CN207513766U - A kind of wind generator set blade deicing system - Google Patents
A kind of wind generator set blade deicing system Download PDFInfo
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- CN207513766U CN207513766U CN201721398712.9U CN201721398712U CN207513766U CN 207513766 U CN207513766 U CN 207513766U CN 201721398712 U CN201721398712 U CN 201721398712U CN 207513766 U CN207513766 U CN 207513766U
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- blade
- heating
- carbon fiber
- cable
- power cord
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model is related to a kind of wind generator set blade deicing system, heating source is carbon fiber heating cable, and heating source is located at blade inlet edge inner cavity, and carbon fiber cable is priming by vacuum or wet method flexible bag moulding technique with blade inlet edge housing fixed form.According to blade deicing required temperature, the carbon fiber heating cable of certain length is designed, in front of the blade heating location needed for edge, cable laying is carried out according to a determining deviation.Carbon fiber heating cable two-terminal is reserved simultaneously, so that later stage and power cord are attached.The system laying process is simple, production cost is low, can be laid in irregular blade surface of internal cavity；The efficiency of heating surface is high, and heating is rapid, safe and reliable, temperature control only can be carried out accurate temperature controlling by setting cable length, avoids the failure of other modes electric heating temperature control and blade glass-reinforced plastic material is caused to damage.
Description
Technical field
It is specifically a kind of to run blade to wind field the utility model is related to a kind of wind generator set blade deicing system
Carrying out heating prevents its surface from the heating system freezed occur, belongs to technical field of wind power generation.
Background technology
In China, southern areas wind resource enrich, the market demand is powerful, and Wind Power Development potentiality are very big.China national energy
In source office " 12th Five-Year Plan " Wind Power Project, the Wind Power Project capacity of the provinces such as cloud, expensive, Hunan, Hubei Province, river, Zhejiang is huge, however these region winters
Ji Wendu is low, humidity is high, more sleets, rime weather, and Wind turbines generally face frost problem.In addition to China, eternal frost climate exists
Also widely distributed in world wide, some wind fields of the countries and regions such as Northern Europe, Central Europe, North America, Northern Asia also face frost
Problem.Under eternal frost climate, all exposed surfaces of Wind turbines all can icing, wherein blade is the key area of icing, is caused
Fan parking, the lost of life, falls a series of problems, such as ice hurting people or smashing objects at the aggravation of structure member fatigue damage.Due to eternal frost climate
It takes place frequently, large area, prolonged wind turbine icing stopping accident once occurred in the provinces such as cloud, expensive, seriously affected the exploitation of wind field and were full of
Profit.In this context, anti-ice jelly type wind turbine has the extremely strong market demand, and the anti-ice of wind power generation unit blade, which freezes problem, becomes current
One hot spot of wind power technology research.
In addition to the wind turbine of domestic wind field faces serious ice formation issues, international market is for the anti-of wind turbine, deicing capability
There is very urgent demand.There are very extensive freezing weather in the countries such as Finland, Norway, Sweden, Czech, Russian Canada,
These countries pay much attention to the freezing ability of wind turbine when developing Wind Power Project.With my company Canadian《CREE 10MW
New energy Integrated Demonstration project》For, Canada's aspect, which is distinctly claimed wind wheel blade, in the project needs have anti-, deicing energy
Power, to ensure under cold conditions in winter, wind turbine can be with continuous service.
At present, be solve blade ice formation issues, developed in the world a variety of blades prevent, the method for deicing.In fact,
Clearing ice technology is studied in aviation field and application is more deep and extensive, and the anti-of wind-powered electricity generation field, clearing ice technology have used for reference aviation
Many technologies in field.At present, the technical method and its advantage and disadvantage applied in wind-powered electricity generation field are as shown in table 1.
Utility model content
For more than technical problem, the utility model proposes a kind of wind generator set blade deicing systems.
The utility model is related to a kind of wind generator set blade deicing system, the blade deicing system includes：It is several
Heating unit, power cord, power control system；Wherein,
The blade deicing system is arranged at the blade inlet edge inner cavity of easy ice forming locations, and heating region is blade inlet edge point
It molded line both sides and is evenly distributed；
The heating unit is made of carbon fiber heating cable, carbon fiber heating cable temperature according to needed for blade heats deicing
Degree is designed into 10m-50m length, and cable spacing is in the range of 30-100mm, every carbon fiber heating cable is a heating
Unit；
The carbon fiber heating cable two-terminal of each heating unit is connect with the power cord, and for simultaneously between each unit
Connection mode, the power cord are finally connect with the power control system, the splice bits in each heating unit Adjacent heating zones domain
Put reserved 20-50mm intervals；Use high temperature resistant exhausted outside the power cord and the tie point of two terminals of each heating unit
Edge adhesive plaster is sealed, and the power cord is fixed using fixed form identical with carbon fiber heating cable and blade inlet edge inner cavity,
I.e. wet method bag pressure or priming by vacuum mode are fixed.
Wherein, the carbon fiber heating cable uses nonmetallic materials carbon as raw material, and external insulation protective layer selects iron
Fluorine dragon and PVC material layered combination form.
Description of the drawings
Fig. 1 is wind generator set blade sectional view
Fig. 2 is heating unit schematic diagram
Fig. 3 is blade heating region layout drawing
Specific embodiment
The technical solution of the utility model is described further with reference to Fig. 1-3 and specific embodiment.
In order to solve the frost problem of the blade surface under high humidity, low temperature environment at present.The utility model uses carbon fiber
Cable is heater, has very high mechanical strength and the service life extremely grown, and heating wire is light-weight, soft, it is flexible into
It is variously-shaped, a variety of heating element composite modules are easily made, the demand of various heating occasions can be readily applied to.Carbon fiber adds
The characteristics of hot line cable, heater thermal inertia was small, and fever is rapid, and electric conversion efficiency is high, and power and energy saving.Heater inoxidizability
Good, non-aging, the resistance value stabilization of energy, fever is uniform, and heating temp, exothermic energy can be adjusted by wire length, voltage
Control.
To achieve these goals, the utility model employs following technical solution：
A kind of wind power generation unit blade heats deicing system, which is carbon fiber heating cable, and heating source is located at
Blade inlet edge inner cavity.Carbon fiber cable is priming by vacuum or wet method flexible bag moulding technique with blade inlet edge housing fixed form.
According to blade deicing required temperature, the carbon fiber heating cable of certain length is designed, is heated needed for edge in front of the blade
Position carries out cable laying according to a determining deviation.Carbon fiber heating cable two-terminal is reserved simultaneously, so as to later stage and electricity
Source line is attached.
The carbon fiber heating cable of every fixed length is a heating unit, and different blade profiles can be designed to be added by different number
The heating deicing system of hot cell composition, each heating unit are attached for parallel way.
Blade deicing system is produced as follows：
Blade deicing system is arranged at the blade inlet edge inner cavity of easy ice forming locations, and heating region is blade inlet edge parting line
It both sides and is evenly distributed, as shown in Figure 1,3.Carbon fiber heating cable heats deicing required temperature according to blade and is designed into
10m-50m length, every such carbon fiber heating cable are a heating unit.According to heating zone needed for blade different location
Domain area is different, and heating cable is distributed edge inner cavity in front of the blade.The blade deicing system includes multiple heating units.Carbon
Fiber-heated cable in front of the blade edge cavity arrangements when, to ensure that enough heats makes blade surface be covered ice sheet thawing, comes off,
Cable spacing is in the range of 30-100mm, as shown in Figure 2, it should be noted that carbon fiber heating cable and carbon fiber in Fig. 2
Heating cable has identical art-recognized meanings in the utility model.
The fixed form of carbon fiber heating cable edge inner cavity in front of the blade is：It needs to heat in leading edge before vane mold matching first
Heating cable is arranged in region, hot melt adhesive may be used, heating cable is fixed on the inside of blade cavity, then is surpassed using two layers of width
The biaxially glass for crossing heating cable layout area area carries out wet method bag pressure.
Fixation can be also followed the steps below simultaneously, after blade construction layer is spread, carbon fiber heating cable is consolidated
Due to leading edge glass-fiber-fabric surface, cotton thread sewing form may be used and carry out.The two-terminal of heating cable connection power cord is leaked out,
And be sealed using bag film package form, prevent its terminal from being covered by resin.Then the subsequent step operation of blade is carried out.It treats
Blade shell vacuum by precuring carbon fiber heating cable is fixed on blade inlet edge cavity position after leading note.
The carbon fiber heating cable two-terminal of each heating unit is connect with power cord, and is parallel connection side between each unit
Formula, power cord are finally connect with power control system.The stitching position in each heating unit Adjacent heating zones domain reserves 20-50mm
Interval.
Power cord outside the tie point of two terminals of each heating unit using high-temperature insulation adhesive plaster with being sealed.
Power cord is fixed using fixed form identical with carbon fiber heating cable, that is, wet method bag pressure or priming by vacuum mode.
Carbon fiber heating cable uses nonmetallic materials carbon, and for raw material, service life is long, and external insulation protective layer is selected
Teflon (300 DEG C of high temperature resistant) and PVC material layered combination form, and the service life is enough to ensure that blade normal operation.
The utility model has the following advantages that after using as above technical solution：
1. ice sheet thawing is covered by blade surface, is taken off as blade deicing system heat source using carbon fiber heating cable
Thermal energy needed for offer is provided.Carbon fiber heating cable is layed in blade inlet edge cavity position, and mode or priming by vacuum work are pasted using hand
Skill makes carbon fiber heating cable and blade inner cavity closely sturdy, and heat produced by heating cable can be made more quickly to be transmitted to blade
So as to reach the raising of blade outer surface temperature, covered ice sheet melts, come off purpose on surface.
2. for carbon fiber heating cable as blade deicing system heat source, laying process is simple, production cost is low, can not advise
Then blade surface of internal cavity is laid with.
3. the efficiency of heating surface is high, heating is rapid, safe and reliable, temperature control only can be carried out essence by setting cable length
True temperature control avoids the failure of other modes electric heating temperature control and blade glass-reinforced plastic material is caused to damage.
4. added using carbon fiber heating cable as the blade deicing system of heat source and the thermal current mode of current mainstream
Hot deicing mode is compared, the 60-70% that blade weightening only has the 30% of thermal current mode, energy consumption is thermal current mode.Due to carbon
The characteristic of fiber, it is not oxidizable, be not in machine after carbon fiber heating cable and power supply are attached the advantages that long lifespan
Tool failure.
The above is only the utility model preferred embodiment.It should be pointed out that the ordinary skill for the art
Member for, under the premise of the utility model technical principle is not departed from, several improvement and modification can also be made, these improve and
Modification should also be considered as the scope of protection of the utility model.
Claims (2)
1. a kind of wind generator set blade deicing system, which is characterized in that the blade deicing system includes：Several heating are single
Member, power cord, power control system；Wherein,
The blade deicing system is arranged at the blade inlet edge inner cavity of easy ice forming locations, and heating region is blade inlet edge parting line
It both sides and is evenly distributed；
The heating unit is made of carbon fiber heating cable, and carbon fiber heating cable heats deicing required temperature according to blade will
It is designed to 10m-50m length, and cable spacing is in the range of 30-100mm, every carbon fiber heating cable is single for a heating
Member；
The carbon fiber heating cable two-terminal of each heating unit is connect with the power cord, and is parallel connection side between each unit
Formula, the power cord are finally connect with the power control system, and the stitching position in each heating unit Adjacent heating zones domain is pre-
Stay 20-50mm intervals；
The tie point outside of the power cord and two terminals of each heating unit is sealed using high-temperature insulation adhesive plaster,
The power cord is fixed using fixed form identical with carbon fiber heating cable and blade inlet edge inner cavity, i.e. wet method bag pressure or vacuum
Reperfusion mode is fixed.
2. a kind of wind generator set blade deicing system according to claim 1, which is characterized in that the carbon fiber adds
Hot line cable uses nonmetallic materials carbon as raw material, and external insulation protective layer selects Teflon and PVC material layered combination to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721398712.9U CN207513766U (en) | 2017-10-26 | 2017-10-26 | A kind of wind generator set blade deicing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721398712.9U CN207513766U (en) | 2017-10-26 | 2017-10-26 | A kind of wind generator set blade deicing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513766U true CN207513766U (en) | 2018-06-19 |
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ID=62536295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721398712.9U Active CN207513766U (en) | 2017-10-26 | 2017-10-26 | A kind of wind generator set blade deicing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605670A (en) * | 2017-10-26 | 2018-01-19 | 国电联合动力技术(保定)有限公司 | A kind of wind generator set blade deicing system |
| CN109899249A (en) * | 2019-03-28 | 2019-06-18 | 安徽驭风风电设备有限公司 | A kind of wind electricity blade deicer and method |
-
2017
- 2017-10-26 CN CN201721398712.9U patent/CN207513766U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605670A (en) * | 2017-10-26 | 2018-01-19 | 国电联合动力技术(保定)有限公司 | A kind of wind generator set blade deicing system |
| CN109899249A (en) * | 2019-03-28 | 2019-06-18 | 安徽驭风风电设备有限公司 | A kind of wind electricity blade deicer and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 071051 No.88, Fengfeng street, high tech Development Zone, Baoding City, Hebei Province Patentee after: Guoneng United Power Technology (Baoding) Co.,Ltd. Address before: 071051 No.88, Fengfeng street, high tech Development Zone, Baoding City, Hebei Province Patentee before: GUODIAN UNITED POWER TECHNOLOGY (BAODING) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |