CN210195936U

CN210195936U - Dust shielding cover for wind power generation stator

Info

Publication number: CN210195936U
Application number: CN201920873205.9U
Authority: CN
Inventors: Gui Liu; 刘归; Yiquan Li; 李义全; Zhanguang Meng; 孟占广; Yugang Peng; 彭玉刚; Xiaobin Liu; 刘晓彬
Original assignee: North Boyuan Tengzhou Composite Material Co ltd
Current assignee: North Boyuan Tengzhou Composite Material Co ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-03-27
Anticipated expiration: 2029-06-10

Abstract

The utility model belongs to the technical field of aerogenerator stator module, concretely relates to wind power generation stator is with hiding dust cover, include: the ventilating part comprises a bottom plate and a coaming, and the bottom plate is a grid plate; the coaming is cylindrical and is arranged around the periphery of the bottom plate; the center of the mounting plate is provided with a center hole, and the edge of the center hole is connected with the edge of the enclosing plate and is suitable for being clamped and embedded with the ventilation part; the ventilation part and the mounting plate are made of polyester materials. The utility model discloses an above-mentioned structure hide dirt lid and both realized the dirt problem of hiding of generator stator, the dirt that hides of metal material covers the poor problem that nevertheless has the electric leakage risk of corrosion resistance through setting up of polyester material among the prior art simultaneously, hides dirt lid simultaneously and still has the advantage of its material polyester material, has corrosion-resistant, insulating nature is good, the characteristics that the fire resistance is good, further improves the functionality that hides dirt lid.

Description

Dust shielding cover for wind power generation stator

Technical Field

The utility model belongs to the technical field of aerogenerator stator module, concretely relates to wind power generation stator is with hiding dirt cover.

Background

The principle of the wind driven generator is that a wind wheel rotates under the action of wind force to convert the kinetic energy of the wind into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. Therefore, the stronger the wind, the longer the wind duration, and the best efficiency is for generating electricity from wind. In desert areas, due to large day and night temperature difference, shelters are few, wind power is constant all the year round, particularly, the wind power is particularly strong at night, and the wind power generation device is suitable for wind power generation. Meanwhile, due to the fact that water shortage in desert areas is not suitable for residential production, hydroelectric power and thermal power cannot be built, power cannot be generated at night by utilizing solar energy, and the desert environment is suitable only for wind power generation. Meanwhile, the population of the desert area is rare, and the demand of most desert population can be met by single wind power generation. However, a strong sand storm often occurs in desert areas, and the sand storm can damage wind power generation facilities, so that the loss of wind power generation equipment is serious, the power generation cost is high, and the power generation capacity is unstable. At present, most of dust shielding ventilation parts for the stator of the generator are made of metal materials coated with anticorrosive materials on the surfaces, but the dust shielding structure has the following problems: firstly, the exposed part of metal has poor corrosion resistance, is easy to rust and corrode and loses strength and function, and secondly, the metal has conductivity, and the risk of electric leakage exists when the metal is used as a generator component.

Therefore, not enough more than, the utility model discloses the urgent need provides a wind power generation stator is with hiding dirt cover to the dirt cover corrosion resistance that hides of metal material is poor and there is the problem of electric leakage risk among the solution prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind power generation stator is with hiding dirt cover to the dirt that hides of metal material covers corrosion resistance poor and has the problem of electric leakage risk among the solution prior art.

The utility model provides a wind power generation stator is with hiding dirt cover, include: the ventilating part comprises a bottom plate and a coaming, and the bottom plate is a grid plate; the coaming is cylindrical and is arranged around the periphery of the bottom plate; the center of the mounting plate is provided with a center hole, and the edge of the center hole is connected with the edge of the enclosing plate and is suitable for being clamped and embedded with the ventilation part; the ventilation part and the mounting plate are made of polyester materials.

In the dust hood for a wind turbine stator, it is preferable that a joint between the bottom plate and the shroud is provided with a fillet.

In the dust hood for a wind turbine stator described above, it is more preferable that the cylinder height of the shroud be greater than the thickness of the mounting plate.

In the dust cover for a wind turbine stator as described above, it is more preferable that the thickness of the base plate is 6 mm.

The dust cover for a wind turbine stator as described above further preferably includes a mounting hole provided in the mounting plate.

In the dust cover for a wind turbine stator as described above, it is preferable that the mounting hole is provided in plural, and the plural mounting holes are arranged in order along a circumferential edge of the mounting plate.

In the dust hood for a wind turbine stator as described above, it is further preferable that the ventilation portion and the mounting plate are formed integrally.

The dust cover for the wind power generation stator is preferably manufactured by a compression molding process.

In the dust-shielding cover for a wind turbine generator stator described above, it is more preferable that the molding process uses SMC sheet as a raw material.

Compared with the prior art, the utility model has the following advantage:

the embodiment replaces the dust shielding structure in the prior art by providing the dust shielding cover for the wind power generation stator, which is made of a polyester material and comprises a ventilation part and a mounting plate, wherein the ventilation part is suitable for ventilation, the mounting plate is suitable for being installed corresponding to the stator, and shields the stator to prevent dust evacuated from the ventilation part and dust in the external environment from being accumulated on the stator coil. The utility model discloses an above-mentioned structure hide dirt lid and both realized the dirt problem of hiding of generator stator, the dirt that hides of metal material covers the poor problem that nevertheless has the electric leakage risk of corrosion resistance through setting up of polyester material among the prior art simultaneously, hides dirt lid simultaneously and still has the advantage of its material polyester material, has corrosion-resistant, insulating nature is good, the characteristics that the fire resistance is good, further improves the functionality that hides dirt lid.

Drawings

FIG. 1 is a front view of a dust-shielding cover for a wind power stator of the present invention;

FIG. 2 is a side view of the dust-shielding cover for the wind power stator of the present invention;

FIG. 3 is a rear view of the dust cover for a wind turbine stator of the present invention;

fig. 4 is an axonometric view of the dust-shielding cover for the stator of the wind power generation of the utility model.

Description of reference numerals:

1-mounting plate, 2-bottom plate, 3-coaming plate and 4-mounting hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 4, the dust cover for a wind turbine stator disclosed in the present embodiment includes: the ventilating part is dish-shaped and comprises a bottom plate 2 and a coaming 3, and the bottom plate 2 is a grating plate; the coaming 3 is cylindrical and surrounds the periphery of the bottom plate 2; the center of the mounting plate 1 is provided with a center hole, the shape of the center hole is the same as that and the size of the bottom plate 2, the edge of the center hole is connected with the edge of the enclosing plate 3, and the center hole is suitable for being clamped and embedded with the ventilation part; the ventilation part and the mounting plate 1 are made of polyester materials. In the structure, the ventilation part in the middle is correspondingly arranged on the rotor at the inner side of the annular structure of the stator and is suitable for evacuating gas generated when the rotor rotates; the mounting plate 1 is correspondingly mounted with the stator of the wind driven generator, and therefore, the structure of the mounting plate is annular, the mounting plate corresponds to the annular structure of the stator and is suitable for covering the stator and the stator coil, and dust carried in evacuating gas passing through the middle of the stator or dust in the external environment is prevented from being accumulated at the end part of the stator or the stator coil, namely, the dust shielding problem of the stator of the generator is realized through the structure. Meanwhile, the problem that a dust shielding cover made of a metal material is poor in corrosion resistance but has a leakage risk in the prior art is solved through the arrangement of the polyester material, and the dust shielding cover further has the advantages of being made of the polyester material, has the characteristics of corrosion resistance, good insulating property and good flame retardance, and can further improve the functionality of the dust shielding cover.

In the polyester system material, the o-benzene type unsaturated polyester resin is preferred in the embodiment, and has higher cost performance; the low-shrinkage additive is preferably a high impact polystyrene solution, so that the impact strength of the product can be effectively improved; the flame retardant adopts halogen-free flame retardant inorganic additive aluminum hydroxide to meet the V0 grade flame retardant requirement of the product.

As shown in fig. 1 to 4, in the dust hood for a wind turbine stator disclosed in this embodiment, a connecting portion between the bottom plate 2 and the enclosing plate 3 is provided with a fillet, and specifically, an inner connecting portion and an outer connecting portion of the bottom plate and the enclosing plate are both fillets. The arrangement of the fillet structure is suitable for facilitating mold opening during processing.

As shown in fig. 2, in the dust-shielding cover for a wind turbine stator disclosed in the present embodiment, the height of the shroud 3 is greater than the height of the mounting plate 1, and the bottom plate 2 is adapted to protrude from one side of the mounting plate 1. When the baffle plate 3 is installed corresponding to the stator, the baffle plate is in contact with the inner wall of the end part of the stator, namely, the bottom plate is positioned at the inner side of the end part of the stator, and the baffle plate is suitable for preventing dust carried in evacuating gas passing through the middle part of the stator from entering from an installation gap between the installation plate and the stator and accumulating on the end part of the stator or a stator coil.

Further, in the dust-shielding cover for the wind power generation stator disclosed in the present embodiment, the thickness of the base plate 2 is 6 mm. In this embodiment, bounding wall 3 with the thickness of mounting panel 1 all is less than bottom plate 2's thickness, through thickening bottom plate 2 the thickness of thickening grid promptly, and then makes its effect the same with the strengthening rib, improves the bearing function. The arrangement of the round corners is convenient for process molding.

Further, in the dust hood for the stator of the wind driven generator disclosed in this embodiment, the dust hood further includes a mounting hole 4, and the mounting hole 4 is disposed on the mounting plate 1. Preferably, the mounting holes 4 are plural, and the plural mounting holes 4 are sequentially arranged along the circumference of the mounting plate 1. The mounting holes 4 in this embodiment are bolt-through mounting holes 4, and are suitable for mounting the dust hood for a wind turbine stator on the stator by means of bolt fasteners, and the plurality of mounting holes 4 are suitable for mounting a plurality of bolts to enhance the mounting strength. In this embodiment, the shroud 3 is adapted to be engaged with the end of the stator to facilitate installation of fasteners.

As shown in fig. 1 to 4, in the dust hood for a wind turbine stator disclosed in the present embodiment, the ventilation portion and the mounting plate 1 are integrally formed. The integrated arrangement is suitable for enabling the dust shield for the wind power generation stator to be of an equal-strength structure, and the bearing capacity, the assembly convenience and the appearance attractive effect of a finished product can be considered; according to the structural characteristics and the large-scale production needs of the dust hood, the composite material is preferably processed by a compression molding process, so that the mass production efficiency is improved, and the manufacturing cost is effectively reduced. The compression Molding process preferably uses SMC (Sheet Molding Compound, i.e., glass fiber reinforced unsaturated polyester resin) Sheet as a raw material.

This embodiment is wind power generation is dust hood for stator, aims at through preferred polyester material system, preferred compression molding process, carries out intensity design such as combined material for dust hood has corrosion-resistant, insulating good, the good characteristics of fire resistance, and through the setting of dust hood structure, reduce machining strength, and then improve volume production efficiency reduce cost simultaneously.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A wind power generation stator is with hiding dirt cover, its characterized in that includes:

the ventilating part comprises a bottom plate and a coaming, and the bottom plate is a grid plate; the coaming is cylindrical and is arranged around the periphery of the bottom plate;

the center of the mounting plate is provided with a center hole, and the edge of the center hole is connected with the edge of the enclosing plate and is suitable for being clamped and embedded with the ventilation part;

the ventilation part and the mounting plate are made of polyester materials.

2. The dust hood for a wind turbine stator according to claim 1, wherein a joint between the bottom plate and the shroud is provided with a fillet.

3. The dust hood for a wind turbine stator according to claim 2, wherein the barrel height of the shroud is greater than the thickness of the mounting plate.

4. The dust cover for a wind turbine stator according to claim 3, wherein the thickness of the base plate is 6 mm.

5. The dust cover for a wind turbine stator according to claim 4, further comprising a mounting hole provided on the mounting plate.

6. The dust cover for a wind turbine stator according to claim 5, wherein the mounting hole is provided in plural, and the plural mounting holes are arranged in sequence along a circumferential edge of the mounting plate.

7. The dust cover for a wind turbine stator according to claim 6, wherein the ventilation portion and the mounting plate are of an integrally molded structure.

8. The dust-shielding cover for the wind power generation stator according to claim 7, wherein the dust-shielding cover is manufactured by a compression molding process.

9. The dust-shielding cover for the wind power generation stator according to claim 8, wherein the compression molding process uses SMC sheet as a raw material.