CN111541080B

CN111541080B - Safety socket with automatic power-off function

Info

Publication number: CN111541080B
Application number: CN202010391959.8A
Authority: CN
Inventors: 洪丽燕
Original assignee: Shanghai Bix Electronic Co ltd
Current assignee: SHANGHAI BIX ELECTRONIC Co.,Ltd.
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-09-14
Anticipated expiration: 2040-05-11
Also published as: CN111541080A

Abstract

The invention discloses a safety socket with automatic power-off, belonging to the field of power equipment, and the safety socket with automatic power-off comprises a base shell, wherein a closed pipe is fixedly connected in the base shell, the closed pipe is divided into an upper chamber and a lower chamber by a piston ring, the piston ring is connected with the closed pipe in a sliding and sealing manner, air is sealed in the upper chamber, kerosene is sealed in the lower chamber, a guide pipe is fixedly connected above the closed pipe and is communicated with the interior of the upper chamber, a piston rod is connected in the guide pipe in a sliding and sealing manner, the base shell is provided with an opening corresponding to the movement of the piston rod, two sides of the guide pipe are respectively provided with a U-shaped block fixedly connected on the base shell, the bottoms of the two U-shaped blocks are respectively and fixedly connected with a live wire and a zero wire, lantern rings are respectively sleeved on the live wire and the zero wire, a heat, the electric appliance can be automatically powered off when a large amount of heat is generated due to short circuit of the electric appliance, and a fire disaster in the later period is avoided.

Description

Safety socket with automatic power-off function

Technical Field

The invention relates to the field of electric power, in particular to a safety socket with automatic power-off function.

Background

The socket is a device which is fixed on a wall and is connected with a plug of electric equipment to control the on-off of the electric energy of the electric equipment. Inside the socket, the metal pins on the plug of the electric equipment need to be butted with the wires connected with the mains supply.

During the electrical apparatus during operation among the prior art, need insert the socket with the plug inside, because electrical equipment's old and old or own have quality problems, lead to the electrical apparatus during operation, the short circuit takes place easily, the electrical apparatus of short circuit can produce a large amount of heats, the power supply is still under the condition that continues this moment, can finally cause the conflagration, when the short circuit takes place for the circuit, the user is difficult for noticing, danger increases when leading to the electrical apparatus to use, it is thus visible, current socket takes place under the condition of short circuit at electrical apparatus, difficult auto-power-off, lead to taking place the conflagration, the security is relatively poor.

Therefore, the safety socket with the automatic power-off function is provided to effectively improve the use safety of the traditional socket.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a safety socket with an automatic power-off function, which can realize the automatic power-off of an electric appliance when a large amount of heat is generated due to short circuit of the electric appliance, and avoid a later-period fire.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a safety socket with auto-power-off, includes basic shell, fixedly connected with sealed pipe in the basic shell, sealed pipe separates into cavity and cavity of resorption by the piston ring, and piston ring and sealed pipe sliding seal are connected, the cavity of resorption is interior to be sealed to have the air, cavity of resorption is interior to be sealed to have kerosene, the top fixedly connected with pipe of sealed pipe, and pipe and cavity of resorption are inside to be linked together, sliding seal is connected with the piston rod in the pipe, be equipped with the uncovered that corresponds when moving with the piston rod on the basic shell, the pipe both sides all are equipped with the U type piece of fixed connection on basic shell, two U type piece bottom difference fixedly connected with live wire and zero line, all the cover is equipped with the lantern ring on live wire and the zero line, cavity of resorption is interior fixedly connected with heat conduction stick, heat conduction stick one end runs through sealed tub lateral wall and includes lantern ring fixed connection, utilizes when electrical apparatus and socket contact are bad, the heat generated by the live wire and the zero line is brought into kerosene in the lower cavity by the heat conducting rod, the kerosene expands when heated to push the piston ring to move upwards, air in the upper cavity is compressed and enters the guide pipe with a smaller caliber, the pressure in the guide pipe is increased, the pushing force is stronger, the air at the moment can push the piston rod to move forwards, and when the piston rod moves upwards, the electric appliance inserted into the electric appliance is pushed out to achieve the purpose of power failure; when the initial state of the socket needs to be recovered, the expansion force in the kerosene is reduced, and at the moment, the piston rod is pushed downwards, so that the piston ring is restored to the initial position.

Further, piston rod and piston ring do not all receive under the external pressure's the condition, and the pipe and the interior standard atmospheric pressure that seals of epicoele, this can guarantee under the no plug grafting state, guarantee that piston ring and piston rod maintain a quiescent condition, can also guarantee simultaneously that piston ring and piston rod when moving, can compress its inside gas for piston rod and piston ring can both move, accomplish and push the plug open.

Further, pipe and sealed pipe all adopt the polytetrafluoroethylene material, and the coefficient of friction of tetrafluoroethylene is minimum, and the frictional force of piston ring, piston rod when sealed pipe and the inside slip of pipe is very little this moment, and when kerosene inflation, the loss that reduction piston ring and piston rod friction that can be the biggest produced promotes speed when the piston rod moves.

Furthermore, fixedly connected with grafting shell fragment in the U type piece, two the grafting shell fragment respectively with live wire and zero line fixed connection, be equipped with the socket that corresponds with the grafting shell fragment on the base shell, set up the grafting shell fragment and be convenient for the electrical apparatus and insert.

Further, the base shell bottom is equipped with the installing frame, the installing frame passes through locking screw and base shell threaded connection, can be with base shell integral erection inside the installing frame, accomplish the holistic installation of socket.

Furthermore, the caliber of the closed pipe is larger than that of the guide pipe, when kerosene expands, air pressure is transmitted to the upper cavity, and when air in the upper cavity enters the guide pipe, the size of the upper cavity is reduced, the pressure of the air entering the guide pipe can be increased, and the thrust on the whole piston rod is increased.

Further, the material of the lantern ring is heat conduction silicone grease, the material of heat conduction stick is copper, both can realize heat conduction through the lantern ring material for heat conduction silicone grease and can also realize insulating simultaneously, avoids the electricity to get into kerosene through the heat conduction stick inside, and the heat conduction is realized to the copper that the cooperation heat conductivility is good and economy, with inside the leading-in kerosene of the heat that live wire and zero line produced for kerosene heat expansion promotes the piston ring motion.

Furthermore, a cover plate is arranged above the base shell, a slot corresponding to the cover plate is formed in the base shell, and the cover plate can shield an installation opening for installing the locking screw, so that the overall attractiveness of the socket is improved.

3. Advantageous effects

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

(1) according to the scheme, when the electrical appliance is in poor contact with the socket, a large amount of heat can be generated and utilized, heat generated by a live wire and a zero line is brought into kerosene in the lower cavity through the heat conducting rod, the kerosene expands when heated to push the piston ring to move upwards, air in the upper cavity is compressed to enter the inner part of the guide pipe with a smaller caliber, the pressure in the guide pipe is increased, the pushing force is stronger, the air at the moment can push the piston rod to move forwards, and when the piston rod moves upwards, the electrical appliance inserted into the electrical appliance is pushed out to achieve the purpose of power failure; when the initial state of the socket needs to be recovered, the expansion force in the kerosene is reduced, and at the moment, the piston rod is pushed downwards, so that the piston ring is restored to the initial position.

(2) In the scheme, a large amount of heat is generated for utilization when the electrical appliance is in poor contact with the socket, meanwhile, the automatic power-off of the short-circuit electrical appliance is realized by utilizing the principle of expansion with heat and contraction with cold, and the friction coefficient is very small when the pipes and the sealed pipes are made of the polytetrafluoroethylene materials, so that the utilization of thrust generated when kerosene expands is improved; the caliber of the sealed pipe is larger than that of the guide pipe, so that the pressure of gas entering the guide pipe can be increased, and the pushing force of the piston rod is stronger; can also realize insulating for heat conduction silicone grease both can realize heat conduction simultaneously through the lantern ring material, cooperate the copper that the thermal conductivity is good and economical to realize heat conduction, with the leading-in kerosene of the heat that live wire zero line produced inside for kerosene thermal expansion promotes the piston ring motion.

(3) The bore of sealed pipe is greater than the bore of pipe, and when the kerosene inflation, pass the atmospheric pressure to the cavity, when going up the inside gas of cavity and getting into inside the pipe this moment, the volume reduces, can increase the gas pressure that gets into the inside pipe, increases to the holistic thrust of piston rod.

(4) The material of the lantern ring is heat conduction silicone grease, and the material of heat conduction stick is copper, and it is insulating to have both realized heat conduction and can also realize simultaneously for heat conduction silicone grease through the lantern ring material, avoids inside the electricity gets into kerosene through the heat conduction stick, and the heat conduction is realized to the copper that the cooperation heat conductivility is good and economy, with the leading-in kerosene of the heat that live wire and zero line produced inside for the kerosene expands to promote the piston ring motion.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged view of a portion of the containment tube of the present invention;

FIG. 3 is an enlarged view of a portion of the U-shaped block of the present invention;

FIG. 4 is a schematic front view of the base housing of the present invention;

FIG. 5 is a top view of a portion of the structure at the containment tube of the present invention.

The reference numbers in the figures illustrate:

the heat-conducting rod comprises a base shell 1, a U-shaped block 2, a piston rod 3, an inserting elastic sheet 4, a live wire 5, a zero wire 6, a sealed tube 7, a lantern ring 8, a locking screw 9, a piston ring 10, an upper cavity 11, a lower cavity 12, a guide pipe 13, a cover plate 14, a heat-conducting rod 15 and a mounting frame 16.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a safety socket with an automatic power off function comprises a base shell 1, a cover plate 14 is arranged above the base shell 1, a slot corresponding to the cover plate 14 is formed in the base shell 1, the cover plate 14 can shield an installation opening when a locking screw 9 is installed, the overall aesthetic property of the socket is improved, an installation frame 16 is arranged at the bottom of the base shell 1, the installation frame 16 is in threaded connection with the base shell 1 through the locking screw 9, the installation frame 16 is installed in a wall body in the prior art and is fixed through the locking screw 9, meanwhile, an installation opening corresponding to the locking screw 9 is formed in the base shell 1, a sealed pipe 7 is fixedly connected in the base shell 1, the sealed pipe 7 is divided into an upper chamber 11 and a lower chamber 12 by a piston ring 10, the piston ring 10 is in sliding sealing connection with the sealed pipe 7, air is sealed in the upper chamber 11, and kerosene is sealed in the lower chamber.

Sealed 7, top fixedly connected with pipe 13 of pipe, pipe 13 and sealed 7 all adopt the polytetrafluoroethylene material, the coefficient of friction of tetrafluoroethylene is minimum, make piston ring 10, the frictional force of piston rod 3 when sealed 7 and the inside slip of pipe 13 is very little, when kerosene inflation, the loss that can the biggest reduction friction produced, speed when promoting 3 movements of piston rod, the bore of sealed 7 is greater than the bore of pipe 13, when kerosene inflation, pass atmospheric pressure for last cavity 11, the inside gas admission pipe 13 of last cavity 11 was inside this moment, the volume reduces, can increase the inside gas pressure who gets into pipe 13, the thrust increase to 3 holistic pistons.

And pipe 13 and last cavity 11 are inside to be linked together, sliding seal connects with piston rod 3 in pipe 13, piston rod 3 and piston ring 10 do not all receive under the external pressure's the condition, and pipe 13 and last cavity 11 are inside to be sealed to have a standard atmospheric pressure, this can ensure under the no plug grafting state, guarantee piston ring 10 and piston rod 3 and maintain a quiescent condition, can also guarantee piston ring 10 and piston rod 3 when moving simultaneously, can compress its gas, make piston rod 3 can push the plug open, be equipped with the uncovered that corresponds when moving with piston rod 3 on the base casing 1, pipe 13 both sides all are equipped with U type piece 2 of fixed connection on base casing 1, two U type piece 2 bottoms difference fixedly connected with live wire 5 and zero line 6.

The U-shaped block is internally and fixedly connected with inserting elastic pieces 4, the two inserting elastic pieces 4 are respectively and fixedly connected with a live wire 5 and a zero line 6, a socket corresponding to the inserting elastic pieces 4 is arranged on the base shell 1, lantern rings 8 are sleeved on the live wire 5 and the zero line 6, a heat conducting rod 15 is fixedly connected in the lower cavity 12, one end of the heat conducting rod 15 penetrates through the side wall of the sealed tube 7 and is fixedly connected with the lantern rings 8, the lantern rings 8 are made of heat conducting silicone grease, the heat conducting rod 15 is made of copper, the material of the lantern ring 8 is heat-conducting silicone grease, so that heat conduction can be realized, insulation can also be realized, danger caused by electricity entering kerosene through the heat-conducting rod 15 is avoided, heat conduction is realized by matching with economic copper with good heat-conducting performance, when the temperature generated by the live wire 5 and the zero wire 6 is higher than 45 degrees due to poor contact, the heat generated by the live wire 5 and the zero wire 6 is guided into the kerosene, so that the kerosene expands thermally to push the piston ring 10 to move.

Compared with the socket in the prior art, the socket in the invention utilizes a large amount of heat generated by poor contact between an electric appliance and the socket to be utilized, when the temperature generated by the live wire 5 and the zero wire 6 is higher than 45 degrees, a large amount of heat generated by the live wire 5 and the zero wire 6 is absorbed by the heat-conducting silicone grease, the heat-conducting silicone grease is brought into the kerosene in the lower cavity 12 through the heat-conducting rod 15, the kerosene expands when heated to push the piston ring 10 to move upwards, at the moment, air in the upper cavity 11 is compressed to enter the small-caliber conduit 13, the pressure in the conduit 13 is increased, the pushing force is stronger, the compressed air can push the piston rod 3 to move upwards, and when the piston rod 3 moves upwards, the electric appliance inserted into the electric appliance is pushed out to achieve the purpose of power failure; when the initial state of the socket is required, the kerosene internal expansion force is reduced, and at this time, the piston rod 3 is pushed down, so that the piston ring 10 is restored to the initial position.

The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. A safety socket with automatic power-off, comprising a base housing (1), characterized in that: fixedly connected with sealed pipe (7) in base shell (1), sealed pipe (7) are separated into cavity (11) and cavity of resorption (12) by piston ring (10), and piston ring (10) and sealed pipe (7) sliding seal are connected, it has the air to go up cavity (11) internal seal, cavity of resorption internal seal has kerosene, the top fixedly connected with pipe (13) of sealed pipe (7), and pipe (13) and cavity of resorption (11) are inside to be linked together, sliding seal is connected with piston rod (3) in pipe (13), be equipped with the uncovered that corresponds when moving with piston rod (3) on base shell (1), pipe (13) both sides all are equipped with U type piece (2) of fixed connection on base shell (1), two fixedly connected with live wire (5) and zero line (6) respectively bottom U type piece (2), all overlap on live wire (5) and zero line (6) and be equipped with the lantern ring (8), lower cavity (12) internal fixation is connected with heat conduction stick (15), heat conduction stick (15) one end run through sealed pipe (7) lateral wall and with the lantern ring (8) fixed connection, piston rod (3) and piston ring (10) do not all receive under the condition of ambient pressure, and pipe (13) and last cavity (11) are interior to be sealed and have a standard atmospheric pressure, the bore of sealed pipe (7) is greater than the bore of pipe (13), the material of the lantern ring (8) is heat conduction silicone grease, the material of heat conduction stick (15) is copper.

2. A safety socket with automatic power off according to claim 1, wherein: the guide pipe (13) and the closed pipe (7) are both made of a polytetrafluoroethylene material.

3. A safety socket with automatic power off according to claim 1, wherein: fixedly connected with grafting shell fragment (4) in the U type piece, two grafting shell fragment (4) respectively with live wire (5) and zero line (6) fixed connection, be equipped with the socket that corresponds with grafting shell fragment (4) on base shell (1).

4. A safety socket with automatic power off according to claim 1, wherein: the base shell (1) bottom is equipped with installing frame (16), installing frame (16) pass through locking screw (9) and base shell (1) threaded connection.

5. A safety socket with automatic power off according to claim 1, wherein: a cover plate (14) is arranged above the base shell (1), and a slot corresponding to the cover plate (14) is formed in the base shell (1).