CN101616514B - Linear heat source - Google Patents

Linear heat source Download PDF

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Publication number
CN101616514B
CN101616514B CN2008100680762A CN200810068076A CN101616514B CN 101616514 B CN101616514 B CN 101616514B CN 2008100680762 A CN2008100680762 A CN 2008100680762A CN 200810068076 A CN200810068076 A CN 200810068076A CN 101616514 B CN101616514 B CN 101616514B
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CN
China
Prior art keywords
heat source
line heat
heating
zone
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN2008100680762A
Other languages
Chinese (zh)
Other versions
CN101616514A (en
Inventor
冯辰
刘锴
姜开利
范守善
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Hongfujin Precision Industry Shenzhen Co Ltd
Original Assignee
Tsinghua University
Hongfujin Precision Industry Shenzhen Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua University, Hongfujin Precision Industry Shenzhen Co Ltd filed Critical Tsinghua University
Priority to CN2008100680762A priority Critical patent/CN101616514B/en
Priority to US12/456,071 priority patent/US20100126985A1/en
Priority to EP09162562.4A priority patent/EP2136603B1/en
Priority to KR1020090053461A priority patent/KR20090131652A/en
Priority to JP2009154348A priority patent/JP5638207B2/en
Priority to US12/460,852 priority patent/US20100140258A1/en
Priority to US12/460,848 priority patent/US20100000985A1/en
Priority to US12/460,858 priority patent/US20100000988A1/en
Priority to US12/460,853 priority patent/US20090321419A1/en
Priority to US12/460,869 priority patent/US20100139845A1/en
Priority to US12/460,868 priority patent/US20090321421A1/en
Priority to US12/460,817 priority patent/US20100108664A1/en
Priority to US12/460,867 priority patent/US20090314765A1/en
Priority to US12/460,849 priority patent/US20100000986A1/en
Priority to US12/460,859 priority patent/US20100000989A1/en
Priority to US12/460,871 priority patent/US20100230400A1/en
Priority to US12/460,854 priority patent/US20090321420A1/en
Priority to US12/460,855 priority patent/US20100000987A1/en
Priority to US12/460,851 priority patent/US20090321418A1/en
Priority to US12/460,850 priority patent/US20100140257A1/en
Priority to US12/460,870 priority patent/US20100000990A1/en
Priority to US12/462,155 priority patent/US20100140259A1/en
Priority to US12/462,188 priority patent/US20100139851A1/en
Publication of CN101616514A publication Critical patent/CN101616514A/en
Priority to US12/655,507 priority patent/US20100122980A1/en
Priority to US12/658,237 priority patent/US20100154975A1/en
Priority to US12/658,193 priority patent/US20100147829A1/en
Priority to US12/658,184 priority patent/US20100147828A1/en
Priority to US12/658,182 priority patent/US20100147827A1/en
Priority to US12/658,198 priority patent/US20100147830A1/en
Priority to US12/660,356 priority patent/US20110024410A1/en
Priority to US12/660,820 priority patent/US20100163547A1/en
Priority to US12/661,165 priority patent/US20100170891A1/en
Priority to US12/661,133 priority patent/US20100200568A1/en
Priority to US12/661,115 priority patent/US20100200567A1/en
Priority to US12/661,110 priority patent/US20100218367A1/en
Priority to US12/661,150 priority patent/US20100170890A1/en
Priority to US12/661,926 priority patent/US20100187221A1/en
Priority to US12/750,186 priority patent/US20100180429A1/en
Application granted granted Critical
Publication of CN101616514B publication Critical patent/CN101616514B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
    • H05B2214/04—Heating means manufactured by using nanotechnology

Abstract

The invention relates to a linear heat source, which comprises a linear substrate, a heating layer arranged on the surface of the linear substrate, and two electrodes arranged on the surface of the heating layer at intervals and electrically connected with the heating layer respectively, wherein the heating layer comprises at least one carbon nanotube long line.

Description

Line heat source
Technical field
The present invention relates to a kind of line heat source, relate in particular to a kind of line heat source based on carbon nano-tube.
Background technology
Thermal source plays an important role in people's production, life, scientific research.Line heat source is one of thermal source of using always, is widely used in fields such as electric heater, infrared therapeutic apparatus, electric heater.
See also Fig. 1, prior art provides a kind of line heat source 10, and it comprises a hollow cylindrical support 102; One zone of heating 104 is arranged at this support 102 surfaces, and an insulating protective layer 106 is arranged at this zone of heating 104 surfaces; Two electrodes 110 are arranged at support 102 two ends respectively, and are electrically connected with zone of heating 104; Two clamping elements 108 fix two electrodes 110 and zone of heating 104 at support 102 two ends respectively.Wherein, zone of heating 104 adopts a carbon fiber paper to form by the mode of twining or wrap up usually.When applying a voltage by 110 pairs of these line heat sources 10 of two electrodes, described zone of heating 104 produces Joule heat, and carries out thermal radiation towards periphery.Described carbon fiber paper comprises paper base material and is distributed in asphalt base carbon fiber in this paper base material in a jumble.Wherein, paper base material comprises the mixture of cellulose fiber peacekeeping resin etc., and the diameter of asphalt base carbon fiber is 3～6 millimeters, and length is 5～20 microns.
Yet, adopt carbon fiber paper to have following shortcoming as zone of heating: the first, carbon fiber paper thickness is bigger, is generally tens microns, makes line heat source be difficult for making microstructure, can't be applied to the heating of microdevice.The second, owing to comprised paper base material in this carbon fiber paper, so the density of this carbon fiber paper is bigger, weight is big, makes the line heat source that adopts this carbon fiber paper use inconvenience.The 3rd, because the asphalt base carbon fiber in this carbon fiber paper distributes in a jumble, so the intensity of this carbon fiber paper is less, flexibility is relatively poor, breaks easily, and having limited it should have scope.The 4th, the electric conversion efficiency of carbon fiber paper is lower, is unfavorable for energy-conserving and environment-protective.
In view of this, necessaryly provide a kind of line heat source, this line heat source weight is less, and intensity is big, can make microstructure, is applied to the heating of microdevice, and electric conversion efficiency is lower, is beneficial to energy-conserving and environment-protective.
Summary of the invention
A kind of line heat source comprises a wire substrate, and a zone of heating is arranged at the surface of wire substrate, and two electrode gap are arranged at the surface of zone of heating, and is electrically connected with this zone of heating respectively, and wherein, described zone of heating comprises at least one carbon nanotube long line.
Compared with prior art, described line heat source has the following advantages: the first, and the carbon nanotube long line diameter can be controlled at macroscopic view or microcosmic scope, both can be applied to macroscopical field and also can be applied to microscopic fields.The second, carbon nano-tube has littler density than carbon fiber, so, adopt the line heat source of carbon nano tube structure to have lighter weight, easy to use.The 3rd, the electric conversion efficiency height of carbon nano tube structure, thermal resistivity is low, so this line heat source has the characteristics rapid, that thermo-lag is little, rate of heat exchange is fast that heat up.
Description of drawings
Fig. 1 is the structural representation of the line heat source of prior art.
Fig. 2 is the structural representation of the line heat source of the technical program embodiment
Fig. 3 is the generalized section of the line heat source III-III along the line of Fig. 2.
Fig. 4 is the generalized section of the line heat source IV-IV along the line of Fig. 3.
Fig. 5 is the stereoscan photograph of carbon nanotube long line of the fascicular texture of the technical program embodiment.
Fig. 6 is the stereoscan photograph of carbon nanotube long line of the twisted wire structure of the technical program embodiment.
Embodiment
Describe the technical program line heat source in detail below with reference to accompanying drawing.
See also Fig. 2 to Fig. 4, the technical program embodiment provides a kind of line heat source 20, and this line heat source 20 comprises a wire substrate 202; One reflector 210 is arranged at the surface of this wire substrate 202; One zone of heating 204 is arranged at 210 surfaces, described reflector; Two electrodes 206 are arranged at intervals at the surface of this zone of heating 204, and are electrically connected with this zone of heating 204; And one insulating protective layer 208 be arranged at the surface of this zone of heating 204.The length of described line heat source 20 is not limit, and diameter is 0.1 micron～1.5 centimetres.The diameter of the line heat source 20 of present embodiment is preferably 1.1 millimeters～1.1 centimetres.
Described wire substrate 202 is used to support zone of heating 204, its material can be hard material, as: pottery, glass, resin, quartz etc., can also select flexible material, as plastics or flexible fiber etc., with so that this line heat source 20 is bent into arbitrary shape in use as required.The length of described wire substrate 202, diameter and shape are not limit, and can select according to actual needs.The preferred wire substrate 202 of present embodiment is a ceramic bar, and its diameter is 1 millimeter～1 centimetre.
The material in described reflector 210 is a white insulating material, as: metal oxide, slaine or pottery etc.In the present embodiment, the preferred alundum (Al of the material in reflector 210, its thickness are 100 microns～0.5 millimeter.This reflector 210 is deposited on this wire substrate 202 surfaces by the method for evaporation or sputter.Described reflector 210 is used for reflecting the heat that zone of heating 204 is sent out, and make it effectively be dispersed into extraneous space and go, so, but this reflector 210 is a choice structure.
Described zone of heating 204 comprises at least one carbon nanotube long line.The surface in described reflector 210 can be wrapped up or be wound in to this carbon nanotube long line.This carbon nanotube long line can utilization itself the viscosity setting be fixed in this 210 surfaces, reflector, also can be arranged at 210 surfaces, reflector by binding agent.Described binding agent is a silica gel.Be appreciated that when this line heat source 20 does not comprise reflector 210 surface of described wire substrate 202 can directly be wrapped up or be wound in to the carbon nanotube long line in the zone of heating 204.The thickness of described zone of heating 204 is relevant with the diameter of carbon nanotube long line, is 1 nanometer～100 micron.
Described carbon nanotube long line can be by obtaining through reversing spinning behind the direct stretching one carbon nano pipe array acquisition or the carbon nano pipe array that stretches.The diameter of described carbon nanotube long line is 1 nanometer～100 micron, and its length is not limit, and can make according to the actual requirements.See also Fig. 5 and Fig. 6, described carbon nanotube long line comprises fascicular texture that a plurality of end to end carbon nano-tube bundles are formed abreast or is reversed the twisted wire structure of forming by a plurality of end to end carbon nano-tube bundles mutually.Combine closely by Van der Waals force between this adjacent carbon nano-tube bundle, this carbon nano-tube bundle comprises a plurality of carbon nano-tube that are arranged in parallel.Carbon nano-tube in the described carbon nanotube long line comprises one or more in Single Walled Carbon Nanotube, double-walled carbon nano-tube and the multi-walled carbon nano-tubes.The diameter of described Single Walled Carbon Nanotube is 0.5 nanometer～10 nanometers, and the diameter of double-walled carbon nano-tube is 1.0 nanometers～15 nanometers, and the diameter of multi-walled carbon nano-tubes is 1.5 nanometers～50 nanometers.The length of this carbon nano-tube is 200～900 microns.
When zone of heating 204 comprises a plurality of carbon nanotube long line, these a plurality of carbon nanotube long line be parallel to each other or arranged in a crossed manner in the reflector 210 surface.Because carbon nanotube long line comprises fascicular texture that a plurality of end to end carbon nano-tube bundles are formed abreast or reverses the twisted wire structure of forming mutually by a plurality of end to end carbon nano-tube bundles, so have certain pliability.Therefore, this zone of heating 204 can bending fold becomes arbitrary shape and does not break.
Present embodiment is wrapped in a carbon nanotube long line surface in described reflector 210 closely as zone of heating 204.The thickness of this zone of heating 204 is 100 microns.
Described electrode 206 can be arranged on the same surface of zone of heating 204 and also can be arranged on the different surfaces of zone of heating 204.Described electrode 206 can be arranged on the surface of this zone of heating 204 by the viscosity or the conductive adhesive (figure does not show) of carbon nanotube layer.Conductive adhesive also can be fixed in electrode 206 on the surface of carbon nanotube layer when realizing that electrode 206 and carbon nanotube layer electrically contact better.Can apply voltage to zone of heating 204 by these two electrodes 206.Wherein, the setting of being separated by between two electrodes 206 avoids short circuit phenomenon to produce so that insert certain resistance when adopting zone of heating 204 heating powers of carbon nanotube layer.Preferably, because wire substrate 202 diameters are less, two electrodes 206 are arranged at intervals at the two ends of wire substrate 202, and around the surface that is arranged at zone of heating 204.
Described electrode 206 is conductive film, sheet metal or metal lead wire.The material of this conductive film can be metal, alloy, indium tin oxide (ITO), antimony tin oxide (ATO), conductive silver glue, conducting polymer etc.This conductive film can be formed at zone of heating 204 surfaces by physical vaporous deposition, chemical vapour deposition technique or other method.The material of this sheet metal or metal lead wire can be copper sheet or aluminium flake etc.This sheet metal can be fixed in zone of heating 204 surfaces by conductive adhesive.
Described electrode 206 can also be a carbon nano tube structure.This carbon nano tube structure wraps up or is wound in the surface in reflector 210.This carbon nano tube structure can be by viscosity or the conductive adhesive surface of being fixed in reflector 210 of himself.This carbon nano tube structure comprises and aligning and equally distributed metallic carbon nanotubes.Particularly, this carbon nano tube structure comprises at least one ordered carbon nanotube film or at least one carbon nanotube long line.Because the zone of heating 204 in the present embodiment also adopts carbon nano tube structure, so have less ohmic contact resistance between electrode 206 and the zone of heating 204, can improve the utilance of 20 pairs of electric energy of line heat source.
In the present embodiment, form, use so the two ends of carbon nanotube long line can be used as electrode, and need not to be provided with specially two electrodes 206 because the zone of heating 204 in the present embodiment is twined by a carbon nanotube long line.
The material of described insulating protective layer 208 is an insulating material, as: rubber, resin etc.Described insulating protective layer 208 thickness are not limit, and can select according to actual conditions.In the present embodiment, the material of this insulating protective layer 208 adopts rubber, and its thickness is 0.5～2 millimeter.This insulating protective layer 208 can be formed at the surface of zone of heating 204 by the method for coating or parcel.Described insulating protective layer 208 is used for preventing that this line heat source 20 from electrically contacting with external world's formation in use, can also prevent the carbon nano tube structure absorption introduced contaminants in the zone of heating 204 simultaneously.But this insulating protective layer 208 is a choice structure.
In the present embodiment, with diameter be 100 microns carbon nanotube long line to be wound in a diameter be in 1 centimetre the wire substrate 202, and its length between two electrodes 206 is 3 centimetres.Electric current flows into along the winding direction of carbon nanotube long line.Measuring instrument is infrared radiation thermometer AZ-8859.When applying voltage at 1 volt～20 volts, heating power is 1 watt～40 watt-hours, and the surface temperature of carbon nanotube long line is 50 ℃～500 ℃.As seen, this carbon nano tube structure has higher electric conversion efficiency.For object with black matrix structure, when being 200 ℃～450 ℃, its pairing temperature just can send thermal radiation invisible to the human eye (infrared ray), and the thermal radiation of this moment is the most stable, most effective, the thermal radiation heat maximum that is produced.
This line heat source 20 can be arranged at it body surface that will heat or itself and heated object are provided with at interval in use, utilizes its thermal radiation to heat.In addition, a plurality of these line heat sources 20 can also be arranged in various predetermined figures uses.This line heat source 20 can be widely used in fields such as electric heater, infrared therapeutic apparatus, electric heater.
In the present embodiment,, make the carbon nano tube structure of preparation can have less thickness because carbon nano-tube has nano level diameter, so, adopt the wire substrate of minor diameter can prepare the micro wire thermal source.Carbon nano-tube has strong corrosion resistance, and it can be worked in sour environment.And carbon nano-tube has extremely strong stability, can not decompose even work under the vacuum environment of high temperature more than 3000 ℃, makes this line heat source 20 be suitable for work under the vacuum high-temperature.In addition, carbon nano-tube is than high 100 times with the hardness of steel of volume, weight but have only its 1/6, so, adopt the line heat source 20 of carbon nano-tube to have higher intensity and lighter weight.
In addition, those skilled in the art also can do other variations in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.

Claims (18)

1. a line heat source comprises a wire substrate, one zone of heating is arranged at the surface of wire substrate, and two electrode gap are arranged at the surface of zone of heating, and be electrically connected with this zone of heating respectively, it is characterized in that, described zone of heating comprises at least one carbon nanotube long line, and described carbon nanotube long line is one to comprise the linear structure of a plurality of carbon nano-tube.
2. line heat source as claimed in claim 1 is characterized in that, described zone of heating comprises that at least one carbon nanotube long line is wound in the surface of wire substrate.
3. line heat source as claimed in claim 1 is characterized in that, described zone of heating comprises that a plurality of carbon nanotube long line are parallel or arranged in a crossed manner in the surface of wire substrate.
4. line heat source as claimed in claim 1 is characterized in that, the diameter of described carbon nanotube long line is 1 nanometer～100 micron.
5. line heat source as claimed in claim 1 is characterized in that, described carbon nanotube long line comprises the fascicular texture that a plurality of end to end carbon nano-tube bundles are formed abreast or reverses mutually and form the twisted wire structure.
6. line heat source as claimed in claim 5 is characterized in that, combines closely by Van der Waals force between the adjacent carbon nano-tube bundle, and each carbon nano-tube bundle comprises a plurality of carbon nano-tube that are arranged in parallel.
7. line heat source as claimed in claim 5 is characterized in that, the length of described carbon nano-tube is 200～900 microns, and diameter is less than 50 nanometers.
8. line heat source as claimed in claim 1 is characterized in that, described electrode is a conductive film, sheet metal, metal lead wire or carbon nano tube structure.
9. line heat source as claimed in claim 8 is characterized in that, described carbon nano tube structure comprises and aligning and equally distributed metallic carbon nanotubes.
10. line heat source as claimed in claim 8 is characterized in that, described carbon nano tube structure comprises at least one ordered carbon nanotube film or at least one carbon nanotube long line.
11. line heat source as claimed in claim 8 is characterized in that, described this carbon nano tube structure wraps up or is wound in the surface of zone of heating.
12. line heat source as claimed in claim 11 is characterized in that, described carbon nano tube structure is by himself viscosity or the conductive adhesive surface of being fixed in zone of heating.
13. line heat source as claimed in claim 1 is characterized in that, the material of described wire substrate is flexible material or hard material, and described flexible material is plastics or flexible fiber, and described hard material is pottery, glass, resin, quartz.
14. line heat source as claimed in claim 1 is characterized in that, described line heat source comprises that further a reflector is arranged between zone of heating and the wire substrate.
15. line heat source as claimed in claim 14 is characterized in that, the material in described reflector is metal oxide, slaine or pottery.
16. line heat source as claimed in claim 14 is characterized in that, the thickness in described reflector is 100 microns～0.5 millimeter.
17. line heat source as claimed in claim 1 is characterized in that, described line heat source comprises that further an insulating protective layer is arranged at the outer surface of described zone of heating.
18. line heat source as claimed in claim 1 is characterized in that, the diameter of described line heat source is 0.1 micron～1.5 centimetres.
CN2008100680762A 2008-06-07 2008-06-27 Linear heat source Active CN101616514B (en)

Priority Applications (38)

Application Number Priority Date Filing Date Title
CN2008100680762A CN101616514B (en) 2008-06-27 2008-06-27 Linear heat source
US12/456,071 US20100126985A1 (en) 2008-06-13 2009-06-11 Carbon nanotube heater
EP09162562.4A EP2136603B1 (en) 2008-06-18 2009-06-12 Heater and method for making the same
KR1020090053461A KR20090131652A (en) 2008-06-18 2009-06-16 Linear heater and methods for making the same
JP2009154348A JP5638207B2 (en) 2008-06-27 2009-06-29 Wire heat source
US12/460,859 US20100000989A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,858 US20100000988A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,853 US20090321419A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,869 US20100139845A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,868 US20090321421A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,817 US20100108664A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,867 US20090314765A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,849 US20100000986A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,848 US20100000985A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,871 US20100230400A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,854 US20090321420A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,855 US20100000987A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,851 US20090321418A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,850 US20100140257A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,870 US20100000990A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/460,852 US20100140258A1 (en) 2008-06-13 2009-07-23 Carbon nanotube heater
US12/462,155 US20100140259A1 (en) 2008-06-13 2009-07-30 Carbon nanotube heater
US12/462,188 US20100139851A1 (en) 2008-06-13 2009-07-30 Carbon nanotube heater
US12/655,507 US20100122980A1 (en) 2008-06-13 2009-12-31 Carbon nanotube heater
US12/658,237 US20100154975A1 (en) 2008-06-13 2010-02-04 Carbon Nanotube heater
US12/658,193 US20100147829A1 (en) 2008-06-13 2010-02-04 Carbon nanotube heater
US12/658,184 US20100147828A1 (en) 2008-06-13 2010-02-04 Carbon nanotube heater
US12/658,182 US20100147827A1 (en) 2008-06-13 2010-02-04 Carbon nanotube heater
US12/658,198 US20100147830A1 (en) 2008-06-07 2010-02-04 Carbon nanotube heater
US12/660,356 US20110024410A1 (en) 2008-06-13 2010-02-25 Carbon nanotube heater
US12/660,820 US20100163547A1 (en) 2008-06-13 2010-03-04 Carbon nanotube heater
US12/661,133 US20100200568A1 (en) 2008-06-13 2010-03-11 Carbon nanotube heater
US12/661,165 US20100170891A1 (en) 2008-06-13 2010-03-11 Carbon nanotube heater
US12/661,115 US20100200567A1 (en) 2008-06-13 2010-03-11 Carbon nanotube heater
US12/661,110 US20100218367A1 (en) 2008-06-13 2010-03-11 Method for making carbon nanotube heater
US12/661,150 US20100170890A1 (en) 2008-06-13 2010-03-11 Carbon nanotube heater
US12/661,926 US20100187221A1 (en) 2008-06-13 2010-03-25 Carbon nanotube hearter
US12/750,186 US20100180429A1 (en) 2008-06-13 2010-03-30 Carbon nanotube heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100680762A CN101616514B (en) 2008-06-27 2008-06-27 Linear heat source

Publications (2)

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CN101616514A CN101616514A (en) 2009-12-30
CN101616514B true CN101616514B (en) 2011-07-27

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101616512B (en) * 2008-06-27 2015-09-30 清华大学 Line heat source
CN106998600A (en) * 2017-03-17 2017-08-01 广西善创科技有限公司 The separation integrated high frequency steam generator of steam

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CN2689638Y (en) * 2004-03-30 2005-03-30 李林林 Carbon fibric heating cable with single conducting wire
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CN2689638Y (en) * 2004-03-30 2005-03-30 李林林 Carbon fibric heating cable with single conducting wire
CN200994196Y (en) * 2006-12-19 2007-12-19 深圳市宝安唐锋电器厂 Electric heating film heating device

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JP2010006698A (en) 2010-01-14
JP5638207B2 (en) 2014-12-10

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