CN112072394A

CN112072394A - Self-protection plug

Info

Publication number: CN112072394A
Application number: CN202010929958.4A
Authority: CN
Inventors: 陈晶; 陈丹丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2020-12-11

Abstract

The invention discloses a self-protection plug which comprises a plug shell, wherein two symmetrically-arranged power connection mechanisms are fixed on the side wall of the plug shell, each power connection mechanism comprises a power connection post fixed on the side wall of the plug shell, an insulating ring is fixed on the side wall of the power connection post, a fixed column is fixed on the side wall of the insulating ring, a pushing groove is formed in the side wall of the power connection ring, an adsorption groove is formed in the side wall of the fixed column, a power connection block is connected to the inner wall of the adsorption groove through a contraction spring, and a pressure cavity is formed in the fixed column. Has the advantages that: through the tight bag of clamp that sets up elasticity deformability, make its in-process that switches on with the contact of socket reed, can be through the better laminating of deformation and socket reed of self to reduce holistic bad contact degree, its flexibility of self can reduce holistic wearing and tearing simultaneously, make socket reed life longer, thereby reduce the risk that bad contact appears, make whole electricity process of connecting more stable.

Description

Self-protection plug

Technical Field

The invention relates to the technical field of power connection equipment, in particular to a self-protection plug.

Background

The connector of general electronic product and electric appliances bolt, called plug, along with the popularization and diversification of electric equipment, the plug is unavoidable, and the safety of the plug use is directly related to the safety of users, so the safety of the plug is an important measurement standard of the quality of the plug;

the existing plug only has a power connection function, the whole structure is simple, the function is single, the electric appliances are various, the temperature of the plug position of many electric appliances can be increased in the process, the high temperature of the plug position can be caused by long-time use to influence the line safety, the existing plug does not have the protection capability, the electric appliances are easy to damage, when the short circuit condition occurs on the line, the problem cannot be effectively solved, and the whole functionality is poor.

Disclosure of Invention

The invention aims to solve the problem of poor protection of a plug in the prior art, and provides a self-protection plug.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a self preservation protects plug, is including inserting the shell, the lateral wall of inserting the shell is fixed with the mechanism that connects of two symmetries settings, connect the mechanism including the electric post that is fixed in the lateral wall of inserting the shell, the lateral wall that connects the electric post is fixed with the insulating ring, the lateral wall of insulating ring is fixed with the fixed column, the promotion groove has been seted up to the lateral wall that connects the electric post, the adsorption tank has been seted up to the lateral wall of fixed column, the inner wall of adsorption tank has the electricity piece that connects through shrink spring coupling, the pressure chamber has been seted up to the inside of fixed column, the inner wall of pressure chamber has the ejector pad through connecting spring coupling, the lateral wall of pressure chamber runs through the tight groove of clamp who sets up two.

In foretell self preservation protects the plug, the protection chamber has been seted up to the inside of connecting electrical column, the inner wall in protection chamber is connected with through reset spring and pushes away the pearl, the lateral wall that pushes away the pearl is fixed with the lance, the lance runs through the lateral wall in protection chamber and extends to inside the promotion groove, the mounting groove of having seted up of connecting electrical column, the inner wall of mounting groove is fixed with the briquetting, the inside packing of protection chamber has electrorheological fluid.

In the self-protection plug, dichloromethane solution is filled in the pushing groove, the electric connection block is in sealing sliding connection with the pushing groove, the adsorption groove and the inner wall of the insulating ring, hydraulic oil is filled in the pressure cavity, the clamping bag is made of a conductive film, and electrorheological fluid is filled in the clamping bag.

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

1. according to the invention, the clamping bag which can be elastically deformed is arranged, so that the clamping bag can be better attached to the socket reed through self deformation in the process of contacting and electrifying the socket reed, the integral contact failure degree is reduced, meanwhile, the flexibility of the clamping bag can reduce the integral abrasion, the service life of the socket reed is longer, the risk of poor contact is reduced, and the whole electrifying process is more stable;

2. according to the invention, through the design of the power connection block and the insulating ring, the power connection block is electrically connected between the power connection post and the fixed post, and when the power connection post is overheated, dichloromethane in the groove is pushed to be gasified to push the power connection block to move, so that the power connection post and the fixed post are directly and electrically disconnected, the safety of a circuit is effectively protected, a circuit at the position of a plug and a circuit at the position of a socket are prevented from being directly influenced by high temperature, the service lives of the plug and the socket are prolonged, and the safety of circuits in the electric appliance is;

3. according to the invention, when a short-circuit fault occurs to a circuit, the power connection current of the contraction spring is increased rapidly, so that the contraction spring contracts under the action of an induction magnetic field generated by the contraction spring, and the power connection block is separated from a power connection column and enters the adsorption groove, thereby realizing power failure protection and avoiding circuit damage;

4. according to the invention, when a user determines that an electric shock risk exists, the pressing block is extruded by pushing the inserting shell, so that the electric rheological fluid in the protection cavity is powered to be solidified and expanded, the impact rod impacts the electric connection block, the electric connection block enters the adsorption groove, the whole circuit is kept in a power-off state, the electric shock cannot be caused even if the plug touches the electric connection column in the plug pulling-out process, and when the plug state is recovered, the clamping bag is separated from the socket reed, the whole circuit plug is in a safe state, and the safety of the user is effectively protected.

Drawings

Fig. 1 is a schematic structural diagram of a self-protection plug according to the present invention;

FIG. 2 is a schematic structural view of another state of a self-protecting plug according to the present invention;

fig. 3 is a schematic structural diagram of another state of the self-protection plug according to the present invention.

In the figure: the device comprises an insertion shell 1, a power connection post 2, an insulating ring 3, a fixing post 4, a pushing groove 5, an adsorption groove 6, a contraction spring 7, an electricity connection block 8, a pressure cavity 9, a clamping groove 10, a clamping bag 11, a connecting spring 12, a pushing block 13, a protection cavity 14, a reset spring 15, a pushing ball 16, a plunger 17, an installation groove 18 and a pressing block 19.

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. 1-3, a self-protecting plug comprises a plug housing 1, two symmetrically arranged electric connection mechanisms are fixed on the side wall of the plug housing 1, each electric connection mechanism comprises an electric connection post 2 fixed on the side wall of the plug housing 1, an insulating ring 3 is fixed on the side wall of the electric connection post 2, a fixed post 4 is fixed on the side wall of the insulating ring 3, a pushing groove 5 is formed in the side wall of the electric connection post 2, an adsorption groove 6 is formed in the side wall of the fixed post 4, an electric connection block 8 is connected to the inner wall of the adsorption groove 6 through a contraction spring 7, a pressure chamber 9 is formed in the fixed post 4, a pushing block 13 is connected to the inner wall of the pressure chamber 9 through a connection spring 12, the pushing block 13 is a permanent magnet, the electric connection block 8 is an iron block, the magnetic force of the pushing block 13 is limited, when the distance between the two is far away, the magnetic force attraction to the electric connection block, will be caught by the magnetic attraction of ejector pad 13, the lateral wall of pressure chamber 9 is run through and is seted up two clamping groove 10 that the symmetry set up, and the inner wall of two clamping groove 10 all is fixed with presss from both sides tight bag 11.

Protection chamber 14 has been seted up to the inside of electrical connection post 2, the inner wall of protection chamber 14 is connected with through reset spring 15 and pushes away pearl 16, it slides with protection chamber 14 inner wall is sealed to push away pearl 16, the lateral wall that pushes away pearl 16 is fixed with lance 17, lance 17 runs through protection chamber 14 and extends to inside pushing away groove 5, electrical connection post 2 has seted up mounting groove 18, the inner wall of mounting groove 18 is fixed with briquetting 19, the inside packing of protection chamber 14 has the electrorheological fluid, the inner wall of protection chamber 14 and mounting groove 18 all has brushed insulating coating, avoid direct power supply, briquetting 19 is the piezoceramics piece, can produce instantaneous high pressure and supply power to the electrorheological fluid through the wire after the extrusion.

Push away 5 inside packings in groove and have dichloromethane solution, will promote after being heated gasification and connect electric piece 8 to remove, connect electric piece 8 and push away groove 5,

adsorption tank

6 and 3 inner walls of dead ring all seal sliding connection, the inside packing of pressure chamber 9 has hydraulic oil, press from both sides tight bag 11 and make by the conductive film, it can avoid wearing and tearing the contact failure who brings to have deformability and surperficial softness, press from both sides the inside packing of tight bag 11 and have the electrorheological fluid, connect the electric back inflation of will solidifying, thereby make and press from both sides tight bag 11 and further laminate with the socket reed, avoid contact failure.

In the invention, when the plug and the socket are combined and electrified, the reed in the socket is contacted with the clamping bag 11, so that the clamping bag 11 is initially extruded, after the electric power is switched on, the electrorheological fluid in the clamping bag 11 is solidified to expand to a certain degree, the clamping bag 11 can deform, so that the socket reed is more tightly attached to the clamping bag 11, meanwhile, the clamping bag 11 deforms towards the interior of the pressure cavity 9, the pressure night oil in the pressure cavity 9 is pushed to move, and the push block 13 is pushed to approach the adsorption groove 6;

when the internal temperature of the socket and the plug rises due to overcurrent and the like, dichloromethane solution in the pushing groove 5 absorbs heat and is gasified, so that the internal air pressure of the pushing groove 5 is increased, the electricity receiving block 8 is pushed to move, when the electricity receiving block 8 moves to be separated from the pushing groove 5, the electrical connection between the electricity connecting column 2 and the fixed column 4 is interrupted, so that the whole line is powered off, the effect of overheat self-protection is achieved, accelerated line aging damage such as overcurrent and overheat is avoided, meanwhile, electric appliances and line damage caused by overcurrent are avoided, electric facilities are effectively protected, the electricity connecting state is automatically recovered after the integral temperature is reduced, and manual management is not needed;

when a short circuit problem occurs in a circuit, the current in the circuit is increased rapidly, so that the current flowing through the contraction spring 7 is too large, the contraction spring 7 is caused to contract under the action of an induction magnetic field of the contraction spring, the power connection block 8 is rapidly separated from the push groove 5 and moves to the inside of the adsorption groove 6, the circuit interruption is rapidly completed, the damage to the circuit and electrical equipment due to long-time short circuit is avoided, the power connection block 8 is close to the push block 13 after moving after entering the inside of the adsorption groove 6, the power connection block 8 is effectively attracted by the push block 13 and is stabilized in the adsorption groove 6, the interruption process of the whole circuit is continued, the circuit impact caused after rapid recovery is avoided, and the circuit is effectively protected;

because the clamping bag 11 is extruded by the socket reed, even if the internal electrorheological fluid is liquefied after power failure, the clamping bag 11 can deform to a certain degree, so that hydraulic oil in the pressure cavity 9 is extruded, the push block 13 is kept near the set position, and excessive position deviation cannot occur, so that the position of the push block 13 is stable after power failure, the electric block 8 is effectively attracted and attached, the power failure state is maintained until a user pulls out a plug, the clamping bag 11 is not extruded by the piezoelectric reed, the clamping bag 11 recovers deformation, the hydraulic oil in the pressure cavity 9 is not extruded, the push block 13 is far away from the electric block 8 under the elastic action of the connecting spring 12, so that the magnetic attraction acting force is not enough, the electric block 8 resets under the elastic action of the contraction spring 7, and the plug returns to the initial state;

when a user pulls out the plug and touches water with a certain electric shock risk, the plug shell 1 can be pushed, the pressing block 19 and the socket are extruded, the pressing block 19 generates instant high-voltage current, the electrorheological fluid in the protection cavity 14 is solidified and expanded, the push bead 16 is pushed by the instant solidified thrust to drive the impact rod 17 to move, the impact rod 17 impacts the electric connection block 8 after moving in an accelerating way, the electric connection block 8 moves in the adsorption groove 6 in an accelerating way after rigid collision, the whole circuit is interrupted, the electric connection block 8 entering the adsorption groove 6 is caught by the push block 13, the whole circuit is kept interrupted, the user can pull out the plug, the plug and the socket in the state are in a power-off state, even if the contact part of the electric connection column 2 is touched, the electric shock cannot be caused, the electric connection block 8 can reset after the clamping bag 11 is separated from the socket reed, and at the moment, the line is completely interrupted, and the electric shock phenomenon can not happen any more, so that the safety of the user is effectively protected.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The self-protection plug comprises an inserting shell (1) and is characterized in that two symmetrically-arranged electricity connecting mechanisms are fixed on the side wall of the inserting shell (1), each electricity connecting mechanism comprises an electricity connecting post (2) fixed on the side wall of the inserting shell (1), an insulating ring (3) is fixed on the side wall of each electricity connecting post (2), a fixing post (4) is fixed on the side wall of each insulating ring (3), a pushing groove (5) is formed in the side wall of each electricity connecting post (2), an adsorption groove (6) is formed in the side wall of each fixing post (4), an electricity connecting block (8) is connected to the inner wall of each adsorption groove (6) through a contraction spring (7), a fixing post (4) is internally provided with a pressure cavity (9), the inner wall of each pressure cavity (9) is connected with a pushing block (13) through a connecting spring (12), and two symmetrically-arranged clamping grooves (10) penetrate through the side wall of each pressure cavity, and clamping bags (11) are fixed on the inner walls of the two clamping grooves (10).

2. The self-protection plug of claim 1, wherein a protection cavity (14) is formed in the electric connecting column (2), a push bead (16) is connected to the inner wall of the protection cavity (14) through a return spring (15), a striker (17) is fixed to the side wall of the push bead (16), the striker (17) penetrates through the side wall of the protection cavity (14) and extends into the push groove (5), an installation groove (18) is formed in the electric connecting column (2), a pressing block (19) is fixed to the inner wall of the installation groove (18), and electrorheological fluid is filled in the protection cavity (14).

3. The self-protection plug of claim 1, wherein the pushing groove (5) is filled with dichloromethane solution, the electric connection block (8) is connected with the pushing groove (5), the adsorption groove (6) and the inner wall of the insulating ring (3) in a sealing and sliding manner, the pressure chamber (9) is filled with hydraulic oil, the clamping bag (11) is made of conductive film, and the clamping bag (11) is filled with electrorheological fluid.