Tower and wind generating set

Abstract

The embodiment of the utility model provides a tower and a wind generating set. The tower comprises a tower body, an anti-icing shell and an energy supply device. The anti-icing shell comprises a hydrophobic layer and a heating layer, the heating layer is arranged on the outer surface of the tower body, and the hydrophobic layer is arranged on the side, away from the tower body, of the heating layer; and the energy supply device is connected with the heating layer so as to heat the heating layer. According to the embodiment of the invention, the anti-icing shell is arranged on the outer side of the tower body, and the hydrophobic performance of the hydrophobic layer of the anti-icing shell is utilized, so that attachment of liquid on the surface of the hydrophobic layer is reduced, and icing of the liquid on the surface of the tower is delayed. And energy is supplied to the heating layer of the anti-icing shell through the energy supply device, so that the heating layer can emit heat, the generated heat is transferred to the hydrophobic layer, an iced ice layer on the surface of the anti-icing shell is melted, and the ice layer attached to the surface of the tower is reduced.

Description

A tower and a wind turbine generator set Technical Field

[0001] This application relates to wind power generation equipment technology, and more particularly to a tower and a wind turbine generator set. Background Technology

[0002] A wind turbine is a device that generates electricity using wind energy. Wind turbines are typically installed in areas with abundant wind resources.

[0003] The surface of wind turbine towers installed in cold regions is prone to icing. Icing can lead to various safety hazards, such as increased weight due to ice, which may affect the structural stability of the tower and cause it to collapse. Summary of the Invention

[0004] This application provides a tower and a wind turbine generator set to solve the problem that existing tower surfaces are prone to icing, which can cause safety hazards.

[0005] On one hand, this application provides a tower, including a tower body, an anti-icing shell, and a power supply device; the anti-icing shell includes a hydrophobic layer and a heating layer, the heating layer is disposed on the outer surface of the tower body, and the hydrophobic layer is disposed on the side of the heating layer away from the tower body; the power supply device is connected to the heating layer to heat the heating layer.

[0006] Optionally, the anti-icing outer shell includes multiple annular shells, which are fitted around the circumference of the tower body, and the multiple annular shells are sequentially spliced ​​together along the height direction of the tower body.

[0007] Optionally, the annular shell includes a plurality of shell plates connected in sequence, each shell plate being detachably connected to the tower body, and each shell plate including a hydrophobic layer and a heating layer.

[0008] Optionally, the heating layer includes a metal substrate and heating elements fixed on the metal substrate, with heating elements on multiple outer shell plates within the same annular housing connected in series.

[0009] Optionally, the heating element is a heating wire, and the power supply device includes a power source.

[0010] Optionally, clearance grooves are provided on opposite sides of the metal substrate, which are used to correspond to the ends of the exposed heating element.

[0011] Optionally, the outer shell is detachably connected to the tower body by bolts. The outer shell is provided with several through holes that penetrate the hydrophobic layer and the heating layer, and the through holes are used for the threaded section of the bolt to pass through.

[0012] Optionally, it also includes a temperature sensor located on the side of the hydrophobic layer away from the heating layer, and a controller is provided on the tower body, which is electrically connected to the temperature sensor, the heating layer and the power supply device.

[0013] Optionally, there are multiple temperature sensors, with at least one temperature sensor provided on each annular housing.

[0014] On the other hand, this application provides a wind turbine generator set, including the tower described above.

[0015] The tower and wind turbine generator provided in this application reduce liquid adhesion to the surface of the hydrophobic layer by installing an anti-icing shell on the outside of the tower body and utilizing the hydrophobic properties of the anti-icing shell's hydrophobic layer, thus delaying the freezing of liquid on the tower surface. Furthermore, an energy supply device powers the heating layer of the anti-icing shell, enabling it to generate heat. The heat generated is transferred to the hydrophobic layer, melting any ice already frozen on the surface of the anti-icing shell and reducing ice adhesion to the tower surface. Attached Figure Description

[0016] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0017] Figure 1 is a schematic diagram of the overall external structure of the wind turbine generator set;

[0018] Figure 2 is a schematic diagram of the structure of the outer shell sheet in the anti-icing outer shell;

[0019] Figure 3 is a schematic diagram of the radial cross-sectional structure of the tower;

[0020] Figure 4 is a schematic diagram of the controller.

[0021] Figure label:

[0022] 10 - Tower; 20 - Main unit;

[0023] 100-tower body;

[0024] 200-Anti-icing outer shell; 201-Annular shell; 202-Outer shell piece; 210-Hydrophobic layer; 220-Heating layer; 221-Metal substrate; 222-Heating element; 230-Groove groove; 240-Through hole;

[0025] 300 - Power supply device;

[0026] 400 - Temperature sensor;

[0027] 500-Controller.

[0028] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0029] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application.

[0030] The terms “first,” “second,” “third,” “fourth,” etc., as used in this application (if applicable), are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in a sequence other than those illustrated or described herein.

[0031] In this application, the terms "exemplarily" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplarily" or "for example" in this application should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of terms such as "exemplarily" or "for example" is intended to present the relevant concepts in a specific manner.

[0032] In related technologies, wind turbine generators are typically installed in areas rich in wind energy resources, such as plateaus and oceans. The tower surfaces of wind turbine generators installed in cold regions (such as during winter in plateaus) are prone to icing. The ice layer increases the weight of the tower, potentially affecting its structural stability; for example, excessive ice thickness can cause the tower to collapse due to overweight conditions.

[0033] In view of this, this application provides a tower and wind power generation equipment to solve the problem of icing on the tower surface.

[0034] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0035] In a first aspect, as shown in Figures 1 to 3, the tower 10 provided in this application includes a tower body 100, an anti-icing outer shell 200, and a power supply device 300. The anti-icing outer shell 200 includes a hydrophobic layer 210 and a heating layer 220. The heating layer 220 is disposed on the outer surface of the tower body 100, and the hydrophobic layer 210 is disposed on the side of the heating layer 220 away from the tower body 100. The power supply device 300 is connected to the heating layer 220 to heat the heating layer 220.

[0036] In the above technical solution, the hydrophobic layer 210 is hydrophobic, which reduces the adhesion of liquid to the surface of the hydrophobic layer 210, thereby delaying the freezing of liquid on the surface of the tower 10. The power supply device 300 provides the energy required for heating the heating layer 220, enabling the heating layer 220 to generate heat. The heated heating layer 220 can then transfer heat to the hydrophobic layer 210, causing the hydrophobic layer 210 to heat up as well, thereby further delaying the freezing of the surface of the hydrophobic layer 210. Furthermore, it can also melt the already frozen ice layer attached to the surface of the hydrophobic layer 210, reducing the amount of ice adhering to the surface of the hydrophobic layer 210, thereby achieving the effect of reducing the freezing phenomenon on the surface of the tower 10.

[0037] It can be understood that the hydrophobic layer 210 is a layered structure with a hydrophobic coating on its surface, or the hydrophobic layer 210 is entirely made of hydrophobic materials. Hydrophobic materials include, but are not limited to, polydimethylsiloxane (PDMS) and polytetrafluoroethylene.

[0038] As shown in Figure 3, in some optional embodiments, the anti-icing shell 200 includes a plurality of annular shells 201, which are sleeved on the circumference of the tower body 100, and the plurality of annular shells 201 are sequentially spliced ​​along the height direction of the tower body 100.

[0039] It is understandable that designing the anti-icing shell 200 as a series of annular shells 201 allows for the adaptive selection of the number of annular shells based on the different tower heights 10 and the height of each annular shell 201. This ensures that the annular shells 201, when sequentially assembled, can effectively cover the outer surface of the tower body 100 while avoiding waste caused by the anti-icing shell 200 being taller than the tower body 100. Furthermore, using multiple annular shells 201 allows for overall fixation of the annular shells 201 to the tower body 100 simply by individually fixing each annular shell 201, making assembly more convenient compared to an integrated anti-icing shell 200 structure.

[0040] As shown in Figures 2 and 3, in some optional embodiments, the annular shell 201 includes a plurality of shell pieces 202 connected in sequence, each shell piece 202 being detachably connected to the tower body 100, and each shell piece 202 including a hydrophobic layer 210 and a heating layer 220.

[0041] By sequentially connecting multiple outer shell pieces 202 into a ring, an annular shell 201 can be constructed, which facilitates the installation between the anti-icing shell 200 and the tower body 100. Furthermore, when the hydrophobic layer 210 and / or heating layer 220 of a certain area of ​​the anti-icing shell 200 are damaged, the corresponding outer shell piece 202 can be replaced individually, which also facilitates the replacement of the anti-icing shell 200.

[0042] Furthermore, since each outer shell piece 202 includes a hydrophobic layer 210 and a heating layer 220, each heating layer 220 can be controlled individually to allow each outer shell piece 202 to heat up or stop heating independently. Alternatively, some heating layers 220 can be centrally controlled, for example, by centrally controlling the heating layers 220 in multiple outer shell pieces 202 constituting the same annular shell 201, allowing the heating layers 220 of the same annular shell 201 to heat up or stop heating simultaneously. Of course, all heating layers 220 in the entire anti-icing shell 200 can also be controlled as a whole to achieve overall heating or stopping of heating for all heating layers 220.

[0043] As shown in Figure 2, in some optional embodiments, the heating layer 220 includes a metal substrate 221 and a heating element 222 fixed on the metal substrate 221, with the heating elements 222 on multiple outer shell pieces 202 within the same annular shell 201 connected in series.

[0044] Understandably, on the one hand, the metal substrate 221 typically has good thermal conductivity, allowing the heat generated by the heating element 222 to be better transferred to the hydrophobic layer 210 through the metal substrate 221. On the other hand, the metal substrate 221 also has good corrosion resistance, thus extending the service life of the anti-icing shell 200.

[0045] By connecting multiple heating elements 222 on multiple outer shell plates 202 on the same annular shell 201 in series, it is possible to easily connect the heating layers 220. Furthermore, it allows for simultaneous heating or de-heating of the heating layers 220 within the same annular shell 201. Typically, the annular temperature at different locations at the same height on the tower body 100 is roughly the same. Therefore, by connecting the outer shell plates 202 on each annular shell 201 in series, the heating layers 220 within the annular shell 201 can be individually controlled based on the ambient temperature corresponding to different height positions on the tower 10, thus achieving zoned control.

[0046] In some alternative embodiments, the heating element 222 is a heating wire, and the power supply device 300 includes a power source.

[0047] It is understood that the heating wire is a resistance wire, and the power supply provides current to the heating wire. When the current flows through the heating wire, a large amount of heat is generated, thereby realizing the heating function. Optionally, the main unit 20 installed at the top of the tower 10 can serve as an energy supply device 300. The main unit 20 converts wind energy into electrical energy, which can then be used as a power source to supply the heating wire.

[0048] Of course, in some other alternative embodiments, the heating element 222 can also be a pipe, and the power supply device 300 can be a steam generator. The high-temperature and high-pressure steam generated by the steam generator flows in the pipe, thereby heating the pipe and enabling the heating element 222 to provide heating power.

[0049] In order to facilitate the connection of the heating layer 220, in some optional embodiments, the opposite two side edges of the metal substrate 221 are provided with clearance grooves 230, which are used to correspond to the ends of the exposed heating element 222.

[0050] After the relief groove 230 exposes the end of the heating element 222, the heating elements 222 of two adjacent heating layers 220 can be connected within the relief groove 230, thereby facilitating the connection of the heating elements 222 of two adjacent heating layers 220.

[0051] In some alternative embodiments, the outer shell 202 is detachably connected to the tower body 100 by bolts. The outer shell 202 is provided with a plurality of through holes 240 penetrating the hydrophobic layer 210 and the heating layer 220. The through holes 240 are used for the threaded sections of the bolts to pass through.

[0052] It is understandable that by passing the bolt through the through hole 240 through the outer shell 202 and screwing it onto the tower body 100, the relative fixation between the outer shell 202 and the tower body 100 can be achieved.

[0053] Of course, in other embodiments, the outer shell 202 can also be fixed to the tower body 100 by welding.

[0054] As shown in Figures 1 and 4, in some optional embodiments, the tower 10 further includes a temperature sensor 400 located on the side of the hydrophobic layer 210 away from the heating layer 220, and the tower body 100 is provided with a controller 500, which is electrically connected to the temperature sensor 400 and the power supply device 300.

[0055] It is understood that the temperature sensor 400 is used to collect ambient temperature data. After obtaining the ambient temperature information collected by the temperature sensor 400, the controller 500 controls the start or stop of the power supply device 300 or controls the power of the power supply device 300 according to different ambient temperature information. For example, when the ambient temperature is greater than 0°C, ice is less likely to form on the surface of the tower 10 near the temperature sensor 400. In this case, the controller 500 can control the power supply device 300 to turn off the heating of the area with the anti-icing coating corresponding to the temperature sensor 400. When the ambient temperature is lower than 0°C, ice may form on the surface of the tower 10 near the temperature sensor 400. In this case, the controller 500 can control the power supply device 300 to turn on the heating of the area with the anti-icing coating corresponding to the temperature sensor 400. When the ambient temperature is lower than 10°C, the controller 500 can control the power of the power supply device 300 to increase to obtain a greater heating effect.

[0056] It should be noted that the probe of the temperature sensor 400 can extend beyond the anti-icing housing 200 so that the probe of the temperature sensor 400 is separated from the hydrophobic layer 210, thereby reducing the interference of the heating layer 220 on the temperature value detected by the temperature sensor 400 after heating.

[0057] Optionally, a connection hole (not shown in the figure) is provided in the anti-icing housing 200, and the temperature sensor 400 can be detachably installed in the connection hole.

[0058] In some alternative embodiments, there are multiple temperature sensors 400, with at least one temperature sensor 400 disposed on each annular housing 201.

[0059] Temperature sensors 400 installed on each annular housing 201 are used to measure the ambient temperature of the annular housing 201, so as to enable individual control of the heating layer 220 in each annular housing 201.

[0060] Secondly, this application provides a wind turbine generator set, including a tower 10.

[0061] It is understood that the tower 10 of the wind turbine generator set is the same as the tower 10 described above, and can achieve the same technical effects as the tower 10 described above. Therefore, this application will not elaborate further. The top of the tower 10 is used to install the main unit 20 of the wind turbine generator set, which can convert wind energy into electrical energy.

[0062] Optionally, the electrical energy generated by the host 20 can provide power for the heating layer 220.

[0063] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein.

[0064] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope.

Claims

1. A tower, characterized in that, include: Tower body (100); anti-icing shell (200), the anti-icing shell (200) includes a hydrophobic layer (210) and a heating layer (220), the heating layer (220) is disposed on the outer surface of the tower body (100), the hydrophobic layer (210) is disposed on the side of the heating layer (220) away from the tower body (100); power supply device (300), connected to the heating layer (220) to heat the heating layer (220).

2. The tower according to claim 1, characterized in that, The anti-icing outer shell (200) includes multiple annular shells (201), which are fitted around the circumference of the tower body (100), and the multiple annular shells (201) are sequentially spliced ​​together along the height direction of the tower body (100).

3. The tower according to claim 2, characterized in that, The annular shell (201) includes a plurality of shell pieces (202) connected in sequence. Each shell piece (202) is detachably connected to the tower body (100). Each shell piece (202) includes the hydrophobic layer (210) and the heating layer (220).

4. The tower according to claim 3, characterized in that, The heating layer (220) includes a metal substrate (221) and a heating element (222) fixed on the metal substrate (221). The heating elements (222) on a plurality of outer shell pieces (202) within the same annular shell (201) are connected in series.

5. The tower according to claim 4, characterized in that, The heating element (222) is a heating wire, and the power supply device (300) includes a power source.

6. The tower according to claim 4, characterized in that, The metal substrate (221) has clearance grooves (230) on its opposite sides, which are used to expose the end of the heating element (222).

7. The tower according to claim 3, characterized in that, The outer shell (202) is detachably connected to the tower body (100) by bolts. The outer shell (202) is provided with a plurality of through holes (240) penetrating the hydrophobic layer (210) and the heating layer (220). The through holes (240) are used for the threaded section of the bolt to pass through.

8. The tower according to any one of claims 2-7, characterized in that, It also includes a temperature sensor (400) located on the side of the hydrophobic layer (210) away from the heating layer (220), and the tower body (100) is provided with a controller (500) which is electrically connected to the temperature sensor (400), the heating layer (220) and the power supply device (300).

9. The tower according to claim 8, characterized in that, The number of temperature sensors (400) is multiple, and at least one temperature sensor (400) is provided on each of the annular housings (201).

10. A wind turbine generator set, characterized in that, The tower (10) includes any one of claims 1-9.

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