WO2016086795A1

WO2016086795A1 - Electromagnetic heating device

Info

Publication number: WO2016086795A1
Application number: PCT/CN2015/095679
Authority: WO
Inventors: 彭萍芳
Original assignee: 彭萍芳
Priority date: 2014-12-02
Filing date: 2015-11-26
Publication date: 2016-06-09
Also published as: CN104566602A

Abstract

Disclosed is an electromagnetic heating device. A metal cellular heating body (1) for generating electromagnetic induction is installed in a disc face azimuth of an electromagnetic induction heating coil (5). A tray (9) is provided with a through-gap (7) facilitating ventilation. The metal cellular heating body (1) heats up due to the electromagnetic induction, while the air blown or induced by a fan successively passes through the tray (9) and the cellular heating body (1), so as to discharge warm air. The electromagnetic heating device can be applied to various industrial heating techniques and air-heating household appliance products.

Description

Description: The name of the invention: an electromagnetic heating device

[0001] The present invention relates to the field of electromagnetic warm air devices, and more particularly to a honeycomb electromagnetic induction heating device for electromagnetic induction heating appliances.

Background technique

[0002] At present, the electromagnetic wind heating technology appearing on the market, the coils are all wound in the structure of the outer ring of the heat generation, which is not conducive to the development of a thin structure. The technology of flat coils on the disk-shaped skeleton is mature, and is also advantageous for thin type. The electromagnetic heating component is used for bursting, and the PTC honeycomb heating device is more likely to be crushed. In the harsh environment, the heat-dissipating corrugated aluminum metal is prone to rust and mildew, resulting in a decrease in thermal efficiency.

technical problem

[0003] Application No.: 2014101362419 The honeycomb heating device of the cellular hot type winter and summer axial fan is not specifically explained by the combination of the honeycomb heating device and the electromagnetic wire disk, but only focuses on the honeycomb heating device and the mesh cover. In combination with axial flow fans, an electromagnetic heating device suitable for various air-heating devices must be issued.

Problem solution

Technical solution

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a honeycomb electromagnetic heating device of an electromagnetic induction heating device that can replace the existing resistive multi-industry hot air product.

[0005] The technical solution adopted by the present invention to solve the technical problem is as follows: The heater for generating a heat source by the principle of electromagnetic induction is mainly composed of a fan, a control circuit and an electromagnetic heating device, and the electromagnetic heating device is composed of an electromagnetic induction heating coil and a metal honeycomb. The heating element is composed of a honeycomb heating element provided with a disk surface orientation of the wire tray, and the honeycomb heating element is provided with a honeycomb through hole of any shape, and a coiled space is provided between the coil portion or the stranded wire of the wire reel.

[0006] There is a gap or an isolated object between the coil and the heating element of the honeycomb. When the coil of the coil passes the current that meets the condition, the heating element of the honeycomb generates heat due to electromagnetic induction, and the wind flows through the line from the surface of the magnetic strip. After the plate, it is already hot air from the honeycomb heating element.

[0007] The bracket on the side of the coil is provided with a raised or raised wall for facilitating the installation of the honeycomb heating element. [0008] The coil is a sparse structure.

[0009] The outer layer of each enameled wire of the coil is provided with a heat conducting insulating sleeve or a thickened insulating treatment.

[0010] The center of the bracket of the reel is provided with a through hole for mounting a sensor, and the shape and structure of the heating element of the honeycomb must conform to the principle of eddy current heating to achieve high thermal efficiency.

[0011] The honeycomb heating element is provided with an outer ring protruding from at least one surface of the honeycomb disk in the ring, and the disk surface geometry of the honeycomb heating element is square or circular or elliptical or trapezoidal or parallelogram .

[0012] The two faces of the honeycomb heating element are biconcave (arc) or biconvex (arc) or single concave (arc) or single convex (arc) or concave (arc), the honeycomb The heating element is a hybrid ferrule structure of a corrugated ring and a flat ring, or a single ring structure of a corrugated ring.

[0013] the honeycomb heating element is a mixed winding structure of a corrugated belt and a flat belt, or a single winding structure of a corrugated belt

[0014] The honeycomb heating element is a pipe network overall structure.

[0015] The honeycomb heating element and the periphery of the wire reel are provided with an electromagnetic shielding mesh cover.

Advantageous effects of the invention

Beneficial effect

[0016] The present invention has the following advantages.

[0017] 1. The heating rate is fast, and the machine can quickly generate a higher temperature within a few seconds.

[0018] 2. The stainless steel honeycomb heating element which is not easy to break and has a long service life and high temperature resistance is not easy to rust and mold.

[0019] 3. The heat efficiency is high, and the heat generated by the honeycomb heating body itself can directly dissipate heat, and the heat exchange area for the air is large.

[0020] 4. There is no risk of electric shock, and the honeycomb heating element is isolated from the charging coil.

[0021] 5. Conducive to thinning, the coil heat dissipation is good, and the coil and the flat honeycomb heating body do not require a large installation space.

[0022] 6. Adapted to various types of wind turbines as wind drives, can be applied to warm air products for various industries.

[0023] Of course, implementing any of the products of the present invention does not necessarily require that all of the advantages described above be achieved.

Brief description of the drawing

DRAWINGS

[0024] The electromagnetic heating device of the present invention will be further described below with reference to the accompanying drawings and embodiments.

1 is a perspective exploded view of a coil of a honeycomb heating element and a coil of a loosely wound structure of the hybrid ferrule structure of the present invention; Intention.

2 is a schematic view of a circular wire reel having a coil of a sparse structure according to the present invention.

3 is a perspective view of a circular honeycomb heating element of the hybrid ferrule structure of the present invention.

4 is a schematic view showing a corrugated belt and a flat belt winding structure of the honeycomb heating element of the present invention.

5 is a perspective view of a circular honeycomb heating element of the tubular network structure of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

[0030] In FIG. 1, FIG. 2, FIG. 3, the coil (5) mounted on the reel (9) is a sparse structure, and there is a gap (7) between the coil and the coil for ventilation, in the coil (5) The outer edge of the bracket (6) on this side is provided with a raised wall (10), and the center of the bracket (6) of the reel (9) is a through hole (12) for mounting a temperature sensor, a reel (9) On the other side, eight magnetic strips (8) are mounted on the bracket (6) for magnetic permeability to improve efficiency. The honeycomb heating element (1) is mounted on the coil (5) of the reel (9). The honeycomb heating element (1) is a circular disc shape, and is composed of a plurality of coaxial flat rings (2) and a plurality of The corrugated ring of the shaft (3) is a mixed ferrule honeycomb structure which is alternately formed, that is, the corrugated ring is covered with a flat ring, the flat ring is covered with a corrugated ring, and so on. The axial width (or the length of the ring) of the outer ring (4) is larger than the thickness of the honeycomb disk in the ring. The left side of the outer ring (4) protrudes from the honeycomb disk in the ring, and the outer ring (4) just fits. The three projections (11) and the wall (10) of the reel bracket (6) can be used to fix the outer ring (4) and the projection (11) together by screws, and the inside of the honeycomb heating element (1) This side is separated from the coil (5) by a certain gap, which is beneficial to the temperature rise of the coil (5) without being affected by the honeycomb heating element (1), and the honeycomb heating element (1) due to the presence of the outer ring (4) The axial periphery between the coil and the reel (9) is closed, and the wind blown by the fan can only flow through the coil gap (7) and the honeycomb through hole. The honeycomb heating element of the hybrid ferrule structure is most in accordance with the electromagnetic induction eddy current principle, and the air heat exchange efficiency is high, which can be a preferred embodiment.

Embodiments of the invention

[0031] In FIG. 4, the honeycomb heating element is a hybrid winding structure, and the corrugated strip (3b) of the honeycomb heating element is superposed on the flat belt (2b), and is wound by a winding process. In the swirling honeycomb circle "cake", it is welded and shaped by the welding process to achieve good electrical performance. The outer ring (4) is wrapped with a honeycomb disk consisting of a flat ring (2) and a bellows (3), and the outer ring (4) The width of the circle exceeds the thickness of the entire honeycomb disk, and The bottom of the disk protrudes.

[0032] In FIG. 5, the honeycomb heating element (1) is a circular tube-like monolithic structure, and the electromagnetic induction efficiency of the whole structure is high, and the disadvantage is that it is not conducive to rapid heat exchange of air, and the material itself diffuses heat. The range of capabilities is small and the cost is high. In Fig. 4, the honeycomb heating element is a hybrid winding structure, and the corrugated strip (3b) of the honeycomb heating element is superposed on the flat belt (2b), and is wound into a swirl-like shape by a winding process. The honeycomb round "cake" is welded and shaped by the welding process to achieve good electrical performance. The outer ring (4) is wrapped with a honeycomb disk composed of a flat ring (2) and a bellows (3), and the outer ring (4) has a ring width. It exceeds the thickness of the entire honeycomb disk and protrudes below the disk surface.

[0033] In FIG. 5, the honeycomb heating element (1) is a circular tube-like monolithic structure, and the electromagnetic induction efficiency of the whole structure is high, and the disadvantage is that it is not conducive to rapid heat exchange of air, and the material itself diffuses heat. The range of capabilities is small and the cost is high.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and those skilled in the art can make the technical solutions of the present invention without departing from the inventive concept. Various changes and improvements are within the scope of the present invention.

Claims

Claim

[Claim 1] An electromagnetic heating device comprising: an electromagnetic induction heating coil and a metal honeycomb heating element, wherein: the honeycomb heating element is provided with a disk surface orientation of the wire tray, and the honeycomb heating body is provided with a honeycomb through hole of any shape. A through gap is formed between the coil portion of the coil or the stranded wire.

[Claim 2] An electromagnetic heat generating device according to claim 1, wherein: the coil and the honeycomb heating element have a space or an isolated object.

[Claim 3] An electromagnetic heat generating device according to claim 1, wherein: the bracket on the side of the coil is provided with a boss or a convex wall for facilitating the mounting of the honeycomb heating element.

[Claim 4] An electromagnetic heating device according to claim 1, wherein: the coil is a loose structure.

[Claim 5] An electromagnetic heating device according to claim 1, wherein: the outer layer of each of the enameled wires of the coil is provided with a heat conducting insulating sleeve or a thickening insulating treatment.

[Claim 6] An electromagnetic heating device according to claim 1, wherein: the center of the support of the reel is provided with a through hole.

[Claim 7] An electromagnetic heat generating device according to claim 1, wherein: the honeycomb heat generating body is provided with an outer ring, and the outer ring protrudes from at least one surface of the honeycomb disk in the ring.

[Claim 8] An electromagnetic heat generating device according to claim 1, wherein: the disk surface geometry of the honeycomb heat generating body is square or circular or elliptical or trapezoidal or parallelogram.

[Claim 9] The electromagnetic heating device according to claim 1, wherein the honeycomb heating element is a hybrid ferrule structure of a corrugated ring and a flat ring, or a single ring structure of a corrugated ring.

[Claim 10] An electromagnetic heating device according to claim 1, wherein the honeycomb heating element is a mixed winding structure of a corrugated belt and a flat belt, or a single winding structure of a corrugated belt.

[Claim 11] An electromagnetic heating device according to claim 1, wherein the honeycomb heating element is a tubular network structure.

[Claim 12] The electromagnetic heating device according to claim 1, wherein the honeycomb heating element and the periphery of the reel are provided with an electromagnetic shielding net cover.