CN2358365Y - Thermal sensitive controller - Google Patents
Thermal sensitive controller Download PDFInfo
- Publication number
- CN2358365Y CN2358365Y CN 98241557 CN98241557U CN2358365Y CN 2358365 Y CN2358365 Y CN 2358365Y CN 98241557 CN98241557 CN 98241557 CN 98241557 U CN98241557 U CN 98241557U CN 2358365 Y CN2358365 Y CN 2358365Y
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- executing agency
- control device
- lever arm
- temperature
- selecting arrangement
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Abstract
The utility model provides a thermal sensitive controller 2, which is installed at the lower surface of a bottom 10 of a water heating container, such as a kettle or a hot-water tank. The utility model is characterized in that the thermal sensitive controller comprises a spring loaded lever arm 14; the thermal sensitive controller can switch out power supply for heaters according to the switching-out of any operation in actuation mechanisms 4 and 20 of the thermal sensitive controller; the first actuating mechanism can be an overheat protection actuating mechanism 4 or a boiling sensitive actuating mechanism 16; the second actuating mechanism is a creep actuating mechanism 20 which can better carry out heat contact with the contacted bottom 10 of the container; a selecting device 34 can selectively transmit the motion of the creep actuating mechanism to the spring loaded lever arm in order to switch out the lever arm.
Description
The utility model relates to heating vessel and thermally responsive control, particularly relates to the thermally responsive control that is installed in as water heating vessels such as kettle or hot-water cylinder bottom.
WO 95/34187 discloses this control device, usually it comprises a temperature-sensitive executing agency, and bimetallic executing agency for example is in the use, in case the bottom thermo-contact well of it and container is the overheated power supply supply that just disconnects reservoir heater of reservoir heater.This container or control device can comprise a steam induction executing agency, in case its water in container disconnects the power supply supply of reservoir heater once more when seething with excitement.In the disclosed control device, the bar of deenergization tripgear all moves in steam induction executing agency and overtemperature protection executing agency in above-mentioned WO 95/34187, and when once more to reservoir heater supply power supply, it must manually be set again.
In some environment, people wish and can be heated to a temperature that is lower than boiling point to water, and the utility model attempts to provide a thermally responsive control, and it can be lower than deenergization supply under the water temperature of boiling point.
The purpose of this utility model provides a kind of thermally responsive control that is used for heating vessel.
For achieving the above object, the utility model provide a kind of or be used for the bottom thermally responsive control of the heating vessel of electric heater be housed, described control device comprises one first temperature-sensitive executing agency, the spring-loaded lever arm that can manually reset, its action that responds the described first temperature-sensitive executing agency is actuated to open the power supply supply that one group of contact on the control device disconnects heater, a creep effect executing agency, creep effect bimetallic executing agency for example, be arranged in use bottom thermo-contact well with container, with can manually operated selecting arrangement, this device is selectively passed to described spring-loaded lever arm to drive this lever arm with the motion of described creep effect executing agency.
Therefore, according to the utility model, thermally responsive control can be when overheated heater for example, and/or during the liquid boiling in the container, and the liquid in the container disconnects the power supply supply of heater when reaching a predetermined temperature that is lower than boiling point.Should be understood that when the container bottom heating and cooling, creep effect bimetallic executing agency continuous modification, selecting arrangement is optionally passed to lever arm with this motion, is used for disconnecting lever arm under the temperature that is lower than the temperature that other executing agencies will move.Should be appreciated that the liquid in the container is warm more, the bottom is hot more, and the distortion of creep effect executing agency is severe more.Actuated lever arm and the deformation extent that disconnects the required creep effect executing agency of the power supply of reservoir heater thus under the given fluid temperature in container can rule of thumb be determined.
As mentioned above, first executing agency can be an overtemperature protection executing agency, for example one with the container bottom bimetallic executing agency of thermo-contact well.As selection, first executing agency can also be a responsive executing agency of boiling, for example the responsive executing agency of steam.Preferably not only had overtemperature protection executing agency but also had the responsive executing agency of boiling, the two all is used for actuated lever arm.
Selecting arrangement can be to allow lever arm to drive under a driving under the single fluid temperature or a temperature in one group of temperature, in use can obtain a temperature range in liquid in containers thus.In back one was arranged, selecting arrangement can allow the continuous or stepping ground variation in operating temperature.
Therefore, selecting arrangement can comprise a continually varying that engages with executing agency or multistage cam face, thereby depend on the setting of cam, need the big of creep executing agency or hand over little moving so that creep executing agency and cam, actuated lever arm thus.Cam can be a rotating cam, but for simply, preferably a sliding cam.
In a preferred embodiment, selecting arrangement comprises a sliding part that can slide into and skid off a certain position that engages with creep executing agency.In the embodiment of single temperature, sliding part optionally sliding part when executing agency is out of shape with or two positions not engaging with executing agency between move simply.But in the embodiment of many temperature, it is to move between three or more position.As mentioned above, sliding part can be provided with one or more composition surfaces, or executing agency can be provided with such composition surface, is driven under a plurality of temperature to allow lever arm.
The composition surface of executing agency can be formed by a part of executing agency self, but also can be formed by an adjustable element such as screw, so that the calibration of device.The calibration of device can obtain by executing agency is out of shape with aequum in addition.
For easily manufactured, selecting arrangement preferably is installed on the lever arm.This can realize simply being slidingly installed with respect to creep executing agency.It is novel in creative that this layout is considered to, from an aspect further of the present utility model, it provide a kind of or be used for the bottom thermally responsive control of the heating vessel of electric heater be housed, described control device comprises one first temperature-sensitive executing agency, the spring-loaded lever arm that can manually reset, its action that responds the described first temperature-sensitive executing agency is actuated to open the power supply supply that one group of contact on the control device disconnects heater, one second temperature-sensitive executing agency, its arrange in use with the bottom thermo-contact well of container, with can manually operated selecting arrangement, this device is optionally passed to the motion of described executing agency described spring-loaded lever arm to drive this lever arm, and described selecting arrangement is installed on the described lever arm.
In this one side of the present utility model, second executing agency can be a jerking movement (snap acting) bimetallic executing agency, and needs not to be a creep effect executing agency.Preferably, this selecting arrangement is installed slidably, but above-described other forms of selecting arrangement also can adopt.
Should expect that control device of the present utility model can be control device or the one group of independent component assembled respectively that is installed to an integral body on the container.
Because the utility model has adopted said structure, therefore use is reliable, simple in structure, thereby can guarantee the operate as normal of heating vessel.
Referring now to a description of drawings preferred embodiment of the present utility model:
Fig. 1 is the plane of the control device integral body of embodiment of the present utility model;
Fig. 2 is the side view of the control device under first mode of operation;
Fig. 3 is the side view of the control device under second mode of operation.
Control device 2 shown in Fig. 1 is the Figure 15 of WO95/34187 and a modification of 16, and the building block of control device can be described with reference to it.The relevant disclosure of WO 95/34187 at this as reference.
Say that simply control device 2 comprises a pair of jerking movement bimetallic executing agency 4, executing agency is installed on the metal tray 6, and this dish is arranged on the template 8 that is equipped with various electrical equipments.Control device 2 is installed on the bottom 10 of water heating vessels, as shown in Figure 2.Bottom 10 is provided with a heater, for example thick film heater, or the traditional armouring heating element heater shown in WO 96/18831.This bottom can be the part of integral container, or is installed on the opening of vessel bottom one independently element.
In case container in service is overheated, as just in case connected power supply in the container without any water, one or another executing agency 4 by push rod 11 actions to disconnect one group of contact 12 on the template.This also stirs a spring-loaded lever arm 14, and it opens contact 12 fully, and goes back the respective sets contact of another utmost point of opening power.When the water in the container seethed with excitement, lever arm 14 also was struck by a bimetallic executing agency 16 that is installed in the steam sensitivity of control device 2 one ends.The more detailed description of this control device and operational mode thereof can find in WO 95/34187.
When allowing the liquid of control device in container to reach a predetermined temperature or be lower than the temperature of boiling point, disconnect the power supply supply of heating container according to the modification of this control device of the present utility model.For reaching this point, control device 2 comprises that also one is installed in creep effect (creep-action) bimetallic executing agency 20 on the pallet 6 by a for example copper heat transfer rivet 22.In order to leave the gap, this creep effect bimetallic executing agency 20 is step-like at its free end 24, and two screws 26,28 are installed on the free end 24.It will be appreciated that screw 26,28 protrudes the amount of stretching from creep bimetallic executing agency 20 be different, its reason will go through hereinafter.
Control device also is provided with can manually operated selecting arrangement, and this device is a roughly L-shaped sliding part 34, and it is slidably mounted in Unitarily molded extending laterally in the hole 32 that forms on the part 30 on the tripping operation lever arm 14.One end of sliding part 34 be provided with for the user operate usefulness from container bottom 38 outward extending knobs 36.Knob 36 can mate a knob 40 that is used for opening and closing container that is installed in lever arm 14 opposite sides.The other end of sliding part 34 has a transverse arm 42 that has a pillar 46.Hole 32 and sliding part 34 are provided with positioner such as recess 48, are used for optionally sliding part 34 being remained on the position of one or more expectations.
The operation of explanation control device now.Under state shown in Figure 2, contact 12 is closed, and sliding part is positioned at the position of its leftmost side (shown in Figure 2).In this state, when the water in the container heated, 20 heating of creep bimetallic, distortion made its free end 24 remove from container bottom.This move is not seethed with excitement by sliding part 34 water that hinder and that will always continue in container, causes that control device operates to open contact 12 by the responsive executing agency 16 of steam.Container bottom cooling then, and creep bimetallic 20 turns back to its initial position.At this moment state as shown in Figure 3.If the user wishes to boil once more the water in the container, can press knob 36 with closing contact 12 again.
But, if wish liquid is heated to a temperature that is lower than boiling point, can inwardly push away knob 36, sliding part 34 slides in the direction shown in the arrow A like this.
If sliding part 34 moves a recess in this direction, pillar 46 just moves into place the position below screw 26, if move two recesses, it just moves into place the position below screw 28.As mentioned above, screw 26,28 protrudes out a scheduled volume from the free end 24 of creep action type bimetallic executing agency 20.These are apart from selecting correspondingly with the water temperature of hope.Screw 28 is bigger than the amount that screw 26 protrudes out out, thereby screw 28 being moved to join with pillar 46 merge to dial the required executing agency's 20 free-ended amount of deflections of bull stick arm 14 and engage required amount of deflection less than screw 26 is moved to pillar 46.Therefore, screw 28 can make lever arm 14 refute commentaries on classics under lower water temperature than screw 26.Therefore, lower water temperature if desired is such as 60 ℃, sliding part 34 should move two recesses in the direction of arrow A is positioned at below the screw 28 pillar 46, and higher water temperature if desired is such as 80 ℃, can only move a recess, make pillar be positioned at screw 26 below.
Be the water temperature that obtains wishing, the amount of protruding out of screw 26,28 can be determined by experiment, and control device carries out corresponding demarcation.In described embodiment, this can be undertaken by turning screw 26,28.
Therefore in the above-described embodiments, control device moves when following situation: when sliding part 34 is positioned at its high order end, in case the boiling of the water in the container; When sliding part 34 therebetween during the position, in case liquid reaches 80 ℃; And when sliding part 34 during at its low order end, in case the water in the container reaches 60 ℃.
Should be understood that in scope of the present utility model and can carry out various modifications the foregoing description.For example, can be provided with at the free end of sliding part 34 one with creep effect bimetallic execution architecture 20 on the cam face of corresponding operating surface engagement.This will provide the adjusting continuous or stepping of an operating temperature.Also can be independent of trip arm peace sliding part, dress but this is not preferred scheme.In addition, specific carriage as described herein can also replace to one slidably or the cam mechanism that rotates.
Claims (12)
1. one kind is used for the thermally responsive control that the bottom is equipped with the heating vessel of electric heater, it is characterized in that, described control device comprises: one first temperature-sensitive executing agency: the spring-loaded lever arm that can manually reset, its operation that responds the described first temperature-sensitive executing agency are struck and disconnect the power supply supply of heater to open one group of contact on the control device; A creep effect executing agency, it is arranged in use the bottom thermo-contact well with container; And can manually operated selecting arrangement, be used for optionally the motion of described creep effect executing agency is passed to described spring-loaded lever arm to stir this lever arm.
2. control device as claimed in claim 1, wherein said first executing agency is an overtemperature protection executing agency.
3. control device as claimed in claim 1, wherein said first executing agency is a responsive executing agency of boiling.
4. control device as claimed in claim 1 comprises the overtemperature protection executing agency and the responsive executing agency of boiling that are used for stirring described lever arm.
5. control device as claimed in claim 1, wherein said selecting arrangement are arranged to allow to stir lever arm by creep effect executing agency under many temperature.
6. as any one described control device among the claim 1-5, wherein said selecting arrangement comprises a movable cam.
7. as any one described control device among the claim 1-5, wherein said selecting arrangement comprises a sliding part.
8. as any one described control device among the claim 1-5, wherein said selecting arrangement is installed on the described lever arm.
9. as any one described control device among the claim 1-5, wherein said creep effect executing agency is provided with adjustable calibrating installation.
10. the parts that control device as claimed in claim 9, wherein said calibrating installation comprise that one or more adjustable grounds are installed on and protrude out out from described executing agency.
11. as any one described control device among the claim 1-5, wherein said creep effect executing agency is a bimetallic executing agency.
12. one kind is used for the thermally responsive control that the heating vessel of electric heater is equipped with in the bottom, it is characterized in that described control device comprises: one first temperature-sensitive executing agency; The spring-loaded lever arm that can manually reset, its operation that responds the described first temperature-sensitive executing agency are struck and disconnect the power supply supply of heater to open one group of contact on the control device; One second temperature-sensitive executing agency, it is arranged in use the bottom thermo-contact well with container; And can manually operated selecting arrangement, being used for optionally the motion of described executing agency being passed to described spring-loaded lever arm to stir this lever arm, described selecting arrangement is installed on the described lever arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98241557 CN2358365Y (en) | 1997-09-17 | 1998-09-17 | Thermal sensitive controller |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9719795.8 | 1997-09-17 | ||
| CN 98241557 CN2358365Y (en) | 1997-09-17 | 1998-09-17 | Thermal sensitive controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2358365Y true CN2358365Y (en) | 2000-01-12 |
Family
ID=33988285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98241557 Expired - Fee Related CN2358365Y (en) | 1997-09-17 | 1998-09-17 | Thermal sensitive controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2358365Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710985A (en) * | 2017-01-06 | 2017-05-24 | 国网山东省电力公司冠县供电公司 | Breaker switch operating mechanism |
-
1998
- 1998-09-17 CN CN 98241557 patent/CN2358365Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710985A (en) * | 2017-01-06 | 2017-05-24 | 国网山东省电力公司冠县供电公司 | Breaker switch operating mechanism |
| CN106710985B (en) * | 2017-01-06 | 2020-05-15 | 纵达电器有限公司 | Circuit breaker switch operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |