CN201797614U

CN201797614U - Structure of electric heating wire made of carbon fibers

Info

Publication number: CN201797614U
Application number: CN2010201718420U
Authority: CN
Inventors: 蔡宜寿; 刘宁和
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-27
Filing date: 2010-04-27
Publication date: 2011-04-13
Anticipated expiration: 2020-04-27

Abstract

The utility model relates to a structure of an electric heating wire made of carbon fibers, which comprises a heating piece and an insulating casing pipe covering the outside of the heating piece. The heating piece is a carbon fiber bundle or in the structure consisting of the carbon fiber bundle and at least one of a glass fiber bundle, a rock fiber bundle, a ceramic fiber bundle and a DuPont fiber bundle formed by wrapping, weaving or plying, each carbon fiber bundle consists of a plurality of carbon fiber yarns, and a metal granulated structure, a double-layer structure of metal layers, a double-structure with graphite layers or a porous structure can be arranged on the surface of each carbon fiber yarn. Accordingly, the electric heating wire structure has the advantages of increase of thermal conduction coefficient, or reduction of resistance, improved thermal diffusion coefficient, reduction of weight and improved moisture absorption, thereby being used for providing better electric heating efficiency.

Description

A kind of carbon fiber electric heating line structure

Technical field

The utility model relates to the carbon fiber electric heating line structure, more particularly, relate to a kind of structure of the carbon fiber wire in the carbon fiber bundle being constructed upgrading, a kind of increase coefficient of heat conduction or reduction resistance are provided, improve thermal diffusion coefficient, subtract and improve hygroscopic heating wire wire, with this in order to preferable electrothermal efficiency to be provided through weight.

Background technology

At present, can use for a lot of technology of having obtained of thermal source, for example: adopt heat exchange principle, it mainly utilizes the technology of compressor as heat exchange, and equipment cost that it spent and thermal source provide cost high, and economic benefit needs scrupulous assessment.

In addition, also have another kind of electroheat technology to adopt for obtaining of thermal source, being various industries and commodity thereof all has the high heating wire of being dependent on and uses carbon fiber electrothermal line widely now this electroheat technology, general electroheat technology heating principle mainly be utilize the galvanic circle via the conducting of electric current since its resistance characteristic to produce heat energy; Usually electric-heating assembly is mostly according to commercial form and demand, design this galvanic circle in advance with the predetermined installing space that coincide, the electric-heating assembly of this single form also can't one size fits all extensive stock demand, therefore will cause electric heating commodity production efficient to reach the problem that economic benefit can't effectively promote inadequately.When there was bigger heating demand in article, this heating component often must be with the mode of splicing, with some heating component serial connections, to meet the required efficiency of heating surface because of making the restriction of machine; There is the loading problem of voltage greatly again in this method, and the problems such as restriction of galvanic circle magnitude of current load.For example: the required efficiency of heating surface of 110V power supply is 1000W, and when being 35 Ω/cm with the resistance of heating component, heat energy is 345.7W, and therefore the power supply of about 318V need be provided; 10 Ω/when cm was following, its heat energy was 1210W when the resistance of heating component is reduced to; Therefore when effectively reducing the resistance of heating component, should effectively increase the heat efficiency.

The utility model content

The technological means of the technical problems to be solved in the utility model and use thereof is: propose a kind of carbon fiber electric heating line structure, it includes a heater and and is coated on the outer insulating sleeve of heater, and wherein said heater is carbon fiber bundle that many carbon fiber wires constituted or carbon fiber bundle and glass fiber bundle, rock fiber bundle, ceramic fibre bundle, Du Pont

At least a in the fibre bundle through holding, weave or the shaped structures of pooling capital.

In carbon fiber electric heating line structure described in the utility model, agent of low hygroscopicity and high-resistance shortcoming at existing carbon fiber heater wire, the high surface metallic particles shape structure that it mainly plates the carbon fiber wire outer surface in the above-mentioned carbon fiber electrothermal line metallic upgrading makes carbon fiber wire increase the coefficient of heat conduction and reduction resistance.

In carbon fiber electric heating line structure described in the utility model, agent of low hygroscopicity and high resistance at existing carbon fiber heater wire, it mainly carries out the carbon fiber wire in the aforementioned carbon fiber electrothermal line metal coating upgrading and handles the double-decker that is formed with metal level, makes carbon fiber wire increase the coefficient of heat conduction and reduction resistance.

In carbon fiber electric heating line structure described in the utility model, agent of low hygroscopicity and high resistance at existing carbon fiber heater wire, it mainly carries out the carbon fiber wire in the aforementioned carbon fiber electrothermal line high frequency (high frequency) upgrading and handles the surperficial graphited structure of formation, and carbon fiber wire is had than low resistance.

In carbon fiber electric heating line structure described in the utility model, agent of low hygroscopicity and high resistance at existing carbon fiber heater wire, the porous structure that it mainly carries out the carbon fiber wire in the carbon fiber electrothermal line pickling or alkali cleaning upgrading makes carbon fiber wire have preferable moisture absorption, thermal diffusion coefficient and weight reduction.

In carbon fiber electric heating line structure described in the utility model, what described insulating sleeve can be in heat-resistant tube or the woven tube is a kind of; Described heat-resistant tube can be in fluorine material elastic tube (fluoroelastomer), silicone tube (silicon tubing), PU pipe (polyurethane tubing), pvc pipe (Polyvinylchloride tubing), PE pipe (polyethylene tubing), PP pipe (polypropylene tubing), PET pipe (polyestertubing), Nylon pipe (polyamide tubing) or the PI pipe (polyimide tubing) a kind of; Described woven tube can be glass fiber bundle, rock fiber bundle, ceramic fibre bundle or Du Pont One or more combined knitting pipes in the fibre bundle.

Because the effect that described insulating sleeve except insulation electrical, also has the protection carbon fiber bundle to avoid friction and fracture; Wherein the water proofing property of heat-resistant tube is good, but thermal losses is big, is preferable selection when therefore being used in the water heating; And the braiding pipe makes heat distribute because of the space is arranged easily, the effect of the temperature of adjusting is arranged, so thermal losses is less, but water proofing property is poor, therefore is used in beyond the water, and for example clothes, fabric etc. are preferable selection.

In carbon fiber electric heating line structure described in the utility model, described woven tube is glass fiber bundle, rock fiber bundle, ceramic fibre bundle or Du Pont The woven tube of one of them of fibre bundle or more than one combinations.

In carbon fiber electric heating line structure described in the utility model, described metallic particles is spherical, bar-shaped, square, rectangle, triangle or other grain shape.

Implement carbon fiber electric heating line structure of the present utility model, have following beneficial effect: carbon fiber wire is had than low resistance; Make carbon fiber wire have preferable moisture absorption, thermal diffusion coefficient and weight reduction.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the schematic diagram of carbon fiber electric heating line structure of the present utility model;

Fig. 2 is the cross sectional representation of Fig. 1;

Fig. 3 is the structural representation of carbon fiber bundle;

Fig. 4 is the structural representation of a kind of plying of carbon fiber bundle;

Fig. 5 is the structural representation that the carbon fiber wire surface has the metallic particles shape of high surface;

Fig. 6 is the structural representation of metallic particles of the different shape of Fig. 5;

Fig. 7 is that carbon fiber wire is the double-decker schematic diagram that there is metal level on the surface;

Fig. 8 is that carbon fiber wire is the double-decker schematic diagram that there is graphite linings on the surface;

Fig. 9 is that carbon fiber wire is porous structural representation.

Embodiment

At first, as shown in Figures 1 and 2, wherein Fig. 1 is the schematic diagram of the carbon fiber electric heating line structure of utility model; Fig. 2 is the cross sectional representation of Fig. 1.Carbon fiber electric heating line structure as illustrated in fig. 1 and 2 includes a heater 10 and and is coated on the outer insulating sleeves 20 of heater 10 and constitutes; Described insulating sleeve 20 can be in heat-resistant tube or the woven tube one of them; Described heat-resistant tube can be in fluorine material elastic tube (fluoroelastomer), silicone tube (silicon tubing), PU pipe (polyurethane tubing), pvc pipe (Polyvinylchloride tubing), PE pipe (polyethylene tubing), PP pipe (polypropylenetubing), PET pipe (polyester tubing), Nylon pipe (polyamide tubing) or the PI pipe (polyimidetubing) one of them; Described woven tube can be glass fiber bundle, rock fiber bundle, ceramic fibre bundle or Du Pont

One or more combined knitting pipes in the fibre bundle, as shown in Figure 1.Described insulating sleeve also has the effect of protecting carbon fiber bundle to avoid friction and fracture except insulation electrical; Wherein the water proofing property of heat-resistant tube is good, but thermal losses is big, is preferable selection when therefore being used in the water heating; And woven tube makes heat distribute because of having the space easily, the effect of regulating temperature is arranged, so thermal losses is less, but water proofing property is poor, therefore is used in beyond the water, and for example clothes, fabric etc. are preferable selection.

Secondly, shown in Figure 3, the carbon fiber bundle that described heater 10 can be made of a plurality of carbon fiber wires 101; As shown in Figure 4, also can be among carbon fiber bundle 10a or carbon fiber bundle 10a and glass fiber bundle 10b, rock fiber bundle 10c, ceramic fibre bundle 10d, the fragrant polyamide fibre bundle 10e at least a through the structure that holds, weaves or the plying mode forms.

In addition, the utility model is in order to increase the coefficient of heat conduction and to reduce resistance, carbon fiber wire 101 in the carbon fiber bundle, as shown in Figure 5, carbon fiber wire 101 surfaces can be metallic particles shape structure, this metallic particles 102 can be any grain shape, as shown in Figure 6, can be spherical metal particles 102a, bar-shaped metallic particles 102b, square-shaped metal particle 102c, rectangular metal particle 102d, triangle metal particle 102e or other grain shape.As shown in Figure 7, carbon fiber wire 101 surfaces can be the double-decker of metal level 103.As shown in Figure 8, carbon fiber wire 101 surfaces can be the double-decker of graphite linings 104.As shown in Figure 9, carbon fiber wire 101 can be porous structure.

Therefore, implementing the technical solution of the utility model has the following advantages:

1. there is the metallic particles shape structure of high surface on carbon fiber wire of the present utility model surface, can reduce resistance and increase the coefficient of heat conduction.

2. there is the double-decker of metal level on carbon fiber wire of the present utility model surface, can reduce resistance and increase the coefficient of heat conduction.

3. there is the double-decker of graphite linings on carbon fiber wire of the present utility model surface, can reduce resistance and increase resistance to wear.

4. carbon fiber wire of the present utility model is porous structure, can improve thermal diffusion coefficient, weight reduction and improvement moisture absorption.

The utility model describes by several specific embodiments, it will be appreciated by those skilled in the art that, under the situation that does not break away from the utility model scope, can also carry out various conversion and be equal to alternative the utility model.In addition, at particular condition or concrete condition, can make various modifications to the utility model, and not break away from scope of the present utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole execution modes that fall in the utility model claim scope.

Claims

1. a carbon fiber electric heating line structure is characterized in that, comprises:

One heater, described heater are at least a through holding, weave or the shaped structures of pooling capital in carbon fiber bundle that many carbon fiber wires constituted or carbon fiber bundle and glass fiber bundle, rock fiber bundle, ceramic fibre bundle, the Du Pont's fibre bundle; And

One insulating sleeve, it is coated on outside the heater.

2. carbon fiber electric heating line structure according to claim 1 is characterized in that, described carbon fiber wire has the metallic particles shape structure of high surface for the surface.

3. carbon fiber electric heating line structure according to claim 1 is characterized in that, described carbon fiber wire has the double-decker of metal level for the surface.

4. carbon fiber electric heating line structure according to claim 1 is characterized in that, described carbon fiber wire has the double-decker of graphite linings for the surface.

5. carbon fiber electric heating line structure according to claim 1 is characterized in that, described carbon fiber wire is porous structure.

6. carbon fiber electric heating line structure according to claim 1 is characterized in that, described insulating sleeve is heat-resistant tube structure or woven tube structure.

7. carbon fiber electric heating line structure according to claim 6 is characterized in that, described heat-resistant tube is fluorine material elastic tube, silicone tube, PU pipe, pvc pipe, PE pipe, PP pipe, PET pipe, Nylon pipe or PI pipe.

8. carbon fiber electric heating line structure according to claim 6 is characterized in that, described woven tube is one of them of glass fiber bundle, rock fiber bundle, ceramic fibre bundle or Du Pont's fibre bundle or the woven tube of more than one combinations.

9. carbon fiber electric heating line structure according to claim 2 is characterized in that, described metallic particles is spherical, bar-shaped, square, rectangle or triangle.