CN111834807A

CN111834807A - Electromagnetic type electric shock prevention safety socket

Info

Publication number: CN111834807A
Application number: CN202010792030.6A
Authority: CN
Inventors: 王慧; 梁莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2020-10-27

Abstract

The invention discloses an electromagnetic type electric shock prevention safety socket which comprises a hollow socket shell, wherein the top wall of the socket shell is fixedly connected with two inserting cylinders in a penetrating mode, each inserting cylinder is a cylinder provided with a rectangular through hole, a spiral coil is wound on the outer wall of one section of the inserting cylinder positioned in the socket shell, the spiral coil is electrically connected with an electromagnet through a lead, the electromagnet is glued on the side wall of the socket shell, the inner wall of each inserting cylinder is connected with two permanent magnets in a sliding mode through a first sliding groove, a first spring is fixedly connected between each permanent magnet and the corresponding inserting cylinder, the inner side wall of the socket shell is connected with a magnetic plate in a sliding mode, and the magnetic plate is provided with two through. Has the advantages that: at the in-process of plug, can effectually prevent the emergence of the electric shock accident that the inserted sheet and lead to of taking water or mistake on hand, can in time cut off circuit when transshipping simultaneously, avoid the socket burning and cause the conflagration, greatly reduced the potential safety hazard when the socket uses.

Description

Electromagnetic type electric shock prevention safety socket

Technical Field

The invention relates to the technical field of electric power facilities, in particular to an electromagnetic electric shock prevention safety socket.

Background

The socket is one of the basic parts of electric power facility, it is the electric interface of getting of electrical apparatus for the terminal, electrical apparatus for the terminal passes through the plug and is connected with the socket, in order to supply the electric energy that needs to use with electrical apparatus, both with behind electrical apparatus plug insertion jack, the inserted sheet of plug and the reed of connecting the zero line, the live wire contact, thereby make with electrical apparatus parallelly connected in the main circuit, the socket has very close relation with people's production and life, and along with the continuous development of science and technology, the facility of the power consumption in production and the life also is constantly increasing, this has increased people undoubtedly and has inserted the socket with the plug in daily life and pulled out the number of operations of times of socket.

Among the prior art, current socket does not possess certain protection against electric shock function, when taking water plug on hand, or when plug mistake touched the inserted sheet on the plug, will lead to the condition of electric shock to take place, and the potential safety hazard is very big, and current socket does not possess overload protection function, and when overloading with electrical apparatus, the socket produced a large amount of heats, leads to the socket burning, finally causes the conflagration. Therefore, an electromagnetic anti-electric shock safety socket is provided.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, when a plug is plugged and unplugged, an electric shock risk exists, and when an overload protection device is not arranged in a socket, a fire disaster easily occurs.

In order to achieve the purpose, the invention adopts the following technical scheme: an electromagnetic anti-electric shock safety socket comprises a hollow socket shell, wherein the top wall of the socket shell is fixedly connected with two inserting cylinders in a penetrating way, the plug cylinder is a cylinder provided with a rectangular through hole, the outer wall of one section of the plug cylinder positioned in the socket shell is wound with a spiral coil, the solenoid coil is electrically connected with an electromagnet through a lead, the electromagnet is glued on the side wall of the socket shell, the inner wall of the insertion cylinder is connected with two permanent magnets in a sliding way through a first sliding groove, a first spring is fixedly connected between the permanent magnets and the insertion cylinder, the inner side wall of the socket shell is connected with a magnetic plate in a sliding way, the magnetic plate is provided with two through holes, a reed is glued in the through hole of the magnetic plate and is respectively and electrically connected with the live wire and the zero wire through leads, a clamping device is arranged in the permanent magnet, and an overload protection device is arranged in the socket shell.

In the electromagnetic electric shock prevention safety socket, the clamping device comprises a rubber bag which is glued on the side wall of the permanent magnet, a liquid cavity is formed in the permanent magnet and is communicated with the rubber bag, and non-Newtonian fluid is filled in the liquid cavity and the rubber bag.

In the electromagnetic electric shock preventing safety socket, the overload protection device comprises memory metal, the memory metal is glued on the inner side wall of the socket shell, one end, far away from the socket shell, of the memory metal is glued with a conducting strip, a rectifier is arranged in the conducting strip, and the conducting strip is electrically connected with a reed through a lead.

In the electromagnetic anti-electric shock safety socket, the inner side wall of the socket shell is slidably connected with two sliding blocks through a second sliding groove, a second spring is fixedly connected between the sliding blocks and the socket shell, and the sliding blocks are jointly bonded with the side wall of the magnetic plate.

In the electromagnetic anti-electric shock safety socket, the volume of the non-newtonian fluid filled in the liquid cavity and the rubber bag is 2/3 of the cavity formed by the liquid cavity and the rubber bag.

In the electromagnetic anti-electric shock safety socket, the windings of the solenoids on the outer walls of the two insertion cylinders are opposite in winding direction.

Compared with the prior art, the invention has the advantages that:

1. when inserting the plug into the socket, the inserted sheet contacts with the outer wall of the rubber bag, because the rubber bag is filled with non-Newtonian fluid, when inserting the plug fast, the non-Newtonian fluid can not be compressed, the inserted sheet drives the permanent magnet in the insertion cylinder on one side to move downwards when inserting, pass through the solenoid, induced electromotive force is generated in the solenoid at the moment, power is supplied to the electromagnet, magnetic force is generated, the magnetic plate is pushed downwards, when the plug is completely inserted into the socket, the induced electromotive force in the solenoid disappears, at the moment, under the action of the second spring elasticity, the magnetic plate rebounds rapidly, so that the spring sheet contacts with the inserted sheet, the socket is connected with the plug, namely when inserting the socket, after the plug is completely inserted into the socket, the circuit can be connected, the electric shock accident caused by water on hand or mistakenly touching the inserted sheet when inserting the plug is

2. When the plug is pulled out of the socket, the inserting sheet drives the permanent magnet in the inserting cylinder on the other side to move upwards, and because the winding directions of the spiral coils on the two sides are opposite, induced electromotive force is generated in the spiral coils at the moment to supply power to the electromagnet and generate magnetic force to push the magnetic plate downwards, namely when the inserting sheet is exposed outside when the plug is pulled out, the connection between the socket and the plug is cut off, the inserting sheet is not electrified any more at the moment, and the electric shock accident caused by water carried on the hand or mistakenly touching the inserting sheet when the plug is pulled out is effectively prevented;

3. when the circuit transships, the temperature in the socket constantly risees, and memory metal extends along with the rising of temperature, when extending to conducting strip and solenoid contact, through the rectification of rectifier for the solenoid is let in the direct current, makes the electro-magnet produce magnetic force, and the magnetic sheet glides under magnetic force, makes reed and inserted sheet separation, cuts off the circuit rapidly, and the socket generates heat the conflagration that leads to when having avoided transshipping.

Drawings

Fig. 1 is a schematic structural view of an electromagnetic anti-electric shock safety socket according to the present invention;

fig. 2 is an enlarged view of a position a of an electromagnetic anti-electric shock safety socket according to the present invention;

fig. 3 is an enlarged view of a position B of an electromagnetic anti-electric shock safety socket according to the present invention;

fig. 4 is a schematic structural view illustrating the electromagnetic anti-electric shock safety socket according to the present invention when being pulled out;

fig. 5 is an enlarged view of the electromagnetic anti-electric shock safety socket according to the present invention at position C.

In the figure: the socket comprises a socket shell 1, an inserting barrel 2, a solenoid coil 21, a first sliding groove 22, a permanent magnet 23, a rubber bag 231, a liquid cavity 232, a first spring 24, an electromagnet 3, a magnetic plate 4, a second sliding groove 5, a sliding block 6, a second spring 7, a reed 8, a memory metal 9, a conducting strip 10, a rectifier 11, a plug 12, an inserting sheet 13 and a positioning hole 131.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-5, an electromagnetic anti-electric shock safety socket comprises a hollow socket shell 1, two insertion cylinders 2 are fixedly connected to the top wall of the socket shell 1 in a penetrating manner, the insertion cylinders 2 are cylinders with rectangular through holes, a spiral coil 21 is wound on one section of outer wall of the insertion cylinder 2 positioned in the socket shell 1, the winding directions of the spiral coils 21 on the outer walls of the two insertion cylinders 2 are opposite, the spiral coils 21 are electrically connected with an electromagnet 3 through wires, the electromagnet 3 is glued on the side wall of the socket shell 1, two permanent magnets 23 are slidably connected to the inner wall of the insertion cylinder 2 through a first sliding groove 22, a first spring 24 is fixedly connected between each permanent magnet 23 and the insertion cylinder 2, the permanent magnet 23 in the insertion cylinder 2 on one side is arranged at the top end of the first sliding groove 22, the first spring 24 is fixedly connected between the lower surface of the permanent magnet 23 on the side and the insertion cylinder 2 on the other side, the permanent magnet 23 in the insertion, the upper surface of the permanent magnet 23 of this side and insert a first spring 24 of fixed connection between the section of thick bamboo 2, the permanent magnet 23 that is located the top is along with the inserting downstream of inserted sheet 13, and the permanent magnet 23 that is located the bottom is along with the extraction upward movement of inserted

sheet

13, 1 inside wall sliding connection of socket shell has magnetic plate 4, two through-holes have been seted up to magnetic plate 4, it has reed 8 to glue in magnetic plate 4's the through-hole, reed 8 pass through the wire respectively with the live wire, the zero line electricity is connected, be provided with clamping device in the permanent magnet 23, be provided with overload protection device in the socket shell 1.

The clamping device comprises a rubber bag 231, the rubber bag 231 is glued on the side wall of the permanent magnet 23, a liquid cavity 232 is formed in the permanent magnet 23, the liquid cavity 232 is communicated with the rubber bag 231, non-Newtonian fluid is filled in the liquid cavity 232 and the rubber bag 231, the volume of the non-Newtonian fluid filled in the liquid cavity 232 and the rubber bag 231 is 2/3 of a cavity formed by the liquid cavity 232 and the rubber bag 231, because the non-Newtonian fluid can be almost regarded as solid when being subjected to a large impact force and can not be pressed into the liquid cavity 232 from the rubber bag 231, at the moment, when the plug is inserted and pulled out, the permanent magnet 23 can move upwards or downwards along with the insertion and pulling-out of the inserting sheet 13, when the plug is completely inserted or pulled out, the non-Newtonian fluid can not be subjected to the impact force any more and can be regarded as liquid at the moment, and can be pressed into the liquid cavity 232, so that the rubber bag 231, since a certain friction force exists between the rubber bag 231 and the insert 13, the resetting process of the permanent magnet 23 is extremely slow, and the induced electromotive force generated in the solenoid coil 21 is very weak and can be almost ignored, so that the magnetic plate 4 cannot move.

Overload protection device includes memory metal 9, and memory metal 9 veneer is on socket shell 1's inside wall, and the one end veneer that socket shell 1 was kept away from to memory metal 9 has conducting strip 10, is provided with rectifier 11 in the conducting strip 10, and conducting strip 10 passes through the wire and is connected for reed 8 electricity, and when the circuit transships, memory metal 9 extends and to make 3 circular telegrams of electro-magnet, with the disconnect-connection of plug and socket, avoids transshipping and produces a large amount of heats, causes the conflagration. The inside wall of the socket shell 1 is connected with two sliding blocks 6 through a second sliding groove 5 in a sliding manner, a second spring 7 is fixedly connected between the sliding blocks 6 and the socket shell 1, and the sliding blocks 6 are bonded with the side wall of the magnetic plate 4 together. The plug 12, the insert 13 and the positioning hole 131 formed on the insert are all in the prior art and are not described herein.

In the invention, when the plug 12 is inserted into the socket, the inserting sheet 13 is contacted with the rubber bag 231 on the permanent magnet 23 in the inserting barrel 2 at one side, because the speed is high when the plug is inserted, the non-Newtonian fluid is almost regarded as solid under the impact force at this time, the rubber bag 231 can not be compressed and deformed, when the inserting sheet 13 is inserted, the permanent magnet 23 at the side is driven to move downwards and passes through the solenoid coil 21 at the side, the induced electromotive force is generated in the solenoid coil 21 at this time to supply power to the electromagnet 3, so that the electromagnet 3 generates magnetic force, the magnetic plate 4 slides downwards under the action of the magnetic force, when the inserting sheet 13 is completely inserted into the socket, the permanent magnet 23 does not move any more, the induced electromotive force in the solenoid coil 21 disappears, the magnetic force of the electromagnet 3 disappears, the magnetic plate 4 returns quickly under the action of the elastic force of the second spring 7, so that the reed 8 is contacted with the inserting, the circuit cannot be connected, at the moment after the plug 12 is completely inserted, the circuit is connected, the rubber bag 231 does not bear impact force any more after the plug 12 is completely inserted, the non-Newtonian fluid is a flowable liquid, the rubber bag 231 can be compressed to generate deformation at the moment, and the permanent magnet 23 is slowly reset under the elastic seat of the first spring 24;

when the plug 12 is pulled out, the rubber bag 231 is clamped into the positioning hole 131 in the upward movement process of the inserting sheet 13, the non-Newtonian fluid cannot be compressed due to the high pulling speed, the elastic bag 231 cannot deform, the inserting sheet 13 moves upward at the moment to drive the permanent magnet 23 in the inserting cylinder 2 on the other side to move upward, and because the winding directions of the spiral coils 21 on the two sides are opposite, induced electromotive force in the same direction as that in the inserting process is generated in the spiral coil 21 on the side at the moment to supply power to the electromagnet 3 and generate magnetic force to push the magnetic plate 4 downward so that the reed 8 is separated from the inserting sheet 13, namely when the plug 12 is pulled out, when the inserting sheet is exposed outside, the connection between the socket and the plug 12 is cut off, and after the plug 12 is pulled out, the permanent magnet 23 on the side is reset under;

when overload occurs in a circuit, heat can be generated in the socket shell 1, so that the temperature in the socket shell 1 rises continuously, the memory metal 9 extends gradually along with the rising of the temperature, when the memory metal extends to the contact between the conducting strip 10 and the solenoid coil 21, the circuit of the reed 8 and the solenoid coil 21 is connected, alternating current is changed into direct current to supply power to the solenoid coil 21 under the rectification of the rectifier 11, the solenoid coil 21 conducts the electricity to the electromagnet 3 through a conducting wire, the electromagnet 3 generates magnetic force, the magnetic plate 4 is pushed away downwards, the reed 8 is separated from the inserting piece 13, the circuit is cut off, and the situation that fire disasters are caused by the continuous generation of heat is avoided.

Although the terms of the socket housing 1, the plug cylinder 2, the solenoid 21, the first sliding groove 22, the permanent magnet 23, the rubber bladder 231, the fluid chamber 232, the first spring 24, the electromagnet 3, the magnetic plate 4, the second sliding groove 5, the slider 6, the second spring 7, the spring 8, the memory metal 9, the conductive sheet 10, the rectifier 11, the plug 12, the blades 13, the positioning hole 131, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The electromagnetic type electric shock prevention safety socket comprises a hollow socket shell (1) and is characterized in that the top wall of the socket shell (1) is fixedly connected with two inserting cylinders (2) in a penetrating manner, each inserting cylinder (2) is a cylinder provided with a rectangular through hole, a spiral coil (21) is wound on one section of outer wall of each inserting cylinder (2) positioned in the socket shell (1), the spiral coil (21) is electrically connected with an electromagnet (3) through a lead, the electromagnet (3) is glued on the side wall of the socket shell (1), the inner wall of each inserting cylinder (2) is slidably connected with two permanent magnets (23) through a first sliding groove (22), a first spring (24) is fixedly connected between each permanent magnet (23) and each inserting cylinder (2), the inner side wall of the socket shell (1) is slidably connected with a magnetic plate (4), and the magnetic plate (4) is provided with two through holes, the socket is characterized in that a reed (8) is glued in the through hole of the magnetic plate (4), the reed (8) is electrically connected with a live wire and a zero line through a lead respectively, a clamping device is arranged in the permanent magnet (23), and an overload protection device is arranged in the socket shell (1).

2. The electromagnetic electric shock preventing safety socket as recited in claim 1, wherein the clamping device comprises a rubber bag (231), the rubber bag (231) is glued on the side wall of the permanent magnet (23), a liquid chamber (232) is formed in the permanent magnet (23), the liquid chamber (232) is communicated with the rubber bag (231), and the liquid chamber (232) and the rubber bag (231) are filled with non-newtonian fluid.

3. The electromagnetic electric shock preventing safety socket as claimed in claim 1, wherein the overload protection device comprises a memory metal (9), the memory metal (9) is glued on the inner side wall of the socket housing (1), a conductive plate (10) is glued on one end of the memory metal (9) far away from the socket housing (1), a rectifier (11) is arranged in the conductive plate (10), and the conductive plate (10) is electrically connected through a lead wire which is a reed (8).

4. The electromagnetic electric shock preventing safety socket as claimed in claim 1, wherein two sliding blocks (6) are slidably connected to the inner side wall of the socket housing (1) through a second sliding groove (5), a second spring (7) is fixedly connected between the sliding blocks (6) and the socket housing (1), and the sliding blocks (6) are jointly bonded to the side wall of the magnetic plate (4).

5. The electromagnetic anti-shock safety socket according to claim 2, wherein the volume of non-newtonian fluid filled in the liquid chamber (232) and the rubber bladder (231) is 2/3 of the cavity formed by the liquid chamber (232) and the rubber bladder (231).

6. An electromagnetic anti-shock safety socket according to claim 1, wherein the windings (21) on the outer walls of the two said sockets (2) are wound in opposite directions.