CN203789705U - Electrical water heating kettle capable of accurately controlling temperature - Google Patents
Electrical water heating kettle capable of accurately controlling temperature Download PDFInfo
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- CN203789705U CN203789705U CN201420172563.4U CN201420172563U CN203789705U CN 203789705 U CN203789705 U CN 203789705U CN 201420172563 U CN201420172563 U CN 201420172563U CN 203789705 U CN203789705 U CN 203789705U
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Abstract
The utility model relates to a water boiling appliance, in particular to an electrical water heating kettle capable of accurately controlling temperature. The electrical water heating kettle comprises a kettle body, a base, a handle and a kettle cover, wherein the kettle body is connected with a power socket through the base; a heating pipe is arranged at the bottom of the kettle body. The electrical water heating kettle is characterized in that the heating pipe is connected with a heating circuit used for enabling the heating pipe to perform heating at the constant power and an insulation circuit used for enabling the temperature in the kettle to be kept in a set range; the heating circuit comprises a power circuit capable of providing a safe direct-current output and a heating switch used for controlling the power circuit to be turned on or off; the insulation circuit is provided with a display control device in a matched way. The electrical water heating kettle is capable of accurately controlling the temperature of water in the kettle and preventing water boiled for a long time from being produced, can meet different requirements on the water temperature caused by people and is convenient to use.
Description
Technical field
The utility model relates to a kind of water cooking appliance, especially relates to a kind of electric kettle that can accurately control temperature, belongs to family expenses small household appliances technical field.
Background technology
Existing electric kettle, after water is heated, is easy to coolingly, when needs are drunk, often needs to reheat, and forms so-called " thousand boiling water ", not only causes the waste of the energy, and drinks this water and be also unfavorable for that people's is healthy.For this reason, people have invented the electric kettle with heat insulation function, by vacuum layer or other thermal insulation layers, delay scattering and disappearing of heat, hot water are played to the effect of insulation.But this thermal-insulation electric heating kettle cannot accurately be controlled the temperature of water-in-kettle, and people also cannot check the temperature of water-in-kettle, for using the profit that brings some inconvenience.
People show by research: for brewing the water temperature of tea or coffee, have an optimum temperature, the tea or coffee taste that brews out is like this best, meanwhile, also have a best consumption temperature, such as, with 90 ℃ of brewing teas, drink the optimum temperature that tea is proved to be Instant Drinks green tea for 60 ℃.In this case, just need to design a kind of electric kettle that can accurately control and maintain water-in-kettle temperature, to reach best result of use.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of health, easy to use that is conducive to, and can accurately control the electric kettle of temperature.
To achieve these goals, the utility model is by the following technical solutions:
A kind of electric kettle that can accurately control temperature, comprise kettle body (1), base (2), handle (3), pot lid (4), described kettle body (1) is connected with power socket by base (2), described kettle body (1) bottom is provided with heating tube, it is characterized in that: on described heating tube, be connected with for making heating tube with the heater circuit of firm power heating with for making temperature in kettle remain on the thermal circuit of design temperature, heater circuit comprises power circuit and the heater switch (15) opening and closing for controlling power circuit that safe DC current output can be provided, thermal circuit is equipped with display control device (16).Described electric kettle is provided with heater circuit, and power that can be specified is to the conscientious heating of the water in kettle, until boiling, heating effect is good; Be provided with thermal circuit, can need to be accurately incubated the water in kettle according to using, and show in real time water-in-kettle temperature, meet the needs that people brew tea or coffee, more convenient to use.
Further, described display control device (16) comprises display and control panel (7) and aobvious control treatment circuit plate (5), display and control panel (7) is electrically connected to aobvious control treatment circuit plate (5), on aobvious control treatment circuit plate (5), microcomputer chip (8) is housed, temperature signal amplifier (9), keyboard input module (10), heating control module (11), numerical value register (12), temperature digital-display circuit (13) and temperature digital-display device (14), microcomputer chip (8) respectively with the output of temperature signal amplifier (9), keyboard input module (10), heating control module (11), numerical value register (12), temperature digital-display circuit (13) and temperature digital-display device (14) are connected, on described display and control panel (7), be provided with temperature digital-display device (14), Temperature Setting enter key (17) and temperature detect switch (TDS) (18), in described kettle body (1) bottom, be provided with temperature sensor (6), the input of temperature sensor (6) is connected to the input of the upper temperature signal amplifier (9) of aobvious control treatment circuit plate (5).Aobvious control treatment circuit plate is provided with microcomputer chip, in microcomputer chip, can set formula, and then to sensor sensing to the temperature value of temperature, keyboard input module input bring in formula and calculate and process, and then can accurately control heating the water in kettle is protected to mild heat.
Further, described temperature sensor is RTD temperature-sensing element.This sensor temperature influence error is little, has improved the accuracy of detected temperatures.
Further, on described kettle body, be also provided with battery, battery is connected with aobvious control treatment circuit plate (5), for aobvious control treatment circuit plate (5) provides power supply; Battery is connected with automatic power switch.When kettle body is not connected with base, can adopt battery to the power supply of thermal circuit plate, and adopt powered battery after kettle body departs from base, continue to show the water temperature in kettle body, use convenient.
Further, described battery is general dry battery or battery that can recharge, and battery is arranged on handle or kettle body bottom.It is that general dry battery is drawn materials easily that battery is set, and is arranged to chargeable battery energy-saving environmental protection, need not often change battery, save trouble and labor, and battery is arranged on handle, use convenient.
Further, between described heating tube and heater circuit and thermal circuit, be provided with thermal insulation board.This thermal insulation board is set and plays heat insulation effect, the heat of avoiding heating tube is too high and burn out circuit board.
Further, described display and control panel is located at handle top.This position is convenient to be observed and controls.
In sum, the utlity model has following advantage: described electric kettle is provided with heater circuit plate, can to the water in kettle, heat as required; Be provided with thermal circuit plate, can the water in kettle be accurately incubated, and artificially the water in kettle be carried out to water temperature adjusting by display control device, make the tea or coffee mouthfeel that brews out best, display control device also can show water-in-kettle temperature, more convenient to use.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the fundamental diagram of the aobvious control of the utility model treatment circuit plate.
The specific embodiment
In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out to clear, complete description.
As Figure 1-3, a kind of electric kettle that can accurately control temperature, comprise kettle body 1, base 2, handle 3, pot lid 4, described kettle body 1 is connected with power socket by base 2, base 2 has the attaching plug of pegging graft with power socket, described kettle body 1 bottom is provided with heating tube, on described heating tube, be connected with for making heating tube with the heater circuit of firm power heating with for making temperature in kettle remain on the thermal circuit of design temperature, heater circuit comprises power circuit and the heater switch 15 opening and closing for controlling power circuit that safe DC current output can be provided, thermal circuit is equipped with display control device 16.Display control device 16 comprises display and control panel 7 and aobvious control treatment circuit plate 5, display and control panel 7 is electrically connected to aobvious control treatment circuit plate 5, on aobvious control treatment circuit plate 5, microcomputer chip 8, temperature signal amplifier 9, keyboard input module 10, heating control module 11, numerical value register 12, temperature digital-display circuit 13 and temperature digital-display device 14 are housed, microcomputer chip 8 is connected with output, keyboard input module 10, heating control module 11, numerical value register 12, temperature digital-display circuit 13 and the temperature digital-display device 14 of temperature signal amplifier 9 respectively; On described display and control panel 7, be provided with temperature digital-display device 14, Temperature Setting enter key 17 and temperature detect switch (TDS) 18; In described kettle body 1 bottom, be provided with temperature sensor 6, the input of temperature sensor 6 is connected to the input of temperature signal amplifier 9 on aobvious control treatment circuit plate 5.
Principle and the process of the control temperature of electric kettle of the present utility model are as follows: (1) inputs holding temperature D by enter key; (2) the heating a time, a is 1s-55s, writes down water temperature A and time a; (3) be heated to time b, b is 5-120s, writes down water temperature B and time b; (4) calculate water temperature programming rate: (B-A)/(b-a)=programming rate v; (5) according to the speed of the intensification of water, calculate the water yield X in kettle body, water yield X=(electric kettle power) ^2/(3.23*v); (6) be in computer chip, to input formula: Z=r*(p-q)/3.23*X, J=D-Z; Wherein input the thermal capacitance that r is heating tube, the temperature p of heat-generating pipe when cutting off the electricity supply; When computer chip receives the holding temperature D of input, automatically bring formula into and calculate actual power-off temperature J; (7) when sensor sensing reaches J to the water temperature in kettle body, just by heating control module 11, cut off the electricity supply, stop heating; And when temperature surpasses J, by heating control module 11, switch on power and start heating again.This arranges and can carry out accurate temperature control to the water in kettle body, as required the water in kettle body is carried out to accurate temperature adjusting, makes the tea or coffee that brews out more delicious, meets individual taste.
In order to make the better effects if of sensor detected temperatures, described temperature sensor 6 adopts RTD temperature-sensing element, and the temperature sense error of this sensor is less, makes the accuracy of sensor detected temperatures higher.
In use, kettle body departs from base to electric kettle, disconnects with power supply, in order to continue to observe water-in-kettle temperature, on described kettle body 1, is also provided with battery, and battery is connected with aobvious control treatment circuit plate 5, for aobvious control treatment circuit plate 5 provides power supply; Battery is connected with automatic power switch; When kettle body leaves base, switch to powered battery state, continue to show the water temperature in kettle body, use convenient.
Concrete, described battery is general dry battery, it is that general dry battery is drawn materials easily that battery is set; Certainly in other embodiments, described battery can be can recharge battery, and be arranged to chargeable battery energy-saving environmental protection, need not often change battery, save trouble and labor, battery is arranged on handle or kettle body bottom, the installation easy accessibility of this position.
Too high and burn out circuit board for fear of the heat of heating tube, between described heating tube and heater circuit and thermal circuit, be provided with thermal insulation board.This thermal insulation board is set and plays heat insulation effect, for electric hot plate provides protection.
Preferably, described display control device 16 is located at handle 3 tops, the water temperature in the convenient observation in this position and control kettle; Certainly in other embodiments, display control device 16 can also be located on attaching plug, its effect reaching is identical.
Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the utility model protection.
Claims (7)
1. the electric kettle that can accurately control temperature, comprise kettle body (1), base (2), handle (3), pot lid (4), described kettle body (1) is connected with power socket by base (2), described kettle body (1) bottom is provided with heating tube, it is characterized in that: on described heating tube, be connected with for making heating tube with the heater circuit of firm power heating with for making temperature in kettle remain on the thermal circuit of design temperature, heater circuit comprises power circuit and the heater switch (15) opening and closing for controlling power circuit that safe DC current output can be provided, thermal circuit is equipped with display control device (16).
2. the electric kettle that can accurately control temperature according to claim 1, it is characterized in that: described display control device (16) comprises display and control panel (7) and aobvious control treatment circuit plate (5), display and control panel (7) is electrically connected to aobvious control treatment circuit plate (5), on aobvious control treatment circuit plate (5), microcomputer chip (8) is housed, temperature signal amplifier (9), keyboard input module (10), heating control module (11), numerical value register (12), temperature digital-display circuit (13) and temperature digital-display device (14), microcomputer chip (8) respectively with the output of temperature signal amplifier (9), keyboard input module (10), heating control module (11), numerical value register (12), temperature digital-display circuit (13) and temperature digital-display device (14) are connected, on described display and control panel (7), be provided with temperature digital-display device (14), Temperature Setting enter key (17) and temperature detect switch (TDS) (18), in described kettle body (1) bottom, be provided with temperature sensor (6), the input of temperature sensor (6) is connected to the input of the upper temperature signal amplifier (9) of aobvious control treatment circuit plate (5).
3. the electric kettle that can accurately control temperature according to claim 2, is characterized in that: described temperature sensor (6) is RTD temperature-sensing element.
4. the electric kettle that can accurately control temperature according to claim 1, is characterized in that: on described kettle body, be also provided with battery, battery is connected with aobvious control treatment circuit plate (5), for aobvious control treatment circuit plate (5) provides power supply; Battery is connected with automatic power switch.
5. the electric kettle that can accurately control temperature according to claim 4, is characterized in that: described battery is general dry battery or battery that can recharge, and battery is arranged on the upper or kettle body bottom of handle (3).
6. the electric kettle that can accurately control temperature according to claim 1, is characterized in that: between described heating tube and heater circuit and thermal circuit, be provided with thermal insulation board.
7. the electric kettle that can accurately control temperature according to claim 2, is characterized in that: described display control device (16) is located at handle (3) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172563.4U CN203789705U (en) | 2014-04-10 | 2014-04-10 | Electrical water heating kettle capable of accurately controlling temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172563.4U CN203789705U (en) | 2014-04-10 | 2014-04-10 | Electrical water heating kettle capable of accurately controlling temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203789705U true CN203789705U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420172563.4U Expired - Fee Related CN203789705U (en) | 2014-04-10 | 2014-04-10 | Electrical water heating kettle capable of accurately controlling temperature |
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| Country | Link |
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| CN (1) | CN203789705U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106388577A (en) * | 2016-11-25 | 2017-02-15 | 贺迈新能源科技（上海）有限公司 | Temperature-control kettle and temperature control method |
| CN106923668A (en) * | 2017-04-18 | 2017-07-07 | 贵州大学 | One kind is with temperature controlled electric kettle |
| CN113475933A (en) * | 2021-07-27 | 2021-10-08 | 珠海格力电器股份有限公司 | Heating control method and device for improving heat preservation effect, health preserving pot and storage medium |
| CN113600255A (en) * | 2021-08-30 | 2021-11-05 | 张雷 | Constant-temperature water bath device capable of automatically controlling temperature and control method thereof |
| CN113769810A (en) * | 2021-09-16 | 2021-12-10 | 邓春长 | Stable-heating linear temperature-rising water bath device and control method thereof |
-
2014
- 2014-04-10 CN CN201420172563.4U patent/CN203789705U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106388577A (en) * | 2016-11-25 | 2017-02-15 | 贺迈新能源科技（上海）有限公司 | Temperature-control kettle and temperature control method |
| CN106923668A (en) * | 2017-04-18 | 2017-07-07 | 贵州大学 | One kind is with temperature controlled electric kettle |
| CN113475933A (en) * | 2021-07-27 | 2021-10-08 | 珠海格力电器股份有限公司 | Heating control method and device for improving heat preservation effect, health preserving pot and storage medium |
| CN113600255A (en) * | 2021-08-30 | 2021-11-05 | 张雷 | Constant-temperature water bath device capable of automatically controlling temperature and control method thereof |
| CN113769810A (en) * | 2021-09-16 | 2021-12-10 | 邓春长 | Stable-heating linear temperature-rising water bath device and control method thereof |
| CN113769810B (en) * | 2021-09-16 | 2024-01-02 | 邓春长 | Stable-heating linear temperature-rising water bath and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20150410 |
|
| EXPY | Termination of patent right or utility model |