Fan power prediction device capable of reducing vibration

Abstract

The utility model discloses a fan power prediction device capable of reducing vibration, which relates to the technical field of wind power generation and comprises a bottom plate, a mounting plate, a data prediction assembly and a buffer assembly. The bottom plate is mounted on the wind driven generator; the mounting plate and the bottom plate are arranged in parallel and are connected through an elastic piece; the data prediction assembly comprises an anemograph and a data processing center, the data processing center is fixedly mounted on the upper side of the mounting plate, the anemograph is erected on the upper side of the mounting plate through a supporting rod assembly, and the anemograph is electrically connected with the data processing center; the buffering assembly is arranged between the bottom plate and the mounting plate and used for relieving vibration of the mounting plate. By means of the arrangement, the fan power prediction device can be prevented from being affected or even damaged due to vibration.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power generation technical field, especially a fan power prediction device of vibration reduction. BACKGROUND

[0002] Wind power industry scale gradually expands, and wind power has become an important field of energy development, wind energy is intermittent energy, and active power and reactive power of a wind farm will change with wind speed, when analyzing the wind farm into a power system, the characteristics of the large output power fluctuation range of the wind farm need to be considered for some areas with rich wind energy resources, with the expansion of the construction scale of the wind farm, the proportion of the installed capacity of the wind farm in the local load increases, and the power fluctuation of the wind farm will have a certain impact on the operation of the regional power grid, in order to facilitate the power dispatching department to regulate and control the output of the wind farm, the wind farm generally needs to give a 72-hour wind power prediction, that is, a short-term wind power prediction.

[0003] The biggest defect of wind power generation is instability, and wind power generation itself has the characteristics of volatility, intermittency, low energy density and uncontrollability, so the wind power is also volatile and intermittent, and enough standby power and peak shaving capacity must be considered in the operation of the system to ensure that the wind power output is sufficient to normally supply power to users, which increases the difficulty of power grid planning and scheduling. Wind power prediction has become an indispensable part of the power system, but due to the rapid change of the seasons, different seasons and weather phenomena make it more difficult to accurately predict the wind conditions of the wind farm. However, the size of the wind power conforms to certain meteorological, climatic and seasonal rules, and through accurate short-term and medium-term prediction of the power generation capacity of the wind farm, the rotating reserve capacity of the power grid can be greatly reduced, thereby effectively reducing the cost of the wind power generation system and providing a reliable basis for power grid operation and dispatching.

[0004] However, part of the fan power prediction device is often installed on the wind turbine, and the vibration generated during the operation of the wind turbine affects the fan power prediction device, and the long-term vibration can also cause the fan power prediction device to be damaged due to the welding damage of the internal parts.

[0005] Therefore, how to provide a fan power prediction device which can prevent damage due to vibration is a technical problem to be solved by those skilled in the art at present. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a fan power prediction device which can reduce vibration and avoid the influence of vibration on the fan power prediction device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A vibration-damping wind turbine power prediction device comprises:

[0009] A base plate for mounting on a wind turbine;

[0010] A mounting plate arranged in parallel with the base plate and connected by elastic members therebetween;

[0011] A data prediction assembly comprising an anemometer and a data processing center, the data processing center being fixedly mounted on the upper side of the mounting plate, the anemometer being erected on the upper side of the mounting plate by a support rod assembly, the anemometer being electrically connected to the data processing center;

[0012] A buffer assembly arranged between the base plate and the mounting plate for damping the vibration of the mounting plate.

[0013] Preferably, the base plate and the mounting plate are both square plate-shaped structures, four elastic members are arranged between the base plate and the mounting plate, and the elastic members are all arranged at the corners.

[0014] Preferably, the elastic members are rubber columns.

[0015] Preferably, the support rod assembly comprises:

[0016] A mounting seat fixedly mounted on the upper side of the mounting plate;

[0017] A telescopic rod vertically mounted on the mounting seat, the telescopic rod being adjustable in length for supporting the anemometer and adjusting the height thereof;

[0018] A base arranged at the end of the telescopic rod away from the mounting seat, the base being adapted to the anemometer for mounting the anemometer.

[0019] Preferably, the telescopic rod is a hollow cylindrical structure, the inside of which is used for threading a data line for connecting the anemometer and the data processing center.

[0020] Preferably, the buffer assembly is arranged at the center between the base plate and the mounting plate.

[0021] Preferably, the buffer assembly comprises a total lug, two damping rods and two branch lugs, the total lug being fixedly mounted on the lower side of the mounting plate, one end of each of the two damping rods being rotatably connected to the two sides of the total lug, the two branch lugs being respectively connected to the other end of each of the two damping rods, and the end of each of the branch lugs away from the damping rod being rotatably connected to the upper side of the base plate.

[0022] Preferably, it further comprises a protective cover covering the periphery of the data prediction assembly, the protective cover being detachably mounted on the upper side of the mounting plate.

[0023] Preferably, the two sides of the protective cover are provided with heat dissipation holes and heat dissipation fans.

[0024] As preferred, the bottom plate corner position is provided with a mounting flange, and a mounting hole is formed in the mounting flange.

[0025] With respect to the above background technology, the utility model provides a kind of fan power prediction device of vibration reduction, comprising: bottom plate, mounting plate, data prediction component and buffer component;Bottom plate is used to install to wind driven generator;Mounting plate is arranged in parallel with bottom plate, and they are connected by elastic member;Data prediction component includes anemograph and data processing center, data processing center is fixedly installed on mounting plate upper side, and anemograph is erected on mounting plate upper side by support rod component, and anemograph is electrically connected with data processing center;Buffer component is arranged between bottom plate and mounting plate, for damping the vibration of mounting plate.

[0026] Specifically, bottom plate is directly installed on wind driven generator, and data prediction component is installed on mounting plate upper side, and in the embodiment, by setting elastic member and buffer component between bottom plate and mounting, the vibration of anemograph and data processing center on mounting plate upper side can be effectively absorbed, and then the adverse effects of vibration on data prediction component are reduced, so that the service life of fan power prediction device is prolonged, and even the prediction device is damaged. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the provided drawings.

[0028] Figure 1 The structure schematic diagram of the fan power prediction device with vibration reduction provided by the embodiment of the utility model is shown in the figure.

[0029] Figure 2 The structure schematic diagram of the fan power prediction device with vibration reduction provided by the embodiment of the utility model is shown in the figure.

[0030] Figure 3 For Figure 1 The side view of the fan power prediction device with vibration reduction provided by the embodiment of the utility model is shown in the figure.

[0031] Among them:

[0032] 1-bottom plate, 2-mounting plate, 3-elastic member, 4-anemograph, 5-data processing center, 6-mounting seat, 7-telescopic rod, 8-base, 9-total lug, 10-damping rod, 11-branch lug, 12-protective cover, 13-radiation fan, 14-mounting flange. DETAILED DESCRIPTION

[0033] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0034] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the position or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

[0036] The present application aims to provide a fan power prediction device capable of reducing vibration and avoiding the influence of vibration on the fan power prediction device.

[0037] To achieve the above-mentioned purpose, the present application provides the following technical solutions.

[0038] Please refer to Figures 1 to 3 The present application provides a fan power prediction device capable of reducing vibration, which comprises a bottom plate 1, a mounting plate 2, a data prediction assembly and a buffer assembly. The bottom plate 1 is used for mounting to a wind turbine generator. The mounting plate 2 is arranged in parallel with the bottom plate 1 and connected therebetween by an elastic member 3. The data prediction assembly comprises an anemograph 4 and a data processing center 5. The data processing center 5 is fixedly installed on the upper side of the mounting plate 2. The anemograph 4 is erected on the upper side of the mounting plate 2 by a support rod assembly. The anemograph 4 is electrically connected with the data processing center 5. The buffer assembly is arranged between the bottom plate 1 and the mounting plate 2, and is used for reducing the vibration of the mounting plate 2.

[0039] Specifically, as Figure 1 and Figure 2As shown, the base plate 1 as the basis of the fan power prediction device is used to carry the remaining components, and is responsible for direct connection with the wind turbine, of course, the connection mode of the two can be selected according to actual needs; the mounting plate 2 is supported by a plurality of elastic members 3 above the base plate 1, and the data processing assembly is specifically installed on the upper side of the mounting plate 2, the data processing center 5 is directly fixedly installed on the mounting plate 2, and the anemometer 4 is close to the data processing center 5 for detecting wind speed and transmitting the detection result to the data processing center 5 through a data line; the elastic member 3 arranged between the base plate 1 and the mounting plate 2 can absorb vibration when the data processing center 5 and the anemometer 4 vibrate; in addition, in order to enhance the damping effect, a buffer assembly is also arranged between the base plate 1 and the mounting plate 2, and the buffer assembly also has a certain elasticity, which can prevent excessive vibration of the mounting plate 2; in this embodiment, the elastic member 3 can be selected according to actual conditions.

[0040] That is, the base plate 1 is directly installed on the wind turbine, and the data prediction assembly is installed on the upper side of the mounting plate 2, and in this embodiment, the elastic member 3 and the buffer assembly arranged between the base plate 1 and the mounting plate 2 can effectively absorb the vibration of the anemometer 4 and the data processing center 5 on the upper side of the mounting plate 2, thereby reducing the adverse effects of vibration on the data prediction assembly, thereby prolonging the service life of the fan power prediction device.

[0041] In this embodiment, the base plate 1 and the mounting plate 2 are both square plate structures, and the sizes of the two are substantially the same, and the two are correspondingly arranged up and down, that is, each corner of the base plate 1 corresponds to each corner of the mounting plate 2; in addition, four elastic members 3 are arranged between the base plate 1 and the mounting plate 2 in this embodiment, and one elastic member 3 is arranged at each corner of the base plate 1 and the mounting plate 2; such arrangement not only ensures the damping effect of the fan power prediction device, but also saves manufacturing cost and reduces manufacturing difficulty.

[0042] Among them, the elastic member 3 in this embodiment is preferably a rubber column, of course, the elastic member 3 can also be selected according to actual conditions, such as a spring, which is not limited in this paper.

[0043] As shown in the figure, Figure 1 The support rod assembly includes a mounting seat 6, a telescopic rod 7 and a base 8; the mounting seat 6 is fixedly installed on the upper side of the mounting plate 2, and is close to the data processing center 5, wherein the mounting seat 6 can be connected with the mounting plate 2 by welding, which can improve the connection strength of the whole support rod assembly; and the telescopic rod 7 is vertically installed on the mounting seat 6 for supporting the anemometer 4, wherein the telescopic rod 7 can adjust the length of the telescopic rod 7 according to actual needs, so as to adjust the height of the anemometer 4, of course, in order to facilitate the end part of the telescopic rod 7 to support the anemometer 4, the base 8 matched with the anemometer 4 is also arranged and fixedly installed on the end of the telescopic rod 7 away from the mounting seat 6.

[0044] It can be understood that the anemometer 4 is electrically connected with the data processing center 5, thus to prevent the data line from being exposed and swinging randomly, the telescopic rod 7 is provided in a hollow cylindrical structure in the embodiment, the inside of which can pass the data line connecting the anemometer 4 and the data processing center 5; thus, to ensure the strength of the telescopic rod 7, the material thereof is preferably high-strength material, such as stainless steel.

[0045] In the embodiment, only one set of the buffering assembly is provided, which is arranged at the center between the bottom plate 1 and the mounting plate 2, and the damping effect achieved by being arranged at this position is optimal.

[0046] Specifically as shown in the figure, Figure 3 The buffering assembly includes a total lug 9, two damping rods 10 and two branch lugs 11, the total lug 9 is fixedly installed on the lower side of the mounting plate 2, and the specific connection mode can be welding, the two damping rods 10 are rotatably connected to the two sides of the total lug 9, that is, one end of the damping rod 10 is hinged to the two sides of the total lug 9, in addition, two branch lugs 11 are rotatably connected to the upper side of the bottom plate 1, and the other end of the branch lug 11 is connected to the end of the damping rod 10 away from the total lug 9, in the embodiment, the two branch lugs 11 and the damping rods 10 are symmetrically arranged, and by changing the connection position of the branch lug 11 and the bottom plate 1, the two branch lugs 11 are inclinedly arranged, in this way, when the vibration of the mounting plate 2 is too large, the damping rod 10 can achieve good damping effect.

[0047] In addition, to facilitate the protection of the data processing center 5 from being damaged by rain or sunlight, a square protective cover 12 is further arranged on the outer periphery of the data processing center 5, wherein the protective cover 12 can be detached from the mounting plate 2 at any time, and this arrangement can effectively improve the service life of the equipment.

[0048] It can be understood that, to provide good heat dissipation effect for the data center, heat dissipation holes are further arranged on the two sides of the protective cover 12, and heat dissipation fans 13 are installed near the heat dissipation holes.

[0049] Specifically as shown in the figure, Figure 1 To facilitate the installation of the bottom plate 1 to the wind turbine, mounting flanges 14 are further arranged at the four corner positions of the bottom plate 1, and mounting holes are formed in the mounting flanges 14, in this way, the wind turbine power prediction device can be conveniently installed or detached.

[0050] It should be noted that in the present specification, relational terms such as first and second are used only to distinguish one entity from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities.

[0051] The various embodiments are described in the specification by way of progression, each building on the last to facilitate ease of understanding. The same or similar reference numerals are used in the drawings and description to refer to the same or like parts, components and operations.

[0052] The above has carried out the detailed introduction to the embodiment provided by the utility model. The principle and implementation mode of the utility model are described by applying specific examples in this paper, and the above embodiment is only used for helping understanding the method and core thought of the utility model. It should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A vibration-damping wind turbine power prediction device, characterized in that, include: Base plate (1), used for mounting to the wind turbine; Mounting plate (2) is arranged parallel to the base plate (1) and the two are connected by elastic element (3); The data prediction component includes an anemometer (4) and a data processing center (5). The data processing center (5) is fixedly installed on the upper side of the mounting plate (2). The anemometer (4) is mounted on the upper side of the mounting plate (2) through a support rod assembly. The anemometer (4) is electrically connected to the data processing center (5). A buffer assembly is disposed between the base plate (1) and the mounting plate (2) to reduce the vibration of the mounting plate (2).

2. The vibration-damping wind turbine power prediction device according to claim 1, characterized in that, Both the base plate (1) and the mounting plate (2) are square plate structures. Four elastic elements (3) are provided between the base plate (1) and the mounting plate (2), and the elastic elements (3) are all located at the corners.

3. The vibration-damping wind turbine power prediction device according to claim 2, characterized in that, The elastic element (3) is a rubber column.

4. The vibration-damping wind turbine power prediction device according to claim 1, characterized in that, The support rod assembly includes: Mounting base (6) is fixedly installed on the upper side of the mounting plate (2); The telescopic rod (7) is vertically installed on the mounting base (6). The telescopic rod (7) is adjustable in length to support the anemometer (4) and adjust its height. A base (8) is provided at one end of the telescopic rod (7) away from the mounting base (6). The base (8) is adapted to the anemometer (4) and is used to install the anemometer (4).

5. The vibration-damping wind turbine power prediction device according to claim 4, characterized in that, The telescopic rod (7) is a hollow cylindrical structure, and its interior is used to thread data cables for connecting the anemometer (4) and the data processing center (5).

6. The vibration-damping wind turbine power prediction device according to claim 1, characterized in that, The buffer assembly is located at the center between the base plate (1) and the mounting plate (2).

7. The vibration-damping wind turbine power prediction device according to claim 6, characterized in that, The buffer assembly includes a main support lug (9), two damping rods (10) and two branch lugs (11). The main support lug (9) is fixedly installed on the lower side of the mounting plate (2). One end of each of the two damping rods (10) is rotatably connected to both sides of the main support lug (9). The two branch lugs (11) are respectively connected to the other ends of the two damping rods (10). The end of each branch lug (11) facing away from the damping rod (10) is rotatably connected to the upper side of the base plate (1).

8. The vibration-damping wind turbine power prediction device according to claim 1, characterized in that, It also includes a protective cover (12) covering the periphery of the data prediction component, the protective cover (12) being detachably mounted on the upper side of the mounting plate (2).

9. The vibration-damping wind turbine power prediction device according to claim 8, characterized in that, The protective cover (12) is provided with heat dissipation holes and cooling fans (13) on both sides.

10. The vibration-damping wind turbine power prediction device according to claim 1, characterized in that, The base plate (1) is provided with a mounting flange (14) at the corner, and the mounting flange (14) is provided with mounting holes.

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