CN113130255A

CN113130255A - Automatic reset temperature control and manual reset temperature limit type kick temperature controller

Info

Publication number: CN113130255A
Application number: CN202110459624.XA
Authority: CN
Inventors: 陈永钧; 冼崇礼
Original assignee: Foshan Tongbao Hualong Controls Co ltd
Current assignee: Foshan Tongbao Hualong Controls Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-07-16

Abstract

An automatic reset temperature control and manual reset temperature limit type kick temperature controller is characterized in that an automatic reset temperature control functional module consisting of a 1 st bimetallic disc, a 1 st action rod, a fixed contact connecting plate and a moving contact support and a manual reset temperature limit functional module consisting of a 2 nd bimetallic disc, a 2 nd action rod, a moving contact support and a reset handle are arranged in a cavity formed by a sealing cover and a shell, a bracket is arranged between a guide frame and the shell, the 2 nd bimetallic disc is arranged between the guide frame and the bracket, and the 1 st action rod movably penetrates through a central through hole of the 2 nd bimetallic disc and a central through hole of the 2 nd action rod and is in contact connection with the moving contact support. The kick type temperature controller has compact structure, but the two modules do not interfere with each other, and can realize the purposes of automatic reset temperature control and manual reset temperature limit protection.

Description

Automatic reset temperature control and manual reset temperature limit type kick temperature controller

Technical Field

The invention relates to the technical field of sudden jump type temperature controllers, in particular to an automatic reset temperature control and manual reset temperature limit type sudden jump type temperature controller.

Background

The kick type temperature controller is a bimetallic strip temperature controller, is widely applied to various household appliances such as coffee pot water dispensers, water heaters, microwave ovens, electric heaters, portable electric water tanks and the like as temperature control or temperature protection, and is a main device in heating household appliances. The automatic reset temperature controller is used for temperature control, and the manual reset temperature limiter is used for temperature protection. Most of the water heaters in the current market use an automatic reset temperature controller and a manual reset temperature limiter simultaneously to meet the requirements of automatic temperature control and overtemperature protection. Along with the requirement of clients on installation convenience and space miniaturization of the kick type temperature controller, the automatic reset temperature controller and the manual reset temperature limiter are integrated to meet the requirements of the clients, namely, one temperature controller can realize the automatic reset temperature control effect and the manual reset overtemperature protection effect.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic reset temperature control and manual reset temperature limit type kick temperature controller, wherein an automatic reset temperature control functional module and a manual reset temperature limit functional module are arranged in the same shell, share a pair of electric switch contacts, and have the same main loop and the same sealing cover, so that the structure is compact, the mutual interference is avoided, and the purposes of automatic reset temperature control and manual reset temperature limit protection can be realized.

The technical solution proposed by the present invention is as follows:

an automatic reset temperature control and manual reset temperature limit type kick temperature controller comprises a sealing cover, a guide frame, a 1 st bimetal disc, a 1 st action rod, a 2 nd bimetal disc, a bracket, a shell, a fixed contact fishplate bar, a 1 st rivet, a 2 nd rivet, a fixed contact, a moving contact bracket, a reset handle, a cover plate, a 1 st terminal and a 2 nd terminal, wherein the 1 st bimetal disc is placed on the guide frame, the 1 st terminal is riveted with the fixed contact fishplate bar and the shell through the 1 st rivet, the 2 nd terminal is riveted with the moving contact bracket and the shell through the 2 nd rivet, the bracket is arranged between the guide frame and the shell, the 2 nd bimetal disc is arranged in a space between the guide frame and the bracket, the outer periphery of the 2 nd bimetal disc is in contact connection with the inner periphery of the bracket, the 2 nd action rod is arranged between the shell and the 1 st action rod, the 1 st action pole activity runs through 2 nd bimetal disc central through-hole and 2 nd action pole central through-hole, with moving contact support contact connection, the 1 st action pole up end is connected with 1 st bimetal disc bottom surface active contact, the 1 st bimetal disc and the 1 st action pole constitute the actuating mechanism of automatic reset accuse temperature function module, the 2 nd action pole up end is connected with 2 nd bimetal disc bottom surface active contact, the 1 st lower terminal surface of the 2 nd action pole is connected with moving contact support contact, the 2 nd lower terminal surface of the 2 nd action pole is connected with the contact of reset handle, the 2 nd bimetal disc and the 2 nd action pole constitute the actuating mechanism of manual reset limit temperature function module, the handle that resets is equipped with in apron central through-hole and constitutes the reset mechanism of manual reset limit temperature function module, the handle that resets is along apron central through-hole and 2 nd action pole central through-hole and is moved up and down.

The automatic reset temperature control functional module mainly comprises a No. 1 bimetallic disc, a No. 1 action rod, a fixed contact connecting plate and a moving contact support, wherein a moving contact is fixedly arranged at the right end part of the moving contact support, and a fixed contact is fixedly arranged at the left end part of the fixed contact connecting plate. The manual reset temperature limiting functional module mainly comprises a No. 2 bimetallic disc, a No. 2 action rod, a moving contact support and a reset handle, wherein the No. 2 action rod is in a sleeve shape, and the No. 1 lower end face and the No. 2 lower end face are arranged at the lower part of the No. 2 action rod. The bracket is in a shape of a reverse-edge oblate basin and is hollow, and the reverse edge and the periphery of the bracket are respectively and movably connected with the guide frame and the shell in a matching way.

Compared with the prior art, the invention has the following remarkable effects:

the invention organically integrates the automatic reset function of the temperature controller and the manual reset function of the temperature limiter, and can simultaneously realize the automatic reset temperature control function and the manual reset temperature limiting protection function by only one temperature controller, thereby greatly reducing the production cost of the temperature controller and improving the production efficiency. The external dimension and the whole volume of the kick type temperature controller are basically the same as the external dimension and the volume of the prior automatic reset kick type temperature controller or manual reset temperature limiter with the same power. For customers, the installation process of the temperature controller is simplified, and the use cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an automatic reset temperature control and manual reset temperature-limiting type kick temperature controller of the present invention.

Fig. 2 is a schematic structural diagram of the automatic-resetting temperature-control and manual-resetting temperature-limiting type kick temperature controller shown in fig. 1, when the movable and fixed contacts are separated after the automatic-resetting temperature-control functional module acts.

Fig. 3 is a schematic structural diagram of the automatic-resetting temperature-control and manual-resetting temperature-limiting type kick temperature controller shown in fig. 1, when the manual-resetting temperature-limiting functional module is operated, the movable contact and the fixed contact of the temperature controller are separated.

Fig. 4 is a schematic structural diagram of an automatic reset temperature control functional module of the automatic reset temperature control and manual reset temperature-limiting type kick temperature controller shown in fig. 1.

Fig. 5 is a schematic structural diagram of a manual reset temperature limiting functional module of the automatic reset temperature control and manual reset temperature limiting type snap-action temperature controller shown in fig. 1.

Fig. 6 is a schematic structural view of the bracket 7 shown in fig. 1.

Fig. 7 is a front view schematically showing the 2 nd action lever 5 shown in fig. 1.

Fig. 8 is a left side schematic view of fig. 7.

Detailed Description

The invention is illustrated in further detail by the following examples.

Referring to fig. 1 to 8, an automatic reset temperature control and manual reset temperature limit type kick temperature controller includes a sealing cover 1, a guide frame 2, a 1 st bimetallic disc 3, a 1 st action lever 4, a 2 nd action lever 5, a 2 nd bimetallic disc 6, a bracket 7, a housing 8, a fixed contact joint plate 9, a 1 st rivet 10-1, a 2 nd rivet 10-2, a fixed contact 11, a movable contact 12, a movable contact support 13, a reset handle 14, a cover plate 15, a 1 st terminal 16-1, a 2 nd terminal 16-2, wherein the 1 st bimetallic disc 3 is placed on the guide frame 2, the 1 st terminal 16-1 is riveted with the fixed contact joint plate 9 and the housing 8 through the 1 st rivet 10-1, the 2 nd terminal 16-2 is riveted with the movable contact support 13 and the housing 8 through the 2 nd rivet 10-2, the bracket 7 is arranged between the guide frame 2 and the housing 8, a 2 nd bimetallic disc 6 is arranged in the space between the guide frame 2 and the bracket 7, the outer periphery of the 2 nd bimetallic disc 6 is in contact connection with the inner periphery 7-3 of the outer periphery of the bracket 7, a 2 nd action rod 5 is arranged between the shell 8 and the 1 st action rod 4, the 1 st action rod 4 movably penetrates through the central through hole of the 2 nd bimetallic disc 6 and the central through hole of the 2 nd action rod 5 and is in contact connection with a movable contact support 13, the upper end surface of the 1 st action rod 4 is in contact connection with the bottom surface of the 1 st bimetallic disc 3, the 1 st bimetallic disc 3 and the 1 st action rod 4 form an action mechanism of an automatic reset temperature control function module, the upper end surface 5-1 of the 2 nd action rod 5 is in contact connection with the bottom surface of the 2 nd bimetallic disc 6, the 1 st lower end surface 5-2 of the 2 nd action rod 5 is in contact connection with the movable contact support 13, the 2 nd lower end surface 5-3 of, the 2 nd bimetal disc 6 and the 2 nd action rod 5 form an action mechanism of a manual reset temperature limiting functional module, a reset handle 14 is sleeved on a through hole in the center of the cover plate 15 to form a reset mechanism of the manual reset temperature limiting functional module, and the reset handle 14 moves up and down along the through hole in the center of the cover plate 15 and the through hole in the center of the 2 nd action rod 5.

The automatic reset temperature control functional module mainly comprises a No. 1 bimetallic disc 3, a No. 1 action rod 4, a fixed contact connecting plate 9 and a moving contact support 13, wherein a moving contact 12 is fixedly arranged at the right end part of the moving contact support 13, and a fixed contact 11 is fixedly arranged at the left end part of the fixed contact connecting plate 9. The manual reset temperature limiting functional module mainly comprises a No. 2 bimetallic disc 6, a No. 2 action rod 5, a moving contact support 13 and a reset handle 14, wherein the No. 2 action rod 5 is in a sleeve shape, and a No. 1 lower end face 5-2 and a No. 2 lower end face 5-3 are arranged at the lower part of the No. 2 action rod. The bracket 7 is in a shape of a reverse-edge oblate basin and is hollow, and the reverse edge 7-1 and the peripheral periphery 7-2 are respectively in movable connection with the guide frame 2 and the shell 8 in a matching way.

The working process of the automatic reset temperature control and manual reset temperature limit type kick temperature controller is as follows:

referring to fig. 2, in the process of temperature rise, when the 1 st bimetallic disc 3 senses the temperature action (turns downwards), the 1 st action rod 4 is driven to push the moving contact support 13 downwards, so that the moving contact 12 is separated from the fixed contact 11; in the process of temperature reduction, when the 1 st bimetallic disc 3 senses the temperature and restores to the original state (turns upwards), the 1 st action rod 4 and the 1 st bimetallic disc restore to the movable contact connection state, the moving contact support 13 is not pushed downwards by the 1 st action rod 4 any more, the moving contact 12 restores to the original state due to the elastic action of the moving contact support, and the moving contact 12 is in contact with the fixed contact 11 again. At this moment, the action mechanism of the manual reset temperature limiting functional module does not influence the normal action of the automatic reset temperature control functional module of the temperature controller.

Referring to fig. 3, in the temperature rising process, if the automatic reset temperature control functional module fails, the temperature continues to rise, and when the 2 nd bimetal disc 6 senses the temperature action (turns downwards), the 2 nd action rod 5 is driven to push the moving contact support 13 downwards, so that the moving contact 12 is separated from the fixed contact 11, and the overtemperature protection effect is achieved. At this moment, the action mechanism of the automatic reset temperature control functional module does not influence the normal action of the manual reset temperature limit functional module of the temperature controller.

The measured data for a certain product of the invention is as follows: the temperature parameters of the automatic reset temperature control functional module are as follows: the disconnection temperature is 75 ℃, and the reset temperature is 55 ℃; the temperature parameters of the manual reset temperature limiting functional module are as follows: the cut-off temperature was 95 ℃.

Claims

1. An automatic reset temperature control and manual reset temperature limit type kick temperature controller comprises a sealing cover (1), a guide frame (2), a 1 st bimetallic disc (3), a 1 st action rod (4), a shell (8), a fixed contact connecting plate (9), a 1 st rivet (10-1), a 2 nd rivet (10-2), a fixed contact (11), a movable contact (12), a movable contact support (13), a reset handle (14), a cover plate (15), a 1 st terminal (16-1) and a 2 nd terminal (16-2), wherein the 1 st bimetallic disc (3) is placed on the guide frame (2), the 1 st terminal (16-1) is riveted with the fixed contact connecting plate (9) and the shell (8) through the 1 st rivet (10-1), the 2 nd terminal (16-2) is riveted with the movable contact support (13) and the shell (8) through the 2 nd rivet (10-2), the method is characterized in that: a bracket (7) is arranged between the guide frame (2) and the shell (8), a 2 nd bimetal disc (6) is arranged in a space between the guide frame (2) and the bracket (7), the outer periphery of the 2 nd bimetal disc (6) is in contact connection with the inner periphery (7-3) of the outer periphery of the bracket (7), a 2 nd action rod (5) is arranged between the shell (8) and the 1 st action rod (4), the 1 st action rod (4) movably penetrates through the central through hole of the 2 nd bimetal disc (6) and the central through hole of the 2 nd action rod (5) and is in contact connection with a movable contact support (13), the upper end surface of the 1 st action rod (4) is in movable contact connection with the bottom surface of the 1 st bimetal disc (3), the 1 st bimetal disc (3) and the 1 st action rod (4) form an action mechanism of an automatic reset temperature control function module, the upper end surface (5-1) of the 2 nd action rod (5) is in movable contact connection with the bottom surface of the 2 nd bimetal, the 1 st lower end face (5-2) of the 2 nd action rod (5) is in contact connection with the movable contact support (13), the 2 nd lower end face (5-3) of the 2 nd action rod (5) is in contact connection with the reset handle (14), the 2 nd bimetallic disc (6) and the 2 nd action rod (5) form an action mechanism of a manual reset temperature limiting function module, the reset handle (14) is sleeved in a central through hole of the cover plate (15) to form a reset mechanism of the manual reset temperature limiting function module, and the reset handle (14) moves up and down along the central through hole of the cover plate (15) and the central through hole of the 2 nd action rod (5).

2. The automatic reset temperature control and manual reset temperature-limited type kick temperature controller according to claim 1, characterized in that: the automatic reset temperature control functional module mainly comprises a No. 1 bimetallic disc (3), a No. 1 action rod (4), a fixed contact connecting plate (9) and a moving contact support (13), wherein a moving contact (12) is fixedly arranged at the right end part of the moving contact support (13), and a fixed contact (11) is fixedly arranged at the left end part of the fixed contact connecting plate (9).

3. The automatic reset temperature control and manual reset temperature-limited type kick temperature controller according to claim 1, characterized in that: the manual reset temperature limiting functional module mainly comprises a No. 2 bimetallic disc (6), a No. 2 action rod (5), a moving contact support (13) and a reset handle (14), wherein the No. 2 action rod (5) is in a sleeve shape, and a No. 1 lower end face (5-2) and a No. 2 lower end face (5-3) are arranged at the lower part of the No. 2 action rod.

4. The automatic reset temperature control and manual reset temperature-limited type kick temperature controller according to claim 1, characterized in that: the bracket (7) is in a shape of a reverse-edge oblate basin and is hollow, and the reverse edge (7-1) and the peripheral outer periphery (7-2) are respectively in matched movable connection with the guide frame (2) and the shell (8).