CN216491125U

CN216491125U - Electric heating structure

Info

Publication number: CN216491125U
Application number: CN202123248971.2U
Authority: CN
Inventors: 孙永军; 陈海舵; 雷治春
Original assignee: Zhongshan Xind Electric Appliance Manufacturing Co ltd
Current assignee: Zhongshan Xind Electric Appliance Manufacturing Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-10
Anticipated expiration: 2031-12-22

Abstract

The utility model provides an electric heating structure, includes not only can be used for solenoid but also can be used for the strap of resistance wire, and this strap constitutes the heating unit after the interval coils, and wherein, the resistance value of whole heating unit is 0.5 ~ 80 omega, and the inductance value of whole heating unit is 10 ~ 300 mu H. The resistance value of the whole heating unit is 0.5-30 omega, and the inductance value of the whole heating unit is 20-200 muH. The heating unit is a square or round, oval or triangular structure formed by winding a metal belt back and forth from left to right, or a structure formed by winding the metal belt on the left side and then on the right side, wherein the middle of the left half and the middle of the right half are communicated. The heating unit is of an annular structure. The metal belt is a metal alloy belt. The electric heating structure further comprises a heat insulation disc, and the heating unit is arranged in the heat insulation disc. The utility model has the characteristics of heating effect is good.

Description

Electric heating structure

Technical Field

The utility model relates to an electric heating structure.

Background

The electromagnetic oven utilizes the electromagnetic wire to generate vortex on the iron pan through the electromagnetic field, so that the pan body is heated, the electromagnetic coil is not in direct contact with the pan body, energy is transmitted through electromagnetic induction, loss of heat conduction and air heat convection is reduced, heat efficiency is high, heating speed is high, heating is not uniform, and the material of the pan is limited.

The electric ceramic stove is heated by the resistance heating wire, via the panel, radiating to the stove surface, losing a part of heat in the heat transfer process, and the other part of heat is dissipated in the air, so that the electric ceramic stove has lower heat efficiency and slower heating speed, but heats uniformly without limiting the material of the pot.

Chinese patent document No. CN 201368497Y discloses an electric-heating-electromagnetic integrated oven in 2009, 12.23, which includes a housing, a ceramic glass magnetic plate, and a circuit control device, wherein an electric heating element and an electromagnetic generating element are arranged in the housing, the electric heating element is a heat radiation oven plate, and the electromagnetic generating element is an electromagnetic wire plate. The support for fixing the thermal radiation furnace plate and the electromagnetic generating element is arranged in the shell, the support and the thermal radiation furnace plate are isolated by a heat insulator, and the coil plate and the thermal radiation furnace plate are isolated by the heat insulator. When the electric heating and electromagnetic integrated oven is used for electric heating or electromagnetic heating, special requirements are provided for cooking appliances, so that users are not satisfied, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric heating structure with good heating effect to overcome the defects in the prior art.

The electric heating structure designed according to the purpose is characterized in that: the heating device comprises a metal belt which can be used for an electromagnetic coil and a resistance wire, wherein the metal belt is coiled at intervals to form a heating unit, the resistance value of the whole heating unit is 0.5-80 omega, and the inductance value of the whole heating unit is 10-300 muH.

Furthermore, the resistance value of the whole heating unit is 0.5-30 omega, and the inductance value of the whole heating unit is 20-200 muH.

Further, the heating unit is formed by winding a metal belt back and forth from left to right to form a square or round, oval or triangular structure, or the heating unit is formed by winding the metal belt on the left side and then on the right side to form a structure with the left half and the right half communicated with each other.

Further, the heating unit is of an annular structure.

Further, the metal strip is a metal alloy strip.

Furthermore, the electric heating structure also comprises a heat insulation disc, and the heating unit is arranged in the heat insulation disc.

Further, the electric heating structure further comprises an insulating support disc which is of a hollow structure, more than two heat insulation ribs are radially arranged on the insulating support disc, and the heat insulation disc is arranged in the insulating support disc and placed on the heat insulation ribs.

Furthermore, a plurality of heat insulation bulges are arranged on the heat insulation rib along the length direction of the heat insulation rib.

Further, the electric heating structure also comprises a mica sheet, and one side of the mica sheet is connected with the bottom of the heat insulation plate.

Further, the electric heating structure also comprises a magnetic strip, and the magnetic strip is connected with the other side of the mica sheet.

The utility model provides a strap both can regard as solenoid to use and can regard as the resistance wire to use, realized that rate of heating is fast and the even purpose of heating in same zone of heating, it uses resistance heating in the centre to have compensatied ordinary product, and the heating area that leads to at the outer lane uses electromagnetic heating is little, the heating is insufficient inadequately, make cooking utensil can fully obtain the heating, thereby the heating effect of product has been improved, and because heating element has adopted resistance heating and electromagnetic heating's two kinds of heating modes simultaneously, metal or non-metallic cooking utensil homoenergetic is heated, realized "do not choose the pot", make the application scope of product wider.

To sum up, the utility model has the characteristics of heating effect is good.

Drawings

Fig. 1 is an exploded schematic view of a first embodiment of the present invention.

Fig. 2 is an exploded view of the present invention from another angle.

In the figure: 1 is a heating unit, 2 is a heat insulation disc, 3 is a mica sheet, 4 is a magnetic strip, and 5 is an insulation support disc.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

First embodiment

Referring to fig. 1, the electric heating structure comprises a metal belt which can be used for an electromagnetic coil and a resistance wire, wherein the metal belt is wound at intervals to form a heating unit 1, the resistance value of the whole heating unit 1 is 0.5-80 Ω, and the inductance value of the whole heating unit 1 is 10-300 μ H.

The resistance value of the whole heating unit 1 is 0.5-30 omega, and the inductance value of the whole heating unit 1 is 20-200 muH.

The heating unit 1 is formed by winding a metal belt back and forth from left to right to form a square or round, oval or triangular structure, or the heating unit 1 is formed by winding the metal belt on the left side and then on the right side to form a structure with the left half and the right half communicated with each other.

The heating unit 1 has a ring structure.

The metal belt is a metal alloy belt.

The electric heating structure further comprises a heat insulation disc 2, and the heating unit 1 is arranged in the heat insulation disc 2.

The electric heating structure further comprises an insulating support disc 6 which is of a hollow structure, more than two heat insulation ribs 6.1 are radially arranged on the insulating support disc 6, and the heat insulation disc 2 is arranged in the insulating support disc 6 and is placed on the heat insulation ribs 6.1.

In this embodiment, the insulating support plate is made of a high temperature resistant material that cannot be heated by electromagnetic energy.

A plurality of heat insulation bulges 6.2 are arranged on the heat insulation rib 6.1 along the length direction.

In the embodiment, the heat transfer is reduced through the heat insulation bulge 6.2, the temperature of the surface of the insulation support disc 6 is reduced, and the service life of the product is prolonged.

The electric heating structure further comprises a mica sheet 3, and one side of the mica sheet 3 is connected with the bottom of the heat insulation plate 2.

In the embodiment, the mica sheet 3 plays a role in insulation and heat dissipation, and the stability inside the product is further improved.

The electric heating structure further comprises a magnetic strip 4, and the magnetic strip 4 is connected with the other side of the mica sheet 3.

In this embodiment, since the magnetic permeability of the magnetic stripe 4 is high, the magnetic lines of force emitted by the electromagnetic coil can be gathered, and the magnetic field intensity acting on the cooking appliance is increased, thereby increasing the heating efficiency.

The product also has the following effects: need set up radiator fan in the ordinary electromagnetism stove and dispel the heat that solenoid produced, and the utility model provides a produced heat gathering of strap is in the relatively inclosed space of being enclosed by the thermal-insulated dish to transmit the heat for cooking utensil through the thermal-insulated dish, improve energy consumption utilization ratio. Secondly, because the heating unit has two modes of resistance heating and electromagnetic heating, the user does not need to additionally stockpile electromagnetic coils or resistance wires with different powers in a warehouse for installing corresponding induction cookers or electric ceramic cookers, thereby reducing the stock and the occupied space.

In this embodiment, when the heating power required by the user is 1.5KW, the requirements of the corresponding heating unit are: the resistance value of the whole heating unit is 10 omega, the inductance value of the whole heating unit is 80 muH, the heating unit is manufactured according to the parameters, and the actual measurement meets the requirements.

Second embodiment

In this embodiment, when the heating power required by the user is 3.5KW, the requirements of the corresponding heating unit are: the resistance value of the whole heating unit is 5 omega, the inductance value of the whole heating unit is 70 muH, the heating unit is manufactured according to the parameters, and the actual measurement meets the requirements.

The rest of the parts which are not described in the first embodiment are not described in detail.

Third embodiment

In this embodiment, when the heating power required by the user is 5KW, the requirements of the corresponding heating unit are: the resistance value of the whole heating unit is 2 omega, the inductance value of the whole heating unit is 40 muH, the heating unit is manufactured according to the parameters, and the actual measurement meets the requirements.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electric heating structure is characterized in that: including the strap that both can be used for solenoid and can be used for the resistance wire, this strap constitutes heating element (1) after the interval coils, and wherein, the resistance value of whole heating element (1) is 0.5 ~ 80 omega, and the inductance value of whole heating element (1) is 10 ~ 300 mu H.

2. The electric heating structure according to claim 1, wherein the resistance value of the entire heating unit (1) is 0.5 to 30 Ω, and the inductance value of the entire heating unit (1) is 20 to 200 μ H.

3. The electric heating structure according to claim 1 or 2, wherein the heating unit (1) is a square, circular, oval or triangular structure formed by winding a metal strip from left to right back and forth, or the heating unit (1) is a structure formed by winding a metal strip on the left side and then on the right side to communicate the left half and the right half.

4. The electric heating structure according to claim 1 or 2, characterized in that the heating unit (1) is a ring-shaped structure.

5. The electrothermal structure according to claim 1, wherein the metal tape is a metal alloy tape.

6. An electric heating construction according to claim 1, characterized in that it further comprises a thermally insulating tray (2), the heating unit (1) being arranged in the thermally insulating tray (2).

7. The electric heating structure according to claim 6, further comprising an insulating support plate (6) having a hollow structure, wherein more than two heat insulating ribs (6.1) are radially disposed on the insulating support plate (6), and the heat insulating plate (2) is disposed in the insulating support plate (6) and rests on the heat insulating ribs (6.1).

8. An electric heating construction according to claim 7, characterised in that the insulating rib (6.1) is provided with a number of insulating protrusions (6.2) along its length.

9. The electric heating structure according to claim 6, further comprising a mica sheet (3), wherein one side of the mica sheet (3) is connected with the bottom of the heat insulating plate (2).

10. The electric heating structure according to claim 9, further comprising a magnetic strip (4), wherein the magnetic strip (4) is connected to the other side of the mica sheet (3).