CN216531839U - Heating device - Google Patents

Abstract

The utility model provides a heating device, is including the resistance wire that is used for the heating, still includes thermal-insulated dish and the solenoid that forms via the strap coiling, and resistance wire and solenoid coil respectively in the thermal-insulated dish, and resistance wire and solenoid interval coil the setting in turn. The resistance wire and the electromagnetic coil are located in the same plane. The outermost circle of the resistance wire is positioned on the outer side or the inner side of the outermost circle of the electromagnetic coil. The resistance wire or the electromagnetic coil is coiled outwards from the middle along the circumferential direction. The resistance wire is coiled back and forth from left to right, and solenoid is coiled back and forth from right, or, the resistance wire is coiled back and forth from left to right, and solenoid is coiled back and forth from left to right. The heating device further comprises a hollow insulating support disc, more than two heat insulation ribs are arranged on the insulating support disc in spoke shapes, and the heat insulation disc is arranged in the insulating support disc and placed on the heat insulation ribs. The utility model has the characteristics of high heating speed and uniform heating.

Description

Heating device

Technical Field

The present invention relates to a heating device.

Background

The electromagnetic oven utilizes electromagnetic wires to generate eddy current on an iron pan through an electromagnetic field, so that the pan body is heated, the electromagnetic coils are not in direct contact with the pan body, energy is transferred through electromagnetic induction, loss of heat conduction and air heat convection is reduced, the thermal efficiency is high, the heating speed is high, but the 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 comprises a housing, a ceramic glass magnetic plate and a circuit control device, and is characterized in that 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. Although combined electromagnetic heating and resistance heating in this patent, solenoid only is located the periphery of resistance wire, both combine the back, and solenoid only heats cooking utensil bottom outer lane when using alone, only heats cooking utensil bottom inner circle when using alone the resistance wire, so when two sets of heating methods used alone, can not be even the bottom to cooking utensil heats, leads to the heating effect unsatisfactory, consequently remains to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heating device with high heating speed and uniform heating, so as to overcome the defects in the prior art.

The heating device designed according to the purpose comprises a resistance wire for heating, and is structurally characterized by further comprising a heat insulation disc and an electromagnetic coil formed by winding a metal strip, wherein the resistance wire and the electromagnetic coil are respectively wound in the heat insulation disc, and the resistance wire and the electromagnetic coil are alternately wound at intervals.

Furthermore, the resistance wire and the electromagnetic coil are located in the same plane.

Further, the outermost circle of the resistance wire is positioned on the outer side or the inner side of the outermost circle of the electromagnetic coil.

Further, the resistance wire or the electromagnetic coil is coiled outwards from the middle along the circumferential direction.

Further, the resistance wire is coiled back and forth from left to right, and the electromagnetic coil is coiled back and forth from right to left, or the resistance wire is coiled back and forth from left to right, and the electromagnetic coil is coiled back and forth from left to right.

Further, the heating device further comprises a hollow insulating support disc, more than two heat insulation ribs are arranged on the insulating support disc in a spoke shape, 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 heating device also comprises a mica sheet, and one side of the mica sheet is connected with the bottom of the heat insulation plate 3.

Further, the mica sheet covers the surface of the bottom of the heat insulation plate.

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

The heating device comprises a resistance wire for heating, a heat insulation disc and an electromagnetic coil formed by winding a metal belt, wherein the resistance wire and the electromagnetic coil are respectively wound in the heat insulation disc, and the resistance wire and the electromagnetic coil are alternately wound at intervals; the during operation, resistance wire and solenoid both can simultaneous working, also can separately independent work to when resistance wire and solenoid simultaneous working, can satisfy the rate of heating fast, the even requirement of heating, do not have any requirement to shelving the cooking utensil on this product moreover, thereby enlarged the application scope of this product.

In conclusion, the utility model has the characteristics of high heating speed and uniform heating.

Drawings

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

FIG. 2 is an exploded view of the present invention from another perspective.

FIG. 3 is a partially enlarged structural schematic diagram of the resistance wire, the electromagnetic coil and the heat insulation plate after assembly.

In the figure: 1 is the resistance wire, 2 is solenoid, 3 is thermal-insulated dish, 4 is the mica sheet, 5 is the magnetic stripe, 6 is insulating support dish, 6.1 is thermal-insulated muscle, 6.2 is thermal-insulated arch.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1-3, the heating device comprises a resistance wire 1 for heating, a heat insulation disc 3 and an electromagnetic coil 2 formed by winding a metal strip, wherein the resistance wire 1 and the electromagnetic coil 2 are respectively wound in the heat insulation disc 3, and the resistance wire 1 and the electromagnetic coil 2 are alternately wound at intervals.

The resistance wire 1 and the electromagnetic coil 2 are located in the same plane.

The outermost circle of the resistance wire 1 is positioned at the outer side or the inner side of the outermost circle of the electromagnetic coil 2.

The resistance wire 1 or the electromagnetic coil 2 is sequentially coiled outwards from the middle along the circumferential direction.

The resistance wire 1 is coiled back and forth from left to right, and the electromagnetic coil 2 is coiled back and forth from right, or the resistance wire 1 is coiled back and forth from left to right, and the electromagnetic coil 2 is coiled back and forth from left to right.

The heating device further comprises a hollow insulating support disc 6, more than two heat insulation ribs 6.1 are arranged on the insulating support disc 6 in a spoke shape, and the heat insulation disc 3 is arranged in the insulating support disc 6 and 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 heating device also comprises a mica sheet 4, and one side of the mica sheet 4 is connected with the bottom of the heat insulation plate 3.

In this embodiment, the mica sheet plays insulating heat dissipation effect, avoids the resistance wire 1 during operation high temperature and down transmits the heat and causes the influence to other parts.

The mica sheet 4 covers the surface of the bottom of the heat insulation plate 3.

The heating device also comprises a magnetic strip 5, and the magnetic strip 5 is connected with the other side of the mica sheet 4.

In this embodiment, since the magnetic permeability of the magnetic stripe 5 is high, the magnetic lines of force emitted from the electromagnetic coil can be concentrated, and the intensity of the magnetic field acting on the cooking appliance is increased, thereby increasing the heating efficiency.

More specifically, the magnetic strip 5 is attached to the other side of the mica sheet 4 by an adhesive layer.

The product also has the following effects: the heat that needs set up radiator fan in the ordinary electromagnetism stove and produce solenoid dispels the heat, because this product is solenoid 2 that adopts the strap coiling to form, so the heat that solenoid itself produced and the heat that the resistance wire produced all can not produce any influence to solenoid 2, so this product can all be used for the heating with the heat of all productions to the energy consumption utilization ratio of this product has been improved.

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, and are used only for the convenience of description and 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 utility model, 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 foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a heating device, is including being used for resistance wire (1) of heating, and characterized by still includes thermal-insulated dish (3) and solenoid (2) that form via the strap coiling, and resistance wire (1) and solenoid (2) coil respectively in thermal-insulated dish (3), and resistance wire (1) and solenoid (2) interval are coiled the setting in turn.

2. A heating device as claimed in claim 1, characterized in that the resistance wire (1) and the electromagnetic coil (2) are co-located in the same plane.

3. A heating device according to claim 1, characterized in that the outermost turn of the resistance wire (1) is located outside or inside the outermost turn of the electromagnetic coil (2).

4. The heating device as claimed in claim 1, characterized in that the resistance wire (1) or the electromagnetic coil (2) is wound outward in succession from the middle in the circumferential direction.

5. The heating device according to claim 1, characterized in that the resistance wire (1) is coiled back and forth from left to right and the electromagnetic coil (2) is coiled back and forth from right to left, or the resistance wire (1) is coiled back and forth from left to right and the electromagnetic coil (2) is coiled back and forth from left to right.

6. The heating device according to any one of claims 1 to 5, further comprising a hollow insulating support plate (6), wherein more than two heat insulating ribs (6.1) are arranged on the insulating support plate (6) in a spoke shape, and the heat insulating plate (3) is arranged in the insulating support plate (6) and rests on the heat insulating ribs (6.1).

7. A heating device according to claim 6, characterised in that the insulating rib (6.1) is provided with a plurality of insulating protrusions (6.2) along its length.

8. A heating device according to claim 6, characterized by a mica sheet (4), which mica sheet (4) is connected on one side to the bottom of the thermally insulating disc (3).

9. Heating device according to claim 8, characterized in that the mica sheets (4) are covered on the surface of the bottom of the insulating plate (3).

10. A heating device according to claim 6, characterized by further comprising a magnetic strip (5), which magnetic strip (5) is attached to the other side of the mica sheet (4).

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