner wall of the middle of the top end and the bottom end of the first cavity of the main body, and a first through hole is formed between the first, the main body is provided with a second moving block at the first through hole, a first groove is formed in the inner wall of the top end of the second cavity, a second spring is arranged at the first groove of the main body, two indicating lamps are arranged at the top end of one side of the main body, a loudspeaker is arranged in the middle of one side of the main body, and two contact pieces are arranged on the other side of the main body.

Furthermore, the other end of the first rigid line is fixedly connected with the first moving block, the second moving block extends into the first groove at the first through hole, and the top end of the second moving block is fixedly connected with the second spring.

Furthermore, a second through hole is formed in the middle of the second moving block, and the first moving block is matched with the second through hole.

Furthermore, a third cavity is formed in one side of the main body, a fourth moving block is arranged at the third cavity of the main body, a third spring is fixedly connected to one end of the fourth moving block, and the other end of the third spring is fixedly connected with the inner wall of one side of the third cavity.

Furthermore, a third through hole is formed in the inner wall of the main body on one side of the third cavity, a third moving block is arranged at the third through hole, the third moving block extends to the outside of the main body at the third through hole, the other end of the third moving block is fixedly connected with a fourth moving block, and a second rigid wire is fixedly connected to one side of the fourth moving block.

Furthermore, the main part has seted up the draw-in groove in one side inner wall department of first cavity, the main part is equipped with the fourth spring in draw-in groove department, the one end fixedly connected with fixture block of fourth spring, the fixture block extends to the inside of first cavity in draw-in groove department, the other end and the second rigid line fixed connection of fixture block.

Furthermore, two indicator lights are respectively connected with the second conductor and the third conductor with wires.

The utility model has the advantages that:

1. through setting up contact piece, first conductor, second conductor, iron core, coil and movable block, the device can directly insert on the socket through the contact piece, simple to operate, and when the condition that has the electric leakage took place, the branch road electric current at device place reduced, and the coil current reduces, and magnetic force weakens, and first conductor and second conductor contact, switch-on pilot lamp and loudspeaker, pilot lamp and loudspeaker remind user's circuit electric leakage.

2. Through setting up fixture block, movable block, rigidity line and spring, pressing the third movable block, through the pulling of rigidity line, the fixture block can contract into in the card groove, and the device resets, can reuse, and the application method of device is comparatively simple.

3. Through setting up two pilot lamps, first conductor and third conductor, the device switch on to after it resets, first conductor can be put through with the third conductor, and one of them pilot lamp can be bright, reminds user's device circular telegram, normal operating, during the circuit system electric leakage, another pilot lamp can be bright, reminds user's circuit electric leakage.

Compared with the prior art, the utility model discloses the device can be directly inserted on the socket through the contact piece, simple to operate, and when the condition that has the electric leakage took place, switch-on pilot lamp and loudspeaker, pilot lamp and loudspeaker remind user's circuit electric leakage, and the method that resets of device is comparatively simple, and the device after resetting, has the suggestion during normal operation.

Drawings

Fig. 1 is a schematic structural diagram of a cross-sectional view of a plug-and-play residual current detection device according to the present invention;

fig. 2 is a schematic structural diagram of a plug-and-play residual current detection device according to a side view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B of fig. 1.

In the figure: the device comprises a main body 1, a first rigid wire 2, a first spring 3, a first moving block 4, a first conductor 5, a second spring 6, a second moving block 7, a second conductor 8, an indicator light 9, a loudspeaker 10, a third moving block 11, a second rigid wire 12, a fourth moving block 13, a third spring 14, a fifth moving block 15, an iron core 16, a coil 17, a fourth spring 18, a fixture block 19 and a third conductor 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a plug-and-play residual current detection device, comprising a main body 1, a first cavity is formed in the middle of the main body 1, an iron core 16 is fixedly connected to the main body 1 at the inner wall of the top end of the first cavity, a coil 17 is sleeved outside the iron core 16, a fifth moving block 15 is arranged at the bottom end of the iron core 16, a first rigid wire 2 is fixedly connected to the bottom end of the fifth moving block 15, a second cavity is formed at the top end of the main body 1, a first spring 3 is arranged inside the second cavity of the main body 1, a first moving block 4 is fixedly connected to one end of the first spring 3, a first conductor 5 is fixedly connected to one end of the first moving block 4, second conductors 8 are respectively arranged at the inner walls of the top end and one side of the bottom end of the first cavity of the main body 1, third conductors 20 are respectively arranged at the inner walls of the top end and the middle end of the first cavity of the main, the main part 1 is equipped with the second movable block 7 in first through-hole department, and first recess has been seted up in the top inner wall department of second cavity to main part 1, and main part 1 is equipped with second spring 6 in first recess department, and the top of main part 1 one side is equipped with two pilot lamps 9, and the middle part of main part 1 one side is equipped with loudspeaker 10, and the opposite side of main part 1 is equipped with two contact pieces.

In the utility model, the other end of the first rigid wire 2 is fixedly connected with the first moving block 4, through the connection of the first rigid wire 2, the first moving block 4 and the fifth moving block 15 can be mutually driven, the second moving block 7 extends to the inside of the first groove at the first through hole, the top end of the second moving block 7 is fixedly connected with the second spring 6, the middle part of the second moving block 7 is provided with a second through hole, the first moving block 4 is matched with the second through hole, the second moving block 7 can block the movement of the first moving block 4, the first moving block 4 can pass through the second through hole to penetrate through the second moving block 7, one side of the main body 1 is provided with a third cavity, the main body 1 is provided with a fourth moving block 13 at the third cavity, one end of the fourth moving block 13 is fixedly connected with a third spring 14, the other end of the third spring 14 is fixedly connected with one side inner wall of the third cavity, the main body 1 is provided with a third through hole at one side inner, the main body 1 is provided with a third moving block 11 at a third through hole, the third moving block 11 extends to the outside of the main body 1 at the third through hole, the other end of the third moving block 11 is fixedly connected with a fourth moving block 13, one side of the fourth moving block 13 is fixedly connected with a second rigid wire 12, the main body 1 is provided with a clamping groove at one side inner wall of the first cavity, the main body 1 is provided with a fourth spring 18 at the clamping groove, one end of the fourth spring 18 is fixedly connected with a clamping block 19, the clamping block 19 extends to the inside of the first cavity at the clamping groove, the other end of the clamping block 19 is fixedly connected with the second rigid wire 12, the fourth moving block 13 can drive the clamping block 19 to move, the two indicator lights 9 are respectively connected with the second conductor 8 and the third conductor 20, and the two indicator lights 9 are respectively connected in a normal working state and a leakage state.

The working principle is as follows: the device is inserted on a socket through two contact pieces, the coil 17 is electrified, the iron core 16 generates magnetic force to attract the second moving block 7 and the fifth moving block 15, when other branches in the circuit are leaked, the current of the branch where the device is located can be reduced, the magnetic force of the iron core 16 is reduced, the second moving block 7 and the fifth moving block 15 can move, the first spring 3 pushes the first moving block 4, the first moving block 4 pulls the first rigid wire 2, the first rigid wire 2 pulls the fifth moving block 15, the fifth moving block 15 contacts the fixture block 19 and extrudes the fixture block 19 into the fixture groove, the fourth spring 18 is compressed, the fifth moving block 15 continues to move and is separated from the fixture block 19, the fixture block 19 is returned to the original position by the fourth spring 18, the fixture block 19 enables the fifth moving block 15 not to move, the second spring 6 pulls the second moving block 7, when the through hole of the second moving block 7 is aligned with the first moving block 4, the first moving block 4 enters the through hole of the second moving block 7, the first moving block 4 drives the first conductor 5 to move, the first conductor 5 contacts the second conductor 8, one XD10-3 type indicator light 9 and a JHIC1216A12H01F type horn 10 are switched on, and an alarm is given.

When the device is reset, the device is inserted on a socket through two contact pieces, the coil 17 is electrified, the iron core 16 generates magnetic force to attract the second moving block 7 and the fifth moving block 15, the third moving block 11 is pressed, the third moving block 11 drives the fourth moving block 13 to move, the fourth moving block 13 compresses the third spring 14 and drives the second rigid wire 12, the second rigid wire 12 drives the fixture block 19 to move, the fixture block 19 enters the clamping groove and compresses the fourth spring 18, the fixture block 19 is separated from the fifth moving block 15, the fifth moving block 15 is lifted by the attraction of the iron core 16 to drive the first rigid wire 2 to move, the first moving block 4 is pulled by the rigid wire 2, the first moving block 4 compresses the first spring 3, the first moving block 4 drives the first conductor 5 to return to the original position, the first moving block 4 leaves the through hole of the second moving block 7, the second moving block 7 is lowered by the attraction of the iron core 16 to stretch the second spring 6, the second moving block 7 returns to the original position where the first conductor 5 is in contact with the third conductor 20 and the other XD10-3 type indicator light 9 is turned on.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A plug-and-play residual current detection device comprises a main body (1), and is characterized in that a first cavity is formed in the middle of the main body (1), an iron core (16) is arranged on the inner wall of the top end of the first cavity of the main body (1), a coil (17) is sleeved outside the iron core (16), a fifth moving block (15) is arranged at the bottom end of the iron core (16), a first rigid wire (2) is arranged at the bottom end of the fifth moving block (15), a second cavity is formed in the top end of the main body (1), a first spring (3) is arranged inside the second cavity of the main body (1), a first moving block (4) is arranged at one end of the first spring (3), a first conductor (5) is arranged at one end of the first moving block (4), and second conductors (8) are arranged on the inner wall of the main body (1) on one side of the top end and the bottom end of the first cavity, the main part (1) all is equipped with third conductor (20) in the middle part inner wall department of first cavity top and bottom, first through-hole has been seted up between first cavity and second cavity in main part (1), main part (1) is equipped with second movable block (7) in first through-hole department, first recess has been seted up in the top inner wall department of second cavity in main part (1), main part (1) is equipped with second spring (6) in first recess department, the top of main part (1) one side is equipped with two pilot lamps (9), the middle part of main part (1) one side is equipped with loudspeaker (10), the opposite side of main part (1) is equipped with two contact pieces.

2. The plug-and-play residual current detection device according to claim 1, wherein the other end of the first rigid wire (2) is fixedly connected with the first moving block (4), the second moving block (7) extends into the first groove at the first through hole, and the top end of the second moving block (7) is fixedly connected with the second spring (6).

3. The plug-and-play residual current detection device according to claim 2, wherein a second through hole is formed in the middle of the second moving block (7), and the first moving block (4) is matched with the second through hole.

4. The plug-and-play residual current detection device according to claim 3, wherein a third cavity is formed in one side of the main body (1), a fourth moving block (13) is arranged in the third cavity of the main body (1), a third spring (14) is arranged at one end of the fourth moving block (13), and the other end of the third spring (14) is fixedly connected with the inner wall of one side of the third cavity.

5. The plug-and-play residual current detection device according to claim 4, wherein a third through hole is formed in the main body (1) at the inner wall of one side of the third cavity, a third moving block (11) is arranged at the third through hole in the main body (1), the third moving block (11) extends to the outside of the main body (1) at the third through hole, the other end of the third moving block (11) is fixedly connected with a fourth moving block (13), and a second rigid wire (12) is arranged at one side of the fourth moving block (13).

6. The plug-and-play residual current detection device according to claim 5, wherein a clamping groove is formed in the main body (1) at one side inner wall of the first cavity, a fourth spring (18) is arranged in the main body (1) at the clamping groove, a clamping block (19) is arranged at one end of the fourth spring (18), the clamping block (19) extends into the first cavity at the clamping groove, and the other end of the clamping block (19) is fixedly connected with the second rigid wire (12).

7. Plug-and-play residual current detection device according to claim 6, characterized in that two said indicator lights (9) are connected to the second conductor (8) and the third conductor (20) respectively.