CN201097232Y

CN201097232Y - Temperature sensitive controller

Info

Publication number: CN201097232Y
Application number: CNU2007201125669U2007201125669U
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: 2007-07-25
Filing date: 2007-07-25
Publication date: 2008-08-06
Anticipated expiration: 2017-07-25

Abstract

The utility model discloses a temperature-sensitive controller, which comprises a main casing body, a fixing plate, a double metal actuating piece, a cantilever, an assisted ceramic rod, a conduction spring leaf, and a conduction static contact blade, wherein the fixing plate is fixedly installed on the main casing body, the double metal actuating piece is installed on the fixing plate, the cantilever is installed on the main casing body, the conduction spring leaf is arranged under the conduction static contact blade, a through hole is arranged at the front end of the cantilever, the assisted ceramic rod can movably installed in the through hole, the upper end of the assisted ceramic rod is slightly higher than the front end of the cantilever, the conduction spring leaf is positioned under the front end of the cantilever, the lower end of the assisted ceramic rod is propped against the conduction spring leaf, the double metal actuating piece is positioned above the front end of the cantilever, and the upper end of the assisted ceramic rod is propped against the double metal actuating piece.

Description

Temp sensing controller

Technical field

The utility model relates to the temp sensing controller that uses in a kind of wireless liquid heater.

Background technology

Temp sensing controller of the prior art generally comprises main casing, fixed head, the thermometal braking plate, cantilever, power-assist porcelain rod, conductive reed, the conduction static contact, fixed head is fixedly mounted on the main casing, the thermometal braking plate is installed on the fixed head, cantilever is installed on the main casing, conductive reed is arranged on the below of conduction static contact, the front end of described cantilever is provided with the draw-in groove that matches with conductive reed, conductive reed is installed in the draw-in groove, power-assist porcelain rod is installed in the through hole that main casing is provided with movably, the lower end and the conductive reed of power-assist porcelain rod connect, and the upper end and the thermometal braking plate of power-assist porcelain rod connect.When the temp sensing controller of said structure was realized temperature control, its principle of work was: a, the action of thermometal braking plate promote power-assist porcelain rod earlier, promote conductive reed by power-assist porcelain rod again, and promote cantilever by conductive reed at last and rotate, thus deenergization; B, the action of thermometal braking plate directly promote cantilever and rotate, and then push conductive reed open, thus deenergization.More than two kinds of situations, all have safety defect, for example: when cantilever is subjected to slight frictional resistance when mounted, conductive reed applies excessive pressure relatively, even if this moment, the action of thermometal braking plate also was difficult to back down cantilever and conductive reed fully, thereby when occurring and when energising and the situation of cutting off the power supply; When the consumer in use, unintentionally cantilever is blocked, can't realize rotating, in thermometal braking plate action back owing to can't back down cantilever and conductive reed, thereby the energising situation appears continuing, and then security incident takes place.

Summary of the invention

Technical problem to be solved in the utility model provides the safer temp sensing controller of a kind of use.

For solving the problems of the technologies described above, the utility model is by the following technical solutions: a kind of temp sensing controller, comprise main casing, fixed head, the thermometal braking plate, cantilever, power-assist porcelain rod, conductive reed, the conduction static contact, fixed head is fixedly mounted on main casing, the thermometal braking plate is installed on the fixed head, cantilever is installed on the main casing, conductive reed is arranged on the below of conduction static contact, the front end of described cantilever is provided with through hole, power-assist porcelain rod be installed in the through hole movably and the upper end of power-assist porcelain rod a little more than the cantilever front end, conductive reed is positioned at the front end below of cantilever and the lower end and the conductive reed of power-assist porcelain rod connects, and the thermometal braking plate is positioned at the front end top of cantilever and the upper end and the thermometal braking plate of power-assist porcelain rod connects.

The beneficial effect of the utility model temp sensing controller is: in the technique scheme; because power-assist porcelain rod is located on the cantilever; and, after the action of thermometal braking plate, at first push conductive reed open a little more than cantilever; make appliance cut-off; again and then promote cantilever and rotate, realize that secondary protection disconnects, even the cantilever situation that is stuck occurs; the thermometal braking plate still can make appliance cut-off, thereby uses safer, effective.

The utility model will be further described below in conjunction with the drawings and specific embodiments.

Description of drawings

Fig. 1 is the decomposition texture synoptic diagram of a kind of embodiment of the utility model temp sensing controller;

Fig. 2 is the general structure synoptic diagram after the temp sensing controller assembling among Fig. 1;

Fig. 3 is that temp sensing controller removes structural representation behind the fixed head among Fig. 2.

In each accompanying drawing: 1, the left kick wing; 2, left sheet; 3, right sheet; 4, the right kick wing; 5, thermometal braking plate; 6, fixed head; 7, conductive reed; 8, power-assist porcelain rod; 9, right side cantilever; 10, cantilever; 11, left side cantilever; 12, main casing; 13, conduction static contact, 14, through hole.

Embodiment

As Fig. 1, Fig. 2, shown in Figure 3, a kind of embodiment of the utility model temp sensing controller, comprise main casing 12, fixed head 6, thermometal braking plate 5, cantilever 10, power-assist porcelain rod 8, conductive reed 7, conduction static contact 13, fixed head 6 is fixedly mounted on the main casing 12, thermometal braking plate 5 is installed on the fixed head 6, cantilever 6 is installed on the main casing 12, conductive reed 7 is arranged on the below of conduction static contact 13, the front end of described cantilever 10 is provided with through hole 14, power-assist porcelain rod 8 is installed in the through hole 14 movably and (so-calledly be meant a little more than cantilever 10 front ends: cantilever 10 front end certain height are exposed in the upper end of power-assist porcelain rod 8 a little more than cantilever 10 front ends in the upper end of power-assist porcelain rod 8, this highly is less than the kick height of thermometal braking plate 5, when cantilever 10 maintains static, this is enough to promote conductive reed 7 highly again and moves downward, make conductive reed 7 upper contacts leave the contact of conduction on the static contact 13, thereby cut off the electricity supply), conductive reed 7 is positioned at the front end below of cantilever 10 and the lower end and the conductive reed 7 of power-assist porcelain rod 8 connects, and thermometal braking plate 5 is positioned at the front end top of cantilever 10 and the upper end and the thermometal braking plate 5 of power-assist porcelain rod 8 connects.Its principle of work is: deformation takes place experiencing under the overheated heater temperature conditions in thermometal braking plate 5, produce kick, at first power-assist porcelain rod 8 is produced thrust, impel power-assist porcelain rod 8 to promote conductive reed 7 downwards, and the contact of itself and static contact 13 is disconnected, thereby at first cut off the electricity supply, because the kick height of thermometal braking plate 5 is greater than the height that exposes of power-assist porcelain rod 8, thermometal braking plate 5 will continue to promote the front end of cantilever 10, and impel cantilever 10 to turn over and the equilibrium point that dangles that main casing 12 constitutes, further promote the break distance of conductive reed 7 increasings and static contact 13 by cantilever 10.Under this structure, we imagine under the thermometal braking plate 5 generation kick situations, and we still push down cantilever 10 by force and stop it to rotate, because the upper end of power-assist porcelain rod 8 is a little more than cantilever 10 front ends, after thermometal braking plate 5 produces kick, even if cantilever 10 does not rotate, but power-assist porcelain rod 8 is promoted by thermometal braking plate 5 earlier owing to the slightly high advantage in position, and then power-assist porcelain rod 8 is pushed conductive reed 7 again open, and break contact, thereby cut off the electricity supply, therefore use safer, effective.

In order further to improve the security performance of temp sensing controller, described thermometal braking plate 5 can comprise left sheet 2 and right sheet 3, the left sheet 2 of described thermometal braking plate 5 and right sheet 3 all are circular, the left side of the right side of left sheet 2 and right sheet 3 is connected into a single integrated structure, the left side of left sheet 2 is provided with the left kick wing 1, the right side of right sheet 3 is provided with the right kick wing 4, described cantilever 10 is provided with left side cantilever 11 and right side cantilever 9, the front end of left side cantilever 11 is positioned at the left kick wing 1 below of thermometal braking plate 5, the front end of right side cantilever 9 is provided with through hole 14, power-assist porcelain rod 8 be installed in the through hole 14 movably and the upper end of power-assist porcelain rod 8 a little more than right side cantilever 9 front ends, conductive reed 7 is positioned at the front end below of right side cantilever 9 and the lower end and the conductive reed 7 of power-assist porcelain rod 8 connects, and the right kick wing 4 of thermometal braking plate 5 is positioned at the front end top of right side cantilever 9 and the upper end of power-assist porcelain rod 8 and the right kick wing 4 of thermometal braking plate 5 and connects.Because bimetallic actuator 5 adopts the double-vane design, the temperature-sensitive point is located at the junction, middle part between left sheet 2 and the right sheet 3, has same temperature-sensitive point, the temperature-sensitive consistance is strengthened, the left side kick wing 1 and the right kick wing 4 produce action consistency and improve, thereby further improve the security performance of temp sensing controller.

Claims

1. temp sensing controller, comprise main casing (12), fixed head (6), thermometal braking plate (5), cantilever (10), power-assist porcelain rod (8), conductive reed (7), conduction static contact (13), fixed head (6) is fixedly mounted on the main casing (12), thermometal braking plate (5) is installed on the fixed head (6), cantilever (6) is installed on the main casing (12), conductive reed (7) is arranged on the below of conduction static contact (13), it is characterized in that: the front end of described cantilever (10) is provided with through hole (14), power-assist porcelain rod (8) be installed in the through hole (14) movably and the upper end of power-assist porcelain rod (8) a little more than cantilever (10) front end, conductive reed (7) is positioned at the front end below of cantilever (10) and the lower end and the conductive reed (7) of power-assist porcelain rod (8) connects, and thermometal braking plate (5) is positioned at the front end top of cantilever (10) and the upper end and the thermometal braking plate (5) of power-assist porcelain rod (8) connects.

2. temp sensing controller according to claim 1, it is characterized in that: described thermometal braking plate (5) comprises left sheet (2) and right sheet (3), left sheet (2) is connected into a single integrated structure with right sheet (3), the left side of left sheet (2) is provided with the left kick wing (1), the right side of right sheet (3) is provided with the right kick wing (4), described cantilever (10) is provided with left side cantilever (11) and right side cantilever (9), the front end of left side cantilever (11) is positioned at the left kick wing (1) below of thermometal braking plate (5), the front end of right side cantilever (9) is provided with through hole (14), power-assist porcelain rod (8) be installed in the through hole (14) movably and the upper end of power-assist porcelain rod (8) a little more than right side cantilever (9) front end, conductive reed (7) is positioned at the front end below of right side cantilever (9) and the lower end and the conductive reed (7) of power-assist porcelain rod (8) connects, and the right kick wing (4) of thermometal braking plate (5) is positioned at the front end top of right side cantilever (9) and the upper end of power-assist porcelain rod (8) and the right kick wing (4) of thermometal braking plate (5) and connects.

3. temp sensing controller according to claim 2 is characterized in that: the left sheet (2) of described thermometal braking plate (5) and right sheet (3) all are circular.