CN210923934U

CN210923934U - Electric leakage monitoring device

Info

Publication number: CN210923934U
Application number: CN201920924474.3U
Authority: CN
Inventors: 徐岸非; 余瑜
Original assignee: Hubei University of Technology
Current assignee: Hubei University of Technology
Priority date: 2018-11-29
Filing date: 2019-06-19
Publication date: 2020-07-03
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses an electric leakage monitoring device, which comprises a first main body, wherein the bottom end of the first main body is provided with a second main body, the bottom end of the first main body is provided with a U-shaped through hole, the first main body is provided with a moving body at the U-shaped through hole, the bottom end of the moving body is provided with a U-shaped through hole, the moving body is provided with a first iron core at the U-shaped through hole, and inside first iron core was in the U-shaped through-hole, the outside cover of first iron core was equipped with first coil, and two fixed covers of top fixedly connected with of moving body, two first recesses have been seted up in the top inner wall department of U-shaped through-hole to first main part, and two fixed covers extend to first recess department inside, and the second recess has been seted up on the top of two fixed covers, and two fixed covers all are equipped with first spring inside the second recess, and the top and two first recess fixed connection of first spring. Compared with the prior art, the utility model has the advantages of simple integral structure, low cost and convenient installation.

Description

Electric leakage monitoring device

Technical Field

The utility model relates to an electrical device technical field especially relates to an electric leakage monitoring device.

Background

Along with the improvement of the industrial level of human beings, the utilization of electric power marks people and has gone into a new era, electric power provides the basis for the rapid development of people's science and technology, but electric power not only can help the human beings, also can bring danger to people, for example electric leakage among the electrical apparatus operation process, not only can cause the harm to electrical apparatus, sometimes can also produce danger to the human body, electric leakage is the current leakage that arouses because of insulation damage or other reasons, because some reason communicates between electrical apparatus shell and the live wire, have certain potential difference between electrical apparatus shell and the ground and will produce electric leakage, modern electric leakage detection instrument is most comparatively complicated, it is comparatively troublesome to maintain, and the cost is higher, therefore we have proposed an electric leakage monitoring device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the maintenance of the leakage detecting instrument is troublesome and the cost is high, and providing a leakage monitoring device.

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

an electric leakage monitoring device comprises a first main body, wherein a second main body is arranged at the bottom end of the first main body, a U-shaped through hole is formed in the bottom end of the first main body, a moving body is arranged at the U-shaped through hole of the first main body, the U-shaped through hole is formed in the bottom end of the moving body, a first iron core is arranged at the U-shaped through hole of the moving body and is positioned in the U-shaped through hole, a first coil is sleeved outside the first iron core, two fixing sleeves are fixedly connected to the top end of the moving body, two first grooves are formed in the inner wall of the top end of the U-shaped through hole of the first main body, the two fixing sleeves extend into the first grooves, second grooves are formed in the top ends of the two fixing sleeves, first springs are arranged in the second grooves of the two fixing sleeves, and the top ends of the first springs are fixedly connected with the two first grooves, the bottom end of the first main body is fixedly connected with two contact bodies, the top end of the second main body is provided with two grooves, the inner walls of the two grooves of the second main body are fixedly connected with contact pieces, and the contact pieces are matched with the contact bodies.

Preferably, the U-shaped through hole has been seted up on the top of second main part, the second main part is equipped with the second iron core in U-shaped through hole department, and inside the second iron core was in the U-shaped through hole, the outside cover of second iron core is equipped with the second coil, and the top and the contact piece fixed connection of second coil.

Preferably, the bottom of second main part is equipped with the seal, and the cavity has been seted up to the inside of seal, the seal is equipped with inert gas in the cavity is inside, two through-holes have been seted up on the top of seal, the second coil extends to the inside of seal at the through-hole department, the inside of seal is equipped with both sides and is equipped with static contact and deformation contact respectively.

Preferably, one side of second main part bottom is equipped with the bulb and is connected with the wire between bulb and the static contact, the opposite side of second main part bottom is equipped with the power, and is connected with the wire between power and the deformation contact.

Preferably, a bump is arranged at the bottom end of the first main body, a groove is formed in the top end of the second main body, the groove is matched with the bump, the groove is formed in the outer wall of one side of the bump of the first main body, a second spring is arranged in the groove of the first main body, the second spring is located in the groove, and a first sliding block is arranged at one end of the second spring.

Preferably, the through-hole has been seted up at one side inner wall department of recess to the second main part, the second main part is equipped with the second slider in through-hole department, and the second slider extends to the outside of second main part at the through-hole department, the outside cover of second slider is equipped with the third spring, and the third spring is inside the through-hole, first slider extends to the inside of through-hole at the recess department of first main part.

The utility model has the advantages that:

1. through setting up seal, coil, deformation contact, bulb, accessible coil discharges and makes seal inert gas electric power produce high temperature during the electric leakage, and deformation contact deformation switches on the return circuit of bulb, makes the bulb luminous, and overall structure is simple, and the cost is lower.

2. Through setting up slider, spring, the spring can make first iron core and second iron core tightly contact together, and presses the slider, can be with the device separation.

Compared with the prior art, the utility model has the advantages of simple integral structure, low cost and convenient installation.

Drawings

Fig. 1 is a schematic front view of an electric leakage monitoring device according to the present invention;

fig. 2 is an enlarged schematic structural diagram of a portion a of the leakage monitoring device according to the present invention;

fig. 3 is a schematic diagram of a B-portion enlarged structure of the leakage monitoring device according to the present invention.

In the figure: the device comprises a first main body 1, a second main body 2, a first spring 3, a fixed sleeve 4, a moving body 5, a first iron core 6, a first coil 7, a second iron core 8, a second coil 9, a contact body 10, a contact piece 11, a second spring 12, a first slider 13, a third spring 14, a second slider 15, a bulb 16, a sealing body 17, a static contact piece 18 and a deformable contact piece 19.

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.

Referring to fig. 1-3, an electric leakage monitoring device comprises a first main body 1, a second main body 2 is arranged at the bottom end of the first main body 1, a U-shaped through hole is arranged at the bottom end of the first main body 1, a moving body 5 is arranged at the U-shaped through hole of the first main body 1, a U-shaped through hole is arranged at the bottom end of the moving body 5, a first iron core 6 is arranged at the U-shaped through hole of the moving body 5, the first iron core 6 is positioned inside the U-shaped through hole, a first coil 7 is sleeved outside the first iron core 6, two fixing sleeves 4 are fixedly connected at the top end of the moving body 5, two first grooves are arranged at the inner wall of the top end of the U-shaped through hole of the first main body 1, the two fixing sleeves 4 extend into the first grooves at the first grooves, second grooves are arranged at the top ends of the two fixing sleeves 4, first springs 3 are arranged inside the second grooves of the two fixing sleeves 4, the bottom end of the first main body 1 is fixedly connected with two contact bodies 10, the top end of the second main body 2 is provided with two grooves, the inner walls of the two grooves of the second main body 2 are fixedly connected with contact pieces 11, the contact pieces 11 are matched with the contact bodies 10, the top end of the second main body 2 is provided with a U-shaped through hole, the second main body 2 is provided with a second iron core 8 at the U-shaped through hole, the second iron core 8 is positioned in the U-shaped through hole, the second iron core 8 is sleeved with a second coil 9, the top end of the second coil 9 is fixedly connected with the contact pieces 11, the bottom end of the second main body 2 is provided with a sealing body 17, the sealing body 17 is internally provided with a cavity, the sealing body 17 is internally provided with inert gas, the top end of the sealing body 17 is provided with two through holes, the second coil 9 extends to the inside of the sealing body 17 at the through, a bulb 16 is arranged at one side of the bottom end of the second main body 2, a lead is connected between the bulb and the static contact piece 18, a power supply is arranged at the other side of the bottom end of the second main body 2, and a wire is connected between the power supply and the deformation contact piece 19, a convex block is arranged at the bottom end of the first main body 1, a groove is arranged at the top end of the second main body 2, the groove is matched with the convex block, the first main body 1 is provided with a groove at the outer wall of one side of the convex block, the first main body 1 is provided with a second spring 12 at the groove, and the second spring 12 is arranged in the groove, one end of the second spring 12 is provided with a first slide block 13, the inner wall of one side of the groove of the second main body 2 is provided with a through hole, the second main body 2 is provided with a second slide block 15 at the through hole, and the second slider 15 extends to the outside of the second body 2 at the through hole, the outside of the second slider 15 is sleeved with a third spring 14, and the third spring 14 is inside the through hole to which the first slider 13 extends at the groove of the first body 1.

The working principle is as follows: the phase line and the N line are put into the device, when electric leakage occurs, the balance between the phase line and the N line is broken, high voltage is generated by the first coil 7 and the second coil 9 which are connected through the contact body 10 and the contact piece 11, the high voltage is led into one end of the sealing body 17 through the second coil 9 to enable inert gas of the sealing body 17 to generate glow discharge, the deformation contact piece 19 is heated and expanded by heat of the glow discharge, the deformation contact piece 19 is communicated with the static contact piece 18, the bulb 16 emits light, and electric leakage of an electric appliance is detected; when the device is to be taken down, the second slider 15 is pressed to compress the third spring 14, the second slider 15 pushes the first slider 13, the first slider 13 compresses the second spring 12, the first slider 13 enters the groove of the first main body 1, the first spring 3 pushes the fixed sleeve 4, the fixed sleeve 4 pushes the moving body 5, and the moving body 5 pushes the second main body 2, so that the second main body 2 is separated from the first main body 1.

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. An electric leakage monitoring device comprises a first main body (1) and is characterized in that a second main body (2) is arranged at the bottom end of the first main body (1), a U-shaped through hole is formed in the bottom end of the first main body (1), a moving body (5) is arranged at the U-shaped through hole of the first main body (1), the U-shaped through hole is formed in the bottom end of the moving body (5), a first iron core (6) is arranged at the U-shaped through hole of the moving body (5), the first iron core (6) is positioned in the U-shaped through hole, a first coil (7) is sleeved outside the first iron core (6), two fixing sleeves (4) are arranged at the top end of the moving body (5), two first grooves are formed in the inner wall of the top end of the U-shaped through hole of the first main body (1), the two fixing sleeves (4) extend to the inside the first grooves, and second grooves are formed in the top ends of the two fixing sleeves (4), two fixed cover (4) all are equipped with first spring (3) inside the second recess, and the top and two first recess fixed connection of first spring (3), the bottom of first main part (1) is equipped with two contacts (10), two recesses have been seted up on the top of second main part (2), second main part (2) all are equipped with contact piece (11) in the inner wall department of two recesses, and contact piece (11) and contact (10) looks adaptation.

2. An electric leakage monitoring device according to claim 1, wherein a U-shaped through hole is opened at the top end of the second main body (2), a second iron core (8) is arranged at the U-shaped through hole of the second main body (2), the second iron core (8) is located inside the U-shaped through hole, a second coil (9) is sleeved outside the second iron core (8), and the top end of the second coil (9) is fixedly connected with the contact piece (11).

3. An electric leakage monitoring device according to claim 2, characterized in that a sealing body (17) is arranged at the bottom end of the second main body (2), a cavity is formed inside the sealing body (17), the sealing body (17) is provided with inert gas inside the cavity, two through holes are formed at the top end of the sealing body (17), the second coil (9) extends into the sealing body (17) at the through holes, and a static contact (18) and a deformable contact (19) are arranged on two sides inside the sealing body (17).

4. An earth leakage monitoring device according to claim 3, characterized in that a bulb (16) is arranged on one side of the bottom end of the second body (2) and a wire is connected between the bulb and the static contact (18), and a power source is arranged on the other side of the bottom end of the second body (2) and a wire is connected between the power source and the deformation contact (19).

5. The leakage monitoring device according to claim 1, wherein a protrusion is disposed at a bottom end of the first body (1), a groove is disposed at a top end of the second body (2), the groove is adapted to the protrusion, the first body (1) is disposed with a groove at an outer wall of one side of the protrusion, the first body (1) is disposed with a second spring (12) at the groove, the second spring (12) is disposed inside the groove, and a first slider (13) is disposed at one end of the second spring (12).

6. A leakage monitoring device according to claim 5, wherein the second body (2) is provided with a through hole at an inner wall of one side of the groove, the second body (2) is provided with a second slider (15) at the through hole, the second slider (15) extends to the outside of the second body (2) at the through hole, the outside of the second slider (15) is sleeved with a third spring (14), the third spring (14) is located inside the through hole, and the first slider (13) extends to the inside of the through hole at the groove of the first body (1).