CN104490265A - Electric kettle with thermal insulation function - Google Patents
Electric kettle with thermal insulation function Download PDFInfo
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- CN104490265A CN104490265A CN201410780906.XA CN201410780906A CN104490265A CN 104490265 A CN104490265 A CN 104490265A CN 201410780906 A CN201410780906 A CN 201410780906A CN 104490265 A CN104490265 A CN 104490265A
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- detect switch
- tappet
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Abstract
The invention provides an electric kettle with a thermal insulation function. The electric kettle comprises a kettle body with an electric heating disc; the kettle body is provided with two power terminals to be connected with the mains supply; the electric heating disc comprises a first terminal and a second terminal; the first terminal is connected with the first power terminal; the second terminal is connected with the second power terminal through a temperature control unit; the temperature control unit comprises a thermostatic kick switch and a thermostatic steam switch; the thermostatic steam switch comprises a body and a tappet, the body is provided with an input terminal, an output terminal and an insulation terminal, both the insulation terminal and the input terminal are fixed beside the tappet, a circular conductive sheet is fixed to the tappet, and after the tappet is popped up by the body, the circular conductive sheet connects the insulation terminal and the input terminal; one end of the thermostatic kick switch is connected with the second terminal, and the other end is connected with the insulation terminal of the thermostatic steam switch; the output terminal of the thermostatic steam switch is connected with the second terminal, and the input terminal thereof is connected with the second power terminal.
Description
Technical field
The invention belongs to household electrical appliance technical field, be related specifically to a kind of electric heating kettle with heat insulation function.
Background technology
The electric heating kettle of electric heating tube in drier dish can auto-breaking after water is boiled, has the advantage that firing rate is fast, easy to operate, safe, obtains the welcome of consumer, popularize gradually.But this kind of electric heating kettle generally only has single water boiling function, and not there is heat insulation function, if do not poured into rapidly in thermo jug after water is boiled, water so in electric heating kettle will cool, when winter, the cooling velocity of hot water is very fast, people often need again to press switch and again heat well-done water, and the degree of convenience of use is made a discount.
In addition, also have some electric heating kettles to have heat insulation function, but it can only make water remain on the temperature of more than 95 DEG C, because temperature is too high, can not directly drink, and water be remained on the condition of high temperature and also can waste a large amount of electric energy.
Summary of the invention
The object of the invention is to propose a kind of electric heating kettle with heat insulation function, the holding temperature of this electric heating kettle can be set in certain temperature range, to improve degree easy to use, meets the requirement of consumer.
The electric heating kettle with heat insulation function of the present invention comprises the kettle body being provided with electric heating plate, described kettle body is provided with two power supply terminals for being electrically connected with city, key is that described electric heating plate has the first terminal and the second terminal, described the first terminal is connected with the first power supply terminal, and the second terminal is connected with second source terminal by temperature conditioning unit; Described temperature conditioning unit comprises kick temperature detect switch (TDS) and steam temperature detect switch (TDS), and described kick temperature detect switch (TDS) is being communicated with lower than during operating temperature, and disconnecting higher than during reset temperature, described reset temperature is higher than operating temperature; Described steam temperature detect switch (TDS) comprises main body and tappet, and described tappet is movably installed on the housing of main body, and described main body is provided with input terminal and lead-out terminal, and described main body is higher than during predetermined temperature upspringing tappet to make the separated of input terminal and lead-out terminal; The housing of described main body is also provided with insulation terminal, described insulation terminal and input terminal are all fixed on the side of tappet, described tappet is fixed with annular conductive film, and after described tappet is upspring by main body, above-mentioned annular conductive film can be communicated with insulation terminal and input terminal; One end of described kick temperature detect switch (TDS) is connected with the second terminal, and the other end is connected with the insulation terminal of steam temperature detect switch (TDS); The lead-out terminal of described steam temperature detect switch (TDS) is connected with the second terminal, and the input terminal of steam temperature detect switch (TDS) is connected with second source terminal.
The operation principle of above-mentioned electric heating kettle is as follows:
Time to boil water, press tappet, the input terminal of steam temperature detect switch (TDS) is communicated with lead-out terminal, thus be communicated with the second terminal of second source terminal and electric heating plate, electric current flows through electric heating plate, is the water heating in kettle.When poach is opened and is reached predetermined temperature, the main body action of steam temperature detect switch (TDS) and tappet of upspringing, make the separated of input terminal and lead-out terminal, be communicated with insulation terminal and input terminal simultaneously, complete water boiling function, now because water temperature is higher than reset temperature, kick temperature detect switch (TDS) is off state, therefore state is off, electric heating plate power-off between the second terminal of electric heating plate and second source terminal.
After losing thermal source, water temperature can constantly reduce, when water temperature is lower than operating temperature, kick temperature detect switch (TDS) transfers connected state to, now the second terminal of electric heating plate is communicated with second source terminal by kick temperature detect switch (TDS), electric heating plate energising work, is the water heating in kettle; Water temperature raises gradually, and after water temperature is higher than reset temperature, kick temperature detect switch (TDS) transfers off-state to again, and electric heating plate power-off quits work, and goes round and begins again like this, achieves heat insulation function, and the water temperature in kettle can remain between reset temperature, operating temperature.By selecting the kick temperature detect switch (TDS) with suitable return temperature, operating temperature, the water temperature in kettle can be made to remain in required temperature range.
Compared to now the most frequently used insulating pot temperature detect switch (TDS), the tappet of above-mentioned steam temperature detect switch (TDS) is provided with annular conductive film, housing is provided with insulation terminal, and the insulating pot temperature detect switch (TDS) of structure and working principle all with now the most frequently used of above-mentioned steam temperature detect switch (TDS) main body is identical.Now the most frequently used insulating pot temperature detect switch (TDS) is generally positioned at steam channel, the water vapour produced when utilizing water to seethe with excitement makes the bi-metal plate deformed in insulating pot temperature detect switch (TDS), and utilize distortion promote tappet by lever principle and be arranged at the power switch at kettle body handle place, thus making electric kettle at the boiled rear auto-breaking of water, its power-off can not Self-resetting.There are a lot of disclosed document (as China Patent No. 00103897.4 and 200810120109.3 patent of invention) and application example about above-mentioned now the most frequently used insulating pot temperature detect switch (TDS), repeated no more herein.
Above-mentioned kick temperature detect switch (TDS) is the temperature controller of a kind of bimetal leaf as the temperature module, when electrical equipment normally works, bimetal leaf is in free state, contact is in closed/off-state, when temperature reaches operating temperature, bimetal leaf is heated and produces internal stress and rapidly action, opened/closed contact, cut off/connect circuit, thus play temperature control function.Kick switches has been widely used in, in various electrical equipment, repeating no more herein.
Further, for avoiding controlling confusion, described predetermined temperature is higher than reset temperature.
The electric heating kettle structure with heat insulation function of the present invention is simple, cost is low, control is reliable, after poach is opened, water temperature can be remained in suitable temperature range, such as, say in the temperature range that is applicable to directly drinking, convenient for users.
Accompanying drawing explanation
Fig. 1 ~ 4 are fundamental diagrams with the electric heating kettle of heat insulation function of the present invention.
Fig. 5 is the schematic diagram of the steam temperature detect switch (TDS) in the present invention.
Accompanying drawing indicates: 1, electric heating plate; 11, the first terminal; 12, the second terminal; 2, the first power supply terminal; 3, second source terminal; 4, main body; 41, housing; 5, tappet; 6, input terminal; 7, lead-out terminal; 8, terminal is incubated; 9, conducting strip; K1, kick temperature detect switch (TDS); K2, steam temperature detect switch (TDS).
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the effect and operation principle etc. of the specific embodiment of the present invention as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail.
Embodiment 1:
As shown in the figure, the electric heating kettle with heat insulation function of the present embodiment comprises the kettle body (kettle body not shown in FIG.) being provided with electric heating plate 1, and described kettle body is provided with two power supply terminals for being electrically connected with city, i.e. the first power supply terminal 2 and second source terminal 3; Described electric heating plate 1 has the first terminal 11 and the second terminal 12, and described the first terminal 11 is connected with the first power supply terminal 2, and the second terminal 12 is connected with second source terminal 3 by temperature conditioning unit; Described temperature conditioning unit comprises kick temperature detect switch (TDS) K1 and steam temperature detect switch (TDS) K2, and described kick temperature detect switch (TDS) K1 is being communicated with lower than during operating temperature, and disconnecting higher than during reset temperature, described reset temperature is higher than operating temperature; Described steam temperature detect switch (TDS) K2 comprises main body 4 and tappet 5, described tappet 5 is movably installed on the housing 41 of main body 4, described main body 4 is provided with input terminal 6 and lead-out terminal 7, and described main body 4 is higher than during predetermined temperature upspringing tappet 5 to make the separated of input terminal 6 and lead-out terminal 7; The housing 41 of described main body 4 is also provided with insulation terminal 8, described insulation terminal 8 and input terminal 6 are all fixed on the side of tappet 5, described tappet 5 is fixed with annular conductive film 9, and after described tappet 5 is upspring by main body 4, above-mentioned annular conductive film 9 can be communicated with insulation terminal 8 and input terminal 6; One end of described kick temperature detect switch (TDS) K1 is connected with the second terminal 12, and the other end is connected with the insulation terminal 8 of steam temperature detect switch (TDS) K2; The lead-out terminal 7 of described steam temperature detect switch (TDS) K2 is connected with the second terminal 12, and the input terminal 6 of steam temperature detect switch (TDS) K2 is connected with second source terminal 3.
Above-mentioned predetermined temperature is higher than reset temperature, and reset temperature is higher than operating temperature, and in the present embodiment, predetermined temperature is 99 DEG C, and reset temperature is 50 DEG C, and operating temperature is 30 DEG C.
The operation principle of above-mentioned electric heating kettle is as follows:
As shown in Figure 1, time to boil water, press tappet 5, the input terminal 6 of steam temperature detect switch (TDS) K2 is communicated with lead-out terminal 7, thus be communicated with the second terminal 12 of second source terminal 3 and electric heating plate 1, electric current flows through electric heating plate 1, is the water heating in kettle.Now because water temperature is lower than operating temperature, kick temperature detect switch (TDS) K1 is connected state.
As shown in Figure 2, water temperature raises gradually, and after water temperature is higher than reset temperature, kick temperature detect switch (TDS) K1 transfers off-state to, and now second source terminal 3 still keeps connected state with the second terminal 12 of electric heating plate 1, and electric heating plate 1 keeps heating.
As shown in Figure 3, when poach is opened and is reached predetermined temperature, main body 4 action of steam temperature detect switch (TDS) K2 and tappet 5 of upspringing, make the separated of input terminal 6 and lead-out terminal 7, be communicated with insulation terminal 8 and input terminal 6 simultaneously, complete water boiling function, now because water temperature is higher than reset temperature, kick temperature detect switch (TDS) K1 is off state, is therefore off state, electric heating plate 1 power-off between the second terminal 12 of electric heating plate 1 and second source terminal 3.
As shown in Figure 4, after losing thermal source, water temperature can constantly reduce, when water temperature is lower than operating temperature, kick temperature detect switch (TDS) K1 transfers connected state to, now the second terminal 12 of electric heating plate 1 is communicated with second source terminal 3 by kick temperature detect switch (TDS) K1, and electric heating plate 1 is energized work, is the water heating in kettle.
As shown in Figure 3, water temperature raises gradually, and after water temperature is higher than reset temperature, kick temperature detect switch (TDS) K1 transfers off-state to again, and electric heating plate 1 power-off quits work.
Go round and begin again like this, achieve heat insulation function, the water temperature in kettle can remain between reset temperature, operating temperature.By selecting the kick temperature detect switch (TDS) K1 with suitable return temperature, operating temperature, the water temperature in kettle can be made to remain in required temperature range.
Claims (2)
1. one kind has the electric heating kettle of heat insulation function, comprise the kettle body being provided with electric heating plate, described kettle body is provided with two power supply terminals for being electrically connected with city, it is characterized in that described electric heating plate has the first terminal and the second terminal, described the first terminal is connected with the first power supply terminal, and the second terminal is connected with second source terminal by temperature conditioning unit; Described temperature conditioning unit comprises kick temperature detect switch (TDS) and steam temperature detect switch (TDS), and described kick temperature detect switch (TDS) is being communicated with lower than during operating temperature, and disconnecting higher than during reset temperature, described reset temperature is higher than operating temperature; Described steam temperature detect switch (TDS) comprises main body and tappet, and described tappet is movably installed on the housing of main body, and described main body is provided with input terminal and lead-out terminal, and described main body is higher than during predetermined temperature upspringing tappet to make the separated of input terminal and lead-out terminal; The housing of described main body is also provided with insulation terminal, described insulation terminal and input terminal are all fixed on the side of tappet, described tappet is fixed with annular conductive film, and after described tappet is upspring by main body, above-mentioned annular conductive film can be communicated with insulation terminal and input terminal; One end of described kick temperature detect switch (TDS) is connected with the second terminal, and the other end is connected with the insulation terminal of steam temperature detect switch (TDS); The lead-out terminal of described steam temperature detect switch (TDS) is connected with the second terminal, and the input terminal of steam temperature detect switch (TDS) is connected with second source terminal.
2. the electric heating kettle with heat insulation function according to claim 1, is characterized in that described predetermined temperature is higher than reset temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780906.XA CN104490265A (en) | 2014-12-17 | 2014-12-17 | Electric kettle with thermal insulation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410780906.XA CN104490265A (en) | 2014-12-17 | 2014-12-17 | Electric kettle with thermal insulation function |
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| Publication Number | Publication Date |
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| CN104490265A true CN104490265A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410780906.XA Pending CN104490265A (en) | 2014-12-17 | 2014-12-17 | Electric kettle with thermal insulation function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744115Y (en) * | 2004-09-22 | 2005-11-30 | 汤义隆 | Heat insulation multifunction temp control switch |
| WO2007051386A1 (en) * | 2005-11-07 | 2007-05-10 | Chia-Yi Hsu | Manually resettable thermostat |
| CN101507574A (en) * | 2009-03-10 | 2009-08-19 | 广东新宝电器股份有限公司 | Heat-preservation electric kettle |
| WO2010009609A1 (en) * | 2008-07-19 | 2010-01-28 | 浙江家泰电器制造有限公司 | Overheating protection controller assembly of liquid heating vessel |
| CN204378883U (en) * | 2014-12-17 | 2015-06-10 | 信宜市汇美电器有限公司 | A kind of electric heating kettle with heat insulation function |
-
2014
- 2014-12-17 CN CN201410780906.XA patent/CN104490265A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744115Y (en) * | 2004-09-22 | 2005-11-30 | 汤义隆 | Heat insulation multifunction temp control switch |
| WO2007051386A1 (en) * | 2005-11-07 | 2007-05-10 | Chia-Yi Hsu | Manually resettable thermostat |
| WO2010009609A1 (en) * | 2008-07-19 | 2010-01-28 | 浙江家泰电器制造有限公司 | Overheating protection controller assembly of liquid heating vessel |
| CN101507574A (en) * | 2009-03-10 | 2009-08-19 | 广东新宝电器股份有限公司 | Heat-preservation electric kettle |
| CN204378883U (en) * | 2014-12-17 | 2015-06-10 | 信宜市汇美电器有限公司 | A kind of electric heating kettle with heat insulation function |
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Application publication date: 20150408 |
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