CN211125495U

CN211125495U - Temperature controller

Info

Publication number: CN211125495U
Application number: CN201922260344.7U
Authority: CN
Inventors: 杨宜同; 曾接兴
Original assignee: Guangdong Galanz Enterprises Co Ltd
Current assignee: Guangdong Galanz Enterprises Co Ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-07-28
Anticipated expiration: 2029-12-14

Abstract

The utility model provides a temperature controller, leads to including the porcelain, the porcelain leads to the outside by preceding cover in proper order after to be equipped with front bezel, first magnetic ring, long shell fragment, second magnetic ring, contact plate, third magnetic ring and bimetallic strip, and the one end of long shell fragment is provided with short shell fragment, is provided with first silver contact and porcelain strip on the short shell fragment, is provided with second silver contact on the contact plate, and the porcelain strip is located between bimetallic strip and the short shell fragment, and the heat-generating body is installed to the rear side of bimetallic strip, and the heat-generating body is close to the bimetallic strip, and the rear side cap of heat-generating body is. The utility model discloses a temperature controller sets up the heat-generating body through the rear side at the bimetallic strip, and the break-make of temperature controller is controlled to the temperature of bimetallic strip temperature sensing heat-generating body, has solved the problem that the positive and negative tolerance of traditional temperature controller precision is big, sensitivity is not high.

Description

Temperature controller

Technical Field

The utility model relates to the technical field of switches, in particular to temperature controller.

Background

Chinese patent document No. CN209045434U discloses an adjustable temperature controller in 2019, 6 th and 28 th months, which comprises a temperature controller and a temperature limiter connected in series; the temperature controller comprises magnetic rings and a porcelain tube, wherein the magnetic rings are sequentially connected with a pressure plate, an upper spring plate, a fixed contact plate and one end of a bimetallic strip from top to bottom; the plurality of magnetic rings are also connected with a first lug plate and a second lug plate, and the other end of the upper reed is overlapped and fixedly connected with one end of the lower reed; a moving contact is arranged on the lower reed, and a convex column is arranged on the lower reed and opposite to the moving contact; a fixed contact is arranged on the upper spring plate at a position opposite to the convex column; a fixed contact is arranged on the lower reed opposite to the moving contact; the fixed contact and the convex column can be respectively in movable contact connection with the moving contact; porcelain beads are connected between the other end of the bimetallic strip and the overlapped end of the upper reed and the lower reed. The temperature controller has large positive and negative tolerance of precision, low sensitivity and general use effect.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, positive negative tolerance are little, sensitivity is high, safe and reliable's temperature controller to overcome the weak point among the prior art.

According to a temperature controller of this purpose design, lead to including the porcelain, the porcelain leads to the outside by preceding cover in proper order after to be equipped with front bezel, first magnetic ring, long shell fragment, second magnetic ring, contact plate, third magnetic ring and bimetallic strip, the one end of long shell fragment is provided with short shell fragment, be provided with first silver contact and porcelain strip on the short shell fragment, be provided with the silver contact of second on the contact plate, the porcelain strip is located between bimetallic strip and the short shell fragment, its characterized in that: a heating body is arranged on the rear side of the bimetallic strip, the heating body is adjacent to the bimetallic strip, and a heat-insulating cover is arranged on a rear side cover of the heating body; when the temperature of the heating body is too high, the bimetallic strip is heated to deform, the porcelain strip is pushed, the first silver contact and the second silver contact are disconnected, the temperature controller is powered off, the bimetallic strip is cooled and reduced after the temperature controller is powered off, the long elastic piece rebounds, and the first silver contact and the second silver contact are in contact.

A first wiring terminal is arranged between the contact plate and the third magnetic ring, and an insulating sheet is arranged between the long elastic sheet and the second magnetic ring.

One end of the front plate is connected with a control shaft, the control shaft is a hollow shaft, second wiring terminals are integrally arranged on two sides of the front plate, and the control shaft is located between the second wiring terminals on two sides of the front plate.

One side of the control shaft is provided with a positioning part, one end of the front plate is integrally provided with a limiting part, and the positioning part is limited on the limiting part when the control shaft rotates.

The short elastic sheet and the long elastic sheet are of an integrated structure.

The utility model discloses a temperature controller sets up the heat-generating body through the rear side at the bimetallic strip, the temperature controller during operation, transmit the heat to the bimetallic strip through the heat-generating body, when the temperature controller temperature was too high, the bimetallic strip is expanded after being heated, and promote the porcelain strip, make short shell fragment move forward, thereby make first silver contact and the disconnection of second silver contact, realize the outage of whole temperature controller and heat-generating body, after the temperature controller outage, the bimetallic strip cooling returns back, long shell fragment rebounds through the elasticity of self, make first silver contact and the contact of second silver contact close, whole temperature controller and heat-generating body circular telegram, the heat-generating body can transmit the heat to the bimetallic strip high-efficiently, the precision and the sensitivity of temperature controller have been improved widely, it is big to have solved the positive and negative tolerance of traditional temperature.

Drawings

Fig. 1 is a schematic view of an overall structure of a temperature controller according to an embodiment of the present invention.

Fig. 2 is a schematic view of an exploded structure of a temperature controller according to an embodiment of the present invention.

Fig. 3 is a front view of a temperature controller according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of a temperature controller according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-4, the temperature controller comprises a ceramic tube, wherein a front plate 14, a first magnetic ring 13, a long elastic sheet 11, a second magnetic ring 1, a contact plate 6, a third magnetic ring 2 and a bimetallic strip 8 are sequentially sleeved on the outer side of the ceramic tube from front to back, a short elastic sheet 10 is arranged at one end of the long elastic sheet 11, a first silver contact 16 and a ceramic strip 9 are arranged on the short elastic sheet 10, a second silver contact 7 is arranged on the contact plate 6, the ceramic strip 9 is positioned between the bimetallic strip 8 and the short elastic sheet 10, a heating body 5 is arranged on the rear side of the bimetallic strip 8, the heating body 5 is adjacent to the bimetallic strip 8, and a heat-insulating cover 4 is arranged on the rear side; when the temperature of the heating body 5 is too high, the bimetallic strip 8 is heated and expanded, and the porcelain strip 9 is pushed, the short elastic piece 10 is moved forwards, the first silver contact 16 and the second silver contact 7 are disconnected, the power-off of the whole temperature controller and the heating body 5 is realized, after the power-off of the temperature controller, the bimetallic strip 8 is cooled and retracted, the long elastic piece 11 rebounds through the elastic force of the bimetallic strip, the first silver contact 16 is contacted with the second silver contact 7, the whole temperature controller and the heating body 5 are electrified, the heat insulation cover 4 can prevent the heat of the heating body 5 from being dissipated, the heat of the heating body 5 is efficiently transmitted to the bimetallic strip 8, and the precision and the sensitivity of the temperature controller are.

A first wiring terminal 3 is arranged between the contact plate 6 and the third magnetic ring 2, and an insulating sheet 12 is arranged between the long elastic sheet 11 and the second magnetic ring 1.

One end threaded connection of front bezel 14 has control shaft 15, and control shaft 15 is the hollow shaft, and the both sides of front bezel 14 are integrative to be provided with second binding post 17, and control shaft 15 is located between the second binding post 17 of front bezel 14 both sides. Rotating the control shaft 15 moves the long spring plate 11 backward, so that the first silver contact 16 is engaged with the second silver contact 7.

One side of the control shaft 15 is provided with a positioning part 18, one end of the front plate 14 is integrally provided with a limiting part 19, and the positioning part 18 is positioned on the limiting part 19 when the control shaft 15 rotates, so that the rotation of the control shaft 15 is limited, the transition rotation is prevented from falling off, and when the control shaft is used, a user needs to rotate reversely to return to the lowest gear after rotating to the highest gear.

The short spring 10 and the long spring 11 are of an integral structure. The front plate 14, the first magnetic ring 13, the long elastic sheet 11, the insulating sheet 12, the second magnetic ring 1, the contact plate 6, the first wiring terminal 3, the third magnetic ring 2 and the bimetallic strip 8 are all riveted with the rivet.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a temperature controller, leads to including the porcelain, the porcelain leads to the outside by preceding cover in proper order after to be equipped with front bezel (14), first magnetic ring (13), long shell fragment (11), second magnetic ring (1), contact plate (6), third magnetic ring (2) and bimetallic strip (8), the one end of long shell fragment (11) is provided with short shell fragment (10), be provided with first silver contact (16) and porcelain strip (9) on short shell fragment (10), be provided with second silver contact (7) on contact plate (6), porcelain strip (9) are located between bimetallic strip (8) and short shell fragment (10), its characterized in that: a heating body (5) is arranged on the rear side of the bimetallic strip (8), the heating body (5) is adjacent to the bimetallic strip (8), and a heat-insulating cover (4) is arranged on a rear side cover of the heating body (5); when heat-generating body (5) high temperature, bimetallic strip (8) are heated and take place deformation to promote porcelain strip (9), make first silver contact (16) and second silver contact (7) disconnection, make the temperature controller outage, after the temperature controller outage, bimetallic strip (8) cooling reduction, long shell fragment (11) rebound, make first silver contact (16) and second silver contact (7) touch and close.

2. The temperature controller of claim 1, wherein: a first wiring terminal (3) is arranged between the contact plate (6) and the third magnetic ring (2), and an insulating sheet (12) is arranged between the long elastic sheet (11) and the second magnetic ring (1).

3. The temperature controller of claim 2, wherein: one end of the front plate (14) is connected with a control shaft (15), the control shaft (15) is a hollow shaft, second wiring terminals (17) are integrally arranged on two sides of the front plate (14), and the control shaft (15) is located between the second wiring terminals (17) on two sides of the front plate (14).

4. The temperature controller of claim 3, wherein: one side of the control shaft (15) is provided with a positioning part (18), one end of the front plate (14) is integrally provided with a limiting part (19), and the positioning part (18) is positioned on the limiting part (19) when the control shaft (15) rotates.

5. A thermostat according to any of claims 1-4, characterized in that: the short elastic sheet (10) and the long elastic sheet (11) are of an integral structure.