CN208567098U - Face electric heater - Google Patents
Face electric heater Download PDFInfo
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- CN208567098U CN208567098U CN201820258078.7U CN201820258078U CN208567098U CN 208567098 U CN208567098 U CN 208567098U CN 201820258078 U CN201820258078 U CN 201820258078U CN 208567098 U CN208567098 U CN 208567098U
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Abstract
The utility model discloses a kind of face electric heater, and the face electric heater includes: thermosphere to be added, and the thermosphere to be added has hot surface to be added；Insulating layer, the insulating layer are set on the hot surface to be added；Sealant, the sealant are set on the outside of the insulating layer, and the sealant and the insulating layer surround a confined space jointly, and protective gas is filled in the sealing space or is evacuated；The carbon nanotube film layer being set in the confined space, the carbon nanotube film layer are coated on the insulating layer outer surface, and are spaced between the outer surface and the sealant of the carbon nanotube film layer by the confined space；A pair of electrodes, a pair of electrode gap setting are simultaneously in electrical contact with the carbon nanotube film layer respectively.The utility model is electrically heated using carbon nanotube film layer, uniform surface heating, and energy-efficient, high temperature resistant, long service life, heating power density be high, heating resistant to bending and being suitable for non-planar abnormal shape hot surface to be added.
Description
Technical field
The utility model relates to a kind of face electric heater more particularly to a kind of face electric heaters based on carbon nano-tube film.
Background technique
Compared with the Electric heatings such as traditional resistance wire or heating rod, face Electric heating with its heating temperature uniformly,
The advantages such as heat transfer efficiency height are widely used in field of electric heating.Face electric heating be mainly used in electric heater, immediately heating water heater,
Uniform temperature control etc. in all kinds of heating dress ornaments, electric heating picture and industry.Currently, from face electric-heating technology developing direction
It sets out, energy conservation, the exploitation of service life and high-power heating structure are each field technical staff problems to be solved.
Currently, face electric heating device mainly includes heating disc structure, fever chip architecture, metal-oxide film heating knot
Structure.Wherein: heating disc structure heat transfer efficiency is low, and thermal loss is big, and temperature uniformity is poor；Chip architecture of generating heat uses temperature
Low, the service life is shorter, and buckle resistance can be poor；The film-forming process of metal-oxide film heating structure is complicated, and buckle resistance can be poor.
Summary of the invention
The purpose of this utility model is to provide a kind of face electric heater, with solve low heat transfer efficiency, poor temperature uniformity,
Buckle resistance can it is poor, can not be suitable for it is non-planar abnormal shape hot surface to be added the problems such as at least one of.
To achieve the above object, an embodiment of the present invention provides a kind of face electric heater, the face electric heater packet
It includes:
Thermosphere to be added, the thermosphere to be added have hot surface to be added；
Insulating layer, the insulating layer are set on the hot surface to be added；
Sealant, the sealant is set on the outside of the insulating layer, and the sealant encloses jointly with the insulating layer
Protective gas is filled at a confined space, in the sealing space or is evacuated；
The carbon nanotube film layer being set in the confined space, the carbon nanotube film layer are coated on outside the insulating layer
On surface, and it is spaced between the carbon nanotube film layer and the sealant by the confined space；
A pair of electrodes, a pair of electrode gap setting are simultaneously in electrical contact with the carbon nanotube film layer respectively.
Further, the insulating layer is set as the polyimide solution coating being coated on the hot surface to be added, pottery
Any one of porcelain coating, polyimide solution and ceramic composite coating, mica paper or high temperature resistant silicon gel coating.
Further, the insulating layer with a thickness of 20 ~ 1000 microns.
Further, the carbon nanotube film layer is by the carbon nano-tube film using the preparation of floating catalytic chemical vapour deposition technique
Winding fits in the insulating layer outer surface and is formed.
Further, the carbon nanotube film layer with a thickness of 1 ~ 50 micron.
Further, the sealant is set as being wound in the above iron of at least single layer of carbon nanotube film layer outer surface
Any one of fluorine dragon or Kapton Tape, high temperature resistant PET adhesive tape or high temperature resistant line paper self-adhesive tape.
To achieve the above object, another embodiment of the utility model also provides a kind of face electric heater, the face electric heating
Device includes:
Thermosphere to be added, the thermosphere to be added have hot surface to be added；
Carbon nanotube film layer, the carbon nanotube film layer are coated on the hot surface to be added；
A pair of electrodes, a pair of electrode gap setting are simultaneously in electrical contact with the carbon nanotube film layer respectively；
Sealant, the sealant wrap up the carbon nanotube film layer so that the carbon nanotube film layer and air exclusion.
Further, the sealant is set as the polyimide solution painting coated on carbon nanotube film layer outer surface
The composite coating of layer, ceramic coating or polyimide solution and ceramics.
Further, the carbon nanotube film layer is by the carbon nano-tube film using the preparation of floating catalytic chemical vapour deposition technique
Winding fits in the hot surface to be added and is formed.
Further, the carbon nanotube film layer with a thickness of 1 ~ 50 micron.
Further, the sealant is set as being wound in the above iron of at least single layer of carbon nanotube film layer outer surface
Any one of fluorine dragon or Kapton Tape, high temperature resistant PET adhesive tape or high temperature resistant line paper self-adhesive tape.
Further, thermosphere to be added can be any one of round, plane body, obform body.
Further, the material of thermosphere to be added can be metals and the various metal alloy conductor materials such as stainless steel, copper, aluminium,
It is also possible to the nonmetallic materials such as glass, ceramics, composite material.
Compared with prior art, the utility model has the beneficial effects that: being received using flexibility, self-supporting, carbon resistant to high temperature
Mitron film is treated heating layer and is electrically heated, and has energy-efficient, high temperature resistant, long service life, heating power density height, bending resistance
It rolls over and the advantages such as the heating that is suitable for non-planar abnormal shape hot surface to be added.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the face electric heater of the utility model first embodiment；
Fig. 2 is the structural schematic diagram of the face electric heater of the utility model second embodiment.
Specific embodiment
The utility model is described in detail below with reference to specific embodiment shown in the drawings.But these embodiment party
Formula is not intended to limit the utility model, structure that those skilled in the art are made according to these embodiments, method or
Transformation functionally is all contained in the protection scope of the utility model.
The utility model provides a kind of face electric heater, and the face electric heater includes thermosphere to be added, carbon nanotube film layer
And a pair of electrodes.The thermosphere to be added is to need device or component to be heated, specifically may be configured as needing to be heated solid
Volume elements part, or be set as surrounding the shell of the accommodating chamber of a receiving fluid.The carbon nanotube film layer and a pair of electrode
Electrical connection, the carbon nanotube film layer is for heat production after being powered to heat to the thermosphere to be added.In the present invention,
The thermosphere to be added is electrically heated using carbon nanotube film layer, carbon nano-tube film has flexibility, self-supporting, spy resistant to high temperature
Property, so that the face electric heater is not only energy-efficient, high temperature resistant, long service life, heating power density are high, but also bending resistance
Folding, product are not limited to planar structure, increase the application scenarios of the face electric heater.
It is described in detail below with the face electric heater of the specific embodiment to the utility model.
Embodiment 1
Join shown in Fig. 1, the present embodiment provides a kind of face electric heaters 100 comprising thermosphere 12 to be added, insulating layer 13, carbon
Nanotube film layer 14, a pair of electrodes (not shown) and sealant 15.
Thermosphere 12 to be added has hot surface to be added.In the present embodiment, thermosphere 12 to be added is set as its inner surface and surrounds one
The tubular structure of accommodating chamber 11, the outer surface of thermosphere 12 to be added are the hot surface to be added, and the hot surface to be added is non-planar.
Certainly, in other embodiments, the hot surface to be added may be alternatively provided as plane.
It can be directly used for containing hot fluid to be added in accommodating chamber 11；Alternatively, can be sheathed on one to be heated for thermosphere 12 to be added
In the diversion pipe (not shown) that fluid flows through, so that carbon nanotube film layer 14 be made to heat fluid to be heated.It is described to be added
Hot fluid can be liquid or gas.
Thermosphere 12 to be added is prepared using the Heat Conduction Material with certain supportive.The Heat Conduction Material can be stainless steel,
The conductive heat conducting materials such as copper, aluminium, alloy are also possible to the insulating heat-conduction materials such as glass, ceramics, composite material.
Insulating layer 13 is laid on the hot surface to be added, namely is laid on the outer surface of thermosphere 12 to be added.Preferably,
Insulating layer 13 be held between thermosphere 12 to be added and carbon nanotube film layer 14 and thermosphere to be added 12 and a pair of electrode between,
To play the purpose of insulation protection.In the present embodiment, insulating layer 13 is set as the polyamides being coated on the hot surface to be added
Imide liquor coating, ceramic coating, polyimide solution and ceramic composite coating, mica paper or high temperature resistant silicon gel coating
Any one.Insulating layer 13 with a thickness of 20 ~ 1000 microns, preferably 50 microns.In this way, passing through the insulation of setting coating form
Layer 13, can not only play the purpose of insulation protection, also avoid the thickness of face electric heater 100 excessive.
Sealant 15 prevents carbon nanotube film layer 14 from being damaged by the external world, or prevent for protecting carbon nanotube film layer 14
Face electric heater 100 causes electric shock to injure when in use.
Specifically, sealant 15 is set to the outside of insulating layer 13, and with insulating layer 13 to surround one jointly close for sealant 15
Close space 16, that is to say, that the outer surface of insulating layer 13 and the inner surface of sealant 15 surround a confined space 16, the confined air
Between 16 be isolated with outside air.Protective gas is filled in sealing space 16 or is evacuated, to form the protection atmosphere of anaerobic
It encloses.The protective gas may be configured as inert gas.
Sealant 15 using have certain supportive, the material of preferable heat resistance prepare, specifically can be stainless steel,
The conductors heat proof material such as copper, aluminium, alloy is also possible to the insulation heat proof material such as glass, ceramics, composite material.Preferably, it seals
Layer 15 is using with certain supportive, preferable heat resistance, the material preparation that can be bent, insulate.Sealant 15 can be set
For be wound in carbon nanotube film layer outer surface the above Teflon of at least single layer or Kapton Tape, high temperature resistant PET adhesive tape or
Any one of high temperature resistant line paper self-adhesive tape.
Carbon nanotube film layer 14 and a pair of electrode are in electrical contact, a pair of electrode gap setting, face to face electric heater
100 when needing to carry out heating work, and carbon nanotube film layer 14 powers on rear heat production by a pair of electrode, to be heated
Layer 12 is heated.
In the present embodiment, carbon nanotube film layer 14 is set in confined space 16 and is coated on the appearance of insulating layer 13
Face is spaced apart between 14 outer surface of carbon nanotube film layer and 15 inner surface of sealant by sealing space 16, carbon nanotube film layer
14 are not directly contacted with sealant 15, in this way, on the one hand can protect to carbon nanotube film layer 14, on the other hand can reduce
Heat transfer between carbon nanotube film layer 14 and sealant 15 so that carbon nanotube film layer 14 generate heat be effectively transferred to
Heating layer 12, energy conservation promote heating efficiency；Moreover, right by using flexibility, self-supporting, carbon nanotube film layer 14 resistant to high temperature
Thermosphere 12 to be added is electrically heated, and not only high temperature resistant, long service life, heating power density are high, but also carbon nanotube film layer 14
It is resistant to bending, it is applicable to the hot surface to be added of plane or non-planar abnormal shape.
Preferably, it is evacuated in sealing space 16, carbon nanotube film layer 14 can be further reduced in this way to sealant 15
Heat transfer, energy conservation, and promoted heating efficiency.
Further, carbon nanotube film layer 14 be set as being wrapped around by carbon nano-tube film in the outer surface of insulating layer 13 and
It is formed, the carbon nano-tube film can be used floating catalytic chemical vapour deposition technique and prepare and obtain, and specifically may be configured as width
For 2cm and length is 50cm.The thickness for the carbon nanotube film layer 14 being wound is set as 5 ~ 50 microns.
In addition, a pair of electrode may be configured as with the integrally formed carbon nano-tube film of the carbon nano-tube film, and respectively
It is electrically connected to external power supply.Resistance can be reduced in this way, it is energy-saving.
Compared with prior art, the face electric heater 100 of the present embodiment has following technical effect that energy-efficient, resistance to height
Temperature, long service life, heating power density are high, resistant to bending；Application scenarios are extensive；Thickness is small and preparation process is simple.
Embodiment 2
Join shown in Fig. 2, the present embodiment provides a kind of face electric heaters 200 comprising thermosphere 22 to be added, carbon nanotube film layer
24, a pair of electrodes (not shown) and sealant 25.
Thermosphere 22 to be added has hot surface to be added.In the present embodiment, thermosphere 22 to be added is set as its inner surface and surrounds one
The tubular structure of accommodating chamber 21, the outer surface of thermosphere 22 to be added are the hot surface to be added, and the hot surface to be added is non-planar.
Certainly, in other embodiments, the hot surface to be added may be alternatively provided as plane.Thermosphere 22 to be added can be round, plane
The material of any one of body, obform body, thermosphere 22 to be added can be metals and the various metal alloy conductors such as stainless steel, copper, aluminium
Material is also possible to the nonmetallic materials such as glass, ceramics, composite material.
It can be directly used for containing hot fluid to be added in accommodating chamber 21；Alternatively, can be sheathed on one to be heated for thermosphere 22 to be added
In the diversion pipe (not shown) that fluid flows through, so that carbon nanotube film layer 24 be made to heat fluid to be heated.It is described to be added
Hot fluid can be liquid or gas.
Thermosphere 22 to be added is prepared using the heat-conducting insulation material with certain supportive, specifically can be glass, ceramics,
The heat-conducting insulation materials such as composite material.
Carbon nanotube film layer 24 and a pair of electrode are in electrical contact, a pair of electrode gap setting, face to face electric heater
100 when needing to carry out heating work, and carbon nanotube film layer 24 powers on rear heat production by a pair of electrode, to be heated
Layer 22 is heated.
In the present embodiment, carbon nanotube film layer 24 is coated on the hot surface to be added namely carbon nanotube film layer 24
It is coated on the outer surface of thermosphere 22 to be added.By using flexibility, self-supporting, carbon nanotube film layer resistant to high temperature 24 to be heated
Layer 22 is electrically heated, and not only high temperature resistant, long service life, heating power density are high, but also carbon nanotube film layer 24 is resistant to bending,
It is applicable to the hot surface to be added of plane or non-planar abnormal shape.
Further, carbon nanotube film layer 14 is set as being wrapped around by carbon nano-tube film in the outer surface of thermosphere 22 to be added
And formed, the carbon nano-tube film can be used floating catalytic chemical vapour deposition technique and prepare and obtain, it is preferable that the carbon nanometer
Periosteum layer the hot surface to be added fitted in by the carbon nano-tube film winding using the preparation of floating catalytic chemical vapour deposition technique and
It is formed.It specifically may be configured as that width is 3cm and length is 60cm.The thickness for the carbon nanotube film layer 24 being wound is set as
5 ~ 50 microns.
In addition, a pair of electrode may be configured as with the integrally formed carbon nano-tube film of the carbon nano-tube film, and respectively
It is electrically connected to external power supply.Resistance can be reduced in this way, it is energy-saving.
Sealant 25 is wrapped in the outer surface of carbon nanotube film layer 24, so that carbon nanotube film layer 24 and air exclusion, from
And carbon nanotube film layer 24 is protected, prevent carbon nanotube film layer 24 from being damaged by the external world, or prevent face electric heater 200 from using
Shi Zaocheng electric shock injury.
Sealant 25 may be configured as be coated on the hot surface to be added on polyimide solution coating, ceramic coating or
Polyimide solution and ceramics composite coating, or be set as being wound in at least single layer of 24 outer surface of carbon nanotube film layer with
Any one of upper Teflon or Kapton Tape, high temperature resistant PET adhesive tape or high temperature resistant line paper self-adhesive tape.In this way, by setting
The sealant 25 for setting coating form or Teflon adhesive tape form, can not only play the purpose of insulation protection, and face electricity is also avoided to add
The thickness of hot device 200 is excessive.
Compared with prior art, the face electric heater 200 of the present embodiment has following technical effect that energy-efficient, resistance to height
Temperature, long service life, heating power density are high, resistant to bending；Application scenarios are extensive；Thickness is small and preparation process is simple.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of face electric heater, which is characterized in that the face electric heater includes:
Thermosphere to be added, the thermosphere to be added have hot surface to be added；
Carbon nanotube film layer, the carbon nanotube film layer are coated on the hot surface to be added；
A pair of electrodes, a pair of electrode gap setting are simultaneously in electrical contact with the carbon nanotube film layer respectively；
Sealant, the sealant wrap up the carbon nanotube film layer so that the carbon nanotube film layer and air exclusion.
2. face electric heater according to claim 1, which is characterized in that the sealant is set as receiving coated on the carbon
Polyimide solution coating, ceramic coating or the polyimide solution of mitron film layer outer surface and the composite coating of ceramics.
3. face electric heater according to claim 1, which is characterized in that the carbon nanotube film layer is by using floating catalytic
The carbon nano-tube film winding of chemical vapour deposition technique preparation fits in the hot surface to be added and is formed.
4. face electric heater according to claim 1, which is characterized in that the carbon nanotube film layer with a thickness of 1~50
Micron.
5. face electric heater according to claim 1, which is characterized in that thermosphere to be added can be round, plane body, different
Any one of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820258078.7U CN208567098U (en) | 2018-02-13 | 2018-02-13 | Face electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820258078.7U CN208567098U (en) | 2018-02-13 | 2018-02-13 | Face electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208567098U true CN208567098U (en) | 2019-03-01 |
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ID=65452934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820258078.7U Active CN208567098U (en) | 2018-02-13 | 2018-02-13 | Face electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208567098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112447637A (en) * | 2019-08-27 | 2021-03-05 | 长鑫存储技术有限公司 | Heating pipeline and semiconductor manufacturing equipment |
| CN114165916A (en) * | 2021-12-20 | 2022-03-11 | 张丽华 | Vacuum insulation liquid electric heater |
-
2018
- 2018-02-13 CN CN201820258078.7U patent/CN208567098U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112447637A (en) * | 2019-08-27 | 2021-03-05 | 长鑫存储技术有限公司 | Heating pipeline and semiconductor manufacturing equipment |
| CN114165916A (en) * | 2021-12-20 | 2022-03-11 | 张丽华 | Vacuum insulation liquid electric heater |
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