CN111244662B

CN111244662B - Overheat alarm plug

Info

Publication number: CN111244662B
Application number: CN202010036620.6A
Authority: CN
Inventors: 李帅; 朱燚鹏
Original assignee: Wenzhou Wenuoxi Technology Co ltd
Current assignee: Wenzhou wenuoxi Technology Co.,Ltd.
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2021-05-14
Anticipated expiration: 2040-01-14
Also published as: CN111244662A

Abstract

The invention discloses an overheating alarm plug which comprises a shell, wherein the inner wall of the shell is rotatably connected with a rotating shaft through a torsion spring, a rotating plate is fixed at one end, away from the interior of the shell, of the rotating shaft, the rotating plate is rotatably connected with the side wall of the shell in a penetrating manner, two symmetrically arranged extending plates are fixedly connected with the side wall of the rotating plate in a penetrating manner, two electricity connecting blocks which are respectively abutted against the two extending plates are fixed on the inner wall of the shell, a sliding groove is formed in the side wall of the extending plate in a penetrating manner, and an anti-touch shrinkage structure is arranged in the sliding groove. Has the advantages that: in the process that plug and socket combine, stretch out the board because its length is not enough when inserting in the socket, and then can not contact with the inside electric contact piece of socket for stretch out the board and can not switch on at the in-process of inserting, even if consequently the condition that the mistake touched appears in the inserting process also can not lead to electrocuteeing.

Description

Overheat alarm plug

Technical Field

The invention relates to the technical field of power equipment, in particular to an overheating alarm plug.

Background

Generally, a connector of an electronic product is connected with a plug of an electrical appliance, which is called a plug, and the plug is usually combined with a socket to provide a stable power supply for the electrical appliance.

Along with the development of science and technology, power equipment's constantly increase, people are more and more serious to power equipment's dependence, and inevitable during the use of plug, and the security direct influence people's life safety of plug use, and current plug does not have the warning function in actual use, last when great with electrical apparatus power, the great plug position temperature that makes of electric current in the circuit constantly rises, and then make the line damage appear easily in the plug position, lead to catching fire and electrocute when serious, threat to people's safety causes, consequently need one kind and can reach the safety plug who sends the warning when the high temperature urgently.

Disclosure of Invention

The invention aims to solve the problem that plug heat is not easy to find to cause plug damage in the prior art, and provides an overheating alarm plug.

In order to achieve the purpose, the invention adopts the following technical scheme: an overheating alarm plug comprises a shell, the inner wall of the shell is rotationally connected with a rotating shaft through a torsional spring, a rotating plate is fixed at one end of the rotating shaft far away from the inside of the shell and is in penetrating and rotating connection with the side wall of the shell, two symmetrically arranged extending plates are fixed on the side wall of the rotating plate in a penetrating way, two electricity connecting blocks which are respectively abutted against the two extending plates are fixed on the inner wall of the shell, the side wall of the extension plate is provided with a sliding chute in a penetrating way, the sliding chute is internally provided with a shrinkage-resistant structure, a limiting electromagnet is fixed at one end of the shell far away from the rotating plate, a baffle plate which is abutted against the limiting electromagnet is fixed on the circumferential side wall of one end of the rotating shaft far away from the rotating plate, the inner wall of shell is fixed with the heated case and the control box of intercommunication each other, the inside temperature that is equipped with of heated case detects the structure, the lateral wall of shell runs through and is provided with the bulb, the inside of shell is equipped with heat radiation structure.

In foretell overheated alarm plug, the temperature detects the structure including being fixed in the connecting spring on the heated box inner wall, the one end that connecting spring is close to the control box is fixed with the push pedal with the sealed sliding connection of heated box inner wall, the one end that the push pedal is close to the control box is fixed with the push rod, the downside inner wall of control box is fixed with first feeler block and second feeler block, the downside inner wall of control box rotates through the torsional spring and is connected with first bull stick, the upside inner wall of control box rotates through the torsional spring and is connected with the second bull stick that offsets the contact with the second feeler block.

In foretell overheated alarm plug, heat radiation structure is including running through a plurality of ventilation holes of seting up on the shell inner wall, one side inner wall that the shell kept away from the commentaries on classics board is fixed with the heat dissipation electro-magnet, the upside inner wall of shell rotates through the torsional spring to be connected with the swing board, the lower extreme of swing board is fixed with the absorption piece.

In the above-mentioned overheated alarm plug, the anti-touch shrinkage structure is including fixing the reset spring on the spout keeps away from electricity piece one end inner wall, the one end that reset spring is close to electricity piece is fixed with the electric pole that connects with spout inner wall sliding connection, the one end that connects the electric pole to be close to electricity piece is fixed with and repels the piece, the inner wall of shell is fixed with rectangular form magnetic path.

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

1. in the invention, in the process of combining the plug and the socket, the extension plate cannot be contacted with an electric connecting piece in the socket due to insufficient length when inserted into the socket, so that the extension plate cannot be electrified in the insertion process, and electric shock cannot be caused even if the extension plate is mistakenly contacted in the insertion process;

2. according to the socket, the magnetic block is rotated to the position corresponding to the extending plate by rotating the shell, so that the repelling block is subjected to the magnetic force discharge effect to drive the electric connecting rod to extend out, the electric connecting rod is connected with the electric connecting piece in the socket, the electrification is realized, the limit electromagnet attracts the stop block after the electrification, the stop block is attracted and limited, the continuous electrification is completed through the rotation, the effective power supply is ensured, and the operation is convenient and fast without causing inconvenience in use;

3. according to the invention, after being electrified, the heat dissipation electromagnet is electrified and started, so that the adsorption block drives the swinging plate to swing continuously under the action of the magnetic force of the adsorption block, and further the airflow is disturbed to form wind power, the airflow flowing inside and outside the shell is accelerated, the heat exchange efficiency is improved, the heat dissipation effect is improved, the circuit is prevented from being damaged due to the temperature rise inside the shell, and the function of protecting the circuit and prolonging the service life of the plug is achieved;

4. when the electric appliance works with continuous high power, the current in the circuit is larger and continuous, the heat productivity of the circuit at the position of the plug is increased, the temperature in the shell rises quickly, the heat dissipation capacity is limited, dichloromethane in the heated box is evaporated continuously, the push plate pushes the push rod to move towards the control box continuously, the push rod pushes the first rotating rod to be contacted with the first contact block step by step, the bulb is electrified and flickers to prompt a user, the use power is changed timely to avoid damaging the circuit, when the user does not react, the push rod moves continuously to separate the second rotating rod from the second contact block, the limiting electromagnet is powered off, the shell rotates, the forced power off is realized, and the safety of the circuit is effectively protected.

Drawings

Fig. 1 is a schematic structural view of an overheat alarm plug according to the present invention;

FIG. 2 is a cross-sectional view taken along the direction A in FIG. 1;

fig. 3 is a schematic structural view of a heat receiving box portion of an overheat alarm plug according to the present invention.

In the figure: the device comprises a shell 1, a rotating shaft 2, a rotating plate 3, a baffle 4, a limiting electromagnet 5, an extending plate 6, an electricity connecting block 7, a magnetic block 8, a sliding chute 9, a return spring 10, an electricity connecting rod 11, a heat radiating electromagnet 12, a swinging plate 13, an adsorption block 14, a ventilation hole 15, a heat receiving box 16, a control box 17, a connecting spring 18, a push plate 19, a push rod 20, a first rotating rod 21, a first contact block 22, a second contact block 23, a second rotating rod 24, a bulb 25 and a repulsion block 26.

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, an overheating alarm plug comprises a housing 1, wherein the inner wall of the housing 1 is rotatably connected with a rotating shaft 2 through a torsion spring, one end of the rotating shaft 2 far away from the interior of the housing 1 is fixed with a rotating plate 3, the rotating plate 3 is rotatably connected with the side wall of the housing 1 in a penetrating manner, the side wall of the rotating plate 3 is fixedly provided with two symmetrically arranged extending plates 6 in a penetrating manner, the inner wall of the housing 1 is fixed with two electricity-receiving blocks 7 respectively abutted against the two extending plates 6, the side wall of the extending plate 6 is provided with a sliding chute 9 in a penetrating manner, the interior of the sliding chute 9 is provided with an anti-shock shrinkage structure, one end of the housing 1 far away from the rotating plate 3 is fixed with a limiting electromagnet 5, the circumferential side wall of the rotating shaft 2 far away from the end of the rotating plate 3 is fixed with a baffle 4 abutted against the limiting electromagnet 5, the inner wall of the housing 1 is fixed with a heated box, the side wall of the shell 1 is provided with a bulb 25 in a penetrating way, the bulb 25 is an LED flashing lamp, and the inside of the shell 1 is provided with a heat dissipation structure.

The temperature detection structure comprises a connecting spring 18 fixed on the inner wall of a heated box 16, one end of the connecting spring 18 close to a control box 17 is fixed with a push plate 19 in sealing sliding connection with the inner wall of the heated box 16, one end of the push plate 19 close to the control box 17 is fixed with a push rod 20, the lower inner wall of the control box 17 is fixed with a first contact block 22 and a second contact block 23, the lower inner wall of the control box 17 is rotatably connected with a first rotating rod 21 through a torsion spring, the upper inner wall of the control box 17 is rotatably connected with a second rotating rod 24 in abutting contact with the second contact block 23 through a torsion spring, the first rotating rod 21 and the first contact block 22 are connected in a switch-on circuit of a bulb 25 through a lead, the bulb 25 flickers after the first rotating rod and the second rotating rod, the second contact block 23 and the second rotating rod 24 are connected in a switch-on circuit of a limiting electromagnet 5 through leads, and the limiting electromagnet 5 is.

The heat radiation structure is including running through a plurality of ventilation holes 15 of seting up on the inner wall of shell 1, ventilation hole 15 upper and lower symmetric distribution, form air current annular channel, the inside and outside air exchange of shell 1 accelerates, one side inner wall that shell 1 kept away from commentaries on classics board 3 is fixed with heat dissipation electro-magnet 12, the upside inner wall of shell 1 is connected with swing board 13 through the torsional spring rotation, the lower extreme of swing board 13 is fixed with adsorbs piece 14, it is the permanent magnet to adsorb piece 14, heat dissipation electro-magnet 12 will produce alternate change's magnetic field after letting in the alternating current, and then make and adsorb piece 14 and do reciprocating swing under the magnetic.

Prevent touching contraction structure including fixing at spout 9 and keeping away from reset spring 10 on the one end inner wall of electricity receiving block 7, reset spring 10 is close to the one end of electricity receiving block 7 and is fixed with the electric pole 11 that connects with spout 9 inner wall sliding connection, connect electric pole 11 and spout 9 inner wall in close contact with and can not appear the fault, and then the poor contact condition after can not appearing the circular telegram, the one end that connects electric pole 11 to be close to electricity receiving block 7 is fixed with and repels piece 26, the inner wall of shell 1 is fixed with rectangular form magnetic path 8, magnetic path 8 will be relative with stretching out 6 positions of board after rotating ninety degrees, and then repels piece 26, when the two misplaces, it will not receive magnetic force effect to repel piece 26, magnetic path 8 with repel piece 26 and be permanent magnet and the two repel.

According to the invention, when the plug is used, the extension plate 6 is firstly inserted into the socket, and the extension plate 6 is short, so that the extension plate 6 can not contact with an electric connection piece in the socket, and further the extension plate 6 can not be electrified in the process of being inserted into the socket, therefore, electric shock in the insertion process can be effectively avoided, and the use process is safer;

after the extension plate 6 is inserted into the socket, the shell 1 is rotated, the extension plate 6 is blocked by the socket and cannot rotate, so that the shell 1 and the rotating shaft 2 rotate relatively, the torsion spring connected with the rotating shaft 2 is stretched, after the shell 1 rotates, the electric connection block 7 in the shell 1 abuts against the extension plate 6, the magnetic block 8 moves to a position corresponding to the extension plate 6, the magnetic block 8 repels the repulsion block 26 in the sliding groove 9, the repulsion block 26 drives the electric connection rod 11 to compress the reset spring 10 and extend out of the sliding groove 9 under the action of magnetic repulsion, and the electric connection rod 11 extends out and contacts with an electric connection piece in the socket, so that the whole circuit is electrified, and an electric appliance can be used;

after the circuit is electrified, the limiting electromagnet 5 is electrified to generate strong magnetic force and attract the baffle 4, so that the baffle 4 is attached to the limiting electromagnet 5, the shell 1 is loosened, the limiting electromagnet 5 cannot be struggled due to the fact that the elasticity of a torsional spring connected with the rotating shaft 2 is insufficient, the rotating shaft 2 cannot rotate, the whole device is in a good electrified state, when a plug needs to be pulled out, the shell 1 is rotated reversely, so that the baffle 4 struggles the limiting electromagnet 5, after the shell 1 rotates, the magnetic block is staggered with the extending plate 6, the electric connecting rod 11 is reset, power is cut off, and the electric shock can be effectively avoided due to the fact that the extending plate 6 is not electrified in the process of pulling out;

after the power is on, the heat dissipation electromagnet 12 is synchronously electrified, so that the heat dissipation electromagnet 12 generates a magnetic force action on the adsorption block 14, and as the heat dissipation electromagnet 12 is electrified with alternating current, the N pole and the S pole of the heat dissipation electromagnet 12 are continuously alternated, so that the direction of the magnetic force action of the heat dissipation electromagnet 12 on the adsorption block 14 is continuously changed, and the magnetic force action is cyclically reciprocated between attraction and repulsion, so that the adsorption block 14 is periodically close to and away from the heat dissipation electromagnet 12, the adsorption block 14 drives the swinging plate 13 to continuously swing, and further peripheral airflow is disturbed to form wind power, so that air inside the shell 1 is rapidly exchanged with external air under the disturbance of the air, and further the heat dissipation effect is achieved;

after the power of the electric appliance is increased, the heat productivity of the circuit is increased along with the increase of the current, and is particularly obvious in the environment with higher temperature, and the high temperature in the shell 1 directly affects the service life and the use safety of the circuit, so that the heat dissipation is necessary and the heat dissipation capability is limited, when the power of the electric appliance exceeds the range, the heat in the shell 1 cannot be dissipated timely, the temperature in the heated box 16 is increased, the dichloromethane solution in the heated box is heated and evaporated, the push plate 19 is further pushed to move, the push rod 20 is further moved to the inside of the control box 17, the push rod 20 is continuously moved along with the increase of the temperature, the first rotating rod 21 is further rotated under the pushing of the push rod 20 to be in contact with the first contact block 22, the bulb 25 is electrified and flickered, and a user is prompted to inform that the high-power service time is longer, the continuous progress causes risks, and a user can respond in time;

and when the user did not discover, push rod 20 will continue to remove until with the contact of second bull stick 24, make second bull stick 24 separate with second touch multitouch 23 under its promotion, and then lead to spacing electro-magnet 5 outage, and then baffle 4 lose the restraint, make to connect and reset under the spring action of the torsional spring of pivot 2, lead to the shell 1 gyration, and then make magnetic path 8 rotate and with stretch out board 6 dislocation, lead to that the electric pole 11 gets back to inside spout 9 under reset spring 10's spring action, make electric pole 11 and the inslot contact separation of socket, and then force the outage, avoid high temperature and the conflagration risk that leads to with the long-time high power use of electrical apparatus, make the use safer.

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. An overheating alarm plug comprises a shell (1) and is characterized in that a rotating shaft (2) is connected to the inner wall of the shell (1) in a rotating mode through a torsion spring, a rotating plate (3) is fixed to one end, far away from the inside of the shell (1), of the rotating shaft (2), the rotating plate (3) is connected with the side wall of the shell (1) in a penetrating and rotating mode, two extending plates (6) which are symmetrically arranged are fixed to the side wall of the rotating plate (3) in a penetrating and rotating mode, two electricity receiving blocks (7) which are respectively abutted to the two extending plates (6) are fixed to the inner wall of the shell (1), a sliding groove (9) is formed in the side wall of the extending plates (6) in a penetrating and penetrating mode, an anti-touch shrinkage structure is arranged inside the sliding groove (9), a limiting electromagnet (5) is fixed to one end, far away from the rotating plate (3), of the rotating shaft (2), of the circumferential side wall of one end, far away from the rotating plate (3), a heating box (16) and a control box (17) which are mutually communicated are fixed on the inner wall of the shell (1), a temperature detection structure is arranged in the heating box (16), a bulb (25) penetrates through the side wall of the shell (1), and a heat dissipation structure is arranged in the shell (1); prevent touching contraction structure including fixing reset spring (10) on spout (9) keep away from electricity piece (7) one end inner wall, reset spring (10) are close to the one end that connects electricity piece (7) and are fixed with spout (9) inner wall sliding connection's electric pole (11), the one end that connects electric pole (11) are close to electricity piece (7) is fixed with and repels piece (26), the inner wall of shell (1) is fixed with rectangular form magnetic path (8), magnetic path (8) with it is permanent magnet and the two repels to repel piece (26).

2. The plug of claim 1, wherein the temperature detection structure comprises a connecting spring (18) fixed on the inner wall of the heated box (16), one end of the connecting spring (18) close to the control box (17) is fixed with a push plate (19) in sliding connection with the inner wall of the heated box (16) in a sealing manner, one end of the push plate (19) close to the control box (17) is fixed with a push rod (20), the lower inner wall of the control box (17) is fixed with a first contact block (22) and a second contact block (23), the lower inner wall of the control box (17) is rotatably connected with a first rotating rod (21) through a torsion spring, and the upper inner wall of the control box (17) is rotatably connected with a second rotating rod (24) which is in contact with the second contact block (23) in an abutting manner through a torsion spring.

3. The plug of claim 1, wherein the heat dissipation structure comprises a plurality of ventilation holes (15) formed through the inner wall of the housing (1), a heat dissipation electromagnet (12) is fixed on the inner wall of one side of the housing (1) far away from the rotating plate (3), a swinging plate (13) is rotatably connected to the inner wall of the upper side of the housing (1) through a torsion spring, and an adsorption block (14) is fixed at the lower end of the swinging plate (13).