WO2011069290A1

WO2011069290A1 - Electric cooking stove with multiple heating modes

Info

Publication number: WO2011069290A1
Application number: PCT/CN2009/075452
Authority: WO
Inventors: 冼茂忠
Original assignee: Xian Maozhong
Priority date: 2009-12-10
Filing date: 2009-12-10
Publication date: 2011-06-16

Abstract

An electric cooking stove (5) with multiple heating modes is provided, which includes a stove body and several heat generating discs integrated with the stove body. The heat generating discs include at least two heat generating structures, namely an electromagnetic induction heating structure (1, 3) and a heat-generating-pipe heating structure(2), and include at least two panel structures which are a flat-plane panel (10) and a curved concave panel (30). The heat generating structures and the panel structures are combined into different heating structures. The cost of production can be reduced because of replacing a gas cooking stove by an electric cooking stove and replacing several cooking stoves by one cooking stove.

Description

Instruction manual

Title of Invention: A stove with multiple heating methods

[1] Technical field

[2] The present invention relates to the field of household electric heating stoves, and more particularly to a stove having various heating modes

[3] Background Art

[4] At present, the electric heating type stoves are mainly used in the electric heating type and the electromagnetic type. Generally, a single electric heating method is used, and the single-burner and double-burner two structures are generally used. These structures are relatively simple and are not suitable for use in large European kitchens. Induction cookers generally use flat ceramics as the support panel. The use of the cookware is limited to flat-bottomed pans. It is not suitable for the cooking habits of the Asian countries that use the round bottom large wok for fiery cooking. Another drawback of induction cookers is the heating of pots that cannot be electromagnetically induced, such as ceramics. On a double-burner stove, the power of the burner is fixed, or it is adjusted within a fixed range, and the need for cooking with more power is not sufficient. These shortcomings have greatly limited the use of electric heating stoves in ordinary households. Electrothermal heating appliances can only be used as auxiliary heating, or used in specific fields, such as hot pots, etc. In addition, they cannot be used in different countries around the world. Cooking style and needs.

[5] Summary of the invention

[6] The technical problem to be solved by the present invention is to overcome the drawbacks of the prior art, and to provide an electric heating type stove having various heating modes, which can be used as a main household stove and is widely used in the world.

[7] The present invention achieves the above object by the following technical contents.

[8] The present invention is directed to a stove having a plurality of heating modes, comprising a furnace body and a plurality of heating plates integrally disposed on a furnace body, the improved structure wherein the heating plate comprises at least electromagnetic induction heat and hair The heat pipe heats two kinds of heat-generating structures, and at least includes two panel structures of a flat panel and a concave arc panel, and the heat-generating structure and the panel structure combine to form different heating structures. The stove adopts two kinds of electric heating methods, wherein the electromagnetic induction heating structure mainly performs electromagnetic induction to generate eddy currents for the magnetic conductive cookware, such as metal cookware, and heats the food, and has the characteristics of safety and sanitation. The heating tube heating structure is mainly for heating non-magnetic ceramics, aluminum and other pots, and has the characteristics of convenient heating. Peer, for round bottom The wok is not heated on the induction cooker. This scheme uses a concave arc panel to suit the cooking habits of Asian family cooking.

A more specific structure is that the above-mentioned heating plate comprises at least a flat panel combined with an electromagnetic induction heating structure, the flat panel is combined with the heat generating tube, and the concave arc panel is combined with the electromagnetic induction heating structure to form three heating structures.

In the heating structure in which the flat panel is combined with the electromagnetic induction heating structure, the metal turns are arranged in a plane between the flat heating coil and the flat panel. In the heating structure in which the concave circular arc panel is combined with the electromagnetic induction heating structure, the metal wire turns are arranged in a funnel shape between the circular arc-shaped concave heating wire disk and the concave circular surface plate. In the heating structure in which the flat panel is combined with the heating of the heating tube, the heating element is in close contact with the lower side of the flat panel. To reduce the loss of heat radiation, at least one or multiple heat reflecting structures are disposed under the heating element.

The reflective structure also avoids damage to other structures inside the cooktop caused by high temperature heat pipe structures, such as high temperature effects on the structure of the board. The specific heat reflective structure includes one or more of a reflective metal disk or a heat insulating basin or a metal reflector. The optimal structure is that the heat reflecting structure comprises a reflective metal disk covering the outside of the heating element and pressing the heating element, a heat insulating basin covering the reflective metal disk, and a triple structure of the metal reflector disposed directly below the heat insulating basin. And a spring buffer mechanism is provided between the heat insulating basin and the metal reflector. For convenience of use, the heating plate can be combined with the electromagnetic induction heating structure only by the flat panel, the flat panel is combined with the heating tube, and the concave arc panel and the electromagnetic induction heating structure are combined with three heating structures, and the three heating structure panels are Round or square. In order to avoid the high temperature danger caused by the heating structure of the heat pipe, the above three heating structures are arranged in a 'good' shape, and a heating structure in which the flat panel and the heat generating tube are combined with heat is disposed in the middle upper portion; a control panel is provided between the three panels The control circuit is installed inside the furnace body to avoid the danger of manual operation of the heating structure of the heat pipe across the high temperature.

The present invention also provides a power modulation circuit for freely arranging the heating power of the three heating structures in the control circuit. This circuit is capable of freely arranging the power between the three heating structures and is capable of regulating all powers to one or two heating structures for high power applications such as cooking.

In order to facilitate the installation, disassembly and replacement of the heat generating structure, the present invention has an integrated structure of the heat generating structure and the panel structure, and is supported on the furnace body by a metal truss having a 'Z' shape.

In order to be able to use the round bottom pot and the pan with the same, the concave arc panel has a circular arc-shaped concave surface in the middle. The periphery of the periphery is a flat surface, and a support step or a segment-shaped support leg or a point-like support leg of an annular protrusion is provided at the intersection of the arc-shaped concave surface and the plane. The vertical height of the top surface of the support step of the annular protrusion and the center point of the circular concave surface is between 10 and 100 mm. The circumferential diameter of the intersection of the circular arc-shaped concave surface and the plane is between 80 and 500 mm.

[16] The above-mentioned heating element is a heating quartz tube, a metal heating tube body or a heating wire. In order to improve safety, a temperature sensing device is installed at the bottom of the heating structure. The panel structure of the invention is a microcrystalline ceramic material, and the microcrystalline ceramic material has the advantages of high temperature resistance, stain resistance and easy cleaning.

[17] The invention adopts two kinds of heating structures of electromagnetic induction heating and heating tube heating, and the two panel structures of the flat panel and the concave arc panel cooperate with each other to satisfy the pan and the round bottom pot and the electromagnetic type pot. And the need for a variety of pots such as non-electromagnetic pots. It also has a specific power control circuit to meet the cooking needs of high power and low power. The invention can meet the cooking habits of different regions in Europe and Asia, and has wide applicability. It is equipped with multiple safety structures to ensure that the heating structures do not interact with each other, and measures to ensure the safety of the product are used, which is extremely safe. The electric stove is replaced by a gas-fired stove, one stove replaces multiple stoves and one model replaces multiple models, saving money and avoiding waste.

[18] BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic view showing the structure of the present invention;

2 is a schematic structural view of an electromagnetic flat type heating structure of the present invention;

[21] FIG. 3 is a schematic structural view of an electric heating plate type heating structure of the present invention;

[22] FIG. 4 is a schematic structural view of an electromagnetic circular arc heating structure of the present invention.

[23] Specific implementation

[24] The cooktop 5 of the present invention is composed of heating structures 1, 2 and 3 as shown in Fig. 1. The support panels of the three heat-generating structures are a flat panel 10, a flat panel 20 and a concave circle respectively made of glass ceramics. Arc panel 30. The electromagnetic induction heating structure is installed under the flat panel 10, as shown in FIG. 2; the heating structure of the heating tube is installed under the flat panel 20, as shown in FIG. 3; the electromagnetic induction heating structure is installed under the concave arc panel 30, as shown in FIG. . The three support panels are respectively attached to three different sizes of steel files 4, as shown in Figures 2 to 4, the steel truss 4 has a 'Z' shape. The steel shovel 4 is pasted on the three circular openings of the cooktop 5 and has a 'zigzag shape. The heating structure 2 in which the flat panel 20 is combined with the heat generation of the heat pipe is disposed in the middle upper portion, and is in the three panels. There is a control panel between them, and a control circuit is installed inside the furnace body. The support panel of the present invention is not necessarily circular as shown in this embodiment, and the arrangement is not necessarily in the shape of 'good', and only the heating structure 2 for heating the heat generating tube is disposed on the heating structures 1 and 3 of electromagnetic induction heating. The top can be used, and it is not necessary to use three heating structures, which can be four or five.

[25] The above heating structure is specifically as follows. In the heating structure in which the flat panel 10 and the electromagnetic induction heating structure are combined as shown in FIG. 2, the metal wires 1-3 are arranged in a plane on the flat heating coil 1-2 and Between the flat panels 10 . The magnetic boiling water heater 7 is placed on the heating structure 1, and the magnetic flux 1-1 generated by the metal wire 13 on the heating coil 12 below the flat panel 10 acts on the magnetic conductive water heater 7, thereby boiling the magnetic conductive water. The water 6 in the water 7 is heated, which is energy-saving and safe.

[26] Referring to the heating structure in which the flat panel 20 shown in Fig. 3 is combined with the heating of the heat generating tube, the heating element is in close contact with the lower side of the flat panel, and at least one or multiple heat reflecting structures are disposed under the heating element. The water boiling device 8 is placed on the heating structure 2, and the heating element below the flat panel 20 is two heating tubes 2-5, and the heat generating tubes 2-5 emit heat, which is transmitted through the water burning device 8 to reach the inside of the water burning device 8. Water 6 is heated for the purpose. Since the heat pipe 2-5 emits heat for a long time, the heat is high. In order to avoid heat loss and influence on the circuit board in the stove, the outside of the heat pipe 2-5 is fixed to the heat pipe 2-5 with a highly reflective metal disk 2-4, and the exposed heat pipe 2-5 Adhering to the flat panel 20. A circular heat-insulating basin 2-6 is additionally placed under the metal disc 2-4 to further prevent heat from leaking downward. Reflective metal disc 2-4 and circular heat sink 2-6 edge overlap occlusal together. The bottom of the circular insulated basin 2-6 is equipped with test temperature devices 2-8 to monitor the temperature of the circular insulated basin 2-6. When the temperature of the circular heat-insulating basin 2-6 exceeds the temperature controlled by the computer, the test temperature device 2-8 will feed back to the computer for power-off protection and stop working. In order to make the heat pipe 2-5 work more concentrated heat, to prevent gaps between the flat panel 2 and the circular heat insulation basin 2-6 during installation or transportation, at the bottom of the circular heat insulation basin 2-6 There are more than three punching fixed feet 2-10. Each punching pin has 2-10 sets of springs 2-9, and the lower part of the spring 2-9 is provided with a circular metal reflector 2-7, which acts to fix the spring 2-9 and reflect heat. The spring force of the springs 2-9 enables the circular heat shields 2-6 to be closely attached to the flat panel 20 to prevent heat from escaping outward. It can make the heat of the heat pipe 2-5 work more concentrated and safer.

[27] Referring to the heating structure in which the concave circular arc panel 30 shown in FIG. 4 is combined with the electromagnetic induction heating structure, the metal wires are arranged in a funnel shape between the circular arc-shaped concave heating coil and the concave circular arc panel. The concave arc panel 30 The periphery is a plane 3-3, and the middle portion is a circular arc-shaped concave surface 3-2, and a support step 3-1 is provided at a circular intersection of the circular arc-shaped concave surface 3-2 and the flat surface 3-3. The top of the support step 3-1 is on the same plane as the plane 3-3, and a part of the support step 3-1 extends to form a circular support portion. The function of the support step 3-1 is to use a flat-bottomed magnetic cooker to ensure that it is within the effective working range of the electromagnetic field of the induction cooker. When the round bottom magnetic conductive pot is used, since the arc surface of the bottom of the pot does not come into contact with the concave arc panel 30, the temperature is too high to affect its service life. Another function of the support step 3-1 is that a round bottom wok of any size can be used on the concave arc panel 30. The support step 3-1 of the concave arc panel 30 serves as a good fixing function to prevent the wok from sliding during use. Below the concave arc panel 30 is a funnel-shaped heating coil 3-4, on which a metal wire 3-5 is attached, and the metal wire 3-5 is operated to generate magnetic lines to heat the magnetic conductive cooker.

Claims

Claim

A stove having a plurality of heating modes, comprising a furnace body and a plurality of heating plates integrally disposed on a furnace body, wherein the heating plate comprises at least two heating structures of electromagnetic induction heat generation and heat generation tube heat generation, and The utility model comprises at least two panel structures of a flat panel and a concave arc panel, and the heat generating structure and the panel structure are combined to form different heating structures.

A stove having a plurality of heating modes according to claim 1, wherein the heating plate comprises at least a flat panel combined with an electromagnetic induction heating structure, the flat panel is combined with the heat generating tube, and the concave arc panel is combined with the electromagnetic induction heating structure. Three heating structures.

The stove having a plurality of heating modes according to claim 2, wherein in the heating structure in which the flat panel is combined with the electromagnetic induction heating structure, the metal turns are arranged in a plane on the flat heating coil and the flat panel. between. The stove having a plurality of heating modes according to claim 2, wherein in the heating structure in which the concave arcuate panel is combined with the electromagnetic induction heating structure, the metal wires are arranged in a funnel shape in a circular arc-shaped concave heating wire tray. Between the concave arc panel and the concave arc panel.

The stove having a plurality of heating modes according to claim 2, wherein in the heating structure in which the flat panel is combined with the heat generating tube, the heating element is in close contact with the lower side of the flat panel, and at least one weight is provided below the heating element. Or multiple heat reflecting structures.

A cooktop having a plurality of heating modes according to claim 5, wherein said heat reflecting structure comprises one or more of a reflective metal disk or a heat insulating basin or a metal reflector.

A cooker having a plurality of heating modes according to claim 6, wherein the heat reflecting structure comprises a reflective metal disk covering the outside of the heating element and pressing the heating element, and a heat insulating basin covering the reflective metal disk. , and the triple structure of the metal reflector disposed directly below the heat insulation basin, and in the heat insulation basin and the metal reflector There is a spring buffer mechanism between them.

A cooking stove having a plurality of heating modes according to any one of claims 1 to 7, wherein the heating plate comprises a flat panel combined with an electromagnetic induction heating structure, the flat panel is combined with the heat generating tube, and the concave arc panel is electrically connected. The magnetic induction heating structure combines three heating structures; the three heating structure panels are circular or square, arranged in a 'good' shape, and the heating structure of the flat panel and the heating tube is combined in the middle upper portion; There is a control panel, and a control circuit is installed inside the furnace body.

A cooktop having a plurality of heating modes according to claim 8, wherein said control circuit includes a power modulation circuit for freely arranging heating power of three heating structures.

A cooktop having a plurality of heating modes according to any one of claims 1 to 7, wherein the heat generating structure and the panel structure are of a unitary structure, and the metal truss having a 'Z' shape in cross section is placed on the furnace body.

The stove according to claim 4, wherein the concave arc panel has a circular arc-shaped concave surface at the middle, and the periphery is a flat surface, and a circle is arranged at the intersection of the circular concave surface and the plane. Annular raised support step or segmented support foot or point support foot.

A cooker having a plurality of heating modes according to claim 11, wherein a height of the top surface of the support step of the annular projection and a center point of the arcuate concave surface are between 10 mm and 100 mm.

A cooker having a plurality of heating modes according to claim 11, wherein a circumferential diameter of said arc-shaped concave surface and a plane intersection is between 80 and 500 mm.

A cooktop having a plurality of heating modes according to claim 5, wherein said heat generating body is a heat generating quartz tube, a metal heat generating tube body or a heating wire. A stove having various heating methods according to any one of claims 1 to 7. [Claim 16] A stove having various heating methods according to any one of claims 1 to 7.

, characterized in that the panel structure is a microcrystalline ceramic material.