CN115478981A - Wind power plant tower inclination monitoring system and accurate wind alignment method - Google Patents

Abstract

The invention discloses a wind power plant tower cylinder inclination monitoring system and a precise wind aligning method, which comprise a wind power generator and an annular base, wherein an auxiliary plate is arranged on the wind power generator, an inclination angle sensor capable of monitoring the inclination angle of the wind power generator in real time is arranged on the auxiliary plate, the wind power generator is positioned in the annular base, concrete columns are arranged on the periphery of the bottom of the annular base, an anti-deviation mechanism is arranged on a tower cylinder of the wind power generator, the inclination angle of the tower cylinder when the wind speed is stable can be monitored in real time through the arrangement of the inclination angle sensor, so that the wind direction can be accurately identified and calibrated, the wind power generator can quickly adjust the direction of a fan blade according to the wind direction, so that precise wind aligning can be realized, the inclined tower cylinder can be supported through the arrangement of the anti-deviation mechanism, and the length and the angle of a supporting square plate can be finely adjusted under the matching of a first electric telescopic rod and a second electric telescopic rod, so that the inclination of the tower cylinder can be corrected.

Description

A Wind Farm Tower Tilt Monitoring System and Accurate Wind Control Method

technical field

The invention relates to the technical field of wind farm tower inclination monitoring, in particular to a wind farm tower inclination monitoring system and a precise wind-facing method.

Background technique

Wind power generation refers to the conversion of wind kinetic energy into electrical energy. Wind energy is a clean and pollution-free renewable energy source that has been used by people for a long time. Due to the huge capacity, it has been paid more and more attention. Due to the high tower of the wind turbine, the unit will bear various loads during the operation of the wind turbine, such as static load, steady load, cyclic load, etc., which will cause wind power Therefore, it is necessary to use the tower inclination monitoring system to monitor the inclination of the tower in real time.

However, the traditional wind farm tower inclination monitoring system has poor detection accuracy for the inclination of the tower, and cannot quickly detect the inclination of the tower. If it collapses due to excessive inclination, the inclination of the tower cannot be accurately detected, and the wind direction cannot be accurately monitored, which means that the wind turbine cannot be accurately aligned with the wind, which greatly reduces the power generation efficiency. Therefore, a A wind farm tower inclination monitoring system and an accurate wind-facing method.

Contents of the invention

The purpose of the present invention is to provide a wind farm tower inclination monitoring system and a precise wind-facing method to solve the problem that the traditional wind farm tower inclination monitoring system proposed in the above background technology has poor detection accuracy of the tower inclination and cannot Quickly detect the inclination of the tower, and at the same time cannot make a series of protective support actions when the tower is tilted, which may easily cause the tower to collapse due to excessive tilt, and at the same time, it is impossible to make the wind turbine accurately face the wind.

In order to achieve the above object, the present invention provides the following technical solutions: a wind farm tower tilt monitoring system, including a wind generator and an annular base, the wind generator is provided with an auxiliary board, and the auxiliary board is provided with a An inclination sensor for real-time monitoring of the inclination of the machine, the wind power generator is located in the ring base, the bottom of the ring base is surrounded by concrete columns, the bottom of the concrete columns is set with a concrete base, and the wind power generator The tower is equipped with an anti-deviation mechanism.

Preferably, the anti-deviation mechanism includes a first rotating bearing rotatably installed on the wind turbine tower, the outer ring of the first rotating bearing is fixedly connected with a fixed cylinder, and the top ring of the inner cavity of the fixed cylinder A plurality of groups of teeth are evenly arranged, and one side of the wind power generator tower is fixedly connected with a mounting plate, and a motor is embedded on the mounting plate, and the output end of the motor is fixedly connected with a motor that can mesh with the teeth. gear, one side of the fixed cylinder is rotatably equipped with a square hollow column, and a support square plate is slid inside the square hollow column, and one end of the support square plate is fixedly connected with a positioning seat used in conjunction with the ring base. The left side of the square hollow column is fixedly connected with a block, and a first electric telescopic rod is inserted in the block, and one end of the first electric telescopic rod is fixedly connected with a butt plate and one side of the butt plate is fixedly connected to the supporting side. board.

Preferably, the anti-deviation mechanism further includes a second rotating bearing rotatably installed on the wind turbine tower and the second rotating bearing is located below the first rotating bearing, and the outer ring of the second rotating bearing is fixedly connected There is an auxiliary ring, and one side of the auxiliary ring is rotatably equipped with a second electric telescopic rod, and the piston rod of the second electric telescopic rod is rotatably mounted on a square hollow column.

Preferably, the fixed cylinder and the auxiliary ring are fixedly connected with a plurality of sets of butt-joint posts around the sides close to each other, and the number of the butt-joint posts is at least five sets.

Preferably, diagonal stay rods are fixedly connected to the bottoms of the front and back of the support square plate, and one end of the diagonal stay rods is fixedly connected to the positioning seat.

Preferably, the diameter of the concrete column is smaller than that of the concrete base, and three groups of concrete tie rods are uniformly arranged on the surface of the concrete base, and a concrete slab is arranged at the end of the concrete tie rods away from the concrete base.

Preferably, the positioning seat has an arc-shaped structure, and the number of the concrete columns is at least four groups.

A method for accurately facing the wind of a wind farm tower, comprising the following steps:

S1. Use the inclination sensor to monitor the inclination angle of the wind turbine tower in real time when the wind speed is stable, and transmit the detection data to the background control terminal, so as to accurately identify and calibrate the wind direction. At this time, the background control terminal can quickly adjust according to the wind direction The direction of the fan blades in order to achieve precise wind;

S2. At the same time, the background control terminal can quickly turn on the motor after receiving the inclination azimuth and inclination information of the tower tube transmitted by the inclination sensor. At this time, the motor can drive the gear to rotate. If it rotates upward, the gear and the teeth can drive the fixed cylinder to rotate around the first rotating bearing until the square hollow column, supporting square plate and positioning seat are rotated to the inclined side of the wind turbine tower ;

S3. At this time, the background control terminal controls the opening of the first electric telescopic rod and the second electric telescopic rod. At this time, the second electric telescopic rod can drive the square hollow column, the support square plate and the positioning seat to swing, and at the same time use the first electric telescopic rod Control the telescopic length of the supporting square plate in the square hollow column until the positioning seat quickly contacts the ring base, so that the inclined tower can be supported. With the continuous control of the first electric telescopic rod and the second electric telescopic rod, further The length and angle of the supporting square plate are fine-tuned so that the inclination of the tower can be corrected, which can effectively prevent the tower from collapsing due to excessive inclination.

Compared with prior art, the beneficial effect of the present invention is:

1. In the present invention, by setting an inclination sensor, the inclination sensor can be used to monitor the inclination angle of the tower deflection in real time when the wind speed is stable, so as to accurately identify and calibrate the wind direction, so that the wind turbine can quickly adjust the direction of the fan blades according to the wind direction, In order to achieve precise wind-facing, by setting the anti-deviation mechanism, after receiving the inclination azimuth and inclination information transmitted from the inclination sensor to the background control terminal, with the cooperation of the motor, the square hollow column, supporting square plate and positioning seat can be rotated To the inclined side of the wind turbine tower, and with the cooperation of the first electric telescopic rod and the second electric telescopic rod, the telescopic length and swing angle of the square hollow column and the supporting square plate can be controlled, so that the positioning seat can be adjusted Quickly contact the ring base and support the inclined tower, and with the cooperation of the first electric telescopic rod and the second electric telescopic rod, fine-tune the length and angle of the supporting square plate, so that it can adjust the tower The correction of the inclination can effectively avoid the excessive inclination of the tower, which will cause the collapse of the tower and affect the normal use of the wind turbine.

2. In the present invention, by setting multiple sets of docking columns, the fixed cylinder and the auxiliary ring can be connected into a whole, so that the fixed cylinder and the auxiliary ring can rotate synchronously to avoid hysteresis. support, so that the positioning seat can fit closely with the ring base.

Description of drawings

Fig. 1 is a structural schematic diagram of a wind farm tower tilt monitoring system of the present invention;

Fig. 2 is a structural rear view of a wind farm tower tilt monitoring system of the present invention;

Fig. 3 is the structural sectional view of square hollow column of the present invention;

Fig. 4 is a partial perspective view of the structure of the anti-deviation mechanism of the present invention;

Fig. 5 is a structural perspective view of the first rotating bearing, fixed cylinder and teeth of the present invention;

Fig. 6 is a structural bottom view of the annular base of the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 1 .

In the figure: 1. Wind power generator; 2. Ring base; 3. Concrete column; 4. Concrete base; 5. Concrete tie rod; 6. Inclination sensor; Fixed cylinder; 703, teeth; 704, motor; 705, gear; 706, square hollow column; 707, support square plate; 708, positioning seat; 709, the first electric telescopic rod; Electric telescopic link; 712, second rotating bearing; 713, auxiliary ring; 8, mounting plate; 9, box; 10, diagonal stay rod;

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Please refer to Figures 1-7, the present invention provides a technical solution: a wind farm tower tilt monitoring system, including a wind power generator 1 and an annular base 2, the wind power generator 1 is provided with an auxiliary board, and the auxiliary board is set There is an inclination sensor 6 that can monitor the inclination of the wind power generator 1 in real time. The design of the inclination sensor 6 can monitor the inclination of the tower in real time when the wind speed is stable by using the inclination sensor 6, so as to accurately identify and calibrate the wind direction. So that the wind turbine 1 can quickly adjust the direction of the fan blades according to the wind direction, so as to achieve accurate wind, the wind turbine 1 is located in the ring base 2, and the bottom of the ring base 2 is surrounded by concrete columns 3, and the bottom of the concrete column 3 is set There is a concrete base 4, and the tower of the wind power generator 1 is provided with an anti-offset mechanism 7. The design of the anti-offset mechanism 7, after receiving the inclination azimuth and inclination information transmitted from the inclination sensor 6 to the background control terminal, the motor With the cooperation of 704, the square hollow column 706, the support square plate 707 and the positioning seat 708 can be rotated to the inclined side of the tower of the wind power generator 1, and with the cooperation of the first electric telescopic rod 709 and the second electric telescopic rod 711 Next, the telescopic length and swing angle of the square hollow column 706 and the supporting square plate 707 can be controlled, so that the positioning seat 708 can quickly contact the annular base 2, and support the inclined tower tube, and the first electric telescopic rod Under the cooperation of 709 and the second electric telescopic rod 711, the length and angle of the support square plate 707 are fine-tuned, so that the inclination of the tower can be corrected, which can effectively prevent the tower from being too tilted, causing the tower to collapse and affecting Normal use of the wind turbine 1.

Example 2

Please refer to Figures 1-7, the present invention provides a technical solution: a wind farm tower tilt monitoring system, including a wind power generator 1 and an annular base 2, the wind power generator 1 is provided with an auxiliary board, and the auxiliary board is set There is an inclination sensor 6 that can monitor the inclination of the wind power generator 1 in real time. The design of the inclination sensor 6 can monitor the inclination of the tower in real time when the wind speed is stable by using the inclination sensor 6, so as to accurately identify and calibrate the wind direction. So that the wind turbine 1 can quickly adjust the direction of the fan blades according to the wind direction, so as to achieve accurate wind, the wind turbine 1 is located in the ring base 2, and the bottom of the ring base 2 is surrounded by concrete columns 3, and the bottom of the concrete column 3 is set There is a concrete base 4, the diameter of the concrete column 3 is smaller than the diameter of the concrete base 4, three groups of concrete tie rods 5 are evenly arranged on the surface of the concrete base 4, and the end of the concrete tie rods 5 away from the concrete base 4 is provided with a concrete plate, the concrete tie rods 5 and the concrete plate The design further increases the area where the concrete base 4 is embedded in the ground, makes the concrete base 4 firmer, and further improves the stability of the annular base 2. The tower of the wind power generator 1 is provided with an anti-deviation mechanism 7 to prevent The offset mechanism 7 includes a first rotary bearing 701 that is rotatably installed on the tower of the wind power generator 1. The outer ring of the first rotary bearing 701 is fixedly connected with a fixed cylinder 702. The top ring of the fixed cylinder 702 is evenly arranged with multiple A set of teeth 703, one side of the tower of the wind power generator 1 is fixedly connected with a mounting plate 8, and a motor 704 is embedded on the mounting plate 8, and the output end of the motor 704 is fixedly connected with a gear 705 that can mesh with the teeth 703, One side of the fixed cylinder 702 is rotated with a square hollow column 706, and a support square plate 707 is slidably arranged in the square hollow column 706. One end of the support square plate 707 is fixedly connected with a positioning seat 708 used in conjunction with the ring base 2. The support square The bottom of the front and the back of the plate 707 is fixedly connected with a diagonal tie rod 10, and one end of the diagonal stay rod 10 is fixedly connected on the positioning seat 708. The design of the diagonal stay rod 10 can support the positioning seat 708, so that the positioning seat 708 can be connected with the ring base. 2 closely fit, the left side of the square hollow column 706 is fixedly connected with a square 9, and a first electric telescopic rod 709 is inserted in the square 9, and one end of the first electric telescopic rod 709 is fixedly connected with the butt plate 710 and the butt plate 710 One side is fixedly connected to the supporting square plate 707, and the anti-deviation mechanism 7 also includes a second rotating bearing 712 rotatably installed on the tower of the wind power generator 1, and the second rotating bearing 712 is located below the first rotating bearing 701, The outer ring of the second rotating bearing 712 is fixedly connected with an auxiliary ring 713, and one side of the auxiliary ring 713 is rotatably equipped with a second electric telescopic rod 711, and the piston rod of the second electric telescopic rod 711 is rotatably mounted on a square hollow column 706. , the design of the anti-deviation mechanism 7, after receiving the inclination orientation and inclination information transmitted from the inclination sensor 6 to the background control terminal, under the cooperation of the motor 704, the square hollow column 706, the supporting square plate 707 and the positioning seat 70 8 Rotate to the inclined side of the tower of wind power generator 1, and with the cooperation of the first electric telescopic rod 709 and the second electric telescopic rod 711, the telescopic length and swing angle of the square hollow column 706 and the supporting square plate 707 can be adjusted. Control, so that the positioning seat 708 can quickly contact the annular base 2, and support the inclined tower, and under the cooperation of the first electric telescopic rod 709 and the second electric telescopic rod 711, the length of the supporting square plate 707 and the angle are fine-tuned so that the inclination of the tower can be corrected, which can effectively prevent the tower from being too tilted, resulting in the collapse of the tower and affecting the normal use of the wind turbine 1. The fixed cylinder 702 and the auxiliary ring 713 are close to each other. There are multiple sets of butt posts 11 fixedly connected, the number of butt posts 11 is at least five groups, and the design of at least five sets of butt posts 11 can connect the fixed cylinder 702 and the auxiliary ring 713 into a whole, so that the fixed cylinder 702 and the auxiliary ring 713 can be connected together. The ring 713 can rotate synchronously to avoid hysteresis. The positioning seat 708 has an arc-shaped structure, which can better fit the shape of the annular base 2 . The number of concrete columns 3 is at least four groups, which further improves the stability of the annular base 2 .

A method for accurately facing the wind of a wind farm tower, comprising the following steps:

S1. Use the inclination sensor 6 to monitor in real time the inclination angle of the wind turbine 1 tower deflection when the wind speed is stable, and transmit the detection data to the background control terminal, so as to accurately identify and calibrate the wind direction. At this time, the background control terminal can according to the wind direction Quickly adjust the direction of the fan blades to achieve precise wind;

S2. At the same time, the background control terminal can quickly turn on the motor 704 after receiving the inclination azimuth and inclination information of the tower tube transmitted by the inclination sensor 6. At this time, the motor 704 can drive the gear 705 to rotate. Since the fixed cylinder 702 is movable Rotating on the first rotating bearing 701, under the cooperation of the gear 705 and the teeth 703, the fixed cylinder 702 can be driven to rotate around the first rotating bearing 701 until the square hollow column 706, the supporting square plate 707 and the positioning The seat 708 is rotated to the inclined side of the tower of the wind power generator 1;

S3. At this time, the background control terminal controls the opening of the first electric telescopic rod 709 and the second electric telescopic rod 711. At this time, the second electric telescopic rod 711 can drive the square hollow column 706, the supporting square plate 707 and the positioning seat 708 to swing, and at the same time Use the first electric telescopic rod 709 to control the telescopic length of the support square plate 707 in the square hollow column 706 until the positioning seat 708 quickly contacts the annular base 2, so that the inclined tower can be supported. The telescopic rod 709 and the second electric telescopic rod 711 can further fine-tune the length and angle of the supporting square plate 707, so that the inclination of the tower can be corrected, which can effectively prevent the tower from being too inclined and collapsing.

However, as is well known to those skilled in the art, the working principles and wiring methods of the inclination sensor 6, the motor 704, the first electric telescopic rod 709 and the second electric telescopic rod 711 are commonplace, and they all belong to conventional means or common knowledge. It will not be described in detail here, and those skilled in the art can make arbitrary selections according to their needs or convenience.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. A wind farm tower tilt monitoring system, comprising a wind power generator (1) and an annular base (2), characterized in that: the wind power generator (1) is provided with an auxiliary plate, and the auxiliary plate is provided with An inclination sensor (6) capable of real-time monitoring of the inclination of the wind-driven generator (1), the wind-driven generator (1) is located in the ring-shaped base (2), and the bottom of the ring-shaped base (2) is provided with A concrete column (3), the bottom of the concrete column (3) is provided with a concrete base (4), and the tower of the wind power generator (1) is provided with an anti-deviation mechanism (7). 2. A wind farm tower inclination monitoring system according to claim 1, characterized in that: the anti-deviation mechanism (7) includes a first rotating device installed on the tower of the wind power generator (1). Bearing (701), the outer ring of the first rotating bearing (701) is fixedly connected with a fixed cylinder (702), and the top ring of the inner cavity of the fixed cylinder (702) is evenly provided with multiple groups of teeth (703), so A mounting plate (8) is fixedly connected to one side of the tower of the wind power generator (1), and a motor (704) is embedded on the mounting plate (8), and the output end of the motor (704) is fixedly connected to a A gear (705) that meshes with the teeth (703), a square hollow column (706) is rotatably installed on one side of the fixed cylinder (702), and a supporting square plate is slidingly installed inside the square hollow column (706) (707), one end of the supporting square plate (707) is fixedly connected with a positioning seat (708) used in conjunction with the annular base (2), and the left side of the square hollow column (706) is fixedly connected with a square (9) , the box (9) is inserted with a first electric telescopic rod (709), one end of the first electric telescopic rod (709) is fixedly connected to the butt plate (710) and one side of the butt plate (710) is fixed Connect on the supporting square plate (707). 3. A wind farm tower tilt monitoring system according to claim 1, characterized in that: the anti-deviation mechanism (7) also includes a second rotating device installed on the tower of the wind power generator (1). The rotating bearing (712) and the second rotating bearing (712) are located below the first rotating bearing (701), the outer ring of the second rotating bearing (712) is fixedly connected with an auxiliary ring (713), and the auxiliary ring ( One side of 713) is rotatably equipped with a second electric telescopic rod (711), and the piston rod of the second electric telescopic rod (711) is rotatably mounted on a square hollow column (706). 4. A wind farm tower inclination monitoring system according to claim 2, characterized in that: the fixed cylinder (702) and the auxiliary ring (713) are fixedly connected with multiple groups of docking columns (11) around each other. ), the number of the butt posts (11) is at least five groups. 5. A wind farm tower tilt monitoring system according to claim 2, characterized in that: the bottoms of the front and back sides of the support square plate (707) are fixedly connected with diagonal stay rods (10), and the diagonal stay rods One end of (10) is fixedly connected on the positioning seat (708). 6. A wind farm tower tilt monitoring system according to claim 1, characterized in that: the diameter of the concrete column (3) is smaller than the diameter of the concrete base (4), and the surface of the concrete base (4) Three groups of concrete tie rods (5) are evenly arranged, and a concrete plate is arranged at the end of the concrete tie rods (5) away from the concrete base (4). 7. A wind farm tower tilt monitoring system according to claim 2, characterized in that: the positioning seat (708) has an arc-shaped structure, and the number of the concrete columns (3) is at least four groups. 8. The precise wind-facing method for a wind farm tower according to any one of claims 1-7, characterized in that it comprises the following steps: S1. Use the inclination sensor (6) to monitor in real time the inclination angle of the wind turbine (1) tower deflection when the wind speed is stable, and transmit the detection data to the background control terminal, so as to accurately identify and calibrate the wind direction. At this time, the background control The terminal can quickly adjust the direction of the fan blades according to the wind direction in order to achieve precise wind; S2. At the same time, the background control terminal can quickly turn on the motor (704) after receiving the inclination azimuth and inclination information of the tower transmitted by the inclination sensor (6). At this time, the motor (704) can drive the gear (705). Rotate, because the fixed cylinder (702) can rotate on the first rotating bearing (701), then under the cooperation of the gear (705) and the teeth (703), it can drive the fixed cylinder (702) to rotate with the first rotating bearing ( 701) is rotated as the center until the square hollow column (706), the support square plate (707) and the positioning seat (708) are rotated to the inclined side of the wind turbine (1) tower; S3. At this time, the background control terminal controls the opening of the first electric telescopic rod (709) and the second electric telescopic rod (711). At this time, the second electric telescopic rod (711) can drive the square hollow column (706), the supporting square plate ( 707) and positioning seat (708) to swing, while utilizing the first electric telescopic rod (709) to control the telescopic length of the support square plate (707) in the square hollow column (706), until the positioning seat (708) quickly touches the ring base (2) Contact, so that the inclined tower can be supported, along with the continuous control of the first electric telescopic rod (709) and the second electric telescopic rod (711), the length and angle of the supporting square plate (707) can be further adjusted Fine-tuning is performed so that the inclination of the tower can be corrected, which can effectively avoid the collapse of the tower due to excessive inclination.

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