Blade electrothermal composite film, blade, wind turbine and method for manufacturing blade
A technology of wind turbines and composite membranes, which is applied to wind turbines, wind turbines consistent with the wind direction, and wind power generation. The effect of performance degradation, shortening the production or on-site transformation cycle, and optimizing the wiring method
Active Publication Date: 2022-07-08
BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
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Problems solved by technology
However, in this method, there are not only many problems mentioned in the first method, but more importantly, it will interfere with the aerodynamic shape of the blade and directly affect the power curve (power generation) of the unit, especially along the This problem is especially obvious in the case of the leading edge wiring of the blade
Method used
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[0034] Embodiments of the invention will now be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. In the drawings, the same reference numbers refer to the same components throughout. The figures may not be drawn to scale and the relative size, proportions and depiction of elements in the figures may be exaggerated for clarity, illustration, and convenience. In addition, in order to clearly illustrate the relationship between the components, the internal structure, etc., in the partial diagrams, the illustration of some members (for example, Figure 4 blade body structure, etc. in the figure 1 cover layer 140, backing layer 14, and surface felt 15, etc.) shown as transparent.
[0035] The following will refer to Figure 1 to Figure 4 An electrothermal composite film for blades according to embodiments of the present invention and a blade to which the electrothermal composite film for blades is applied...
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The invention provides a blade electrothermal composite film, a blade, a wind turbine and a method for manufacturing the blade. The blade electrothermal composite film includes an insulating layer, an electrothermal layer and a cover layer, and the electrothermal layer includes an electrothermal unit, an electrothermal wire, a temperature sensor and a sensor signal wire , the electric heating unit is connected to the electric heating wire to energize the electric heating unit through the electric heating wire, the temperature sensor is arranged on the electric heating unit, and the sensing signal is output through the sensor signal line, and the cover layer is arranged on the upper side of the electric heating layer to form the blade electric heating composite film The outer surface of the insulating layer is arranged on the lower side of the electric heating layer, wherein the insulating layer, the electric heating layer and the covering layer form an integral structure. The blade electrothermal composite film, the blade, the wind turbine and the method for manufacturing the blade according to the present invention can optimize the wiring mode of the electrothermal wire and the sensor signal wire in the blade.
Description
technical field [0001] The invention relates to a blade electrothermal composite film, a blade, a wind turbine and a method for manufacturing the blade of the wind turbine. Background technique [0002] In a wind turbine, the blade is the core component for capturing wind energy, and the aerodynamic characteristics of the blade have a crucial impact on the power generation efficiency of the entire wind turbine. [0003] Generally speaking, wind resources are mainly distributed in the icy and snowy north and the south, which is very humid, and the application environment of wind turbines is relatively harsh. Because wind turbines need to operate under low temperature conditions below zero degrees Celsius, the blades of wind turbines often encounter humid air, rain, salt fog, ice and snow, especially when they encounter supercooled water droplets. icing phenomenon. [0004] After the wind turbine blades are covered with ice, it will cause serious harm to the normal operation...
Claims
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IPC IPC(8): F03D80/40F03D80/60F03D80/30H05B3/84F03D1/06B29C70/44
CPCF03D80/40F03D80/60F03D80/30H05B3/84F03D1/0675B29C70/443Y02P70/50
Inventor肖智龙杨建军闻笔荣
OwnerBEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD