CN204883422U - Electric kettle's heating control circuit and variable power kettle - Google Patents
Electric kettle's heating control circuit and variable power kettle Download PDFInfo
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- CN204883422U CN204883422U CN201520572657.5U CN201520572657U CN204883422U CN 204883422 U CN204883422 U CN 204883422U CN 201520572657 U CN201520572657 U CN 201520572657U CN 204883422 U CN204883422 U CN 204883422U
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Abstract
The utility model relates to the technical field of household appliances, especially, relate to an electric kettle's heating control circuit and variable power kettle. This electric kettle's heating control circuit includes water division temperature controller, functional select switch and multiple heaters, and the one end of every heater all is connected to first node, and the other end all is connected to the second node, realizes connecting in parallel of multiple heaters, setting up functional select switch between an at least heater and second node or the first node, through control functional select switch, can controlling this corresponding heater and whether be in operating condition, when functional select switch was closed, electric kettle's primary heater and secondary heater were all worked promptly, were in total power rapid heating operating condition, when functional select switch opens a way, only secondary heater work, electric kettle is in low noise operating condition, selects to have realized two kinds of functions of electric kettle silence and rapid heating through opening and shutting of functional select switch like this.
Description
Technical field
The utility model relates to household electrical appliance technical field, particularly relates to a kind of heating control circuit and variable power kettle of electric kettle.
Background technology
Existing insulating pot, generally only has a power gear, when power ratio is larger, can produce tedious noise, seems more outstanding when especially using in more quiet environment.Such as, for the kettle of portable 1 ~ 2L capacity of routine, heating power is usually at 1000 ~ 3500W, and only have one grade of power, when adopting high-power, the time of heating up water is short, but noise is very large, the work of heating up water when adopting miniwatt is longer again, is difficult to take into account; When adopting lower power heating, for the kettle by vapor (steam) temperature switch control rule, can can not hold and automatically quit work by water because the quantity of steam that produces of low-power is few, for the area at the bottom of electric kettle, surface heat power density is at < 11W/cm
2time can have more satisfactory low noise effect, and surface heat power density is at < 7W/cm
2in time, is difficult to allow vapor (steam) temperature switch reliably work because of quantity of steam less.
At present, in order to reduce noise, only have by reducing heating power, adopting the modes such as sandwich construction sealing or large area heating element to solve.But when adopting low-power heating, the time is long, cannot meet the demands when needs Fast Heating, and when adopting sandwich construction sealing or the mode of large area heating element, the complexity of infrastructure cost and product significantly increases.
Utility model content
(1) technical matters that will solve
The purpose of this utility model is to provide a kind of heating control circuit of electric kettle and variable power kettle is difficult to realize the problem that the time of heating up water is short and noise is low to solve existing electric kettle simultaneously.
(2) technical scheme
In order to solve the problems of the technologies described above, the heating control circuit that the utility model provides a kind of electric kettle comprises functional select switch and at least two well heaters, also comprises the first voltage input end and the second voltage input end;
One end of each described well heater is all connected to the first node, and the other end is all connected to the second node; First node is connected with described first voltage input end, and the second node is connected with described second voltage input end;
Between well heater described at least one and described first node or the second node, described functional select switch is set.
Wherein, also comprise water and open temperature controller, described water is opened temperature controller and is arranged between described first node and described first voltage input end or is arranged between described second node and described second voltage input end.
Wherein, also comprise low noise functional indicator light, described low noise functional indicator light and described functional select switch are arranged in parallel.
Wherein, also comprise low noise functional indicator light, described low noise functional indicator light and described well heater described at least one are arranged in parallel.
Wherein, also comprise working station indicator, one end of described working station indicator and described first Node connectedness, the other end and described second Node connectedness.
Wherein, also comprise dry combustion method protection temperature controller, described dry combustion method protection temperature controller is arranged between described first voltage input end and described first node, and opens temperature controller with described water and connect.
Wherein, described well heater comprises primary heater in parallel and secondary heater.
Wherein, the power bracket of described primary heater and secondary heater is 800 ~ 1200W.
The utility model additionally provides a kind of variable power kettle on the other hand, and it comprises the heating control circuit of above-mentioned electric kettle.
Wherein, the capacity of described variable power kettle is 1 ~ 2L.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: in the heating control circuit of the electric kettle that the utility model provides and variable power kettle, the first node is all connected to by one end of each well heater, the other end is all connected to the second node, realizes the parallel connection of multiple well heater; Wherein, between at least one well heater and the second node or the first node, functional select switch is set, by controlling functions selector switch, this well heater corresponding can be controlled whether in running order, namely when functional select switch closes, primary heater and the secondary heater of electric kettle all work, and are in total power Fast Heating duty; When functional select switch is opened a way, only have secondary heater work, be in working with low noise state, select to achieve the quiet and Fast Heating two kinds of functions of electric kettle by the folding of functional select switch like this.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the heating control circuit of the utility model embodiment electric kettle.
Fig. 2 is the schematic diagram of the another kind of heating control circuit of the utility model embodiment electric kettle.
In figure, 1: dry combustion method protection temperature controller; 2: water opens temperature controller; 3: primary heater; 4: secondary heater; 5: functional select switch; 6: low noise functional indicator light; 7: working station indicator; 8: the first voltage input ends; 9: the second voltage input ends; 10: the first nodes; 11: the second nodes.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the heating control circuit of the electric kettle that the utility model provides comprises water and opens temperature controller 2, functional select switch 5 and primary heater 3 and secondary heater 4, also comprises the first voltage input end 8 and the second voltage input end 9;
One end of primary heater 3 and secondary heater 4 is connected to the first node 10, and the other end is connected to the second node 11, certainly, can arrange multiple well heater herein, and one end of each well heater is all connected to the first node 10, and the other end is all connected to the second node 11; Arrange water between first node 10 and the first voltage input end 8 and open temperature controller 2 (specifically can be a temperature detect switch (TDS)), the second node 11 is connected with the second voltage input end 9;
Between at least one well heater and the first node 10 or the second node 11, functional select switch 5 is set, particularly, between primary heater 3 and the second node 11, functional select switch 5 is set.
In above-described embodiment, voltage is provided to whole control circuit by the first voltage input end 8 and the second voltage input end 9, be connected to the first node 10 by one end of primary heater 3 and secondary heater 4, the other end is connected to the second node 11, realizes the parallel connection of two well heaters; Press kettle operating switch, water is opened temperature controller 2 and is closed, circuit turn-on is heated up water, wherein, between primary heater 3 and the second node 11, functional select switch 5 is set, by controlling functions selector switch 5, primary heater 3 can be controlled whether in running order, and then control circuit can be made to be in heat up water fast or quiet duty.
Certainly, also can not arrange water in heating control circuit described in above-described embodiment and open temperature controller 2, water is opened temperature controller 2 and is arranged on outside described heating control circuit, and is connected with the first voltage input end 8 or the second voltage input end 9; In addition, water is opened temperature controller 2 and also can be arranged between the second node 11 and the second voltage input end 9.
Particularly, when functional select switch 5 closes, primary heater 3 and the secondary heater 4 of electric kettle all work, and are in total power Fast Heating duty, thus can save the heat time; When functional select switch 5 is opened a way, electric kettle only has secondary heater 4 to work, kettle adopts relatively low power heating, the noise that kettle sends is low, be in working with low noise state, select to achieve the quiet and Fast Heating two kinds of functions of electric kettle by the folding of functional select switch 5 like this.
Preferably, heating control circuit also comprises low noise functional indicator light 6, and low noise functional indicator light 6 and functional select switch 5 are arranged in parallel.Like this, when closing at functional select switch 5, low noise functional indicator light 6 extinguishes, and primary heater 3 and the secondary heater 4 of electric kettle all work, and now indicates Fast Heating duty; When functional select switch 5 is opened a way, low noise functional indicator light 6 is bright, now, resistance because of low noise functional indicator light 6 is far longer than the resistance of primary heater 3, due to the dividing potential drop effect of low noise functional indicator light 6, the power of primary heater 3 is extremely low, can be considered as electric kettle and only have secondary heater 4 to work, and instruction is in working with low noise state.
Certainly, as shown in Figure 2, this kind of connected mode of low noise functional indicator light also can realize the instruction to low noise and Fast Heating two kinds of functions, particularly, low noise functional indicator light 6 and primary heater 3 are arranged in parallel, now, when functional select switch 5 closes, low noise functional indicator light 6 is opened, and primary heater 3 and the secondary heater 4 of electric kettle all work, and now indicates Fast Heating duty; When functional select switch 5 is opened a way, low noise functional indicator light 6 extinguishes, and electric kettle only has secondary heater 4 to work, and instruction is in working with low noise state.
Further, heating control circuit also comprises working station indicator 7, working station indicator 7 and multiple well heater are arranged in parallel, i.e. one end of working station indicator and the first Node connectedness, the other end and the second Node connectedness, when water open temperature controller 2 close time, this working station indicator 7 is bright, whole control circuit is in running order, and also namely electric kettle is in the state of heating up water; When water is opened, water is opened temperature controller 2 and is opened and be in off state, then this working station indicator 7 extinguishes, and electric kettle is in off position.
Further; open temperature controller 2 in order to avoid water break down and cause the phenomenon of dry combustion method; the utility model is also provided with dry combustion method protection temperature controller 1; dry combustion method protection temperature controller 1 is arranged between the first voltage input end 8 and the first node 10, and opens temperature controller 2 with water and connect, and opens temperature controller 2 break down when water; after water is boiled; well heater continuous heating, now, by dry combustion method protection temperature controller 1 disconnecting circuit.
Usually, the power bracket of primary heater and secondary heater is all preferably 800 ~ 1200W.This range power can not produce higher noise.
The present invention additionally provides a kind of variable power kettle on the other hand, it comprises the heating control circuit of above-mentioned electric kettle, usually, in order to improve portability, the capacity of variable power kettle is 1-2L, adopts above-mentioned heating control circuit, can realize the function that the time of heating up water is short and noise is low simultaneously, and operation accurately and reliably, cost-saving.
In sum, in the heating control circuit of the electric kettle that the utility model provides and variable power kettle, between at least one well heater and the first node 10 or the second node 11, functional select switch 5 is set, by the folding of functional select switch 5, electric kettle is switched between quiet and Fast Heating two kinds of functions, makes electric kettle have two kinds of functions concurrently, and cost-saving, can be shown two of electric kettle kind of a functional status by low noise functional indicator light 6, handled easily; Water can be avoided to open temperature controller 2 break down and cause the phenomenon of dry combustion method by arranging of dry combustion method protection temperature controller 1.
Below be only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (10)
1. a heating control circuit for electric kettle, is characterized in that: comprise functional select switch and at least two well heaters, also comprises the first voltage input end and the second voltage input end;
One end of each described well heater is all connected to the first node, and the other end is all connected to the second node; First node is connected with described first voltage input end, and the second node is connected with described second voltage input end;
Between well heater described at least one and described first node or the second node, described functional select switch is set.
2. the heating control circuit of electric kettle according to claim 1, it is characterized in that: also comprise water and open temperature controller, described water is opened temperature controller and is arranged between described first node and described first voltage input end or is arranged between described second node and described second voltage input end.
3. the heating control circuit of electric kettle according to claim 1, is characterized in that: also comprise low noise functional indicator light, and described low noise functional indicator light and described functional select switch are arranged in parallel.
4. the heating control circuit of electric kettle according to claim 1, is characterized in that: also comprise low noise functional indicator light, and described low noise functional indicator light and described well heater described at least one are arranged in parallel.
5. the heating control circuit of electric kettle according to claim 1, is characterized in that: also comprise working station indicator, one end of described working station indicator and described first Node connectedness, the other end and described second Node connectedness.
6. the heating control circuit of electric kettle according to claim 2; it is characterized in that: also comprise dry combustion method protection temperature controller; described dry combustion method protection temperature controller is arranged between described first voltage input end and described first node, and opens temperature controller with described water and connect.
7. the heating control circuit of electric kettle according to claim 1, is characterized in that: described well heater comprises primary heater in parallel and secondary heater.
8. the heating control circuit of electric kettle according to claim 7, is characterized in that: the power bracket of described primary heater and secondary heater is 800 ~ 1200W.
9. a variable power kettle, is characterized in that: the heating control circuit comprising the electric kettle described in any one of claim 1-8.
10. variable power kettle according to claim 9, is characterized in that: the capacity of described variable power kettle is 1 ~ 2L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572657.5U CN204883422U (en) | 2015-07-30 | 2015-07-30 | Electric kettle's heating control circuit and variable power kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572657.5U CN204883422U (en) | 2015-07-30 | 2015-07-30 | Electric kettle's heating control circuit and variable power kettle |
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| Publication Number | Publication Date |
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| CN204883422U true CN204883422U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520572657.5U Active CN204883422U (en) | 2015-07-30 | 2015-07-30 | Electric kettle's heating control circuit and variable power kettle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890293A (en) * | 2017-12-21 | 2018-04-10 | 湖南新韶光电器有限公司 | A kind of very fast heater and its electric kettle of application |
| CN107949083A (en) * | 2017-12-21 | 2018-04-20 | 湖南新韶光电器有限公司 | A kind of very fast heater circuit and its electric kettle |
-
2015
- 2015-07-30 CN CN201520572657.5U patent/CN204883422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890293A (en) * | 2017-12-21 | 2018-04-10 | 湖南新韶光电器有限公司 | A kind of very fast heater and its electric kettle of application |
| CN107949083A (en) * | 2017-12-21 | 2018-04-20 | 湖南新韶光电器有限公司 | A kind of very fast heater circuit and its electric kettle |
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