CN210431923U - Graphene heating film and heating device - Google Patents
Graphene heating film and heating device Download PDFInfo
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- CN210431923U CN210431923U CN201921169304.5U CN201921169304U CN210431923U CN 210431923 U CN210431923 U CN 210431923U CN 201921169304 U CN201921169304 U CN 201921169304U CN 210431923 U CN210431923 U CN 210431923U
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Abstract
The utility model discloses a graphene heating film and a heating device, wherein the graphene heating film comprises a bottom film, a graphene heating film, two metal foil strips and a top film which are sequentially laminated from bottom to top, and the two metal foil strips are positioned on two sides of the graphene heating film; still include conductive adhesive layer, conductive adhesive layer is located between metal foil strip and the graphite alkene heating film. The silver paste coating is not needed, the safety is higher, the quality is stable, and the service life is longer.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to a graphite alkene heating film and device that generates heat.
Background
In the prior art, a graphene heating film in the graphene heating film is generally connected with an electrode through coating silver paste, and the quality problems of sparks and ignition can occur due to poor contact between a silver paste coating and the electrode, so that the quality of the graphene heating film is unstable and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art not enough, the utility model aims to provide a graphite alkene heating film, it need not silver thick liquid coating, has higher security, and stable in quality, and life is longer.
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:
the graphene heating film comprises a bottom film, a graphene heating film, two metal foil strips and a top film, wherein the bottom film, the graphene heating film, the two metal foil strips and the top film are sequentially attached from bottom to top; still include conductive adhesive layer, conductive adhesive layer is located between metal foil strip and the graphite alkene heating film.
Preferably, the wire clamping device further comprises a wire clamping ring, wherein the wire clamping ring is arranged at one end of the metal foil strip and is electrically connected with the metal foil strip.
Preferably, the bottom film and the top film are both polyimide films.
Preferably, the metal foil strip is a copper foil strip.
Preferably, the width of the metal foil strip is 0.5-1.5 cm.
The utility model discloses still include a device that generates heat, including wire, power supply terminal, temperature sensor, temperature limiter and above-mentioned arbitrary item graphite alkene heating film, the power supply terminal is connected with two metal foil strips electricity respectively through two wires, the temperature limiter sets up respectively on two wires, is located between power supply terminal and the metal foil strip, temperature sensor is connected with the power supply terminal electricity.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses in, adopt the conductive adhesive layer to replace silver thick liquid coating, effectively avoided silver thick liquid coating and electrode contact not good can spark, the quality problems on fire, improved the security greatly, and the quality is more stable, and life is longer.
Drawings
Fig. 1 is a schematic structural view of a graphene heating film according to the present invention;
fig. 2 is a cross-sectional view of the graphene heating film in fig. 1;
fig. 3 is a schematic structural view of a heating device of the present invention;
wherein, 1 is basement membrane, 2 is graphite alkene heating film, 3 is the conducting resin layer, 4 is the metal foil strip, 5 is the epiphragma, 6 is the clip ring, 71 is the power supply terminal, 72 is the temperature limiter, 73 is temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a graphene heating film, which comprises a bottom film 1, a graphene heating film 2, two metal foil strips 4 and a top film 5 which are sequentially laminated from bottom to top, wherein the two metal foil strips 4 are positioned at two sides of the graphene heating film 2 to form two electrodes of the graphene heating film 2; still include conductive adhesive layer 3, conductive adhesive layer 3 is located between metal foil strip 4 and graphite alkene heating film 2.
Specifically, the wire clamping device further comprises a wire clamping ring 6, wherein the wire clamping ring 6 is provided with one end of the metal foil strip 4 and is electrically connected with the metal foil strip 4; the wire clamping ring 6 can penetrate through the graphene heating film. The bottom film 1 and the top film 5 are both polyimide films. The metal foil strip 4 is a copper foil strip; the width of the metal foil strip 4 is 0.5-1.5 cm.
The utility model discloses still include a device that generates heat, including wire, power supply terminal 71, temperature limiter 72, temperature sensor 73 and the aforesaid graphite alkene heating film, power supply terminal 71 is connected with two metal foil strips 4 electricity respectively through two wires, and temperature limiter 72 sets up respectively on two wires, is located between power supply terminal 71 and the metal foil strip 4, and temperature sensor 73 is connected with power supply terminal 71 electricity. The power supply terminal 71 with be convenient for with external power supply connection, temperature sensor 73 can realize the real-time supervision to the space temperature that graphite alkene heating film is located, the heating power of auxiliary control graphite alkene heating film, the limit for temperature ware is used for guaranteeing graphite alkene heating film's the highest temperature, realizes power-off protection when the high temperature.
Example 1
Coating conductive adhesive on the metal foil strip, and then heating the bottom film and the grapheneThe film, the metal foil strip coated with the conductive adhesive and the top film are subjected to cold pressing: pressure 3kg/cm2And pressing the materials together at a rolling pressing speed of 20M/min to obtain the graphene heating film M-1.
Example 2
Coating a conductive adhesive on the metal foil strip, and then hot-pressing the bottom film, the graphene heating film, the metal foil strip coated with the conductive adhesive and the top film: the temperature is 180 ℃ and the pressure is 15kg/cm2And pressing the materials together at a rolling speed of 5M/min to obtain the graphene heating film M-2.
Example 3
Coating a conductive adhesive on the metal foil strip, and then hot-pressing the bottom film, the graphene heating film, the metal foil strip coated with the conductive adhesive and the top film: the temperature is 185 ℃ and the pressure is 15kg/cm2And statically pressing for 15s to obtain the graphene heating film M-3.
Example 4
The graphene heating films M-1-M-3 prepared in the embodiments 1-3 are subjected to long-time electrifying detection, the heating efficiency is stable, the electrification between the metal foil strips and the graphene heating film is stable, no electric spark is generated, the safety is greatly improved, and the service life of the graphene heating film is far superior to that of a silver paste conductive graphene heating film.
After the graphene heating films M-1-M-3 are respectively assembled with the lead, the power terminal 71, the temperature limiter 72 and the temperature sensor 73, the graphene heating films are used for defrosting air-cooled refrigerators, auxiliary heating air conditioners, electric kettles, electric ovens, engine heating devices, automobile seat heating films, automobile glass anti-fog heating films, automobile rearview mirror heating and water mist removal, electric automobile power supply heat management systems and the like, the heating effect is remarkable, and the energy consumption is greatly reduced.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (6)
1. The graphene heating film comprises a bottom film, a graphene heating film, two metal foil strips and a top film, wherein the bottom film, the graphene heating film, the two metal foil strips and the top film are sequentially attached from bottom to top; the graphene heating film is characterized by further comprising a conductive adhesive layer, wherein the conductive adhesive layer is located between the metal foil strip and the graphene heating film.
2. The graphene heating film according to claim 1, further comprising a wire clamping ring, wherein the wire clamping ring is disposed at one end of the metal foil strip and electrically connected to the metal foil strip.
3. The graphene exothermic film according to claim 1, wherein the bottom film and the top film are both polyimide films.
4. The graphene heating film according to claim 1, wherein the metal foil strip is a copper foil strip.
5. The graphene heating film according to claim 4, wherein the width of the metal foil strip is 0.5-1.5 cm.
6. A heating device is characterized by comprising a lead, a power supply terminal, a temperature sensor, a temperature limiter and the graphene heating film as claimed in any one of claims 1 to 5, wherein the power supply terminal is electrically connected with two metal foil strips through two leads respectively, the temperature limiter is arranged on the two leads respectively and positioned between the power supply terminal and the metal foil strips, and the temperature sensor is electrically connected with the power supply terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169304.5U CN210431923U (en) | 2019-07-24 | 2019-07-24 | Graphene heating film and heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169304.5U CN210431923U (en) | 2019-07-24 | 2019-07-24 | Graphene heating film and heating device |
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| Publication Number | Publication Date |
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| CN210431923U true CN210431923U (en) | 2020-04-28 |
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| CN201921169304.5U Active CN210431923U (en) | 2019-07-24 | 2019-07-24 | Graphene heating film and heating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418440A (en) * | 2019-07-24 | 2019-11-05 | 袁炼 | Graphene heating film, heat generating device and its application |
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2019
- 2019-07-24 CN CN201921169304.5U patent/CN210431923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418440A (en) * | 2019-07-24 | 2019-11-05 | 袁炼 | Graphene heating film, heat generating device and its application |
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