CN208605312U - Recoverable electro-heat deicing aero-generator rotor blade - Google Patents

Abstract

The utility model, which provides one kind, can repair electro-heat deicing aero-generator rotor blade, and blade includes: inside panel frp layer, core material, three axis glass-fiber-fabrics, can repair carbon fiber electric heating ice-melt chip, two axis fiberglass cloths, exterior skin frp layer；Electro-heat deicing chip has the carbon fiber bundle of longitude and latitude both direction arrangement, through to being mutual conduction between broadwise carbon fiber bundle, chip has side a and b, at the both ends A, B, every, through being connected to carbon fiber bundle by connecting terminal with plain conductor, by cable being connected in parallel to carbon fiber bundle, passes through bolt through-hole by conducting connection bolt, it is connected with blade cavity interior power line, and chip is fixed.Blade adjusts the current density by electrothermal chip by adjusting the density of carbon fiber bundle, simultaneously bi-directionally network makes blade form one in electric property, anti-damage performance is strong, when certain carbon fiber bundle breaks down, does not influence the heating property of electro-heat deicing chip.

Description

Recoverable electro-heat deicing aero-generator rotor blade

Technical field

The utility model belongs to new energy technology and apparatus field, and in particular to a kind of recoverable electro-heat deicing wind-force hair Rotor blade.

Background technique

The pressure increasing in face of population, people increasingly pay close attention to energy problem, and the new energy such as wind energy, solar energy are It is increasingly becoming the important way that people solve energy problem.In wind power generation field, commonly used equipment is wind-driven generator, generator Rotor blade is the energy resource collecting power device of wind-driven generator, and therefore, the care and maintenance of blade is most important.

Wind-force hair rotor blade is used to acquire wind energy, then must be exposed in natural environment, therefore, blade is in design When, not only to consider the influence of self-operating mode, it is also necessary to consider the influence of environment.For example, occurrence of large-area in 2008 After freezing disaster, heavy losses are caused to many industries, wind power industry is no exception.To prevent freezing disaster, every profession and trade A variety of de-icing technologies start to research and develop and apply, and including manually ice-melt is beaten, the polymeric coating layers such as silicone oil, nano material melt Ice, electro-heat deicing technology etc., wherein electro-heat deicing technology is a kind of more practical de-icing technology.

The Chinese patent of Patent No. 201210390773.6, damage caused by being frozen according to aero-generator rotor blade It loses, a kind of aero-generator rotor blade with electro-heat deicing apparatus is disclosed, by the outer surface of blade body, interior table The deicing device for converting electrical energy into thermal energy is set on face and/or in interlayer, prevents to freeze or remove on blade of wind-driven generator The ice that blade of wind-driven generator surface has been tied.

The Chinese patent of Patent No. 201410025123.0 discloses a kind of wind-driven generator electro-heat deicing rotor leaf Piece, electrothermal chip and molding machine and method specifically disclose the structure and molding equipment and method of electrothermal chip, electrothermal chip Structure be on glass fabric plus seam through to the strip carbon fiber bundle of distribution constitute, pass through carbon fiber bundle electrified regulation blade It can prevent blade surface to reach and freeze but also melt the ice that blade surface tied.Fig. 1 is electric heating described in the prior art The schematic diagram that ice-melt aero-generator rotor blade cross-section structure and concentrated wear influence area of heat-supply service.As shown in Figure 1, the knot Structure carbon fiber bundle is only in glass fabric through having certain distance, every carbon fiber between two carbon fiber bundles to arrangement Beam be it is independent, be mutually not turned between neighbouring carbon fiber bundle.Due in unidirectional strip structure every carbon fiber bundle be it is independent, It is mutually not turned in electric property with other carbon fiber bundles, once certain root carbon fiber bundle breaks down, as soon as it is disconnected if any point, It will affect that whole carbon fiber bundle is non-conductive, seriously affect the heating property of electrothermal chip, therefore can not be to packet gas, dry spot in blade The defects of repaired.

Utility model content

The technical problems to be solved in the utility model is the electrothermal chip in aero-generator rotor blade in the prior art The defects of packet gas, dry spot can not be repaired, proposes a kind of recoverable electro-heat deicing aero-generator rotor blade and its preparation side Method prepares electrothermal chip by the way of carbon fiber bundle longitude and latitude intersection, so that the aero-generator rotor blade of preparation is not The reparation for the defects of heating ice-melt function of regioselectivity only may be implemented, while packet gas, dry spot in blade can be carried out.

One aspect according to the present utility model, electro-heat deicing aero-generator rotor blade can be repaired by providing one kind, The blade includes: inside panel frp layer, core material, three axis glass-fiber-fabrics, can repair carbon fiber electric heating ice-melt chip, two axis glass Scrim cloth, exterior skin frp layer；Wherein,

The carbon fiber bundle repaired carbon fiber electric heating ice-melt chip and there is longitude and latitude both direction arrangement, Jing Xiangyu broadwise It is mutual conduction between carbon fiber bundle, carbon fiber electric heating ice-melt chip can be repaired with side a and b, at the both ends A, B, every Through being connected to carbon fiber bundle by connecting terminal with plain conductor, it is connected in parallel by cable handle to carbon fiber bundle, Bolt through-hole is passed through by conducting connection bolt, is connected with blade cavity interior power line, and handle can repair carbon fiber electric heating ice-melt Chip is fixed in blade.

In above scheme, the carbon fiber bundle of the longitude and latitude both direction arrangement, further are as follows:

One interlamellar spacing it is fixed through being located on the broadwise carbon fiber bundle of interlamellar spacing fixation to carbon fiber bundle；

Or,

The fixed broadwise carbon fiber bundle of one interlamellar spacing be located at interlamellar spacing fixation through on carbon fiber bundle；

Or,

Through forming each cross one another net of node to carbon fiber bundle and broadwise carbon fiber bundle cross arrangement.

Utility model has the following beneficial effects:

The present embodiment repairs electro-heat deicing aero-generator rotor blade, by installing carbon fiber ice-melt in blade Electrothermal chip realizes the electro-heat deicing function of aero-generator rotor blade, meanwhile, intersect by using carbon fiber bundle longitude and latitude Mode prepares carbon fiber ice-melt electrothermal chip, on the one hand adjusts the electricity by electrothermal chip by adjusting the density of carbon fiber bundle Current density, so as to adjust the heating temperature of electrothermal chip, the arrangement of the two-way fenestral fabric of still further aspect is so that through to carbon fiber Dimension is connected with each other by broadwise carbon fiber bundle, one is formed in electric property, anti-damage performance is strong, if certain carbon fiber bundle goes out Existing failure, such as through disconnecting to somewhere carbon fiber bundle, electric current can bypass breakpoint by broadwise carbon fiber bundle in gap, after Continue and circulate in the root carbon fiber bundle, have substantially no effect on the electric property of ice-melt electrothermal chip, does not also just influence ice-melt heating core The heating property of piece.When several to carbon fiber bundle through disconnecting, entire electrothermal chip through broadwise can be passed through to carbon fiber Carbon fiber bundle connection, can effectively control no power range, reduce athermic area, guarantee the ice-melt effect of electrothermal chip.

Detailed description of the invention

Fig. 1 be described in the prior art in electro-heat deicing aero-generator rotor blade electrothermal chip carbon fiber bundle layout and The schematic diagram that concentrated wear influences area of heat-supply service；

Fig. 2 is that the utility model first embodiment can repair the signal of electro-heat deicing aero-generator rotor blade cross-section structure Figure；

Fig. 3 is that the utility model first embodiment can repair electrothermal chip carbon in electro-heat deicing aero-generator rotor blade The schematic diagram that fibre bundle layout and concentrated wear influence area of heat-supply service；

Fig. 4 is that can repair carbon fiber electric heating ice-melt chip in the utility model first embodiment can repair electro-heat deicing wind Connection schematic diagram in power generator rotor blade；

Fig. 5 is the layout signal that carbon fiber electric heating ice-melt chip can be repaired in the utility model second embodiment on blade Figure；

Fig. 6 is that can repair vacuum infusion molding in aero-generator rotor blade in the utility model second embodiment to illustrate Figure.

Description of symbols:

1- inside panel frp layer；2- core material；Tri- axis glass-fiber-fabric of 3-；4- can repair carbon fiber electric heating ice-melt chip；5- bis- Axis fiberglass cloth；6- exterior skin frp layer；7- release materials；8- pressure-sensitive tape；9- band；10- connecting tube； 11- diversion pipe；12- flow-guiding screen；13- release cloth；14- vacuum film bag；Metal bolts are connected in 41-；42- bolt through-hole；51- leaf Tip.

Specific embodiment

By reference to exemplary embodiment, the utility model technical problem, technical solution and advantage will be illustrated.So And the utility model is not limited to exemplary embodiment as disclosed below；Reality can be subject to it by different form It is existing.The essence of specification is only to aid in the detail of those skilled in the relevant arts' Integrated Understanding the utility model.

The aero-generator rotor blade to work in a natural environment is protected from environmental larger.It is harsh in face of icing etc. Working environment, the utility model proposes a kind of recoverable electro-heat deicing aero-generator rotor blades, by blade Carbon fiber ice-melt electrothermal chip is installed, realizes the electro-heat deicing function of aero-generator rotor blade, meanwhile, by using carbon fiber The mode that dimension Shu Jingwei intersects prepares carbon fiber ice-melt electrothermal chip, on the one hand logical to adjust by adjusting the density of carbon fiber bundle The current density of electrothermal chip is crossed, so as to adjust the heating temperature of electrothermal chip, the row of the two-way fenestral fabric of still further aspect Cloth makes through being connected with each other to carbon fiber by broadwise carbon fiber bundle, one is formed in electric property, anti-damage performance is strong, such as Fruit carbon fiber bundle breaks down, and such as through disconnecting to somewhere carbon fiber bundle, electric current can pass through broadwise carbon fiber in gap It ties up beam and bypasses breakpoint, continuation is circulated in the root carbon fiber bundle, has substantially no effect on the electric property of ice-melt electrothermal chip, also just not Influence the heating property of ice-melt electrothermal chip.Therefore, can be located inside electrothermal chip by way of punching in blade The defects of packet gas, dry spot, carries out exposure and further repairs.

Below by specific embodiment, the utility model is described in further detail.

First embodiment

A kind of recoverable electro-heat deicing aero-generator rotor blade is present embodiments provided, the blade includes: can It repairs carbon fiber electric heating ice-melt chip (abbreviation electrothermal chip).

The blade further include: inside panel frp layer, core material, three axis glass-fiber-fabrics, two axis fiberglass cloths, exterior skin Frp layer.

Fig. 2 is that the recoverable electro-heat deicing aero-generator rotor blade cross-section structure of the utility model embodiment is illustrated Figure.As shown in Fig. 2, the recoverable electro-heat deicing aero-generator rotor blade successively include: inside panel frp layer 1, Core material 2, three axis glass-fiber-fabrics 3 can repair carbon fiber electric heating ice-melt chip 4, two axis fiberglass cloths 5, exterior skin frp layer 6。

Wherein, the core material 2 is balse timber or PVC foam.In the inside panel frp layer 1 and exterior skin glass Between steel layer 6, sets gradually core material 2, three axis glass-fiber-fabrics 3, carbon fiber electric heating ice-melt chip 4 and two axis glass fabrics can be repaired Layer 5.Carbon fiber electric heating ice-melt chip 4 can be repaired with a thickness of 0.4-1mm, being named as TYXK-N type in actual production can repair Multiple electrothermal chip.Distributing position and area of the carbon fiber electric heating ice-melt chip 4 in blade construction can be repaired according to ice-melt need It asks, heating temperature determines.The higher region of heating temperature is needed, electrothermal chip distribution is close；The region that heating temperature is low is needed, electricity Hot chip distribution is dredged；The region for not needing heating does not need setting electrothermal chip then, and by the glass with electrothermal chip stack pile Fiber cloth replaces.Under normal conditions, distributing position i.e. installation position of the carbon fiber electric heating ice-melt chip in rotor blade can be repaired Setting is that blade is easy the region to freeze, such as the bottom windward side of blade.Since completion is fabricated separately in chip, make as needed The chip for making one fixed width indefinite length, if width is 40cm.When installation, certain length is cut as needed, Such as 30m.In the present embodiment, the area that chip is distributed in blade can be equivalent to length, and the length is according to electrothermal chip Width and current density determine that the entire electric heating layer of blade can be made of multiple sub- electrothermal chips, every sub- electrothermal chip can It, can also be with multiple sub- electrothermal chip parallel operations individually to power.

Fig. 3 is that the present embodiment electrothermal chip carbon fiber bundle in it can repair electro-heat deicing aero-generator rotor blade is laid out And the schematic diagram that concentrated wear influences area of heat-supply service.Carbon fiber electric heating ice-melt chip 4, structure are repaired in the present embodiment Are as follows: arrange that carbon fiber bundle, the carbon fiber bundle on electrothermal chip form two-way latticed in the longitude and latitude both direction of glass fabric Structure, spacing between carbon fiber are 10-20mm in longitude and latitude both direction, are mutual conductions between carbon fiber bundle.Specifically , can an interlamellar spacing it is fixed through on carbon fiber bundle, then the fixed broadwise carbon fiber bundle of an interlamellar spacing of arranging, or On the fixed broadwise carbon fiber bundle of one interlamellar spacing, then an interlamellar spacing of arranging it is fixed through to carbon fiber bundle, or will be through to carbon fiber Beam and broadwise carbon fiber bundle cross arrangement are tieed up, each cross one another net of node is formed.

And in the prior art, carbon fiber bundle is through to distribution, unidirectional strip structure makes every carbon fiber bundle be independent , it is mutually not turned in electric property with other carbon fiber bundles, once certain root carbon fiber bundle breaks down, if any a point off It opens, just will affect that whole carbon fiber bundle is non-conductive, seriously affect the heating property of electrothermal chip.And the Two-way Network in the present embodiment Grating texture, so that forming one, anti-destructive in electric property through being connected with each other to carbon fiber by broadwise carbon fiber bundle Can be strong, if certain carbon fiber bundle breaks down, such as through disconnecting to somewhere carbon fiber bundle, electric current can pass through latitude in gap Breakpoint is bypassed to carbon fiber bundle, continuation is circulated in the root carbon fiber bundle, has substantially no effect on the electric property of electrothermal chip, also The heating property of electrothermal chip is not influenced, this performance of electrothermal chip can be used for repairing the defects of packet gas, dry spot in blade It is multiple, therefore referred to as recoverable carbon fiber electric heating ice-melt chip.

It is based on glass fabric that carbon fiber electric heating ice-melt chip, which can be repaired, and physical property is similar to glass fibers Wei Bu has the characteristics that regular shape (bar shaped), soft, easy to process, can according to glass fabric processing method into Row working process, is processed into different shape as required.Length needed for carbon fiber electric heating ice-melt chip can be repaired is according to the electricity used Hot Chip-wide and the current density passed through are calculated；The length of carbon fiber electric heating ice-melt chip can be repaired, after width determines, The shape of its chip determines that, according to shape need, carries out cutting processing to electrothermal chip, rectangular strap required for being formed Shape structure repairs carbon fiber electric heating ice-melt chip.

Fig. 4 is that can repair carbon fiber electric heating ice-melt chip in the present embodiment can repair electro-heat deicing wind power generator rotor Connection schematic diagram in blade.As shown in figure 4, the carbon fiber electric heating ice-melt chip of repairing has the end A and the end B, in A, B Both ends, every through being connected to carbon fiber bundle by connecting terminal with plain conductor, by cable through to carbon fiber bundle simultaneously It is linked togather, bolt through-hole 42 is passed through by conducting connection bolt 41, is connected with blade cavity interior power line (not shown), And it is fixed in blade carbon fiber electric heating ice-melt chip can be repaired.The shape on it can repair carbon fiber electric heating ice-melt chip as a result, It is connected at unified electrical structure, and with power supply line, guarantees the power supply to every carbon fiber bundle.Wind turbines in the present embodiment 220 volts of power supplys are provided.

After being installed, by vacuum perfusion process, carbon fiber electric heating ice-melt chip and other each portions can be repaired by described in Part forms in rotor blade together.Specifically, exterior skin frp layer, two axis glass fibres in leaf production mold Cloth, TYXK-N type can repair electrothermal chip, three axis glass fabrics, core material, inside panel frp layer material and be arranged in order, separately It is outer that equipment such as release cloth, flow-guiding screen relevant to priming by vacuum etc. is installed, adhesive is pumped into leaf using instillation process is vacuumized Piece makes in mold, is fabricated to rotor blade.Preferably, adhesive here is epoxy resin.Its vacuum infusion molding process for compound It is identical as common blade manufacture craft, the difference is that common blade does not have TYXK-N that can repair heating core lamella, it cannot be leaf Piece provides heat required for ice-melt, does not have the function of electro-heat deicing.

Since vacuum perfusion process is related to multi-level, multiple material, the factor for influencing product quality is relatively more, gas such as occurs Bad, local pickup of bubble, local infiltration etc., these factors are likely to cause occur local dry spot, dryspot meeting in blade It influences the normal operation of blade or reduces the service life of blade, need to carry out reparation operation.When dryspot is in heating core lamella When outside, it can be repaired using common blade renovation technique, when dryspot is inside heating core lamella, it is necessary to Heating core lamella burrows, and internal dryspot is exposed, is then repaired.Core will be damaged by burrowing on electrothermal chip The carbon fiber bundle of on piece, for the electrothermal chip of unidirectional strip structure, due to being mutually not turned between carbon fiber bundle every, carbon fiber Beam somewhere disconnect, whole carbon fiber bundle just disconnect it is non-conductive because vacuum perfusion process is all embedded in entire carbon fiber bundle In epoxy resin, the carbon fiber bundle of disconnection is directly connected to upper its electric conductivity of recovery, does not have such technique item also at present Part, therefore the disconnection of local carbon fiber bundle results in that large area in chip is non-conductive, and nonconducting region cannot generate heat, and reduces The heat that electrothermal chip generates, directly affects the ice-melt effect of electrothermal chip.Carbon fiber electric heating ice-melt chip can be repaired using double To fenestral fabric, through, by broadwise carbon fiber bundle mutual conduction, being disconnected to carbon fiber bundle when certain to carbon fiber bundle, except disconnected It is outer to open part, is still on state to the other parts of carbon fiber bundle, does not influence heated current and pass through, thermal loss compared with It is small, it is little to the ice-melt influential effect of blade.It can be by electrothermal chip using carbon fiber electric heating ice-melt chip can be repaired On burrow, make blade interior defect exposure and repaired.Therefore this blade is called recoverable electro-heat deicing wind-force to send out Rotor blade.

Meanwhile when several to carbon fiber bundle through disconnecting, entire electrothermal chip through broadwise can be passed through to carbon fiber Carbon fiber bundle connection, can effectively control no power range, reduce athermic area, guarantee the ice-melt effect of electrothermal chip. In the present embodiment, carbon fiber electric heating ice-melt chip is repaired using 20 meters of length, width 40cm, cut out in the middle 10cm × Two kinds of square holes of 10cm and 15cm × 15cm are tested, the results showed that when there is the hole 10cm × 10cm in chip, electrothermal chip Ice-melt performance be basically unchanged, hole area be 15cm × 15cm when, the ice-melt effect of chip has an impact, recoverable leaf Its width of dry spot should control within the 40% of electrothermal chip width inside piece.

Repairing carbon fiber electric heating ice-melt chip and can repair electro-heat deicing wind power generator rotor leaf to the present embodiment Piece carries out the test of practical application, and test item is the heating deicing test of 1.5 megawatts of blades.When the project enters icing environment When, the blade heating deicing system of experimental prototype starts to start, blade surface maximum temperature and minimum value all rapid increases, surface 10 DEG C or so of ice-out or maintenance, blade surface will not icing.During low-temperature ice-coating more than a day, the wind speed of model machine and Power relation is normal, and other neighbouring units are shut down in this period because icing is serious, and finally, model machine shuts down machine than other Multiple 1.2 ten thousand degree of group electric.Be additionally carried out 2 megawatts of blades heating deicing test, the deicing model machine of the utility model and its He shuts down unit compared to multiple about 40,000 degree of electricity.

It can be seen from the above the present embodiment repairs electro-heat deicing aero-generator rotor blade, by blade Middle installation carbon fiber ice-melt electrothermal chip realizes the electro-heat deicing function of aero-generator rotor blade, meanwhile, by using carbon The mode that fibre bundle longitude and latitude intersects prepares carbon fiber ice-melt electrothermal chip, on the one hand adjusts by adjusting the density of carbon fiber bundle By the current density of electrothermal chip, so as to adjust the heating temperature of electrothermal chip, the two-way fenestral fabric of still further aspect Arrangement forms one so that through being connected with each other to carbon fiber by broadwise carbon fiber bundle in electric property, and anti-damage performance is strong, If certain carbon fiber bundle breaks down, such as through disconnecting to somewhere carbon fiber bundle, electric current can pass through broadwise carbon in gap Fibre bundle bypasses breakpoint, and continuation is circulated in the root carbon fiber bundle, has substantially no effect on the electric property of ice-melt electrothermal chip, also The heating property of ice-melt electrothermal chip is not influenced.When several to carbon fiber bundle through disconnecting, entire electrothermal chip through to carbon Fiber can be connected by broadwise carbon fiber bundle, can effectively control no power range, reduce athermic area, guarantee electric heating The ice-melt effect of chip.

Second embodiment

Present embodiments provide a kind of preparation method that can repair electro-heat deicing aero-generator rotor blade, the method Include the following steps:

Step S1, preparation can repair carbon fiber electric heating ice-melt chip (hereinafter referred to as electrothermal chip).

Specifically, in the longitude and latitude both direction arrangement carbon fiber bundle of glass fabric, between Jing Xiangyu broadwise carbon fiber bundle Mutual conduction.

In this step, carbon fiber bundle is arranged in the longitude and latitude both direction of glass fabric, further are as follows: solid in an interlamellar spacing It is fixed through on carbon fiber bundle, then the fixed broadwise carbon fiber bundle of an interlamellar spacing of arranging；Or the broadwise fixed in an interlamellar spacing On carbon fiber bundle, then an interlamellar spacing of arranging it is fixed through to carbon fiber bundle；Or it will be through to carbon fiber bundle and broadwise carbon fiber bundle Cross arrangement forms each cross one another net of node.Spacing between carbon fiber is 10- in longitude and latitude both direction 20mm.Carbon fiber bundle on electrothermal chip ultimately forms two-way fenestral fabric.

Make chip when, it can be fabricated to that width is fixed, infinite in length cuts original chip material, such as 10 ~50cm wide, and length is continuous.When by chip distribution or when be mounted in blade, according to the position of installation and heating The needs of area cut certain length.

What needs to be explained here is that electrothermal chip, based on glass fabric, physical property is similar to glass fibre Cloth has the characteristics that regular shape (bar shaped), soft, easy to process, can carry out according to the processing method of glass fabric Working process is processed into different shape as required.It is above-mentioned be prepared into two-way reticular structure after, according to the electrothermal chip width used With the current density passed through, the length that can repair carbon fiber electric heating ice-melt chip is calculated, so that cutting processing is carried out, needed for formation The rectangle banded structure wanted repairs carbon fiber electric heating ice-melt chip.

Step S2, design can repair distribution area of the carbon fiber electric heating ice-melt chip in aero-generator rotor blade and Position.

Electrothermal chip is not arranged on all positions of blade, and is only easy the position to freeze in blade.This reality Applying the two-way reticular structure in example has the characteristic that can be cut, therefore, big needed for can cutting and connecting out according to the design needs Small repairs carbon fiber electric heating ice-melt chip.

Fig. 5 is the layout signal that carbon fiber electric heating ice-melt chip can be repaired in the utility model second embodiment on blade Figure.As shown in figure 5, electrothermal chip is arranged in the bottom windward side of blade in the present embodiment, the shape of electrothermal chip and area by The length of electrothermal chip, width, current density can be repaired to determine.The present embodiment is directed to 2.5MW blade, and determining can using 3 pieces Electrothermal chip is repaired, the shape of every piece of chip is long 17 meters, wide 1 meter of rectangle, and electrothermal chip is started from leaf tip 51 to leaf Root arrangement, 3 pieces can repair electrothermal chip using independent power supply mode, can one piece of one piece of power supply, can also be powered simultaneously with 3 pieces, The present embodiment uses 3 pieces of chip parallel connection power supply synchronization modes.

Step S3, by it is described repair carbon fiber electric heating ice-melt chip and be fixed on the core materials of three axis glass fabrics is installed On.

Preferably, the core material is blase timber or PVC foam.

As shown in figure 4, carbon fiber electric heating ice-melt chip can be repaired with side a and b, at the both ends A, B, every through to carbon fiber Dimension beam is connected by connecting terminal with plain conductor, by cable being connected in parallel to carbon fiber bundle, passes through conducting It connects bolt 41 and passes through bolt through-hole 42, be connected with blade cavity interior power line (not shown), so that carbon can be repaired by realizing Fiber electric heating ice-melt chip is fixed and the connection with power supply line.

Step S4, according to exterior skin frp layer, two axis glass fibres in aero-generator rotor blade production mold Cloth, the sequence arrangement material that carbon fiber electric heating ice-melt chip, three axis glass fabrics, core material, inside panel frp layer can be repaired, Carry out the vacuum infusion process of blade.

Here during carrying out priming by vacuum, the relevant equipment of first choice installation priming by vacuum, such as release cloth, flow-guiding screen Deng, using vacuumize instillation process adhesive be pumped into leaf production mold in, be fabricated to rotor blade.Preferably, here Adhesive is epoxy resin.

Fig. 6 is that can repair vacuum infusion molding in aero-generator rotor blade in the utility model second embodiment to illustrate Figure.As shown in fig. 6, vacuum perfusion process in the prior art is used in this step, outside cover glass reinforced plastic in blade mold Layer 6, two axis glass fabrics 5, TYXK-N type can repair electrothermal chip 4, three axis glass fabrics 3, core material (bIase timber or PVC foam) 2, inside panel frp layer 1 be arranged in order in a mold, additionally mounted equipment relevant to vacuum perfusion process, Such as release cloth 13, flow-guiding screen 12, connecting tube 10 can repair electrothermal chip, 17 meters of length, width using 3 pieces in the present embodiment 1 meter of rectangle is substituted in the position for being fitted without chip with the glass fabric of condition of equivalent thickness.A variety of materials are installed in mold After good, vacuumize in the bonding agents such as epoxy resin injection mold, be formed by curing the recoverable electricity with electro-heat deicing apparatus Hot ice-melt aero-generator rotor blade.

It can be seen from the above one kind of the present embodiment can repair the preparation side of electro-heat deicing aero-generator rotor blade Method realizes the electro-heat deicing function of aero-generator rotor blade, together by installing carbon fiber ice-melt electrothermal chip in blade When, carbon fiber ice-melt electrothermal chip is prepared by using the mode that carbon fiber bundle longitude and latitude intersects, on the one hand by adjusting carbon fiber The density of beam adjusts the current density by electrothermal chip, and so as to adjust the heating temperature of electrothermal chip, still further aspect is double To the arrangement of fenestral fabric so that forming one in electric property through being connected with each other to carbon fiber by broadwise carbon fiber bundle Body, anti-damage performance is strong, if certain carbon fiber bundle breaks down, such as through disconnecting to somewhere carbon fiber bundle, electric current is disconnected Opening place can be by broadwise carbon fiber bundle around breakpoint, and continuation is circulated in the root carbon fiber bundle, has substantially no effect on ice-melt heating core The electric property of piece does not just influence the heating property of ice-melt electrothermal chip yet.When several to carbon fiber bundle through disconnecting, entirely Electrothermal chip can be connected to carbon fiber by broadwise carbon fiber bundle, can effectively control no power range, and reduction is not sent out The area of heat, guarantees the ice-melt effect of electrothermal chip.The above is preferred embodiments of the present invention, it is noted that For those skilled in the art, it under the premise of not departing from principle described in the utility model, can also do Several improvements and modifications out, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (2)

1. one kind can repair electro-heat deicing aero-generator rotor blade, which is characterized in that the blade includes: inside panel glass Steel layer, three axis glass-fiber-fabrics, can repair carbon fiber electric heating ice-melt chip, two axis fiberglass cloths, exterior skin glass reinforced plastic at core material Layer；Wherein,

The carbon fiber bundle repaired carbon fiber electric heating ice-melt chip and there is longitude and latitude both direction arrangement, Jing Xiangyu broadwise carbon fiber Tieing up between beam is mutual conduction, can repair carbon fiber electric heating ice-melt chip with side a and b, at the both ends A, B, every through to Carbon fiber bundle is connected by connecting terminal with plain conductor, by cable through being connected in parallel to carbon fiber bundle, is passed through Conducting connection bolt passes through bolt through-hole, is connected with blade cavity interior power line, and handle can repair carbon fiber electric heating ice-melt chip It is fixed in blade.

2. electro-heat deicing aero-generator rotor blade can be repaired as described in claim 1, which is characterized in that the longitude and latitude two The carbon fiber bundle of a direction arrangement, further are as follows:

One interlamellar spacing it is fixed through being located on the broadwise carbon fiber bundle of interlamellar spacing fixation to carbon fiber bundle；

Or,

The fixed broadwise carbon fiber bundle of one interlamellar spacing be located at interlamellar spacing fixation through on carbon fiber bundle；

Or,

Through forming each cross one another net of node to carbon fiber bundle and broadwise carbon fiber bundle cross arrangement.