WO2019214251A1

WO2019214251A1 - Induction heating kettle having kettle base protection device

Info

Publication number: WO2019214251A1
Application number: PCT/CN2018/123496
Authority: WO
Inventors: 陈胜强; 黄家厚; 唐宇前; 叶立; 邓炎
Original assignee: 佛山市顺德区米创智能科技有限公司
Priority date: 2018-05-08
Filing date: 2018-12-25
Publication date: 2019-11-14
Also published as: CN209003578U

Abstract

An induction heating kettle having a kettle base protection device, the kettle comprising a main container body (1) made of glass and an induction heating layer provided at a base portion of the main container body (1) and operating in cooperation with an induction heating base. The kettle base protection device (2) is additionally provided at the base portion of the main container body (1), such that a sealed thermal insulation cavity (5) is formed between a bottom surface of the main container body (1) and the kettle base protection device (2), thereby preventing excessive heat from remaining at a panel of the base and causing damage to the panel of the base, and providing thermal insulation to the interior of the kettle. A side wall of the kettle base protection device (2) is fitted to a side wall of the main container body (1) in a sealed manner, such that the thermal insulation cavity (5) is sealed, thereby preventing water and other impurities from entering the thermal insulation cavity (5) and affecting the thermal insulation effect.

Description

Electromagnetic heating pot with pot bottom protection device

Technical field

The present application relates to the field of electromagnetic heating technology, and in particular, to a bottom protection device for an electromagnetic heating pot.

Background technique

Glass pots are easy to shape and easy to clean, and are favored by their crystal-clear appearance. Electromagnetic heating is the most common heating method in people's daily life because of its clean and fast. In the prior art, it is usually in the glass pot. The bottom of the bottom is provided with an electromagnetic heating layer that cooperates with the electromagnetic heating seat, and the liquid in the kettle body is heated by electromagnetic induction of the electromagnetic heating layer and the coil in the base, which directly places the glass pot body on the base, due to When heating, a large amount of heat is generated at the bottom of the glass kettle body. After the heating is completed, the heat is concentrated on the base panel to damage the base panel, and the heat loss at the bottom of the kettle body is also unfavorable for the heat preservation inside the kettle body.

Chinese patent CN201720325424.4 provides a novel thermal insulation type electromagnetic kettle, comprising a kettle body, the kettle body comprises a liner, an electromagnetic heating plate is fixed on the bottom of the inner tank, and a bottom cover and a bottom are arranged under the electromagnetic heating plate. The thermal insulation zone is formed between the cover and the electromagnetic heating plate, and the electromagnetic hot water kettle of the structure is adopted, and the electromagnetic heating plate, the heat insulation zone and the bottom cover are arranged from the top to the bottom of the inner liner, even after the heating is completed. The bottom of the liner is provided with a thermal insulation zone, so the heat of the inner liner is not quickly lost from the bottom of the inner liner, and there is a bottom cover under the thermal insulation section to further enhance the heat preservation effect, and the side wall of the inner liner The heat preservation can be realized by the conventional double-layer structure, so that the electric kettle which solves the problem of the bottom insulation can effectively improve the overall heat preservation function. The above patent does not mention an embodiment in which a heat insulating section is provided at the bottom of a vessel made of glass, and since the heat insulating section is not sealed, it is easy to have water or other impurities entering the heat insulating section to affect the heat insulating effect.

Summary of the invention

In order to solve the above problems, the present application provides an electromagnetic heating kettle having a bottom protection device, wherein a bottom protection device is disposed at the bottom of the vessel body, and a sealing surface is formed between the bottom surface of the vessel body and the bottom protection device. The heat insulating cavity makes the heat of the base of the base not concentrated after the heating is completed, and is favorable for the heat preservation in the kettle body, and the specific contents are as follows:

An electromagnetic heating pot having a pot bottom protection device comprises a vessel body made of glass, the bottom of the vessel body is provided with an electromagnetic heating layer cooperating with an electromagnetic heating seat, and a bottom of the vessel body is further provided with a bottom protection The device has a sealed heat insulating cavity formed between the bottom surface of the vessel body and the bottom protection device.

Preferably, the insulating cavity is a vacuum cavity; and functions to protect the heat and heat.

Preferably, the heat insulating cavity is filled with a heat insulating material, and the function thereof is also heat insulation, heat insulation, and heat loss reduction.

Preferably, the insulating chamber is filled with air, and the bottom of the pot bottom protection device is provided with a one-way valve, and the air in the insulating chamber can be expanded to a certain pressure value through the one-way valve External release, its role is to keep warm, heat insulation, reduce heat loss.

Preferably, the bottom of the bottom protection device is provided with a recessed portion, the check valve is disposed at a center of the recessed portion, and a lower surface of the valve body of the check valve and the bottom protection device The outer surface of the bottom portion has a certain distance, so that when the air in the heat insulating chamber is thermally expanded, the pressure in the heat insulating chamber is greater than the external pressure, causing the valve core of the check valve to open, and when the pressure inside and outside the heat insulating chamber is balanced, The check valve spool is closed.

Preferably, the opening and closing of the one-way valve is achieved by deformation of the elastic valve core material.

Preferably, the bottom inner surface of the bottom protection device is provided with a plurality of protrusions, the protrusions contacting the bottom of the vessel body to support the vessel body, the bottom of the vessel body and the bottom protection device The space between the bottom inner surfaces constitutes the insulated chamber.

Preferably, the protrusion comprises a first annular protrusion disposed at an edge of the inner surface of the bottom of the bottom protection device and a second annular protrusion disposed within a certain radius of the center of the bottom surface of the bottom of the bottom protection device.

Preferably, the bottom outer edge of the bottom protection device is provided with a third annular protrusion, and the inner edge of the third annular protrusion is provided with an annular groove. The third annular protrusion and the annular groove function to prevent the bottom protection device and the electromagnetic heating of the bottom surface of the bottom protection device from being sucked when there is water on the electromagnetic heating base. The base is difficult to separate.

Preferably, the side wall of the bottom protection device is in sealing engagement with the side wall of the vessel body, and the sealing manner is sealed by an elastic material or an adhesive seal.

The beneficial effects of the application are:

The electromagnetic heating pot having the above-mentioned pot bottom protection device is provided with a pot bottom protection device at the bottom of the vessel body, and a sealed heat insulation chamber is formed between the bottom surface of the vessel body and the pot bottom protection device, so that the heat is completed after the heating is completed. It does not cause a large amount of damage on the base panel on the panel of the base, and is beneficial to the heat preservation in the kettle body; since the side wall of the pot bottom protection device is sealingly engaged with the side wall of the vessel body, the heat insulation chamber is It is a sealed insulated chamber, so there is no water and other impurities entering the insulation chamber to affect the heat insulation effect.

DRAWINGS

1 is a schematic diagram of Embodiment 1 of the present application;

2 is a schematic diagram of Embodiment 2 of the present application;

3 is a schematic diagram of Embodiment 3 of the present application;

FIG. 4 is a schematic diagram of Embodiment 4 of the present application.

detailed description

Embodiment 1:

An electromagnetic heating pot having a pot bottom protection device as shown in FIG. 1 includes a vessel body 1 made of glass, the vessel body including a bottom portion and a side wall, and a bottom of the vessel body is provided with an electromagnetic heating base The functioning electromagnetic heating layer (not shown) is further provided with a bottom protection device 2 at the bottom of the vessel body, and the bottom inner surface of the bottom protection device is provided with a convex structure 3, and the convex structure 3 Contacting the bottom of the vessel body for supporting the vessel body 1. The protrusion structure 3 may be provided in plurality, and the protrusion structure 3 may be an annular protrusion or a point protrusion, or In any other shape, in the embodiment, the protruding structure 3 includes a first annular protrusion disposed on an edge of the bottom inner surface of the bottom protection device 2 and a distance disposed on the inner surface of the bottom of the bottom protection device 2 A second annular projection in a certain radius of the center thereof, the space between the bottom of the vessel body 1 and the bottom inner surface of the pot bottom protection device 2 constitutes a heat insulating chamber 5. A third annular protrusion 6 is disposed at an edge of the bottom outer surface of the bottom protection device 2, and an annular groove 7 is disposed at an inner edge of the third annular protrusion 6, the third annular protrusion 6 and the ring The function of the groove 7 is that when there is water on the electromagnetic heating base, the bottom outer surface of the bottom protection device does not cause the bottom protection device to be separated from the electromagnetic heating base due to suction. Some drain ports may be provided on the third annular projection 6, so that water in the region where the area of the third annular projection 6 is located is easily discharged.

The side wall of the pot bottom protection device 2 is sealingly engaged with the side wall of the vessel body 1. The sealing fit can be various, preferably, by sealing with an elastic material or directly by gluing, in the present embodiment. An embodiment of sealing by an elastic material is provided in which a first groove 8 is provided on a side wall of the pot bottom protection device, and a second groove 9 is provided on a side wall of the vessel body, A sealing ring 10 is provided between a recess 8 and the second recess 9, which seals the insulating chamber 5. In the present embodiment, the heat insulating chamber 5 is a vacuum chamber, which functions as a heat insulating effect of the kettle body and an electromagnetic heating base. The sealing ring 10 is an elastic material, such as rubber or silica gel.

Embodiment 2:

This embodiment describes only differences from the above embodiment. In the present embodiment, as shown in FIG. 2, the heat insulating chamber 11 is filled with a heat insulating material 11 which is not limited to a certain type, and the heat insulating material 11 may be a powder or a sheet. Or for the thermal insulation board, its function is also to heat insulation, heat insulation, and slow heat loss.

Embodiment 3:

This embodiment describes only differences from the above embodiment. As shown in FIG. 3, the insulating chamber 5 is filled with air, and a recess portion 12 is disposed at the center of the bottom of the pot bottom protection device 2, and a check valve 13 is disposed at the center of the recess portion. In this embodiment, the check valve 13 is a duckbill valve, and a lower surface of the duckbill valve spool has a certain distance from a bottom outer surface of the bottom protection device 2, and the duckbill valve includes a side wall and The spool is such that when the air in the insulated chamber 5 is thermally expanded, the pressure in the insulated chamber 5 is greater than the pressure outside the insulating chamber, causing the spool of the check valve to open, releasing the pressure, and the pressure inside and outside the insulating chamber 5 After balancing, the check valve spool is closed. A third groove 14 is disposed on an outer surface of the side wall of the duckbill valve, the third groove 14 is preferably an annular groove, an annular insertion portion 15 is disposed on the recess portion 12, and the duckbill valve is The elastic material, the annular insertion portion 15 of the recess 12 is inserted into the third groove 14, so that the bottom protection device 2 is sealed with the duckbill valve, and when the air in the heat insulation chamber 5 is thermally expanded, due to the duck The elasticity of the mouth valve itself causes the spool to move downward and open the spool to release the pressure. When the pressure inside and outside the insulated chamber 5 is balanced, the check valve spool is closed and restored to the original state, preventing external dust and other impurities from entering the state. Inside the insulated chamber 5.

Embodiment 4:

This embodiment describes only differences from the above embodiment. As shown in FIG. 4, the one-way valve includes an umbrella body and a support portion, and a fourth groove 16 is disposed on the support portion. Preferably, the fourth groove 16 is an annular groove, and the bottom of the pot The recessed portion 12 of the protection device is inserted into the fourth recess 16 such that the insulated chamber 5 is a sealed cavity; the lower surface of the umbrella body has a certain outer surface with the bottom surface of the bottom protection device 2 The umbrella body includes a sealing plane 17 and a valve port 18 is provided at the bottom of the pot bottom protection device 2, when the pressure in the insulating chamber 5 is equal to the pressure outside the insulating chamber 5, The sealing plane 17 of the one-way valve umbrella body is engaged with the valve port 18 for sealing the valve port 18, so that the heat insulating chamber 5 is a sealed cavity, and the pressure in the heat insulating chamber 5 is greater than the gap. When the pressure is outside the thermal chamber 5, the sealing plane 17 of the one-way valve umbrella body is spaced a certain distance from the valve port 18 so that pressure can be released from the valve port 18.

The embodiment of a wireless charging and heating base provided by the present application is described in detail above. The principles and implementations of the present application are set forth in the Detailed Description of the Invention. The description of the above embodiments is only for understanding the core idea of the present application. It should be noted that those skilled in the art can make several improvements and modifications to the present application without departing from the principles of the present application. These modifications and modifications are also within the scope of the claims of the present application. .

Claims

An electromagnetic heating pot having a pot bottom protection device comprises a vessel body made of glass, and the bottom of the vessel body is provided with an electromagnetic heating layer cooperating with the electromagnetic heating seat, wherein the bottom of the vessel body is further arranged There is a pot bottom protection device, and a sealed insulated chamber is formed between the bottom surface of the vessel body and the pot bottom protection device.
The electromagnetic heating pot of claim 1 wherein said insulated chamber is a vacuum chamber.
The electromagnetic heating pot according to claim 1, wherein said heat insulating chamber is filled with a heat insulating material.
The electromagnetic heating pot according to claim 1, wherein the heat insulating chamber is filled with air, and the bottom of the pot bottom protecting device is provided with a check valve, and the air in the heat insulating chamber is expanded to a certain extent. The pressure value can be released to the outside through the one-way valve.
The electromagnetic heating pot according to claim 4, wherein a bottom portion of the bottom of the pot bottom protecting device is provided with a recessed portion, the one-way valve is disposed at a center of the recessed portion, and the valve of the one-way valve The lower surface of the core is at a distance from the outer surface of the bottom of the pot bottom protector.
The electromagnetic heating kettle according to claim 5, wherein the opening and closing of the one-way valve is achieved by deformation of the elastic valve core material.
The electromagnetic heating pot according to any one of claims 1 to 6, wherein the bottom inner surface of the bottom protection device is provided with a plurality of protrusions, and the protrusions are in contact with the bottom of the vessel body. The vessel body, the space between the bottom of the vessel body and the bottom inner surface of the pot bottom protector constitutes the insulated chamber.
The electromagnetic heating pot according to claim 7, wherein said protrusion comprises a first annular projection disposed at an edge of the bottom inner surface of said bottom protection device and an inner surface of said bottom protection device bottom portion A second annular projection within a certain radius of the center.
The electromagnetic heating pot according to claim 8, wherein a bottom annular outer edge of the bottom protection device is provided with a third annular protrusion, and an inner edge of the third annular protrusion is provided with an annular groove.
The electromagnetic heating kettle according to claim 9, wherein the side wall of the pot bottom protection device is in sealing engagement with the side wall of the vessel body, and the sealing manner is sealed by an elastic material or an adhesive seal.