CN213305781U

CN213305781U - Multi-power nanometer rare earth electric heating structure

Info

Publication number: CN213305781U
Application number: CN202022567123.7U
Authority: CN
Inventors: 苏冠贤; 周善智; 甘树新
Original assignee: Corehelm Electronic Material Co ltd
Current assignee: Corehelm Electronic Material Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-05-28
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a multi-power nanometer rare earth electric heating structure, which comprises a substrate and a multi-power heating element attached on the substrate; the substrate is a conductive substrate or a non-conductive substrate; the multi-power heating body comprises a plurality of power circuit layers which are sequentially stacked; the multi-power nanometer rare earth electric heating structure also comprises an electrode layer, wherein the electrode layer is attached to the multi-power heating body and is respectively and correspondingly electrically connected with each power circuit layer; the utility model makes each power circuit layer work on different position planes, avoids mutual interference between the power circuit layers and the occurrence of the phenomenon of series connection, and can realize more power combinations at the same time; and each power circuit layer does not need substrate isolation, so that the whole structure is thinner, the power circuit is suitable for occasions with limited installation, and the power circuit has the characteristics of faster heat transfer, light weight and strong practicability.

Description

Multi-power nanometer rare earth electric heating structure

Technical Field

The utility model relates to a multi-power nanometer rare earth electric heating structure.

Background

At present, in order to meet market demands, a multi-power heating panel has been proposed by arranging a plurality of heating lines on the same plane or by covering a plurality of heating lines between a plurality of substrates.

Although the two structural modes can meet the requirement of multiple powers, the creepage distance and the insulation grade are both limited because the heating lines are arranged on the same plane, so that the series connection and the mutual interference are easy to generate, the normal use of the multi-power heating plate is seriously influenced, and meanwhile, more power combinations cannot be realized in a given size; and a plurality of heating lines set up between a plurality of base plates, will make whole multi-power heating plate thickness thicker, can't be applicable to the limited occasion of installation and the heat conductivity is poor, and weight is heavy, and the practicality is poor.

Disclosure of Invention

The utility model aims to overcome the defects and provide a multi-power nanometer rare earth electric heating structure.

In order to achieve the above purpose, the specific scheme of the utility model is as follows:

a multi-power nanometer rare earth electric heating structure comprises a substrate and a multi-power heating element attached to the substrate; the substrate is a conductive substrate or a non-conductive substrate; the multi-power heating body comprises a plurality of power circuit layers which are sequentially stacked; the multi-power nanometer rare earth electric heating structure further comprises an electrode layer, wherein the electrode layer is attached to the multi-power heating body, and the electrode layer is respectively and correspondingly electrically connected with each power circuit layer.

The utility model discloses a further, a plurality of power line layers all are formed on the substrate through the printing sintering of nanometer rare earth material; and the electrode layer is printed and sintered on the multi-power heating body through a nano rare earth material.

Further, the substrate is a non-conductive substrate; the multi-power heating element is directly printed and sintered on the non-conductive base material.

The utility model discloses go forward one, the substrate is electrically conductive substrate, the last laminating of electrically conductive substrate has an insulating layer, the printing sintering of multi-power heat-generating body is in on the insulating layer.

The utility model discloses go forward, the insulating layer is in through nanometer rare earth material printing sintering on the electrically conductive substrate.

Further, each power circuit layer comprises a resistance heating layer, a conductive layer and a covering layer which are printed and sintered in sequence, or the conductive layer, the resistance heating layer and the covering layer which are printed and sintered in sequence; the conductive layer is electrically connected with the electrode layer.

The utility model discloses further, the thickness of overburden is 35 ~ 150 mu m.

The utility model has the advantages that: the utility model discloses a plurality of power line layers are stacked up in proper order and are formed the multi-power heat-generating body, make each power line layer be in work on different position faces, avoid the power line layer to interfere each other and appear and bunch the electricity phenomenon, can realize more power combinations simultaneously; and each power circuit layer does not need substrate isolation, so that the whole structure is thinner, the power circuit is suitable for occasions with limited installation, and the power circuit has the characteristics of faster heat transfer, light weight and strong practicability.

Additionally, the utility model discloses a set up the electrode layer at the top surface of many power heat-generating bodies for the wiring on each power line layer is more convenient, and each electrode is all at same face, and the technology structure is more pleasing to the eye.

Drawings

Fig. 1 is a perspective view of a multi-power nano rare earth electrothermal structure provided by an embodiment of the present invention;

fig. 2 is an exploded schematic view of a multi-power nano rare earth electrothermal structure according to an embodiment of the present invention;

FIG. 3 is an exploded view of a multi-power nano rare earth electrothermal structure according to another embodiment of the present invention;

description of reference numerals: 1. a substrate; 2. an insulating layer; 3. a multi-power heating element; 31. a power line layer; 311. a resistance heating layer; 312. a conductive layer; 313. a cover layer; 4. and an electrode layer.

Detailed Description

The following detailed description of the present invention, taken in conjunction with the accompanying drawings and specific examples, is not intended to limit the scope of the invention.

As shown in fig. 1 to fig. 3, the multi-power nano rare earth electrothermal structure of the present embodiment includes a substrate 1 and a multi-power heating element 3 attached to the substrate 1; the substrate 1 is a conductive substrate or a non-conductive substrate; the multi-power heating element 3 includes a plurality of power line layers 31 stacked in sequence; the multi-power nanometer rare earth electric heating structure further comprises an electrode layer 4, wherein the electrode layer 4 is attached to the multi-power heating body 3, and the electrode layer 4 is respectively and correspondingly electrically connected with each power circuit layer 31. In the present embodiment, the shape of the substrate 1 may be a flat plate, a tube or other shapes, and the substrate 1 of the present embodiment is a flat plate.

During the actual use, external current flows in each power line layer 31 respectively through electrode layer 4, and each power line layer 31 is respectively with electric energy conversion heat energy on different bit planes to the heat in time conducts to substrate 1 on, then is gone out with the heat conduction by substrate 1, realizes heating, heat supply function.

In the embodiment, the multiple power circuit layers 31 are sequentially stacked to form the multi-power heating element 3, so that each power circuit layer 31 works on different positions, mutual interference between the power circuit layers 31 and the phenomenon of series connection are avoided, and more power combinations can be realized; and each power circuit layer 31 does not need substrate isolation, so that the whole structure is thinner, the power circuit is suitable for occasions with limited installation, and the power circuit has the characteristics of faster heat transfer, light weight and strong practicability.

In addition, in the embodiment, the electrode layer 4 is arranged on the top surface of the multi-power heating element 3, so that the wiring of each power circuit layer 31 is more convenient, each electrode is on the same surface, and the process structure is more attractive. To current adoption a plurality of base plate cladding structure modes, the electrode is not in same face, and overall structure has thickness thicker, and the weight is heavy, and the poor problem of heat conductivility exists, easily arouses the phenomenon that the heating line burns out because of high temperature, and these technical problems have then been solved to the multi-power nanometer rare earth electric heating structure of this embodiment.

In the present embodiment, further, each of the plurality of power line layers 31 is formed on the base material 1 by printing and sintering a nano rare earth material; the electrode layer 4 is printed and sintered on the multi-power heating body 3 through a nano rare earth material. So set up for many power heat-generating body 3, electrode layer 4 close as an organic whole to firmly combine on substrate 1, thereby improve thermal stability and heat conductivity, further reduce thickness.

In this embodiment, the substrate 1 is a non-conductive substrate, and the non-conductive substrate may be a substrate 1 made of a non-conductive material such as a glass-ceramic plate or ceramic; the multi-power heating body 3 is directly printed and sintered on the non-conductive base material.

Based on the above embodiment, further, each power line layer 31 includes a resistance heating layer 311, a conductive layer 312, and a cover layer 313 printed in sequence, or a conductive layer 312, a resistance heating layer 311, and a cover layer 313 printed in sequence; the conductive layer 312 is electrically connected to the electrode layer 4. During actual use, the position between the conductive layer 312 and the resistance heating layer 311 can be flexibly set according to actual design requirements, and meanwhile, according to actual requirements, each power circuit layer 31 is formed by different resistance heating layers 311, conductive layers 312 and covering layers 313 respectively so as to meet more power combination requirements.

Based on the above embodiment, the thickness of the covering layer 313 is 35 to 150 μm. Through repeated tests and tests of designers, under the condition of creating labor, the thickness of the covering layer 313 of each power circuit layer 31 is set within the range of 35-150 microns, so that the resistance heating layer 311 and the conducting layer 312 of each power circuit layer 31 can be prevented from being mutually connected in an infiltration manner, heat can be transmitted to the base material 1 layer by layer, and each power circuit layer 31 can still normally work under the condition of high temperature.

As shown in fig. 2 and fig. 3, based on the above embodiment, further, the multi-power heating element 3 includes two power line layers 31, which are a first power line layer and a second power line layer. Of course, the multi-power heating element 3 may be provided with three, four, five or more than five power circuit layers 31 according to the actual power quantity, and the whole thickness is thin and the weight is light.

As shown in fig. 3, this embodiment provides another embodiment, which is different from the above embodiment in that the substrate 1 is a conductive substrate, the conductive substrate may be a substrate 1 made of a conductive material such as a stainless steel substrate, an aluminum substrate, etc., an insulating layer 2 is attached on the conductive substrate, and the multi-power heating element 3 is printed and sintered on the insulating layer 2, so that the insulation between the power circuit layer 31 and the conductive substrate is realized; other structures of this embodiment are the same as those of the above embodiment, and are not described herein again. In this embodiment, the conductive substrate is preferably made of a stainless steel material, so that the conductive substrate is high in temperature resistance and thermal conductivity, and can conduct heat generated by each power circuit layer 31 in time, thereby preventing the heat from being too high and affecting the normal operation of each power circuit layer 31.

The above is only a preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the protection scope of the present invention.

Claims

1. A multi-power nanometer rare earth electric heating structure is characterized by comprising a base material (1) and a multi-power heating body (3) attached to the base material (1); the substrate (1) is a conductive substrate or a non-conductive substrate; the multi-power heating element (3) comprises a plurality of power circuit layers (31) which are sequentially stacked; the multi-power nanometer rare earth electric heating structure further comprises an electrode layer (4), the electrode layer (4) is attached to the multi-power heating body (3), and the electrode layer (4) is respectively and correspondingly connected with the power circuit layers (31) in an electric mode.

2. The multi-power nano rare earth electrothermal structure according to claim 1, wherein the plurality of power line layers (31) are each formed on the substrate (1) by nano rare earth material printing and sintering; the electrode layer (4) is printed and sintered on the multi-power heating body (3) through a nano rare earth material.

3. The multi-power nano rare earth electrothermal structure according to claim 2, wherein the substrate (1) is a non-conductive substrate; the multi-power heating element (3) is directly printed and sintered on the non-conductive base material.

4. The multi-power nano rare earth electrothermal structure according to claim 2, wherein the substrate (1) is a conductive substrate, an insulating layer (2) is attached on the conductive substrate, and the multi-power heating element (3) is printed and sintered on the insulating layer (2).

5. Multi-power nano rare earth electrothermal structure according to claim 4, wherein the insulating layer (2) is sintered on the conductive substrate by nano rare earth material printing.

6. Multi-power nano rare earth electrothermal structure according to any one of claims 1 to 5, wherein each power line layer (31) comprises a sintered resistive heat generating layer (311), a conductive layer (312) and a cover layer (313) printed in sequence, or a sintered conductive layer (312), a resistive heat generating layer (311) and a cover layer (313) printed in sequence; wherein the conductive layer (312) is electrically connected with the electrode layer (4).

7. The multi-power nano rare earth electrothermal structure according to claim 6, wherein the thickness of the covering layer (313) is 35 to 150 μm.