CN214741815U

CN214741815U - Wind power generation system with front wind measurement

Info

Publication number: CN214741815U
Application number: CN202121056035.9U
Authority: CN
Inventors: 张庆; 张立英; 李芊
Original assignee: Huaneng Clean Energy Research Institute
Current assignee: Huaneng Clean Energy Research Institute
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-16
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a wind power generation system with front wind measurement, which comprises a hub, a flow guide cover, a cabin and a front wind measurement device; the hub is provided with blades and is connected with the engine room through a rotating shaft; the hub is provided with a flow guide cover; the front wind measuring device comprises a fixed seat, a first electric telescopic rod and a wind meter; the fixed seat is arranged in the center of the front end of the hub; the fixed seat is provided with a first electric telescopic rod; the anemoscope is installed to first electric telescopic handle front end. The utility model avoids the influence of the wind wheel rotation of the traditional wind generating set on the downstream wind measurement by arranging the wind measurement equipment in front, and improves the wind measurement precision; the utility model discloses leading anemometry device can contract and get into the kuppe in, avoids extreme weather to anemometry device's damage.

Description

Wind power generation system with front wind measurement

Technical Field

The utility model belongs to the technical field of wind power generation, in particular to wind power generation system of leading anemometry.

Background

For a traditional wind power generator, a mechanical anemoclinograph or a laser radar anemoscope and other wind measuring equipment are generally installed at the top of a cabin of the traditional wind power generator. The rotation of the wind wheel inevitably causes turbulence influence on the downstream of the wind wheel, so that the wind speed measured by the wind measuring equipment at the top of the cabin is strongly interfered, accurate reference cannot be provided for wind condition information, and the wind direction measuring precision is also influenced by the turbulence influence, so that the wind measuring result of the wind measuring equipment arranged at the top of the cabin can only be used as a monitoring variable for the operation of the wind generating set, and cannot be used as a control variable for regulating the action of the wind generating set.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind power generation system of leading anemometry can avoid the wind wheel rotation to the influence that the anemometry brought to improve the anemometry precision, and then realize that the unit utilizes the anemometry result to carry out the accurate control of change oar or driftage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wind power generation system with front wind measurement comprises a hub, a flow guide cover, a cabin and a front wind measurement device;

the hub is provided with blades and is connected with the engine room through a rotating shaft;

the hub is provided with a flow guide cover;

the front wind measuring device comprises a fixed seat, a first electric telescopic rod and a wind meter; the fixed seat is arranged in the center of the front end of the hub; the fixed seat is provided with a first electric telescopic rod; the anemoscope is installed to first electric telescopic handle front end.

The utility model discloses further improvement lies in: the anemoscope comprises a anemoscope and an anemoscope.

The utility model discloses further improvement lies in: the anemoscope is a laser anemoscope.

The utility model discloses further improvement lies in: also comprises a rotary seat; the rotary seat is arranged at the front end of the first electric telescopic rod; the anemoscope is arranged on the rotary seat.

The utility model discloses further improvement lies in: the rotary seat is installed at the front end of the first electric telescopic rod through a bearing.

The utility model discloses further improvement lies in: the first electric telescopic rod comprises a fixed end and a telescopic end; the fixed end is fixed on the fixed seat; the front end of the telescopic end is provided with a rotary seat through a bearing; a counterweight is fixed below the rotary seat.

The utility model discloses further improvement lies in: the front end of the air guide sleeve is provided with a plurality of petal-shaped shells; the petal-shaped shell can be opened or closed by being driven by a driving structure.

The utility model discloses further improvement lies in: when the plurality of petal-shaped shells are in an open state, a channel which can be used for the front wind measuring device to extend from the inside of the air guide sleeve to the front end of the air guide sleeve is formed in the front part of the air guide sleeve.

The utility model discloses further improvement lies in: the rotary seat is provided with an electric heating piece.

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

1. the utility model relates to a leading anemometry's wind power generation system through leading with anemometry equipment, has avoided the rotatory influence to its downstream anemometry of traditional wind generating set wind wheel, has improved the anemometry precision.

2. The utility model relates to a leading anemometry's wind power generation system can perceive unit the place ahead wind condition information in advance, is convenient for change oar or yaw control more accurately, reduces unit fatigue load.

3. The utility model relates to a leading anemometry's wind power generation system, leading anemometry device can shrink and get into the kuppe in, avoid extreme weather to anemometry device's damage.

4. The utility model relates to a wind power generation system with a front wind measuring device, wherein a rotary block is arranged in the front wind measuring device, and when a first electric telescopic rod rotates along with a wheel hub, a rotary seat can not rotate along with the first electric telescopic rod; meanwhile, the balance weight is arranged, so that the anemoscope is always in a vertical state, and the direction and the wind speed can be measured stably and accurately.

5. The utility model relates to a leading anemometry's wind power generation system through setting up the heating plate, can prevent that the anemoscope from being frozen, guarantees the accuracy of measuring wind direction and wind speed.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:

fig. 1 is a schematic view of a front wind measuring device in a front wind measuring wind power generation system according to the present invention;

fig. 2 is a schematic view of the open state of the air guide sleeve in the wind power generation system with front wind measurement of the present invention;

fig. 3 is a schematic view of the front wind measuring device in the wind power generation system for front wind measurement according to the present invention being retracted into the wind deflector;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a schematic view of another embodiment of a front wind-measuring wind power generation system according to the present invention;

fig. 6 is a schematic view of another embodiment of a wind power generation system with a front wind meter according to the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.

Example 1

Referring to fig. 1 to 4, the present invention provides a wind power generation system with a front wind measurement device, which includes a hub 1, a nacelle 2, a nacelle 3 and a front wind measurement device 4.

The hub 1 is provided with blades 11, and the hub 1 is connected with the nacelle 3 through a rotating shaft.

The hub 1 is provided with a flow guiding cover 2.

The front wind measuring device 4 comprises a fixed seat 41, a first electric telescopic rod, a rotary seat 44, a wind measuring instrument and a balance weight 46. The anemometers include a anemoscope 45 and an anemometer 47. The fixed seat 41 is arranged in the center of the front end of the hub 1, and the fixed seat 1 is provided with a first electric telescopic rod; the first electric telescopic rod comprises a fixed end 42 and a telescopic end 43. The fixed end 42 is fixed on the fixed seat 1. The front end of the telescopic end 43 is provided with a rotary seat 44 through a bearing; a wind direction indicator 45 is fixedly connected above the rotary seat 44; an anemoscope 47 and a counterweight 46 are fixed below the rotary base 44.

Referring to fig. 1 to 4, the front end of the air guide sleeve 2 has a plurality of petal-shaped shells 21; when the front wind measuring device 4 is used, the petal-shaped shell 21 is opened, the front wind measuring device 4 is pushed to the outside of the air guide sleeve 2 through the extension of the first electric telescopic rod, and then the petal-shaped shell 21 is closed. Thus, the front wind measuring device 4 can work at the front end of the air guide sleeve.

The utility model provides a wind power generation system with preposed wind measurement, when in work, a first electric telescopic rod rotates along with a wheel hub, and a rotary seat 44 is arranged on a telescopic end 43 through a bearing, so that the rotary seat can not rotate along with the telescopic end 43; due to the effect of the counterweight 46, the anemoscope 45 and the anemoscope 47 are always in the vertical state, and the wind direction and the wind speed can be stably and accurately measured.

The utility model discloses in, the anemoscope can also be replaced by laser anemoscope.

Example 2

Referring to fig. 5, in the wind power generation system for forward wind measurement of the present embodiment 2, on the basis of the embodiment 1, a plurality of second electric telescopic rods 22 are disposed inside the nacelle 2. Every lamella form casing 21 department sets up a second electric telescopic handle 22, can open or close lamella form casing 21 through the flexible of second electric telescopic handle 22 for leading anemometry device 4 can stretch out or retrieve and avoid extreme weather's destruction. The tip of each petal-shaped shell 21 is arc-shaped and matched with the telescopic end 43, and in a furled state, the tip just surrounds the periphery of the telescopic end 43 to form a circle, so that gas can be prevented from entering the air guide sleeve and the cabin.

Example 3

Referring to fig. 6, in the wind power generation system with front wind measurement of this embodiment 3, on the basis of

embodiment

1 or 2, the electric heating sheet 441 is additionally installed on the outer periphery of the revolving base 44, and in a severe cold weather, the heating sheet 441 can be started to heat, so as to prevent the anemoscope 45 and the anemoscope 47 from being frozen and affecting the accuracy of measuring the wind direction and the wind speed.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A wind power generation system with a front wind measuring function is characterized by comprising a hub (1), a flow guide cover (2), a cabin (3) and a front wind measuring device (4);

blades (11) are arranged on the hub (1), and the hub (1) is connected with the engine room (3) through a rotating shaft;

the hub (1) is provided with a flow guide cover (2);

the front wind measuring device (4) comprises a fixed seat (41), a first electric telescopic rod and a wind measuring instrument; the fixed seat (41) is arranged in the center of the front end of the hub (1); a first electric telescopic rod is arranged on the fixed seat (41); the anemoscope is installed to first electric telescopic handle front end.

2. A wind power system according to claim 1, wherein said anemometer comprises a anemometer (45) and a anemometer (47).

3. The front anemometry wind power generation system of claim 1, wherein the anemometer is a laser anemometer.

4. A front weathervaning wind power generation system according to any one of claims 1 to 3, further comprising a turret (44); the rotary seat (44) is arranged at the front end of the first electric telescopic rod; the anemometer is arranged on the rotary seat (44).

5. The wind power generation system of claim 4, wherein the rotary base (44) is mounted at the front end of the first electric telescopic rod through a bearing.

6. A wind power system according to claim 5, wherein said first electric telescopic pole comprises a fixed end (42) and a telescopic end (43); the fixed end (42) is fixed on the fixed seat (41); the front end of the telescopic end (43) is provided with a rotary seat (44) through a bearing; a counterweight (46) is fixed below the rotary seat (44).

7. A front weathervaning wind power generation system according to claim 1, characterized in that the front end of the nacelle (2) has a plurality of petal housings (21); the petal-shaped shell (21) can be opened or closed by being driven by a driving structure.

8. A front anemometric wind power generation system according to claim 7, characterized in that the flap-like shells (21) form, in the open position, a passage in front of the nacelle (2) through which the front anemometric device (4) can extend from inside the nacelle (2) to the front end of the nacelle (2).

9. The forward anemometry wind power generation system as claimed in claim 4, wherein an electric heating plate (441) is mounted on the rotary base (44).