CN218913067U - Engine room cover of wind driven generator and wind driven generator - Google Patents

Abstract

The utility model provides a wind driven generator cabin cover and a wind driven generator, comprising: a surface plate configured to be assembled into an outer contour of a nacelle cover of a wind turbine; and the bearing plate is arranged in an overlapping way with the surface plate, so that a die manufacturing means is fundamentally abandoned, the surface plate capable of being produced in a flow line in batches is directly adopted to assemble the outer contour of the nacelle cover of the wind driven generator, the bearing plate and the surface plate are arranged in an overlapping way to provide bearing capacity, and the bearing plate and the surface plate form a frame of the nacelle cover of the wind driven generator, thereby realizing the assembly of the nacelle cover and being capable of well matching with the requirements of different models.

Description

Engine room cover of wind driven generator and wind driven generator

Technical Field

The utility model relates to the technical field of wind driven generators, in particular to a wind driven generator cabin cover and a wind driven generator.

Background

Wind energy is highly valued by the government of China in recent years as clean energy. In recent years, the wind power generation industry in China is rapidly developed, and the annual installation capacity is gradually improved.

Wind power generation is to convert wind energy into electric energy by using a wind turbine generator and transmit the electric energy through a power grid. The wind turbine generator is mainly composed of three parts: wind wheels (including wind blades), generators and towers, wherein the generators are the main key components for generating electric energy; because the wind turbine generator is generally installed in a remote area, the working environment is very severe, faults occur and the maintenance is difficult, a protection device, namely a cabin cover, is required to be installed for the wind turbine generator so as to protect the wind turbine generator (comprising a transmission mechanism) from long-term and normal operation. The existing cabin cover manufacturing has the problems of complex process, high cost and low intelligent manufacturing degree;

the manufacturing method of the cabin cover in the existing market comprises the following steps: according to the specific fan model and the cabin cover shape, the mould is prepared by adopting glass fiber reinforced plastics as a material, workers paste the material on the inner wall of the mould to form the frame shape of the cabin cover, and then vacuumize the mould to solidify the material to form the final cabin cover.

Disclosure of Invention

The utility model aims to provide a wind driven generator cabin cover and a wind driven generator, which are used for solving the problems of complex process, high cost and low intelligent manufacturing degree in the conventional manufacturing of the cabin cover.

In order to solve the technical problems, the utility model provides a nacelle cover of a wind driven generator, comprising:

a surface plate configured to be assembled into an outer contour of a nacelle cover of a wind turbine; and

and a support plate configured to be arranged to overlap the surface plate.

Optionally, in the nacelle cover of the wind turbine, the cross-sectional shape of the support plate includes one or more of a wave shape, a sawtooth shape, and a corrugated shape.

Optionally, in the nacelle cover of the wind turbine, the surface plate includes at least a first surface plate;

wherein the first surface plate is in contact with a first face of the support plate.

Optionally, in the nacelle cover of the wind turbine, the surface plate further includes a second surface plate;

wherein the second surface plate is in contact with the second face of the support plate.

Optionally, in the nacelle cover of a wind turbine, the method further includes:

and extruding the glass fiber reinforced plastic profile to be contacted with the second surface of the supporting plate.

Optionally, in the nacelle cover of the wind driven generator, the extruded glass fiber reinforced plastic section is a long section with an i-shaped or channel steel section, and the extending direction of the long section is parallel to the fluctuation trend of the surface of the supporting plate.

Optionally, in the nacelle cover of the wind driven generator, structural adhesive is adopted between the surface plate, the supporting plate and/or the extruded glass fiber reinforced plastic section bar.

Optionally, in the nacelle cover of a wind turbine, the method further includes:

a vacuum-pumped glass fiber reinforced plastic panel configured to form a partially irregular structural member; and

the extruded glass fiber reinforced plastic arc panel or the extruded glass fiber reinforced plastic arc profile is configured to be connected with the surface panel.

Optionally, in the nacelle cover of the wind turbine,

the material of the surface plate comprises extruded glass fiber reinforced plastic or metal;

the material of the support plate comprises extruded glass fiber reinforced plastic or metal support plate.

The utility model also comprises a wind driven generator, comprising the wind driven generator cabin cover.

The manufacturing method of the cabin cover in the existing market comprises the following steps: according to the specific fan model and the cabin cover shape, the mould is prepared by adopting glass fiber reinforced plastics as a material, workers paste the material on the inner wall of the mould to form the frame shape of the cabin cover, and then vacuumize the mould to solidify the material to form the final cabin cover.

Based on the insight, the utility model provides the wind driven generator cabin cover and the wind driven generator, the mould manufacturing means is abandoned fundamentally, the surface plates which can be produced in batches in a production line are directly adopted to assemble the outer contour of the wind driven generator cabin cover, the bearing plates and the surface plates are overlapped to provide bearing capacity, and the bearing plates and the surface plates form the frame of the wind driven generator cabin cover, so that the assembly of the cabin cover is realized, and the requirements of different models can be well matched.

Furthermore, the utility model can realize the maximum bearing load by overlapping the extruded glass fiber reinforced plastic planar plate and the extruded glass fiber reinforced plastic supporting plate, the extruded glass fiber reinforced plastic planar plate can realize the same bearing capacity without adopting the thickness of 5mm or even 20mm like the prior art, and the defect that the rigidity of the cabin cover body can only be increased by the thickness of the glass fiber reinforced plastic body or the internal filling and lifting are overcome.

In conclusion, the method gets rid of the constraint of the traditional process structure, expands the selection of the manufacturing scheme of the cabin cover and improves the competitiveness of the industry; the cabin cover adopts a new process structure, so that huge mould cost investment in model machine development is eliminated; the selection of the process for extruding the glass fiber reinforced plastic in the cabin cover reduces the labor hour, improves the delivery capacity of the cabin cover and greatly reduces the cost of the cabin cover; the thin extrusion glass fiber reinforced plastic plane plate and the thin extrusion glass fiber reinforced plastic supporting plate adopt an adhesion process, so that the rigidity and the strength of the cabin cover plate are improved while the cost is reduced.

Drawings

FIGS. 1 (a) - (b) are schematic views of the overall structure of a nacelle cover of a wind turbine according to the utility model;

FIG. 2 is a schematic diagram of a two-sided extruded glass fiber reinforced plastic planar sheet structure of the present utility model;

FIG. 3 is a schematic view of the structure of a single-use extruded glass fiber reinforced plastic planar plate according to the present utility model;

FIG. 4 is a schematic diagram of a single-sided extruded glass fiber reinforced plastic planar sheet structure of the present utility model;

FIG. 5 is a schematic view of a third embodiment of the present utility model using extruded glass fiber reinforced plastic profiles;

the figure shows: 1-top; 2-side; 3-local irregularities; 4-bottom; 5-four corners; 6-splicing part; 11-a surface plate; 12-a support plate; 13-a first surface plate; 14-a second surface plate; 15-extruding the glass fiber reinforced plastic section bar.

Detailed Description

The nacelle cover of the wind driven generator and the wind driven generator provided by the utility model are further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

In addition, features of different embodiments of the utility model may be combined with each other, unless otherwise specified. For example, a feature of the second embodiment may be substituted for a corresponding feature of the first embodiment, or may have the same or similar function, and the resulting embodiment would fall within the disclosure or scope of the disclosure.

The utility model aims to provide a wind driven generator cabin cover and a wind driven generator, which are used for solving the problems of complex process, high cost and low intelligent manufacturing degree in the conventional manufacturing of the cabin cover.

To achieve the above object, the present utility model provides a nacelle cover of a wind turbine, comprising: a plurality of flat panels configured to be assembled into a frame that is rectangular and forms a nacelle cover of a wind turbine; and a plurality of circular arc plates configured to be connectable between the respective plane plates; wherein the planar plate comprises a surface plate which can be assembled to the outer contour of the nacelle cover of the wind turbine, and a support plate arranged overlapping the surface plate. The utility model adopts brand new technology and materials (taking aluminum and stainless steel composite board as an example) without mould investment, and can directly splice with the existing cost. The huge mould cost generation of each different cabin cover is eliminated.

Fig. 1 (a) - (b) provide a first embodiment of the present utility model, which shows the overall structure of the nacelle cover of the wind turbine of the present utility model, comprising: top 1, side 2, local irregularities 3, bottom 4, four corners 5, splice 6. The top and bottom panels of the cabin cover adopt extrusion glass fiber reinforced plastic plane plates (simply comprising surface plates) or extrusion glass fiber reinforced plastic bonding assembly panels (comprising surface plates and supporting plates) or extrusion glass fiber reinforced plastic balance antiskid plates and the like; the side panel of the cabin cover adopts an extruded glass fiber reinforced plastic plane plate or an extruded glass fiber reinforced plastic bonding assembly panel; according to modeling requirements, the areas (namely four corners 5 and spliced parts 6) where the top and the bottom of the cabin cover are connected with the side plates adopt glass fiber reinforced plastic extruded arc panels, extruded glass fiber reinforced plastic arc profiles or glass fiber reinforced plastic extruded channel steel profiles to connect the top panels, the bottom panels and the side panels together. The local irregular structure adopts a manual pasting vacuumizing process commonly used for cabin covers, and the characteristic or modeling requirement is met through a die; the top 1, the side 2 and the bottom 4 of the nacelle cover of the wind driven generator are all manufactured by conventional shapes, materials and processes, so that the complexity of the process can be greatly reduced.

The wind driven generator cabin cover provided by the embodiment fundamentally abandons the die manufacturing means, and is directly assembled into a rectangular body by adopting an extruded glass fiber reinforced plastic plane plate capable of being produced in batches in a production line to form a wind driven generator cabin cover frame; and a plurality of the extrusion glass fiber reinforced plastic arc plates or extrusion glass fiber reinforced plastic sectional materials are connected among the plane plates, so that the assembly of the cabin cover is realized. The extruded glass fiber reinforced plastic planar plate and the extruded glass fiber reinforced plastic circular arc plate can be replaced by parts manufactured by various processes or various materials, including single-layer and multi-layer plate structures, including metal, foam, glass fiber reinforced plastic and other building or machining materials, including extrusion, casting, forging and other processes, and the scheme is within the protection scope of the utility model.

Fig. 2 provides a second embodiment of the present utility model, which shows the component structure of the nacelle cover of the wind turbine of the present utility model, wherein the surface plate 11 is an extruded glass fiber reinforced plastic planar plate, and the support plate 12 is an extruded glass fiber reinforced plastic corrugated plate, and the double-sided surface plate 11 is a single-layer corrugated plate 12 as shown in fig. 2. Wherein the extruded glass fiber reinforced plastic plane plate and the extruded glass fiber reinforced plastic corrugated plate are overlapped. As shown in fig. 3, the extruded glass fiber reinforced plastic planar structure can be independently applied to the top, the side or the bottom of the cabin cover, etc., the upper half of fig. 3 shows the cross section thereof, the edge thereof is visible to have a protruding connecting part, the lower half shows the top surface thereof, and the extruded glass fiber reinforced plastic planar structure is visible to have a smooth surface; as shown in fig. 4, the extruded glass fiber reinforced plastic corrugated board has wavy undulations. The extrusion process ensures the production line production, and gets rid of the dilemma of low productivity efficiency such as the investment of the existing cabin cover die, the vacuum pumping of the hand paste and the like.

As shown in fig. 2, the surface plate comprises at least a first surface plate 13; wherein the first surface plate is in contact with a first face of the extruded glass fiber reinforced plastic corrugated board. The surface plate further comprises a second surface plate 14; wherein the second surface plate is in contact with a second face of the extruded glass fiber reinforced plastic corrugated board. The two wave crest centers of the cross section of the extruded glass fiber reinforced plastic corrugated plate are spaced by 50-200 mm, the two wave trough centers of the cross section of the extruded glass fiber reinforced plastic corrugated plate are spaced by 50-200 mm, and the thickness of the extruded glass fiber reinforced plastic plane plate is 1-10 mm. The extruded glass fiber reinforced plastic planar plates, the extruded glass fiber reinforced plastic corrugated plates and/or the extruded glass fiber reinforced plastic profiles are bonded by adopting structural adhesive.

The application of the extrusion glass fiber reinforced plastic ensures that the cabin cover structural panel can rapidly realize the production line, reduces the investment of the mould and improves the delivery efficiency; the planar extruded glass fiber reinforced plastic plate and the corrugated extruded glass fiber reinforced plastic plate are adhered together through the structural adhesive and then applied to the cabin cover industry, so that the rigidity of the cabin cover body is improved, and the cost of the cabin cover body is greatly reduced.

According to the utility model, the maximum bearing load can be realized by overlapping the extruded glass fiber reinforced plastic planar plates and the extruded glass fiber reinforced plastic corrugated plates, the extruded glass fiber reinforced plastic planar plates can realize the same bearing capacity without adopting the thickness of 5mm or even 20mm like the prior art, and the defect that the rigidity of the cabin cover body can only be increased by means of the thickness of the glass fiber reinforced plastic body or the internal filling and lifting are overcome.

The application of the composite bonding process of the surface plate, the support plate and the extrusion profile plate on the cabin cover plate greatly reduces the cabin cover assembly cost and improves the rigidity of the cabin cover body. In addition, the following conclusions can be drawn through the process of extruding the glass fiber reinforced plastic cabin cover composite panel and the connection: the application of the extrusion glass fiber reinforced plastic assembly bonding process and the bonding of the local standard flange improve the rigidity of the cabin cover, reduce the cost of the cabin cover assembly and greatly improve the production efficiency of the cabin cover. As shown in fig. 3, the extruded glass fiber reinforced plastic planar panels may also individually form the top, bottom or side panels of the nacelle cover.

FIG. 4 provides a third embodiment of the present utility model showing another component structure of the nacelle cover of the wind turbine of the present utility model, which differs from the previous embodiment in that the single layer of the surface plate 11 plus the single layer of the support plate 12, i.e. the extruded glass fiber reinforced plastic surface plate comprises only the first surface plate; the first surface plate 13 is in contact with the first surface of the extruded glass fiber reinforced plastic corrugated board, and when the requirement on the bearing capacity is not very high, the scheme in the embodiment can be adopted, so that the consumption of materials is properly reduced, the cost is saved, even the first surface plate can be directly adopted, or the extruded glass fiber reinforced plastic corrugated board is adopted, and the scheme is within the protection scope of the utility model. In summary, based on different stiffness or strength requirements, an optimal cost can be achieved with different bonding structures.

Fig. 5 provides a fourth embodiment of the utility model showing a third component structure of the inventive wind turbine nacelle cover, the one-sided surface panel 11 as shown in fig. 5 being bonded to the back plate 12 in combination with a reinforced extrusion profile, in this embodiment the wind turbine nacelle cover further comprising an extrusion glass fibre reinforced plastic profile 15 arranged in contact with the second face of the extrusion glass fibre reinforced plastic corrugated sheet (back plate 12). Namely, the extruded glass fiber reinforced plastic section 15 replaces the function of the second surface plate, and further, in order to better improve the bearing capacity, the extruded glass fiber reinforced plastic section is a long section with an I-shaped section, and the extending direction of the long section is parallel to the cross section of the extruded glass fiber reinforced plastic corrugated board.

The utility model also provides a wind driven generator, which comprises the wind driven generator cabin cover in any embodiment.

By adopting the cabin cover process of extruding the glass fiber reinforced plastic, the cabin cover structural panel can rapidly realize the production line production, the investment of a die is reduced, the delivery efficiency is improved, and the rapid expansibility of products is met.

The design of the cabin cover extrusion glass fiber reinforced plastic panel mainly adopts one-step molding extrusion glass fiber reinforced plastic plane plate or an adhesion assembly plate formed by the extrusion glass fiber reinforced plastic plane plate and a supporting plate or an extrusion profile.

By adopting the extrusion glass fiber reinforced plastic bonding process with different shapes and thicknesses, the rigidity of the cabin cover body is greatly improved, and the cost of the cabin cover body is greatly reduced.

The form of the extrusion glass fiber reinforced plastic cabin cover plate is characterized by comprising the following structures:

the extruded glass fiber reinforced plastic plane plate and the extruded glass fiber reinforced plastic corrugated plate are bonded together through structural adhesive to form a high-strength panel; the panel can be used in the top, bottom, side and other plane areas of the cabin cover;

the single-layer extrusion glass fiber reinforced plastic plane plate is used in the top, bottom and side plane areas of the cabin cover, and different thicknesses are selected based on different rigidity or strength requirements;

in some types, the cabin cover side panel adopts a process of adhering a single-layer surface plate to a single-layer support plate, and can meet the design strength requirement and further reduce the cost.

After the extruded glass fiber reinforced plastic flat plate and the supporting plate are bonded, the extruded glass fiber reinforced plastic section bar, such as H-shaped steel or channel steel, is fixed into an assembly panel in a bonding or bolting mode to be used as a side panel or a top or bottom panel of the cabin cover.

In summary, the foregoing embodiments describe different configurations of the nacelle cover of the wind turbine in detail, and of course, the present utility model includes, but is not limited to, the configurations listed in the foregoing embodiments, and any configuration that is transformed based on the configurations provided in the foregoing embodiments falls within the scope of protection of the present utility model. One skilled in the art can recognize that the above embodiments are illustrative.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the system disclosed in the embodiment, the description is relatively simple because of corresponding to the method disclosed in the embodiment, and the relevant points refer to the description of the method section.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims (9)

1. A nacelle cover for a wind turbine, comprising:

a surface plate configured to be assembled into an outer contour of a nacelle cover of a wind turbine;

a support plate configured to be arranged to overlap the surface plate;

a vacuum-pumped glass fiber reinforced plastic panel configured to form a partially irregular structural member; and

the extruded glass fiber reinforced plastic arc panel or the extruded glass fiber reinforced plastic arc profile is configured to be connected with the surface panel.

2. Wind turbine nacelle cover according to claim 1, wherein the cross-sectional shape of the support plate comprises one or more of a wave, a saw tooth, a corrugated shape.

3. Wind turbine nacelle cover of claim 1, wherein the surface plate comprises at least a first surface plate;

wherein the first surface plate is in contact with a first face of the support plate.

4. A nacelle cover according to claim 3, wherein the surface plate further comprises a second surface plate;

wherein the second surface plate is in contact with the second face of the support plate.

5. A nacelle cover of a wind turbine according to claim 3, further comprising:

and extruding the glass fiber reinforced plastic profile to be contacted with the second surface of the supporting plate.

6. Wind turbine nacelle cover according to claim 5, wherein the extruded glass fibre reinforced plastic profile is an elongated profile with an i-shaped or channel-shaped cross section, the extension of which is parallel to the course of the bearing plate surface relief.

7. Wind turbine nacelle cover according to claim 5, wherein the surface plates, the support plates and/or the extruded glass fibre reinforced plastic profiles are glued together by means of a structural glue.

8. Wind turbine nacelle cover according to claim 1, wherein,

the material of the surface plate comprises extruded glass fiber reinforced plastic or metal;

the material of the support plate comprises extruded glass fiber reinforced plastic or metal support plate.

9. A wind turbine comprising a nacelle cover according to any one of claims 1-8.

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