Ice-melting heating structure of wind driven generator blade and manufacturing method thereof
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology for wind turbines and heating structures, which is applied to wind turbines, wind energy power generation, and wind turbines in the same direction as the wind, can solve the problems of difficulty in laying hot air pipelines, large heat waste, etc. The effect of prolonging the service life and saving energy
Active Publication Date: 2016-06-15
东方电气风电股份有限公司
View PDF5 Cites 29 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
The disadvantage is that the waste of heat is large,
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Example Embodiment
[0044] Example one overall infusion process
[0045] Including the following steps:
[0046] (1) Before pouring the front and back side shells of the blades, first place low-density bidirectional glass fiber cloth, metal wire mesh 5, high-density bidirectional fiber cloth 4, and carbon crystal heating film 3 in the mold in sequence , Corresponding to the icing area, arrange the temperature sensor 2 on the carbon crystal heating film 3, and solder the lightning current lead 13 of the metal wire mesh 5, the power line 9 of the carbon crystal heating film 3, and the signal line 8 of the temperature sensor 2 After welding, the power line 9 of the carbon crystal electric heating film is welded to the electrode 11 of the carbon crystal electric heating film, and the lightning current lead 13 is directly welded to the copper foil shroud 6 of the metal wire mesh 5; then the blade shell fiber cloth and Core;
[0047] (2). Vacuum and infuse resin together to form, combine metal wire mesh and...
Example Embodiment
[0051] Example 2 Artificial hand lay-up process
[0052] Including the following steps:
[0053] (1). Use molds to infuse the front face shell, back flow face shell, and anti-shear web of the blade, then assemble and bond, close the mold and keep the pressure, until the adhesive is completely cured, the mold is released, and the blade is formed ;
[0054] (2) Drill the perforation of the carbon crystal electric heating film power line 9, the perforation of the temperature sensor signal line 8, and the perforation of the bolt 7 of the lightning protection device on the housing 1;
[0055] (3) The temperature sensor 2 is installed on the ice-coated area of the leading edge of the blade shell 1, and the signal wire 8 is brazed and connected;
[0056] (4) Coating adhesive on the surface of the ice-coated area of the front edge of the blade shell 1, and then cover the carbon crystal electric heating film 3 with an area equivalent to the surface of the ice-coated area, and brazed to the ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
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 [0001] The invention relates to a blade of a wind power generator, in particular to an ice-melting heating structure of the blade and a manufacturing method thereof. Background technique [0002] When wind turbines operate in cold climates, the surface of the blades of the wind turbines usually has serious ice coating in winter, and the aerodynamic shape of the blades changes significantly after icing, which will seriously affect the aerodynamic efficiency of the blades and reduce the power generation efficiency of the wind turbine. After icing, the load of the unit and the blades will also increase. When the loads and mass moments of the three blades differ to a certain extent, the vibration of the unit will be caused, which will affect the safe and stable operation of the unit. Usually, for the safe operation of the unit, the unit will stop running when the blades are seriously iced, so the icing of wind turbine blades will cause serious loss of power gener...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more