WO2010009608A1

WO2010009608A1 - Overheat protection controller assembly for liquid heating vessel

Info

Publication number: WO2010009608A1
Application number: PCT/CN2009/000759
Authority: WO
Inventors: 杨强; 郑和生
Original assignee: 浙江家泰电器制造有限公司
Priority date: 2008-07-19
Filing date: 2009-07-06
Publication date: 2010-01-28
Also published as: CN101630165A; CN101630165B

Abstract

An overheat protection controller assembly for a liquid heating vessel includes a controller body (1). A single sheet-integrated double-actuation thermo-sensitive bimetal actuator (2) is provided on the upper face of the controller body (1). The single sheet-integrated double-actuation thermo-sensitive bimetal actuator (2) is two actuating units which are mutually independent and conjoined formed on a piece of bimetal sheet. The edge line (11) of each of the two actuating units comprises a section of partial common join edge line (12) and the two actuating units are respectively located on two sides of the partial common join edge line (12). The partial common join edge line (12) effectively facilitates two actuating units to form a single sheet-integrated double-actuation thermo-sensitive bimetal actuator (2). Two groups of switch contacts (6) are correspondingly arranged on the controller body (1), and each group of switch contacts (6) is matched with a corresponding actuating unit.

Description

Instructions Liquid Heater Overheat Protection Controller Assembly Technical Field

The present invention relates to an overheat protection control device, and more particularly to a liquid heater dish overheat protection controller assembly. Background technique

The existing liquid heater dish overheat protection control device, also known as the anti-dry control device, is mainly installed under the bottom of the liquid heating vessel, especially the boiling water vessel, and the electric heating element is installed at the bottom of the vessel. The overheat protection control device mainly has Two types, one of which has only one heat-sensitive bimetal actuator. This type of control device can easily cause dry burning to burn out the heater dish if there is only one actuator failure or failure. A thermal bimetallic actuator. The two actuators in this type of control device have different operating temperatures due to the difference in material between them. The actuation temperature is also high. The actuator is easy to actuate when the temperature of the heater vessel is too high, causing overheating to damage the heater vessel, and the actuator with low actuation temperature is easy to actuate when the temperature of the heater vessel is not high, causing the heater to be normal. Use is affected. Summary of the invention

SUMMARY OF THE INVENTION It is an object of the present invention to provide a liquid heater dish overheat protection controller assembly that is reliable in overheat protection and that is accurately and consistently actuated.

In order to achieve the above object, the technical solution of the present invention is as follows: the liquid heater dish overheat protection controller assembly includes a controller body; the upper surface of the controller body is provided with a single piece of dual actuating thermal bimetal actuation The monolithic dual actuated thermal bimetallic actuator is an actuating unit that forms two relatively independent parallel bodies on a piece of bimetal sheet, the two phases being close to each other and connected together Each of the moving units has a closed actuating unit edge line, and the bimetal surrounded by the edge line of each actuating unit constitutes a relatively independent actuating unit and has a relatively independent overheating actuating function, the two The edge line of each actuating unit in the actuating unit comprises a partial common joint edge line which is both part of the edge line of the actuating unit and one of the edge lines of the other actuating unit Partly, two actuating units are respectively located on both sides of the local common joint edge line, the local common joint edge line effectively constituting the two actuating units to form a single-piece dual-actuated thermal bimetallic actuator, The monolithic dual actuated thermal bimetallic actuator can typically be mounted on the body of the controller by the intermediate or peripheral portion of the actuating unit, and accordingly actuation or actuation occurs in the periphery or intermediate portion of the actuating unit. Control the matching switch contacts. A small portion of the edge line of the joint portion in the edge line of the actuating unit referred to in the present technical solution can be reasonably derived from the geometrical regularity of most of the defined edge line and the overall shape of the actuating unit.

In the above technical solution, a single-piece dual-actuated thermal bimetal actuator can be mounted on the controller body through an intermediate mounting point of each actuating unit, and each actuating unit will be surrounded by an overheated condition. The downward jump is actuated; correspondingly, the controller body is further provided with two sets of switch contacts, each set of switch contacts cooperates with the periphery of a corresponding actuating unit, and the downward actuation of any adjacent moving unit opens correspondingly A set of switch contacts and shut off the power to the liquid heater heater.

In the above technical solution, a single-piece dual-acting thermal bimetal actuator can also be mounted on the controller body through the peripheral mounting point of each actuating unit, each of which is under overheating conditions. It will be actuated downwards; correspondingly, the controller body is also provided with two sets of shut-off contacts, each set of switch contacts cooperates with the middle of a corresponding actuating unit, and the downward actuation of any one of the actuating units Turn on the appropriate set of switch contacts and turn off the power to the liquid heater heater.

In the above technical solution, the thermal actuator mounted on the controller body and mated with the switch contacts is a monolithic dual actuated thermal bimetallic actuator comprising two actuating units and thus functioning It has reliable double overheat protection, and the two actuating units form a single piece double acting double thermal double on the same bimetal sheet through the local common joint edge line on each unit edge line. Metal actuators, so the material of the two actuating units will be highly uniform and can be actuated at the same exact temperature point. Since the two actuating units are integrated, it is also easy to assemble and improve the assembly of the controller components. Efficiency, the controller component of this structure can be designed to be compact and compact under the premise of overheat protection, save material and produce compact and overheat-protected heaters, due to the monolithic dual-actuation thermal The local common joint edge line in the metal actuator is both part of the edge line of the actuation unit and part of the edge line of the other actuation unit, ie each actuation There is a certain common part in the structure of the element edge line, so that the two actuating units of the monolithic double actuating thermosensitive bimetal actuator are easier to be used on the premise that the two actuating units are each independently actuated independently. The same temperature point produces actuation. DRAWINGS

1 is a perspective structural view of a first liquid heater dish overheat protection controller assembly;

2 is a perspective structural view of a second liquid heater dish overheat protection controller assembly;

Figure 3 is a perspective structural view of a third liquid heater dish overheat protection controller assembly;

4 is a first plan view of a single-piece joint double actuated thermal bimetal actuator having a local common joint edge line provided by the present invention;

Figure 5 is a second plan view of a single piece dual actuated thermal bimetallic actuator with local common joint edge lines provided by the present invention. detailed description

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

Among them: 1, controller body; 2, single-piece double-actuated thermal bimetal actuator; 3, external jump wing; 4, inner tongue; 5, tongue root; 6, switch contact; 7, push rod 8, fixed plate; 9, inner tongue jack; 10, rivets; 11, actuating unit edge line; 12, local common joint edge line; 13, mounting holes.

As shown in Figure 1 and Figure 2, the liquid heater dish overheat protection controller assembly includes a controller body.

1 ; The upper surface of the controller body 1 is provided with a monolithic double actuating thermal bimetal actuator 2, which is in a piece of bimetal sheet Forming two joints and relatively independent actuating units, each actuating unit comprising a respective outer jump wing 3, an inner tongue 4 and a tongue root 5 connecting the outer jump wing 3 and the inner tongue 4, two The tongue roots 5 of the moving unit are close to each other and are integrally connected, the tongues of the inner tongues 4 of the two actuating units and the outer protruding wing 3 are away from each other, and the monolithic double actuating thermal bimetal actuator 2 passes through the inner unit The tongue 4 is mounted on the controller body 1. Each of the actuating units is actuated downwardly under overheating conditions; the controller body 1 is further provided with two sets of switch contacts 6, each set of switch contacts 6 Cooperating with the outer projecting wing 3 of a corresponding actuating unit, when the outer projecting wing 3 is actuated downwardly, a corresponding set of switch contacts 6 is opened and the power to the liquid heater dish heater is turned off. Wherein the inner tongue 4 of the single-piece dual-actuation heat-sensitive bimetal actuator 2 in FIG. 1 is mounted in the inner tongue insertion hole 9 on the fixing plate 8 of the controller body 1; and the single in FIG. One inner tongue 4 of the sheet-coupled double-actuated heat-sensitive bimetal actuator 2 is inserted into the inner tongue insertion hole 9 of the fixing plate 8 provided on the upper surface of the controller body 1, and the other inner tongue 4 The rivet 10 is riveted to the fixing plate 8 provided on the upper surface of the controller body 1.

As shown in FIG. 3, the liquid heater dish overheat protection controller assembly includes a controller body 1; the upper surface of the controller body 1 is provided with a monolithic double actuating thermal bimetal actuator 2, a single piece double body Actuate heat The sensitive bimetal actuator 2 is an actuating unit that forms two joints on a piece of bimetal sheet and is relatively independent, each actuating unit comprising a respective outer jump wing 3, inner tongue 4 and joint protrusion The tongue 3 and the tongue root 5 of the inner tongue 4, the outer protruding wing 3 and the tongue root 5 constitute the periphery of each of the actuating units, and the two actuating units are partially adjacent and integrated at the periphery, and the two actuating units pass through The peripheral part is mounted on the controller body 1 by the rivet 10, and the two actuating units are actuated downwardly under the overheat condition; the controller body 1 is further provided with two sets of switch contacts 6, each set of switch contacts 6 Cooperating with the inner tongue 4 of a corresponding actuating unit, when the inner tongue 4 is actuated downwardly, a corresponding set of switch contacts 6 is opened and the power to the liquid heater heater is turned off.

The present invention forms two series of embodiments relating to the liquid heater dish overheat protection controller assembly based on the technical concept of the liquid heater dish overheat protection controller assembly as shown in FIGS. 1, 2, and 3 above. .

The following is a first series of embodiments.

As shown in Figure 1, Figure 2, Figure 4, Figure 5, and replace the single-piece joint in Figure 1, Figure 2 with the single-piece dual-actuated thermal bimetal actuator 2 in Figure 4 or Figure 5. The double-actuated thermal bimetal actuator 2 can obtain a liquid heater dish overheat protection controller assembly capable of achieving the object of the present invention. The liquid heater dish overheat protection controller assembly includes a controller body 1; The upper surface is provided with a monolithic dual actuating thermosensitive bimetal actuator 2 which forms two relatively independent ones on a piece of bimetal sheet The actuating unit of the parallel body, the two adjacent and integrated actuating units each have a closed actuating unit edge line 11, and the bimetal surrounded by each actuating unit edge line 11 constitutes a relatively independent actuating unit having a relatively independent overheat actuation function, the edge line of each of the two actuating units comprising a partial common joint edge line 12, the partial common joint edge line 12 is both part of the actuation unit edge line 11 and another A portion of the moving unit edge line 11 on each side of the local common coupling edge line 12, the local common coupling edge line 12 effectively causing the two actuation units to form a single piece dual actuation The heat-sensitive bimetal actuator 2, the monolithic double actuated thermal bimetallic actuator 2 is mounted on the controller body 1 through an intermediate mounting point of each actuating unit, each actuating unit in an overheat condition The periphery of the controller is actuated downwardly; correspondingly, the controller body 1 is further provided with two sets of switch contacts 6, each of which is matched with the periphery of a corresponding actuating unit, and the periphery of the corresponding actuating unit The downward actuation will open a corresponding set of switch contacts 6 and shut off the power to the liquid heater heater, wherein the intermediate mounting points of the actuating unit in Figures 4 and 5 can be riveted or otherwise connected and controlled. The body 1 is coupled. In order to make the single-piece dual-acting thermal bimetal actuator 2 stably and reliably disposed on the controller body 1, a fixing plate 8 can be generally disposed on the upper surface of the controller body 1, and the monolithic joint body is double-posed. The dynamic thermal bimetal actuator 2 is mounted on the fixed plate 8.

As shown in FIG. 5 and FIG. 1, the monolithic dual-actuated thermal bimetal actuator 2 of FIG. 1 is replaced by the single-piece bi-actuated dual-actuated bimetal actuator 2 of FIG. A liquid heater dish overheat protection controller assembly that achieves the objects of the present invention is obtained, wherein each of the actuation units of the monolithic dual actuated thermosensitive bimetallic actuator 2 includes a respective outer spur wing 3 The inner tongue 4 and the outer protruding wing 3 are connected to the tongue root 5 of the inner tongue 4, and the tongue roots 5 of the two actuating units are close to and integrally connected, and the single piece double acting double-acting thermal bimetal actuation The local common joint edge line 12 of the device 1 is located on the edge line at the tongue root 5 of each actuating unit, and the inner tongue 4 of the two actuating units and the outer protruding wing 3 are separated from each other, wherein each of the actuating units is outside The jumping wing 3 and the tongue root 5 constitute the periphery of the actuating unit, and the inner tongue 4 of each actuating unit is surrounded by the outer protruding wing 3 and the tongue root 5 in the middle, and the single piece double acting double-acting thermal bimetal actuation The device 2 is mounted on the controller body 1 through the inner tongue 4 of the actuating unit, and the outer projecting wing 3 of the actuating unit is downwardly Actuation opens a corresponding set of switch contacts 6 for overheat protection. Since the embodiment adopts the single-piece joint double-actuated thermal bimetal actuator 2 having the inner tongue 4 and the outer projecting wing 3 and the actuation of the switch joint 6 by the actuation of the outer jump wing 3, the actuation stroke is compared. Long, overheat protection controls are reliable. In the present embodiment, when the inner tongues 4 of the two actuating units of the monolithic double actuating thermosensitive bimetal actuator 2 are oriented at an angle of 180°, the actuation independence of the two actuating units is better. .

As shown in FIG. 4 and FIG. 1, the monolithic dual-actuated thermal bimetallic actuator 2 of FIG. 1 is replaced by the single-piece bi-actuated bi-actuated bimetal actuator 2 of FIG. Another liquid heater dish overheat protection controller assembly that better achieves the objectives of the present invention is obtained, wherein each actuation unit of the monolithic dual actuation thermosensitive bimetallic actuator 2 is a one-piece actuation unit, A mounting hole 13 is provided in the geometric center of each actuating unit, and the monolithic double actuating thermosensitive bimetal actuator 2 is mounted on the controller body 1 through a mounting hole 13 of the geometric center of the actuating unit, a single piece The partial common coupling edge line 12 of the body double actuated thermal bimetallic actuator 2 is located between the mounting holes 13 of the two actuating units, the two actuating units being remote from the outer periphery of their partial common coupling edge line 12, respectively The two sets of switch contacts 6 cooperate with each other. Since the actuating unit is a one-piece actuating unit, it has the characteristics of large actuation force and reliable operation of the control switch contact 6.

In the series of embodiments described above, a push rod 7 may be further disposed between each set of switch contacts 6 and the periphery of the mating actuating unit, and the downward actuation of the periphery of the actuating unit pushes the push rod 7 Movement, the movement of the push rod 打开 opens the switch contact 6, so that the actuation of the actuating unit can be transmitted over a longer distance To the switch contact 6, the switch contact 6 and the actuating unit can be safely insulated by the provision of an insulated push rod 7.

As shown in FIG. 4 and FIG. 5, when the two actuating units of the single-piece dual-acting thermosensitive bimetal actuator 2 are placed side by side in the lateral direction, the two actuating units are bilaterally symmetric, that is, the two actuating units are The shape and structure are the same, which can better ensure the uniform actuation temperature of the two actuating units, and also ensure the uniformity of the actuation force of the two actuating units, so that the liquid heater dish overheat protection controller assembly is more reliable. jobs.

Another series of embodiments is described below.

As shown in FIG. 3, FIG. 4, FIG. 5, and using the single-piece dual-actuation thermal bimetal actuator 2 of FIG. 4 or FIG. 5 instead of the monolithic dual-actuation thermal double of FIG. The metal actuator 2 can obtain a liquid heater dish overheat protection controller assembly which can also achieve the object of the present invention. The liquid heater dish overheat protection controller assembly includes a controller body 1; the upper surface of the controller body 1 is provided with a single piece a dual-actuated thermal bimetallic actuator 2, the monolithic dual actuated thermal bimetallic actuator 2 is an actuating unit that forms two relatively independent parallel bodies on a piece of bimetallic sheet The two adjacent and associated actuating units each have a closed actuating unit edge line 11, and the bimetal surrounded by each actuating unit edge line 11 constitutes a relatively independent actuation. The unit has a relatively independent overheat actuation function, the edge line of each of the two actuation units each comprising a partial common coupling edge line 12, which is the actuation unit Part of the edge line 11 Is a portion of another actuation unit edge line 11 that is located on either side of the local common coupling edge line 12, the local common coupling edge line 12 effectively causing the two actuation units to form a single piece joint Dual actuated thermal bimetallic actuator 2, monolithic dual actuated thermal bimetallic actuator 2 mounted on controller body 1 by peripheral mounting points of each actuating unit, each actuating unit In the overheated condition, the middle part will be driven downwards; correspondingly, the controller body 1 is further provided with two sets of switch contacts 6, each of which is matched with the middle of a corresponding actuating unit, and is coordinated A downward actuation in the middle of the unit opens a corresponding set of switch contacts 6 and shuts off the power to the liquid heater heater. In the present embodiment, the mounting hole 13 of the single-piece dual-actuation heat-sensitive bimetal actuator 2 shown in FIG. 4 can be omitted, since the bimetal material has a reliable environment when the ambient temperature is too high. When the periphery of the actuating unit is fastened to the fixing plate on the upper surface of the controller body 1 by riveting or other means, the middle of the actuating unit is actuated downward to open the corresponding switch contact 6 in the event of overheating.

As shown in Figure 5 and Figure 3, and using the single-piece dual-actuation thermal bimetal actuator 2 in Figure 5 The single-piece dual-actuation thermosensitive bimetal actuator 2 of FIG. 3 can obtain a liquid heater dish overheat protection controller assembly that better achieves the object of the present invention, wherein the monolithic dual-actuation thermal Each of the actuation units of the bimetallic actuator 2 comprises a respective outer spur wing 3, an inner tongue 4 and a tongue root 5 connecting the outer spur wing 3 and the inner tongue 4, the outer spur wing 3 and the tongue root 5 forming each At the periphery of the actuating unit, the two actuating units are partially adjacent and integrally connected at the periphery, and the two actuating units are actuated downwardly under the overheating condition, thereby achieving overheating protection. Since the present embodiment employs the monolithic dual-actuated thermal bimetallic actuator 2 having the inner tongue 4, the outer projecting wing 3 and the actuation of the switch contact 6 with the actuation of the inner tongue 4, the actuation stroke is longer. Features.

As shown in FIG. 4 and FIG. 3, the monolithic dual-actuated thermal bimetal actuator 2 of FIG. Another liquid heater dish overheat protection controller assembly that better achieves the objectives of the present invention is obtained, wherein each actuation unit of the monolithic dual actuation thermosensitive bimetallic actuator 2 is a one-piece actuation unit, The local common joint edge line 12 of the monolithic dual actuated thermal bimetallic actuator 2 is located between the geometric centers of the two actuating units, the two sets of switch contacts 6 and the geometric centers of the two actuating units, respectively In the present embodiment, the mounting hole 13 in FIG. 4 can be omitted. Since the actuating unit is a one-piece actuating unit, it has a large actuation force.

The series described above relates to a monolithic dual actuating thermosensitive bimetallic actuator 2 having a local common coupling edge line 12 and the actuation unit being in the embodiment of the middle actuation of the opening switch contact 6 A push rod 7 may be further disposed between each set of switch contacts 6 and the middle of the mating actuating unit, and the downward actuation of the actuating unit pushes the push rod 7 to move, and the movement of the push rod 7 opens the switch contact 6. Thereby, the actuation action of the actuating unit can be transmitted to the switch contact 6 for a longer distance, and the switch contact 6 and the actuating unit can be insulated by the provision of the insulating push rod 7.

Claims

Claim

A liquid heater dish overheat protection controller assembly, characterized in that: the liquid heater dish overheat protection controller assembly comprises a controller body (1); the upper surface of the controller body (1) is provided with a single piece of double body Actuating a thermally sensitive bimetallic actuator (2) that is actuated to form two relatively independent parallel bodies on a piece of bimetallic sheet Unit, the two adjacent and associated actuating units each have a closed actuating unit edge line (11), and the bimetal surrounded by each actuating unit edge line (11) constitutes a a relatively independent actuating unit having a relatively independent overheat actuation function, the edge line of each of the two actuating units comprising a partial common joint edge line (12), the partial common joint edge The line (12) is both part of the actuation unit edge line (11) and part of the other actuation unit edge line (11), the two actuation units being respectively located on either side of the local common coupling edge line (12), Local common joint edge line (12) is valid Having the two actuating units form a single piece dual actuated thermal bimetallic actuator (2), the monolithic dual actuating thermal bimetallic actuator (2) through each actuating unit The intermediate mounting point is mounted on the controller body (1), and each of the actuating units is actuated downwardly under the overheat condition; correspondingly, the controller body (1) is further provided with two sets of switch contacts (6). ), each set of switch contacts (6) cooperates with the periphery of a corresponding actuating unit, and any downward actuation of the periphery of the actuating unit will slam the corresponding set of switch contacts (6) and shut off the liquid heater heater Power supply.

2. The liquid heater dish overheat protection controller assembly according to claim 1, wherein: each of the actuating units comprises a respective outer projecting wing (3), an inner tongue (4) and a connecting outer protruding wing. (3) close to and integrally connected with the tongue root (5) of the inner tongue (4), the tongue root (5) of the two actuation units, the single piece coupling double actuated thermal bimetallic actuator ( 2) The local common joint edge line (12) is located on the edge line at the tongue root (5) of each actuating unit, and the inner tongue (4) tongue tip and the outer jump wing (3) of the two actuating units are apart from each other. The outer protruding wing (3) and the tongue root (5) of each of the actuating units constitute the periphery of the actuating unit, and the inner tongue (4) of each actuating unit is surrounded by the outer jumping wing (3) and the tongue root (5) Surrounded by the middle, the single-piece dual-actuated thermal bimetallic actuator (2) is mounted on the controller body (1) through the inner tongue (4) of the actuating unit, and the external snap of the actuating unit The downward actuation of the wing (3) opens a corresponding set of switch contacts (6).

3. The liquid heater dish overheat protection controller assembly of claim 2, wherein: the inner tongue of the two actuating units of the monolithic dual actuating thermosensitive bimetallic actuator (2) ) The orientation forms an angle of 180°.

4. The liquid heater dish overheat protection controller assembly according to claim 1, wherein each of the actuating units is a one-piece actuating unit, and each of the actuating units has a mounting hole (13) in a geometric center thereof. The single-piece dual-actuated thermal bimetal actuator (2) is mounted on the controller body (1) through the mounting hole (13) of the geometric center of the actuating unit, and the single-piece double-actuated thermal double The local common coupling edge line (12) of the metal actuator (2) is located between the mounting holes (13) of the two actuating units, the two actuating units being away from the outer periphery of the local common coupling edge line (12) respectively Cooperate with two sets of switch contacts (6).

5. The liquid heater dish overheat protection controller assembly of claim 1 wherein: the two actuating units of the single piece dual actuated thermal bimetallic actuator (2) are placed side by side laterally When the two actuating units are bilaterally symmetrical.

6. A liquid heater dish overheat protection controller assembly according to claim 1 or 2 or 3 or 4 or 5, wherein: each set of switch contacts (6) is further disposed between the periphery of the mating actuation unit With the push rod (7), the downward actuation of the periphery of the actuating unit pushes the push rod (7) to move, and the movement of the push rod (7) opens the switch contact (6).

7. A liquid heater dish overheat protection controller assembly, characterized in that: the liquid heater dish overheat protection controller assembly comprises a controller body (1); the upper surface of the controller body (1) is provided with a single piece of double body Actuating a thermally sensitive bimetallic actuator (2) that is actuated to form two relatively independent parallel bodies on a piece of bimetallic sheet Unit, the two adjacent and associated actuating units each have a closed actuating unit edge line (11), and the bimetal surrounded by each actuating unit edge line (11) constitutes a a relatively independent actuating unit having a relatively independent overheat actuation function, the edge line of each of the two actuating units comprising a partial common joint edge line (12), the partial common joint edge The line (12) is both part of the actuation unit edge line (11) and part of the other actuation unit edge line (11), the two actuation units being respectively located on either side of the local common coupling edge line (12), Local common joint edge line (12) is valid Having the two actuating units form a single piece dual actuated thermal bimetallic actuator (2), the monolithic dual actuating thermal bimetallic actuator (2) through each actuating unit The peripheral mounting points are mounted on the controller body (1), and each of the actuating units is actuated downwardly under overheat conditions; correspondingly, the controller body (1) is further provided with two sets of switch contacts (6) ), each set of switch contacts (6) cooperates with the middle of a corresponding actuating unit, and the downward actuation of any of the actuating units opens a corresponding set of switch contacts (6) and shuts off the liquid heater heater power supply.

8. The liquid heater dish overheat protection controller assembly according to claim 7, characterized in that It consists in that each actuating unit comprises a respective outer spur wing (3), an inner tongue (4) and a tongue root (5) connecting the outer spur wing (3) and the inner tongue (4), and the outer spur wing ( 3) and the tongue root (5) constitutes the periphery of each of the actuating units, the two actuating units are partially close to each other at the periphery and are integrally connected, and the two actuating units are caused by the inner tongue (4) under the overheat condition. move.

9. The liquid heater dish overheat protection controller assembly of claim 7 wherein each actuation unit is a one-piece actuation unit, a single piece dual actuated thermal bimetallic actuator ( 2) The local common joint edge line (12) is located between the geometric centers of the two actuating units, two sets of switch contacts

(6) Cooperating with the geometric centers of the two actuating units, respectively.

10. The liquid heater dish overheat protection controller assembly of claim 7 or 8 or 9, wherein: a push rod is disposed between each set of switch contacts (6) and the center of the mating actuating unit

(7), the downward actuation in the middle of the actuating unit pushes the push rod 0 movement, and the movement of the push rod (7) opens the switch contact (6).