CN216795305U - Self-heating sheet material - Google Patents
Self-heating sheet material Download PDFInfo
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- CN216795305U CN216795305U CN202121475920.0U CN202121475920U CN216795305U CN 216795305 U CN216795305 U CN 216795305U CN 202121475920 U CN202121475920 U CN 202121475920U CN 216795305 U CN216795305 U CN 216795305U
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Abstract
The application provides a self-heating plate which comprises a heating component layer, a wood plate layer positioned on the front side of the heating component layer and a heat insulation layer positioned on the back side of the heating component layer; the heating component layer comprises two flame-retardant insulating films, and a graphene heating film and a conductive frame which are positioned between the two flame-retardant insulating films; the flame-retardant insulating film is respectively bonded with the corresponding wood board layer and the heat-insulating layer; the graphene heating film is connected with a conductive frame, and the conductive frame is provided with a power supply connector; and avoidance through holes for exposing the power supply connectors are formed in the plate surface of the heat insulation layer and the flame-retardant insulating film connected with the heat insulation layer. The power joint subassembly passes heat preservation external power supply in this application, has solved the problem that the electric wire leaks outward, simultaneously because the electric wire does not spill from the edge of panel, conveniently carries out the banding to panel and handles, is applicable to fields such as desk.
Description
Technical Field
The application relates to a plate, in particular to a self-heating plate.
Background
The electric heating plate is as a material that generates heat, by the life field such as extensively used for house heating, the floor that generates heat to and industrial field such as baking finish room, stoving room, traditional electric heating plate adopts the wire as the heat-generating body, for example, chinese utility model patent document that the publication number is CN207875068U discloses a many material composite board of spontaneous heating, and this panel includes: a lower die; an outer surface material layer installed in the lower mold; a heat conductive filling material layer installed in the lower mold and located above the outer layer surface material layer; a heating material layer installed in the lower mold and located above the heat conductive filling material layer; a heat-insulating reinforcing material layer installed in the lower mold and located above the heating material layer; and an upper mold covering the outer layer material layer, the heat conductive filling material layer, the heating material layer and the adiabatic reinforcing material layer and integrated with the lower mold. The heating material layer is an electric heating sheet or an electric heating wire.
Because of the oxidation of the metal wire at high temperature, the phenomena of metal corrosion, energy consumption and the like are easy to generate, and the service life is short. Graphene, as a new material, has electrical and thermal conductivity and is used for electrical heating plates in the recent years, for example, chinese patent application publication No. CN110001152A discloses a self-heating honeycomb composite plate, which includes a decorative surface material layer, a heating layer, and an aluminum honeycomb layer, which are sequentially bonded, wherein glass fiber polyurethane layers are disposed between the decorative surface material layer and the heating layer, between the heating layer and the aluminum honeycomb layer, and on the outer side of the aluminum honeycomb layer, and each glass fiber polyurethane layer is composed of a glass fiber layer and a polyurethane layer attached to the glass fiber layer, and the polyurethane layer is used for bonding the glass fiber layer, the decorative surface material layer, the heating layer, and the aluminum honeycomb layer to form an integral structure.
No matter adopt the heating plate of wire as the heat-generating body or adopt graphite alkene material as the heat-generating body, all there is the problem that the electric wire leaks outward and whole can not the banding, mainly is used as wallboard or floor, is not suitable for furniture equipment such as study table or desk.
Disclosure of Invention
Based on this, to the outer technical problem who leaks and can not the banding of traditional electric heating plate electric wire, this application provides a spontaneous heating panel based on graphite alkene.
The self-heating plate comprises a heating component layer, a wood plate layer positioned on the front side of the heating component layer and a heat insulation layer positioned on the back side of the heating component layer;
the heating component layer comprises two flame-retardant insulating films, a graphene heating film and a conductive frame, wherein the graphene heating film and the conductive frame are positioned between the two flame-retardant insulating films;
the graphene heating film is connected with a conductive frame, and the conductive frame is provided with a power supply connector;
and avoidance through holes for exposing the power supply connectors are formed in the plate surface of the heat insulation layer and the flame-retardant insulating film connected with the heat insulation layer.
The power plug is connected with power connection from the face of heat preservation, has solved the problem that the electric wire leaks outward, simultaneously because the electric wire does not spill from the edge of panel, conveniently carries out the banding to panel and handles, is applicable to fields such as desk.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
In an optional connection mode of the graphene heating film and the conductive frame, the graphene heating film is embedded in the conductive frame, and the edge of the graphene heating film is in contact fit with the conductive frame.
In another optional connection mode of the graphene heating film and the conductive frame, the graphene heating film and the conductive frame are arranged in an overlapping mode. The graphene heating film can be positioned close to the side of the wood board layer or the side of the heat preservation layer. Preferably, the side close to the heat preservation layer is more beneficial to the installation of the power connector.
Optionally, the conductive frame includes at least two parallel longitudinal conductive strips and a transverse conductive strip connecting the two longitudinal strips; the power supply connector is located on the transverse conductive strip.
Optionally, the longitudinal conductive strips and the transverse conductive strips are all made of a red copper film.
Optionally, a power connector limiting part is further embedded in the avoiding through hole.
Optionally, the power connector is a DC female connector.
Optionally, the heat-insulating layer is a wood board, and the thickness of the wood board is 2-200 mm. When the board is used as a board for a learning desk, the side of the board with the through holes is used as the back of the desktop, and the side of the board without the through holes is used as the front of the desktop.
Optionally, the heating component layers are connected by hot pressing combination; the heating component layer, the template layer and the heat-insulating layer are bonded by high-temperature-resistant glue.
Optionally, the heating element layer, the wood board layer and the heat insulation layer are edge-sealed.
Compare with current panel that generates heat, this application has one of following beneficial effect at least:
(1) the appearance is beautiful, and the integrity is strong;
(2) the heating efficiency is high, the heating speed is high, and the energy is saved;
(3) the plate has a large thickness range and high applicability;
(4) the manufacturing cost is low;
(5) the TVOC release amount is less, the service life is long, and the TVOC is more environment-friendly.
Drawings
FIG. 1 is a schematic view of a split structure of the plate of the present application;
FIG. 2 is a schematic view of a split structure of a heating element layer according to the present application;
FIG. 3 is a schematic view of an assembly structure of the power connector;
fig. 4 is a schematic cross-sectional view of the graphene heating film and the conductive frame when they are connected in an overlapping manner.
The reference numerals shown in the figures are as follows:
1-wood board layer 2-first flame-retardant insulating film 3-graphene heating film
4-conductive frame 5-power supply terminal 6-second flame-retardant insulating film
7-power supply connector limiting part 8-heat insulation layer 9-avoidance through hole
10-external power supply connection 11-adhesive layer.
41-longitudinal conductive strips 42-transverse conductive strips
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
For a better description and illustration of embodiments of the application, reference may be made to one or more of the drawings, but additional details or examples used in describing the drawings should not be construed as limiting the scope of any of the inventive concepts of the present application, the presently described embodiments, or the preferred versions.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
As shown in figure 1, the self-heating plate comprises a wood plate layer 1, a heat insulation layer 8 and a heating component layer located between the wood plate layer and the heat insulation layer, wherein the wood plate layer 1 is connected with the front side of the heating component layer, and the heat insulation layer 8 is connected with the back side of the heating component layer. The heating element layer, as shown in fig. 1 and 2, includes a first flame-retardant insulating film 2, a second flame-retardant insulating film 6, and a graphene heating film 3 and a conductive frame 4 between the first flame-retardant insulating film 2 and the second flame-retardant insulating film 6; the first flame-retardant insulating film 2 is connected with the wood board layer 1, and the second flame-retardant insulating film 6 is connected with the heat-insulating layer; the graphene heating film 3 is connected with the conductive frame 4, and the conductive frame 4 is provided with a power supply connector 5; the corresponding positions on the surface of the heat-insulating layer and the second flame-retardant insulating film 6 are provided with avoidance through holes 9 which penetrate through the second flame-retardant insulating film and the surface of the heat-insulating layer, the power connectors 5 are contained in the avoidance through holes, and the avoidance through holes are used for exposing the power connectors 5.
The power joint is from the external power supply of face department of heat preservation, has solved the problem that the electric wire leaks outward, simultaneously because the electric wire does not spill from the edge of panel, conveniently carries out the banding to panel and handles, is applicable to fields such as desk.
Graphite alkene heating film is connected with electrically conductive frame, and electrically conductive frame is connected with the outer wall power through its power connection, and graphite alkene heating film circular telegram back because graphite alkene's resistance is minimum, and the current flow is very big in consequently graphite alkene heating film, according to formula P UI U according to2And R, at the moment, the electric energy of the graphene heating film can be converted into heat energy, so that the heating function of the plate is realized.
As a connection mode of the graphene heating film and the conductive frame, the graphene heating film is connected with the conductive frame in an overlapping manner, and the graphene heating film may be located on a side close to the wood board layer or on a side close to the thermal insulation layer, as shown in fig. 1, 2 and 4, the graphene heating film is located on a side close to the wood board layer.
In other embodiments, the graphene heating film is embedded in the conductive frame, and the edge of the graphene heating film is in contact connection with the conductive frame.
As an alternative to the conductive frame material, the conductive frame is a frame made of a red copper film. The automatic film is thin and small in thickness, and as a flexible coating, the plasticity is high, the heating efficiency is high, the energy consumption is low, the service life is long, the red copper film is good in ductility, thin, high in conductivity, low in resistance and low in loss.
As an embodiment of the conductive frame, as shown in fig. 1 and 2, the conductive frame includes at least two longitudinal conductive strips 41 parallel to each other and a transverse conductive strip 42 connecting the two longitudinal strips; the power supply connection 5 is located on the transverse conducting bar 42.
The power supply connector 5 is positioned in the avoiding through hole 9, the external power supply connector penetrates through the avoiding through hole to be connected with the power supply connector, in a preferred embodiment, a power supply connector limiting part 7 is further embedded in the avoiding through hole, and under the guiding and limiting effects of the limiting part, the power supply connector and the external connector can be connected more quickly.
As a specific embodiment of the power connector, the power connector is a DC female connector, one end of the DC female connector is fixedly connected to the conductive frame, and the other end of the DC female connector extends into the avoiding through hole 9 and passes through the power connector limiting member 7. And the external power connector 10 is matched with a DC connector, and the DC connector penetrates through the limiting piece and is connected with a DC female connector. The DC connector can be a 7-shaped connector, the DC female connector, the DC connector and the limiting member can be commercially available standard components, and the assembly structure of the power connector is schematically shown in fig. 3.
The heat-insulating layer plays a role in heat insulation, and in one embodiment, the heat-insulating layer 8 is made of a wood board, and the thickness of the wood board is 2-200 mm. When the board is used for learning to manufacture the board, the side of the board layer with the through holes is used as the back surface of the desktop, and the side of the board layer without the through holes is used as the front surface of the desktop.
The heating element layer shown in fig. 2 can be combined and connected through hot pressing, the heating element layer, the wood board layer and the heat preservation layer are connected through the corresponding flame-retardant insulating films, the wood board layer and the heat preservation layer, the flame-retardant insulating films, the wood board layer and the heat preservation layer are bonded through high-temperature-resistant glue, for example, PUR glue, and high-temperature-resistant glue layers 11 (see fig. 4) are respectively formed between the first flame-retardant insulating film layer 2 and the wood board layer 1 and between the second flame-retardant insulating film layer 6 and the heat preservation layer 8.
The application of the board further comprises a wrapping edge for sealing the edge of the board, and the board is particularly suitable for the field of furniture such as study tables, office tables and wardrobes.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The self-heating plate comprises a heating component layer, a wood plate layer positioned on the front surface of the heating component layer and a heat insulation layer positioned on the back surface of the heating component layer; it is characterized in that the preparation method is characterized in that,
the heating component layer comprises two flame-retardant insulating films, a graphene heating film and a conductive frame, wherein the graphene heating film and the conductive frame are positioned between the two flame-retardant insulating films;
the graphene heating film is connected with a conductive frame, and the conductive frame is provided with a power supply connector;
and avoidance through holes for exposing the power supply connectors are formed in the plate surface of the heat insulation layer and the flame-retardant insulating film connected with the heat insulation layer.
2. The self-heating sheet material according to claim 1, wherein the graphene heating film is embedded in the conductive frame, and edges of the graphene heating film are in contact fit with the conductive frame.
3. The self-heating panel according to claim 1, wherein the graphene heating film is disposed to overlap the conductive frame.
4. The self-heating sheet according to claim 1, wherein the electrically conductive frame is a frame made of a red copper film.
5. The self-heating panel according to claim 1, wherein the conductive frame comprises at least two longitudinal conductive strips parallel to each other and a transverse conductive strip connecting the two longitudinal strips; the power supply connector is located on the transverse conductive strip.
6. The self-heating sheet material according to claim 1, wherein a power supply connector limiting piece is further embedded in the avoiding through hole.
7. The self-heating panel according to claim 1, wherein the power connector is a DC female connector.
8. The self-heating plate according to claim 1, wherein the heat-insulating layer is a wood plate, and the thickness of the wood plate is 2-200 mm.
9. The self-heating panel according to claim 1, wherein the heating element layers themselves are connected by a hot press combination; and the heating component layer, the template layer and the heat insulation layer are bonded by high-temperature-resistant glue.
10. The self-heating panel according to claim 1, further comprising a hem that seals the heating element layer, the wood sheet layer, and the insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121475920.0U CN216795305U (en) | 2021-06-30 | 2021-06-30 | Self-heating sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121475920.0U CN216795305U (en) | 2021-06-30 | 2021-06-30 | Self-heating sheet material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216795305U true CN216795305U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121475920.0U Active CN216795305U (en) | 2021-06-30 | 2021-06-30 | Self-heating sheet material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216795305U (en) |
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2021
- 2021-06-30 CN CN202121475920.0U patent/CN216795305U/en active Active
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