CN201528435U

CN201528435U - Electrothermal element

Info

Publication number: CN201528435U
Application number: CN200920279088XU
Authority: CN
Inventors: 黄月玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-06
Filing date: 2009-11-06
Publication date: 2010-07-14
Anticipated expiration: 2019-11-06

Abstract

The utility model relates to an electrothermal element, which is provided with a thermal resistance circuit with a metal slurry layer on the surface of a base material with the thermal resistance insulating characteristics; the two ends of the thermal resistance circuit are respectively electrode ends electrically connected with an external power supply; under the effect of current, the electric energy is fast converted into heat energy by the thermal resistance circuit, and the base material is directly and evenly heated; and the base material is directly used as a heating surface of an electrothermal product, thus not only simplifying the structure of the electrothermal product, but also better improving the working efficiency of the electrothermal product relatively, and achieving the purpose of saving energy.

Description

Electric heating element

Technical field

The utility model is relevant a kind of electric heating element that converts electric energy to heat energy, refers to a kind of structure that can simplify electric heating products especially, and the electric heating element that improves the electric heating products operating efficiency.

Background technology

As everyone knows,, can allow the moulding after haircuting comparatively lasting, therefore in the streets have many electric heating curling irons and be matched with use when haircuting for hairdresser or consumer to the hair mat of suitably haircuting again after the heating; The electric heating products of general curling iron and so on is to use positive thermal coefficient more, and (PositiveThermal Coefficient, PTC) element is as the heating element of electric heating products.

As shown in Figure 1, similarly commonly use heating element 11 in use, must cooperate a dielectric 12 to be fixed, seeing through this dielectric 12 again contacts with the heating surface 13 of this electric heating products 10, when its heating element 11 is switched on and adstante febre, via dielectric 12 heat conduction heating surface 13 is heated, and then makes electric heating products 10 produce intended function.

Only, similarly commonly use heating element 11 in use, because must be fixed by dielectric 12, not only make the structure of electric heating products 10 be tending towards complicated, the volume of relative electric heating products 10 is also comparatively huge; Especially, the heat energy that heating element 11 is produced not is the heating surface 13 that directly is passed to electric heating products 10, so not only causes the loss of heat energy easily, and is not easy to allow heating surface 13 thermally equivalents.

The utility model content

The technical problem that the utility model solved is: improved at the employed electric heating element of electric heating products, and then simplify the structure of electric heating products, and improve the operating efficiency of electric heating products.

The technical solution of the utility model is: a kind of electric heating element is to include: one has the made base material of high temperature insulation characteristic material; One thermal resistance circuit, this thermal resistance circuit surface has the metal slurries layer, and the two ends of this thermal resistance circuit have one respectively for the electrode tip that electrically connects with external power source.

Wherein, should be in order to constitute the material with insulation characterisitic of base material, be for quartz, pottery, crystallite porcelain, silica glass, silicon nitride glass, aluminium oxide one of them.

This metal slurries layer is to see through fabrography to be built in this substrate surface.

This metal slurries layer is to starch one of them for silver slurry or copper.

This external power source be for DC power supply or AC power one of them.

This DC power supply is a dry cell.

This AC power is a civil power.

This electric heating element also is arranged on tubular body, groove shape body or the plates.

This electric heating element also is arranged on the shape body, and these plates further are installed in the box body, and this box body is provided with first, second opening that communicates, and in this box body and be provided with plural number for the fixing fixed part of plates, and this opening part and be provided with fan wherein.

The beneficial effects of the utility model are:

1, is substrate surface in a tool high temperature insulation characteristic, construction has the thermal resistance circuit that is made of the metal slurries layer, the two ends of this thermal resistance circuit are respectively the electrode tip that supplies with the external power source electric connection, under the function of current, convert electric energy to heat energy fast, and make the direct thermally equivalent of base material by the thermal resistance circuit; In order to do can directly the heating surface of base material as electric heating products being used, not only can use the structure of simplifying electric heating products, more can improve the operating efficiency of electric heating products relatively, reach the purpose of saving the energy.

2, be directly with fabrography the metal slurries layer to be built in substrate surface, making becomes the thermal resistance circuit that directly base material is heated, so applicable to the less electric heating products in pyrotoxin space.

3, being can be via the electric heating element of the condition production different heat power such as material, thickness, width or path that change the thermal resistance circuit.

Description of drawings

Fig. 1 is a structure cutaway view of commonly using electric heating products for one.

Fig. 2 is the structural plan figure for the utility model electric heating element.

Fig. 3 is first kind of user mode reference diagram of the utility model electric heating element.

Fig. 4 is second kind of user mode reference diagram of the utility model electric heating element.

Fig. 5 is the third user mode reference diagram of the utility model electric heating element.

Fig. 6 is the 4th kind of user mode reference diagram of the utility model electric heating element.

Fig. 7 is the 5th kind of user mode reference diagram of the utility model electric heating element.

Fig. 8 is the 6th kind of user mode reference diagram of the utility model electric heating element.

Fig. 9 is the 7th kind of user mode reference diagram of the utility model electric heating element.

Figure 10 is the 8th kind of user mode reference diagram of the utility model electric heating element.

[figure number explanation]

10 electric heating products, 11 heating elements

12 dielectrics, 13 heating surfaces

20 electric heating products, 21 electric heating elements

211 base materials, 212 thermal resistance circuit

213 electrode tips, 31 tubular bodies

32 groove shape bodies, 33 plates

34 box bodys, 341 first openings

342 second openings, 343 fixed parts

35 fans

Embodiment

As shown in Figure 2, electric heating element 21 of the present utility model is to include a base material 211, and a thermal resistance circuit 212; Wherein:

This base material 211 is made by the material with high temperature insulation characteristic, this have insulation characterisitic material can for quartz, pottery, crystallite porcelain, silica glass, silicon nitride glass, aluminium oxide one of them.

This thermal resistance circuit 212 is to be built in this base material 211 surfaces by metal slurries through coating method, forms the metal slurries layer; When implementing, this metal slurries layer is to see through fabrography to be built in this base material 211 surfaces, the two ends of this thermal resistance circuit 212 have an electrode tip 213 respectively for electrically connecting with external power source, the external power source that it connected can be DC power supply (can be dry cell) or AC power (can be civil power), and its metal slurries layer is to starch one of them for silver slurry or copper.

According to Ohm's law, any metallic conductor is different and have different resistance characteristics according to material, density, and the sectional area of metallic conductor and length also can influence its resistance characteristic again; Therefore, this thermal resistance circuit 212 is to produce different heat power via changing condition such as material, thickness, width or path.

Electric heating element 21 of the present utility model is under the function of current, promptly convert electric energy to heat energy fast by thermal resistance circuit 212, and make base material 211 direct thermally equivalents, therefore can directly the heating surface of base material 211 as electric heating products be used, not only can use the structure of simplifying electric heating products, more can improve the operating efficiency of electric heating products relatively, reach the purpose of saving the energy.

In the specific implementation, electric heating element 21 of the present utility model can be applied in the electric heating products 20 of curling iron as shown in Figure 3, can directly construction there be the heating surface of the base material 211 of thermal resistance circuit 212 as curling iron, or the electric heating products 20 of aquarium warmer as shown in Figure 4, and the base material 211 that can directly construction be had thermal resistance circuit 212 is located at bottom the aquarium, to keep the preferable state of viewing and admiring; Even applicable to the warm bag of carry-on electricity as shown in Figure 5, or the less electric heating products 20 in pyrotoxin space such as insulation water tumbler as shown in Figure 6, or also this electric heating element can be applied to the electric heating products of (figure slightly) such as blowing mechanical, electrical hair clip, electric heating facial vaporizer, electric heater, electromagnetic ovens, this electric heating element 21 also can be arranged on the tubular body 31, as shown in Figure 7, this electric heating element 21 is outer peripheral edges or the inside of being located at this tubular body 31, will heat by liquid or the gas in this tubular body 31; Maybe this electric heating element 21 is arranged on the groove shape body 32, as shown in Figure 8, this electric heating element 21 is outer peripheral edges of being located at this groove shape body 32, the material (for example liquid or gas) of bearing in this groove shape body 32 is heated, and be applied to etching solution heating tank or household electrical appliances with facial vaporizer etc.; Perhaps this electric heating element 21 is arranged on the plates 33, as shown in Figure 9, and can be applicable to wafer samming heating plate; The plates 33 that perhaps plural number are provided with electric heating element 21 are installed in the box body 34, as shown in figure 10, this box body 34 be provided with communicate first, second opening 341,342, and in this box body 34 and be provided with plural fixed part 343 for fixing plates 33, and this is an opening part and be provided with fan 35 (being to be located at first opening among the embodiment as shown in the figure) wherein, cause air-flow by fan 35 towards box body 34 inside, make air-flow blow out the higher air-flow of temperature by second opening 342, and can be applicable to air-heater through plates 33 backs with electric heating element 21, the air cooking case, automotive fan heater, automobile Fog-removing mirror or bathroom Fog-removing mirror etc.

Claims

1. an electric heating element is characterized in that, is to include:

One has the made base material of high temperature insulation characteristic material;

One thermal resistance circuit, this thermal resistance circuit surface has the metal slurries layer, and the two ends of this thermal resistance circuit have one respectively for the electrode tip that electrically connects with external power source.

2. electric heating element as claimed in claim 1 is characterized in that, should be in order to constitute the material with insulation characterisitic of base material, be for quartz, pottery, crystallite porcelain, silica glass, silicon nitride glass, aluminium oxide one of them.

3. electric heating element as claimed in claim 1 is characterized in that, this metal slurries layer is to see through fabrography to be built in this substrate surface.

4. electric heating element as claimed in claim 1 is characterized in that, this metal slurries layer is to starch one of them for silver slurry or copper.

5. electric heating element as claimed in claim 1 is characterized in that, this external power source be for DC power supply or AC power one of them.

6. electric heating element as claimed in claim 5 is characterized in that, this DC power supply is a dry cell.

7. electric heating element as claimed in claim 5 is characterized in that, this AC power is a civil power.

8. electric heating element as claimed in claim 1 is characterized in that this electric heating element also is arranged on tubular body, groove shape body or the plates.

9. electric heating element as claimed in claim 1, it is characterized in that, this electric heating element also is arranged on the shape body, these plates further are installed in the box body, this box body is provided with first, second opening that communicates, and in this box body and be provided with plural number, and this opening part and be provided with fan wherein for the fixing fixed part of plates.