CN216487863U

CN216487863U - Temperature sensitive controller

Info

Publication number: CN216487863U
Application number: CN202220103022.0U
Authority: CN
Inventors: 曹建毅; 鞠俊
Original assignee: JIANGSU CHANGSHENG ELECTRIC APPLIANCE CO Ltd
Current assignee: JIANGSU CHANGSHENG ELECTRIC APPLIANCE CO Ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-05-10
Anticipated expiration: 2032-01-14

Abstract

The utility model relates to a temperature sensitive controller, including first pin and the second pin that shell and shell inner chamber were drawn forth, still have the bottom plate that is used for fixed first pin and second pin, be provided with insulating seat, stationary contact, movable contact, shell fragment and temperature sensing piece on the bottom plate respectively. This application is rational in infrastructure, can guarantee the normal operating of circuit, avoids the high temperature to bring the harm for drive arrangement on the circuit.

Description

Temperature sensitive controller

Technical Field

The utility model relates to a circuit control protection device especially relates to a circuit temperature controller.

Background

Along with the development of society, driving parts such as motor, motor are used in each field, at circuit driving motor, motor during operation, will produce the heat by force, in case circuit temperature is too high or motor, motor self break down, circuit temperature will be too high, if can not in time cut off the short circuit, will produce irreversible damage to the device, consequently need add in the circuit to establish one kind can in time cut off the circuit when the temperature is too high, avoid the sensitive controlling means of protection temperature that the temperature continues to rise to realize the purpose of fusing circuit.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a temperature sensitive controller, including first pin and the second pin that shell and shell inner chamber were drawn forth, still have the bottom plate that is used for fixed first pin and second pin, be provided with insulator bracket, stationary contact, movable contact, shell fragment and temperature sensing piece on the bottom plate respectively.

Preferably, the insulating seat is fixedly arranged at the front end of the bottom plate, the structure and the size of the insulating seat are matched with the inner cavity of the shell, the bottom plate is fixedly arranged in the inner cavity of the shell through the insulating seat, the riveting piece is fixedly arranged at the rear end of the bottom plate, the elastic piece and the rear end of the temperature sensing piece are fixedly riveted on the riveting piece, the temperature sensing piece is positioned between the elastic piece and the bottom plate, and the front end of the temperature sensing piece is contacted with the elastic piece.

Preferably, the movable contact is fixedly arranged at the front end of the elastic sheet, the insulating seat is provided with a placing cavity for placing the static contact, the static contact is matched with the movable contact, the static contact penetrates through the front end face of the insulating seat to enter the placing cavity to be connected with the static contact, the first pin is connected with the static contact, and the front end of the bottom plate is provided with a bottom plate contact point connected with the second pin.

Preferably, the bottom plate is fixedly provided with a limiting bulge which is contacted with the lower end face of the temperature sensing piece.

Preferably, the insulating seat is provided with limiting grooves at two sides of the placing cavity, the two sides of the bottom plate are provided with covered edges, the bottom plate is provided with limiting bulges matched with the limiting grooves at the covered edges, and the insulating seat is fixedly arranged at the front end of the bottom plate through the matching of the limiting grooves and the limiting bulges.

Preferably, the first pin and the second pin are both provided with wire winding holes.

By the scheme, the invention at least has the following advantages:

this application can set up on the circuit through first pin and second pin, becomes a part of circuit, and can realize the intercommunication of first pin and second pin through stationary contact, movable contact, shell fragment and temperature sensing piece, in case the circuit temperature is too high, temperature sensing piece will be heated deformation, drives the movable contact on the shell fragment and leaves the stationary contact, and the circuit has just realized the disconnection in first pin and second pin department like this, has reached protection circuit's purpose.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of the temperature-sensitive controller of the present invention;

fig. 2 is a schematic structural diagram of the temperature sensitive controller of the present invention with the housing 1 removed;

fig. 3 is a schematic view of the structural relationship among the stationary contact 6, the moving contact 7, the spring plate 8, the temperature sensing piece 9 and the riveting piece 10 of the present invention;

fig. 4 is a schematic structural diagram of the temperature sensitive controller of the present invention with the housing 1 removed;

fig. 5 is a schematic view of the structural relationship between the housing 1 and the insulating base 5 of the present invention.

In the figure: the device comprises a shell 1, a first pin 2, a second pin 3, a bottom plate 4, an insulating base 5, a fixed contact 6, a movable contact 7, an elastic sheet 8, a temperature sensing sheet 9, a riveting sheet 10, a placing cavity 11, a fixed contact 12, a bottom plate contact 13, a limiting bulge 14, a limiting groove 15, a covered edge 16, a winding hole 17 and a buckle 18.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 5, a temperature sensitive controller according to a preferred embodiment of the present invention includes a housing 1, a first pin 2 and a second pin 3 led out from an inner cavity of the housing 1, and a bottom plate 4 for fixing the first pin 2 and the second pin 3, wherein the bottom plate 4 is provided with an insulating base 5, a stationary contact 6, a movable contact 7, an elastic sheet 8 and a temperature sensing plate 9.

Preferably, the fixed front end that sets up at bottom plate 4 of insulator seat 5, the structure of insulator seat 5, size and shell 1's inner chamber phase-match, bottom plate 4 passes through the fixed inner chamber that sets up at shell 1 of insulator seat 5, and riveting piece 10 is fixed to be set up in the rear end of bottom plate 4, and the rear end riveting of shell fragment 8 and temperature sensing piece 9 is fixed on riveting piece 10, and temperature sensing piece 9 is located between shell fragment 8 and the bottom plate 4, and the front end and the shell fragment 8 of temperature sensing piece 9 contact.

Preferably, the movable contact 7 is fixedly arranged at the front end of the elastic sheet 8, the insulating base 5 is provided with a placing cavity 11 for placing the fixed contact 6, the fixed contact 6 is matched with the movable contact 7, the fixed contact 12 penetrates through the front end face of the insulating base 5 to enter the placing cavity 11 to be connected with the fixed contact 6, the first pin 2 is connected with the fixed contact 12, and the front end of the bottom plate 4 is provided with a bottom plate contact point 13 connected with the second pin 3.

Preferably, a limiting bulge 14 contacting with the lower end surface of the temperature sensing piece 9 is fixedly arranged on the bottom plate 4.

Preferably, the two sides of the insulating base 5 located in the placing cavity 11 are provided with limiting grooves 15, the two sides of the bottom plate 4 are provided with covered edges 16, the bottom plate 6 located at the covered edges 16 is provided with buckles 18 matched with the limiting grooves 15, and the insulating base 5 is fixedly arranged at the front end of the bottom plate 4 through the matching of the limiting grooves 15 and the buckles 18.

Preferably, the first pin 2 and the second pin 3 are provided with wire winding holes 17.

The working principle of the utility model is as follows:

when in use, the first pin 2 and the second pin 3 can be connected to a circuit, namely the first pin 2, the static contact 6, the movable contact 7, the elastic sheet 8, the bottom plate 4 and the second pin 3 form a complete passage, so that the normal operation of the circuit can be ensured, and driving devices such as a motor and the like can normally work, once the circuit temperature is increased due to overlong working time or the driving devices such as the motor and the like have faults, when the circuit temperature continuously rises, the temperature sensing sheet 9 (bimetallic sheet) can be heated and deformed and upwarps to drive the elastic sheet 8 to warp, at the moment, the movable contact 7 can leave the static contact 6, so that the circuit is disconnected at the first pin 2 and the second pin 3, no current passes through, the driving devices such as the motor and the like can not naturally work continuously, the purpose of protection is realized, after the temperature sensing sheet 9 can reset to drive the movable elastic sheet 8 to reset, the moving contact 7 can contact the stationary contact 6 and the line is again connected.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a temperature-sensitive controller, includes first pin (2) and second pin (3) that shell (1) and shell (1) inner chamber were drawn forth which characterized in that: the temperature-sensing switch is characterized by further comprising a bottom plate (4) used for fixing the first pin (2) and the second pin (3), wherein the bottom plate (4) is respectively provided with an insulating seat (5), a fixed contact (6), a movable contact (7), an elastic sheet (8) and a temperature-sensing sheet (9).

2. The temperature sensitive controller of claim 1, wherein: insulating seat (5) are fixed and are set up the front end in bottom plate (4), the structure of insulating seat (5), the inner chamber phase-match of size and shell (1), bottom plate (4) are through the fixed inner chamber that sets up in shell (1) of insulating seat (5), rivet piece (10) are fixed and are set up the rear end in bottom plate (4), the rear end riveting of shell fragment (8) and temperature sensing piece (9) is fixed on riveting piece (10), temperature sensing piece (9) are located between shell fragment (8) and bottom plate (4), and the front end and shell fragment (8) of temperature sensing piece (9) contact.

3. The temperature sensitive controller of one of claims 1 or 2, wherein: the movable contact (7) is fixedly arranged at the front end of the elastic sheet (8), the insulating seat (5) is provided with a placing cavity (11) for placing the static contact (6), the static contact (6) is matched with the movable contact (7), the static contact (12) penetrates through the front end face of the insulating seat (5) to enter the placing cavity (11) to be connected with the static contact (6), the first pin (2) is connected with the static contact (12), and the front end of the bottom plate (4) is provided with a bottom plate contact point (13) connected with the second pin (3).

4. The temperature sensitive controller of claim 2, wherein: the bottom plate (4) is fixedly provided with a limit bulge (14) which is contacted with the lower end surface of the temperature sensing piece (9).

5. The temperature sensitive controller of claim 2, wherein: the insulating seat (5) is located the both sides of placing chamber (11) and opens and have spacing groove (15), and the both sides of bottom plate (4) have bordure (16), and bottom plate (4) are located bordure (16) department have with spacing groove (15) matched with buckle (18), through the cooperation of spacing groove (15) and buckle (18), the fixed front end that sets up at bottom plate (4) of insulating seat (5).

6. The temperature sensitive controller of claim 1, wherein: the first pin (2) and the second pin (3) are both provided with wire winding holes (17).