CN2899365Y - Carbon-fibre felt electric heater - Google Patents
Carbon-fibre felt electric heater Download PDFInfo
- Publication number
- CN2899365Y CN2899365Y CN 200620013046 CN200620013046U CN2899365Y CN 2899365 Y CN2899365 Y CN 2899365Y CN 200620013046 CN200620013046 CN 200620013046 CN 200620013046 U CN200620013046 U CN 200620013046U CN 2899365 Y CN2899365 Y CN 2899365Y
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- China
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- carbon fiber
- fiber felt
- electric heater
- heat
- heat pipe
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Abstract
The utility model relates to a carbon-fibre felt electric heater, comprising a carbon-fibre felt with fixed electrodes, and the fixed electrodes are connected to the cable for power supply. High-temperature isolation material covering the surface of the carbon-fibre felt is stuck to the side of surface with a heat-conducting element. The heat-conducting element can be a mica board enclosed hermetically by a steel board to form a rigid carbon-fibre felt electric heater. The heat-conducting element can also be a heat-conducting tube, and the carbon-fibre felt is stuck to the inner wall or/and the outer wall to form a carbon-fibre felt electric heater of one-way or two-way heat-exchanging function. The utility model has the advantages of realization of even plane heating, quick temperature rising, higher heating effect and work efficiency, and can be used to evenly heat liquid, fluid, furthermore, the utility model is of long life-span.
Description
Technical field
The utility model relates to a kind of carbon fiber felt electric heater unit, especially refers to directly apply to the even heating of liquid, fluid, and the electric heater unit of long service life.
Background technology
Traditional electric heater unit mainly is resistance wire, heating cable etc. before the utility model.Wherein, resistance wire is the heating element that utilizes metallic conductor electric heating characteristic to make; Heating cable is to handle the heater element that forms with the cable form by insulation protection by special exothermic material.Bodies such as that this two classes electric heater unit is generally is linear, tubular, clavate.Because heating area is little, can only heat the heated object part, by heat conduction the heated object other parts is heated again.The shortcoming of this mode is: heated object is heated inhomogeneous, and programming rate is slow, and the heat efficiency is low, and power consumption is big.
In order to solve the limited problem of heater area, planar heat producing bodies such as Electric radiant Heating Film, electrothermal paper, electric heating cloth have appearred again.Wherein, Electric radiant Heating Film is that special exothermic material is printed on the pure resistance formula electric heating element of making between the two-layer insulation film; Electrothermal paper is the paper shape heating material that carbon fiber and paper pulp fiber are mixed and made into; Electric heating cloth is to be the cloth shape heating material that material is made into the carbon fiber.Though this class heater can be accomplished planar heating, surface temperature is inhomogeneous, be difficult to long-term work under the condition more than 100 degrees centigrade, and useful life is short.
Carbon fiber felt is a kind of thick 1 to the 16 millimeter felt body of making after former felt process thermostabilization and the carbonization treatment.Its feature be thermal capacity little, heat up, cooling rapidly, stable performance under hot conditions especially, maximum operation (service) temperature reaches 1800 ℃-2500 ℃ under vacuum or inert atmosphere, and long service life.Carbon fiber felt is also inequality because of different performance, the purposes of making of its production technology and selected materials.As water proofing property, non-oxidizability, high temperature resistant, flexibility or the like.
The utility model content
The purpose of this utility model is at the existing defective of existing electric heater unit, and a kind of carbon fiber felt electric heater unit is provided, and this electric heater unit can be realized planar even heating, rapid, energy-conservation and long service life heats up.
For achieving the above object, the utility model provides a kind of carbon fiber felt electric heater unit, comprise the carbon fiber felt that is connected with electrode, draw feed cable, described carbon fiber felt surface is coated with high-temperature insulating layer, this carbon fiber felt is laid in the surface of heat carrier one side, makes carbon fiber felt and be heated the liquid branch to be in this heat carrier both sides.Described heat conduction can be metallic plate or heat pipe.
Learn that by above explanation compare with existing electric heater unit, the utility model carbon fiber felt electric heater unit has the following advantages:
1, planar even heating, heats is good, and programming rate is fast, increases work efficiency;
2, energy conversion efficiency height, utilization efficiency of heat energy are more than 99%, and power consumption only is about 60% of a traditional electrical heater, and energy-saving effect is remarkable;
3, reach decades useful life, reduce the working unit cost;
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the schematic cross-section of the utility model embodiment 1;
Fig. 2 is the schematic cross-section of the utility model embodiment 2;
Fig. 3 is the schematic cross-section of the utility model embodiment 3;
Fig. 4 is the schematic cross-section of the utility model embodiment 4;
Fig. 5 is the schematic cross-section of the utility model embodiment 5;
Fig. 6 is the outer surface schematic perspective view of the utility model embodiment 5.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Embodiment
Embodiment 1:
As shown in Figure 1, be heated the liquid thermally equivalent in order to make, the utility model provides a kind of carbon fiber felt electric heater unit, comprise the carbon fiber felt 4 that is connected with electrode 1, draw feed cable (not marking among the figure) by electrode 1, described carbon fiber felt 4 surfaces are coated with high-temperature insulating layer 3, and this carbon fiber felt 4 is laid in the surface of heat carrier 2 one sides, make carbon fiber felt 4 and be heated the liquid branch to be in this heat carrier 2 both sides.Carbon fiber felt 4 generates heat after energising, and heat energy passes to heat carrier 2 by heat conduction and infrared emanation mode, and 2 pairs of liquid of this heat carrier evenly heat.
Embodiment 2:
As shown in Figure 2, present embodiment provides a kind of certain degree of hardness, indeformable rigid carbon-fiber felt electric heater unit when heating.At first the difference that needs by product purpose is cut into different bodies with carbon fiber felt 4, as circle concavity, discoideus, strip or strip spirality or the like; Fix electrode 1 at the body two ends with high-temperature electric conduction glue, draw feed cable (not marking among the figure) simultaneously; It is identical with the carbon fiber felt profile that cuts then micarex 5 (or non-conductive fibre such as cloth, glue, felt etc.) to be made into profile, is every limit planar materials wideer 3 to 7 millimeters than carbon fiber felt.If micarex is more too small than the width that the every hem width of carbon fiber felt goes out, then be easy to generate electric leakage; Width is excessive then to influence effective heating surface (area) (HS.Then smooth the sticking in the middle of the two-layer micarex 5 (or non-conductive fibre such as cloth, glue, felt etc.) of the carbon fiber felt 4 usefulness high-temp glue viscosity resins that connect electrode; Treat to wrap up with anticorrosion carbon steel sheet 6 deadends after its full solidification, and in the enclosure space that anticorrosion carbon steel sheet 6 forms, fill inert gas, to improve the operating temperature range of this device.
Carbon fiber felt 4 generates heat after energising, and the micarex 5 by both sides (or non-conductive fibre such as cloth, glue, felt etc.) is given the sealing steel plate with the heat conduct radiation, realizes the even heating to liquid.
Embodiment 3:
As shown in Figure 3, present embodiment provides a kind of flexible carbon fiber felt electric heater unit that can deformation.At first carbon fiber felt 4 two ends are fixed electrode 1 with high-temperature electric conduction glue, draw feed cable (not marking among the figure) simultaneously; Be coated with the watertight composition 7 (as the high-temp glue viscosity resin) that one deck has excellent heat conductivity, insulating properties then on the carbon fiber felt surface.Handle the same heatproof in back, fit together is made into composite material to wear-resisting lining 8 (as fiber, plastics, rubber etc.).Be that internal layer is a carbon fiber felt 4, skin is heatproof, wear-resisting lining 8.Carbon fiber felt energising back heating is evenly heated whole fabric by heat conduction and thermal radiation.Can also select have in addition the lining of other characteristics according to different needs, as soft, the color and luster degree is good, has waterproof, ventilative, protection effect etc.
Embodiment 4:
As shown in Figure 4, in order to realize that the fluid in the body of flowing through is heated, present embodiment provides a kind of tubulose carbon fiber felt electric heater unit.Outer wall at first heat pipe 9 evenly is coated with or pastes one deck insulating heat-conductive layer 3, after waiting to solidify carbon fiber felt 4 is twined, wraps up or stick on first heat pipe, 9 outer walls; With conducting resinl with electrode 1 respectively in carbon fiber felt two ends firm fixation, and draw feed cable (not marking among the figure); Be coated with one deck high-temperature insulating layer 10 in carbon fiber felt 4 outer wall surface.This carbon fiber felt electric heater unit only heats the fluid of the first heat pipe inside of flowing through, so be called unidirectional heat exchange carbon fiber felt tubulose electric heater unit.
Carbon fiber felt 4 generates heat after energising, by heat conduction and thermal radiation effect first heat pipe 9 is heated; This first heat pipe 9 evenly heats the liquid of these heat pipe 9 inside of flowing through by the conduction of heat of self then.Because of carbon fiber felt 4 twines the conductive coil that forms, the energising back can produce magnetization to heated fluid in first heat pipe, the 9 inner magnetic fields that form simultaneously.In addition, carbon fiber felt 4 can also be twined, wraps up or be pasted on first heat pipe, 9 inwalls, connection electrode that uses the same method 1 and lead.Behind the heating power, the fluid of first heat pipe, 9 outsides of flowing through is evenly heated.
Embodiment 5
As Fig. 5, shown in Figure 6, in order to realize that the inside and outside fluid of the heat pipe of flowing through is simultaneously evenly heated, present embodiment provides another kind of two-way heat exchange carbon fiber felt tubulose electric heater unit.This device is based on above-mentioned unidirectional heat exchange carbon fiber felt tubulose electric heater unit among the embodiment 4, at the described carbon fiber felt 4 outer walls second suitable heat pipe 11 of suit bore again, described carbon fiber felt 4 outer walls and this second heat pipe, 11 inwalls is fitted tightly.Ring flange 13 deadends of the tube wall two ends of first heat pipe 9 and second heat pipe 11.In the enclosure space that between first heat pipe 9, second heat pipe 11 and ring flange 13, forms, fill a certain amount of inert gas, to improve the operating temperature range of this device.
Carbon fiber felt 4 energising back heatings, heat energy passes to first heat pipe 9 and second heat pipe 11 simultaneously by heat conduction and thermal radiation, simultaneously first heat pipe, 9 fluids inner and second heat pipe, 11 outsides of flowing through is evenly heated.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.
Claims (10)
1, a kind of carbon fiber felt electric heater unit comprises the carbon fiber felt that is connected with electrode, and electrode connects feed cable, and it is characterized in that: the carbon fiber felt surface is coated with high-temperature insulating layer, and this carbon fiber felt is laid in the surface of heat carrier one side.
2, carbon fiber felt electric heater unit according to claim 1 is characterized in that: described carbon fiber felt is folded in the middle of the two-layer micarex, and the side surface that described micarex does not contact carbon fiber felt is laid with sheet-metal layers.
3, carbon fiber felt electric heater unit according to claim 2 is characterized in that: described carbon fiber felt is set to narrower 3 to 7 millimeters than the every limit of described micarex.
4, carbon fiber felt electric heater unit according to claim 3, it is characterized in that: described carbon fiber felt and micarex are enclosed in the sheet-metal layers, are filled with inert gas in the described sheet-metal layers enclosure space.
5, carbon fiber felt electric heater unit according to claim 1 is characterized in that: described carbon fiber felt surface is coated with watertight composition.
6, carbon fiber felt electric heater unit according to claim 1 or 5, it is characterized in that: described carbon fiber felt and heatproof and/or wear-resisting lining are compound.
7, carbon fiber felt electric heater unit according to claim 1 is characterized in that: described heat carrier is first heat pipe, and described carbon fiber felt is laid in this first heat pipe outer wall.
8, carbon fiber felt electric heater unit according to claim 7 is characterized in that: described carbon fiber felt outer wall is arranged with second heat pipe, and this second heat pipe inwall and described carbon fiber felt outer wall fit tightly.
9, carbon fiber felt electric heater unit according to claim 8, it is characterized in that: the tube wall of described first heat pipe and second heat pipe is sealed at both ends ring flange, is filled with inert gas in the enclosure space that forms between described first heat pipe, second heat pipe and the ring flange.
10, carbon fiber felt electric heater unit according to claim 1 is characterized in that: described heat carrier is first heat pipe, and described carbon fiber felt is laid in the described first heat pipe inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013046 CN2899365Y (en) | 2006-04-26 | 2006-04-26 | Carbon-fibre felt electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013046 CN2899365Y (en) | 2006-04-26 | 2006-04-26 | Carbon-fibre felt electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2899365Y true CN2899365Y (en) | 2007-05-09 |
Family
ID=38074694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620013046 Expired - Fee Related CN2899365Y (en) | 2006-04-26 | 2006-04-26 | Carbon-fibre felt electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2899365Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780672A (en) * | 2016-03-14 | 2016-07-20 | 岩土科技股份有限公司 | Heating device for prestress steel plate and control method |
| CN106556539A (en) * | 2015-09-29 | 2017-04-05 | 中国飞机强度研究所 | Test method TPS tested with flexible heater material |
| CN107046741A (en) * | 2017-05-19 | 2017-08-15 | 连云港磐石复合材料有限公司 | A kind of flexible sheet carbon fiber exothermic part |
| CN114567941A (en) * | 2022-03-11 | 2022-05-31 | 郑州大学 | Method for preparing electrothermal heating sheet by using carbon fiber braided fabric leftover material |
-
2006
- 2006-04-26 CN CN 200620013046 patent/CN2899365Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556539A (en) * | 2015-09-29 | 2017-04-05 | 中国飞机强度研究所 | Test method TPS tested with flexible heater material |
| CN105780672A (en) * | 2016-03-14 | 2016-07-20 | 岩土科技股份有限公司 | Heating device for prestress steel plate and control method |
| CN107046741A (en) * | 2017-05-19 | 2017-08-15 | 连云港磐石复合材料有限公司 | A kind of flexible sheet carbon fiber exothermic part |
| CN107046741B (en) * | 2017-05-19 | 2023-08-22 | 连云港长运纺织材料有限公司 | Flexible sheet carbon fiber heating element |
| CN114567941A (en) * | 2022-03-11 | 2022-05-31 | 郑州大学 | Method for preparing electrothermal heating sheet by using carbon fiber braided fabric leftover material |
| CN114567941B (en) * | 2022-03-11 | 2024-03-15 | 郑州大学 | Method for preparing electrothermal heating sheet by utilizing carbon fiber braided fabric leftover materials |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070509 Termination date: 20120426 |