CN211985007U

CN211985007U - Temperature-regulating electric kettle

Info

Publication number: CN211985007U
Application number: CN201821237063.9U
Authority: CN
Inventors: 张希军; 胡光南; 孙继明
Original assignee: Shenzhen Dingyan Technology Co ltd
Current assignee: Shenzhen Dingyan Technology Co ltd
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2020-11-24
Anticipated expiration: 2028-07-18

Abstract

A temperature-adjusting electric kettle relates to an electric kettle for life, which is used for boiling water, rapidly cooling and preserving heat for a long time, and comprises a base, a kettle body, a kettle cover, an electric heating disc, an electric control device, a heat dissipation device and a driving device, wherein the electric control device comprises a control circuit board, a control panel and a temperature sensor, the heat dissipation device comprises heat dissipation fins, a heat dissipation fan and a heat conduction element, and the heat dissipation fins and the kettle body are switched between heat conduction states or heat insulation states by driving the heat dissipation fins or the heat conduction element by the driving device. The wall of the kettle body is of an interlayer structure, and the interlayer is vacuumized. The temperature sensor sends an instruction to the control circuit board, so that the working procedures of heating and boiling water, forcibly and quickly cooling the boiling water, keeping the set water temperature for a long time in a heat insulation way and supplementing heat and raising the temperature are realized, the defects that the existing electric kettle cannot be quickly cooled and cannot keep the temperature for a long time are overcome, the time for a user to wait for the natural cooling of the boiling water is saved, the electric energy for repeated boiling is also saved, and the harm of 'water boiling over' to the health of people is avoided.

Description

Temperature-regulating electric kettle

Technical Field

The utility model relates to an electric kettle for daily use, in particular to an electric kettle which can keep set temperature and prepare drinking boiling water.

Background

An electric kettle is a device widely used for preparing drinking boiling water in families and public places, the electric kettle in the prior art comprises a kettle body, a kettle cover, an electric heating disc and a steam switch, when water is heated to a boiling point, a large amount of water steam close to the boiling point is generated, and the steam switch is triggered to cut off a power supply of the electric heating disc to stop working. Although the electric kettle is widely applied, some defects exist, for example, boiled water is left in the kettle and can be slowly cooled to be close to room temperature, the requirements of Chinese people for making tea and the habit of drinking hot drinks are not met, the electric kettle often needs to be continuously electrified for heating and even repeatedly boiled to become 'boiling water' which is harmful to health, the electric kettle is troublesome, consumes electricity and is not sanitary, and some users have to be provided with a traditional thermos bottle at the same time. Even if the infant drinks and makes milk powder, if the temperature is strictly controlled and warm water is supplied at any time, the water boiled by the existing electric kettle is not too hot or too cold. The boiled water must be cooled for a long time to be cooled to a drinkable temperature, so that the emergency requirement cannot be met. The temperature-adjusting electric kettle capable of quickly cooling and maintaining the set temperature for a long time is an urgent need of the market.

Disclosure of Invention

Object of the Invention

The utility model aims at overcoming the defects that the prior art can not cool quickly and can not preserve heat, and provides a temperature-adjusting electric kettle which can cool quickly and can keep set temperature for a long time so as to meet the urgent needs of the market.

Method of the invention

In order to achieve the above object, the utility model provides a temperature-adjusting electric kettle, including base 10, the kettle body 20, pot lid 30 on arranging the base in, arrange the internal electric plate 40 and the electrically controlled device 50 of kettle in, its characterized in that: the wall of the kettle body 20 is of a sandwich structure, the sandwich is vacuumized, the bottom plate 31 of the kettle cover 30 is made of heat-insulating materials, and the opening of the kettle body is completely covered when the kettle is in operation; the electric control device 50 comprises a control circuit board 51, a control panel 52 and a temperature sensor 53; the temperature-regulating electric kettle further comprises a heat dissipation device 60, wherein the heat dissipation device 60 comprises heat dissipation fins 61, a heat dissipation fan 62, a heat conduction element 63 and a driving device 64 for driving the heat dissipation fins or the heat conduction element.

The driving device 64 is an electromagnet 642 or an electric screw rod device 641, and is used for driving the heat dissipation fins 61 or the heat conduction elements 63 to be in contact with or separated from each other.

The temperature sensor 53 is a thermocouple for converting the water temperature into an electrical signal. The control panel 52 is internally provided with a water temperature display screen and a temperature adjusting button or knob for setting water temperature, the control circuit board 51 is internally provided with a power supply circuit for supplying power to the electric heating plate 40, the cooling fan 62 and the driving device 64, when the temperature adjusting electric kettle works, the required heat preservation temperature is set in the electric control device, the temperature sensor sends an instruction to the control circuit board according to the measured water temperature, and the following working procedures are realized:

A. when the electric kettle starts to work, the power supply circuit of the electric heating disk 40 is switched on, a boiling procedure is carried out, and the temperature of cold water in the kettle starts to rise;

B. when the water temperature rises to the boiling point, the power supply circuit of the electric heating plate 40 is disconnected;

C. simultaneously or in a delayed way, the power supply circuit of the heat radiation fan 62 and the driving device 64 is switched on, the heat radiation fins 61 and the heat conduction element 63 are driven to be mutually contacted, the heat of the boiling water is led into the heat radiation fins so as to be radiated to the air, and a forced cooling procedure is carried out;

D. when the water temperature is reduced to the set temperature, the power supply circuit of the heat radiation fan 62 is cut off, the power supply circuit of the driving device 64 is switched, the heat radiation fins 61 and the heat conduction element 63 are driven to be separated from each other, the heat radiation to the air is stopped, and the heat insulation and preservation process is started;

E. when the water temperature is lower than the set temperature, a power supply circuit of the electric heating disk 40 is switched on, and a heat supplementing procedure is started;

F. when the water temperature rises to the set temperature, the power supply circuit of the electric heating disk 40 is disconnected, and the heat insulation program is started again;

G. and circularly executing the heat supplementing and heat preserving programs of the E-F-E until shutdown.

This temperature regulating electric kettle realizes forcing cooling and adiabatic heat preservation function's a structural style is:

the inner container 21 of the sandwich structure of the wall of the pot body 20 is made of heat conducting materials, and the upper end wall of the inner container is buckled with the bottom plate 31 at the bottom of the pot cover 30; the center of the bottom plate 31 of the pot cover 30 is provided with a supporting column 312;

the heat conducting elements 63 are a plurality of arc heat conducting fins 63a, the insert clamp is arranged in arc notches 311 at equal intervals on the periphery of the bottom plate 31 at the bottom of the kettle cover 30 and is tightly contacted with the upper end wall of the inner container 21 on the wall of the kettle body 20, the heat radiating fins 61 are rotary fins 61a which are partially disc-shaped, arc heat insulating inserts 611 with equal angles and equal radiuses with the heat conducting fins 63a are inserted on the periphery of the rotary fins 61a, the circle center of the rotary fins 61a is provided with a round hole 61a1 for movably sleeving the rotary fins on the supporting column 312, the rotary fins are driven by the driving device 64 to rotate around the supporting column 312, so that the heat insulating inserts 611 at the edges of the rotary fins are contacted with or separated from the heat conducting fins 63a of the bottom plate 31, when the rotary fins 61a are rotated to make the heat insulating inserts 611 and the heat conducting fins 63a overlapped and contacted with each other, the heat conducting channels of the inner container and the heat radiating fins are cut off, the kettle body is, the kettle body inner container is communicated with the heat conduction channels of the radiating fins and is in a radiating and cooling state.

This temperature adjustment insulating pot realizes forcing cooling and another structural style of adiabatic heat preservation function is: the heat dissipation fins 61 are movable fins 61b, the edges of the heat dissipation fins are provided with heat conduction lips 61b1, the movable fins 61b are movably mounted in the kettle lid 30 and can be driven by the driving device 64 to move along the guide rails 66, so that the heat conduction lips 61b1 can be inserted into or pulled out of a gap between the upper end of the kettle body 20 and the lower edge of the kettle lid 30, and the heat conduction between the movable fins 61b and the inner wall of the kettle body 20 can be communicated or cut off.

The temperature-regulating electric kettle realizes the forced cooling and heat insulation functions and has another structural form that: the heat radiating fins 61 are movable fins 61b movably arranged in the kettle cover 30 and can move along the guide rails 66; the heat conducting element 63 is a cylindrical plate 63b, which is fixed in the kettle body 20, the middle and lower parts of the heat conducting element are immersed in the kettle water, the upper part of the heat conducting element extends into the kettle cover, the driving device 64 drives the movable fin 61b to move, so that the edge of the movable fin is contacted with or separated from the cylindrical plate 63b, the contact surfaces of the movable fin and the cylindrical plate 63b are in a mutually fitted shape, and the movable fin and the cylindrical plate 63b are made of good heat conducting materials such as aluminum alloy and copper alloy. A heat insulating cover 67 for preventing heat radiation is fixed to the end of the movable fin 61 b.

The guide rails 66 are sliding guide rails or ball guide rails.

The temperature-regulating electric kettle can realize the functions of forced cooling and heat insulation and preservation and can adopt the following structural forms: the heat radiating fins 61 are swing fins 61c, are movably arranged in the kettle cover 30 by hinges 65, and can be driven to swing around the hinges 65 by a driving device 64; the edge of the swing type fin 61c is provided with a heat conduction boss 61c 1; the heat conducting element 63 is a cylindrical plate 63b which is cylindrical and fixed in the kettle body 20, the middle part and the lower part of the heat conducting element are immersed in the water in the kettle, and the upper part of the heat conducting element extends into the kettle cover; the driving device 64 is used for driving the swinging fin 61c to swing, so that the heat conduction boss 61c1 and the cylindrical plate 63b are mutually contacted or separated, the contact surfaces of the swinging fin 61c and the cylindrical plate 63b are mutually attached, and the swinging fin 61c and the cylindrical plate 63b are made of good heat conduction materials;

a heat insulation sliding plate 33 linked with the swing type fin 61c is movably arranged on the bottom plate 31 of the kettle cover 30, a pulling rod 61c2 is fixed on the swing type fin 61c, and the pulling rod pulls the heat insulation sliding plate 33 to cover or open the opening on the bottom plate 31. When the swinging fin 61c and the cylindrical panel 63b are separated from each other, the heat insulating slide plate 33 covers the edge of the cylindrical panel 63b exposed above the bottom plate 31, preventing it from dissipating heat to the air above the bottom plate.

For the convenience of water taking, the thermoregulation electric kettle is also provided with a water taking pump assembly 70 or a manual water drain valve 32 in the kettle cover 30, the water taking pump assembly 70 comprises a water pump motor 71, a water pump 72, a water suction pipe 73 and a water outlet pipe 74, the water pump is a self-sucking pump with a suction range higher than the depth of the kettle body, and the self-sucking pump can adopt a centrifugal pump or a diaphragm pump or a plunger pump in the prior art. The small electric kettle can directly pour water by using the manual drain valve 32 without arranging a water taking pump.

The utility model discloses an exchange mains supply power supply, also can adopt the dual power supply of alternating current-direct current, set up power module 54 in electrically controlled device 50, power module includes rechargeable battery 541 and charger, and rechargeable battery 541 supplies power for the electric hot tray when being used for electric kettle to remove and makes the kettle in the water concurrent heating rise in temperature or for radiator fan power supply force to cool down water with higher speed.

The beneficial effects of the utility model

The utility model provides a can rapid cooling can keep the thermoregulation electric kettle of settlement temperature for a long time again, overcome current electric kettle can not the rapid cooling and can not the heat retaining defect, can provide the warm boiling water that is suitable for to drink at any time, practiced thrift user's time promptly, practiced thrift the electric energy of boiling repeatedly again, avoided "water" the harm healthy to people "of thousand rolls simultaneously, satisfied the urgent demand in market, have obvious technological economic benefits.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of a temperature-regulating electric kettle in a first embodiment.

Fig. 2 is a functional schematic diagram of a heat conducting fin 63a and a heat insulating insert 611 of a temperature-adjusting electric kettle according to the first embodiment.

Fig. 3 is a schematic view of a bottom plate 31 of a kettle cover 30 of a temperature-regulating electric kettle in the first embodiment.

Fig. 4 is a schematic bottom view of a rotating fin 61a of a temperature-regulating electric kettle according to the first embodiment.

Fig. 5 is a schematic enlarged sectional view of a kettle lid 30 of a temperature-regulating electric kettle according to a second embodiment

Fig. 6 shows a temperature-regulating electric kettle

Fig. 7 is a schematic sectional view, enlarged view of a lid 30 of a temperature-regulating electric kettle in a third embodiment

Fig. 8 is a schematic sectional view of a lid 30 of a temperature-regulating electric kettle according to a fourth embodiment

Detailed Description

Example one

The present example is a temperature-regulating electric kettle, as shown in fig. 1, 2, 3 and 4, comprising a base 10, a kettle body 20 placed on the base, a kettle cover 30, an electric heating plate 40 placed in the kettle body, an electric control device 50 and a heat sink 60 placed in the kettle cover. The kettle body is movably arranged on the base, the bottom of the kettle body is provided with a power connector 22, the base is provided with a power socket 11, the power connector 22 and the power socket 11 can adopt the prior art, when the kettle body is arranged on the base, the power connector 22 can be conveniently inserted into the power socket 11 on the base to connect the power in the kettle body. The wall of the pot body 20 is of an interlayer structure, and the interlayer is vacuumized; the bottom plate 31 of the kettle cover 30 is made of heat insulating materials, and the opening of the kettle body is completely covered when the kettle is in operation; the electronic control device 50 includes a control circuit board 51, a control panel 52 and a temperature sensor 53, the control circuit board is provided with a microprocessor, and the heat dissipation device 60 includes a heat dissipation fin 61, a heat dissipation fan 62, a heat conduction element 63 and a driving device 64 for driving the heat dissipation fin. The driving means 64 is an electric screw means 641 for driving the heat radiating fins 61 or the heat conducting member 63 to be in contact with or separated from each other.

The inner container 21 of the sandwich structure of the wall of the pot body 20 is made of heat conducting material, and the upper end wall of the inner container is buckled with the bottom plate 31 at the bottom of the pot cover 30; the center of the bottom plate 31 of the pot lid 30 is provided with a support column 312.

The heat conducting element 63 is a plurality of arc-shaped heat conducting fins 63a, which are embedded in arc-shaped notches 311 at equal intervals on the periphery of the bottom plate 31 at the bottom of the kettle lid 30, as shown in fig. 3, and are in close contact with the upper end wall of the inner container 21 on the wall of the kettle body 20, the heat radiating fin 61 is a rotary fin 61a, which is in a partial disc shape, and is embedded with arc-shaped heat insulating inserts 611 at equal angles and equal radii with the heat conducting fins 63a at equal angles on the periphery thereof, and a circular hole 61a1 is formed in the center of the rotary fin 61a for movably sleeving the rotary fin on the supporting column 312, as shown in fig. 4, the rotary fin is driven by an electric screw rod device 641 to rotate around the supporting column 312, so that the heat insulating inserts 611 on the edge of the rotary fin and the heat conducting fins 63a of the bottom plate 31 are in contact with each other or separated from each other, as shown in fig. When water in the kettle is just boiled and needs to be cooled to a set temperature for taking, the electric screw rod device drives the rotary type fins 61a to rotate to the positions where the heat insulation insert 611 and the heat conducting fins 63a are completely staggered, the heat conducting parts of the bottom plates of the rotary type fins 61a and the heat conducting fins 63a are mutually overlapped and closely contacted, the kettle body inner container is communicated with the heat conducting channels of the heat radiating fins, meanwhile, the heat radiating fan 62 is started to operate, the heat of the heat radiating fins is taken away, and the electric water is in a heat radiating and cooling state. When the temperature of water in the kettle is reduced to a set value and heat preservation is needed, the electric screw rod device 641 drives the rotary fins 61a to rotate to the position where the heat insulation insert 611 and the heat conducting fins 63a coincide, the heat conducting channel between the kettle body liner and the heat radiating fins is cut off, and the electric kettle enters a heat insulation state.

The temperature sensor 53 is a thermocouple for converting the water temperature into an electric signal. The control panel 52 is provided with a water temperature display screen, a temperature adjusting button or knob for setting water temperature, a button for controlling power supply, a power supply indicator lamp and a timing button if necessary, and the control circuit board 51 is provided with a power supply circuit for supplying power to the electric heating plate 40, the heat radiation fan 62 and the driving device 64. When the temperature-regulating electric kettle works, the required heat preservation temperature of water in the kettle is set in the electric control device, the temperature sensor 53 sends an instruction to the control circuit board 51 according to the measured water temperature, and the following boiling-cooling-heat preservation working procedures are realized:

C. simultaneously or in a delayed way, the power supply circuit of the heat radiation fan 62 and the driving device 64 is switched on, the heat radiation fins 61 and the heat conduction element 63 are driven to be in mutual contact, and a forced cooling program is started;

D. when the water temperature is reduced to the set temperature, the power supply circuit of the heat radiation fan 62 is cut off, the power supply circuit of the driving device 64 is switched, the heat radiation fins 61 and the heat conduction element 63 are driven to be separated from each other, and a heat insulation and preservation procedure is carried out;

For the convenience of getting water, the thermoregulation electric kettle is further provided with a water getting pump assembly 70 in the kettle cover 30, the water getting pump assembly 70 comprises a water pump motor 71, a water pump 72, a water suction pipe 73 and a water outlet pipe 74, the water pump is a self-sucking pump with a suction range higher than the depth of the kettle body, and the self-sucking pump can use a centrifugal pump or a diaphragm pump or a plunger pump in the prior art.

Example two

Fig. 5 is an enlarged sectional view of a lid 30 of another temperature-regulating electric kettle, which is substantially similar to the first embodiment except that:

the heat dissipation fins 61 are movable fins 61b, the edges of the heat dissipation fins are provided with heat conduction lips 61b1, the movable fins 61b are movably mounted in the kettle lid 30 and can be driven by the driving device 64 to move along the guide rails 66, so that the heat conduction lips 61b1 can be inserted into or pulled out of a gap between the upper end of the kettle body 20 and the lower edge of the kettle lid 30, and the heat conduction between the movable fins 61b and the inner wall of the kettle body 20 can be communicated or cut off. When the heat conducting lip 61b1 is inserted into the gap between the upper end of the kettle body 20 and the lower edge of the lid 30, it is closely contacted with the upper end of the kettle body 20, and because the upper end of the kettle body and the inner wall of the kettle body are made of heat conducting material, the movable fin 61b forms a good heat conducting channel with the inner wall of the kettle body 20 through the heat conducting lip 61b1, so that the water in the kettle forms a good heat conducting channel, otherwise, a heat insulating channel is formed.

EXAMPLE III

As shown in fig. 6 and 7, the heat dissipating fins 61 of this embodiment are also movable fins 61b, which are movably mounted in the pot lid 30 and can move along the guide rails 66; the difference from the second example is mainly that:

the heat conducting element 63 is a cylindrical plate 63b, is cylindrical and fixed in the kettle body 20, the middle part and the lower part of the heat conducting element are immersed in water in the kettle, the upper part of the heat conducting element extends into the kettle cover, the driving device 64 drives the movable fin 61b to move, so that the edge of the movable fin is contacted with or separated from the cylindrical plate 63b, the contact surfaces of the movable fin and the cylindrical plate are mutually attached, and the fin and the cylindrical plate 63b are made of good heat conducting materials such as aluminum alloy and copper alloy. The end of the movable fin 61b is fixed with a heat preservation cover 67 for preventing heat radiation, the edge of the movable fin 61b is separated from the cylindrical plate 63b in a heat preservation state, and the heat preservation cover 67 covers the upper edge of the cylindrical plate 63b to prevent the cylindrical plate 63b from radiating heat to the air in the kettle cover.

The drive means 64 is an electromagnet 642 and the guide rail 66 is a ball guide 661, which can also be replaced by a slide guide.

Example four

This example is shown in fig. 8, and is basically similar to example three, except that:

the heat dissipation fin 61 of this example is a swing fin 61c, and is movably installed in the pot lid 30 by a hinge 65, and can be driven by a driving device 64 to swing around the hinge 65; the edge of the swing type fin 61c is provided with a heat conduction boss 61c 1; the heat conducting element 63 is a cylindrical plate 63b which is cylindrical and fixed in the kettle body 20, the middle part and the lower part of the heat conducting element are immersed in the water in the kettle, and the upper part of the heat conducting element extends into the kettle cover; the driving device 64 is used for driving the swinging fin 61c to swing, so that the heat conduction boss 61c1 and the cylindrical plate 63b are mutually contacted or separated, the contact surfaces of the swinging fin 61c and the cylindrical plate 63b are mutually attached, and the swinging fin 61c and the cylindrical plate 63b are made of good heat conduction materials; the driving device 64 in this example is an electromagnet 642.

The bottom plate 31 of the kettle cover 30 is movably provided with a heat insulation sliding plate 33 linked with the swing type fin 61c, the swing type fin 61c is fixed with a pulling rod 61c2, and the pulling rod pulls the heat insulation sliding plate 33 to cover or open the opening on the bottom plate 31. When the swinging fin 61c and the cylindrical panel 63b are separated from each other, the heat insulation sliding plate 33 covers the edge of the cylindrical panel 63b exposed on the bottom plate 31, so that the heat of the cylindrical panel 63b is prevented from being dissipated to the air on the bottom plate, and the kettle is in a heat preservation state.

The smaller electric kettle can be directly used for pouring water by the portable kettle without arranging a water taking pump. This version has a manual drain valve 32 in the lid 30.

Claims

1. The utility model provides an insulating pot adjusts temperature, includes base (10), arranges kettle body (20), pot lid (30) on the base in, arranges internal electric plate (40) and the electrically controlled device (50) of kettle in, its characterized in that: a bottom plate (31) made of heat insulating materials is arranged at the bottom of the kettle cover (30), the wall of the kettle body (20) is of an interlayer structure, and the interlayer is vacuumized; the electric control device (50) comprises a control circuit board (51), a control panel (52) and a temperature sensor (53); the temperature-regulating electric kettle further comprises a heat dissipation device (60), wherein the heat dissipation device (60) comprises heat dissipation fins (61), a heat dissipation fan (62), a heat conduction element (63) and a driving device (64) for driving the heat dissipation fins or the heat conduction element.

2. A temperature-regulated electric kettle as claimed in claim 1, wherein: the driving device (64) is an electromagnet (642) or an electric screw rod device (641) and is used for driving the heat radiating fins (61) or the heat conducting elements (63) to be mutually contacted or separated.

3. A temperature-regulated electric kettle as claimed in claim 1, wherein: the temperature sensor (53) is a thermocouple, the control panel (52) is provided with a water temperature display screen and a temperature adjusting button or knob for setting water temperature, and a power supply circuit for supplying power to the electric heating disc (40), the cooling fan (62) and the driving device (64) is arranged in the control circuit board (51); when the temperature-regulating electric kettle works, the required heat preservation temperature of water in the kettle is set in the electric control device, and the temperature sensor (53) sends an instruction to the control circuit board (51) according to the measured water temperature.

4. A temperature-regulated electric kettle as claimed in claim 1, wherein: the inner container (21) of the sandwich structure of the wall of the kettle body (20) is made of heat conducting materials, and the upper end wall of the inner container is buckled with the bottom plate (31) at the bottom of the kettle cover (30); a support column (312) is arranged at the center of the bottom plate (31) of the kettle cover (30);

the heat conducting elements (63) are a plurality of arc-shaped heat conducting sheets (63a) and are embedded in arc-shaped notches (311) at equal intervals on the periphery of the bottom plate (31) at the bottom of the kettle cover (30) and are in close contact with the upper end wall of the inner container (21) on the wall of the kettle body (20), the heat radiating fins (61) are rotary fins (61a), arc-shaped heat insulating inserts (611) which are at equal angles and equal radiuses to the heat conducting sheets (63a) are embedded on the periphery of the heat radiating fins, a circular hole (61a1) is formed in the circle center of each rotary fin (61a) and used for movably sleeving the rotary fin on the supporting column (312), and the rotary fin is driven to rotate around the supporting column (312) by the driving device (64) so that the heat insulating inserts (611) on the edge of the rotary fin are in contact with or separated.

5. A temperature-regulated electric kettle as claimed in claim 1, wherein: the heat dissipation fins (61) are movable fins (61b), heat conduction lips (61b1) are arranged on the edges of the heat dissipation fins, the movable fins (61b) are movably mounted in the kettle cover (30) and can be driven to move along the guide rails (66) by the driving device (64), so that the heat conduction lips (61b1) of the movable fins are inserted into or pulled out of a gap between the upper end of the kettle body (20) and the lower edge of the kettle cover (30), and heat conduction between the movable fins (61b) and the inner wall of the kettle body (20) is achieved or cut off.

6. A temperature-regulated electric kettle as claimed in claim 1, wherein: the heat radiating fins (61) are movable fins (61b), are movably arranged in the kettle cover (30), and can move along the guide rails (66); the heat conducting element (63) is a cylindrical plate (63b) which is cylindrical and fixed in the kettle body (20), the middle part and the lower part of the heat conducting element are immersed in water in the kettle, the upper part of the heat conducting element extends into the kettle cover, the driving device (64) drives the movable fin (61b) to move, so that the edge of the movable fin is contacted with or separated from the cylindrical plate (63b), the contact surfaces of the movable fin and the cylindrical plate are in a mutually attached shape, and the fin (61) and the cylindrical plate (63b) are made of good heat conducting materials; the end of the movable fin (61b) is fixed with a heat preservation cover (67) for preventing heat radiation.

7. A temperature-regulated electric kettle as claimed in claim 1, wherein: the heat radiating fins (61) are swing fins (61c), are movably arranged in the kettle cover (30) by hinges (65), and can be driven to swing around the hinges (65) by a driving device (64); the edge of the swing type fin (61c) is provided with a heat conduction boss (61c 1); the heat conducting element (63) is a cylindrical plate (63b) which is cylindrical and fixed in the kettle body (20), the middle part and the lower part of the heat conducting element are immersed in water in the kettle, and the upper part of the heat conducting element extends into the kettle cover; the driving device (64) is used for driving the swing type fin (61c) to swing, so that the heat conduction boss (61c1) and the column panel (63b) are mutually contacted or separated, the contact surfaces of the heat conduction boss and the column panel are mutually attached, and the swing type fin (61c) and the column panel (63b) are made of good heat conduction materials;

a heat insulation sliding plate (33) linked with the swing type fin (61c) is movably arranged on a bottom plate (31) of the kettle cover (30), a pulling rod (61c2) is fixed on the swing type fin (61c), and the heat insulation sliding plate (33) is pulled by the pulling rod to cover or open the opening on the bottom plate (31).

8. A temperature-regulated electric kettle as claimed in claim 1, wherein: the temperature-adjusting electric kettle further comprises a water taking pump assembly (70) or a manual water drain valve (32) arranged in the kettle cover (30), wherein the water taking pump assembly (70) comprises a water pump motor (71), a water pump (72), a water suction pipe (73) and a water outlet pipe (74), the water pump is a centrifugal pump or a diaphragm pump or a plunger pump, and the suction range of the water pump is higher than that of a self-sucking pump of the kettle body depth.

9. A temperature-regulated electric kettle as claimed in claim 1, wherein: the electric control device (50) further comprises a power module (54), the power module comprises a rechargeable battery (541) and a charger, and the rechargeable battery (541) is used for supplying power to the electric heating disc to heat water in the kettle in a supplementing manner or supplying power to the cooling fan to forcibly cool the water in an accelerating manner when the electric kettle is used in a moving manner.