CN201374824Y - Film type electrical heater - Google Patents
Film type electrical heater Download PDFInfo
- Publication number
- CN201374824Y CN201374824Y CN200920106378U CN200920106378U CN201374824Y CN 201374824 Y CN201374824 Y CN 201374824Y CN 200920106378 U CN200920106378 U CN 200920106378U CN 200920106378 U CN200920106378 U CN 200920106378U CN 201374824 Y CN201374824 Y CN 201374824Y
- Authority
- CN
- China
- Prior art keywords
- film
- electric heater
- foil
- ohmal
- polyimide film
- 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.)
- Expired - Lifetime
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- 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
- H05B3/36—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heating conductor embedded in insulating material
-
- 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
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- Surface Heating Bodies (AREA)
Abstract
The utility model discloses a film type electrical heater, which comprises an upper polyimide film and a lower imide film, wherein an ohmal foil is tightly covered between the upper polyimide film and the lower imide film, and the upper polyimide film and the lower imide film are hermetically contacted to cover the ohmal foil inside; both ends of the ohmal foil are respectively provided with a welding point, each welding point is welded with a power wire used for connecting with an external power supply so as to heat the ohmal foil by power supply; the film type electrical heater has the thickness of 0.09mm to 0.14mm, and is capable of being made into any shape or size. The utility model can be applied to military and aviation equipment for heating special electrical products, and has the advantages of small thickness, light weight, soft performance, irradiation resistance, temperature change resistance, moisture resistance, high dielectric intensity, small thermal inertia, easy installation, long service life and the like.
Description
Technical field
The utility model relates to a kind of electric heater, relates in particular to a kind of film-type electric heater, belongs to the electronic component technology field.
Background technology
Electric heater is used very extensive in electronic product, is mainly used in some parts, space, vacuum environment heat temperature raising to electronic product.The electric heater kind that is used for electronic product in the prior art is a lot, mainly is divided into film-type, thimble tube, plasma flame spary coating type, vacuum evaporation type, electro-thermal coatings type etc.And film-type electric heater of the prior art comprises silicon rubber film electric heater, urea aldehyde thin-film electro heater and epoxy film electric heater.
The electric insulation layer of silicon rubber film electric heater is the glass cloth of dipping silicon rubber, and silicon rubber can be room temperature vulcanized or heat vulcanization type.The silicon rubber film electric heater uses the Manic silk as thermo electric material, and room temperature vulcanized silicone rubber thin-film electro heater thickness is more than 1.5mm, and tensile strength is low, and easily breaking in the surface, does not allow alternating bending.Also more than 1.5mm, tensile strength is greater than 1.96 * 108Pa for heat vulcanized silicone rubber thin-film electro heater thickness, and bending radius is greater than 3.2mm, and mass area ratio is greater than 0.12g/cm2.The silicon rubber film electric heater is radiation hardness not, is not suitable for the vacuum occasion, can not Long contact time oils, also be not suitable for the limited application in space.
Urea aldehyde thin-film electro heater is that the glass cloth therebetween of two-layer dipping Lauxite is with nichrome wire.The epoxy film electric heater is that the glass cloth therebetween of two-layer epoxy resin-impregnated is with nickel chromium triangle or Manic silk.These two kinds of resin material quality are hard than silicon rubber, also do not allow bending by the electric heater of these two kinds of resin material manufacturings.Urea aldehyde thin-film electro heater and epoxy film electric heater thickness are more than 1.5mm, and mass area ratio is greater than 0.10g/cm
2, be not suitable for the limited application in space.
The utility model content
The utility model provides a kind of film-type electric heater that adopts polyimides as insulating barrier in order to overcome the deficiencies in the prior art.
The utility model is achieved through the following technical solutions:
A kind of film-type electric heater, comprise upper strata polyimide film and lower floor's polyimide film, closely coat the Manic paillon foil between described upper strata polyimide film and the lower floor's polyimide film, be close to sealing between upper strata polyimide film and the following polyimide film, the Manic foil seal is coated on wherein, two terminations of described Manic paillon foil are established a solder joint respectively, power line of each solder joint welding, power line is used to connect external power source, is Manic paillon foil power supply heating.
Described film-type electric heater thickness is 0.09mm to 0.14mm, can have any shape, and is made into corresponding shape and size according to the projection of hardware to be heated or the needs of curved surface.
The beneficial effect that the utility model has with respect to prior art:
1, a kind of film-type electric heater thickness of the present utility model is 0.09mm to 0.14mm, and thinner thickness is fit to be applied to the limited application in space.
2, a kind of film-type electric heater quality softness of the present utility model, bending radius is 0.8mm to 1.0mm, allows alternating bending, easy and surface to be heated is that the radiator of curved surface fits tightly.
3, a kind of film-type electric heater mass area ratio of the present utility model is 0.023g/cm
2To 0.037g/cm
2, can reduce payload, reduce rocket launching power, satisfy the spacecraft requirement light to product weight.
4, a kind of film-type electric heater of the present utility model venting rate in a vacuum is less than 0.1%, and mass loss is less than 1%, and anti-dose of particle radiation is applicable to the vacuum environment and the outer space greater than 107rads.
5, a kind of film-type electric heater of the present utility model can 2 times to suitable with it coiling heater density of heat flow rate work, the insulating barrier life-span can prolong 10 times.
Description of drawings
Fig. 1 is a kind of film-type electric heater structural representation of the present utility model;
Fig. 2 is a kind of film-type electric heater electric heating part-structure schematic diagram of the present utility model.
Embodiment
Understand the technical solution of the utility model for one of ordinary skill in the art can be known, the existing work in conjunction with the accompanying drawings further at large illustrates:
A kind of film-type electric heater, comprise upper strata polyimide film 3 and lower floor's imide membrane 2, closely coat Manic paillon foil 1 between upper strata polyimide film 3 and the lower floor's polyimide film 2, two terminations of Manic paillon foil 1 are established a solder joint 5 respectively, each solder joint 5 connects a power line 4, and film-type electric heater thickness is 0.09mm to 0.14mm.
When manufacturing, by computer-aided design and etching process half-finished Manic paillon foil excess metal paillon foil partial corrosion is fallen, remainder is the Manic paillon foil 1 of shape and size on demand, each determines a solder joint on two terminations of Manic paillon foil 1, the Manic paillon foil of this moment is electrical heating elements, the Manic paillon foil is embedded between upper strata polyimide film 3 and the lower floor's imide membrane 2 again, upper strata polyimide film 3 and lower floor's imide membrane 2 be close to seal, before being close to sealing, on the solder joint of two terminations of Manic paillon foil, respectively weld a power line.The film-type electric heater was promptly manufactured and was formed this moment.Because Manic paillon foil 1 has conductivity, has certain resistance simultaneously, thereby can produce heat after the energising, for other electronic product that need heat provides heat.
The utlity model has following index:
Temperature range :-60 ℃ to 125 ℃;
The venting rate is applicable to vacuum environment less than 0.1%;
Mass loss is applicable to the outer space less than 1%;
To most of chemical substances as: acid, alkali etc. have anti-corrosion capability (except the NaOH);
If power line uses polyimide foam insulation to manufacture and forms its radiation hardness dosage: be higher than 107rads;
Quality: 0.023 to 0.037g/cm
2
Minimum bending radius: 0.8mm to 1.0mm;
Power density:, be usually less than 3.0W/cm by the radiating condition decision
2
Dielectric strength: under the 500V direct voltage, greater than 500M Ω;
Humidity range: less than 80%;
The resistance value precision: be higher than ± 0.5% or ± 0.2 Ω;
The purposes that has of the present utility model:
Be used to heat valve, pipeline and tanks viscosity with the control fluid.
Be used to heat precision parts and make its normal use under low temperature environment.As: heating cockpit display, instrument board, the gyroscope of naval vessels, the LCD of military ruggedized computer, the battery of outdoor equipment.
Be used to heat electronic chip.As: military portable wireless handheld terminal, outdoor card reader, portable and car-mounted computer chip part.
Be used for demist, deicing.As: the antifreeze pad of camera, the demist of environmental chamber window, microscope dresser demist, large-scale parabolic antenna deicing, prevent from motor or the instrument container condensation to take place.
Be used for medical analysis tester, photoelectronic device, the thermostatic control of precision instrument parts.As: keep DNA, the sampling pallet of blood, test tube, reagent bottle, medical ventilator, optical fiber components pad equitemperature to be in constant temperature.
Be used to replace earthenware resistance wire type electric heater.As: develop and print heater as heat in hot junction heater, the pattern imaging equipment in the hot physical property measurement equipment.
Claims (2)
1, a kind of film-type electric heater, it is characterized in that, comprise upper strata polyimide film (3) and lower floor's polyimide film (2), closely coat Manic paillon foil (1) between described upper strata polyimide film (3) and the lower floor's polyimide film (2), two terminations of described Manic paillon foil (1) are established a solder joint (5) respectively, and each solder joint (5) connects a power line (4).
2, a kind of film-type electric heater according to claim 1 is characterized in that, described film-type electric heater thickness is 0.09mm to 0.14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106378U CN201374824Y (en) | 2009-03-19 | 2009-03-19 | Film type electrical heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106378U CN201374824Y (en) | 2009-03-19 | 2009-03-19 | Film type electrical heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201374824Y true CN201374824Y (en) | 2009-12-30 |
Family
ID=41500906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920106378U Expired - Lifetime CN201374824Y (en) | 2009-03-19 | 2009-03-19 | Film type electrical heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201374824Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104999A (en) * | 2011-02-18 | 2011-06-22 | 合肥博谐电子科技有限公司 | Far infrared heating plate and manufacturing method thereof |
| EP2461644A1 (en) * | 2010-12-02 | 2012-06-06 | Ube Industries, Ltd. | Flexible heater and method for manufacturing the same |
| CN102510584A (en) * | 2011-09-14 | 2012-06-20 | 中国航空工业第六一八研究所 | Manufacturing method of bonded heating sheets |
| CN103777394A (en) * | 2013-12-17 | 2014-05-07 | 中国电子科技集团公司第五十五研究所 | Manufacturing method for reinforcement type liquid crystal display module |
| CN104202849A (en) * | 2014-08-28 | 2014-12-10 | 安徽艾可蓝节能环保科技有限公司 | Electrically heated unfreezing sheet |
| EP3157378A4 (en) * | 2014-06-19 | 2018-06-06 | ELC Management LLC | Heated cosmetic sampler with incorporated applicator |
| CN108860664A (en) * | 2018-06-20 | 2018-11-23 | 上海卫星工程研究所 | The novel thermal controls apparatus of spatial flexible mechanism |
| RU2721624C1 (en) * | 2019-11-11 | 2020-05-21 | Акционерное общество «Информационные спутниковые системы» имени академика М.Ф.Решетнёва» | Method for manufacture of flexible-flat electric heater |
| CN111526614A (en) * | 2020-05-12 | 2020-08-11 | 北京宏宇航天技术有限公司 | Radiation-resistant film electric heater for spacecraft and manufacturing process thereof |
| CN111526611A (en) * | 2020-05-12 | 2020-08-11 | 北京宏宇航天技术有限公司 | Thin film electric heater for spacecraft and manufacturing method thereof |
-
2009
- 2009-03-19 CN CN200920106378U patent/CN201374824Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2461644A1 (en) * | 2010-12-02 | 2012-06-06 | Ube Industries, Ltd. | Flexible heater and method for manufacturing the same |
| CN102104999A (en) * | 2011-02-18 | 2011-06-22 | 合肥博谐电子科技有限公司 | Far infrared heating plate and manufacturing method thereof |
| CN102104999B (en) * | 2011-02-18 | 2013-02-13 | 合肥博谐电子科技有限公司 | Far infrared heating plate and manufacturing method thereof |
| CN102510584A (en) * | 2011-09-14 | 2012-06-20 | 中国航空工业第六一八研究所 | Manufacturing method of bonded heating sheets |
| CN103777394A (en) * | 2013-12-17 | 2014-05-07 | 中国电子科技集团公司第五十五研究所 | Manufacturing method for reinforcement type liquid crystal display module |
| EP3157378A4 (en) * | 2014-06-19 | 2018-06-06 | ELC Management LLC | Heated cosmetic sampler with incorporated applicator |
| CN104202849A (en) * | 2014-08-28 | 2014-12-10 | 安徽艾可蓝节能环保科技有限公司 | Electrically heated unfreezing sheet |
| CN108860664A (en) * | 2018-06-20 | 2018-11-23 | 上海卫星工程研究所 | The novel thermal controls apparatus of spatial flexible mechanism |
| CN108860664B (en) * | 2018-06-20 | 2020-07-14 | 上海卫星工程研究所 | Novel thermal control device for space flexible mechanism |
| RU2721624C1 (en) * | 2019-11-11 | 2020-05-21 | Акционерное общество «Информационные спутниковые системы» имени академика М.Ф.Решетнёва» | Method for manufacture of flexible-flat electric heater |
| CN111526614A (en) * | 2020-05-12 | 2020-08-11 | 北京宏宇航天技术有限公司 | Radiation-resistant film electric heater for spacecraft and manufacturing process thereof |
| CN111526611A (en) * | 2020-05-12 | 2020-08-11 | 北京宏宇航天技术有限公司 | Thin film electric heater for spacecraft and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091230 |