Electrical heating anti-icing assembly with superhydrophobic property and preparation method of electrical heating anti-icing assembly

An electric heating element, electric heating technology, applied in deicing devices, chemical instruments and methods, aircraft parts, etc., can solve the problems of high energy consumption, inability to meet deicing requirements, low working efficiency of electric heating deicing devices, etc. Reduced adhesion strength, shortened heating time, high practical effect

Inactive Publication Date: 2019-05-24
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most of the icing surfaces are deiced by pure electric heating. This method consumes a lot of energy and cannot meet the deicing requirements when the ice accumulation intensity is too high.
[0005] In addition, the low efficiency of traditional electrothermal deicing devices is also a major shortcoming of its practical application

Method used

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  • Electrical heating anti-icing assembly with superhydrophobic property and preparation method of electrical heating anti-icing assembly
  • Electrical heating anti-icing assembly with superhydrophobic property and preparation method of electrical heating anti-icing assembly
  • Electrical heating anti-icing assembly with superhydrophobic property and preparation method of electrical heating anti-icing assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Step1: sticky electric heating layer

[0050] Select a piece of AMANDA-800 (Amanda) insulation board with a size of 10cm length × 10cm width × 0.3mm thickness, and cover a layer of graphite with a size of 9cm length × 9cm width × 0.05mm thickness at the center of the insulation insulation board Graphene heating sheet (the graphene heating sheet is connected with a power supply cable), the graphene heating sheet (electrical heating element) and the insulating and heat insulating board are combined by bonding with RTV adhesive, and cured at room temperature for 24h.

[0051]Step2: Stick the insulation and heat conduction layer

[0052] Cover the upper surface of the graphene heating sheet with a jyxjb-24 (OUPLI) insulating thermal pad with a size of 10cm long × 10cm wide × 0.3mm thick, and use RTV adhesive to insulate jyxjb-24 (OUPLI) by bonding The thermal pad is combined with the graphene heating sheet.

[0053] Step3: Paste the thermally conductive metal layer

[00...

Embodiment 2

[0069] Step1: sticky electric heating layer

[0070] Select a piece of VESPEL-SP1 board (that is, PI board, the main component is polyimide) with a size of 10cm long × 10cm wide × 0.35mm thick as an insulating and heat insulating board, and cover a layer of 8cm in size at the center of the insulating and heat insulating board A graphene heating sheet (the graphene heating sheet is connected with a power supply cable) of length × 8cm width × 0.05mm thick, and the graphene heating sheet (electric heating element) and the insulating and heat-insulating plate are bonded with an RTV adhesive Combine together and cure at room temperature for 24 hours.

[0071] Step2: Stick the insulation and heat conduction layer

[0072] Cover the upper surface of the graphene heating sheet with an XK-F60 insulating thermal pad with a size of 10cm long × 10cm wide × 0.3mm thick, and heat the XK-F60 insulating thermal pad and graphene with RTV adhesive by bonding pieces together.

[0073] Step3: ...

Embodiment 3

[0083] Step1: sticky electric heating layer

[0084] Select a piece of AMANDA-800 (Amanda) insulation board with a size of 10cm length × 10cm width × 0.4mm thickness, and cover a layer of resistance with a size of 9cm length × 9cm width × 0.1mm thickness at the center of the insulation insulation board Wire heating sheet (the resistance wire heating sheet is connected with a power supply cable), the graphene heating sheet (electric heating element) and the insulation and heat insulation board are combined by bonding with RTV adhesive, and cured at room temperature for 24 hours.

[0085] Step2: Stick the insulation and heat conduction layer

[0086] Cover the upper surface of the graphene heating sheet with a jyxjb-24 (OUPLI) insulating thermal pad with a size of 10cm long × 10cm wide × 0.3mm thick, and use RTV adhesive to insulate jyxjb-24 (OUPLI) by bonding The thermal pad is combined with the graphene heating sheet.

[0087] Step3: Paste the thermally conductive metal laye...

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Abstract

The invention discloses an electrical heating anti-icing assembly with a superhydrophobic property and a preparation method of the electrical heating anti-icing assembly. The anti-icing assembly comprises an insulation heat insulating layer, an electrically heating layer, an insulation heat conduction layer, a heat conduction metal layer, a superhydrophobic coating and waterproof adhesive tape, wherein the insulation heat insulating layer, the electrically heating layer, the insulation heat conduction layer, and the heat conduction metal layer are successively spliced from bottom to top, the superhydrophobic is coated on the surface of the heat conduction metal layer, and the waterproof adhesive tape is sealed around the assembly. The electrical heating anti-icing assembly with the superhydrophobic property has the beneficial effects that the anti-icing assembly has the superhydrophobic property and can remarkably reduce the adhesive strength of a surface ice layer, thus formation of the surface ice layer and removing difficulty of the ice layer can be reduced in a certain level, the ice layer covered on the surface can be removed quickly and completely, heating time is shortened,the removing efficiency of the ice layer is greatly improved, waste of energy is reduced, and great application prospects are provided for equipment such as an airplane in the ice removing field.

Description

technical field [0001] The invention relates to an anti-icing component and a preparation method thereof, in particular to an electrically heated anti-icing component with superhydrophobic properties and a preparation method thereof, belonging to the technical field of anti-icing. Background technique [0002] In the fields of aviation, transportation, and wind power generation, icing on the surface of equipment and equipment will reduce its performance and work efficiency, and even cause safety hazards in severe cases. When the aircraft is flying at high altitude, the supercooled water droplets in the clouds are prone to freezing and accumulating ice after contacting the fuselage. The icing on the wings and engines seriously affects the controllability of the aircraft. In the process of wind power generation, the thick ice layer will cause the blades of wind turbines to be overloaded or even deformed, shortening the service life. In recent years, in view of the huge loss o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D5/00B05D7/14B32B33/00B32B37/12B64D15/12
Inventor 沈一洲陶杰朱春玲江家威金明明谢月涵
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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