CN220368813U - Electric kang film - Google Patents
Electric kang film Download PDFInfo
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- CN220368813U CN220368813U CN202321488847.XU CN202321488847U CN220368813U CN 220368813 U CN220368813 U CN 220368813U CN 202321488847 U CN202321488847 U CN 202321488847U CN 220368813 U CN220368813 U CN 220368813U
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- kang
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- 239000010410 layer Substances 0.000 claims abstract description 185
- 238000010438 heat treatment Methods 0.000 claims abstract description 76
- 238000009413 insulation Methods 0.000 claims abstract description 49
- 239000012790 adhesive layer Substances 0.000 claims abstract description 26
- 238000010304 firing Methods 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims abstract 4
- 239000000758 substrate Substances 0.000 claims description 30
- 239000004831 Hot glue Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 15
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 10
- 230000007935 neutral effect Effects 0.000 claims description 8
- 239000004745 nonwoven fabric Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 8
- 238000005485 electric heating Methods 0.000 abstract description 5
- 239000011230 binding agent Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000020169 heat generation Effects 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000000465 moulding Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
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- Surface Heating Bodies (AREA)
Abstract
The utility model relates to the technical field of electric heating films and discloses an electric kang film which comprises a heating film layer, a firing line connected with the heating film layer, a zero line connected with the heating film layer, a temperature controller connected with the firing line and the zero line respectively and a plug connected with the temperature controller; the upper surface of the heating film layer is provided with a first heat insulation layer, and a first adhesive layer is arranged between the first heat insulation layer and the heating film layer; the lower surface of the heating film layer is provided with a second heat insulation layer, and a second adhesive layer is arranged between the second heat insulation layer and the heating film layer. Through setting up the rete that generates heat that is used for converting the electric energy into heat energy for prevent the first thermal-insulated heat preservation and the second thermal-insulated heat preservation of the too quick loss of heat that generates heat rete produced, be used for with first thermal-insulated heat preservation, generate heat rete and the first binder layer and the second binder layer that the second thermal-insulated heat preservation is in the same place of bonding, make the heated kang membrane have characteristics such as generate heat, generate heat holding time length.
Description
Technical Field
The utility model relates to the technical field of electrothermal films, in particular to an electrothermal film.
Background
Kang is widely applied in north, such as a kang heating by using hot gas generated by burning coal, firewood and the like in rural areas, products such as electric kang plates/electric heating films and the like which are placed on kang and are converted into heat energy by using electric energy are increasingly popular with consumers along with the increase of the living economic level of people and the increase of the number of commodity houses. The electric heated kang is usually already laid with the electric circuit when the house is decorated, because the cost of the later refitting is too high. The electric heated kang plate is large in size, heavy in weight and large in storage difficulty, so that the audience of the electric heating film for kang is wider. The electric heating film for kang with the publication number of CN216854259U comprises an electric heating film, a temperature controller and a plug; the electrothermal film comprises a copper sheet, a heating strip and a polyester film; the copper sheets are arranged in two left and right parts and are respectively connected with the live wire and the zero line, the heating strips are arranged in a plurality of strips, and the end parts of the heating strips are respectively connected with the two copper sheets. When the electric bed is used, the electric kang film is paved under a mat or a bedding, the plug is connected with the mains supply, and the temperature of the heating strip is controlled through the temperature controller, so that the bed is warmed. However, the upper surface and the lower surface of the heating film are directly contacted with the mat/bedding and kang, and the heat generated by the heating strip is easy to dissipate, so that the energy consumption is increased.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the shortcomings of the prior art, the utility model aims to provide an electric kang film, which aims to solve the problems that the heat of the existing electric kang film is easy to dissipate and the energy consumption is increased.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an electric kang film comprises a heating film layer, a firing line connected with one side of the heating film layer, a zero line connected with the other side of the heating film layer, a temperature controller connected with the firing line and the zero line respectively, and a plug connected with the temperature controller; the upper surface of the heating film layer is provided with a first heat insulation layer, and a first adhesive layer is arranged between the first heat insulation layer and the heating film layer; the lower surface of the heating film layer is provided with a second heat insulation layer, and a second adhesive layer is arranged between the second heat insulation layer and the heating film layer.
The electric kang film comprises a first heat insulation layer and a second heat insulation layer, wherein the first heat insulation layer and the second heat insulation layer are flame-retardant non-woven fabric heat insulation layers.
The electric kang film comprises a live wire and a zero wire, wherein the live wire and the zero wire comprise a temperature resistant section and a non-temperature resistant section, and the boundary point of the temperature resistant section and the non-temperature resistant section is 120 ℃; the heat-resistant section is located inside the heating film layer, the non-heat-resistant section is located outside the heating film layer, the non-heat-resistant section is connected with the heat-resistant section, and a heat-shrinkable sleeve is arranged at the interface.
The electric kang film comprises a first heat insulation layer, a second heat insulation layer and a lower cover, wherein the first heat insulation layer is arranged on the lower surface of the first heat insulation layer, the lower cover is arranged on the lower surface of the second heat insulation layer, the upper cover and the lower cover are mutually covered, and grooves for the heat-resistant sections to pass through are formed in the upper cover and the lower cover.
The electric kang film comprises an upper cover and a lower cover, wherein the upper cover and the lower cover are respectively provided with a mounting hole penetrating through the upper cover and the lower cover, and screws are connected in the mounting holes.
The electric kang film is arranged as two or more than two electric kang films, and the zero line and the fire line on the two or more than two electric kang films extend to the outside of the heating film layer and are connected with the temperature controller; the lengths of the neutral and live wires are different from each other.
The heating film layer comprises a first insulating substrate layer, a heating material layer and a second insulating substrate layer which are sequentially arranged from top to bottom; the first insulating substrate layer, the heating material layer and the second insulating substrate layer are integrally formed in a pressing mode.
The electric kang film comprises a first insulating substrate layer and a second insulating substrate layer, wherein the first insulating substrate layer and the second insulating substrate layer are PET insulating substrate layers or PI insulating substrate layers.
The electric kang film comprises a first adhesive layer, a second adhesive layer, a hot melt adhesive layer and a conductive adhesive layer, wherein the first adhesive layer and the second adhesive layer are hot melt adhesive layers, and the hot melt adhesive layers are net-shaped.
The electric kang film is characterized in that the hot melt adhesive bonding layer is a flame-retardant hot melt adhesive bonding layer.
The beneficial effects are that:
the utility model provides an electric kang film, which is characterized in that a heating film layer for converting electric energy into heat energy is arranged, a first heat insulation layer and a second heat insulation layer for preventing heat generated by the heating film layer from being scattered too fast are arranged, and a first adhesive layer and a second adhesive layer for bonding the first heat insulation layer, the heating film layer and the second heat insulation layer together are arranged, so that the electric kang film has the characteristics of heating, long heating and heat preservation time and the like.
Drawings
Fig. 1 is a top view of an electric kang film provided by the utility model.
Fig. 2 is an exploded view of one of the kang films.
Fig. 3 is a layered structure diagram of the electric kang film.
Fig. 4 is a schematic structural view of the portion a in fig. 2.
Fig. 5 is an exploded schematic view of the upper and lower covers.
Fig. 6 is a schematic view of the upper and lower covers after they are closed.
Description of main reference numerals: 1-first heat insulation layer, 2-first binder layer, 31-first insulating substrate layer, 32-heating material layer, 33-second insulating substrate layer, 34-live wire, 341-temperature resistant section, 342-non-temperature resistant section, 35-zero line, 36-heat shrinkage sleeve, 4-second binder layer, 5-second heat insulation layer, 6-upper cover, 61-slot, 62-mounting hole, 7-lower cover, 8-screw, 9-temperature controller and 10-plug.
Detailed Description
The utility model provides an electric kang film, which is used for making the purpose, technical scheme and effect of the utility model clearer and more definite, and the utility model is further described in detail below by referring to the attached drawings and examples. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, the present utility model provides an electric kang film, which comprises a heating film layer, a fire wire 34 connected with one side of the heating film layer, a zero line 35 connected with the other side of the heating film layer, a temperature controller 9 connected with the fire wire 34 and the zero line 35 respectively, and a plug 10 connected with the temperature controller 9; the upper surface of the heating film layer is provided with a first heat insulation layer 1, and a first adhesive layer 2 is arranged between the first heat insulation layer 1 and the heating film layer; the lower surface of the heating film layer is provided with a second heat insulation layer 5, and a second adhesive layer 4 is arranged between the second heat insulation layer 5 and the heating film layer.
In practical application, the first heat-insulating layer 1 is compounded on the upper surface of the heating film layer in a hot-pressing manner, the second heat-insulating layer 5 is compounded on the lower surface of the heating film layer in a hot-pressing manner, the structure between the layers is in a molten state after being heated by the first adhesive layer 2 and the second adhesive layer 4, and the structure between the layers is pressed by a press to form a lamellar structure. The first heat insulation layer 1 and the second heat insulation layer 5 are respectively arranged on the upper surface and the lower surface of the heating film layer, so that the heating film layer is prevented from being directly contacted with a kang, a mat or a bedding, the heating film layer is prevented from being scratched, damaged and the like, in addition, the first heat insulation layer 1 and the second heat insulation layer 5 also play a role in insulating heat generated by the heating film layer, and the generated heat is prevented from being scattered out of the environment with low temperature too fast, so that the energy saving purpose is achieved.
In some embodiments, the first thermal insulation layer 1 and the second thermal insulation layer 5 are both flame retardant nonwoven thermal insulation layers. The non-woven fabric is soft in texture, and is beneficial to improving the comfort level of people lying/sitting on the non-woven fabric. In addition, the non-woven fabric also has certain heat preservation performance, and after the heat generated by the heating film layer is transferred to the non-woven fabric, the heat can be continuously transferred to the mat/bedding. When the heating film layer generates sparks due to short circuit and the like, the non-woven fabric with flame retardant capability cannot be directly burnt, so that the occurrence time of fire can be prolonged.
Referring to fig. 2 and 3, in some embodiments, the live wire 34 and the neutral wire 35 each include a temperature resistant section 341 and a non-temperature resistant section 342, and a demarcation point of the temperature resistant section 341 and the non-temperature resistant section 342 is 120 ℃; the temperature resistant section 341 is located inside the heating film layer, the non-temperature resistant section 342 is located outside the heating film layer, the non-temperature resistant section 342 is connected with the temperature resistant section 341, and a heat shrinkage sleeve 36 is arranged at the interface. In the actual production process, because the temperature of the hot-pressing compounding is 120-130 ℃, the fire wire 34/zero line 35 with higher tolerance temperature is needed to be embedded into the heating film layer in advance, the free end with shorter length extends to the outside of the heating film layer, then the heating film layer is compounded with the first heat insulation layer 1 and the second heat insulation layer 5, and in order to reduce the manufacturing cost of the electric kang film, the fire wire 34/zero line 35 with poorer tolerance temperature and the fire wire 34/zero line 35 with higher tolerance temperature are combined, so that the fire wire 34/zero line 35 is prolonged according to the actual use requirement. Specifically, the temperature-resistant section 341 is a temperature-resistant glass fiber wire, and the non-temperature-resistant section 342 is a PVC wire.
Referring to fig. 2, 5 and 6, in some embodiments, the kang film further includes an upper cover 6 located on the upper surface of the first insulating layer 1, and a lower cover 7 located on the lower surface of the second insulating layer 5, where the upper cover 6 and the lower cover 7 are covered with each other, and grooves 61 for the heat resistant sections 341 to pass through are provided on the upper cover 6 and the lower cover 7. Because the tail ends of the heat-resistant sections 341 of the live wire 34 and the zero line 35 are positioned at the edge of the heating film layer, in order to fix the live wire 34 and the zero line 35 in the limited space of the slot 61, the upper cover 6 and the lower cover 7 are also required to be arranged at the edge for fixing the tail ends of the heat-resistant sections 341 of the live wire 34/the zero line 35 after the combination is completed, the live wire 34/the zero line 35 is prevented from moving in the heating film layer, so that the bonding layer between the layers is torn, the position of the torn electric kang film after the edge is torn becomes larger along with the length of the service time, and when foreign matters or hands can stretch into the position, potential safety hazards easily exist.
Referring to fig. 5 and 6, in some embodiments, the upper cover 6 and the lower cover 7 are provided with mounting holes 62 penetrating through the upper and lower sidewalls of the upper cover 6 and the lower cover 7, and screws 8 are connected in the mounting holes 62. When assembling, the live wire 34/zero wire 35 is positioned in the groove 61, then the upper cover 6 and the lower cover 7 are mutually covered, and the upper cover 6 and the lower cover 7 are fixed by the screw 8, thus completing the assembly.
Referring to fig. 1, in some embodiments, two or more pieces of the electric kang film are provided, and the zero line 35 and the live line 34 on the two or more pieces of the electric kang film extend to the outside of the heating film layer and are connected with the temperature controller 9; the lengths of the neutral wire 35 and the live wire 34 are different from each other. The preparation process of the electric kang film comprises the following steps: the first heat-insulating layer 1 and the first adhesive layer 2 are first hot-pressed and combined into an integral molding, the second heat-insulating layer 5 and the second adhesive layer 4 are hot-pressed and combined into an integral molding, and then the heating film layer and the two-layer structure formed by the two layers are combined again to obtain the finished product of the electric kang film. The size of the common household kang is seven m by two m, seven m by two m by one half, two m by one half, so that the size of the compound machine is required, the compound machine which meets the size is required to be ordered in actual production, the manufacturing cost is easy to increase, so that the electric kang film with the specification is required to be manufactured by being divided into two or more pieces, the two electric kang films are connected through the live wire 34/the zero wire 35, and the temperature control, the starting-up, the shutdown and other operations can be performed through the temperature controller 9. Specifically, the two kang films may be equal or unequal in size. More specifically, the temperature controller 9 may be a single temperature control type, a double temperature control type or a multiple temperature control type, that is, it is capable of controlling the temperatures of two or more kang films respectively, which is beneficial to improving the practicability and applicability of the kang films.
Referring to fig. 1, the socket is generally located on one side of the kang, so that the plurality of live wires 34/neutral wires 35 are required to be set to be different in length, i.e. one live wire 34/neutral wire 35 is longer, and the other live wire 34/neutral wire 35 is shorter, so as to adapt to the position of the socket.
Referring to fig. 2 and 3, in some embodiments, the heat generating film layer includes a first insulating substrate layer 31, a heat generating material layer 32, and a second insulating substrate layer 33 sequentially disposed from top to bottom; the first insulating substrate layer 31, the heating material layer 32 and the second insulating substrate layer 33 are integrally formed by lamination through a compounding machine. The heating material layer 32 is mainly used for converting electric energy into heat energy, so that the electric kang film generates heat to generate heat, and the heat is transferred to the mat/bedding to generate heat. The arrangement of the first insulating substrate layer 31 and the second insulating substrate layer 33 can prevent the occurrence of leakage problem, and is used for improving the safety of the heating material layer 32 when heating, so as to avoid fire.
In some embodiments, the first insulating substrate layer 31 and the second insulating substrate layer 33 are both PET insulating substrate layers or PI insulating substrate layers. PET has excellent physical and mechanical properties in a wider temperature range, the service temperature can reach 120 ℃, and the electrical insulation property is excellent, even under high temperature and high frequency, the electrical property is still better. PI is one of organic polymer materials with optimal comprehensive performance, the high temperature resistance reaches more than 400 ℃, the long-term use temperature range is-200-300 ℃, and the PI has high insulation performance.
In some embodiments, the first adhesive layer 2 and the second adhesive layer 4 are hot melt adhesive layers, and referring to fig. 2, the hot melt adhesive layers are net-shaped. The hot melt adhesive has viscosity after being heated, and can be compounded with the first heat insulation layer 1, the heating film layer and the second heat insulation layer 5 by hot pressing to form a sheet-shaped one-piece structure. The hot melt adhesive layer of the reticular structure has higher compound speed and smaller dosage compared with a roller coating type glue coating mode, and is more convenient to process and press.
In some embodiments, the hot melt adhesive layer is a flame retardant hot melt adhesive layer. And the flame-retardant hot melt adhesive is adopted for hot-pressing compounding, so that the occurrence time of a fire disaster can be prolonged, and the generation of a large fire disaster too fast can be avoided.
In summary, the first heat insulation layer 1 and the second heat insulation layer 5 for preventing the heat generated by the heat generation film layer from being dissipated too quickly are arranged on the heat generation film layer for converting the electric energy into the heat energy, and the first adhesive layer 2 and the second adhesive layer 4 for bonding the first heat insulation layer 1, the heat generation film layer and the second heat insulation layer 5 together, so that the electric kang film has the characteristics of heat generation, long heat generation and heat preservation time and the like. The heat insulation layer is defined to be flame-retardant non-woven fabric, so that the requirements of softness, heat preservation and flame retardance are met. The live wire 34/zero wire 35 is limited to a temperature resistant section 341 and a non-temperature resistant section 342, so that the manufacturing cost is reduced, and the manufacturing difficulty is reduced. The upper and lower covers 6 and 7, and the slot 61 are provided to prevent displacement of the hot/neutral wire 34/35. Mounting holes 62 and screws 8 are provided for firmly fixing the upper cover 6 and the lower cover 7 to the kang film. The number of the electric kang film is limited to two or more, so that the manufacturing cost is reduced. The first insulating base material layer 31 and the second insulating base material layer 33 are provided for preventing electric leakage of the heat generating material layer 32. And defining the material of the insulating substrate layer for improving the blocking effect of the insulating substrate layer. The adhesive layer is defined as hot melt adhesive, and the adhesion of each layered structure is realized by utilizing the characteristic of viscosity of the hot melt adhesive after being melted. The hot melt adhesive is limited to be flame-retardant and used for improving the safety performance of the electric kang film.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.
Claims (10)
1. An electric kang film comprises a heating film layer, a firing line connected with one side of the heating film layer, a zero line connected with the other side of the heating film layer, a temperature controller connected with the firing line and the zero line respectively, and a plug connected with the temperature controller; the heating film is characterized in that a first heat insulation layer is arranged on the upper surface of the heating film, and a first adhesive layer is arranged between the first heat insulation layer and the heating film; the lower surface of the heating film layer is provided with a second heat insulation layer, and a second adhesive layer is arranged between the second heat insulation layer and the heating film layer.
2. The heated kang film according to claim 1, wherein the first and second heat insulating layers are flame retardant non-woven fabric heat insulating layers.
3. The heated kang film according to claim 1, wherein the live wire and the zero wire both comprise a temperature resistant section and a non-temperature resistant section, and the demarcation point of the temperature resistant section and the non-temperature resistant section is 120 ℃; the heat-resistant section is located inside the heating film layer, the non-heat-resistant section is located outside the heating film layer, the non-heat-resistant section is connected with the heat-resistant section, and a heat-shrinkable sleeve is arranged at the interface.
4. The membrane of claim 3, further comprising an upper cover disposed on an upper surface of the first insulating layer, and a lower cover disposed on a lower surface of the second insulating layer, wherein the upper cover and the lower cover are mutually covered, and grooves for the heat-resistant section to pass through are disposed on the upper cover and the lower cover.
5. The membrane of claim 4, wherein the upper cover and the lower cover are provided with mounting holes penetrating through the upper and lower sidewalls of the upper cover and the lower cover, and screws are connected in the mounting holes.
6. The electric kang film according to claim 1, wherein the electric kang film is arranged in two or more than two pieces, and the zero line and the fire line on the two or more than two pieces of electric kang film extend to the outside of the heating film layer and are connected with the temperature controller; the lengths of the neutral and live wires are different from each other.
7. The heated kang film according to claim 1, wherein the heating film layer comprises a first insulating base material layer, a heating material layer, and a second insulating base material layer, which are sequentially arranged from top to bottom; the first insulating substrate layer, the heating material layer and the second insulating substrate layer are integrally formed in a pressing mode.
8. The membrane of claim 7, wherein the first insulating substrate layer and the second insulating substrate layer are each a PET insulating substrate layer or a PI insulating substrate layer.
9. The heated kang film according to claim 1, wherein the first adhesive layer and the second adhesive layer are hot melt adhesive layers, and the hot melt adhesive layers are net-shaped.
10. The heated kang film of claim 9, wherein the hot melt adhesive layer is a flame retardant hot melt adhesive layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321488847.XU CN220368813U (en) | 2023-06-12 | 2023-06-12 | Electric kang film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321488847.XU CN220368813U (en) | 2023-06-12 | 2023-06-12 | Electric kang film |
Publications (1)
Publication Number | Publication Date |
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CN220368813U true CN220368813U (en) | 2024-01-19 |
Family
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Family Applications (1)
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CN202321488847.XU Active CN220368813U (en) | 2023-06-12 | 2023-06-12 | Electric kang film |
Country Status (1)
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CN (1) | CN220368813U (en) |
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2023
- 2023-06-12 CN CN202321488847.XU patent/CN220368813U/en active Active
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