CN217544476U

CN217544476U - Temperature controller

Info

Publication number: CN217544476U
Application number: CN202123228321.1U
Authority: CN
Inventors: 范帅
Original assignee: Maoming 301 Electric Co ltd
Current assignee: Maoming 301 Electric Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-10-04
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a temperature controller, which comprises a shell and a sealing cover, wherein the sealing cover is buckled on the shell, a first fixing part and a second fixing part are arranged in the shell, the first fixing part is connected with a first terminal and a fixed contact, the second fixing part is connected with a second terminal and a moving contact, a bakelite guide frame and an insulating rod are arranged above the shell, a first metal disc is arranged above the bakelite guide frame, the insulating rod penetrates through the bakelite guide frame and is positioned between the moving contact and the first metal disc, and a second metal disc is arranged above the first metal disc; the second metal disc is added on the basis of the prior art, and the temperature limiting and controlling integration is realized through the matching of the first metal disc and the second metal disc.

Description

Temperature controller

Technical Field

The utility model relates to a control by temperature change technical field, concretely relates to temperature controller.

Background

The temperature control device of the existing electric cooker consists of a temperature limiter and a thermostat, wherein the temperature limiter is used for cutting off the power supply when the heating temperature of the electric cooker is about 150 ℃ and is arranged at a central cavity of a heating plate; the thermostat has the function of ensuring that the temperature of food in the cooker after being cooked is kept within the temperature range of 60-80 ℃, is arranged below the heating plate or at other proper positions, and integrates temperature limiting and controlling along with the requirements of customers on the convenience of temperature controller installation and space miniaturization, thereby being the development direction of the temperature controller applied to the electric cooker at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at designing a temperature controller to solve the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a temperature controller comprises a shell and a sealing cover, wherein the sealing cover is buckled on the shell, a first fixing piece and a second fixing piece are arranged in the shell, the first fixing piece is connected with a first terminal and a fixed contact, the fixed contact is installed on the first fixing piece through a fixed connecting plate, the second fixing piece is connected with a second terminal and a moving contact, the second moving contact is installed on the second fixing piece through a moving contact spring, one end, far away from the first fixing piece, of the first terminal extends out of the shell, one end, far away from the second fixing piece, of the second terminal extends out of the shell, a bakelite guide frame and an insulating rod are arranged above the shell, the bakelite guide frame has insulating and heat-resisting functions, a first metal disc is arranged above the bakelite guide frame, the insulating rod sequentially penetrates through the first metal disc and the bakelite guide frame and abuts against the moving contact spring, the first metal disc is sleeved on the insulating rod, a second metal disc is arranged above the first metal disc, and the second metal disc is connected with the insulating rod; the first fixing piece and the second fixing piece are both rivets.

Further, still include the support, the bottom of closing cap is equipped with a plurality of U type grooves, and is a plurality of U type groove is followed the axle center circumference array of closing cap, the support includes the ring and follows the installation ear that the ring horizontal direction extends, the installation ear can rotate on the ring, the bottom of ring is equipped with the arch, protruding with the cooperation of U type groove.

Furthermore, the first metal disc is provided with a through hole.

Compared with the prior art, the beneficial effects of the utility model are that: in the prior art, a first metal disc is added, and is matched with a second metal disc, in the temperature limiting process, namely in the heating process of an electric cooker, the first metal disc is deformed when the temperature is heated to about 80 ℃, and the second metal disc is deformed when the temperature reaches about 150 ℃, a circuit is switched off, in the temperature control process, when the temperature is reduced to about 70 ℃, the first metal disc is restored and matched with the second metal disc, the circuit is switched on and is heated to about 80 ℃, the first metal disc is deformed and is matched with a control circuit of the second metal disc to be switched off, the temperature in the electric cooker is kept within the range of 70-80 ℃, and therefore the temperature limitation and the temperature control are integrated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a second metal disc of the present invention;

FIG. 3 is a schematic view of a portion of the structure of the present invention including a fixed contact and a movable contact;

FIG. 4 is a schematic view of a part of the structure of the bakelite guide frame of the present invention;

FIG. 5 is a schematic view of the engagement between the upper protrusion of the ring and the U-shaped groove of the cover;

FIG. 6 is a schematic view of the present invention showing the engagement between the serrated chute and the ledge;

the names of the components identified in the figures are as follows:

1. a housing; 2. sealing the cover; 3. a first fixing member; 4. a second fixing member; 5. a first terminal; 6. A second terminal; 7. fixing a contact; 8. a moving contact; 9. fixing and connecting the plate; 10. a movable spring plate; 11. a bakelite guide frame; 12. an insulating rod; 13. a first metal disc; 14. a second metal disc; 15. a circular ring; 16. a U-shaped groove; 17. mounting lugs; 18. a protrusion; 19. a through hole; 20. a serrated chute; 21. And (4) a convex edge.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, only some embodiments, not all embodiments, of the present invention are described. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment is as follows: referring to fig. 1-4, a temperature controller includes a housing 1 and a cover 2, the cover 2 is fastened on the housing 1, the cover 2 may be made of copper or aluminum, a first fixing member 3 and a second fixing member 4 are disposed in the housing 1, the first fixing member 3 is connected to a first terminal 5 and a fixed contact 7, the fixed contact 7 is mounted on the first fixing member 3 through a fixing plate 9, the second fixing member 4 is connected to a second terminal 6 and a moving contact 8, the second moving contact 8 is mounted on the second fixing member 4 through a moving contact 10, one end of the first terminal 5, which is far away from the first fixing member 3, extends out of the housing 1, one end of the second terminal 6, which is far away from the second fixing member 4, extends out of the housing 1, a bakelite guide frame 11 and an insulating rod 12 are disposed above the housing 1, a first metal disc 13 is disposed above the bakelite guide frame 11, the insulating rod 12 sequentially penetrates through the first metal disc 13 and the bakelite guide frame 11 and is connected to the moving contact 10, the first metal disc 13 is sleeved on the insulating rod 12, a second metal disc 14 is disposed above the first metal disc 13; the first fixing piece 3 and the second fixing piece 4 are both rivets; the first metal disc 13 is provided with a through hole 19; with such an arrangement, the first metal disc 13 is easy to deform and can deform within a small temperature difference range.

The sealing cover is characterized by further comprising a support, a plurality of U-shaped grooves 16 are formed in the bottom of the sealing cover 2, the U-shaped grooves 16 are arrayed along the axis circumference of the sealing cover 2, and the support comprises a circular ring 15 and mounting lugs 17 extending along the horizontal direction of the circular ring 15. As shown in fig. 6, a saw-toothed sliding slot 20 is formed at the upper end of the circular ring 15, the saw teeth are made of a slightly deformable material and are inclined in one direction, the mounting lug 17 is mounted on the saw-toothed sliding slot 20, a protruding edge 21 is formed on the mounting lug 17, and the shape of the contact surface of the protruding edge 21 and the shape of the contact surface of the saw-toothed sliding slot 20 are matched, so that the mounting lug 17 can rotate in one direction relative to the circular ring 15. As shown in fig. 5, a protrusion 18 is arranged at the bottom of the ring 15, the protrusion 18 is arranged on the binding surface of the ring 15 and the sealing cover 2, the protrusion 18 is matched with the U-shaped groove 16, so that the ring 15 on the support is installed on the sealing cover 2, the protrusion 18 at the bottom of the ring 15 is clamped on the U-shaped groove 16 of the sealing cover 2, the ring 15 on the support is rotated after the installation positions of the first terminal 5 and the second terminal 6 are determined, until the installation lug 17 is adapted to the internal complex structure of the electric appliance to be installed, and the problem of the angle between the installation lug 17 and the first terminal 5 and the angle between the installation lug 17 and the second terminal 6 in the installation process is solved.

The working principle of the embodiment is as follows: when the electric cooker is used for heating every time, when the heating temperature of the electric cooker reaches about 80 ℃, the first metal disc 13 deforms and deforms towards the direction far away from the second metal disc 14, at the moment, the insulating rod 12 is not affected at all, when the temperature reaches about 150 ℃, the temperature of the second metal disc 14 is sensed (the recovery temperature of the second metal disc 14 is lower than 70 ℃), the second metal disc 14 deforms downwards after being deformed, namely, one side close to the insulating rod deforms, and because the second metal disc 14 is connected with the insulating rod 12, the insulating rod 12 pushes the movable reed 10 downwards through the second metal disc 14, the movable contact 8 is disconnected with the fixed contact 7, the current is cut off, and the heating is stopped; during the heat preservation period, the first metal disc 13 senses the temperature, when the temperature is reduced to 70 ℃, the first metal disc 13 is recovered, the second metal disc 14 is jacked upwards, the second metal disc 14 drives the insulating rod 12 to move upwards, the contact point is contacted again, the circuit is switched on to heat, the first metal disc 13 senses the temperature, when the temperature reaches 80 ℃, deformation jump is generated, the second metal disc 14 does not have the limitation of the first metal disc 13, the second metal disc drives the insulating rod 12 downwards, the movable reed 10 is driven to jack, the movable contact 8 and the fixed contact 7 are disconnected, the switch is switched off, the current is cut off, and the heating is stopped; when the temperature drops to 70 ℃, the first metal disc 13 is restored, the second metal disc 14 is jacked upwards, the second metal disc 14 drives the insulating rod 12 to move upwards, the contact point is contacted again, the circuit is connected for heating, and accordingly, the connection or disconnection of the circuit is controlled repeatedly, and the temperature limiting and controlling integration of the temperature controller is achieved.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "left", "right", "front", "rear", and the like as used herein are for illustrative purposes only.

Claims

1. The utility model provides a temperature controller, includes casing (1) and closing cap (2), closing cap (2) lock is in on casing (1), be equipped with first mounting (3) and second mounting (4) in casing (1), first mounting (3) are connected with first terminal (5) and decide contact (7), second mounting (4) are connected with second terminal (6) and moving contact (8), the one end that first mounting (3) were kept away from in first terminal (5) stretches out the outside of casing (1), keep away from in second terminal (6) the outside of casing (1) is stretched out to the one end of second mounting (4), its characterized in that: the improved wood electrical connector is characterized in that a bakelite guide frame (11) and an insulating rod (12) are arranged above the shell (1), a first metal disc (13) is arranged above the bakelite guide frame (11), the insulating rod (12) sequentially penetrates through the first metal disc (13) and the bakelite guide frame (11) and abuts against a movable reed (10), the first metal disc (13) is sleeved on the insulating rod (12), a second metal disc (14) is arranged above the first metal disc (13), and the second metal disc (14) is connected with the insulating rod (12).

2. The temperature controller of claim 1, wherein: still include the support, the bottom of closing cap (2) is equipped with a plurality of U type groove (16), and is a plurality of U type groove (16) are followed the axle center circumference array of closing cap (2), the support includes ring (15) and follows installation ear (17) that ring (15) horizontal direction extends, the bottom of ring (15) is equipped with arch (18), arch (18) with U type groove (16) cooperation.

3. The temperature controller of claim 1, wherein: the first metal disc (13) is provided with a through hole (19).