Wind power blade lightning arrester mounting and positioning method

Abstract

The embodiment of the invention provides a wind power blade lightning arrester mounting and positioning method, and relates to the technical field of wind power generation. The method specifically comprises the following steps: determining a corresponding installation point position of a lightning arrester on the surface of a wind power blade mold according to preset installation point position information of the lightning arrester in a wind power blade three-dimensional model; arranging a first positioning device at the corresponding mounting point position; pouring is conducted in the wind power blade mold to obtain a wind power blade; a second positioning device is arranged on the inner surface of the wind power blade, and the second positioning device is arranged at the mapping point position of the first positioning device on the inner surface of the wind power blade; and the installation position of the lightning arrester is determined according to the mapping point position, and the lightning arrester is installed at the installation position. By means of the installing and positioning method, the installing position of the lightning arrester on the wind power blade can be accurately positioned.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power generation, and in particular to a method for installing and positioning a lightning arrester on a wind power blade. Background Art

[0002] In the lightning protection system of wind turbine blades, the lightning rod is a key component. The main function of the lightning rod is to intercept lightning and guide the strong current generated by lightning to the earth, thereby preventing lightning from directly hitting the main body of the wind turbine blade and causing damage.

[0003] At present, it is often difficult to achieve accurate positioning of the lightning rod inside the wind turbine blade during its installation. Summary of the invention

[0004] The purpose of the present invention includes providing a method for installing and positioning a lightning arrester on a wind turbine blade, which can achieve precise positioning.

[0005] The embodiments of the present invention can be implemented as follows:

[0006] In a first aspect, the present invention provides a method for installing and positioning a lightning arrester on a wind turbine blade, the installation method comprising the following steps:

[0007] Determine the corresponding installation points of the lightning arrester on the surface of the wind turbine blade mold;

[0008] A first positioning device is arranged at the corresponding installation point;

[0009] Performing pouring in the wind turbine blade mold to obtain a wind turbine blade;

[0010] A second positioning device is arranged on the inner surface of the wind turbine blade, wherein the second positioning device is arranged at a mapping point of the first positioning device on the inner surface of the wind turbine blade;

[0011] The installation position of the lightning receptor is determined according to the mapping point, and the lightning receptor is installed at the installation position.

[0012] In an optional embodiment, the step of determining the corresponding installation point of the lightning receptor on the surface of the wind turbine blade mold includes:

[0013] The corresponding installation point is determined according to the preset installation point information of the lightning arrester in the three-dimensional model of the wind turbine blade.

[0014] In an optional embodiment, the step of determining the corresponding installation point of the lightning receptor on the surface of the wind turbine blade mold according to the preset installation point information of the lightning receptor in the three-dimensional model of the wind turbine blade includes:

[0015] The API technology is used to scan the surface contour of the wind turbine blade mold according to the preset installation point information to determine the corresponding installation point.

[0016] In an optional implementation manner, the preset installation point position information includes the axial position information and the chord position information of the lightning receptor in the three-dimensional model of the wind turbine blade;

[0017] The step of scanning the surface contour of the wind turbine blade mold using API technology according to the preset installation point information to determine the corresponding installation point comprises:

[0018] According to the axial position information and the chord-wise position information, the API technology is used to scan the surface contour of the wind turbine blade mold to confirm the axial position and the chord-wise position of the lightning arrester on the surface of the wind turbine blade mold, thereby determining the corresponding installation point.

[0019] In an optional embodiment, before the step of setting a first positioning device at the corresponding installation point, the method further includes:

[0020] According to the axial position and the chordal position, checking the corresponding installation point;

[0021] If the axial position and the chord-wise position are consistent with the axial position information and the chord-wise position information, the step of setting a first positioning device at the corresponding installation point is performed.

[0022] In an optional embodiment, before the step of setting a first positioning device at the corresponding installation point, the method further includes:

[0023] According to the axial position and the chordal position, checking the corresponding installation point;

[0024] If the axial position and the chordal position are inconsistent with the axial position information and the chordal position information, return to execute the step of determining the corresponding installation point of the lightning rod on the surface of the wind turbine blade mold based on the preset installation point information of the lightning rod in the three-dimensional model of the wind turbine blade.

[0025] In an optional embodiment, the first positioning device includes a first magnet, and the step of providing the first positioning device at the corresponding installation point includes:

[0026] A hole is drilled at the corresponding installation point on the surface of the wind turbine blade mold and the first magnet is installed in the hole.

[0027] In an optional embodiment, the second positioning device includes a second magnet, and the step of providing the second positioning device on the inner surface of the wind turbine blade includes:

[0028] The second magnet is attached to the inner surface of the wind turbine blade and moved so that the second magnet and the first magnet are automatically adsorbed to determine the mapping point.

[0029] In an optional implementation, the step of determining the installation position of the lightning receptor according to the mapping point position further includes:

[0030] The outline of the lightning receptor is drawn on the inner surface of the wind turbine blade according to the mapping points, so as to determine the installation position.

[0031] In an optional embodiment, the wind turbine blade includes a PS surface and a SS surface that are interlocked, and the wind turbine blade mold includes a PS surface mold and a SS surface mold;

[0032] The step of determining the installation position of the lightning receptor according to the mapping point position also includes:

[0033] The lightning receptor outline is drawn on at least one of the inner surface of the PS plane and the inner surface of the SS plane, thereby determining the installation position.

[0034] In an optional implementation, the step of determining the installation position of the lightning receptor according to the mapping point position further includes:

[0035] The outline of the lightning receptor is drawn on both the inner surface of the PS surface and the inner surface of the SS surface, so as to determine the installation position on both the inner surface of the PS surface and the inner surface of the SS surface;

[0036] Before the step of installing the lightning arrester at the installation location:

[0037] Try to fit the PS surface and the SS surface;

[0038] Determine whether the installation position on the inner surface of the PS surface and the installation position on the inner surface of the SS surface coincide with the lightning receptor;

[0039] If the installation position on the inner surface of the PS surface and the installation position on the inner surface of the SS surface coincide with the lightning receptor, the step of installing the lightning receptor at the installation position is performed.

[0040] In an optional implementation, the step of determining the installation position of the lightning receptor according to the mapping point position further includes:

[0041] The outline of the lightning receptor is drawn on both the inner surface of the PS surface and the inner surface of the SS surface, so as to determine the installation position on both the inner surface of the PS surface and the inner surface of the SS surface;

[0042] Before the step of installing the lightning arrester at the installation location:

[0043] Try to fit the PS surface and the SS surface;

[0044] Determine whether the installation position on the inner surface of the PS surface and the installation position on the inner surface of the SS surface coincide with the lightning receptor;

[0045] If the installation position on the inner surface of the PS surface or the installation position on the inner surface of the SS surface is misaligned with the lightning rod, the step of determining the corresponding installation point of the lightning rod on the surface of the wind turbine blade mold based on the preset installation point information of the lightning rod in the three-dimensional model of the wind turbine blade is returned to execute until the step of determining the installation position of the lightning rod based on the mapped point and installing the lightning rod at the installation position is executed.

[0046] In an optional embodiment, before the step of pouring into the wind turbine blade mold to obtain the wind turbine blade:

[0047] Laying an aluminum mesh on the inner surface of the wind turbine blade mold, wherein a hard point on the aluminum mesh is aligned with the first positioning device;

[0048] The step of pouring the wind turbine blade into the wind turbine blade mold to obtain the wind turbine blade comprises:

[0049] Performing pouring in the wind turbine blade mold so that the aluminum mesh is integrally formed onto the outer surface of the wind turbine blade;

[0050] After the step of installing the lightning receptor at the installation location:

[0051] A hole is punched at a position on the surface of the wind turbine blade directly opposite to the hard point, and the lightning receptor is electrically connected to the aluminum mesh through the hole.

[0052] The beneficial effects of the wind turbine blade lightning arrester installation and positioning method provided by the embodiment of the present invention include:

[0053] Through the design point of the lightning rod in the three-dimensional model of the wind turbine blade, that is, the preset installation point, the corresponding installation point on the wind turbine blade mold is located, and then the mapping point on the wind turbine blade is determined through the corresponding installation point, so that the position of the mapping point on the wind turbine blade and the position of the preset installation point on the wind turbine blade model accurately correspond, and then the installation position of the lightning rod on the wind turbine blade is determined through the mapping point, thereby determining the precise installation position of the lightning rod on the wind turbine blade, and realizing precise installation positioning of the lightning rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0055] Figure 1 A schematic diagram of the flow chart of the wind turbine blade lightning arrester installation and positioning method provided in this embodiment;

[0056] Figure 2 A schematic diagram of a specific process of the wind turbine blade lightning arrester installation and positioning method provided in this embodiment;

[0057] Figure 3 Specific flow charts of some optional embodiments provided by the present invention;

[0058] Figure 4 Specific flow charts of some other optional embodiments provided by the present invention;

[0059] Figure 5 A schematic diagram of the structure of a wind turbine blade provided in this embodiment;

[0060] Figure 6 A schematic diagram of the structure of a wind turbine blade mold provided in this embodiment;

[0061] Figure 7 A schematic diagram of the installation position of the lightning arrester provided in this embodiment.

[0062] Icons: 100 - wind turbine blade; 110 - mapping point; 120 - installation position; 200 - lightning arrester; 300 - wind turbine blade mould; 310 - corresponding installation point; 400 - aluminium mesh; 410 - hard point. DETAILED DESCRIPTION

[0063] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0064] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0065] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0066] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear to indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the invention is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0067] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0068] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0069] The lightning receptor is a part of the lightning protection device of the wind turbine blade, which is mainly used to receive lightning discharge. In the current production process of wind turbine blades, the lightning receptor is generally directly integrally cast into the wind turbine blade. During the casting process of the wind turbine blade, the wind turbine blade will deform, expand and contract due to heat, and the lightning receptor will inevitably shift in the wind turbine blade, making it difficult to accurately install the lightning receptor to the designed position. Based on this, the present invention provides a method for installing and positioning a lightning receptor on a wind turbine blade, which is used to accurately position and install the lightning receptor on the wind turbine blade.

[0070] The following examples are combined with Figure 1 - Figure 7 The detailed steps, implementation principles and technical effects of the wind turbine blade lightning arrester installation and positioning method provided by the present invention are introduced in detail.

[0071] Please refer to Figure 1 and Figure 2 The present invention provides a method for installing and positioning a lightning receptor 200 on a wind turbine blade 100, which is used to accurately locate the installation position 120 of the lightning receptor 200 on the wind turbine blade 100 during the production process of the wind turbine blade 100, so that the lightning receptor 200 is accurately installed at the designed position. This ensures that the wind turbine blade 100 product meets the design requirements, and at the same time enables the lightning receptor 200 to be accurately aligned and connected with the external aluminum mesh 400 of the wind turbine blade 100.

[0072] Please refer to Figure 1 and Figure 2 The present embodiment provides a method for installing and positioning a lightning arrester for a wind turbine blade, comprising the following steps:

[0073] Step S100 , determining the corresponding installation point 310 of the lightning receptor 200 on the surface of the wind turbine blade mold 300 according to the preset installation point information of the lightning receptor 200 in the three-dimensional model of the wind turbine blade 100 .

[0074] Combination Figure 5 - Figure 7 According to the designed three-dimensional model information of the wind turbine blade 100 and the preset installation point information of the lightning receptor 200 in the three-dimensional model of the wind turbine blade 100, the corresponding installation point 310 of the lightning receptor 200 on the surface of the wind turbine blade mold 300 is determined.

[0075] In some optional embodiments of the present invention, in order to facilitate the determination of the installation position 120 of the lightning receptor 200 on the wind turbine blade mold 300, step S100 further includes step S110: scanning the surface contour of the wind turbine blade mold 300 using API technology according to the preset installation point information to determine the corresponding installation point 310.

[0076] During the design and production process of the wind turbine blade 100, the preset installation point of the lightning receptor 200 can be determined through the preliminary mechanical design, finite element analysis, etc. Therefore, in the three-dimensional model of the wind turbine blade 100, the preset installation point information of the lightning receptor 200 can be determined. Since the surface contour of the wind turbine blade 100 is adapted to the inner surface of the wind turbine blade mold 300, the corresponding installation point 310 of the lightning receptor 200 on the surface of the wind turbine blade mold 300 can be determined based on the preset installation point information of the lightning receptor 200 in the three-dimensional model of the wind turbine blade 100.

[0077] It should be clear that in the present invention, API technology refers to API three-dimensional scanning technology, which is a non-contact measurement technology mainly used to obtain three-dimensional spatial information of an object. In the present invention, API technology is used to obtain the three-dimensional spatial information of the surface of the wind turbine blade mold 300, and compare the three-dimensional model of the wind turbine blade 100, and determine the corresponding installation point 310 of the lightning receptor 200 on the surface of the wind turbine blade mold 300 according to the preset installation point information of the lightning receptor 200 in the three-dimensional model of the wind turbine blade 100.

[0078] Combination Figure 5 - Figure 7 Furthermore, the preset installation point information of the lightning rod 200 inside the wind turbine blade 100 includes the axial position information and the chordal position information of the preset installation point of the lightning rod 200 on the wind turbine blade 100, so that the specific spatial position of the preset installation point of the lightning rod 200 inside the wind turbine blade 100 can be located.

[0079] In some optional embodiments of the present invention, step S110 includes step S111: based on the axial position information and the chordal position information, API technology is used to scan the surface contour of the wind turbine blade mold 300 to confirm the axial position and chordal position of the lightning arrester 200 on the surface of the wind turbine blade mold 300, thereby determining the corresponding installation point 310.

[0080] In some optional embodiments of the present invention, in order to facilitate subsequent processing on the surface of the wind turbine blade mold 300, after the corresponding installation point 310 of the lightning arrester 200 is determined on the surface of the wind turbine blade mold 300, the corresponding installation point 310 on the surface of the wind turbine blade mold 300 is marked by a marker pen, positioning sticker, etc.

[0081] Step S110 also includes step S112: checking the corresponding installation point 310 according to the axial position and the chordal position.

[0082] The position information of the corresponding installation point 310 on the wind turbine blade mold 300 is measured by measuring tools such as a tape measure, and the preset installation point information of the lightning arrester 200 in the three-dimensional model of the wind turbine blade 100 is compared to check the corresponding installation point 310 marked on the wind turbine blade mold 300. If the axial position and chord position of the corresponding installation point 310 on the wind turbine blade mold 300 are consistent with the axial position information and chord position information of the preset installation point in the three-dimensional model of the wind turbine blade 100, subsequent processing is performed; if the axial position and chord position of the corresponding installation point 310 on the wind turbine blade mold 300 are inconsistent with the axial position information and chord position information of the preset installation point in the three-dimensional model of the wind turbine blade 100, step S100 is re-executed to re-position the corresponding installation point 310.

[0083] Step S200: Install a first positioning device at the corresponding installation point 310. Figure 6 According to the corresponding installation point 310 located and marked on the wind turbine blade mold 300 in step 110 , a first positioning device is installed at the corresponding installation point 310 .

[0084] In some optional embodiments of the present application, the first positioning device includes a first magnet, and step S200 also includes step S210: drilling a hole at the corresponding installation point 310 on the inner surface of the wind turbine blade mold 300, and embedding the first magnet on the surface of the wind turbine blade mold 300 through the drilled hole.

[0085] Step S300, pouring into the wind turbine blade mold 300 to obtain the wind turbine blade 100. In the wind turbine blade mold 300 where the corresponding installation point 310 has been located and marked and the first positioning device has been installed at the corresponding installation point 310, pouring into the wind turbine blade mold 300, after the wind turbine blade 100 is solidified in the wind turbine blade mold 300, the wind turbine blade 100 product is obtained.

[0086] Step S400, a second positioning device is arranged on the inner surface of the wind turbine blade 100, wherein the second positioning device is arranged at a mapping point 110 of the first positioning device on the inner surface of the wind turbine blade 100. The mapping point 110 is a projection of the first positioning device on the inner surface of the wind turbine blade 100 along a direction perpendicular to the wind turbine blade mold 300.

[0087] Combination Figure 6 and Figure 7 In order to determine the mapping point position 110 of the first positioning device on the wind turbine blade 100, in some optional embodiments of the present invention, the second positioning device is configured as a second magnet.

[0088] Step S400 includes step S410: attaching the second magnet to the inner surface of the wind turbine blade 100 and moving it so that the second magnet and the first magnet are automatically adsorbed, thereby determining the mapping point 110. When attaching the second magnet to the inner surface of the wind turbine blade 100 and determining the mapping point 110 of the first positioning device on the wind turbine blade 100, attach the second magnet to a position roughly opposite to the first magnet and gradually move the second magnet. Since there is an adsorption force between the first magnet and the second magnet, the second magnet will automatically adsorb to the position with the maximum adsorption force, which is the position where the second magnet is closest to the first magnet, that is, the mapping point 110 of the first positioning device on the wind turbine blade 100. At this time, the position of the second magnet is the mapping point 110 of the first positioning device on the wind turbine blade 100. At this time, the outline of the second magnet is marked on the inner surface of the wind turbine blade 100, thereby determining the mapping point 110 of the first positioning device on the inner surface of the wind turbine blade 100. In some other optional embodiments, the second positioning device may also be configured as a magnetic conductive metal block that can move on the inner surface of the wind turbine blade 100 after being attracted by the first magnet.

[0089] Step S500 : determining the installation position 120 of the lightning receptor 200 according to the mapping point 110 .

[0090] Step S600 : Install the lightning arrester 200 at the installation position 120 .

[0091] Combination Figure 7, in order to facilitate the determination of the installation position 120 of the lightning receptor 200 according to the mapping point 110 on the inner surface of the wind turbine blade 100. In some optional embodiments, step S500 also includes step S510: drawing the outline of the lightning receptor 200 on the inner surface of the wind turbine blade 100 according to the mapping point 110, so as to determine the installation position 120. In this embodiment, a contour card plate adapted to the outline of the lightning receptor 200 is provided on the inner surface of the wind turbine blade 100. When determining the installation position 120, the contour card plate is aligned with the mapping point 110 on the inner surface of the wind turbine blade 100, and the outline of the lightning receptor 200 is drawn on the inner surface of the wind turbine blade 100 through the shape of the contour card plate. The drawn outline of the lightning receptor 200 is the installation position 120 of the lightning receptor 200 on the inner surface of the wind turbine blade 100.

[0092] In some optional embodiments, in step S600 , when the lightning receptor 200 is installed at the installation position 120 on the inner surface of the wind turbine blade 100 , the lightning receptor 200 is bonded to the inner surface of the wind turbine blade 100 by an adhesive material.

[0093] Combination Figure 4 - Figure 6 At present, the surface of a large wind turbine blade 100 is generally integrally infused with an aluminum mesh 400. The aluminum mesh 400 can replace the wire inside the traditional wind turbine blade 100 to conduct lightning current, and can also improve the structural strength of the wind turbine blade 100 to a certain extent. In order to facilitate the connection between the lightning receptor 200 inside the wind turbine blade 100 and the aluminum mesh 400, a fixed position (scientific name hard point 410) for screws to pass through is reserved on the aluminum mesh 400.

[0094] Based on this, in order to facilitate the arrangement of the aluminum mesh 400 on the surface of the wind turbine blade 100, in some optional embodiments, before step S300: the aluminum mesh 400 is laid on the inner surface of the wind turbine blade mold 300, wherein the hard point 410 on the aluminum mesh 400 is aligned with the first positioning device. The aluminum mesh 400 is laid on the inner surface of the wind turbine blade mold 300, so that the aluminum mesh 400 and the wind turbine blade 100 are integrally formed and located at the outermost side of the wind turbine blade 100. It should be clear that in the process of laying the aluminum mesh 400 on the surface of the wind turbine blade mold 300, the hard point 410 on the aluminum mesh 400 needs to be aligned with the first positioning device.

[0095] In this embodiment, step S300 includes step S310: pouring in the wind turbine blade mold 300 so that the aluminum mesh 400 is integrally formed on the outer surface of the wind turbine blade 100, thereby obtaining a wind turbine blade 100 with the aluminum mesh 400. Since the aluminum mesh 400 is laid on the inner surface of the wind turbine blade mold 300, after the step of pouring in the wind turbine blade mold 300 to obtain the wind turbine blade 100, the wind turbine blade 100 with the aluminum mesh 400 on the surface is obtained.

[0096] After step S600: a hole is punched at the surface of the wind turbine blade 100 directly opposite to the hard point 410, and the lightning receptor 200 is electrically connected to the aluminum mesh 400 through the hole. After the lightning receptor 200 is installed at the installation position 120, the installation position 120 of the lightning receptor 200 is aligned with the hard point 410 of the aluminum mesh 400. At this time, a hole is punched at the wind turbine blade 100 directly opposite to the hard point 410, and a screw is inserted into the punched hole, so that one end of the screw is connected to the connection position of the lightning receptor 200 and the other end of the screw is connected to the aluminum mesh 400, thereby electrically connecting the lightning receptor 200 to the aluminum mesh 400.

[0097] Furthermore, in order to reduce the weight of the wind turbine blade 100 and improve the material utilization rate, the wind turbine blade 100 is usually hollow. Based on this, in order to facilitate the production of the hollow wind turbine blade 100 by pouring, and to facilitate the installation of the lightning receptor 200 inside the wind turbine blade 100.

[0098] Combination Figure 2 and Figure 3 In some other optional embodiments of the present invention, the wind turbine blade 100 includes a PS surface and a SS surface that are interlocked with each other. The PS surface is a pressure surface, which is the side of the wind turbine blade 100 that bears positive pressure; the SS surface is a suction surface, which is the side of the wind turbine blade 100 that bears negative pressure. Correspondingly, the wind turbine blade mold 300 also includes a PS surface mold and a SS surface mold. The PS surface is cast in the PS surface mold, and the SS surface is cast in the SS surface mold. When the wind turbine blade 100 is produced, the solidified PS surface and the SS surface are buckled and fixed to form a complete wind turbine blade 100.

[0099] When the wind turbine blade 100 includes a PS surface and a SS surface that are interlocked with each other, correspondingly, in step S510: the outline of the lightning receptor 200 is drawn on at least one of the inner surface of the PS surface and the inner surface of the SS surface, so as to determine the installation position 120. Thus, the installation position 120 is determined on both the inner surface of the PS surface and the inner surface of the SS surface.

[0100] In this embodiment, since the wind turbine blade 100 includes a PS surface and a SS surface that are interlocked, step S500 also includes S520: drawing the outline of the lightning receptor 200 on both the inner surface of the PS surface and the inner surface of the SS surface, thereby determining the installation position 120 on both the inner surface of the PS surface and the inner surface of the SS surface. In this embodiment, the outline of the lightning receptor 200 is drawn on the PS surface using a lightning receptor 200 outline card, and the outline of the lightning receptor 200 is drawn on the SS surface using a lightning receptor 200 outline card. The outline of the lightning receptor 200 on the PS surface is the installation position 120 of the lightning receptor 200 on the PS surface, and the outline of the lightning receptor 200 on the SS surface is the installation position 120 of the lightning receptor 200 on the SS surface.

[0101] Step S500 further includes S530: trial fitting the PS surface and the SS surface. Before the PS surface and the SS surface are molded and fixed, the PS surface and the SS surface are trial fitted to check whether the PS surface and the SS surface are compatible and whether the installation position 120 on the PS surface is accurately aligned with the installation position 120 on the SS surface.

[0102] Step S500 further includes S540: determining whether the installation position 120 on the inner surface of the PS plane and the installation position 120 on the inner surface of the SS plane coincide with the lightning receptor 200 .

[0103] If the installation position 120 on the inner surface of the PS surface and the installation position 120 on the inner surface of the SS surface coincide with the lightning receptor 200, the step of installing the lightning receptor 200 at the installation position 120 is performed;

[0104] If the installation position 120 on the inner surface of the PS plane or the installation position 120 on the inner surface of the SS plane is misaligned with the lightning receptor 200, the process returns to step S100 to step S500.

[0105] Furthermore, the outline of the lightning receptor 200 is drawn on the inner surface of the PS surface and the inner surface of the SS surface, so that the installation position 120 is determined on the inner surface of the PS surface and the inner surface of the SS surface. During the trial fitting, it is compared whether the lightning receptor 200 is in contact with the installation position 120 on the PS surface and the installation position 120 on the SS surface, and then the actual installation position 120 of the lightning receptor 200 on the PS surface and the SS surface is checked. Thus, the accuracy of the installation positioning of the lightning receptor 200 is improved.

[0106] Further, in order to improve the lightning protection effect of the wind turbine blade 100, in some optional embodiments, a plurality of lightning receptors 200 are provided on the wind turbine blade 100, and the plurality of lightning receptors 200 are installed on the wind turbine blade 100 by using the lightning receptor 200 installation and positioning method as shown above. In other optional embodiments, a lightning receptor 200 is also provided at the position where the aluminum mesh 400 is not laid at the end of the wind turbine blade 100, and at this time, the lightning receptor 200 located outside the coverage area of ​​the aluminum mesh 400 is connected to the lightning receptor 200 located in the coverage area of ​​the aluminum mesh 400 through a wire, thereby connecting the lightning receptor 200 at the end of the wind turbine blade 100 to the aluminum mesh 400.

[0107] The implementation principle of a method for installing and positioning a lightning rod for a wind turbine blade of the present invention is as follows: through the preset installation point of the lightning rod 200 in the three-dimensional model of the wind turbine blade 100, the corresponding installation point 310 on the wind turbine blade mold 300 is positioned, and then the mapping point 110 on the wind turbine blade 100 is determined through the corresponding installation point 310, so that the position of the mapping point 110 on the wind turbine blade 100 accurately corresponds to the position of the preset installation point on the wind turbine blade model 300, and then the installation position 120 of the lightning rod 200 on the wind turbine blade 100 is determined through the mapping point 110, thereby determining the precise installation position 120 of the lightning rod 200 on the wind turbine blade 100, and realizing the precise installation and positioning of the lightning rod 200.

[0108] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A method for installing and positioning a lightning arrester on a wind turbine blade, characterized in that: The installation and positioning method comprises the following steps: Determine the corresponding installation points of the lightning arrester on the surface of the wind turbine blade mold; A first positioning device is arranged at the corresponding installation point; Performing pouring in the wind turbine blade mold to obtain a wind turbine blade; A second positioning device is arranged on the inner surface of the wind turbine blade, wherein the second positioning device is arranged at a mapping point of the first positioning device on the inner surface of the wind turbine blade; The installation position of the lightning receptor is determined according to the mapping point, and the lightning receptor is installed at the installation position.

2. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 1, characterized in that: The step of determining the corresponding installation point of the lightning receptor on the surface of the wind turbine blade mold comprises: The corresponding installation point is determined according to the preset installation point information of the lightning arrester in the three-dimensional model of the wind turbine blade.

3. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 2, characterized in that: The step of determining the corresponding installation point of the lightning receptor on the surface of the wind turbine blade mold according to the preset installation point information of the lightning receptor in the three-dimensional model of the wind turbine blade comprises: The API technology is used to scan the surface contour of the wind turbine blade mold according to the preset installation point information to determine the corresponding installation point.

4. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 3, characterized in that: The preset installation point information includes the axial position information and the chord position information of the lightning receptor in the three-dimensional model of the wind turbine blade; The step of scanning the surface contour of the wind turbine blade mold using API technology according to the preset installation point information to determine the corresponding installation point comprises: According to the axial position information and the chord-wise position information, API technology is used to scan the surface contour of the wind turbine blade mold to confirm the axial position and chord-wise position of the lightning receptor on the surface of the wind turbine blade mold, thereby determining the corresponding installation point.

5. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 4, characterized in that: Before the step of setting the first positioning device at the corresponding installation point, the method further includes: According to the axial position and the chordal position, checking the corresponding installation point; If the axial position and the chord-wise position are consistent with the axial position information and the chord-wise position information, the step of setting a first positioning device at the corresponding installation point is performed.

6. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 4, characterized in that: Before the step of setting the first positioning device at the corresponding installation point, the method further includes: According to the axial position and the chordal position, checking the corresponding installation point; If the axial position and the chordal position are inconsistent with the axial position information and the chordal position information, return to execute the step of determining the corresponding installation point of the lightning rod on the surface of the wind turbine blade mold based on the preset installation point information of the lightning rod in the three-dimensional model of the wind turbine blade.

7. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 1, characterized in that: The first positioning device includes a first magnet, and the step of arranging the first positioning device at the corresponding installation point includes: A hole is drilled at the corresponding installation point on the surface of the wind turbine blade mold and the first magnet is installed in the hole.

8. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 7, characterized in that: The second positioning device includes a second magnet, and the step of arranging the second positioning device on the inner surface of the wind turbine blade includes: The second magnet is attached to the inner surface of the wind turbine blade and moved so that the second magnet and the first magnet are automatically adsorbed to determine the mapping point.

9. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 1, characterized in that: The step of determining the installation position of the lightning receptor according to the mapping point position further comprises: The outline of the lightning receptor is drawn on the inner surface of the wind turbine blade according to the mapping points, so as to determine the installation position.

10. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 9, characterized in that: The wind turbine blade comprises a PS surface and a SS surface that are interlocked, and the wind turbine blade mold comprises a PS surface mold and a SS surface mold; The step of determining the installation position of the lightning receptor according to the mapping point position also includes: The outline of the lightning receptor is drawn on at least one of the inner surface of the PS plane and the inner surface of the SS plane, so as to determine the installation position.

11. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 10, characterized in that: The step of determining the installation position of the lightning receptor according to the mapping point position also includes: The outline of the lightning receptor is drawn on both the inner surface of the PS surface and the inner surface of the SS surface, so as to determine the installation position on both the inner surface of the PS surface and the inner surface of the SS surface; Before the step of installing the lightning arrester at the installation location, Try to fit the PS surface and the SS surface; Determine whether the installation position on the inner surface of the PS surface and the installation position on the inner surface of the SS surface coincide with the lightning receptor; If the installation position on the inner surface of the PS surface and the installation position on the inner surface of the SS surface coincide with the lightning receptor, the step of installing the lightning receptor at the installation position is performed.

12. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 10, characterized in that: The step of determining the installation position of the lightning receptor according to the mapping point position also includes: The outline of the lightning receptor is drawn on both the inner surface of the PS surface and the inner surface of the SS surface, so as to determine the installation position on both the inner surface of the PS surface and the inner surface of the SS surface; Before the step of installing the lightning arrester at the installation location, Try to fit the PS surface and the SS surface; Determine whether the installation position on the inner surface of the PS surface and the installation position on the inner surface of the SS surface coincide with the lightning receptor; If the installation position on the inner surface of the PS surface or the installation position on the inner surface of the SS surface is misaligned with the lightning rod, the step of determining the corresponding installation point of the lightning rod on the surface of the wind turbine blade mold based on the preset installation point information of the lightning rod in the three-dimensional model of the wind turbine blade is returned to execute until the step of determining the installation position of the lightning rod based on the mapped point and installing the lightning rod at the installation position is executed.

13. The method for installing and positioning a lightning arrester for a wind turbine blade according to claim 1, characterized in that: Before the step of pouring the wind turbine blade into the wind turbine blade mold to obtain the wind turbine blade, Laying an aluminum mesh on the inner surface of the wind turbine blade mold, wherein a hard point on the aluminum mesh is aligned with the first positioning device; The step of pouring the wind turbine blade into the wind turbine blade mold to obtain the wind turbine blade comprises: Performing pouring in the wind turbine blade mold so that the aluminum mesh is integrally formed onto the outer surface of the wind turbine blade; After the step of installing the lightning receptor at the installation location: A hole is punched at a position on the surface of the wind turbine blade directly opposite to the hard point, and the lightning receptor is electrically connected to the aluminum mesh through the hole.

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