CN204069386U - A kind of carbon fiber electric heating tube - Google Patents
A kind of carbon fiber electric heating tube Download PDFInfo
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- CN204069386U CN204069386U CN201420576383.2U CN201420576383U CN204069386U CN 204069386 U CN204069386 U CN 204069386U CN 201420576383 U CN201420576383 U CN 201420576383U CN 204069386 U CN204069386 U CN 204069386U
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- carbon fiber
- fibre tow
- carbon fibre
- electric heating
- carbon
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Abstract
The utility model relates to a kind of carbon fiber electric heating tube (100), it comprises quartz ampoule (101), carbon fiber exothermic part (102), brace (103), power lead (104), it is characterized in that, described carbon fiber exothermic part (102) is made up of spiral helicine carbon fiber pipe, and described carbon fiber pipe comprises the carbon fibre tow (105) of multiply braiding interlaced with each other.Carbon fiber electric heating tube resistor of the present utility model is adjustable, thermal radiation area is large, surface temperature is even.Carbon fiber exothermic part intensity of the present utility model is high, and the life-span is long.
Description
Technical field
The utility model relates to a kind of carbon fiber heating element, particularly relates to a kind of carbon fiber electric heating tube.
Background technology
Carbon fiber is applied in heating, heating aspect more and more with the far-infrared thermal radiation characteristic of its excellence.Carbon fiber exothermic part environmental protection, and the far infrared wave useful to health can be produced, be therefore more and more subject to liking of people, there is vast potential for future development.
At present, carbon fiber electric heating tube is the common carbon fiber heating elements of the rate of exchange on the market.The feature of carbon fiber electric heating tube is using carbon fiber filament as heater, take quartz glass tube as the electrothermal tube of shell, and the caliber of normally used adaptation glass tube is Φ 10mm, Φ 12mm, Φ 14mm, Φ 16mm, Φ 18mm etc.Carbon fiber wire is nonmetal wire, is generally polyacrylonitrile filament, and regular size is 1 ~ 24K carbon fiber.Carbon fibre materials is soft, the supporter by carbon fiber winding being fixed on tubulose is fixed (general supporter is the quartz glass tubes such as Φ 5mm, Φ 6mm, Φ 7mm, Φ 8mm).This makes, and processing technology is complicated, processing cost is high, rate of finished products is low, and once supporter breakage just makes whole product rejection in transportation.
In addition, the resistance value of carbon fiber is fixing with specification, and only have by length adjustment resistance value, adjusting range is limited, limits its range of application.
In the face of the problems referred to above, Chinese patent CN 101102625 B and CN 2938680 Y individually discloses a kind of production method of carbon fiber heating body for infrared heating tube and a kind of carbon fibre electric heating pipe.It is all that carbon fiber spinning, plying, rope making are woven into screw carbon fibre fabric, and are flooded one deck molding resin layer, and by regulating the number of share of stock of carbon fiber to regulate the resistance value of carbon fiber exothermic part when producing.The method achieves progress in adjustment carbon fiber resistance, by adjustment carbon fiber plying number of share of stock, can increase its resistance range, overcome the limitation of carbon fiber application.But the carbon fiber knit mode of the method is the mode forming braid over braid, and knitting width is limited, if increase width directly can cause the increase of product structure simply, inapplicable for the powerful carbon fiber electric heater of gadget.And its intensity of the carbon fiber of band shape is not high, easily fractures when being reversed into helical form.May be there is the phenomenon that heater is sagging in the prolongation along with the operating time, make heater and quartz ampoule contact internal walls, produces excessive temperature and damage quartz ampoule in local.
Utility model content
For the deficiency of above prior art, problem to be solved in the utility model is to provide that a kind of resistance is adjustable, intensity is high, the uniform carbon fiber electric heating tube of good toughness, surface temperature.Concrete scheme is as follows:
Carbon fiber electric heating tube of the present utility model, described carbon fiber electric heating tube comprises quartz ampoule, carbon fiber exothermic part, brace and power lead, it is characterized in that, described carbon fiber exothermic part is spirally arranged in described quartz ampoule, and described carbon fiber exothermic part is the three-dimensional tubular structure of one or more layers carbon fibre tow formation interlaced with each other.
According to a preferred implementation, described carbon fibre tow comprises radial carbon fibre tow and broadwise carbon fibre tow, described broadwise carbon fibre tow arranges in the shape of a spiral, described radial carbon fibre tow interts between described broadwise carbon fibre tow along the axis of carbon fiber exothermic part, thus forms the carbon fiber exothermic part with three-dimensional tubular structure.
According to a preferred implementation, described carbon fibre tow comprises the first carbon fibre tow and the second carbon fibre tow, described first carbon fibre tow and described second carbon fibre tow to weave in the mode of opposite direction spiral winding each other, and are the angle of 30 ~ 90 degree between described first carbon fibre tow and described second carbon fibre tow.
According to a preferred implementation, described quartz ampoule surface is provided with one deck high-temperaure coating.
According to a preferred implementation, described carbon fibre tow is shaping in the mode of twisting.
According to a preferred implementation, the surface impregnation of described carbon fiber exothermic part has molding resin layer.
According to a preferred implementation, described carbon fibre tow is polyacrylonitrile filament and/or viscose glue base short fiber.
According to a preferred implementation, the carbon fibre tow formed by viscose glue base short fiber, its length range is between 50 ~ 200mm.
According to a preferred implementation, the twisted and plied number of share of stock scope of described carbon fibre tow is 3 ~ 10 strands.
According to a preferred implementation, the number of share of stock scope that described carbon fibre tow braiding forms described carbon fiber pipe is 20 ~ 90 strands.
According to a preferred implementation, the two ends of described carbon fiber exothermic part are conducted electricity with described power lead by described brace and are connected.
Carbon fiber exothermic part of the present utility model is by the tubular structure of carbon fibre tow weaving, the carbon fiber exothermic part banded with braiding compare there is higher intensity, the resistance value scope thermal radiation area that is larger, carbon fiber exothermic part that can regulate is larger, its surface temperature is more even simultaneously.Quartz ampoule of the present utility model is externally coated with one deck high-temperaure coating, greatly strengthen the thermal effect of short infrared, more effectively utilizes infrared radiation, improves infrared ray and exports, make infra-red intensity higher, thus more energy-conservation.
Accompanying drawing explanation
Fig. 1 is the structural representation of carbon fiber electric heating tube of the present utility model;
Fig. 2 is the cutaway view of carbon fiber electric heating tube of the present utility model;
Fig. 3 is the cutaway view of the carbon fiber exothermic part of carbon fiber electric heating tube of the present utility model;
Fig. 4 is the structure chart of the carbon fiber pipe of carbon fiber electric heating tube of the present utility model;
Fig. 5 is the structure chart of the carbon fiber pipe of carbon fiber electric heating tube of the present utility model;
Fig. 6 is the vertical view of the carbon fiber pipe of carbon fiber electric heating tube of the present utility model; With
Fig. 7 is the Local map of the carbon fiber pipe of carbon fiber electric heating tube of the present utility model.
Reference numerals list
100: carbon fiber electric heating tube 101: quartz ampoule 102: carbon fiber exothermic part
103: brace 104: power lead 105: carbon fibre tow
105a: radial carbon fibre tow 105b: broadwise carbon fibre tow
105c: the first carbon fibre tow 105d: the second carbon fibre tow
Embodiment
The utility model is illustrated below in conjunction with accompanying drawing.
Fig. 1 shows carbon fiber electric heating tube 100 of the present utility model.Carbon fiber electric heating tube 100 comprises quartz ampoule 101, carbon fiber exothermic part 102, brace 103 and power lead 104.Carbon fiber exothermic part 102 is spirally arranged in quartz ampoule 101.Carbon fiber exothermic part 102 is three-dimensional tubular structures of one or more layers carbon fibre tow 105 formation interlaced with each other.
Fig. 4 shows a preferred embodiment of the utility model carbon fiber exothermic part 102.As shown in Figure 4, carbon fibre tow 105 comprises radial carbon fibre tow 105a and broadwise carbon fibre tow 105b.Broadwise carbon fibre tow 105b arranges in the shape of a spiral.Two adjacent beam diameters can leave gap between carbon fibre tow 105a or broadwise carbon fibre tow 105b.Radial carbon fibre tow 105a interts between broadwise carbon fibre tow 105b along the axis of carbon fiber exothermic part 102, thus forms the carbon fiber exothermic part 102 with three-dimensional tubular structure.
Fig. 5 shows another preferred embodiment of the utility model carbon fiber exothermic part 102.As shown in Figure 5, carbon fibre tow 105 comprises the first carbon fibre tow 105c and the second carbon fibre tow 105d.First carbon fibre tow 105c and the second carbon fibre tow 105d is to weave in the mode of opposite direction spiral winding each other.In the angle of 30 ~ 90 degree between first carbon fibre tow 105c and the second carbon fibre tow 105d.Preferred angle is: 30 degree, 45 degree, 60 degree and 90 degree.Fig. 5 shows the embodiment be wound around in 90 degree of angles, and according to the weaving manner shown in Fig. 5, those skilled in the art easily should expect the weaving manner of 30 degree, 45 degree and 60 degree and other angles.
Fig. 3 is the cutaway view of carbon fiber exothermic part.Carbon fibre tow 105 winding interlaced with each other, is woven into the carbon fiber structural of tubulose.Under same size condition, the carbon fiber exothermic part of tubulose has the carbon fibre tow of more multiply than banded carbon fiber exothermic part, can provide larger resistance value scope and thermal radiation area, and its intensity is higher, thus makes the longer service life of carbon fiber electric heating tube.
According to the preferred embodiment do not shown in a figure, quartz ampoule 101 surface is provided with high-temperaure coating.Exactly, the tube wall surface of quartz ampoule 101 is coated with the high temperature resistant far infrared coating of one deck.This coating is prepared from by pure inorganic compound, as nano ceramics cenosphere.High-temperaure coating adhesive force of the present utility model is good, hard, do not ftracture, non-foaming, volatilize without organic gas simultaneously, environment friendly and pollution-free.High temperature resistant far infrared coating can strengthen ultrared thermal effect greatly, improves radiation efficiency, energy-conservation, thus can extend the useful life of quartz ampoule.
According to a preferred implementation, carbon fibre tow 105 is shaping in the mode of twisting.Carbon fibre tow after twisting effectively can improve the intensity of carbon fiber pipe, avoids being fractureed in the process being processed into carbon fiber exothermic part 102, thus can effectively reduce scrappage, enhances productivity.And the carbon fibre tow through twisting pool capital, the carbon fiber pipe that is woven into is when the spiral helicine carbon fiber exothermic part of formation, carbon fibre tow is not easily loose, make the structure of carbon fiber exothermic part more stable and firm, long-time maintenance is stable, and carbon fiber exothermic part is not sagging.
According to the preferred embodiment do not shown in figure, the surface impregnation of carbon fiber exothermic part 102 has molding resin layer, to guarantee that carbon fiber exothermic part 102 is in stable spiral status.This molding resin layer solidifies sintering by the mixed liquor of liquid phenolic resin and alcohol.
According to a preferred implementation, carbon fibre tow 105 can be polyacrylonitrile filament fiber, viscose glue base short fiber or the mixture of the two.
According to a preferred implementation, the carbon fibre tow 105 formed by viscose glue base short fiber, its length range is between 50 ~ 200mm.
According to a preferred implementation, the twisted and plied number of share of stock scope of carbon fibre tow 105 is 3 ~ 10 strands.
According to a preferred implementation, it is 20 ~ 90 strands that carbon fibre tow 105 weaves the number of share of stock scope forming carbon fiber pipe.
According to a preferred implementation, in quartz ampoule 101, be filled with inert gas.
Embodiment
Carbon fiber electric heating tube of the present utility model is formed mainly through following steps:
Step one: the twisted and plied one-tenth carbon fibre tow of carbon fiber wire that multiply is twisted;
Step 2: the multi-strand carbon fiber tow formed by step 1 is woven into the carbon fiber pipe of hollow-core construction, a preferred embodiment as shown in Fig. 4 or Fig. 5, on the whole, carbon fiber pipe is formed by the braiding interlaced with each other of multi-strand carbon fiber tow, on individuality, along body, helically form and other carbon fibre tows are wound around per share carbon fibre tow;
Step 3: hollow carbon fiber pipe is spirally wound on columned supporter;
Step 4: the supporter being wound with carbon fiber pipe is immersed in the liquid for shaping, this liquid can be the mixed liquor of phenolic acid resin and alcohol, also can be epoxy resin, polyvinyl alcohol resin or furane resins;
Step 5: to be impregnated have the carbon fiber pipe of molding resin layer shaping after, make its sinter molding under inert atmosphere or vacuum environment, then take off supporter, just obtain carbon fiber exothermic part of the present utility model.
What deserves to be explained is, during vacuum-sintering, carbon fiber exothermic part of the present utility model is sinter molding under vacuum furnace, and adopts the mode of the heating that heats up gradually, and heating rate controls at 120 ~ 140 DEG C/min, and sintering temperature is 2100 ~ 2400 DEG C.
It should be noted that; above-mentioned specific embodiment is exemplary; under above-mentioned instruction of the present utility model, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion drops in protection range of the present utility model.It will be understood by those skilled in the art that specific descriptions are above to explain the purpose of this utility model, not for limiting the utility model.Protection range of the present utility model is by claim and equivalents thereof.
Claims (10)
1. a carbon fiber electric heating tube, described carbon fiber electric heating tube (100) comprises quartz ampoule (101), carbon fiber exothermic part (102), brace (103) and power lead (104), it is characterized in that, described carbon fiber exothermic part (102) is spirally arranged in described quartz ampoule (101), and described carbon fiber exothermic part (102) is the three-dimensional tubular structure of one or more layers carbon fibre tow (105) formation interlaced with each other.
2. carbon fiber electric heating tube as claimed in claim 1, it is characterized in that, described carbon fibre tow (105) comprises radial carbon fibre tow (105a) and broadwise carbon fibre tow (105b), described broadwise carbon fibre tow (105b) arranges in the shape of a spiral, described radial carbon fibre tow (105a) is interted between described broadwise carbon fibre tow (105b) along the axis of carbon fiber exothermic part (102), thus forms the carbon fiber exothermic part (102) with three-dimensional tubular structure.
3. carbon fiber electric heating tube as claimed in claim 1, it is characterized in that, described carbon fibre tow (105) comprises the first carbon fibre tow (105c) and the second carbon fibre tow (105d), described first carbon fibre tow (105c) and described second carbon fibre tow (105d) to weave in the mode of opposite direction spiral winding each other, and are the angle of 30 ~ 90 degree between described first carbon fibre tow (105c) and described second carbon fibre tow (105d).
4. carbon fiber electric heating tube as claimed in claim 2 or claim 3, it is characterized in that, described quartz ampoule (101) surface is provided with high-temperaure coating.
5. carbon fiber electric heating tube as claimed in claim 4, it is characterized in that, described carbon fibre tow (105) is shaping in the mode of twisting.
6. carbon fiber electric heating tube as claimed in claim 5, it is characterized in that, the surface impregnation of described carbon fiber exothermic part (102) has molding resin layer.
7. carbon fiber electric heating tube as claimed in claim 6, it is characterized in that, the carbon fibre tow (105) formed by viscose glue base short fiber, its length range is between 50 ~ 200mm.
8. carbon fiber electric heating tube as claimed in claim 7, is characterized in that, the twisted and plied number of share of stock scope of described carbon fibre tow (105) is 3 ~ 10 strands.
9. carbon fiber electric heating tube as claimed in claim 8, is characterized in that, the number of share of stock scope that described carbon fibre tow (105) braiding forms described carbon fiber pipe is 20 ~ 90 strands.
10. carbon fiber electric heating tube as claimed in claim 9, is characterized in that, the two ends of described carbon fiber exothermic part (102) are conducted electricity with described power lead (104) by described brace (103) and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576383.2U CN204069386U (en) | 2014-10-03 | 2014-10-03 | A kind of carbon fiber electric heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576383.2U CN204069386U (en) | 2014-10-03 | 2014-10-03 | A kind of carbon fiber electric heating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204069386U true CN204069386U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420576383.2U Expired - Fee Related CN204069386U (en) | 2014-10-03 | 2014-10-03 | A kind of carbon fiber electric heating tube |
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| Country | Link |
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| CN (1) | CN204069386U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111174426A (en) * | 2020-02-14 | 2020-05-19 | 山东建筑大学 | Carbon fiber light wave air heater with high heat dissipation efficiency |
| CN112725962A (en) * | 2020-12-24 | 2021-04-30 | 武汉鑫碳科技有限公司 | Process, equipment and application for sizing and twisting spread carbon fiber tows |
| CN112867185A (en) * | 2021-01-27 | 2021-05-28 | 陕西华东电锅炉制造有限公司 | Preparation method of high-strength heat accumulating type electric boiler electric heating element |
-
2014
- 2014-10-03 CN CN201420576383.2U patent/CN204069386U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111174426A (en) * | 2020-02-14 | 2020-05-19 | 山东建筑大学 | Carbon fiber light wave air heater with high heat dissipation efficiency |
| CN112725962A (en) * | 2020-12-24 | 2021-04-30 | 武汉鑫碳科技有限公司 | Process, equipment and application for sizing and twisting spread carbon fiber tows |
| CN112867185A (en) * | 2021-01-27 | 2021-05-28 | 陕西华东电锅炉制造有限公司 | Preparation method of high-strength heat accumulating type electric boiler electric heating element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20181003 |
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| CF01 | Termination of patent right due to non-payment of annual fee |