CN108185813B - Electric kettle with foot temperature - Google Patents
Electric kettle with foot temperature Download PDFInfo
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- CN108185813B CN108185813B CN201810132394.4A CN201810132394A CN108185813B CN 108185813 B CN108185813 B CN 108185813B CN 201810132394 A CN201810132394 A CN 201810132394A CN 108185813 B CN108185813 B CN 108185813B
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- support frame
- temperature control
- heating
- sheet
- kettle body
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21016—Water-boiling vessels, e.g. kettles electrically heated with heating elements immersed in the water
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21166—Constructional details or accessories
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to a foot-temperature electric kettle which comprises a plug, a kettle body, a cover body, a heating sheet and a temperature control sheet, wherein the plug is connected with the kettle body; the cover body is provided with an exhaust hole; the heating sheet, the temperature control sheet and the plug are sequentially connected in series; a support frame is arranged at the bottom of the kettle body, the heating plate is arranged at the lower part of the support frame, and the temperature control plate is arranged at the upper part of the support frame; a heat insulation layer is arranged between the heating sheet and the temperature control sheet; a heating area is formed between the support frame and the bottom of the kettle body, a mixing area is formed between the support frame and the top of the kettle body, and a convection channel is formed between the support frame and the side wall of the kettle body; the width of the convection channel is smaller than the height of the heating area; the electric kettle has novel and unique structure, can ensure that the water in the kettle body reaches 100 ℃ completely, and effectively prevents the false opening phenomenon, thereby killing bacteria and improving water quality.
Description
Technical Field
The invention relates to a household appliance, in particular to an electric kettle.
Background
The electric kettle heats the water body through the bottom heating element, the middle part of the kettle body is provided with the temperature monitoring element, the temperature of the water body is monitored in real time through the temperature monitoring element, and when the temperature reaches 100 ℃, the electric kettle stops heating; but the hot water is light and always moves upwards; therefore, the electric kettle seems that the upper part is already boiled, the water body at the bottom of the kettle body does not reach 100 ℃, and the temperature monitoring element cannot be arranged at the bottom of the kettle body, so that the electric kettle is powered off when the water body at the position of the temperature monitoring element reaches 100 ℃, the water body below the temperature monitoring element does not really boil, the average water temperature in the kettle body does not reach 100 ℃, the condition that the electric kettle is boiled off when the water body is boiled, and the hot water does not reach the sufficient temperature; this is also why many users find that electric kettles feel tasty when they boil water.
Disclosure of Invention
Aiming at the problems, the invention provides the electric kettle with sufficient temperature, which has novel and unique structure and can ensure that the water in the kettle body reaches 100 ℃ completely, and the false opening phenomenon is effectively prevented, thereby killing bacteria and improving water quality.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the electric kettle comprises a plug, a kettle body, a cover body, a heating sheet and a temperature control sheet; the cover body is provided with an exhaust hole; the heating sheet, the temperature control sheet and the plug are sequentially connected in series;
a support frame is arranged at the bottom of the kettle body, the heating plate is arranged at the lower part of the support frame, and the temperature control plate is arranged at the upper part of the support frame; a heat insulation layer is arranged between the heating sheet and the temperature control sheet;
a heating area is formed between the support frame and the bottom of the kettle body, a mixing area is formed between the support frame and the top of the kettle body, and a convection channel is formed between the support frame and the side wall of the kettle body; the width of the convection channel is smaller than the height of the heating area.
The invention has the beneficial effects that: the plug is connected with a power supply, the heating sheet continuously heats the water body until the water body at the temperature control sheet reaches the boiling point, the temperature control sheet opens a circuit of the heating sheet, the electric kettle stops working, and water boiling is finished at the moment; in use of the invention, a body of water fills the heating zone, the convection channel and the mixing zone; the heating sheet heats the water body in the heating area; heat is transferred in water through heat conduction and heat radiation; the hot water has lighter specific gravity, can float upwards and flow to the upper part of the kettle body in heat transfer, and particularly has more obvious floating phenomenon when the specific gravity is close to the boiling point; therefore, in the later stage of boiling water, the boiling hot water floats to the upper part of the kettle body, and the water at the bottom of the kettle body does not reach the boiling point, so that the phenomenon of false boiling is formed; in the invention, a water body is heated in a heating zone and flows to a mixing zone after passing through a convection channel; the hot water is at the upper part, and the cold water is supplemented into the heating zone from the convection channel, so that the hot water is gathered at the upper part of the mixing zone, and the cold water is gathered at the lower part; because the temperature control sheet is positioned on the upper surface of the support frame and at the bottom of the mixing area, the area where the temperature control sheet is positioned is always surrounded by the water body with lower temperature, and therefore, in the invention, the temperature control sheet always measures the area with the lowest water temperature in the kettle body; when the water body reaches the boiling temperature, the whole kettle body is completely boiled.
In conclusion, the invention has novel structure, unique principle, low cost and low production difficulty; the influence of the heating sheet on the temperature control sheet is eliminated through the heat insulation layer, and the area and the path of heat convection are controlled through the matching of the support frame and the kettle body, so that cold water is gathered in the area where the heating sheet is located, and the function of always detecting the lowest temperature of the kettle body is realized; when the temperature of the area reaches the boiling point, the water in the whole kettle body can reach 100 ℃, so that the sufficient temperature of the water body is ensured, and the drinking water health of residents is further ensured.
Preferably, the support frame comprises a vertical rod and a horizontal circular plate, the longitudinal section of the support frame is T-shaped, the temperature control sheet is arranged at the center of the upper surface of the circular plate, and the heating sheet is attached to the lower surface of the circular plate and the peripheral surface of the vertical rod; so as to increase the heating area and improve the heating efficiency of the invention.
More preferably, a guide ring is coaxially sleeved on the circumference of the circular plate, and the guide ring can rotate and slide relative to the circular plate; the outer ring surface of the guide ring is equidistantly provided with guide fins which are not parallel to the axis of the guide ring; in the process of water heat convection, the guide ring is pushed to rotate slowly to generate fine rotating water flow, so that the temperature can be further promoted to be mixed, and the heating efficiency is improved.
Preferably, a guide plate is arranged at the upper part of the temperature control sheet, and the upper surface of the guide plate is an upward convex arc surface; so as to shunt and guide cold water, and simultaneously prevent hot water from contacting the temperature control sheet when the convection of the mixing area, thereby avoiding the temperature control sheet from misjudging the temperature of the water body, and ensuring the sufficient temperature.
Drawings
Fig. 1 is a schematic sectional structure view of an embodiment of the electric kettle with sufficient temperature.
Detailed Description
Example (b):
in the embodiment shown in fig. 1, the electric kettle for foot temperature comprises a plug, a kettle body 1, a cover body 2, a heating plate 3 and a temperature control plate 4; the cover body 2 is provided with an exhaust hole 21; the heating plate 3, the temperature control plate 4 and the plug are sequentially connected in series;
a support frame is arranged at the bottom of the kettle body 1, the support frame comprises a vertical rod and a horizontal circular plate, the longitudinal section of the support frame is T-shaped, the temperature control sheet 4 is arranged at the center of the upper surface of the circular plate, a guide plate 41 is arranged at the upper part of the temperature control sheet 4, and the upper surface of the guide plate 41 is an upward convex arc surface; the heating sheet 3 is attached to the lower surface of the circular plate and the peripheral surface of the vertical rod, and a heat insulation layer 5 is arranged between the heating sheet 3 and the temperature control sheet 4; the circumference of the circular plate is coaxially sleeved with a guide ring 6, and the guide ring 6 can rotate and slide relative to the circular plate; the outer ring surface of the guide ring 6 is equidistantly provided with guide fins 61, and the guide fins 61 are not parallel to the axis of the guide ring 6;
a heating area is formed between the support frame and the bottom of the kettle body 1, a mixing area is formed between the support frame and the top of the kettle body 1, and a convection channel 7 is formed between the support frame and the side wall of the kettle body 1; the width of the convection channel 7 is smaller than the height of the heating zone.
The plug is connected with a power supply, the heating sheet 3 continuously heats the water body until the water body at the temperature control sheet 4 reaches the boiling point, the temperature control sheet 4 disconnects the circuit of the heating sheet 3, the electric kettle stops working, and water boiling is completed at the moment; in use of the invention, a body of water fills the heating zone, the convection channel 7 and the mixing zone; the heating sheet 3 heats the water body in the heating area; heat is transferred in water through heat conduction and heat radiation; the hot water has lighter specific gravity, can float upwards and flow to the upper part of the kettle body 1 in heat transfer, and particularly has more obvious floating phenomenon when the specific gravity is close to the boiling point; therefore, in the later stage of boiling water, the boiled hot water floats to the upper part of the kettle body 1, and the water at the bottom of the kettle body 1 does not reach the boiling point, so that the phenomenon of false opening is formed; in the present embodiment, as shown by the dotted line in fig. 1, the water body is heated in the heating zone, and flows to the mixing zone after passing through the convection channel 7; the hot water is at the upper part, and the cold water is supplemented into the heating zone from the convection channel 7, so that the hot water is gathered at the upper part of the mixing zone, and the cold water is gathered at the lower part; because the temperature control sheet 4 is positioned on the upper surface of the support frame and at the bottom of the mixing area, the area where the temperature control sheet 4 is positioned is always surrounded by the water body with lower temperature, and therefore, in the invention, the temperature control sheet 4 always measures the area with the lowest water temperature in the kettle body 1; when the water body reaches the boiling temperature, the whole kettle body 1 is completely boiled.
In the embodiment, the heating sheet 3 attached to the lower part of the support frame can effectively increase the heating area and improve the heating efficiency of the invention; when water flows through the convection channel 7, the guide ring 6 is pushed to rotate slowly to generate fine rotating water flow, so that the temperature mixing can be further promoted, and the heat transfer efficiency is further improved; in addition, the guide plate 41 arranged on the upper part of the temperature control sheet 4 can shunt and guide cold water and simultaneously prevent hot water from contacting the temperature control sheet 4 when convection is carried out in a mixing area, so that the temperature of the water body is prevented from being misjudged by the temperature control sheet 4, and the 'foot temperature' is ensured "
In conclusion, the invention has novel structure, unique principle, low cost and low production difficulty; the influence of the heating sheet 3 on the temperature control sheet 4 is eliminated through the heat insulation layer 5, and the area and the path of heat convection are controlled through the matching of the support frame and the kettle body 1, so that the area where the heating sheet 3 is located gathers cold water, and the function of always detecting the lowest temperature of the kettle body 1 is realized; when the temperature of the area reaches the boiling point, the water in the whole kettle body 1 can reach 100 ℃, so that the sufficient temperature of the water body is ensured, and the drinking water health of residents is further ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. A foot-temperature electric kettle comprises a plug, a kettle body (1), a cover body (2), a heating sheet (3) and a temperature control sheet (4); the cover body (2) is provided with an exhaust hole (21); the heating plate (3), the temperature control plate (4) and the plug are sequentially connected in series; the method is characterized in that: a support frame is arranged at the bottom of the kettle body (1), the heating sheet (3) is arranged at the lower part of the support frame, and the temperature control sheet (4) is arranged at the upper part of the support frame; a heat insulation layer (5) is arranged between the heating sheet (3) and the temperature control sheet (4); a heating area is formed between the support frame and the bottom of the pot body (1), a mixing area is formed between the support frame and the top of the pot body (1), and a convection channel (7) is formed between the support frame and the side wall of the pot body (1); the width of the convection channel (7) is less than the height of the heating zone; the supporting frame comprises a vertical rod and a horizontal circular plate, the longitudinal section of the supporting frame is T-shaped, the temperature control sheet (4) is arranged at the center of the upper surface of the circular plate, and the heating sheet (3) is attached to the lower surface of the circular plate and the peripheral surface of the vertical rod; a guide plate (41) is arranged on the upper part of the temperature control sheet (4), and the upper surface of the guide plate (41) is an upward convex arc surface.
2. The electric hot water kettle according to claim 1, characterized in that: a diversion ring (6) is coaxially sleeved on the circumference of the circular plate, and the diversion ring (6) can rotate and slide relative to the circular plate; the outer ring surface of the guide ring (6) is equidistantly provided with guide fins (61), and the guide fins (61) are not parallel to the axis of the guide ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132394.4A CN108185813B (en) | 2018-02-09 | 2018-02-09 | Electric kettle with foot temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132394.4A CN108185813B (en) | 2018-02-09 | 2018-02-09 | Electric kettle with foot temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108185813A CN108185813A (en) | 2018-06-22 |
| CN108185813B true CN108185813B (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810132394.4A Active CN108185813B (en) | 2018-02-09 | 2018-02-09 | Electric kettle with foot temperature |
Country Status (1)
| Country | Link |
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| CN (1) | CN108185813B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937570A (en) * | 2018-08-08 | 2018-12-07 | 孟庆友 | A kind of fast heating electric kettle of suction convection type |
| CN109199097A (en) * | 2018-11-15 | 2019-01-15 | 向春兰 | A kind of electric kettle of high-efficiency heating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1464782A (en) * | 1922-01-31 | 1923-08-14 | Stubbs Walter | Electric heating appliance of the immersed-element type |
| CN2285108Y (en) * | 1997-01-23 | 1998-07-01 | 潮州市凯乐微波家电有限公司 | Electric heating kettle |
| US5897805A (en) * | 1998-01-20 | 1999-04-27 | Breville Pty Ltd | Liquid heating controls |
| CN2544652Y (en) * | 2002-04-05 | 2003-04-16 | 山天生化科技股份有限公司 | Water heating device |
| CN101869430A (en) * | 2010-06-04 | 2010-10-27 | 张京 | Kettle and electric kettle using same |
| CN106805762A (en) * | 2015-11-30 | 2017-06-09 | 宁波海浪电器有限公司 | Electric kettle |
-
2018
- 2018-02-09 CN CN201810132394.4A patent/CN108185813B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1464782A (en) * | 1922-01-31 | 1923-08-14 | Stubbs Walter | Electric heating appliance of the immersed-element type |
| CN2285108Y (en) * | 1997-01-23 | 1998-07-01 | 潮州市凯乐微波家电有限公司 | Electric heating kettle |
| US5897805A (en) * | 1998-01-20 | 1999-04-27 | Breville Pty Ltd | Liquid heating controls |
| CN2544652Y (en) * | 2002-04-05 | 2003-04-16 | 山天生化科技股份有限公司 | Water heating device |
| CN101869430A (en) * | 2010-06-04 | 2010-10-27 | 张京 | Kettle and electric kettle using same |
| CN106805762A (en) * | 2015-11-30 | 2017-06-09 | 宁波海浪电器有限公司 | Electric kettle |
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| Publication number | Publication date |
|---|---|
| CN108185813A (en) | 2018-06-22 |
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Effective date of registration: 20210106 Address after: 518000 Room 201, building A, No. 1, Qian Wan first road, Shenzhen Qianhai cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) business location Shenzhen, Baoan District Xixiang, Qianhai, 12, 3 tower. Applicant after: SHENZHEN KONKA INTELLIGENT ELECTRIC TECHNOLOGY Co.,Ltd. Address before: 215000 room 2107, Wuzhong shopping center, 388 Dong Wu Road, Suzhou, Jiangsu Applicant before: Ma Renhuan |
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Address after: 518000 Room 201, building A, No. 1, Qian Wan first road, Shenzhen Qianhai cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) business location Shenzhen, Baoan District Xixiang, Qianhai, 12, 3 tower. Patentee after: Shenzhen kangjiajiapin Intelligent Electric Appliance Technology Co.,Ltd. Address before: 518000 Room 201, building A, No. 1, Qian Wan first road, Shenzhen Qianhai cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) business location Shenzhen, Baoan District Xixiang, Qianhai, 12, 3 tower. Patentee before: SHENZHEN KONKA INTELLIGENT ELECTRIC TECHNOLOGY CO.,LTD. |