CN212034366U - Novel graphite alkene is from limit for temperature heat-generating body - Google Patents
Novel graphite alkene is from limit for temperature heat-generating body Download PDFInfo
- Publication number
- CN212034366U CN212034366U CN202020340710.XU CN202020340710U CN212034366U CN 212034366 U CN212034366 U CN 212034366U CN 202020340710 U CN202020340710 U CN 202020340710U CN 212034366 U CN212034366 U CN 212034366U
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- Prior art keywords
- electrode
- ptc
- graphite alkene
- heating coating
- graphene
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- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 27
- 239000010439 graphite Substances 0.000 title claims abstract description 27
- -1 graphite alkene Chemical class 0.000 title claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 73
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 58
- 238000000576 coating method Methods 0.000 claims abstract description 40
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 17
- 229910052709 silver Inorganic materials 0.000 claims description 17
- 239000004332 silver Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000007650 screen-printing Methods 0.000 claims description 5
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 238000007641 inkjet printing Methods 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model relates to a novel graphite alkene is from limit for temperature heat-generating body, its substrate, graphite alkene membrane, electrode and protection film, its characterized in that: the graphene film adopts PTC graphite alkene heating coating, PTC graphite alkene heating coating coat in the tow sides of substrate, every one side PTC graphite alkene heating coating's both sides all are equipped with the electrode, the protection film is attached in the outside of electrode and PTC graphite alkene heating coating. The utility model discloses a positive and negative both sides at the substrate set up PTC graphite alkene heating coating, electrode and protection film, realize that two heat-generating bodies are integrated in an organic whole, can be according to the user demand, will two PTC graphite alkene heating coating establishes ties or parallel connection, and multiplicable unit area's calorific capacity need not to destroy the product structure.
Description
Technical Field
The utility model relates to a heating film technical field especially relates to a novel graphite alkene is from limit for temperature heat-generating body.
Background
The graphene film of the traditional graphene heating element is directly coated on one surface of a substrate, and is covered by a protective film after being pasted with an electrode, when the graphene heating element in the form is in a maximum power state, further heating cannot be realized, but in a common operation, a heating element (in series or in parallel) is additionally arranged for further heating, but the newly-added heating element possibly needs to damage a product zeta of the product provided with the graphene heating element, such as clothes with the graphene heating element, or is limited to the installation space of the product, so that the operation is difficult; in addition, the traditional common graphene does not have a self-temperature-limiting function. Therefore, the application provides a only need through the alternative improvement unit area calorific capacity of wiring and have the novel graphite alkene self-limiting temperature heat-generating body of self-limiting temperature function.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a only need through the alternative improvement unit area of wiring calorific capacity, and have the novel graphite alkene self-limiting temperature heat-generating body of self-limiting temperature function.
The utility model provides a technical scheme that its technical problem adopted is: the novel graphene self-temperature-limiting heating body comprises a base material, a graphene film, electrodes and a protective film, wherein the graphene film adopts a PTC graphene heating coating, the PTC graphene heating coating is coated on the front surface and the back surface of the base material, the electrodes are arranged on two sides of the PTC graphene heating coating on each surface, and the protective film is attached to the outer sides of the electrodes and the PTC graphene heating coating;
the electrodes on the front and back surfaces of the substrate are connected with leads, and the leads are connected with a power supply, so that the PTC graphene heating coatings on the front and back surfaces are connected in series or in parallel or are mutually standby.
The utility model provides a novel graphite alkene is from a preferred embodiment of limit for temperature heat-generating body, the electrode adopts combined electrode, including silver-colored electrode and copper electrode, the copper electrode is attached to on the silver-colored electrode.
In a preferred embodiment of the novel graphene self-temperature-limiting heating element provided by the present invention, the silver electrode is formed on both sides of the PTC graphene heating coating layer by ink-jet printing or screen printing using silver paste as a material;
the copper electrode is made of copper foil and is adhered to the silver electrode through a film covering machine.
In the preferred embodiment of the novel graphene self-temperature-limiting heating element provided by the present invention, the width of the copper electrode is smaller than the width of the silver electrode.
The utility model provides a novel graphite alkene is from a preferred embodiment of limit for temperature heat-generating body, PTC graphite alkene heating coating pass through the mode of coating, gravure, intaglio or silk screen printing in the shaping of the tow sides of substrate.
In the preferred embodiment of the novel graphene self-temperature-limiting heating element provided by the present invention, the protection film is a thermoplastic polyurethane film, a high-temperature polyester film or a polyimide film, and is laminated on the outside of the electrode and the PTC graphene heating coating layer by hot pressing.
The utility model provides a novel graphite alkene is from a preferred embodiment of limit for temperature heat-generating body, PTC graphite alkene heating coating is many parallel stripe types, is the combination of one or more in linear type, wave type, the broken line type.
The utility model provides a novel graphite alkene is from another preferred embodiment of limit for temperature heat-generating body, PTC graphite alkene heating coat is the network structure of fretwork, and the mesh is circular or polygon or is unanimous with the LOGO shape of product.
Compared with the prior art, the utility model provides a novel graphite alkene is from temperature-limiting heat-generating body's beneficial effect is:
the PTC graphene heating coating, the electrodes and the protective film are arranged on the front surface and the back surface of the base material, so that two heating bodies are integrated into a whole, the two PTC graphene heating coatings can be connected in series or in parallel according to the use requirement, the heating value of a unit area can be increased, and the structure of a product is not required to be damaged;
secondly, when the temperature of the PTC graphene heating coating is increased, the resistance of the PTC graphene heating coating is increased, so that the heating power of the PTC graphene heating coating is reduced, and the temperature is reduced; on the contrary, when the temperature is reduced, the resistance of the heating element is reduced, the power of the heating element is increased, the temperature of the heating coating is increased, and the heating element has the characteristic of self-limiting temperature.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a top partial cross-sectional view of a novel graphene self-temperature-limiting heating element provided by the present invention;
3 FIG. 32 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 provided 3 in 3 FIG. 31 3; 3
Fig. 3 is a schematic wiring diagram of the novel graphene self-temperature-limiting heating element provided by the present invention;
fig. 4 is a top partial cross-sectional view of a novel graphene self-temperature-limiting heating element according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be construed broadly, as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, a preferred embodiment of the present application provides a novel graphene self-temperature-limiting heating element, which includes a substrate 11, a graphene film 12, an electrode 13 and a protective film 14, wherein the graphene film 12 adopts a PTC graphene heating coating, and when the temperature rises, the resistance of the graphene film increases, so that the heating power of the graphene decreases, and the temperature decreases accordingly; on the contrary, when the temperature is reduced, the resistance of the heating element is reduced, the power of the heating element is increased, the temperature of the heating coating is increased, and the heating element has the characteristic of self-limiting temperature. PTC graphite alkene heating coat 12 coat in the tow sides of substrate 11, every side PTC graphite alkene heating coat 12's both sides all are equipped with electrode 13, protection film 14 is attached in electrode 13 and PTC graphite alkene heating coat 12's the outside.
Specifically, the electrode 13 of the present embodiment is a composite electrode, and includes a silver electrode 131 and a copper electrode 132, and the copper electrode 132 is attached to the silver electrode 131.
Preferably, the silver electrode 131 is formed on both sides of the PTC graphene heating coating 12 by ink-jet printing or screen printing using silver paste as a material; the copper electrode 132 is made of copper foil and is attached to the silver electrode 131 by a film coating machine.
Preferably, the width of the copper electrode 132 is smaller than the width of the silver electrode 131.
By adopting the composite electrode, the problems of uneven heating and overheating of the electrode caused by the pure adoption of the silver electrode are solved, and the potential electric spark hidden danger caused by the pure use of the copper electrode is also solved.
Specifically, the PTC graphene heating coating 12 of this embodiment is formed on the front and back surfaces of the substrate 11 by coating, gravure, or screen printing.
Preferably, the protective film 14 of the present embodiment is a thermoplastic polyurethane film, a high temperature polyester film, or a polyimide film, and is bonded to the outside of the electrode 13 and the PTC graphene heating coating layer 12 by hot pressing.
Preferably, the electrodes 13 on both sides of the substrate 11 are connected to wires 15, and the wires 15 are connected to a power supply, so that the PTC graphene heating coatings 12 on both sides are connected in series or in parallel or are spare for each other.
As shown in FIG. 3, in normal use, only the electrode on one side of the heating element needs to be connected to a power supply; when the calorific value needs to be further improved, the electrode on the other surface can be incorporated into a circuit, so that the structure of a product does not need to be damaged, and the calorific value of unit area is increased; meanwhile, the PTC graphene heating coatings on the two sides can be used for each other, so that the service life of the product is prolonged.
Preferably, the PTC graphene heating coating 12 of the present embodiment is in the form of a plurality of parallel stripes, and is in the form of one or a combination of straight lines, waves, and broken lines, as shown in fig. 4, the coating is in the form of straight lines.
In another embodiment, the PTC graphene heating coating 12 is a hollow mesh structure, and the mesh is circular or polygonal or conforms to the LOGO shape of the product, as shown in fig. 2, and is hexagonal.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel graphite alkene is from limit for temperature heat-generating body, includes substrate, graphite alkene membrane, electrode and protection film, its characterized in that: the graphene film adopts a PTC graphene heating coating, the PTC graphene heating coating is coated on the front surface and the back surface of the substrate, electrodes are arranged on two sides of the PTC graphene heating coating on each surface, and the protective film is attached to the outer sides of the electrodes and the PTC graphene heating coating;
the electrodes on the front and back surfaces of the substrate are connected with leads, and the leads are connected with a power supply, so that the PTC graphene heating coatings on the front and back surfaces are connected in series or in parallel or are mutually standby.
2. A novel graphene self-limiting temperature exothermic body according to claim 1, characterized in that: the electrode adopts a composite electrode and comprises a silver electrode and a copper electrode, and the copper electrode is attached to the silver electrode.
3. A novel graphene self-limiting temperature exothermic body according to claim 2, characterized in that: the silver electrode is made of silver paste and is formed on two sides of the PTC graphene heating coating through ink-jet printing or screen printing;
the copper electrode is made of copper foil and is adhered to the silver electrode through a film covering machine.
4. A novel graphene self-limiting temperature exothermic body according to claim 2 or 3, characterized in that: the width of the copper electrode is smaller than that of the silver electrode.
5. A novel graphene self-limiting temperature exothermic body according to claim 1, characterized in that: and the PTC graphene heating coating is formed on the front side and the back side of the substrate in a coating, gravure or silk-screen mode.
6. A novel graphene self-limiting temperature exothermic body according to claim 1, characterized in that: the protective film is a thermoplastic polyurethane film, a high-temperature polyester film or a polyimide film, and is laminated on the outer sides of the electrode and the PTC graphene heating coating through hot pressing.
7. A novel graphene self-limiting temperature exothermic body according to claim 1, characterized in that: the PTC graphene heating coating is in a plurality of parallel stripe types and is in one or a combination of a linear type, a wave type and a broken line type.
8. A novel graphene self-limiting temperature exothermic body according to claim 1, characterized in that: PTC graphite alkene heating coat is the network structure of fretwork, and the mesh is circular or polygon or is unanimous with the LOGO shape of product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340710.XU CN212034366U (en) | 2020-03-18 | 2020-03-18 | Novel graphite alkene is from limit for temperature heat-generating body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340710.XU CN212034366U (en) | 2020-03-18 | 2020-03-18 | Novel graphite alkene is from limit for temperature heat-generating body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212034366U true CN212034366U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020340710.XU Expired - Fee Related CN212034366U (en) | 2020-03-18 | 2020-03-18 | Novel graphite alkene is from limit for temperature heat-generating body |
Country Status (1)
| Country | Link |
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| CN (1) | CN212034366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114631748A (en) * | 2022-03-29 | 2022-06-17 | 牛墨石墨烯应用科技有限公司 | Heating towel plane support based on graphene thermosensitive electrothermal film |
-
2020
- 2020-03-18 CN CN202020340710.XU patent/CN212034366U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114631748A (en) * | 2022-03-29 | 2022-06-17 | 牛墨石墨烯应用科技有限公司 | Heating towel plane support based on graphene thermosensitive electrothermal film |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |