CN213906974U - Carbon fiber electrothermal film - Google Patents
Carbon fiber electrothermal film Download PDFInfo
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- CN213906974U CN213906974U CN202023086797.1U CN202023086797U CN213906974U CN 213906974 U CN213906974 U CN 213906974U CN 202023086797 U CN202023086797 U CN 202023086797U CN 213906974 U CN213906974 U CN 213906974U
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Abstract
The utility model discloses a carbon fiber electrothermal film, which comprises at least one electrothermal layer, a plurality of electrode pole piece groups, an upper protective layer and a lower protective layer; the electric heating layer is a carbon fiber layer which is prepared by adopting a non-woven fabric preparation process and is formed by dipping and sizing carbon fiber monofilaments and attaching a sizing agent to the surfaces of the carbon fiber monofilaments; the electrode pole piece group comprises a positive pole piece and a negative pole piece, and the positive pole piece and the negative pole piece are respectively connected with the electrodes of the electric heating layer and are bonded on the surface of the electric heating layer; the upper protective layer and the lower protective layer are electric insulating layers produced by a non-woven fabric preparation process, and the electric heating layer and the electrode plate assembly are covered in the middle to form a whole. Through the utility model discloses effectively solved among the prior art easily electric leakage, the security is low, and the static is big simultaneously, and electromagnetic radiation is big, is unfavorable for the healthy problem of people to realized having one kind and having the electrothermal film that the security is good, radiationless, the texture is light, can buckle, heat energy conversion efficiency is high, the application that adapts to many scenes has good market spreading value.
Description
Technical Field
The utility model relates to an electric heat technical field, in particular to carbon fiber electric heat membrane.
Background
With the improvement of living standard of people, better living quality is pursued, and higher heating requirements are put forward. The electrothermal film is more and more introduced into the life of people, and brings healthy and comfortable experience to people.
The electrothermal film in the heating market is mainly used as an indoor large-area heating electric heat source and is also applied to local heating in industrial and agricultural production and processing, such as a far infrared low-temperature oven, a far infrared drying box, an incubator, indoor vegetable heating and the like. The electrothermal film like a mica heating plate is applied to a scene with low requirement on temperature consistency of a heating area, and the application scene of cold-proof equipment of field operation personnel is not required.
In the prior art, a related technology for preparing an electrothermal film by using carbon fibers is disclosed in patent application CN111935858A, and a flexible carbon fiber electrothermal film and a preparation method thereof are disclosed to solve the problems that the electrothermal film is hard in texture and cannot be bent. But because adopt the bonding preparation of conductive paste for this electric heat membrane easily leaks electricity, and the security is low, and simultaneously the static is big, and electromagnetic radiation is big, is unfavorable for people's health.
For the above reasons, in order to better solve the above technical problems, a new electrothermal film is needed, which has good safety, small radiation, light weight, bending capability and high heat energy conversion efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve among the prior art security low, static is big, and electromagnetic radiation is big, influences the healthy problem of people, provides a carbon fiber electric heat membrane.
In order to achieve the above object, the utility model adopts the following technical scheme: a carbon fiber electrothermal film comprises at least one electrothermal layer, a plurality of electrode pole piece groups, an upper protective layer and a lower protective layer;
the electric heating layer is a carbon fiber layer which is prepared by adopting a non-woven fabric preparation process, wherein a sizing agent is attached to the surface of a carbon fiber monofilament after dipping and sizing treatment;
the electrode pole piece group comprises a positive pole piece and a negative pole piece, and the positive pole piece and the negative pole piece are respectively connected with the electrodes of the electric heating layer and are adhered to the surface of the electric heating layer;
the upper protective layer and the lower protective layer are electric insulating layers produced by a non-woven fabric preparation process, and the electric heating layer and the electrode plate assembly are covered in the middle to form a whole.
Compared with the prior art, the electric heating layer prepared by adopting the non-woven fabric process has high heat energy conversion efficiency, the arrangement of the plurality of electric heating layers can effectively solve the problem of electromagnetic radiation and reduce static electricity, and the protective layer prepared by adopting the non-woven fabric effectively improves the safety, thereby realizing the electric heating film which has good safety, small electromagnetic radiation, light weight, bending and high heat energy conversion rate.
Further, the sizing agent is a conductive adhesive, and the sizing agent is preferably an epoxy resin matrix adhesive filled with graphite.
Furthermore, the electrode plate set comprises 2 electric heating layers which are respectively an upper electric heating layer and a lower electric heating layer and are respectively and electrically connected with the plurality of electrode plate sets.
Furthermore, the plurality of electrode plate groups divide the electric heating layer into a plurality of relatively independent electric heating areas, and the electric heating areas are uniformly arranged in an array.
Furthermore, the area of the electric heating area of the upper electric heating layer is smaller than that of the lower electric heating layer, and a magnetic field formed by the electric heating area of the upper electric heating layer is absorbed by the lower electric heating layer.
The carbon fiber composite material is formed by laminating a plurality of carbon fiber layers, absorbs the magnetic field of an electric heating area, effectively reduces the magnetic field radiation effect, and simultaneously effectively reduces static electricity.
Furthermore, the upper protective layer and the lower protective layer are non-woven fabrics produced by a non-woven fabric preparation process, and the electric heating layer and the electrode plate group are bonded into a whole through an adhesive.
Further, the adhesive is a low density polyethylene material.
Further, the thickness of the carbon fiber layer is 0.2 mm-1 mm, the thickness of the electrode plate group is 0.1 mm-1 mm, and the thickness of the upper protective layer or the lower protective layer is 0.1 mm-0.15 mm.
Has the advantages that: through the utility model discloses to the innovation of electric heat layer, electrode utmost point piece group, upper protective layer and lower protective layer, have beneficial effect:
high thermal efficiency and high safety. The utility model discloses a carbon fiber layer that the non-woven fabrics preparation technology was prepared is selected as the source of generating heat, can improve heat conversion efficiency effectively, is equipped with upper protective layer and lower protective layer, has solved people and can not directly touch the carbon fiber layer, can not directly scald the skin of contact, has effectively improved the security; through the reasonable application of the heat treatment process of the conductive adhesive, the insulating adhesive and the adhesive, the problem of compounding the upper protective layer, the lower protective layer and the heating source is solved, so that the whole electrothermal film is bonded together, and the heat efficiency is further improved.
The electric heat membrane is applicable to the direct current voltage below the safe voltage 24V, has further guaranteed the security of using.
The utility model discloses effectively solve among the prior art easily electric leakage, the security is low, and the static is big simultaneously, and electromagnetic radiation is big, is unfavorable for the healthy problem of people to realized having one kind and having that the security is good, radiationless, the texture is light, can buckle, the electric heat membrane that heat energy conversion efficiency is high, the application that adapts to many scenes.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 is a schematic view of the overall structure of the present invention including a single-layer electric heating layer;
FIG. 2 is a schematic view of the overall structure of the present invention including a plurality of electrothermal layers;
fig. 3 is a schematic structural view of the upper electric layer of the present invention;
FIG. 4 is a schematic view of the lower electric heating film structure of the present invention;
FIG. 5 is a schematic diagram of the present invention;
reference numerals: 1-an electric heating layer, 11-an upper electric heating layer, 12-a lower electric heating film, 15-an electric heating area, 2-an electrode plate group, 21-a positive electrode plate, 22-a negative electrode plate, 3-an upper protective layer, 4-a lower protective layer, 6-a carbon fiber electric heating film and 7-a power line.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments so that the invention may be more clearly and intuitively understood.
It should be noted that: the terms "upper", "lower", "middle", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the disclosure herein and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of dependency, connection or effect relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
With reference to fig. 1 and 4, a first embodiment of the present invention is provided.
The utility model provides a carbon fiber electrothermal film, includes an electric heat layer 1, a plurality of electrode utmost point piece group 2, goes up protective layer 3 and lower protective layer 4, from bottom to top, is electric heat layer 1, the last protective layer 3 of lower protective layer 4, electrified electrode utmost point piece group 2 in proper order.
The electrode pole piece group 2 is arranged at the left end and the right end of the electric heating layer 1 and respectively comprises a positive pole piece 21 and a negative pole piece 22, the electric heating layer 1 is a carbon fiber layer, the surface of the carbon fiber layer is subjected to dipping and sizing treatment by adopting a non-woven fabric preparation process, a sizing agent is attached to the surface of the carbon fiber layer, the positive pole piece 21 and the negative pole piece 22 are respectively in electrode connection with the electric heating layer 1 and are bonded to the surface of the electric heating layer 1, and the thickness of the electrode pole piece group is 0.1 mm.
The upper protective layer 3 and the lower protective layer 4 are electric insulating layers produced by a non-woven fabric preparation process, and the electric heating layer 1 and the electrode plate group 2 are combined in the middle to form a whole. The thickness of the upper protective layer 3 and the lower protective layer 4 is 0.1mm, and polypropylene materials are adopted.
The sizing agent coated outside the carbon fiber monofilaments is a conductive adhesive, preferably an epoxy resin matrix adhesive filled with graphite, and is a thermosetting resin. The epoxy resin can be cured at room temperature or below 150 ℃ and has rich formulation designability. The thickness of the carbon fiber layer prepared by the sizing agent is 0.2 mm-1 mm, and the thickness of the carbon fiber layer of the first embodiment is 0.2 mm.
The electrode plate group 2 is formed by compounding a film and a metal sheet.
The first embodiment is suitable for industrial and agricultural production and processing, such as greenhouse vegetable heating and animal raising places.
When the first embodiment is used, the first embodiment is laid in a required scene, then the power line is correspondingly welded with each pole piece led out from the electrode pole piece group 2, the power line is suitable for direct-current voltage below safe voltage 24V, and then the other end of the power line is connected with a power adapter meeting the conditions.
Embodiment two of the present invention is provided as shown in fig. 2, fig. 3, and fig. 4.
The second embodiment is formed by improving on the basis of the first embodiment, and the carbon fiber electrothermal film comprises two electrothermal layers 1, a plurality of electrode plate groups 2, an upper protective layer 3 and a lower protective layer 4, wherein the lower protective layer 4, a lower electrothermal film 12 with the electrode plate groups 2, an upper electrothermal layer 11 with the electrode plate groups 2 and the upper protective layer 3 are sequentially arranged from bottom to top.
The lower electric heating film 12 is provided with an electrode pole piece group 2 which is respectively a positive pole piece 21 and a negative pole piece 22, the lower electric heating film 12 is a carbon fiber layer which is prepared by adopting a non-woven fabric preparation process, is prepared by impregnating carbon fiber monofilaments with sizing agent and is attached to the surface of the carbon fiber layer, and the carbon fiber layer is respectively connected with the positive pole piece 21 and the negative pole piece 22 through electrodes.
The electrode pole piece group 2 arranged on the upper electric heating layer 11 is respectively a positive pole piece 21 and a negative pole piece 22, the upper electric heating layer 11 is a carbon fiber layer which is prepared by adopting a non-woven fabric preparation process, is impregnated and sized by carbon fiber monofilaments, is attached with a sizing agent on the surface, and is respectively connected with the positive pole piece 21 and the negative pole piece 22 through electrodes.
The upper electric heating layer 11 and the lower electric heating layer 12 are divided into a plurality of relatively independent electric heating areas 15 by the plurality of electrode plate groups 2, and the electric heating areas 15 are uniformly arranged in an array. The electric heating area 15 of the upper electric heating layer 11 is smaller than the electric heating area 15 of the lower electric heating layer 12, and the magnetic field formed by the electric heating area 15 of the upper electric heating layer 11 is absorbed by the electric heating area 15 of the lower electric heating layer 12.
The upper protective layer 3 and the lower protective layer 4 are electric insulating layers produced by a non-woven fabric preparation process, and the electric heating layer 1 and the electrode plate group 2 are combined in the middle to form a whole. The thickness of the upper protective layer 3 and the lower protective layer 4 is 0.15mm, the electric heating layer 1 and the electrode plate group 2 are bonded into a whole through an adhesive, and the adhesive is made of low-density polyethylene materials.
The second embodiment is suitable for cold-proof equipment of field workers or the fields of indoor warm keeping of residents and the like.
When the second embodiment is used, the second embodiment is firstly laid in a required scene, then the power line is correspondingly welded with each pole piece led out from the electrode pole piece group 2, the second embodiment is suitable for direct-current voltage below safe voltage 24V, and then the other end of the power line is connected with a power adapter meeting the conditions. Or, the embodiment is firstly arranged, cut into the required size, sewn into the required shape and then connected with a direct current power supply device by a power line, such as a charger. The second embodiment can select power adapters with different specifications to heat according to the needs of users, and has wide application range.
Fig. 5 shows an application example of the present invention.
The application example is the application on the basis of the second embodiment, the carbon fiber electrothermal film 6 with the power line 7, the protective layer of the application example is a non-woven fabric produced by a non-woven fabric preparation process, and the outer layer of the non-woven fabric is made of nylon short fibers. The application example is suitable for indoor wall scenes and can be made into clothing application.
To sum up, based on above-mentioned embodiment and application case, compare with prior art, the utility model has the substantive characteristics and progress, through the innovation of electric heat layer, electrode utmost point piece group, upper protective layer and lower protective layer, easily electric leakage among the effective prior art of having solved, the security is low, and static is big simultaneously, and electromagnetic radiation is big, is unfavorable for the healthy problem of people to realized one kind and had that the security is good, non-radiation, the texture is light, can buckle, the high electric heat membrane of heat energy conversion efficiency, the application that adapts to many scenes, good market spreading value has.
The above description is only the preferred embodiment and application example of the present invention, and the changes of the equivalent shape or the equivalent structure made by the contents of the description and the drawings of the present invention should be understood as the protection scope of the present invention.
Claims (8)
1. A carbon fiber electrothermal film is characterized in that: comprises at least one electric heating layer, a plurality of electrode pole piece groups, an upper protective layer and a lower protective layer;
the electric heating layer is a carbon fiber layer which is prepared by adopting a non-woven fabric preparation process, wherein a sizing agent is attached to the surface of a carbon fiber monofilament after dipping and sizing treatment;
the electrode pole piece group comprises a positive pole piece and a negative pole piece, and the positive pole piece and the negative pole piece are respectively connected with the electrodes of the electric heating layer and are adhered to the surface of the electric heating layer;
the upper protective layer and the lower protective layer are electric insulating layers produced by a non-woven fabric preparation process, and the electric heating layer and the electrode plate assembly are covered in the middle to form a whole.
2. The carbon fiber electrothermal film according to claim 1, wherein: the sizing agent is a conductive adhesive, and the sizing agent is an epoxy resin matrix adhesive filled with graphite.
3. The carbon fiber electrothermal film according to claim 1 or 2, wherein: the electrode plate set comprises 2 electric heating layers which are respectively an upper electric heating layer and a lower electric heating layer and are respectively and electrically connected with a plurality of electrode plate sets.
4. The carbon fiber electrothermal film according to claim 3, wherein: the electrode plate groups divide the electric heating layer into a plurality of relatively independent electric heating zones, and the electric heating zones are uniformly arranged in an array.
5. The carbon fiber electrothermal film according to claim 4, wherein: the area of the electric heating area of the upper electric heating layer is smaller than that of the lower electric heating layer, and a magnetic field formed by the electric heating area of the upper electric heating layer is absorbed by the lower electric heating layer.
6. The carbon fiber electrothermal film according to claim 1, wherein: the upper protective layer and the lower protective layer are non-woven fabrics produced by a non-woven fabric preparation process, and the electric heating layer and the electrode plate group are bonded into a whole through an adhesive.
7. The carbon fiber electrothermal film according to claim 6, wherein: the adhesive is a low density polyethylene material.
8. The carbon fiber electrothermal film according to claim 1, wherein: the thickness of the carbon fiber layer is 0.2 mm-1 mm, the thickness of the electrode plate group is 0.1 mm-1 mm, and the thickness of the upper protective layer or the lower protective layer is 0.1 mm-0.15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023086797.1U CN213906974U (en) | 2020-12-18 | 2020-12-18 | Carbon fiber electrothermal film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023086797.1U CN213906974U (en) | 2020-12-18 | 2020-12-18 | Carbon fiber electrothermal film |
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| Publication Number | Publication Date |
|---|---|
| CN213906974U true CN213906974U (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023086797.1U Active CN213906974U (en) | 2020-12-18 | 2020-12-18 | Carbon fiber electrothermal film |
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| CN (1) | CN213906974U (en) |
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- 2020-12-18 CN CN202023086797.1U patent/CN213906974U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220114 Address after: 200000 floor 2, building 11, No. 148, Caojian Road, Minhang District, Shanghai Patentee after: Shanghai Delong electric heating material technology Co.,Ltd. Address before: 2 / F, building 11, 148 Caojian Road, Minhang District, Shanghai Patentee before: SHANGHAI DEQING TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |