CN105673361A - Ice-melting heating structure of wind driven generator blade and manufacturing method thereof - Google Patents
Ice-melting heating structure of wind driven generator blade and manufacturing method thereof Download PDFInfo
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- CN105673361A CN105673361A CN201511014146.2A CN201511014146A CN105673361A CN 105673361 A CN105673361 A CN 105673361A CN 201511014146 A CN201511014146 A CN 201511014146A CN 105673361 A CN105673361 A CN 105673361A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
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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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses an ice-melting heating structure of a wind driven generator blade. The ice-melting heating structure is characterized in that the wind driven generator blade is provided with a carbon crystal film heating device; the carbon crystal film heating device comprises a carbon crystal electrothermal film, temperature sensors and a heating controller; the carbon crystal electrothermal film is laid on an ice-coated zone of the front edge surface of a shell and used for heating the ice-coated zone of the front edge of the shell so as to achieve ice melting and icing prevention; the temperature sensors are arranged under the carbon crystal electrothermal film, correspond to the ice-coated zone, and are used for detecting the temperature of the ice-coated zone of the front edge of the shell; and the heating controller is arranged in a wind driven generator control system and is used for adjusting the heating electric power of the carbon crystal electrothermal film according to the temperature, detected by the temperature sensors, of the ice-coated zone of the front edge of the shell, so that the temperature of the ice-coated zone of the front edge of the shell is constantly kept at a set value, and the set value is slightly greater than the melting point of ice and is normally higher than zero DEG C but lower than or equal to two DEG C. A lightning protection device is further arranged, so that the blade is protected against a lightning stroke.
Description
Technical field
The present invention relates to blade of wind-driven generator, particularly relate to ice-melt heating arrangement and the making method thereof of this blade.
Background technology
When Wind turbines runs under cold climate environment; usually comparatively serious icing can be there is on turbines vane in winter surface; the aerodynamic configuration generation considerable change of icing rear blade; to seriously affect the pneumatic efficiency of blade; make the decrease in power generation efficiency of unit, also the increasing of unit and blade loading after icing, when three blade loadings and quality square mutually poor reach to a certain degree time; the vibration of unit can be caused, thus affect the safe and stable operation of unit. Generally for unit safety operation, when blade icing is serious, unit is by out of service, and therefore wind electricity blade freezes and will cause serious generated energy loss. In order to solve the problem of blade surface icing, mainly contain following several method at present:
1, blade surface sprays super-hydrophobic icephobic coating, utilizes the hydrophobic property of coating to make the moisture being adsorbed on blade surface as far as possible few, thus reduces icing layer thickness, and its shortcoming is can not thoroughly deicing.
2, warm air beating deicing, leads to blade abdominal cavity into hot air circulate heating, blade shell temperature is raised, and prevents surface from freezing. Its shortcoming is that heat waste is big, and warm air pipeline laying technology difficulty is big.
3, blade surface paving covers carbon cloth heating deicing, and modulus of carbon fibres is relatively high, and paving will affect structural rigidity and the frequency of blade after covering to a certain extent.
Summary of the invention
For above problem, the present invention proposes ice-melt heating arrangement and the making method thereof of a kind of blade of wind-driven generator, both can avoid freezing, and blade can be protected again injury-free, and its technical solution is:
The ice-melt heating arrangement of a kind of blade of wind-driven generator, described blade of wind-driven generator is made up of housing and the two pieces of anti-shear web combinations being positioned at housing, described housing forms structure on an empty stomach by fluoran stream surface housing and the docking of lee side housing, two pieces of anti-shear web are longitudinally arranged in juxtaposition in abdominal cavity, and their two sides are bonding with the inwall of fluoran stream surface housing, lee side housing respectively; It is characterized in that, described blade of wind-driven generator is provided with the brilliant film heating device of carbon, this device comprises carbon crystal electrothermo film, temperature sensor, heating controller, and described carbon crystal electrothermo film paving overlays on the icing region of housing leading edge surface, for the icing region of heated shell leading edge; Under described temperature sensor is arranged in carbon crystal electrothermo film, corresponding icing region, for detecting the temperature in housing leading edge icing region; Described heating controller is arranged in wind power generator control system, temperature according to the housing leading edge icing region that temperature sensor detects, what adjust carbon crystal electrothermo film adds thermoelectric (al) power, make the homo(io)thermism in housing leading edge icing region in set(ting)value, this set(ting)value, slightly larger than the fusing point of ice, is generally 0 DEG C of < t≤2 DEG C.
Described carbon crystal electrothermo film connects power supply by its supply lead, described temperature sensor connects heating controller by its signal wire, the supply lead of described carbon crystal electrothermo film, the signal wire of temperature sensor are all laid in the abdominal cavity of blade shell, are fixed in anti-shear web, draw from root of blade.
Described blade of wind-driven generator is also provided with lightning protection, and this lightning protection comprises wire cloth and lightning current lead-in wire, and described wire cloth is coated on blade inlet edge surface of shell, corresponding icing region, and the bonding surface of itself and carbon crystal electrothermo film is provided with insulation layer; Described wire cloth has the copper foil tape of soldering, and described lightning current lead-in wire is fixed in anti-shear web, and its one end and the copper foil tape brazing of wire cloth, the other end draws ground connection from root of blade.
Or
Described blade of wind-driven generator is also provided with lightning protection, this lightning protection comprises wire cloth, lightning current lead-in wire and joint bolt, described wire cloth is coated on blade inlet edge surface of shell, corresponding icing region, and the bonding surface of itself and carbon crystal electrothermo film is provided with insulation layer; Described wire cloth has the copper foil tape of soldering, and copper foil tape has bolt penetration hole; Described lightning current lead-in wire is fixed in anti-shear web, and its one end is connected with wire cloth by bolt, by bolt, lightning current is gone between, wire cloth lock, the equal brazing in joint portion that the joint portion of bolt and copper foil tape, bolt and lightning current go between; The other end of lightning current lead-in wire draws ground connection from root of blade.
Described wire cloth is copper wire gauze or aluminium silk screen; Described bolt is brass bolt; Described insulation layer adopts high-density bidirectional glass fiber cloth to strengthen the glass fibre reinforced plastic insulating layer of resin.
The making method of above-mentioned blade of wind-driven generator ice-melt heating arrangement, can adopt manual substep manufacture method or overall perfusion method.
Manual substep manufacture method comprises the steps:
(1), respectively by die perfusion blade fluoran stream surface housing, lee side housing, anti-shear web, then assemble bonding, close mould insulation, pressurize, to the thorough curing and demolding of caking agent, blade forming;
(2) have bored the bolt penetration hole of the brilliant electric heating film supply lead perforation of carbon, the perforation of temperature sensor signal line, lightning protection on housing;
(3), at blade shell leading edge icing region mounting temperature sensor, and with its signal wire brazing;
(4), in blade shell leading edge icing region surface apply caking agent, more brilliant for carbon suitable with icing region surface for area electric heating film is spread be covered with, and with its supply lead brazing;
(5), at the brilliant electric heating film surface-coated caking agent of carbon, then high-density bidirectional glass fiber cloth paving suitable for brilliant to area and carbon electric heating film is covered with;
(6), cutting one piece of wire cloth, its area should be greater than the brilliant electric heating film of carbon, in one side brazed copper foil of wire cloth, copper foil tape is bored bolt hole, wire net laying being overlayed on above bidirectional glass fiber cloth, its bolt hole aligns with the bolt hole on blade shell, and bolt is pierced into bolt hole, it is connected with lightning current lead-in wire, and by Copper Foil and bolt brazing, lightning current lead-in wire and bolt brazing;
(7), brilliant for carbon electric heating film supply lead, temperature sensor signal line, lightning current lead-in wire are fixed in anti-shear web, and draw from root of blade;
(8) spread, on a wire mesh and cover low density bidirectional glass fiber cloth, wire cloth is covered, then at the blade specialized paint that the blade anti-dust storm of whole surface spraying is corrosion-resistant.
Overall perfusion method comprises the steps:
(1), before perfusion blade fluoran stream surface, lee side housing, first wire cloth, the two-way cloth of high-density, carbon crystal electrothermo film are sequentially layered in mould, corresponding icing region, temperature sensor is arranged on carbon crystal electrothermo film, and the lightning current of wire cloth is gone between, all soldering is good for the signal wire of the supply lead of carbon crystal electrothermo film, temperature sensor, wherein, lightning current lead-in wire directly welds with the copper foil tape of wire cloth; Spread blade shell cloth and core again;
(2), to vacuumize perfusion resin shaping together, is solidificated in blade shell by wire cloth, the two-way cloth of high-density, carbon crystal electrothermo film, temperature sensor;
(3), after anti-shear web form, the lightning current of wire cloth is gone between, the supply lead of carbon crystal electrothermo film, the signal wire of temperature sensor be fixed in anti-shear web;
(4), by fluoran stream surface housing, by stream interface housing, that web assembling is cut in shearing resistance is bonding, then closes mould insulation, pressurize, to the thorough curing and demolding of resin and caking agent, and blade forming;
(5), at the specialized paint that the blade anti-dust storm of whole surface spraying is corrosion-resistant.
The useful effect of the present invention:
The present invention is by arranging carbon crystal electrothermo film in blade icing region, and by heating and temperature control 0 DEG C of < t≤2 DEG C, both effectively prevent blade to freeze, save energy again, also can avoid the distortion that blade front and rear edge causes because of excessive temperature differentials, thus ensure the aeroperformance of blade, extend the work-ing life of blade. By arranging lightning protection, make aerogenerator exempt from thunderbolt, ensure unit operation safety.
Accompanying drawing illustrates:
Fig. 1 is the ice-melt heating arrangement figure of this blade of wind-driven generator
Fig. 2 is the cross-sectional view of Fig. 1
Fig. 3 is the enlarged view of local A in Fig. 2
Fig. 4 is the connection structure iron (band joint bolt) of a kind of lightning protection of this blade
Fig. 5 is the enlarged view of local B in Fig. 4
Code name implication in figure:
1: blade shell; 2: temperature sensor; 3: the brilliant electric heating film of carbon; 4: bidirectional glass fiber cloth; 5: wire cloth; 6: copper foil tape; 7: brass bolt; 8: temperature sensor signal line; 9: the brilliant electric heating film supply lead of carbon; 10: heating controller; 11: the brilliant electric heating film electrode of carbon; 12: anti-shear web; 13: lightning current goes between.
Embodiment
See Fig. 1 to Fig. 5, the ice-melt heating arrangement of this blade of wind-driven generator, described blade of wind-driven generator is made up of housing 1 and two pieces of anti-shear web 12 combinations being positioned at housing, described housing 1 forms structure on an empty stomach by fluoran stream surface housing and the docking of lee side housing, two pieces of anti-shear web 12 are longitudinally arranged in juxtaposition in abdominal cavity, and they are bonding with the inwall of fluoran stream surface housing, lee side housing respectively; This is the basic structure of blade of wind-driven generator.
The feature of the present invention, it is in blade of wind-driven generator, set up the brilliant film heating device of carbon, this device comprises carbon crystal electrothermo film 3, temperature sensor 2, heating controller 10, and described carbon crystal electrothermo film 3 paving overlays on the leading edge surface icing region of housing 1, for heated shell leading edge icing region; Under described temperature sensor 2 is arranged in carbon crystal electrothermo film, corresponding icing region, for detecting the temperature in housing leading edge icing region; Described heating controller 10 is arranged in wind power generator control system, temperature according to the housing 1 leading edge icing region that temperature sensor 2 detects, what adjust carbon crystal electrothermo film 3 adds thermoelectric (al) power, make the homo(io)thermism in housing 1 leading edge icing region in set(ting)value, this set(ting)value, slightly larger than the fusing point of ice, is generally 0 DEG C of < t≤2 DEG C.
Described carbon crystal electrothermo film 3 connects power supply by its supply lead 9, described temperature sensor 2 connects heating controller 10 by its signal wire 8, the supply lead 9 of described carbon crystal electrothermo film 3, the signal wire 8 of temperature sensor 2 are all laid in the abdominal cavity of blade shell 1, it is fixed in anti-shear web 12, draws from root of blade.
Owing to being provided with the brilliant film heating device of carbon, for preventing blade to be struck by lightning, this blade of wind-driven generator is also provided with lightning protection, this lightning protection comprises wire cloth 5 and lightning current lead-in wire 13, described wire cloth 5 is coated on blade inlet edge surface of shell, corresponding icing region, the bonding surface of itself and carbon crystal electrothermo film 3 is provided with insulation layer, and this insulation layer is high-density bidirectional glass fiber cloth (800g/m2) 4 as the glass fibre reinforced plastic insulating layer of sandwich material. Described wire cloth 5 has the copper foil tape 6 of soldering, and described lightning current lead-in wire 13 is fixed in anti-shear web 12, and its one end and the copper foil tape brazing of wire cloth, the other end draws ground connection from root of blade. This structure is applicable to overall perfusion technique; Technique is stuck with paste according to artificial hand, then lightning protection is as shown in Figure 4, Figure 5, comprise wire cloth 5, lightning current lead-in wire 13 and joint bolt 7, described wire cloth is coated on blade inlet edge surface of shell, corresponding icing region, the bonding surface of itself and carbon crystal electrothermo film 3 is provided with insulation layer, and this insulation layer is high-density (800g/m2) bidirectional glass fiber cloth 4 is as the glass fibre reinforced plastic insulating layer of sandwich material. Described wire cloth 5 has the Copper Foil shroud 6 of soldering, and Copper Foil shroud has bolt penetration hole; Described lightning current lead-in wire is fixed in anti-shear web, its one end is connected with wire cloth 5 by bolt 7, by bolt 7, the Copper Foil shroud 6 of lightning current lead-in wire 13, wire cloth 5 is locked connection, the 13 equal brazings in joint portion that the joint portion of bolt 7 and Copper Foil shroud 6, bolt 7 go between with lightning current; The other end of lightning current lead-in wire 13 draws ground connection from root of blade.
Described wire cloth 5 adopts copper wire gauze or aluminium silk screen; The described the most handy brass bolt of bolt; Described insulation layer is high-density (800g/m2) bidirectional glass fiber cloth is as the glass fibre reinforced plastic insulating layer of sandwich material.
Making method can adopt the following two kinds technique:
Example one overall perfusion technique
Comprise the steps:
(1), before perfusion blade fluoran stream surface, lee side housing, first low density bidirectional glass fiber cloth, wire cloth 5, the two-way cloth 4 of high-density, carbon crystal electrothermo film 3 are sequentially layered in mould, corresponding icing region, temperature sensor 2 is arranged on carbon crystal electrothermo film 3, and the signal wire 8 of the supply lead 9 of the lightning current lead-in wire 13 of wire cloth 5, carbon crystal electrothermo film 3, temperature sensor 2, all soldering is good, wherein, the supply lead 9 of carbon crystal electrothermo film welds with the electrode 11 of carbon crystal electrothermo film, and lightning current lead-in wire 13 directly welds with the Copper Foil shroud 6 of wire cloth 5; Paving covers blade shell cloth and core again;
(2), to vacuumize perfusion resin shaping together, by wire cloth, the two-way cloth (800g/m of high-density2), carbon crystal electrothermo film, temperature sensor be solidificated in blade shell;
(3), after anti-shear web form, the lightning current of wire cloth is gone between, the supply lead of carbon crystal electrothermo film, the signal wire of temperature sensor be fixed in anti-shear web;
(4), by fluoran stream surface housing, by stream interface housing, that web assembling is cut in shearing resistance is bonding, then closes mould insulation, pressurize, to the thorough curing and demolding of caking agent, and blade forming;
(5), at the specialized paint that the blade anti-dust storm of whole surface spraying is corrosion-resistant.
The artificial hand of example two sticks with paste technique
Comprise the steps:
(1), respectively by die perfusion blade fluoran stream surface housing, lee side housing, anti-shear web, then assemble bonding, close mould insulation, pressurize, to the thorough curing and demolding of caking agent, blade forming;
(2) have bored the perforation of the perforation of the brilliant electric heating film supply lead 9 of carbon, the perforation of temperature sensor signal line 8, the bolt 7 of lightning protection on housing 1;
(3), at the leading edge icing region mounting temperature sensor 2 of blade shell 1, and with its signal wire 8 brazing;
(4), at the leading edge icing region surface coating caking agent of blade shell 1, more brilliant for carbon suitable with icing region surface for area electric heating film 3 spread be covered with, and with its supply lead 9 brazing;
(5), at the brilliant electric heating film 3 surface-coated caking agent of carbon, then high-density bidirectional glass fiber cloth 4 paving suitable for brilliant to area and carbon electric heating film 3 is covered with;
(6), cutting one piece of wire cloth 5, its area should be greater than the brilliant electric heating film 3 of carbon, in one side brazed copper foil 6 of wire cloth, copper foil tape 6 bores bolt hole, overlaying on above bidirectional glass fiber cloth 4 by wire cloth 5 paving, the bolt hole of its copper foil tape 6 aligns with the bolt hole on blade shell, and bolt 7 is pierced into bolt hole, it is connected with lightning current lead-in wire 13, and by copper foil tape 6 and bolt 7 brazing, lightning current lead-in wire 13 and bolt 7 brazing;
(7), brilliant for carbon electric heating film supply lead 9, temperature sensor signal line 8, lightning current lead-in wire 13 are fixed in anti-shear web 12, and draw from root of blade;
(8), on wire cloth 5 upper berth cover low density bidirectional glass fiber cloth, wire cloth 5 is covered, as the protective layer of wire cloth 5, then at the blade specialized paint that the blade anti-dust storm of whole surface spraying is corrosion-resistant.
Claims (8)
1. the ice-melt heating arrangement of a blade of wind-driven generator, described blade of wind-driven generator is made up of housing and the two pieces of anti-shear web combinations being positioned at housing, described housing forms structure on an empty stomach by fluoran stream surface housing and the docking of lee side housing, two pieces of anti-shear web are longitudinally arranged in juxtaposition in abdominal cavity, and their two sides are bonding with the inwall of fluoran stream surface housing, lee side housing respectively; It is characterized in that, described blade of wind-driven generator is provided with the brilliant film heating device of carbon, this device comprises carbon crystal electrothermo film, temperature sensor, heating controller, and described carbon crystal electrothermo film paving overlays on the icing region of housing leading edge surface, for the icing region of heated shell leading edge; Under described temperature sensor is arranged in carbon crystal electrothermo film, corresponding icing region, for detecting the temperature in housing leading edge icing region; Described heating controller is arranged in wind power generator control system, temperature according to the housing leading edge icing region that temperature sensor detects, what adjust carbon crystal electrothermo film adds thermoelectric (al) power, make the homo(io)thermism in housing leading edge icing region in set(ting)value, this set(ting)value, slightly larger than the fusing point of ice, is generally 0 DEG C of < t≤2 DEG C.
2. the ice-melt heating arrangement of blade of wind-driven generator as claimed in claim 1, it is characterized in that, described carbon crystal electrothermo film connects power supply by its supply lead, described temperature sensor connects heating controller by its signal wire, the supply lead of described carbon crystal electrothermo film, the signal wire of temperature sensor are all laid in the abdominal cavity of blade shell, it is fixed in anti-shear web, draws from root of blade.
3. the ice-melt heating arrangement of blade of wind-driven generator as claimed in claim 1, it is characterized in that, described blade of wind-driven generator is also provided with lightning protection, this lightning protection comprises wire cloth and lightning current lead-in wire, described wire cloth is coated on blade inlet edge surface of shell, corresponding icing region, the bonding surface of itself and carbon crystal electrothermo film is provided with insulation layer; Described wire cloth has the copper foil tape of soldering, and described lightning current lead-in wire is fixed in anti-shear web, and its one end and the copper foil tape brazing of wire cloth, the other end draws ground connection from root of blade.
4. the ice-melt heating arrangement of blade of wind-driven generator as claimed in claim 3, it is characterised in that, described wire cloth is copper wire gauze or aluminium silk screen; Described insulation layer is the glass fibre reinforced plastic insulating layer that high-density bidirectional glass fiber cloth strengthens resin.
5. the ice-melt heating arrangement of blade of wind-driven generator as claimed in claim 1, it is characterized in that, described blade of wind-driven generator is also provided with lightning protection, this lightning protection comprises wire cloth, lightning current lead-in wire and joint bolt, described wire cloth is coated on blade inlet edge surface of shell, corresponding icing region, the bonding surface of itself and carbon crystal electrothermo film is provided with insulation layer; Described wire cloth has the copper foil tape of soldering, and copper foil tape has bolt penetration hole; Described lightning current lead-in wire is fixed in anti-shear web, and its one end is connected with wire cloth by bolt, by bolt, lightning current is gone between, wire cloth lock, the equal brazing in joint portion that the joint portion of bolt and copper foil tape, bolt and lightning current go between; The other end of lightning current lead-in wire draws ground connection from root of blade.
6. the ice-melt heating arrangement of blade of wind-driven generator as claimed in claim 5, it is characterised in that, described wire cloth is copper wire gauze or aluminium silk screen; Described bolt is brass bolt; Described insulation layer is the glass fibre reinforced plastic insulating layer that high-density bidirectional glass fiber cloth strengthens resin.
7. the making method of blade of wind-driven generator ice-melt heating arrangement described in claim 1,2,3,4, comprises step:
(1), before perfusion blade fluoran stream surface, lee side housing, first wire cloth, the two-way cloth of high-density, carbon crystal electrothermo film are sequentially layered in mould, corresponding icing region, temperature sensor is arranged on carbon crystal electrothermo film, and the lightning current of wire cloth is gone between, all soldering is good for the signal wire of the supply lead of carbon crystal electrothermo film, temperature sensor, wherein, lightning current lead-in wire directly welds with the copper foil tape of wire cloth; Spread blade shell cloth and core again;
(2), to vacuumize perfusion resin shaping together, is solidificated in blade shell by wire cloth, the two-way cloth of high-density, carbon crystal electrothermo film, temperature sensor;
(3), after anti-shear web form, the lightning current of wire cloth is gone between, the supply lead of carbon crystal electrothermo film, the signal wire of temperature sensor be fixed in anti-shear web;
(4), by fluoran stream surface housing, by stream interface housing, that web assembling is cut in shearing resistance is bonding, then closes mould insulation, pressurize, to the thorough curing and demolding of resin and caking agent, and blade forming;
(5), at the specialized paint that the blade anti-dust storm of whole surface spraying is corrosion-resistant.
8. the making method of blade of wind-driven generator ice-melt heating arrangement described in claim 1,2,5,6, comprises step:
(1), respectively by die perfusion blade fluoran stream surface housing, lee side housing, anti-shear web, then assemble bonding, close mould insulation, pressurize, to the thorough curing and demolding of caking agent, blade forming;
(2) have bored the bolt penetration hole of the brilliant electric heating film supply lead perforation of carbon, the perforation of temperature sensor signal line, lightning protection on housing;
(3), at blade shell leading edge icing region mounting temperature sensor, and with its signal wire brazing;
(4), in blade shell leading edge icing region surface apply caking agent, more brilliant for carbon suitable with icing region surface for area electric heating film is spread be covered with, and with its supply lead brazing;
(5), at the brilliant electric heating film surface-coated caking agent of carbon, then high-density bidirectional glass fiber cloth paving suitable for brilliant to area and carbon electric heating film is covered with;
(6), cutting one piece of wire cloth, its area should be greater than the brilliant electric heating film of carbon, in one side brazed copper foil of wire cloth, copper foil tape is bored bolt hole, wire net laying being overlayed on above bidirectional glass fiber cloth, its bolt hole aligns with the bolt hole on blade shell, and bolt is pierced into bolt hole, it is connected with lightning current lead-in wire, and by Copper Foil and bolt brazing, lightning current lead-in wire and bolt brazing;
(7), brilliant for carbon electric heating film supply lead, temperature sensor signal line, lightning current lead-in wire are fixed in anti-shear web, and draw from root of blade;
(8) spread, on a wire mesh and cover low density bidirectional glass fiber cloth, wire cloth is covered, then at the blade specialized paint that the blade anti-dust storm of whole surface spraying is corrosion-resistant.
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| CN201511014146.2A CN105673361B (en) | 2015-12-31 | 2015-12-31 | Ice-melt heating structure of blade of wind-driven generator and preparation method thereof |
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|---|---|---|---|
| CN201511014146.2A CN105673361B (en) | 2015-12-31 | 2015-12-31 | Ice-melt heating structure of blade of wind-driven generator and preparation method thereof |
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| CN105673361B CN105673361B (en) | 2018-07-13 |
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