CN215686796U

CN215686796U - Electric heating kettle

Info

Publication number: CN215686796U
Application number: CN202122105730.6U
Authority: CN
Inventors: 张天文; 张智立; 何烈
Original assignee: Huizhou Kefeida Technology Co ltd
Current assignee: Huizhou Kefeida Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-01
Anticipated expiration: 2031-09-02

Abstract

The utility model provides an electric kettle, belongs to the household electrical appliances field for solve the inconvenient washing of current electric kettle and the problem that can not automatic power off after water is boiled, electric kettle includes: base and the kettle body of placing on the base, the kettle body includes: a kettle body and a kettle cover; the bottom of the kettle body is provided with a heat conduction concave cavity; the base includes: the casing, the response subassembly floats, heating element, the temperature-sensing unit, radiator fan and the control unit, heating element sets up at the casing top, the response subassembly sets up in heating element's accommodation space department, the temperature-sensing unit sets up in the response subassembly that floats, radiator fan sets up in the heating element bottom, the control unit sets up in the casing and is connected with heating element, the temperature-sensing unit, radiator fan electricity respectively, a plurality of louvres or heat dissipation grid have been seted up on the casing. The kettle has the beneficial effects that the kettle body is not provided with electronic elements, the cleaning is convenient, the base is provided with the temperature sensing unit, and the temperature of water in the kettle body can be detected, so that the automatic control function can be achieved.

Description

Electric heating kettle

Technical Field

The utility model belongs to the field of household appliances, and particularly relates to an electric kettle.

Background

Most of the existing conventional electric kettles are provided with a heater, a temperature control element, an internal lead, a switch and other elements in the kettle body, and when the electric kettle is used, the kettle body works in an electrified way, and meanwhile, a base is matched, and a power supply is conducted between the base and the kettle through a coupler. Due to the electronic components inside, cleaning is inconvenient.

In the other type, a metal kettle body is adopted as a kettle body and is directly placed on an electric ceramic furnace (or a battery furnace) to boil water, but the automatic control cannot be achieved, the power supply is not powered off after the water is boiled, and the water can be always boiled before manual intervention. And the temperature on the electric ceramic furnace is very high, and even if the electric ceramic furnace stops working for a long time, the electric ceramic furnace also can keep a relatively high temperature, so that a user can be easily scalded by mistake.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an electric kettle.

The utility model adopts the following technical scheme:

an electric kettle comprising: base and the kettle body of placing on the base, the kettle body includes: the kettle comprises a kettle body and a kettle cover arranged on the kettle body;

a heat conduction concave cavity is arranged at the bottom of the kettle body;

the base includes: the floating induction type heating device comprises a shell, a floating induction component, a heating component, a temperature induction unit, a cooling fan and a control unit, wherein the heating component is arranged at the top of the shell, the top of the shell is provided with an opening for exposing the heating component, a containing space for placing the floating induction component is arranged on the heating component, the floating induction component is arranged at the containing space of the heating component, the temperature induction unit is arranged in the floating induction component, the cooling fan is arranged at the bottom of the heating component, the control unit is arranged in the shell and is respectively electrically connected with the heating component, the temperature induction unit and the cooling fan, and a plurality of cooling holes or cooling grids are arranged on the shell.

Optionally, the heating assembly comprises: the heat transfer plate support is arranged in the shell, the heat transfer plate is arranged at the top of the heat transfer plate support and is exposed to the outside in a matching mode with an opening of the shell, an opening for installing a floating induction assembly is formed in the heat transfer plate, the heating diaphragm is attached to the bottom of the heat transfer plate, and the heating diaphragm is electrically connected with the control unit.

Optionally, the heat transfer plate is thin plate-like.

Optionally, the heat transfer plate is concave to fit the bottom of the kettle body.

Optionally, the floating induction assembly comprises: the heat conduction floating block support is arranged at an opening of the heat transfer plate, the heat conduction floating block is arranged in the floating block support in a sliding mode, the spring is arranged between the heat conduction floating block and the floating block support, the spring enables the heat conduction floating block to be abutted against the heat conduction floating block to enable the heat conduction floating block to protrude out of the top of the floating block support, the limit switch is arranged on one side of the floating block support, and the side wall of the heat conduction floating block is provided with an extending portion which is overlapped on the limit switch.

Optionally, the temperature sensing unit is arranged at the top end inside the heat-conducting floating block, and the top end of the heat-conducting floating block is matched with the heat-conducting concave cavity at the bottom of the kettle body.

Optionally, the control unit is electrically connected to the temperature sensing unit, the limit switch, the heating diaphragm, and the cooling fan, respectively.

Optionally, a fuse and a temperature control switch are further arranged in the base, the temperature control switch is attached to the bottom of the heating membrane, and the fuse and the temperature control switch are respectively electrically connected with the control unit.

The utility model has the advantages that the kettle body does not have electronic elements, is convenient to clean, does not need any electronic elements, has simple structure and low manufacturing cost, the base is provided with the temperature sensing unit, and can detect the temperature of water in the kettle body, thereby achieving the automatic control function, controlling the temperature of boiled water according to the requirement of a user, and the floating sensing component can start the heat radiation fan after sensing that the kettle body leaves the base, and cooling the heat transfer plate to be below the safe temperature in a very short time, thereby preventing scald.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the kettle body of the present invention;

FIG. 3 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a schematic view of the base of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 3, an electric hot water kettle comprises: a base 1 and a pot body 2 arranged on the base 1;

the kettle body 2 comprises: the kettle comprises a kettle body 21 and a kettle cover 22 arranged on the kettle body 21, wherein a heat conduction cavity 23 is arranged at the bottom of the kettle body 21;

the base 1 includes: casing 11, unsteady response subassembly 12, heating element 13, temperature-sensing unit 14, radiator fan 15 and the control unit 16, heating element 13 sets up at casing 11 top, casing 11 top has the opening that lets heating element 13 expose, set up the accommodation space who places unsteady response subassembly 12 on the heating element 13, unsteady response subassembly 12 sets up the accommodation space department at heating element 13, temperature-sensing unit 14 sets up in unsteady response subassembly 12, radiator fan 15 sets up in heating element 13 bottom, the control unit 16 sets up in casing 11 and is connected with heating element 13, temperature-sensing unit 14, radiator fan 15 electricity respectively, a plurality of louvres or radiator grid have been seted up on casing 11.

As shown in fig. 1, 3-5, the heating assembly 13 includes: the heat transfer plate support 133 is arranged in the shell 11, the heat transfer plate 131 is arranged at the top of the heat transfer plate support 133 and is matched with an opening of the shell 11 to be exposed to the outside, an opening for installing the floating sensing assembly 12 is arranged on the heat transfer plate 131, the heating diaphragm 132 is attached to the bottom of the heat transfer plate 131, and the heating diaphragm 132 is electrically connected with the control unit 16. The heat transfer plate 131 is a thin plate made of a material having a good thermal conductivity, and the weight and thickness thereof are reduced as much as possible to reduce the storage of heat energy therein, so that the temperature can be reduced to a safe temperature range in a very short time. In order to better fit with the bottom of the kettle body 21, the heat transfer plate 131 is concave to fit the bottom of the kettle body 21.

As shown in fig. 1, 3-5, the floating induction assembly 12 includes: the heat conduction slider 121, the slider support 122, the spring 123 and the limit switch 124, the slider support 122 is arranged at an opening of the heat transfer plate 131, the heat conduction slider 121 is arranged in the slider support 122 in a sliding manner, the spring 123 is arranged between the heat conduction slider 121 and the slider support 122, the spring 123 abuts against the heat conduction slider 121 to enable the heat conduction slider 121 to protrude from the top of the slider support 122, the limit switch 124 is arranged on one side of the slider support 122, and an extending portion 125 is arranged on the side wall of the heat conduction slider 121 and is lapped on the limit switch 124.

As shown in fig. 3 to 5, the temperature sensing unit 14 is disposed at the top end inside the heat conductive floating block 121, the top end of the heat conductive floating block 121 is matched with the heat conductive cavity 23 at the bottom of the kettle body 21, the temperature at the bottom of the kettle body 21 is sensed through heat conduction, because the heat conductive floating block 121 protrudes out of the heat transfer plate 131 and is located in the heat conductive cavity 23, the influence of the heating diaphragm 132 is small, the main heat source is the heat conducted by heating the water inside the kettle body 21, and thus the water temperature can be sensed accurately. The temperature sensing unit 14 is a temperature sensor.

The control unit 16 is electrically connected to the temperature sensing unit 14, the limit switch 124, the heating diaphragm 132, and the cooling fan 15, respectively, and is configured to control normal operation of each component, and the control unit 16 may be a single chip microcomputer.

As shown in fig. 3-5, a fuse 17 and a temperature controlled switch 18 are further disposed in the base 1, the temperature controlled switch 18 is attached to the bottom of the heating membrane 132, and the fuse 17 and the temperature controlled switch 18 are respectively electrically connected to the control unit 16 and are respectively used for overload protection and overheat protection.

When the kettle body 2 is placed on the heat transfer plate 131, the kettle body 2 presses down the heat conduction floating block 121, the heat conduction floating block 121 presses down to close the limit switch 124, an electric signal is sent to the control unit 16 to enable the heating diaphragm 132 to start heating, and the heat dissipation fan 15 does not work; when the temperature sensing unit 14 senses that the temperature of the kettle body 21 reaches the set temperature, the control unit 16 turns off the heating diaphragm 132 to stop heating; when the kettle body 2 is lifted and the heat-conducting floating block 121 moves upwards to be separated from the limit switch 124, the control unit 16 controls the heat-radiating fan 15 to work to quickly radiate heat, so that the temperature is reduced to a safe temperature range.

Claims

1. An electric kettle comprising: base (1) and the kettle body (2) of placing on base (1), the kettle body (2) includes: a kettle body (21) and a kettle cover (22) arranged on the kettle body (21);

the kettle is characterized in that a heat conduction cavity (23) is arranged at the bottom of the kettle body (21);

the base (1) comprises: a shell (11), a floating induction component (12), a heating component (13), a temperature induction unit (14), a heat radiation fan (15) and a control unit (16), the heating assembly (13) is arranged at the top of the shell (11), the top of the shell (11) is provided with an opening for exposing the heating assembly (13), the heating component (13) is provided with an accommodating space for placing the floating induction component (12), the floating induction component (12) is arranged at the accommodating space of the heating component (13), the temperature sensing unit (14) is arranged in the floating sensing component (12), the cooling fan (15) is arranged at the bottom of the heating assembly (13), the control unit (16) is arranged in the shell (11) and is respectively electrically connected with the heating assembly (13), the temperature sensing unit (14) and the cooling fan (15), and a plurality of cooling holes or cooling grids are formed in the shell (11).

2. The electric kettle according to claim 1, characterized in that the heating assembly (13) comprises: the heat transfer plate support (133) is arranged in the shell (11), the heat transfer plate (131) is arranged at the top of the heat transfer plate support (133) and is exposed to the outside in a matching mode with an opening of the shell (11), an opening for installing the floating induction assembly (12) is formed in the heat transfer plate (131), the heating diaphragm (132) is attached to the bottom of the heat transfer plate (131), and the heating diaphragm (132) is electrically connected with the control unit (16).

3. The electric kettle according to claim 2, wherein the heat transfer plate (131) is thin plate-shaped.

4. The electric kettle as claimed in claim 2, wherein said heat transfer plate (131) is concave in shape to fit the bottom of the kettle body (21).

5. The electric kettle according to claim 2, characterized in that the floating induction assembly (12) comprises: the heat conduction floating block comprises a heat conduction floating block (121), a floating block support (122), a spring (123) and a limit switch (124), wherein the floating block support (122) is arranged at an opening of a heat transfer plate (131), the heat conduction floating block (121) is arranged in the floating block support (122) in a sliding mode, the spring (123) is arranged between the heat conduction floating block (121) and the floating block support (122), the spring (123) enables the heat conduction floating block (121) to be propped against the heat conduction floating block (121) to enable the heat conduction floating block (121) to protrude from the top of the floating block support (122), the limit switch (124) is arranged on one side of the floating block support (122), and an extending portion (125) is arranged on the side wall of the heat conduction floating block (121) and lapped on the limit switch (124).

6. The electric kettle according to claim 5, characterized in that the temperature sensing unit (14) is arranged at the top end inside the heat-conducting slider (121), and the top end of the heat-conducting slider (121) is matched with the heat-conducting concave cavity (23) at the bottom of the kettle body (21).

7. The electric kettle as claimed in claim 5, wherein the control unit (16) is electrically connected with the temperature sensing unit (14), the limit switch (124), the heating diaphragm (132) and the heat dissipation fan (15), respectively.

8. The electric kettle as claimed in claim 2, wherein a fuse (17) and a temperature controlled switch (18) are further arranged in the base (1), the temperature controlled switch (18) is attached to the bottom of the heating membrane (132), and the fuse (17) and the temperature controlled switch (18) are respectively electrically connected with the control unit (16).