CA2736652A1 - Flexible electrothermal plate - Google Patents
Flexible electrothermal plate Download PDFInfo
- Publication number
- CA2736652A1 CA2736652A1 CA 2736652 CA2736652A CA2736652A1 CA 2736652 A1 CA2736652 A1 CA 2736652A1 CA 2736652 CA2736652 CA 2736652 CA 2736652 A CA2736652 A CA 2736652A CA 2736652 A1 CA2736652 A1 CA 2736652A1
- Authority
- CA
- Canada
- Prior art keywords
- film
- heating element
- flexible electrothermal
- electrothermal plate
- plate according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 239000002985 plastic film Substances 0.000 claims abstract description 13
- 229920006255 plastic film Polymers 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 229920001721 polyimide Polymers 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920006268 silicone film Polymers 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 2
- 235000013305 food Nutrition 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 31
- 239000012790 adhesive layer Substances 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000013039 cover film Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
- H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/013—Heaters using resistive films or coatings
Landscapes
- Resistance Heating (AREA)
- Surface Heating Bodies (AREA)
Abstract
A flexible electrothermal plate is a plate-typed heating device primarily formed by a flexible and insulative base film, a heating element, two electrodes, two connection plates and an insulative and protective plastic film. The flexible electrothermal plate can provide all kinds of heating functions and can be applied in warm keeping of clothing and shoes, heating and warm keeping of food products and articles, as well as heating and warm keeping in other areas.
Description
FLEXIBLE ELECTROTHERMAL PLATE
BACKGROUND OF THE INVENTION
(a) Field of the Invention The present invention relates to a flexible electrothermal plate and more particularly to a flexible electrothermal plate which is constituted by a flexible and insulative base film, a heating element, two electrodes, two connection plates and an insulative and protective plastic film. The flexible electrothermal plate provides all kinds of heating functions and can be applied to heat preservation of clothing and shoes, heating and warm keeping of foods and articles, as well as heating and warm keeping in other areas, such as heavy electrical machinery, car and motorcycle products, home appliances, medical products, freezing and air-conditioning products, mountain climbing products, baby supplies, cosmetic equipment, healthcare apparatuses and pet products.
(b) Description of the Prior Art An ordinary heating element (plate) can be separated into a hard element and a flexible element. The former is a conventional electrothermal furnace and the latter includes a defogging wire used in a car or an electrothermal blanket used in winter, etc. The flexible I
electrothermal device is generally in a plate shape and thus can be called an electrothermal plate, which is provided with a special convenience in application.
An insulative base film (substrate) used in the flexible electrothermal plate can be divided into a silicone film, a polyimide (PI) film and a polyester (PET) film. Using these three materials as the insulative base film (substrate) is characterized in that (1) they can replace an ordinary metal heater and are usually made into flexible, thin (standard thickness of 1.5mm) and planar heating elements, with a good flexibility that they can be tightly attached onto all kinds of curved surfaces or even surfaces of heated objects in an irregular shape or in a cylindrical shape; (2) they can resist with heat and are insulative to electricity, therefore they can be broadly applied in parts or equipment of machinery, such as preheating a toner in a photocopier or being used in a heating plate of a piping, etc.
FIG. 1 and FIG. 2 show the structure of flexible electrothermal plate using the abovementioned three materials as the base film (substrate).
The flexible electrothermal plate is primarily constituted by a base film 1 Oa, a heating element 20, an adhesive layer 30 and a cover film 1 Ob.
The heating element 20 is a metallic heating wire formed by printing or etching and is provided on a top surface of the base film 1 Oa after welding two ends of the metallic heating wire with. power lines 20a, 20b. In addition, the heating element 20 is provided with the adhesive layer 30 which fixes the heating element 20 between the base film 10a and the adhesive layer 30; whereas, a top surface of the adhesive layer 30 is then attached with the cover film 10b to provide insulation, isolation and protection to the heating element 20. The primary shortcoming of this kind of structure that uses the metallic heating wire as the heating element is that the electrothermal plate and a heated object can easily accumulate heat, resulting in local overheating or burnout. Therefore, if the issue of being easy to accumulate heat can be solved, then the shortcoming of the flexible heating plate will be improved.
SUMMARY OF THE INVENTION
The primary object of the present invention is to provide a "plate-type"
flexible electrothermal plate to improve the shortcoming that an existing flexible electrothermal plate may be locally overheated, burnt out or non-uniformly heated as the heat-up is from a metallic heating wire.
The technical means utilized by the present invention is to provide a flexible electrothermal plate including a base film which is a film substrate with a good thermal conductivity, insulation and flexibility; a heating element which is fixed on an inner side of a top surface of the base film and is a conductor that heats up totally by an impedance of current; two electrodes which are combined with conductors at two sides of a top surface of the heating element to transmit current to the heating element;
two connection plates which are combined and adhered at one end of the two electrodes to be welded with power lines, transmitting the current of the power lines to the conductors on the heating element through the electrodes; and a plastic film which is fixed on the base film by press bonding or adhesion and covers the heating element, the electrodes and the connection plates for insulation and protection.
In the abovementioned flexible electrothermal plate, the said base film includes a PI film, a polyamide film, a PET film or a silicone film.
In the abovementioned flexible electrothermal plate, the said heating element is an electric conductive film made of graphene, graphite or carbon.
In the abovementioned flexible electrothermal plate, the said electrode includes silver which is provided with a good electric conductivity, such as a silver colloid or a silver plate.
In the abovementioned flexible electrothermal plate, the said connection plate is a metal with a good electric conductivity, such as a copper foil or an aluminum foil.
BACKGROUND OF THE INVENTION
(a) Field of the Invention The present invention relates to a flexible electrothermal plate and more particularly to a flexible electrothermal plate which is constituted by a flexible and insulative base film, a heating element, two electrodes, two connection plates and an insulative and protective plastic film. The flexible electrothermal plate provides all kinds of heating functions and can be applied to heat preservation of clothing and shoes, heating and warm keeping of foods and articles, as well as heating and warm keeping in other areas, such as heavy electrical machinery, car and motorcycle products, home appliances, medical products, freezing and air-conditioning products, mountain climbing products, baby supplies, cosmetic equipment, healthcare apparatuses and pet products.
(b) Description of the Prior Art An ordinary heating element (plate) can be separated into a hard element and a flexible element. The former is a conventional electrothermal furnace and the latter includes a defogging wire used in a car or an electrothermal blanket used in winter, etc. The flexible I
electrothermal device is generally in a plate shape and thus can be called an electrothermal plate, which is provided with a special convenience in application.
An insulative base film (substrate) used in the flexible electrothermal plate can be divided into a silicone film, a polyimide (PI) film and a polyester (PET) film. Using these three materials as the insulative base film (substrate) is characterized in that (1) they can replace an ordinary metal heater and are usually made into flexible, thin (standard thickness of 1.5mm) and planar heating elements, with a good flexibility that they can be tightly attached onto all kinds of curved surfaces or even surfaces of heated objects in an irregular shape or in a cylindrical shape; (2) they can resist with heat and are insulative to electricity, therefore they can be broadly applied in parts or equipment of machinery, such as preheating a toner in a photocopier or being used in a heating plate of a piping, etc.
FIG. 1 and FIG. 2 show the structure of flexible electrothermal plate using the abovementioned three materials as the base film (substrate).
The flexible electrothermal plate is primarily constituted by a base film 1 Oa, a heating element 20, an adhesive layer 30 and a cover film 1 Ob.
The heating element 20 is a metallic heating wire formed by printing or etching and is provided on a top surface of the base film 1 Oa after welding two ends of the metallic heating wire with. power lines 20a, 20b. In addition, the heating element 20 is provided with the adhesive layer 30 which fixes the heating element 20 between the base film 10a and the adhesive layer 30; whereas, a top surface of the adhesive layer 30 is then attached with the cover film 10b to provide insulation, isolation and protection to the heating element 20. The primary shortcoming of this kind of structure that uses the metallic heating wire as the heating element is that the electrothermal plate and a heated object can easily accumulate heat, resulting in local overheating or burnout. Therefore, if the issue of being easy to accumulate heat can be solved, then the shortcoming of the flexible heating plate will be improved.
SUMMARY OF THE INVENTION
The primary object of the present invention is to provide a "plate-type"
flexible electrothermal plate to improve the shortcoming that an existing flexible electrothermal plate may be locally overheated, burnt out or non-uniformly heated as the heat-up is from a metallic heating wire.
The technical means utilized by the present invention is to provide a flexible electrothermal plate including a base film which is a film substrate with a good thermal conductivity, insulation and flexibility; a heating element which is fixed on an inner side of a top surface of the base film and is a conductor that heats up totally by an impedance of current; two electrodes which are combined with conductors at two sides of a top surface of the heating element to transmit current to the heating element;
two connection plates which are combined and adhered at one end of the two electrodes to be welded with power lines, transmitting the current of the power lines to the conductors on the heating element through the electrodes; and a plastic film which is fixed on the base film by press bonding or adhesion and covers the heating element, the electrodes and the connection plates for insulation and protection.
In the abovementioned flexible electrothermal plate, the said base film includes a PI film, a polyamide film, a PET film or a silicone film.
In the abovementioned flexible electrothermal plate, the said heating element is an electric conductive film made of graphene, graphite or carbon.
In the abovementioned flexible electrothermal plate, the said electrode includes silver which is provided with a good electric conductivity, such as a silver colloid or a silver plate.
In the abovementioned flexible electrothermal plate, the said connection plate is a metal with a good electric conductivity, such as a copper foil or an aluminum foil.
In the abovementioned flexible electrothermal plate, the said plastic film includes a top film and a lower film which tightly enclose the base film, the heating element, the electrodes and the connection plates by hot press bonding.
The flexible electrothermal plate disclosed by the present invention is provided with following benefits that: (1) the heating element heats up from a plate, which is different from the conventional heating element that heats up from a metallic heating wire; (2) the present invention can be bended freely to be attached on a heated object, increasing a contact area.between the heated object and the flexible electrothermal plate, such that an irregular-shaped object can be heated up uniformly and quickly, thereby improving the electrothermal efficiency.
To enable a further understanding of the said objectives and the technological methods of the invention herein, the brief description of the drawings below is followed by the detailed description of the preferred embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 shows a top view of a conventional assembly.
FIG. 2 shows a cutaway view along the line A-A in FIG. 1.
FIG. 3 shows a three-dimensional perspective view of a first embodiment of the present invention.
FIG. 4 shows a top view of FIG. 3.
FIG. 5 shows a cutaway view along the line B-B in FIG. 4.
FIG. 6 shows a cutaway view along the line C-C in FIG. 4.
FIG. 7 shows a top view of a second embodiment of the present invention.
FIG. 8 shows a cutaway view along the line D-D in FIG. 7.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Referring to FIGS. 3 through 6, it shows a first embodiment of the flexible electrothermal plate which comprises primarily a base film 40, a heating element 41, two electrodes 42, 43, two connection plates 44, 45 and a plastic film 48.
The said base film 40 is a flexible and insulative film substrate and can be a polyimide film, a polyamide film, a polyester film or a silicon film, preferably the polyimide film.
The said heating element 41 can be attached on an inner side of a top surface of the base film 40 by spray coating, printing or other means, and is fixed on the top surface of the base film 40 to form a layer of electric conductive film after drying, so as to produce heat energy. The said heating element 41 can use graphene, graphite or carbon as an electric conductive material.
The said electrodes 42, 43 are combined on two sides of a top surface of the heating element 41 to transmit current to the heating element 41 which is combined totally on the base film 40 to produce heat in a plane, which is able to improve the shortcoming that the metallic heating wire will be locally overheated and non-uniformly heated. The said electrodes 42, 43 are silver which is provided with a good electric conductivity.
The said connection plates 44, 45 are combined at one end of the two electrodes 42, 43 to provide welding with power lines 46, 47, thereby transmitting the current from the power lines 46, 47 to the heating element 41 through the electrodes 42, 43. The said connection plates 44, 45 include copper foils which are provided with a good electric conductivity.
The said plastic film 48 covers the heating element 41, the electrodes 42, 43 and the connection plates 44, 45 by press bonding or adhesion and is then fixed on the base film 40 to prevent the heating element 41 from oxidation and provide insulation and protection.
Referring to FIG. 7 and FIG. 8, it shows a second embodiment of the flexible electrothermal plate. The difference from the first embodiment lies in that the plastic film is changed into a top plastic film 49 and a lower plastic film 50 which tightly enclose the base film 40, the heating element 41, the electrodes 42, 43, the connection plates 44, 45 and the welding portions between the two ends of the power lines 46, 47 and the connection plates 44, 45 by hot press bonding, thereby providing a better water-proofing and insulation function.
It is of course to be understood that the two embodiments described herein is merely illustrative of the principles of the invention and that a wide variety of modifications thereto may be effected by persons skilled in the art without departing from the spirit and scope of the invention as set forth in the following claims.
The flexible electrothermal plate disclosed by the present invention is provided with following benefits that: (1) the heating element heats up from a plate, which is different from the conventional heating element that heats up from a metallic heating wire; (2) the present invention can be bended freely to be attached on a heated object, increasing a contact area.between the heated object and the flexible electrothermal plate, such that an irregular-shaped object can be heated up uniformly and quickly, thereby improving the electrothermal efficiency.
To enable a further understanding of the said objectives and the technological methods of the invention herein, the brief description of the drawings below is followed by the detailed description of the preferred embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 shows a top view of a conventional assembly.
FIG. 2 shows a cutaway view along the line A-A in FIG. 1.
FIG. 3 shows a three-dimensional perspective view of a first embodiment of the present invention.
FIG. 4 shows a top view of FIG. 3.
FIG. 5 shows a cutaway view along the line B-B in FIG. 4.
FIG. 6 shows a cutaway view along the line C-C in FIG. 4.
FIG. 7 shows a top view of a second embodiment of the present invention.
FIG. 8 shows a cutaway view along the line D-D in FIG. 7.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Referring to FIGS. 3 through 6, it shows a first embodiment of the flexible electrothermal plate which comprises primarily a base film 40, a heating element 41, two electrodes 42, 43, two connection plates 44, 45 and a plastic film 48.
The said base film 40 is a flexible and insulative film substrate and can be a polyimide film, a polyamide film, a polyester film or a silicon film, preferably the polyimide film.
The said heating element 41 can be attached on an inner side of a top surface of the base film 40 by spray coating, printing or other means, and is fixed on the top surface of the base film 40 to form a layer of electric conductive film after drying, so as to produce heat energy. The said heating element 41 can use graphene, graphite or carbon as an electric conductive material.
The said electrodes 42, 43 are combined on two sides of a top surface of the heating element 41 to transmit current to the heating element 41 which is combined totally on the base film 40 to produce heat in a plane, which is able to improve the shortcoming that the metallic heating wire will be locally overheated and non-uniformly heated. The said electrodes 42, 43 are silver which is provided with a good electric conductivity.
The said connection plates 44, 45 are combined at one end of the two electrodes 42, 43 to provide welding with power lines 46, 47, thereby transmitting the current from the power lines 46, 47 to the heating element 41 through the electrodes 42, 43. The said connection plates 44, 45 include copper foils which are provided with a good electric conductivity.
The said plastic film 48 covers the heating element 41, the electrodes 42, 43 and the connection plates 44, 45 by press bonding or adhesion and is then fixed on the base film 40 to prevent the heating element 41 from oxidation and provide insulation and protection.
Referring to FIG. 7 and FIG. 8, it shows a second embodiment of the flexible electrothermal plate. The difference from the first embodiment lies in that the plastic film is changed into a top plastic film 49 and a lower plastic film 50 which tightly enclose the base film 40, the heating element 41, the electrodes 42, 43, the connection plates 44, 45 and the welding portions between the two ends of the power lines 46, 47 and the connection plates 44, 45 by hot press bonding, thereby providing a better water-proofing and insulation function.
It is of course to be understood that the two embodiments described herein is merely illustrative of the principles of the invention and that a wide variety of modifications thereto may be effected by persons skilled in the art without departing from the spirit and scope of the invention as set forth in the following claims.
Claims (11)
1. A flexible electrothermal plate comprising:
a base film, which is a film substrate of good thermal conductivity, insulation and flexibility;
a heating element, which is fixed on an inner side of a top surface of the base film and is a conductor that heats up totally by an impedance of current;
two electrodes, which are combined at conductors at two sides of a top surface of the heating element to transmit current to the heating element;
two connection plates, which are combined and adhered at one end of the two electrodes to provide for welding with power lines, so as to transmit the current from the power lines to the conductors on the heating element through the electrodes; and a plastic film, which is fixed on the base film by press bonding or adhesion and covers the heating element, the electrodes and the connection places to provide insulation and protection.
a base film, which is a film substrate of good thermal conductivity, insulation and flexibility;
a heating element, which is fixed on an inner side of a top surface of the base film and is a conductor that heats up totally by an impedance of current;
two electrodes, which are combined at conductors at two sides of a top surface of the heating element to transmit current to the heating element;
two connection plates, which are combined and adhered at one end of the two electrodes to provide for welding with power lines, so as to transmit the current from the power lines to the conductors on the heating element through the electrodes; and a plastic film, which is fixed on the base film by press bonding or adhesion and covers the heating element, the electrodes and the connection places to provide insulation and protection.
2. The flexible electrothermal plate according to claim 1, wherein the base film is a polyimide film.
3. The flexible electrothermal plate according to claim 1, wherein the base film is a polyamide film.
4. The flexible electrothermal plate according to claim 1, wherein the base film is a polyester film.
5. The flexible electrothermal plate according to claim 1, wherein the base film is a silicone film.
6. The flexible electrothermal plate according to claim 1, wherein the heating element is an electric conductive film made of graphene.
7. The flexible electrothermal plate according to claim 1, wherein the heating element is an electric conductive film made of graphite.
8. The flexible electrothermal plate according to claim 1, wherein the heating element is an electric conductive film made of carbon.
9. The flexible electrothermal plate according to claim 1, wherein the electrode is a silver plate which is provided with a good electric conductivity.
10. The flexible electrothermal plate according to claim 1, wherein the connection plate is a copper foil which is provided with a good electric conductivity.
11. The flexible electrothermal plate according to claim 1, wherein the plastic film includes a top plastic film and a lower plastic film which tightly enclose the base film, the heating element, the electrodes and the connection plates by hot press bonding.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2736652 CA2736652A1 (en) | 2011-03-31 | 2011-03-31 | Flexible electrothermal plate |
| TW101205947U TWM447058U (en) | 2011-03-31 | 2012-03-30 | Flexibly electric heater sheet |
| CN 201220129163 CN202617386U (en) | 2011-03-31 | 2012-03-30 | Flexible electric heating sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2736652 CA2736652A1 (en) | 2011-03-31 | 2011-03-31 | Flexible electrothermal plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2736652A1 true CA2736652A1 (en) | 2012-09-30 |
Family
ID=46964774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2736652 Abandoned CA2736652A1 (en) | 2011-03-31 | 2011-03-31 | Flexible electrothermal plate |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN202617386U (en) |
| CA (1) | CA2736652A1 (en) |
| TW (1) | TWM447058U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017129663A1 (en) * | 2016-01-26 | 2017-08-03 | Haydale Graphene Industries Plc. | Heatable garment, fabrics for such garments, and methods of manufacture |
| CN107454693A (en) * | 2017-07-14 | 2017-12-08 | 成都三乙医疗科技有限公司 | A kind of portable rechargeable type heating plate |
| CN107454692A (en) * | 2017-07-14 | 2017-12-08 | 成都三乙医疗科技有限公司 | A kind of graphene heating plate |
| EP4156858A1 (en) * | 2021-09-28 | 2023-03-29 | BSH Hausgeräte GmbH | Contact unit and thick film heater for integration into a kitchen appliance bowl |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201442551A (en) * | 2013-04-16 | 2014-11-01 | Elite Optoelectronic Co Ltd | Electrically-conducting film structure capable of generating heat and manufacturing method thereof |
| CN103347315B (en) * | 2013-06-29 | 2015-09-30 | 周琳 | A kind of heating silica gel piece and preparation method thereof |
| CN103763794A (en) * | 2014-01-08 | 2014-04-30 | 甘肃方圆电热科技有限公司 | Low-temperature electrothermal film with metal net and construction technology thereof |
| CN104270841A (en) * | 2014-10-17 | 2015-01-07 | 无锡中车创想科技有限公司 | Electric blanket of motor train unit |
| CN104955181B (en) * | 2015-06-30 | 2019-02-26 | 广东天物新材料科技有限公司 | The thick film heating cloth of thick film heating body and application the thick film heating body |
| CN107031149A (en) * | 2017-04-28 | 2017-08-11 | 成都川烯科技有限公司 | A kind of super flexible fever tablet based on graphene |
| EP4102933B1 (en) * | 2021-06-07 | 2023-12-13 | Calefact Limited | Flexible heating device and methods of manufacture and use of same |
-
2011
- 2011-03-31 CA CA 2736652 patent/CA2736652A1/en not_active Abandoned
-
2012
- 2012-03-30 TW TW101205947U patent/TWM447058U/en not_active IP Right Cessation
- 2012-03-30 CN CN 201220129163 patent/CN202617386U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017129663A1 (en) * | 2016-01-26 | 2017-08-03 | Haydale Graphene Industries Plc. | Heatable garment, fabrics for such garments, and methods of manufacture |
| US20190029337A1 (en) * | 2016-01-26 | 2019-01-31 | Haydale Graphene Industries Plc | Heatable Garment, Fabrics for Such Garments, and Methods of Manufacture |
| US11122840B2 (en) | 2016-01-26 | 2021-09-21 | Haydale Graphene Industries Plc | Heatable garment, fabrics for such garments, and methods of manufacture |
| US11918061B2 (en) * | 2016-01-26 | 2024-03-05 | Haydale Graphene Industries Plc | Heatable garment, fabrics for such garments, and methods of manufacture |
| CN107454693A (en) * | 2017-07-14 | 2017-12-08 | 成都三乙医疗科技有限公司 | A kind of portable rechargeable type heating plate |
| CN107454692A (en) * | 2017-07-14 | 2017-12-08 | 成都三乙医疗科技有限公司 | A kind of graphene heating plate |
| EP4156858A1 (en) * | 2021-09-28 | 2023-03-29 | BSH Hausgeräte GmbH | Contact unit and thick film heater for integration into a kitchen appliance bowl |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202617386U (en) | 2012-12-19 |
| TWM447058U (en) | 2013-02-11 |
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