CN213025946U

CN213025946U - High-efficient conduction type thermal protector

Info

Publication number: CN213025946U
Application number: CN202022226092.9U
Authority: CN
Inventors: 李洪海
Original assignee: Huaian Baokai Electric Appliance Co ltd
Current assignee: Huaian Baokai Electric Appliance Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-04-20
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a high-efficiency conduction type thermal protector, which belongs to the technical field of thermal protectors, and particularly relates to a high-efficiency conduction type thermal protector, which comprises a body, a heat dissipation device and a warning device, wherein the heat dissipation device is positioned above the left side in the body, the left side and the right side of the outer wall of the body are respectively provided with an inlet socket and an outlet socket, the middle part of the left side in the body is transversely provided with a metal sheet, the outer wall of the metal sheet is wound with a resistance wire, after the metal sheet is deformed and bent upwards due to overheating, a tension spring pulls a buckle plate, so that a moving contact is disconnected with a first static contact, overheating protection is completed, the buckle plate is moved to drive the copper plate to move, the copper plate is contacted with a second static contact, an electric wire in a support plate is electrified, the heat dissipation device works immediately to, meanwhile, a warning sound is given out to remind the staff of carrying out overheating treatment at the first time.

Description

High-efficient conduction type thermal protector

Technical Field

The utility model relates to a hot protector technical field specifically is a high-efficient conduction type hot protector.

Background

The thermal protector is a circuit protection device as an indispensable electrical element in a modern circuit, accidents are caused when the circuit is prevented from being overheated, most of thermal protectors do not have an alarm function at present, the alarm cannot be carried out after the circuit is cut off, the existing thermal protector does not have a heat dissipation device, when an internal metal sheet is overheated to cut off the circuit, the internal temperature of the protector rises, if the protector does not immediately dissipate heat, internal parts of a device can be damaged, and unnecessary loss is brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient conduction type thermal protector to the alarm function that does not provide among the above-mentioned background of solution, can't report to the police after the cutting off circuit, and current thermal protector does not have heat abstractor, when overheated cutting off circuit of inside sheetmetal, makes the inside temperature of protector rise, if not dispel the heat immediately to it, can lead to the damage of internal part of ware, brings the problem of unnecessary loss.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency conduction type thermal protector comprises a body, heat dissipation equipment and a warning device, wherein the heat dissipation equipment is positioned above the left side in the body, an inlet socket and an outlet socket are respectively arranged on the left side and the right side of the outer wall of the body, a metal sheet is transversely arranged in the middle of the left side in the body, a resistance wire is wound on the outer wall of the metal sheet and is connected with the inlet socket, a fixed seat is arranged in the middle of the inner bottom of the body, a tension spring is connected with the right side wall of the fixed seat, a limit block is arranged on the right side of the inner bottom of the body, a movable groove I is longitudinally arranged in the limit block, a reset plate is arranged in the movable groove I, the left side of the reset plate is connected with the bottom of a buckle plate, the upper part of the left side wall of the buckle plate is, the copper is installed on insulation board top right side, the moving contact is installed on the copper right side, the resistance wire is connected with the copper left side, it has first quiet contact to manage right side wall mid-mounting in the ware, the moving contact right side wall is connected with a static contact left side wall, first quiet contact is connected with the export socket, movable groove two has vertically been seted up to ware body right side wall below, reset plate right side extension end passes movable groove two and extends to the ware external portion, reset plate extension end top is equipped with the press piece that resets.

Preferably, the warning device comprises a supporting plate, a second static contact and a warning indicator, the supporting plate is installed at the top of the right side in the device body, the second static contact is installed at the bottom of the right side wall of the supporting plate, the warning indicator is installed on the right side of the top of the device body, an electric wire is arranged in the supporting plate, and the second static contact is connected with the warning indicator through the electric wire.

Preferably, the power supply input end of the heat dissipation device is connected with an electric wire in the support plate.

Preferably, the warning indicator is an LED warning lamp, and a loudspeaker is arranged in the LED warning lamp.

Preferably, a third movable groove is transversely formed in the limiting block, a rotating column is inserted in the third movable groove, the front surface and the back surface of the rotating column penetrate through the third movable groove to be connected with the limiting disc, a fourth movable groove matched with the rotating column is transversely formed in the middle of the left end of the reset plate, and the four inner walls of the movable groove are connected with the outer wall of the rotating column.

Compared with the prior art, the beneficial effects of the utility model are that:

1) after the metal sheet is overheated to generate deformation and bend upwards, the tension spring pulls the pinch plate, so that the moving contact is disconnected with the first static contact, overheating protection is completed, the pinch plate moves to drive the copper plate to move, the copper plate is contacted with the second static contact, the electric wire in the supporting plate is electrified, the heat dissipation equipment works immediately to dissipate heat in the device body, the device body is quickly dissipated, and other parts are prevented from being damaged due to overhigh temperature in the device body.

2) When the electric wire in the supporting plate is electrified, the alarm flashes when working, and simultaneously gives out alarm sound to remind a worker to carry out overheating treatment at the first time.

Drawings

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

fig. 2 is a schematic diagram of the structure of the limiting block of the present invention.

In the figure: the device comprises a device body 1, an inlet socket 2, a metal sheet 3, a heat dissipation device 4, a resistance wire 5, a warning device 6, an outlet socket 7, a support plate 8, a fixed contact II 9, a fixed seat 10, a tension spring 11, a limiting block 12, a pinch plate 13, an insulating plate 14, a copper plate 15, a reset plate 16, a limiting plate 17, a rotating column 18 and a movable groove III 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: a high-efficiency conduction type thermal protector comprises a body 1, a heat dissipation device 4 and a warning device, wherein the heat dissipation device 4 is positioned above the left side in the body 1, heat dissipation is carried out in the body, other parts are prevented from being damaged due to overhigh temperature in the body, an inlet socket 2 and an outlet socket 7 are respectively arranged on the left side and the right side of the outer wall of the body 1, a metal sheet 3 is transversely installed in the middle of the left side in the body 1, the metal sheet 3 is double-layer, the thermal expansion coefficient of the upper layer is small, the thermal expansion coefficient of the lower layer is large, when the current passing through a resistance wire 5 exceeds the rated value and is overheated, the metal sheet 3 is heated and can be bent upwards, the outer wall of the metal sheet 3 is wound with a resistance wire 5, the resistance wire 5 is connected with the inlet socket 2, a fixed seat 10 is installed in the middle of the, a first movable groove is longitudinally formed in the limiting block 12, a reset plate 16 is arranged in the first movable groove, the left side of the reset plate 16 is connected with the bottom of a buckle plate 13, the upper portion of the left side wall of the buckle plate 13 is connected with the right side wall of a metal sheet 3, the middle portion of the left side wall of the buckle plate 13 is connected with the right side of a tension spring 11, an insulating plate 14 is transversely connected with the middle portion of the right side wall of the buckle plate 13, a copper plate 15 is installed on the right side of the top of the insulating plate 14, a movable contact is installed on the right side of the copper plate 15, a resistance wire 5 is connected with the left side of the copper plate 15, a first stationary contact is installed in the middle portion of the right side wall in the device body 1, the right side wall of the movable contact is connected with a left side wall of a stationary contact, the first stationary contact is connected with an outlet socket 7, the tension spring, accomplish outage and overheat protection, the first movable groove of vertically having seted up in the 1 right side wall below of ware body, the board 16 right side that resets extends the end and passes the second movable groove and extend to the ware body 1 outside, the board 16 that resets extends the end top and is equipped with the pressure piece that resets, presses the board 16 that resets downwards to can reset buckle 13 and sheetmetal 3 contact, carry out next overheat protection.

The warning device comprises a supporting plate 8, a second static contact 9 and a warning indicator 6, the supporting plate 8 is installed at the top of the right side in the device body 1, the second static contact 9 is installed at the bottom of the right side wall of the supporting plate 8, the warning indicator 6 is installed at the right side of the top of the device body 1, an electric wire is arranged in the supporting plate 8, the second static contact 9 is connected with the warning indicator 6 through the electric wire, the buckle plate 13 moves to drive the copper plate 15 to move, the copper plate 15 is in contact with the second static contact 9, the electric wire in the supporting plate 8 is electrified.

And the power supply input end of the heat dissipation device 4 is connected with an electric wire in the support plate 8.

The warning indicator 6 is an LED warning lamp, a loudspeaker is arranged in the LED warning lamp, the warning indicator 6 flashes when working, and meanwhile, a warning sound is given out to remind a worker to process the warning indicator at the first time.

The stopper 12 is interior transversely to have seted up activity groove three 19, the interpolation of activity groove three 19 is equipped with rotates post 18, it all passes activity groove three 19 and is connected with spacing dish 17 with the back to rotate post 18 openly, 16 left side ends middle parts of returning the place and transversely seted up and rotate post 18 assorted activity groove four, four inner walls in activity groove and the outer wall connection of rotating post 18.

The working principle is as follows: the thermal protector is connected under an electric appliance needing protection through the inlet socket 2 and the outlet socket 7, the inlet socket 2 is connected with a power supply to enable the resistance wire 5, the copper plate 15 and the static contact to be electrified, when the current passing through the resistance wire 5 exceeds the rated value and is overheated, the metal sheet 3 is heated and bent upwards, the tension spring 11 pulls the pinch plate 13 to rotate, the pinch plate 13 rotates to drive the reset plate 16 to tilt upwards, the pinch plate 13 rotates to drive the insulation plate 14 to displace with the copper plate 15, the copper plate 15 moves to enable the moving contact to be separated from the static contact, power failure and overheating protection are completed, no current is output from the outlet socket 7, the pinch plate 13 moves to drive the copper plate 15 to move at the moment, the copper plate 15 is contacted with the static contact 9, the electric wire inside the supporting plate 8 is electrified, the heat dissipation equipment 4 works immediately to dissipate heat in the appliance body 1, meanwhile, the alarm 6, the reset plate 16 is pressed downwards, so that the buckle plate 13 can be reset to be in contact with the metal sheet 3, and the next overheating protection is carried out.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient conduction type thermal protector, includes the ware body (1), heat-radiating equipment (4) and warning device, heat-radiating equipment (4) are located the ware body (1) in the left side top, its characterized in that: the device is characterized in that an inlet socket (2) and an outlet socket (7) are respectively arranged on the left side and the right side of the outer wall of the device body (1), a metal sheet (3) is transversely installed in the middle of the inner left side of the device body (1), a resistance wire (5) is wound on the outer wall of the metal sheet (3), the resistance wire (5) is connected with the inlet socket (2), a fixing seat (10) is installed in the middle of the inner bottom of the device body (1), a tension spring (11) is connected with the right side wall of the fixing seat (10), a limiting block (12) is installed on the right side of the inner bottom of the device body (1), a movable groove I is longitudinally formed in the limiting block (12), a reset plate (16) is arranged in the movable groove I, the left side of the reset plate (16) is connected with the bottom of a buckle plate (13), the upper portion of the left side wall of the buckle, buckle (13) right side wall middle part transverse connection has insulation board (14), copper (15) are installed on insulation board (14) top right side, the moving contact is installed on copper (15) right side, resistance wire (5) are connected with copper (15) left side, right side wall mid-mounting has static contact one in the ware body (1), the moving contact right side wall is connected with a static contact left side wall, static contact one is connected with export socket (7), the activity groove two has vertically been seted up to ware body (1) right side wall below, it passes activity groove two and extends the ware body (1) outside to reset board (16) right side extension end, it is equipped with the pressure piece that resets to reset board (16) extension end top.

2. A high efficiency conductive thermal protector according to claim 1 wherein: the warning device comprises a supporting plate (8), a second static contact (9) and a warning indicator (6), the supporting plate (8) is installed at the top of the inner right side of the device body (1), the second static contact (9) is installed at the bottom of the right side wall of the supporting plate (8), the warning indicator (6) is installed on the right side of the top of the device body (1), an electric wire is arranged in the supporting plate (8), and the second static contact (9) is connected with the warning indicator (6) through the electric wire.

3. A high efficiency conductive thermal protector as set forth in claim 2 wherein: and the power supply input end of the heat dissipation device (4) is connected with an inner wire of the support plate (8).

4. A high efficiency conductive thermal protector as set forth in claim 2 wherein: the warning indicator (6) is an LED warning lamp, and a loudspeaker is arranged in the LED warning lamp.

5. A high efficiency conductive thermal protector according to claim 1 wherein: activity groove three (19) have transversely been seted up in stopper (12), activity groove three (19) interpolation is equipped with rotates post (18), it all passes activity groove three (19) with the back and is connected with spacing dish (17) to rotate post (18) openly, reset plate (16) left side end middle part transversely seted up with rotate post (18) assorted activity groove four, four inner walls in activity groove and rotation post (18) outer wall connection.