CN201138641Y

CN201138641Y - Excessive heating protection controller component for liquid heating vessel

Info

Publication number: CN201138641Y
Application number: CNU2007201841298U
Authority: CN
Inventors: 杨强; 晏渝; 郑和生
Original assignee: ZHEJIANG JIATAI ELECTRICAL APPLIANCE MANUFACTURE CO Ltd
Current assignee: ZHEJIANG JIATAI ELECTRICAL APPLIANCE MANUFACTURE CO Ltd
Priority date: 2007-10-14
Filing date: 2007-10-14
Publication date: 2008-10-22
Anticipated expiration: 2017-10-14

Abstract

The utility model provides an overheat protection controller component for liquid heater, which comprises a controller body. A single leaf double actuating heat-variable double metallic actuator is positioned on the upper surface of the controller body; the single leaf double actuating heat-variable double metallic actuator is an actuating unit with two relatively independent conjoined bodies formed on a double sheet metal material; an internal tongue of each actuating unit is capable of realizing downward actuation under overheat condition; two groups of switch connection are also arranged on the controller body; each group of switch connection coordinates with the internal tongue of corresponding actuating unit. During the downward actuation of the internal tongue, the corresponding group of switch connection will cut off the power supply for the liquid heater. Therefore, the utility model has the advantages of reliable overheat protection and accurate and consistent actuation.

Description

The overfire protection controller component that is used for liquid heating vessel

Technical field

The utility model relates to a kind of overtemperature protection control device, relates in particular to a kind of overfire protection controller component that is used for liquid heating vessel.

Background technology

Existing liquid heating ware overheating protection control device claims control device preventing dry fry mainly to be used to be installed in the especially below, bottom of water-boiling vessel of liquid heating vessel again, the vessel bottom then is equipped with electrical heating elements, this overtemperature protection control device mainly contains two classes, wherein a class only is provided with a heat-sensitive duplex metal actuator, if this class control device is easy to cause the overheated heating vessel that burns out of dry combustion method owing to having only an actuator to break down or losing efficacy; Another kind ofly be provided with two heat-sensitive duplex metal actuators, two actuators in this class control device are because material is distinct each other, the activation temperature of two actuators also has certain difference, the higher actuator of activation temperature just produces easily to activate when the temperature of heating vessel is too high and caused the cause thermal damage heating vessel, and activation temperature actuator on the low side when the temperature of heating vessel is not high, just produce easily activate cause heater normal use influenced.

Summary of the invention

The purpose of this utility model provides the overfire protection controller component that is used for liquid heating vessel that a kind of overtemperature protection is reliable, activate accurate unanimity.

To achieve these goals, technical solution of the present utility model is such: the overfire protection controller component that is used for liquid heating vessel comprises a control body; Control body upper surface is provided with the conjuncted dual actuation heat-sensitive duplex metal actuator of monolithic, the conjuncted dual actuation heat-sensitive duplex metal actuator of described monolithic is to form two conjuncted and relatively independent actuating units on a slice bimetallic sheet material, each actuating unit all comprises the outer kick wing separately, the interior tongue and the root of the tongue that is connected the outer kick wing and interior tongue, the outer kick wing and the root of the tongue constitute the outer of each actuating unit, two actuating units are close in part, place, outer and link one, two actuating units are installed on the control body by its outer, two actuating units under overheated condition in it tongue can activate downwards; Control also is provided with two groups of make and break contacts on the body, and every group of make and break contact matches with the interior tongue of a corresponding actuating unit, can open corresponding one group of make and break contact downwards when interior tongue activates and cut off the power supply of liquid heating vessel heater.

Because in the above-mentioned technical solution; be installed on the control body and the heat-sensitive actuating device that cooperates with make and break contact is the conjuncted dual actuation heat-sensitive duplex metal actuator of monolithic; it comprises two actuating units and therefore has reliable dual overtemperature protection from function; these two actuating units obtain near the adjacent position moulding on a slice bimetal leaf material simultaneously; therefore its both material and activation temperature also can be highly consistent; can produce at same temperature spot accurately and activate; because two actuating units are incorporate; also can be convenient to assemble the efficiency of assembling that also can improve controller assemblies, the controller assemblies of this structure can under the overtemperature protection reliable premise, design more compact can save material and can produce small and exquisite and the reliable heating vessel of overtemperature protection.

Description of drawings

Fig. 1 is the three-dimensional structure diagram of the overfire protection controller component that is used for liquid heating vessel that provides of the utility model;

Fig. 2 is the Facad structure view of the conjuncted dual actuation heat-sensitive duplex metal actuator of the monolithic among Fig. 1;

Fig. 3 is the Facad structure view of second kind of conjuncted dual actuation heat-sensitive duplex metal actuator of monolithic providing of the utility model;

Fig. 4 is the Facad structure view of the conjuncted dual actuation heat-sensitive duplex metal actuator of the third monolithic that provides of the utility model;

Fig. 5 is the Facad structure view of the 4th kind of conjuncted dual actuation heat-sensitive duplex metal actuator of monolithic providing of the utility model;

Fig. 6 is the Facad structure view of the 5th kind of conjuncted dual actuation heat-sensitive duplex metal actuator of monolithic providing of the utility model.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail:

Wherein: 1, control body; 2, the conjuncted dual actuation heat-sensitive duplex metal actuator of monolithic; 3, the outer kick wing; 4, interior tongue; 5, the root of the tongue; 6, make and break contact; 7, push rod; 8, rivet.

As shown in Figure 1, the overfire protection controller component that is used for liquid heating vessel comprises a control body 1; Control body 1 upper surface is provided with the conjuncted dual actuation heat-sensitive duplex metal actuator 2 of monolithic, the conjuncted dual actuation heat-sensitive duplex metal actuator 2 of described monolithic is to form two conjuncted and relatively independent actuating units on a slice bimetallic sheet material, each actuating unit all comprises the outer kick wing 3 separately, the interior tongue 4 and the root of the tongue 5 that is connected the outer kick wing 3 and interior tongue 4, the outer kick wing 3 and the root of the tongue 5 constitute the outer of each actuating unit, two actuating units are close in part, place, outer and link one, two actuating units are installed on the control body 1 by its outer, two actuating units under overheated condition in it tongue 4 can activate downwards; Control also is provided with two groups of make and break contacts 6 on the body 1, and every group of make and break contact 6 matches with the interior tongue 4 of a corresponding actuating unit, can open corresponding one group of make and break contact 6 during the downward actuating of interior tongue 4 and cut off the power supply of liquid heating vessel heater.Wherein two actuating units root of the tongue 5 places that to constitute a conjuncted dual actuation heat-sensitive duplex metal actuator 2 of monolithic can be two actuating units as shown in Fig. 1, Fig. 2 are close and link one, the interior tongue 4 of two actuating units separately toward the outer side and integrated mode point-blank, it also can be the integrated mode of other form, one and two actuating units are to be installed on the control body 1 by its outer so long as the part, outer of two actuating units links, and then all can realize the purpose of this utility model.

For example the conjuncted dual actuation heat-sensitive duplex metal actuator 2 of the monolithic in the utility model can be as shown in Figure 3, the outer kick wing 3 ends of two actuating units one that is close and links, and the interior tongue 4 of two actuating units is all towards the inboard and point-blank; Also can be as shown in Figure 4, the outer kick wing 3 ends of the root of the tongue 5 places of an actuating unit and another actuating unit one that is close and links, interior tongue 4 toward the outer side in another tongue 4 tongue 4 is point-blank in inboard and two; Also can be as shown in Figure 5, the outer kick wing 3 avris of two actuating units one that is close and links, the interior tongue 4 of two actuating units is towards identical and be parallel to each other; Also can be as shown in Figure 6, the outer kick wing 3 avris of two actuating units one that is close and links, the interior tongue 4 of two actuating units is towards opposite and be parallel to each other; The conjuncted dual actuation heat-sensitive duplex metal actuator 2 of the monolithic of every kind of different mode has its advantage and characteristic, applicable to different designing requirements.

In overfire protection controller component shown in Figure 1; also be provided with push rod 7 between every group of make and break contact 6 and the corresponding interior tongue 4; the downward actuating of interior tongue 4 promotes push rod 7 motions; make and break contact 6 is opened in the motion of push rod 7; the actuating of tongue 4 removes to open make and break contact 6 by push rod 7 promptly; the downward actuating of wherein interior tongue 4 can drive the next movable contact spring of push rod 7 downward pull switch contacts 6; thereby make the next movable contact spring and the upper static contact of make and break contact 6 separate cut-out liquid heating vessel heating power supply; the action of actuator can make make and break contact 6 with spaced apart near the actuation element of heating element again when can reliably be passed to make and break contact 6 effectively under overheated condition like this, thereby can avoid make and break contact 6 to work in high-temperature area; can guarantee the functional reliability and the useful life of make and break contact 6.Certainly the actuating of actuation element also can be opened make and break contact 6 by other form, also can realize the purpose of this utility model, also belongs to the protection range of the utility model patent.

In the embodiment shown in fig. 1, the conjuncted dual actuation heat-sensitive duplex metal actuator 2 of monolithic is installed on the control body 1 by the promptly outer kick wing 3 in the outer of two actuating unit and control body 1 upper surface riveted, establishes two riveted rivets 8 on the outer kick wing 3 of each actuating unit.Certainly the utility model also can use alternate manner that two actuating units are installed on the control body 1 by its outer, thereby realizes the purpose of this utility model.

Claims

1, a kind of overfire protection controller component that is used for liquid heating vessel, include a control body (1), it is characterized in that: control body (1) upper surface is provided with the conjuncted dual actuation heat-sensitive duplex metal actuator of monolithic (2), the conjuncted dual actuation heat-sensitive duplex metal actuator of described monolithic (2) is to form two conjuncted and relatively independent actuating units on a slice bimetallic sheet material, each actuating unit all comprises the outer kick wing (3) separately, the interior tongue (4) and the root of the tongue (5) that is connected the outer kick wing (3) and interior tongue (4), the outer kick wing (3) and the root of the tongue (5) constitute the outer of each actuating unit, two actuating units are close in part, place, outer and link one, two actuating units are installed on the control body (1) by its outer, two actuating units under overheated condition in it tongue (4) can activate downwards; Also be provided with two groups of make and break contacts (6) on the control body (1), every group of make and break contact (6) matches with the interior tongue (4) of a corresponding actuating unit, and interior tongue (4) can be opened corresponding one group of make and break contact (6) downwards and cut off the power supply of liquid heating vessel heater when activating.

2, the overfire protection controller component that is used for liquid heating vessel according to claim 1; it is characterized in that: the root of the tongue of two actuating units (5) locates to be close and to link one, and the interior tongue (4) of two actuating units separately toward the outer side and point-blank.

3, the overfire protection controller component that is used for liquid heating vessel according to claim 1; it is characterized in that: the outer kick wing (3) end of two actuating units one that is close and links, the interior tongue (4) of two actuating units are all towards the inboard and point-blank.

4, the overfire protection controller component that is used for liquid heating vessel according to claim 1; it is characterized in that: the root of the tongue of an actuating unit (5) is located the outer kick wing (3) end with another actuating unit one that is close and links, an interior tongue (4) toward the outer side in another tongue (4) tongue (4) is point-blank in inboard and two.

5, the overfire protection controller component that is used for liquid heating vessel according to claim 1; it is characterized in that: the outer kick wing (3) avris of two actuating units one that is close and links, the interior tongue (4) of two actuating units is towards identical and be parallel to each other.

6, the overfire protection controller component that is used for liquid heating vessel according to claim 1; it is characterized in that: the outer kick wing (3) avris of two actuating units one that is close and links, the interior tongue (4) of two actuating units is towards opposite and be parallel to each other.

7, according to claim 1 or 2 or 3 or 4 or the 5 or 6 described overfire protection controller components that are used for liquid heating vessel; it is characterized in that: also be provided with push rod (7) between every group of make and break contact (6) and the corresponding interior tongue (4); the downward actuating of interior tongue (4) promotes push rod (7) motion, and make and break contact (6) is opened in the motion of push rod (7).