CN219759971U - Wave-absorbing plate structure and fan tower barrel applying same - Google Patents

Abstract

The utility model discloses a wave-absorbing plate structure and a fan tower barrel using the same, comprising a bottom plate and a top paint layer, wherein a first bonding layer, a honeycomb core, a second bonding layer, an epoxy resin fiber board and the top paint layer are sequentially arranged between the bottom plate and the top paint layer from bottom to top, the honeycomb core is an aramid fiber honeycomb board, the epoxy resin fiber board, the bonding layer and the honeycomb core are bonded through an epoxy adhesive film, the wave-absorbing plate is arranged on the outer wall of the fan tower barrel, the fan tower barrel comprises a base and a tower body, the bottom of the tower body is fixedly connected with the base, and the top of the tower body is connected with fan blades. The utility model directly uses the honeycomb wave-absorbing plate on the surface of the wind power tower, reduces reflection, and has the characteristics of simple construction process and low cost, and has good wave-absorbing performance and wave-absorbing bandwidth. The wave-absorbing structure plate is made of non-metal materials except the corrosion-resistant metal plate for the bottom plate, so that the whole wave-absorbing structure plate has good corrosion resistance and can be used in severe environments.

Description

Wave-absorbing plate structure and fan tower barrel applying same

Technical Field

The utility model relates to a wave-absorbing plate and a fan tower, in particular to a wave-absorbing plate structure and a fan tower using the same.

Background

At present, the feasible means for reducing the electromagnetic wave reflection on the surface of the wind power tower mainly comprise the steps of coating a wave-absorbing coating and paving a patch with an electromagnetic wave absorption function on the surface, however, the coating of the wave-absorbing coating is difficult to construct, the cost is high, the powder possibly exists in the long-term use process, the service life is reduced, and the appearance of the tower can be influenced by direct exposure. The electromagnetic wave absorption function paster is mainly applied to electronic equipment at present, and large-area use is with high costs, and the construction degree of difficulty is big, uses in adverse circumstances for a long time, and the paster can pulverize, reduces life, can not satisfy people's demand yet.

Disclosure of Invention

The utility model aims to provide a wave-absorbing plate structure and a fan tower barrel applying the wave-absorbing plate structure, reduce electromagnetic wave reflection on the surface of the wind power tower barrel, optimize the process of coating wave-absorbing coatings and paving the surface, and solve the defects in the prior art.

The utility model provides the following scheme:

the utility model provides a wave-absorbing plate structure, includes bottom plate and finish paint layer first tie coat, honeycomb core, second tie coat, epoxy fibreboard have set gradually from bottom to top between the bottom plate and the finish paint layer.

Further, the bottom plate is a carbon fiber plate or a metal plate.

Further, the thickness of the bottom plate is 1.6-2.0mm.

Further, the honeycomb core is an aramid honeycomb plate, and the density of the honeycomb core is 48kg/m ³ 。

Further, the thickness of the honeycomb core is 2-10cm.

Further, the epoxy resin fiber board, the bonding layer and the honeycomb core are bonded through an epoxy adhesive film.

Further, a screw hole is formed in the wave absorbing plate.

A fan tower section of thick bamboo, be provided with the wave absorbing plate structure on the outer wall of fan tower section of thick bamboo.

Further, the fan tower section of thick bamboo includes base and tower body, the bottom and the base fixed connection of tower body, the top and the fan flabellum of tower body link to each other.

Further, the tower body is in a truncated cone shape.

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

the utility model directly uses the honeycomb wave-absorbing plate on the surface of the wind power tower, reduces reflection, and has the characteristics of simple construction process and low cost, and has good wave-absorbing performance and wave-absorbing bandwidth. The wave-absorbing structure plate is made of non-metal materials except the corrosion-resistant metal plate for the bottom plate, so that the whole wave-absorbing structure plate has good corrosion resistance and can be used in severe environments.

Due to the specificity of the use place, after the honeycomb wave-absorbing plate is installed, the honeycomb wave-absorbing plate is difficult to maintain in the later period. However, because the honeycomb core is adopted as the wave absorbing layer, each honeycomb unit is an independent unit, the honeycomb wave absorbing plate is damaged locally, and the damaged area is not easy to spread, so that the damage of the whole area is caused.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view showing an exploded structure of a wave-absorbing plate structure.

Fig. 2 is a top view of the overall structure of the absorber plate structure.

Fig. 3 is a schematic structural view of a fan tower.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Reference numerals illustrate: the paint comprises a finish paint 1, an epoxy resin fiberboard 2, an adhesive layer 3, a honeycomb core 4, a bottom plate 5, screw holes 6, a wave absorbing plate 7, a tower body 8 and a base 9.

The embodiment mainly aims at the problems existing in the prior art that: the construction difficulty of the coating wave-absorbing coating is high, the cost is high, the pulverization is possible in the long-term use process, the service life is reduced, the appearance of the tower barrel can be influenced by direct exposure, the maintenance is needed in the later period, and the local damage is needed to be repaired in time.

The patch with the electromagnetic wave absorption function is mainly applied to electronic equipment with small volume and surface area at present, the large-area use can lead to high cost, the construction difficulty is high, the patch is used in severe environment for a long time, the patch can be pulverized, and the service life is reduced. The wave-absorbing plate structure provided by the utility model can be widely applied to reducing electromagnetic wave reflection on the surface of a wind power tower.

The huge structure of the wind power plant affects nearby military equipment facilities, particularly the operational performance of radars and communication equipment, the radar reflection sectional area of a wind power tower is large, the strong reflection of the wind power plant can cause the saturation of a radar communication equipment receiver or even burn the receiver, the normal performance of the operational performance of the military equipment is seriously affected, and therefore, how to reduce the unnecessary electromagnetic interference is an urgent matter.

The wave-absorbing plate structure shown in fig. 1 to 3 comprises a base and a top paint, wherein an adhesive layer 3 (a first adhesive layer), a honeycomb core, an adhesive layer 3 (a second adhesive layer), an epoxy fiber board and the top paint layer are sequentially arranged between the base and the top paint layer from bottom to top. Wherein the bottom plate is a carbon fiber plate or a metal plate, the thickness of the bottom plate is 1.6-2.0mm, the honeycomb core is made of aramid fiber honeycomb plate material, and the density of the honeycomb core is 48kg/m ³ The thickness of the honeycomb core is 2-10cm, the epoxy resin fiber board, the bonding layer and the honeycomb core are bonded through an epoxy adhesive film, and the wave absorbing plate is provided with screw holes 6.

In the embodiment, the plate wave-absorbing structure is composed of a bottom plate 5, a bonding layer 3, a honeycomb core 4, the bonding layer 3, an epoxy resin fiber board 2 and a finish paint 1 from bottom to top in sequence, wherein the honeycomb core 4 is made of aramid paper, honeycomb units of the honeycomb core are hexagons, and carbon conductive powder is filled in a honeycomb wave-absorbing cavity. The method of the prior art is adopted to fill carbon conductive powder into the honeycomb wave-absorbing cavity, the preparation process is simple, the cost is low, the wave-absorbing performance is good, and the wave-absorbing frequency is wide.

The wave-absorbing structure of the embodiment is manufactured by adopting a preparation method in the prior art, and can be realized by the following steps:

1) And (5) bonding the bottom plate. And selecting an aluminum alloy plate or a stainless steel plate as a bottom plate, and bonding the bottom plate by using an adhesive through the blank honeycomb core material.

2) And (3) filling the cavities of the honeycomb core material in the step 1) with carbon conductive powder.

3) And (5) bonding the panels. And selecting an epoxy glass fiber panel as a panel, and bonding the honeycomb core filled with carbon conductive powder with the panel by using an adhesive.

4) And (5) spraying finishing paint. And the surface of the upper panel is sprayed with a finishing paint so as to improve the environmental adaptability of the epoxy glass fiber panel and the aesthetic degree of the integral wave-absorbing structure.

5) And (3) according to the size of the plate, mounting holes are drilled at the corresponding positions of the plate of the wave-absorbing structure.

The installation construction method of the wave-absorbing structure plate comprises the following steps:

drilling holes on the surface of the wind power tower according to the installation position of the wave-absorbing structure plate and the position of the installation hole;

the wave-absorbing structure plate is stuck to the tower body, the expansion bolts are used for reinforcing, and the mounting holes are blocked by the caps.

The prepared wave-absorbing plate block structure is adhered to the outer surface of the fan tower, can be adhered to the outer surface from the middle part to the top of the fan tower, is used for reducing electromagnetic wave reflection on the surface of the fan tower, and is simple in construction and low in cost. Because of the specificity of the use place, the ordinary honeycomb wave-absorbing plate in the prior art is difficult to maintain in the later period after being installed, but because the honeycomb core is adopted as the wave-absorbing layer, each honeycomb unit is an independent unit, the honeycomb wave-absorbing plate is damaged locally, and the damaged area is not easy to spread, so that the damage of the whole area is caused.

It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

It should be noted that certain terms are used throughout the description and claims to refer to particular elements. It will be appreciated by those of ordinary skill in the art that different manufacturers, manufacturers may refer to a component by different names. The description and claims do not differ by the way in which they distinguish between components, but rather differ by the way in which they function.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example: any of the embodiments claimed in the claims may be used in any combination of the embodiments of the utility model.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps. Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise. Like reference numerals refer to like elements throughout the specification.

Those skilled in the art will appreciate that the modules in the apparatus of the embodiments may be adaptively changed and disposed in one or more apparatuses different from the embodiments. The modules or units or components of the embodiments may be combined into one module or unit or component and, furthermore, they may be divided into a plurality of sub-modules or sub-units or sub-components. Any combination of all features disclosed in this specification (including the corresponding claims, abstract and drawings), and all of the processes or units of any method or apparatus so disclosed, may be used in combination, except insofar as at least some of such features and/or processes or units are mutually exclusive. Each feature disclosed in this specification (including the corresponding claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The utility model may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order, and the words may be interpreted as names.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Reference to "comprising" or "including" in the specification and claims is an open-ended term that should be interpreted to mean "including, but not limited to. The following description of the preferred embodiments of the utility model is provided for the purpose of illustration and is not intended to limit the scope of the utility model. The scope of the utility model is defined in the appended claims. It should be emphasized that the term "comprises/comprising" when used in this specification is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components. The terms or indices "a," "an," "two," "1," "2," "n-" etc. related to ordinal numbers do not necessarily denote the order of implementation or importance of features, elements, steps or components defined by the terms, but are used for clarity of description only to identify among the features, elements, steps or components.

It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the several embodiments provided in the present utility model, it should be understood that the disclosed system, apparatus and method may be implemented in other manners, for example: the device embodiments described above are merely illustrative; for example: the division of the units is only one logic function division, and other division modes can be adopted in actual implementation; for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or certain instructions not executed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form not shown.

In the present utility model, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The utility model provides a wave absorbing plate structure, includes bottom plate and finish paint layer, its characterized in that first tie coat, honeycomb core, second tie coat, epoxy fiberboard have been set gradually from bottom to top between bottom plate and the finish paint layer.

2. The wave-absorbing plate structure of claim 1, wherein the bottom plate is a carbon fiber plate or a metal plate.

3. The wave-absorbing plate structure of claim 2, wherein the thickness of the bottom plate is 1.6-2.0mm.

4. The wave-absorbing plate structure according to claim 1, wherein the honeycomb core is an aramid honeycomb plate, and the density of the honeycomb core is 48kg/m ³ 。

5. The wave-absorbing plate structure of claim 1, wherein the honeycomb core has a thickness of 2-10cm.

6. The wave-absorbing plate structure of claim 1, wherein the epoxy fiber board, the adhesive layer and the honeycomb core are bonded by an epoxy film.

7. The structure of the wave-absorbing plate according to claim 1, wherein screw holes are formed in the wave-absorbing plate.

8. A fan tower, characterized in that the outer wall of the fan tower is provided with the wave-absorbing plate structure as defined in any one of claims 1 to 7.

9. The fan tower of claim 8, wherein the fan tower comprises a base and a tower, wherein the bottom of the tower is fixedly connected with the base, and the top of the tower is connected with the fan blades.

10. The wind turbine tower of claim 9, wherein the tower is frustoconical.