CN101455521B - Electric heating kettle - Google Patents
Electric heating kettle Download PDFInfo
- Publication number
- CN101455521B CN101455521B CN2007100324797A CN200710032479A CN101455521B CN 101455521 B CN101455521 B CN 101455521B CN 2007100324797 A CN2007100324797 A CN 2007100324797A CN 200710032479 A CN200710032479 A CN 200710032479A CN 101455521 B CN101455521 B CN 101455521B
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- kettle body
- electric heater
- temperature
- kettle
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Abstract
The present invention belongs to the technical field of electric heating, and solves the problems that an electric heater of the prior electric kettle has high power, generated steam has quick expulsion speed and is much and easy to scald people, and the steam generates great moisture. The electric kettle comprises a kettle body (3) and a kettle cover (4) arranged on the kettle body (3), the kettle body (3) is provided with a first electric heater (1) and a second electric heater (2), an intra-cavity temperature control switch (5) for inducing temperature of gas in a space to be switched and off is arranged in the space formed by the kettle body (3) and the kettle cover (4), the second electric heater (2) is connected with a switching connecting end of the intra-cavity temperature control switch (5) in series and then connected with the first electric heater (1) in parallel, and a first parallel point (6) and a second parallel point (7) are connected between a first power supply end (8) and a second power supply end (9) in series. Under the condition that total heating power is unchanged, the invention has the advantages that the electric heater achieves heating of double electric heaters, preserves heat by a single electricheater, does not slow down water boiling speed, and saves energy.
Description
Technical field
The invention belongs to the electric-heating technology field.
Background technology
Existing electric kettle includes kettle body and pot lid, in the kettle body, be provided with an electric heater, the kettle body is provided with steam induction temperature detect switch (TDS), this steam induction temperature detect switch (TDS) is arranged in the steam channel in the kettle body, be used to respond to steam, the switch terminal and the electric heater of steam induction temperature detect switch (TDS) are connected on the power end.During use, water is put into the kettle body pot lid that closes, press steam induction temperature detect switch (TDS).Make the electric heater heating power, the water in the kettle body is produced steam by boiled, and this steam can enter in the steam channel, makes the action of steam induction temperature detect switch (TDS), cuts off the power supply of electric heater, stops water being heated.Its shortcoming be when the water in the kettle body be heated boiled after because the user be can not in time pour into water in the vacuum flask because of other things the time, the water in the kettle body can turn cold gradually.The water of this moment is to make tea or infuse coffee all to be not suitable for, and need press steam induction temperature detect switch (TDS) once more and heat again, and is very inconvenient.If the power of electric heater is big, the steam that causes water to produce when boiled is gone out speed, and fast soup is hurted sb.'s feelings easily and many, and the moisture of steam generation is big.
When the object of the invention is to provide a kind of water to be in warm hanging down, adopt double-electric heater to heat, when water seethes with excitement, automatically switch into an electric heater and heat, have heat insulation function, can continue to produce the electric kettle of steam again.
For achieving the above object, described electric kettle, comprise the kettle body, be located at the pot lid on the kettle body, on described kettle body, be provided with first electric heater and second electric heater, but the temperature that is provided with gas in the inductive spacing in the space that described kettle body and pot lid constitute is carried out temperature detect switch (TDS) in the chamber that switching switches, and described second electric heater back of connect with the switch link of the temperature detect switch (TDS) chamber in is in parallel with first electric heater, and parallel connection is put and parallel connection is put and is serially connected with between power end and the power end.
When using under the normal temperature state, temperature detect switch (TDS) is in normally off in the chamber, in case add power supply on power end, first electric heater and the second electric heater electric kettle will generate heat simultaneously, and the water temperature in the kettle body will raise rapidly.Simultaneously, be in the also corresponding rising of air themperature in the space that kettle body and pot lid constitute, the temperature that temperature detect switch (TDS) is sensed air in the chamber will produce action when reaching the vapor (steam) temperature value of its setting, cut off the power supply of second electric heater.Therefore have only first electric heater still to be in the electrical heating state this moment, in the kettle body, the heating power of water reduced under water is in the condition of high temperature automatically.If the power designs of first electric heater becomes just to make the water in the kettle body to burn, then the water in the kettle body is heated to after the boiling by two electric heaters always, automatically switch into first electric heater energising heating, and maintain fluidized state, the steam that the produce this moment just steam more than the heating power generation simultaneously of two electric heaters is little always.If the power designs deficiency of first electric heater so that after the water in the kettle body, then automatically switches into the energising heating of first electric heater by boiled, keep low power energising heating by first electric heater, makes the water in the kettle body be unlikely to turn cold rapidly.In the kettle body, be water-cooled to temperature detect switch (TDS) homing action in the chamber, second electric heater heating power once more then, the water in the kettle body can be heated to boiling once more.So move in circles, can make the water in the kettle body be maintained at a higher temperature or fluidized state always.Therefore the present invention can break the power of an original electric heater on two electric heaters than prior art, has and is heating under the constant situation of general power, the heating of realization double-electric heater, single electric heater insulation, the speed of heating up water does not slow down, and saves the advantage of the energy during insulation.
Description of drawings
Fig. 1 is the structural representation of electric kettle of the present invention.
Fig. 2 removes the upward view of end cover for Fig. 1.
Fig. 3 is the circuit structure diagram of electric kettle of the present invention.Fig. 4 is the three-dimensional sectional structure chart of electric kettle of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of electric kettle of the present invention is described in further detail.
As Fig. 1,2, shown in 3, electric kettle of the present invention, comprise kettle body 3, be located at the pot lid 4 on the kettle body 3, be provided with electric heating base plate 14 in the bottom of kettle body 3, on described kettle body 3, be provided with first electric heater 1 and second electric heater 2, but second electric heater 2 is provided with in the inductive spacing temperature of gas and leads in the space that described kettle body 3 and pot lid 4 constitutes, temperature detect switch (TDS) 5 in the disconnected chamber of switching, in parallel with first electric heater 1 after described second electric heater 2 is connected with the switch link of temperature detect switch (TDS) 5 in the chamber, first point 6 and second point 7 in parallel in parallel is serially connected with between first power end 8 and the second source end 9.
The volume of kettle body 3 is 1.5 liters, and first electric heater, 1 power is 200 watts, and second electric heater, 2 power are 1800 watts.In the chamber temperature detect switch (TDS) 5 be one adopt the temperature-sensitive composite metal as temperature sensor change temperature controller, when steam arrived on the temperature-sensitive composite metal of this temperature controller, this temperature controller can produce action, and normally-closed contact is disconnected.After steam stopped a period of time, the temperature-sensitive composite metal resetted, and the normally-closed contact of this temperature controller is connected.
When opening pot lid 4 energising heating, because first electric heater 1 and second electric heater, 2 heating powers simultaneously in parallel, heating power is 2000 watts, after the water boiling, a large amount of steam makes in the chamber temperature detect switch (TDS) 5 action of being heated, second electric heater 2 disconnects, have only first electric heater 1 to be in the electrical heating state this moment, this moment, power to boil water was 200 watts, this power can be kept the water constantly boiling of boiling, the quantity of steam that produce this moment is little, can be used for an amount of humidification is for a long time carried out in drying indoor.If first electric heater, 1 power is 50 watts, the water of boiling is slowly lowered the temperature, after after a while, first electric heater 1 is by temperature detect switch (TDS) in the chamber 5, and heating makes that water is boiled once more.
Described kettle body 3 is provided with steam channel 13, is provided with steam induction temperature detect switch (TDS) 10 in described steam channel 13, and two switch links of described steam induction temperature detect switch (TDS) 10 are connected between adjacent the parallel connection point and power end.
When the pot lid that closes is heated up water, when the water in the kettle body 3 boiled rise after, the steam that produces reaches pot lid 4, by pot lid 4, through steam channel 13, lead to steam induction temperature detect switch (TDS) 10 after stopping, steam induction this moment temperature detect switch (TDS) 10 can cut off the general supply of first electric heater 1 and second electric heater 2, thoroughly stop heating, electric kettle has the back function of outage automatically that boils water.Steam induction temperature detect switch (TDS) 10 can adopt Chinese patent, and the patent No. is 00228279.8, and name is called the structure that button warping type temperature controller is explained, and sees this patent document for details.When opening pot lid and heating up water, temperature detect switch (TDS) 5 can action in the boiled back cavity of water, and this moment second, electric heater 2 disconnected.Can not enter steam channel 13 because pot lid is opened back steam, steam induction temperature detect switch (TDS) 10 can not move, and first electric heater 1 will keep "on" position, electric kettle to have boiling water the function of back automatic switchover power always, promptly have high power conversion to become small-power.Can utilize opening and close and selecting to boil water and produce steam of pot lid 4 in use.
Can be boiled if the power designs of first electric heater 1 becomes just to make to reach the water of the amount of kettle body 3 volumes permission, then the water of kettle body 3 will remain on fluidized state.If because of environment temperature low excessively, when causing kettle body 3 interior water can not reach boiled, owing to first electric heater 1 constantly heats, after kettle body 3 water temperatures can slowly drop to the uniform temperature value, temperature detect switch (TDS) 5 connection that can reset in the chamber, second electric heater 2 was switched on once more water was heated this moment.When boiling water, often the water of putting in kettle body 3 is a lot, almost reaches the amount that kettle body 3 volumes allow, and therefore mainly relies on the power of second electric heater 2 to heat when heating up water.If the power designs of first electric heater 1 becomes just in time to make the water that reaches kettle body 3 volume allowances can be boiled the time, reduce the water yield of half so, the power that just is equivalent to first electric heater 1 and has increased by one times is hotted plate the water in the former kettle body 3.Hence one can see that, and the watt level difference of first electric heater 1 both can make the 2 continuous break-make ground energising work of second electric heater, also can make second electric heater 2 keep being in off-position always.Put into the water yield of kettle body 3 by adjustment, be equivalent to change the intensity of fire of heating up water, can be used to be equivalent to regulate firepower and hot plate coffee or other food.
The volume of kettle body 3 is 1.5 liters, and first electric heater, 1 power is 300 watts, and second electric heater, 2 power are 1700 watts.In the chamber temperature detect switch (TDS) 5 be one adopt the temperature-sensitive composite metal as temperature sensor change temperature controller, when steam arrived on the temperature-sensitive composite metal of this temperature controller, this temperature controller can produce action, and normally-closed contact is disconnected.After steam stopped a period of time, the temperature-sensitive composite metal resetted, and the normally-closed contact of this temperature controller is connected.
Be provided with the barrier bed 17 that can make water enter kettle body 3 in the described kettle body 3, the steam inlet 18 of described steam channel 13 extends between pot lid 4 and the barrier bed 17, in the described chamber temperature detect switch (TDS) 5 be arranged on barrier bed 17 below.Be provided with connector 19 at the position that water enters kettle body 3 on the described barrier bed 17.So that 19 places connect steam pipe at connector, steam is directed to the place that needs use.
Be provided with sealing ring 20 in the described connector 19, be convenient to seal with steam pipe.
The electric heating base plate 14 of described kettle body 3 is provided with the water that is used on the Induction Heating base plate 14 and is dryouied the dry heating temperature controller 15 that the back temperature constantly rises, and two switch links of described dry heating temperature controller 15 are connected between adjacent the parallel connection point and power end.When in the kettle body 3 water being arranged; temperature on the electric heating base plate 14 can not surpass the temperature value that dry heating temperature controller 15 is set; when the water of kettle body 3 is dryouied; temperature on the electric heating base plate 14 can surpass the temperature value that dry heating temperature controller 15 is set, and constantly rises, until reaching the temperature value that dry heating temperature controller 15 is set; dry heating temperature controller 15 actions this moment; cut off the general supply of first electric heater 1 and second electric heater 2, stop heating, protected kettle body 3 can not burnt.After adding water in the kettle body 3 again, the temperature on the electric heating base plate 14 can lower, and dry heating temperature controller 15 resets, and connects the general supply of first electric heater 1 and second electric heater 2, makes and can work on.Played because cause water in the kettle body 3 accidentally at this dry heating temperature controller 15 by the protective effect after dryouting.
The electric heating base plate 14 of described kettle body 3 is provided with the water that is used on the Induction Heating base plate 14 and is dryouied the thermal cut-off 16 that the back temperature constantly rises, and two links of described thermal cut-off 16 are connected between adjacent the parallel connection point and power end.Thermal cut-off 16 is the same with the protective effect of dry heating temperature controller 15, just produces the back that is heated and fuses irrecoverable.
Described thermal cut-off 16 is serially connected between the adjacent point in parallel and power end with dry heating temperature controller 15, and the fusing-off temperature of thermal cut-off 16 is greater than the temperature sensor of dry heating temperature controller 15.Under the normal dry-fire condition,, after dry heating temperature controller 15 is malfunctioning, cut off the electricity supply, realize twin-stage dry combustion method protection by thermal cut-off 16 fusing by the dry heating temperature controller 15 controls protection of cutting off the electricity supply.Described first electric heater 1 is the C shape and posts in the bottom of electric heating base plate 14, and described dry heating temperature controller 15 is arranged in the zone that first electric heater 1 surrounds on electric heating base plate 14 bottoms.During normal the use; first electric heater 1 is in the energising heated condition always; might the water in the kettle body 3 be dryouied; in case water is dryouied; the heat energy of first electric heater 1 gathers in the middle of the electric heating base plate 14 that the C shape surrounds rapidly; make dry heating temperature controller 15 can produce action power dump rapidly, protection kettle body 3 is not burnt.
Described second electric heater 2 is the C shape and posts in the bottom of electric heating base plate 14, and described thermal cut-off 16 is arranged in the zone that second electric heater 2 surrounds on electric heating base plate 14 bottoms.
The control of the power supply of second electric heater 2 at first is by 5 controls of temperature detect switch (TDS) in the chamber, if in the kettle body 3 water is arranged, then temperature detect switch (TDS) 5 can be subjected to the induction of steam and moves in the chamber, cuts off the power supply of second electric heater 2.If it is anhydrous in the kettle body 3; just can not produce steam in the kettle body 3; temperature detect switch (TDS) 5 can not move in the chamber; steam induction temperature detect switch (TDS) 10 can not move yet; if this moment, dry heating temperature controller 15 was malfunctioning; the heat energy of second electric heater 2 gathers in the middle of the electric heating base plate 14 that the C shape surrounds rapidly, and thermal cut-off 16 can be cut off the electricity supply by fusing rapidly, and protection kettle body 3 is not burnt.
Claims (8)
1. electric kettle, comprise kettle body (3), be located at the pot lid (4) on the kettle body (3), it is characterized in that on described kettle body (3), being provided with first electric heater (1) and second electric heater (2), at described kettle body (3) and pot lid (4) but be provided with in the inductive spacing temperature of gas in the space that constitutes and lead to, temperature detect switch (TDS) (5) in the disconnected chamber of switching, it is in parallel after described second electric heater (2) is connected with the switch link of temperature detect switch (TDS) (5) in the chamber with first electric heater (1), first point in parallel (6) and second point in parallel (7) are serially connected with between first power end (8) and the second source end (9), described kettle body (3) is provided with steam channel (13), in described steam channel (13), be provided with steam induction temperature detect switch (TDS) (10), two switch links of described steam induction temperature detect switch (TDS) (10) are connected between adjacent the parallel connection point and power end, be provided with the barrier bed (17) that can make water enter kettle body (3) in the described kettle body (3), the steam inlet (18) of described steam channel (13) extends between pot lid (4) and the barrier bed (17), temperature detect switch (TDS) in the described chamber (5) be arranged on barrier bed (17) below.
2. electric kettle according to claim 1 is characterized in that described barrier bed (17) is gone up at the position that water enters kettle body (3) to be provided with connector (19).
3. electric kettle according to claim 2 is characterized in that being provided with in the described connector (19) sealing ring (20).
4. according to claim 1,2 or 3 described electric kettles, the electric heating base plate (14) that it is characterized in that described kettle body (3) is provided with the dry heating temperature controller (15) that the water that is used on the Induction Heating base plate (14) is dryouied the continuous rising of back temperature, and two switch links of described dry heating temperature controller (15) are connected between adjacent the parallel connection point and power end.
5. according to claim 1,2 or 3 described electric kettles, the electric heating base plate (14) that it is characterized in that described kettle body (3) is provided with the thermal cut-off (16) that the water that is used on the Induction Heating base plate (14) is dryouied the continuous rising of back temperature, and two links of described thermal cut-off (16) are connected between adjacent the parallel connection point and power end.
6. electric kettle according to claim 4, the electric heating base plate (14) that it is characterized in that described kettle body (3) is provided with the thermal cut-off (16) that the water that is used on the Induction Heating base plate (14) is dryouied the continuous rising of back temperature, described thermal cut-off (16) is serially connected between the adjacent point in parallel and power end with dry heating temperature controller (15), and the fusing-off temperature of thermal cut-off (16) is greater than the temperature sensor of dry heating temperature controller (15).
7. electric kettle according to claim 4, it is characterized in that described first electric heater (1) is the C shape and posts in the bottom of electric heating base plate (14), described dry heating temperature controller (15) is arranged in the zone that last first electric heater in electric heating base plate (14) bottom (1) surrounds.
8. electric kettle according to claim 5, it is characterized in that described second electric heater (2) is the C shape and posts in the bottom of electric heating base plate (14), described thermal cut-off (16) is arranged in the zone that last second electric heater in electric heating base plate (14) bottom (2) surrounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100324797A CN101455521B (en) | 2007-12-14 | 2007-12-14 | Electric heating kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100324797A CN101455521B (en) | 2007-12-14 | 2007-12-14 | Electric heating kettle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101455521A CN101455521A (en) | 2009-06-17 |
| CN101455521B true CN101455521B (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100324797A Expired - Fee Related CN101455521B (en) | 2007-12-14 | 2007-12-14 | Electric heating kettle |
Country Status (1)
| Country | Link |
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| CN (1) | CN101455521B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512076A (en) * | 2011-12-19 | 2012-06-27 | 广东格兰仕集团有限公司 | Multifunctional electric kettle |
| CN103908153B (en) * | 2014-04-29 | 2016-03-23 | 桂林电子科技大学 | A kind of electric kettle |
| CN105902156A (en) * | 2016-06-08 | 2016-08-31 | 佛山市聚成生化技术研发有限公司 | Electric kettle with heat preservation function |
| CN111226104B (en) * | 2017-10-16 | 2023-07-25 | 株式会社岛津制作所 | Gas sampling probe and flue gas analysis device provided with same |
| 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 |
| CN112269328B (en) * | 2020-09-16 | 2021-11-30 | 珠海格力电器股份有限公司 | Control method of electric lunch box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3702956C1 (en) * | 1987-01-31 | 1988-07-21 | Wilhelm Schulze-Witteborg | Attachment for a domestic water kettle |
| CN2579290Y (en) * | 2002-09-27 | 2003-10-15 | 赵克锐 | Two purpose electric heating water kettle for boiling and stewing |
| CN1593305A (en) * | 1999-12-23 | 2005-03-16 | 施特里克斯有限公司 | Electric water heating appliances |
| GB2419081A (en) * | 2004-10-13 | 2006-04-19 | Kenwood Marks Ltd | Food steamer with water treatment device |
| CN2817670Y (en) * | 2005-08-17 | 2006-09-20 | 冯敏 | Electric heating pan |
-
2007
- 2007-12-14 CN CN2007100324797A patent/CN101455521B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3702956C1 (en) * | 1987-01-31 | 1988-07-21 | Wilhelm Schulze-Witteborg | Attachment for a domestic water kettle |
| CN1593305A (en) * | 1999-12-23 | 2005-03-16 | 施特里克斯有限公司 | Electric water heating appliances |
| CN2579290Y (en) * | 2002-09-27 | 2003-10-15 | 赵克锐 | Two purpose electric heating water kettle for boiling and stewing |
| GB2419081A (en) * | 2004-10-13 | 2006-04-19 | Kenwood Marks Ltd | Food steamer with water treatment device |
| CN2817670Y (en) * | 2005-08-17 | 2006-09-20 | 冯敏 | Electric heating pan |
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| CN101455521A (en) | 2009-06-17 |
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