CN214481335U - Graphene heating film with over-temperature protection function - Google Patents
Graphene heating film with over-temperature protection function Download PDFInfo
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- CN214481335U CN214481335U CN202120448767.6U CN202120448767U CN214481335U CN 214481335 U CN214481335 U CN 214481335U CN 202120448767 U CN202120448767 U CN 202120448767U CN 214481335 U CN214481335 U CN 214481335U
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- heating film
- ceramic ptc
- graphene heating
- graphite alkene
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Abstract
The utility model discloses a graphene heating film with over-temperature protection, which comprises a graphene heating film, both ends of the graphene heating film are respectively provided with a positive electrode and a negative electrode, a ceramic PTC plate is attached to the graphene heating film, two ends of the ceramic PTC plate are respectively connected with a power supply and an anode lead, the other end of the anode lead is connected with the anode on the graphene heating film, the negative electrode is connected with a negative electrode lead and is connected to a power supply through the negative electrode lead, the thickness of the ceramic PTC plate is 0.01-0.2 mm, the Curie temperature of the ceramic PTC plate is 120-160 ℃, the utility model has the advantages that the ceramic PTC plate is jointed on the graphene heating film, the temperature of the ceramic PTC plate and the temperature of the graphene heating film synchronously rise and fall, when the temperature reaches the Curie temperature of the ceramic PTC plate, the PTC effect is triggered, the resistance of the ceramic PTC plate is rapidly increased, and therefore the graphene heating plate is powered off to play a role in over-temperature protection.
Description
Technical Field
The utility model relates to a graphite alkene heating film, specifically speaking are graphite alkene heating film with excess temperature protection.
Background
The existing graphene heating film is commonly used for floor heating, wall heating and the like, and is uniform in heating and stable in temperature maintenance under the condition of no external force. However, when a certain part is pressed, the local part of the part can be greatly heated and scalded, and the human body is scalded. In addition, the heating film has no short circuit protection function, and is easy to cause safety accidents due to fire when water enters or a short circuit is caused by being punctured by external force.
If the application number is 201810598602.X graphene electric heating floor, a graphene heating body is arranged in the floor, and a heat insulation layer is arranged below the graphene heating body; two side surfaces of the floor are provided with electric plugs, and wires of the electric plugs are connected with wires of the graphene heating body. According to the invention, the graphene is used as a heating source, so that the heat conduction characteristic of the graphene can be well utilized, and the electric-heat conversion efficiency is improved. Graphene is coated on a special film, and a current-carrying strip of a metal medium is used as a conductive end, so that the graphene generates heat after being electrified, generates heat radiation, and can be used for indoor heating.
Application No. 201711485695.7 provides a graphene composite heating film, comprising: a graphene heating film; a first insulating film and a second insulating film, the graphene heating film being disposed between the first insulating film and the second insulating film; and the terminal is arranged on the graphene heating film. The invention also provides a method for preparing the graphene composite heating film. The graphene composite heating film provided by the invention has excellent thermal conductivity, good strength, folding resistance and bending resistance, can be cleaned, and is suitable for being used as a wearable heating material.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims to provide a graphite alkene heating film with excess temperature protection to prior art not enough.
The technical scheme is as follows: a graphite alkene heating film with excess temperature protection, including graphite alkene heating film, graphite alkene heating film's both ends are equipped with anodal and negative pole respectively, graphite alkene heating film facing has ceramic PTC board, the both ends of pottery PTC board are connected with power and anodal wire respectively, the other end of anodal wire is connected on graphite alkene heating film's the positive pole, be connected with the negative pole wire on the negative pole and be connected to the power through the negative pole wire, the thickness of pottery PTC board is 0.01~0.2mm, the curie temperature of pottery PTC board is 120~160 ℃.
Preferably, the ceramic PTC plate has a thickness of 0.05mm and a curie temperature of 120 ℃.
Preferably, the ceramic PTC plate is formed by connecting a plurality of connected single ceramic PTC sheets.
Preferably, the transversely connected single ceramic PTC sheets are connected through a rubber connecting piece, and the longitudinally connected single ceramic PTC sheets are connected through a flexible conductor connecting piece.
The utility model discloses compare and have following beneficial effect in prior art: laminating pottery PTC board on graphite alkene heating film, the temperature synchronization of pottery PTC board and graphite alkene heating film goes up and down, when the temperature reaches the curie temperature of pottery PTC board, triggers the PTC effect, and the resistance of pottery PTC board increases rapidly to the board outage that generates heat to graphite alkene is in order to play the effect of excess temperature protection.
Drawings
Fig. 1 is a schematic structural diagram of the graphene heating film with over-temperature protection according to the present invention.
In the figure: 1. a graphene heating film; 2. a ceramic PTC sheet; 3. a power source; 4. a positive electrode lead; 5. and a negative electrode lead.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for convenience in describing and simplifying the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
The utility model provides a graphite alkene heating film with excess temperature protection, including graphite alkene heating film 1, graphite alkene heating film 1's both ends are equipped with anodal and negative pole respectively, graphite alkene heating film 1 upper cover is with ceramic PTC board 2, the both ends of ceramic PTC board 2 are connected with power 3 and anodal wire 4 respectively, the other end of anodal wire 4 is connected on the positive pole on graphite alkene heating film 1, be connected with negative pole wire 5 on the negative pole and be connected to power 3 through negative pole wire 5, the thickness of ceramic PTC board 2 is 0.01~0.2mm, the curie temperature of ceramic PTC board 2 is 120~160 ℃. This technical scheme laminating pottery PTC board 2 on graphite alkene heating film, the temperature synchronization of pottery PTC board 2 and graphite alkene heating film goes up and down, when the temperature reached the curie temperature of pottery PTC board 2, triggers the PTC effect, and the resistance of pottery PTC board 2 increases rapidly to the effect of the power failure in order to play the excess temperature protection to graphite alkene heating plate.
In specific implementation, the thickness of the ceramic PTC plate 2 is set to 0.05mm, and the curie temperature of the ceramic PTC plate 2 is set to 120 ℃.
In order to impart a certain flexibility to the ceramic PTC panel 2, the ceramic PTC panel 2 is formed by connecting a plurality of connected monolithic ceramic PTC sheets, and in order to ensure sufficient electrical conductivity, the transversely connected monolithic ceramic PTC sheets are connected by rubber connecting members, and the longitudinally connected monolithic ceramic PTC sheets are connected by flexible conductor connecting members.
In the present invention, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacting the first feature and the second feature or indirectly contacting the first feature and the second feature through an intermediate. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example.
Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a graphite alkene heating film with excess temperature protection, includes graphite alkene heating film, graphite alkene heating film's both ends are equipped with anodal and negative pole, its characterized in that respectively: the utility model discloses a graphite heater, including graphite alkene heating film, graphite alkene heating film facing is with ceramic PTC board, the both ends of ceramic PTC board are connected with power and anodal wire respectively, the other end of anodal wire is connected on the positive pole on the graphite alkene heating film, be connected with the negative pole wire on the negative pole and be connected to on the power through the negative pole wire, the thickness of ceramic PTC board is 0.01~0.2mm, the Curie temperature of ceramic PTC board is 120~160 ℃.
2. The graphene heating film with over-temperature protection function according to claim 1, wherein: the thickness of the ceramic PTC plate is 0.05mm, and the Curie temperature of the ceramic PTC plate is 120 ℃.
3. The graphene heating film with over-temperature protection function according to claim 1, wherein: the ceramic PTC plate is formed by connecting a plurality of connected single ceramic PTC sheets.
4. The graphene heating film with over-temperature protection function according to claim 3, wherein: the transversely connected single ceramic PTC sheets are connected through rubber connecting pieces, and the longitudinally connected single ceramic PTC sheets are connected through flexible conductor connecting pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120448767.6U CN214481335U (en) | 2021-03-02 | 2021-03-02 | Graphene heating film with over-temperature protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120448767.6U CN214481335U (en) | 2021-03-02 | 2021-03-02 | Graphene heating film with over-temperature protection function |
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| Publication Number | Publication Date |
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| CN214481335U true CN214481335U (en) | 2021-10-22 |
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| CN202120448767.6U Active CN214481335U (en) | 2021-03-02 | 2021-03-02 | Graphene heating film with over-temperature protection function |
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- 2021-03-02 CN CN202120448767.6U patent/CN214481335U/en active Active
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