CN104018997A - Anti-icing control system of wind turbine blade and manufacturing method of wind turbine blade with anti-icing performance - Google Patents
Anti-icing control system of wind turbine blade and manufacturing method of wind turbine blade with anti-icing performance Download PDFInfo
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- CN104018997A CN104018997A CN201410265638.8A CN201410265638A CN104018997A CN 104018997 A CN104018997 A CN 104018997A CN 201410265638 A CN201410265638 A CN 201410265638A CN 104018997 A CN104018997 A CN 104018997A
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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
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Abstract
The invention discloses an anti-icing control system of a wind turbine blade and a manufacturing method of the wind turbine blade with the anti-icing performance. The anti-icing control system mainly comprises a monitoring unit, a control unit and a heating unit. The anti-icing control system of the wind turbine blade is reasonable in structural design, convenient to install and high in automation degree and intelligentization degree, can effectively heat the wind turbine blade, can avoid the situation that negative effects are generated on resin and protective coatings of the blade due to the fact that the temperature of the surface of the blade is too high, and can effectively prevent the blade from icing. The manufacturing method is reasonable in technological design, high in maneuverability and stable in technology. A suction surface shell of the wind turbine blade and a pressure surface shell of the wind turbine blade are formed by wrapping middle cores by inner skin and outer skin. Electric heating materials are located on the surface of the blade or between glass fiber cloth of the outer skin of the blade or the inner side of the glass fiber cloth of the outer skin of the blade, the electric heating materials and a surface temperature sensor are integrally formed, and the wind turbine blade with an electric heating system and with the anti-icing performance can be obtained through manufacturing.
Description
Technical field
The present invention relates to a kind of wind electricity blade, be specifically related to the anti-freeze control system of a kind of wind electricity blade and there is the preparation method of the wind electricity blade of deicing properties.
Background technique
Wind energy, as an important branch of new energy, with its clean, safe, stable feature, is paid close attention to widely.The device that wind-powered electricity generation unit is is electric energy by wind energy transformation, wherein fan blade is as one of core component of wind-powered electricity generation unit, its quality directly affects the quality of wind-powered electricity generation unit, and along with the fast development of domestic and international MW class blade, blade generated output is increasing, blade is also more and more longer, also more and more high to the requirement of Blade Properties and quality.At severe cold weather, fan blade easily freezes in running.Experimental result shows, the fan blade profile initial position that freezes mainly occurs in blade inlet edge, and the amount of freezing at blade root place is less, and mainly launches to two weeks around blade root aerofoil profile, and the position that mainly freezes is still at mid blade and blade tip place.Overlay area mainly concentrates on the downside in reference level leading edge stationary point, and being reflected on blade is exactly trailing edge and the lower edge that blade contacts with flow field under certain angle of attack.And from blade root to blade tip, the amount of freezing constantly increases.Under identical wind speed, along with the increase of drop diameter, icing amount also constantly increases, and heating deicing is the effective way addressing this problem.The mode of heating deicing at present mainly contains two kinds: the hot method of gas and electrothermal way.The hot method of gas adopts logical hot air in circulation canal, or at the inner chamber of blade, fixing microwave oscillator is installed, and utilizes microwave energy heating composite material to carry out deicing.The method is subject to the restriction of blade structure, the windward side that needs heat because of the thermal conductivity of material little, especially undesirable to large-scale blade deicing effect.If heating-up temperature is too high, the heat distortion temperature of blade resin used is had higher requirements, be difficult to promote in practice.And electrical heating method does not also have desirable being applied in fan blade to heat at present.
Summary of the invention
Goal of the invention: the object of the invention is, in order to overcome the deficiencies in the prior art, provides a kind of reasonable in design, and easy for installation, automaticity is high, can carry out selectivity heating to fan blade, prevents the anti-freeze heating control system that fan blade freezes.Another object of the present invention is to provide the preparation method of the wind electricity blade with deicing properties.
Technological scheme: in order to realize above object, the technological scheme that the present invention takes is as follows:
The anti-freeze control system of a kind of wind electricity blade, it comprises: monitoring cell, control unit and heating unit;
Described monitoring cell comprises the temperature transducer that is installed on blade surface, the temperature and humidity sensor of blade environment of living in;
The PLC controller that described control unit comprises humiture transducer, is connected with humiture transducer, the solid-state relay being connected with PLC controller;
Described heating unit comprises electric heating material, with the power supply being connected with electric heating material;
Described temperature transducer is connected with humiture transducer respectively with temperature and humidity sensor;
Described solid-state relay is connected, can realizes power supply with PLC and electric heating material is connected, the switching of disconnection.
As preferred version, the anti-freeze control system of above-described wind electricity blade, described temperature transducer is 3 to 6, interval pitch is arranged on the leading edge region of blade tip, centre and the blade root of wind electricity blade.Blade surface temperature transducer and ambient temperature and humidity sensor are used for monitoring the surface temperature of fan blade, and information is passed to control unit.
As preferred version, the anti-freeze control system of above-described wind electricity blade, is characterized in that, described electric heating material is that carbon fiber bundle or metal electric heating material are fixed on glass fiber cloth or on polyester fiber cloth.
Control unit is made up of humiture transducer, PLC controller and solid-state relay, and control unit is arranged in the engine room cover of described wind-driven generator.Humiture transducer receives from blade surface temperature transducer, and the physical signalling of ambient temperature and humidity sensor is also translated into electrical signal transfer in PLC; In the time that external environment reaches ice-formation condition (as ambient temperature <0 DEG C, envionmental humidity >80%, and blade surface temperature <30 DEG C), PLC is to solid-state relay transmitted signal, control solid-state relay contacting power supply and electric heating material, to the electric heating material heating of switching on.In the time that ambient temperature and humidity does not meet default ice-formation condition (blade surface temperature higher than the relative moisture of 30 DEG C or environment lower than 80% or ambient temperature during higher than 0 DEG C), after processing, PLC controller exports cut-off signals, solid-state relay is quit work, disconnect thereby control power supply, stop electric heating material heating.Prevent that resin and the protective coating of blade surface excess Temperature to blade from having a negative impact, while avoiding environment ice-formation condition to disappear, electric heating material still works on energy saving.
Heating unit is made up of electric heating material and external power.When blade laying, according to the difference of the leading edge of cross section, centre and trailing edge laying structure, take different electric heating material laying methods.Ensureing, on the basis of original mechanical and physical character, to ensure the heating effect of blade integral.Power by external power, by electric heating material, blade surface is heated and reaches ice-melt object.
As preferred version, above-described wind electricity blade anti-icing equipment, the thickness 0.2-1mm of described electric heating material layer, is arranged on interlayer, the inner side of wind electricity blade surface or wind electricity blade exterior skin glass fiber cloth, or is directly fixed on the glass fiber cloth of exterior skin.
As preferably, it is JCJ106 that ambient temperature and humidity sensor is selected model, and it meets RF transceiver and the microprocessor of ZIGBEE consensus standard, the advantage such as have that communication distance is far away, antijamming capability strong, networking flexibility, reliable performance are stable.JCJ106 sensor terminal need coordinate JCJ106XT telegon composition sensor measuring network.Telegon can form multipoint wireless temperature and humidity monitoring system with PLC equipment jointly by standard RS-485 communication interface.
The diaphragm type RTD temperature transducer that surface temperature sensor is preferably produced with OMEGA company.This sensor is small-sized, flat diaphragm type element based on PT100 making, profile, diameter is the wire of 0.2mm (0.008 "), long 10mm (0.4 "), can within the scope of-50-500 DEG C, use, the temperature coefficient of resistance between 0 to 100 DEG C be 0.00385 Ω/DEG C.It is little that this thin film temp. sensor has size, measures advantage accurately, while being convenient to laying and electric heating material be together arranged in wind electricity blade.
It is KSW-R4 humiture transducer that humiture transducer preferably adopts model; PLC adopts the programmable logic controller (PLC) that Siemens, model are 224XPCN, and solid-state relay is selected G3NA-220B Omron solid-state relay, and instrument is installed in the regulator cubicle being located in cabin through conducting slip ring.
2 electrodes are respectively housed on electric heating material, and the voltage of power supply is 90V～380V, and the specific power in this voltage range is 100～1000W/m
3.
The preparation method of the wind electricity blade with deicing properties of the present invention, comprises the following steps:
A, be provided with suction surface housing and the pressure side housing of electric heating material with vacuum infusion molding process for compound preparation, and electric heating material is connected with main traverse line by spur traverse;
B, the suction surface housing that is provided with electric heating material step a being prepared by structure glue and pressure side housing, prefabricated shear web are bonded as one, and make the semi-finished product of wind electricity blade; Then repair semi-finished product, and paste respectively the glass fiber cloth that is soaked with in advance resin inside and outside blade inlet edge and trailing edge region, carry out reinforcement;
C, wind electricity blade semi-finished product root cut and punched, and then at its surface spraying protective coating, then root of blade bolt fastener being installed;
D, the root of wind electricity blade is connected with the wheel hub of wind-driven generator; Then control unit is arranged on the inwall of cabin cover of wind power generator, and on the coupling shaft of generator amature in engine room cover, conducting slip ring is installed; The main traverse line being connected with electric heating material (6) by conducting slip ring respectively with control unit in solid-state relay (5) tip side and power supply (7) zero line join, described solid-state relay (5) connects and composes energising or power-off loop with power supply (7) live wire, and described solid-state relay (5) is connected with PLC controller (4), described PLC controller (4) is connected with humiture transducer (3);
Then ambient temperature and humidity sensor (2) is arranged in engine rooms of wind power generators;
And blade surface temperature transducer (1) interval is arranged on to the leading edge region of blade tip, centre and the blade root of wind electricity blade.
The preparation method of the above-described wind electricity blade with deicing properties, the employing vacuum infusion molding process for compound preparation described in step a is provided with suction surface housing and the pressure side housing of electric heating material, and its method comprises the following steps:
5.1, fan blade mould processing; Cleaning fan blade mould, repair smooth after, on fan blade mould, spray releasing agent;
5.2, prepare material; The glass fiber cloth, core of blade inside panel, root reinforcing band, blade exterior skin, prefabricated girder and shear web, electric heating material, spur traverse and main traverse line are prepared in preparation; Wherein the shape of electric heating material, size and electrode extraction location preset according to treating that bunk is put; And electric heating material number sorting to desired location;
5.3, the laying of the exterior skin of electric heating material, suction surface housing and pressure side housing:
On fan blade mould, lay successively electric heating material, exterior skin glass fiber cloth;
Or on fan blade mould, lay successively one deck exterior skin glass fiber cloth, electric heating material, one deck exterior skin glass fiber cloth;
Or on fan blade mould, lay successively exterior skin glass fiber cloth, electric heating material;
Or on fan blade mould, directly lay the glass fiber cloth that is fixed with carbon fiber bundle or metal electric heating material;
5.4, the laying of electric heating material main traverse line, electric heating material electrode:
Electric heating material is provided with two electrodes in (6), is connected with respectively spur traverse on two electrodes, and two spur traverses are connected in parallel on two main traverse lines, and all electric heating materials of lay are connected in parallel;
5.5, the laying of the inside panel of core and girder and suction surface housing and pressure side housing:
Show being equipped with in the suction surface housing of electric heating material and the exterior skin of pressure side housing, lay core and prefabricated girder respectively, and lay glass fiber cloth enhancement layer at root of blade, finally distinguish again lay inside panel glass fiber cloth, make suction surface housing preshaped body and pressure side housing preshaped body;
5.6, lay auxiliary material system, gum-injecting port and vacuum pumping opening be set:
The demoulding cutting is covered with to the outer surface that is layered on blade suction surface housing preshaped body and pressure side housing preshaped body, then lays successively flow-guiding cloth, air pipe, injected rubber hose at release cloth upper surface, and gum-injecting port and vacuum pumping opening are set; Then use vacuum bag film by whole blade suction surface housing preshaped body, pressure side housing preshaped body, flow-guiding cloth, injected rubber hose and air pipe integral sealing, and seal pouring mouth, then vacuum pumping opening is connected and is vacuumized with vacuum pump, and check the tightness of closed system, guarantee that tightness reaches requirement;
5.7, vacuum infusion resin:
Resin system is mixed and carry out deaeration processing, then open gum-injecting port resin system is utilized to negative pressure of vacuum mode, be injected into respectively in blade suction surface housing preshaped body and pressure side housing preshaped body, after resin is full of completely, close gum-injecting port, and continue to vacuumize the degree of vacuum keeping in preshaped body;
5.8, after Procuring moulding, installing web plate, matched moulds, solidify and reprocessing:
Blade suction surface housing preshaped body and the pressure side housing preshaped body of resin will be poured into, heating Procuring; On the band of position of the installation crossbeam of the blade suction surface housing completing in Procuring, front and rear edge, scrape coating adhesive, then pressure side housing upset Procuring being completed is covered on suction surface housing, complete matched moulds, then carry out rear solidifying, after rear having solidified, carry out the demoulding, then the wind electricity blade that obtains being provided with electric heating material is processed in finishing.
As preferred version, the preparation method of the above-described wind electricity blade with deicing properties, in described electric heating material, be provided with two electrodes, on two electrodes, be connected with respectively spur traverse, two spur traverses are connected in parallel on two main traverse lines, and the periphery of adjacent 2 electric heating materials respectively leaves the space of 0～5mm.
As preferred version, the preparation method of the above-described wind electricity blade with deicing properties, described resin is epoxy resin or unsaturated polyester resin.
As preferred version, the preparation method of the above-described wind electricity blade with deicing properties, wind electricity blade housing is sandwich structure, and upper and lower surface is covering glass fiber cloth, and centre is foam core material; Electric heating material interval pitch is laid on the leading edge region of the outer surface of exterior skin glass fiber cloth, or interval pitch is laid between the exterior skin glass fiber cloth in leading edge region, or interval pitch is laid on the inner side of the exterior skin glass fiber cloth in leading edge region.
Wind electricity blade suction surface housing and pressure side housing are all for leading the integrated sandwiched structural member of pouring and forming process by inside panel and the coated middle core of exterior skin by vacuum;
Wherein, exterior skin is identical with the thickness of inside panel, covers and forms by 2～3 layers of glass fiber cloth paving; Electric heating material is between the outer surface of exterior skin glass fiber cloth or exterior skin glass fiber cloth or be fixed on exterior skin glass fiber cloth inner side, one-body molded with exterior skin.
A blade windward side is blade inlet edge, and a leeward side is trailing edge.Electric heating material at least overburden pressure face-piece body and suction surface housing is positioned at the part area of this blade inlet edge, and at least paving is covered 1 layer.Shape and the blade shell region conformal covering, the thickness of every layer of electric heating material is 0.2～1mm.
Above-described electric heating material is that carbon fiber bundle or metal electric heating material are fixed on glass fiber cloth or on polyester fiber cloth.
Beneficial effect: the anti-freeze control system tool of a kind of wind electricity blade provided by the invention has the following advantages:
1, the anti-freeze control system of wind electricity blade provided by the invention; reasonable in design; easy for installation; automation and intelligentification degree is high; can effectively heat fan blade, and can prevent that resin and the protective coating of blade surface excess Temperature to blade from having a negative impact, while avoiding environment ice-formation condition to disappear, electric heating material still works on energy saving; can not damage fan blade, can effectively prevent that blade from freezing.
And adopt electric heating material to heat, electric heating material heating evenly, heating efficiency is high and Security good, can effectively realize blade surface anti-freeze; Electric heating material is comparatively frivolous, less on the aerodynamic configuration impact of blade; Electric heating material is continuous structure, not fragile, easy to maintenance.And adopt PLC to gather the environmental information of multi-disc temperature and humidity sensor, control electric heating material blade surface is heated, thereby realize the real-time monitoring to blade deicing system, system stability, control accuracy are high, have obtained Important Techmical Progress.
2, the preparation method of the wind electricity blade with deicing properties provided by the invention, whole technological design is reasonable, workable, process stabilizing, adopt selection process, wherein fan blade suction surface housing and pressure side housing are all for one-body molded by vacuum infusion molding process for compound by inside panel and the coated middle core of exterior skin, electric heating material is between the outer surface of exterior skin glass fiber cloth or exterior skin glass fiber cloth or be fixed on exterior skin glass fiber cloth, surface temperature sensor, simultaneously one-body molded with exterior skin, preparation efficiency is high, can prepare and there is electric heating system, there is the wind electricity blade of deicing properties.
Brief description of the drawings
Fig. 1 is the structural representation of the anti-freeze control system of wind electricity blade of the present invention.
Fig. 2 is provided with the suction surface housing of electric heating material and preparation process's flow chart of pressure side housing.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiments is only not used in and limits the scope of the invention for the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the amendment of the various equivalent form of values of the present invention.
Embodiment 1
As shown in Figure 1: the anti-freeze control system of a kind of wind electricity blade, it mainly comprises: monitoring cell, control unit and heating unit;
Described monitoring cell comprises the temperature transducer (1) that is installed on blade surface, the temperature and humidity sensor of blade environment of living in
(2)；
The PLC controller (4) that described control unit comprises humiture transducer (3), is connected with humiture transducer (3), the solid-state relay (5) being connected with PLC controller (4);
Described heating unit comprises electric heating material (6) and the power supply (7) being connected with electric heating material (6);
Described temperature transducer (1) is connected with humiture transducer (3) respectively with temperature and humidity sensor (2);
Described solid-state relay (5) is connected with PLC (4), realizes the switching that power supply (7) and electric heating material (6) are connected, disconnected.
Above-described wind electricity blade anti-icing equipment, the thickness 0.2-1mm of described electric heating material layer (6), be arranged on interlayer, the inner side of wind electricity blade surface or wind electricity blade exterior skin glass fiber cloth, or be fixed on wind electricity blade exterior skin glass fiber cloth.
Above-described electric heating material (6) is made for carbon fiber bundle or metal electric heating material are fixed on glass fiber cloth or on polyester fiber cloth.
Embodiment 2
A preparation method with the wind electricity blade of deicing properties, it comprises the following steps:
A, be provided with suction surface housing and the pressure side housing of electric heating material with vacuum infusion molding process for compound preparation, and electric heating material is connected with main traverse line by spur traverse;
B, the suction surface housing that is provided with electric heating material step a being prepared by structure glue and pressure side housing, prefabricated shear web are bonded as one, and make the semi-finished product of wind electricity blade; Then repair semi-finished product, and paste respectively the glass fiber cloth that is soaked with in advance resin inside and outside blade inlet edge and trailing edge region, carry out reinforcement;
C, wind electricity blade semi-finished product root cut and punched, and then at its surface spraying protective coating, then root of blade bolt fastener being installed;
D, the root of wind electricity blade is connected with the wheel hub of wind-driven generator; Then control unit is arranged on the inwall of cabin cover of wind power generator, and on the coupling shaft of generator amature in engine room cover, conducting slip ring is installed; The main traverse line being connected with electric heating material (6) by conducting slip ring respectively with control unit in solid-state relay (5) tip side and power supply (7) zero line join, described solid-state relay (5) connects and composes energising or power-off loop with power supply (7) live wire, and described solid-state relay (5) is connected with PLC controller (4), described PLC controller (4) is connected with humiture transducer (3);
Then ambient temperature and humidity sensor (2) is arranged in engine rooms of wind power generators;
And blade surface temperature transducer (1) interval is arranged on to the leading edge region of blade tip, centre and the blade root of wind electricity blade.
The preparation method of the above-described wind electricity blade with deicing properties, the employing vacuum infusion molding process for compound preparation described in step a is provided with suction surface housing and the pressure side housing of electric heating material, and its method comprises the following steps: as shown in Figure 2:
5.1, fan blade mould processing; Cleaning fan blade mould, repair smooth after, on fan blade mould, spray releasing agent;
5.2, prepare material; The glass fiber cloth, core of blade inside panel, root reinforcing band, blade exterior skin, prefabricated girder and shear web, electric heating material, spur traverse and main traverse line are prepared in preparation; Wherein the shape of electric heating material, size and electrode extraction location preset according to treating that bunk is put; And electric heating material number sorting to desired location;
5.3, the laying of the exterior skin of electric heating material, suction surface housing and pressure side housing:
On fan blade mould, lay successively electric heating material, exterior skin glass fiber cloth;
Or on fan blade mould, lay successively one deck exterior skin glass fiber cloth, electric heating material, one deck exterior skin glass fiber cloth;
Or on fan blade mould, lay successively exterior skin glass fiber cloth, electric heating material;
Or on fan blade mould, directly lay the glass fiber cloth that is fixed with carbon fiber bundle or metal electric heating material;
5.4, the laying of electric heating material main traverse line, electric heating material electrode:
Electric heating material is provided with two electrodes in (6), is connected with respectively spur traverse on two electrodes, and two spur traverses are connected in parallel on two main traverse lines, and all electric heating materials of lay are connected in parallel;
5.5, the laying of the inside panel of core and girder and suction surface housing and pressure side housing:
Show being equipped with in the suction surface housing of electric heating material and the exterior skin of pressure side housing, lay core and prefabricated girder respectively, and lay glass fiber cloth enhancement layer at root of blade, finally distinguish again lay inside panel glass fiber cloth, make suction surface housing preshaped body and pressure side housing preshaped body;
5.6, lay auxiliary material system, gum-injecting port and vacuum pumping opening be set:
The demoulding cutting is covered with to the outer surface that is layered on blade suction surface housing preshaped body and pressure side housing preshaped body, then lays successively flow-guiding cloth, air pipe, injected rubber hose at release cloth upper surface, and gum-injecting port and vacuum pumping opening are set; Then use vacuum bag film by whole blade suction surface housing preshaped body, pressure side housing preshaped body, flow-guiding cloth, injected rubber hose and air pipe integral sealing, and seal pouring mouth, then vacuum pumping opening is connected and is vacuumized with vacuum pump, and check the tightness of closed system, guarantee that tightness reaches requirement;
5.7, vacuum infusion resin:
Resin system is mixed and carry out deaeration processing, then open gum-injecting port resin system is utilized to negative pressure of vacuum mode, be injected into respectively in blade suction surface housing preshaped body and pressure side housing preshaped body, after resin is full of completely, close gum-injecting port, and continue to vacuumize the degree of vacuum keeping in preshaped body;
5.8, after Procuring moulding, installing web plate, matched moulds, solidify and reprocessing:
Blade suction surface housing preshaped body and the pressure side housing preshaped body of resin will be poured into, heating Procuring; On the band of position of the installation crossbeam of the blade suction surface housing completing in Procuring, front and rear edge, scrape coating adhesive, then pressure side housing upset Procuring being completed is covered on suction surface housing, complete matched moulds, then carry out rear solidifying, after rear having solidified, carry out the demoulding, then the wind electricity blade that obtains being provided with electric heating material is processed in finishing.
The preparation method of the above-described wind electricity blade with deicing properties, in described electric heating material (6), be provided with two electrodes, on two electrodes, be connected with respectively spur traverse, two spur traverses are connected in parallel on two main traverse lines, and the periphery of adjacent 2 electric heating materials (6) respectively leaves the space of 0～5mm.
The preparation method of the above-described wind electricity blade with deicing properties, described resin is epoxy resin or unsaturated polyester resin.
The preparation method of the above-described wind electricity blade with deicing properties, wind electricity blade housing is sandwich structure, and upper and lower surface is covering glass fiber cloth, and centre is foam core material; Electric heating material (6) interval pitch is laid on the leading edge region of the outer surface of exterior skin glass fiber cloth, or interval pitch is laid between the exterior skin glass fiber cloth in leading edge region, or interval pitch is laid on the inner side of the exterior skin glass fiber cloth in leading edge region.
Above-described electric heating material is that carbon fiber bundle or metal electric heating material are fixed on glass fiber cloth or on polyester fiber cloth.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the anti-freeze control system of wind electricity blade, is characterized in that, it mainly comprises: monitoring cell, control unit and heating unit;
Described monitoring cell comprises the temperature transducer (1) that is installed on blade surface, the temperature and humidity sensor (2) of blade environment of living in;
The PLC controller (4) that described control unit comprises humiture transducer (3), is connected with humiture transducer (3), the solid-state relay (5) being connected with PLC controller (4);
Described heating unit comprises electric heating material (6) and the power supply (7) being connected with electric heating material (6);
Described temperature transducer (1) is connected with humiture transducer (3) respectively with temperature and humidity sensor (2);
Described solid-state relay (5) is connected with PLC (4), can realize the connection of power supply (7) and electric heating material (6), the switching of disconnection.
2. the anti-freeze control system of wind electricity blade according to claim 1, is characterized in that, described temperature transducer (1) is 3 to 6, and interval is arranged on the leading edge region of blade tip, centre and the blade root of wind electricity blade.
3. the anti-freeze control system of wind electricity blade according to claim 1, is characterized in that, described electric heating material (6) is fixed on glass fiber cloth or on polyester fiber cloth for carbon fiber bundle or metal electric heating material.
4. the preparation method of the wind electricity blade with deicing properties claimed in claim 1, is characterized in that, comprises the following steps:
A, be provided with suction surface housing and the pressure side housing of electric heating material with vacuum infusion molding process for compound preparation, and electric heating material is connected with main traverse line by spur traverse;
B, the suction surface housing that is provided with electric heating material step a being prepared by structure glue and pressure side housing, prefabricated shear web are bonded as one, and make the semi-finished product of wind electricity blade; Then repair semi-finished product, and paste respectively the glass fiber cloth that is soaked with in advance resin inside and outside blade inlet edge and trailing edge region, carry out reinforcement;
C, wind electricity blade semi-finished product root cut and punched, and then at its surface spraying protective coating, then root of blade bolt fastener being installed;
D, the root of wind electricity blade is connected with the wheel hub of wind-driven generator; Then control unit is arranged on the inwall of cabin cover of wind power generator, and on the coupling shaft of generator amature in engine room cover, conducting slip ring is installed; The main traverse line being connected with electric heating material (6) by conducting slip ring respectively with control unit in solid-state relay (5) tip side and power supply (7) zero line join, described solid-state relay (5) connects and composes energising or power-off loop with power supply (7) live wire, and described solid-state relay (5) is connected with PLC controller (4), described PLC controller (4) is connected with humiture transducer (3);
Then ambient temperature and humidity sensor (2) is arranged in engine rooms of wind power generators;
And blade surface temperature transducer (1) interval is arranged on to the leading edge region of blade tip, centre and the blade root of wind electricity blade.
5. the preparation method of the wind electricity blade with deicing properties according to claim 4, it is characterized in that, employing vacuum infusion molding process for compound preparation described in step a is provided with suction surface housing and the pressure side housing of electric heating material, and its method comprises the following steps:
5.1, fan blade mould processing; Cleaning fan blade mould, repair smooth after, on fan blade mould, spray releasing agent;
5.2, prepare material; The glass fiber cloth, core of blade inside panel, root reinforcing band, blade exterior skin, prefabricated girder and shear web, electric heating material, spur traverse and main traverse line are prepared in preparation; Wherein the shape of electric heating material, size and electrode extraction location preset according to treating that bunk is put; And electric heating material number sorting to desired location;
5.3, the laying of the exterior skin of electric heating material, suction surface housing and pressure side housing:
On fan blade mould, lay successively electric heating material, exterior skin glass fiber cloth;
Or on fan blade mould, lay successively one deck exterior skin glass fiber cloth, electric heating material, one deck exterior skin glass fiber cloth;
Or on fan blade mould, lay successively exterior skin glass fiber cloth, electric heating material;
Or on fan blade mould, directly lay the glass fiber cloth that is fixed with carbon fiber bundle or metal electric heating material;
5.4, the laying of electric heating material main traverse line, electric heating material electrode:
Electric heating material is provided with two electrodes in (6), is connected with respectively spur traverse on two electrodes, and two spur traverses are connected in parallel on two main traverse lines, and all electric heating materials of lay are connected in parallel;
5.5, the laying of the inside panel of core and girder and suction surface housing and pressure side housing:
Show being equipped with in the suction surface housing of electric heating material and the exterior skin of pressure side housing, lay core and prefabricated girder respectively, and lay glass fiber cloth enhancement layer at root of blade, finally distinguish again lay inside panel glass fiber cloth, make suction surface housing preshaped body and pressure side housing preshaped body;
5.6, lay auxiliary material system, gum-injecting port and vacuum pumping opening be set:
The demoulding cutting is covered with to the outer surface that is layered on blade suction surface housing preshaped body and pressure side housing preshaped body, then lays successively flow-guiding cloth, air pipe, injected rubber hose at release cloth upper surface, and gum-injecting port and vacuum pumping opening are set; Then use vacuum bag film by whole blade suction surface housing preshaped body, pressure side housing preshaped body, flow-guiding cloth, injected rubber hose and air pipe integral sealing, and seal pouring mouth, then vacuum pumping opening is connected and is vacuumized with vacuum pump, and check the tightness of closed system, guarantee that tightness reaches requirement;
5.7, vacuum infusion resin:
Resin system is mixed and carry out deaeration processing, then open gum-injecting port resin system is utilized to negative pressure of vacuum mode, be injected into respectively in blade suction surface housing preshaped body and pressure side housing preshaped body, after resin is full of completely, close gum-injecting port, and continue to vacuumize the degree of vacuum keeping in preshaped body;
5.8, after Procuring moulding, installing web plate, matched moulds, solidify and reprocessing:
Blade suction surface housing preshaped body and the pressure side housing preshaped body of resin will be poured into, heating Procuring; On the band of position of the installation crossbeam of the blade suction surface housing completing in Procuring, front and rear edge, scrape coating adhesive, then pressure side housing upset Procuring being completed is covered on suction surface housing, complete matched moulds, then carry out rear solidifying, after rear having solidified, carry out the demoulding, then the wind electricity blade that obtains being provided with electric heating material is processed in finishing.
6. the preparation method of the wind electricity blade with deicing properties according to claim 5, it is characterized in that, in described electric heating material (6), be provided with two electrodes, on two electrodes, be connected with respectively spur traverse, two spur traverses are connected in parallel on two main traverse lines, and the periphery of adjacent 2 electric heating materials (6) respectively leaves the space of 0 5mm.
7. the preparation method of the wind electricity blade with deicing properties according to claim 5, is characterized in that, described resin is epoxy resin or unsaturated polyester resin.
8. the preparation method of the wind electricity blade with deicing properties according to claim 4, is characterized in that, wind electricity blade housing is sandwich structure, and upper and lower surface is covering glass fiber cloth, and centre is foam core material; Electric heating material (6) interval pitch is laid on the leading edge region of the outer surface of exterior skin glass fiber cloth, or interval pitch is laid between the exterior skin glass fiber cloth in leading edge region, or interval pitch is laid on the inner side of the exterior skin glass fiber cloth in leading edge region.
9. the preparation method of the wind electricity blade with deicing properties according to claim 4, is characterized in that, described electric heating material is that carbon fiber bundle or metal electric heating material are fixed on glass fiber cloth or on polyester fiber cloth.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2402184A1 (en) * | 2010-07-02 | 2012-01-04 | Renault S.A.S. | System and method for controlling a fan in an automobile |
| CN202612005U (en) * | 2012-05-25 | 2012-12-19 | 长沙理工大学 | Intelligent deicer of wind velocity indicator for wind generation set |
| CN103291560A (en) * | 2013-04-26 | 2013-09-11 | 湘电新能源有限公司 | Anti-icing method of carbon crystal and wind power generator anti-icing system employing method |
| CN103821675A (en) * | 2014-01-22 | 2014-05-28 | 刘中威 | Wind generator rotor blade electrothermal ice melting tower bottom monitoring system |
-
2014
- 2014-06-13 CN CN201410265638.8A patent/CN104018997B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2402184A1 (en) * | 2010-07-02 | 2012-01-04 | Renault S.A.S. | System and method for controlling a fan in an automobile |
| CN202612005U (en) * | 2012-05-25 | 2012-12-19 | 长沙理工大学 | Intelligent deicer of wind velocity indicator for wind generation set |
| CN103291560A (en) * | 2013-04-26 | 2013-09-11 | 湘电新能源有限公司 | Anti-icing method of carbon crystal and wind power generator anti-icing system employing method |
| CN103821675A (en) * | 2014-01-22 | 2014-05-28 | 刘中威 | Wind generator rotor blade electrothermal ice melting tower bottom monitoring system |
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|---|---|---|---|---|
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| US10502192B2 (en) | 2014-10-30 | 2019-12-10 | Zhuzhou Times New Materials Technology Co., Ltd. | Anti-icing wind power blade and blade deicing and heating method |
| CN105003393B (en) * | 2015-06-29 | 2017-12-12 | 东方电气（天津）风电叶片工程有限公司 | A kind of wind driven generator vane front edge protective layer with ice-removing and ice-preventing function |
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