CN220566177U

CN220566177U - Wind direction adjusting device of wind generating set

Info

Publication number: CN220566177U
Application number: CN202322424181.8U
Authority: CN
Inventors: 洪博
Original assignee: Zhejiang Yidao Electric Power Co ltd
Current assignee: Zhejiang Yidao Electric Power Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-03-08
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses a wind direction adjusting device of a wind generating set, which comprises a supporting column, wherein an impeller set is rotatably arranged at the upper end of the supporting column, a driving mechanism for driving the impeller set to rotate is arranged at the upper end of the supporting column, a wind vane is arranged at the tail end of the impeller set, an electric control mechanism is connected at the bottom end of the wind vane, and the electric control mechanism is electrically connected with the driving mechanism and controls the starting and stopping of the driving mechanism. The wind vane rotates to drive the electric control mechanism to generate mechanical motion to close and open the circuit of the driving mechanism, so that the wind vane has higher electromagnetic interference resistance.

Description

Wind direction adjusting device of wind generating set

Technical Field

The utility model relates to the field of wind driven generators, in particular to a wind direction adjusting device of a wind generating set.

Background

The wind driven generator is a generator which drives the impeller to rotate by wind power to drive the generator to work. In the use process of the wind driven generator, when the wind direction changes, if the wind driven generator cannot adjust the direction in time, wind energy is lost, and unnecessary loss is caused; if the impeller is not properly oriented, unnecessary loading of the machine may occur, resulting in damage. Therefore, the wind power generator can timely and accurately adjust the direction of the impeller, and is important for ensuring the stability and safety of the wind power generator.

The existing wind power generator wind direction adjusting device generally senses the change of wind direction through a wind direction sensor, the wind direction sensor transmits an electric signal to a Processor (PLC), the processor processes the signal and then transmits the signal to a controller, and finally the controller controls a driving device to work so as to drive an impeller to turn, because larger electromagnetic interference is easy to generate in the working process of the wind power generator, the risk that a measuring result of the wind direction sensor generates larger error exists, and therefore the direction of the impeller cannot be accurately adjusted.

Disclosure of Invention

The utility model aims to provide a wind direction adjusting device of a wind generating set, which drives an electric control mechanism to generate mechanical movement to close and open a circuit of a driving mechanism through rotation of a wind vane, so that the wind direction adjusting device has higher electromagnetic interference resistance.

The utility model solves the problems by adopting the following technical scheme:

the utility model provides a wind direction adjusting device of wind generating set, includes the support column, the upper end of support column rotate and be provided with the impeller group, the upper end of support column is provided with the drive impeller group pivoted actuating mechanism, the tail end of impeller group is provided with the wind vane, the bottom of wind vane be connected with electric control mechanism, electric control mechanism and actuating mechanism between the electricity be connected and electric control mechanism control actuating mechanism's start-stop.

In the above technical scheme, preferably, the driving mechanism comprises a driving motor fixed in the supporting column, a transmission gear is fixed on a rotating shaft of the driving motor, an inner gear ring is arranged at the bottom end of the impeller group, and the inner gear ring is meshed with the transmission gear.

Among the above-mentioned technical scheme, preferably, automatically controlled mechanism include the mounting of fixing on the inner wall of impeller group, the mounting on rotate and be provided with the rotation piece, the upper end of rotation piece be fixed with the connecting rod along its axis of rotation's direction and the upper end of connecting rod with wind vane fixed connection, the rotation piece interpolation is equipped with the metal pole that can electrically conduct, the symmetry is provided with two metal sheets that can electrically conduct in the mounting, contactless between two metal sheets, can contact with two metal sheets respectively when the metal pole rotates, two metal sheets are connected with the conductor wire and are connected with the driving motor electricity.

In the above technical scheme, preferably, the metal rod includes a left half part which can conduct electricity and a right half part which can not conduct electricity, a spring is arranged between the left half part and the right half part, two ends of the spring are respectively propped against the left half part and the right half part, two driving motors are symmetrically arranged left and right, and transmission gears meshed with the inner gear ring are fixed on output shafts of the two driving motors.

In the above technical scheme, preferably, the wind vane is inserted on the connecting rod, and the wind vane and the connecting rod are provided with polygonal insertion holes and insertion rods which are fixed in a matched and inserted manner.

In the above technical scheme, preferably, the connecting rod is sleeved with a bearing, and the bearing is fixed on the inner wall of the impeller set.

In the above technical solution, preferably, the driving motor is a driving motor with a power-off brake device.

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

according to the wind direction detection device, the wind direction is detected through the wind vane, when the wind direction changes, the wind vane rotates to enable the electric control mechanism to be changed into the closed state from the open state, so that a circuit connected with the driving mechanism is communicated, the driving mechanism is started to gradually turn the impeller group, and finally the rotation axis of the impeller group is parallel to the wind vane, at the moment, the electric control mechanism is restored to be disconnected in situ, so that the driving mechanism stops working, the impeller group stops rotating, and the direction of the impeller group of the wind driven generator is regulated.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a wind direction adjusting device of a wind turbine generator system according to an embodiment of the present utility model.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is an enlarged view of the electric control mechanism of fig. 3.

Fig. 5 is a top cross-sectional view of fig. 4.

The wind turbine rotor comprises a support column 1, an impeller set 2, a driving mechanism 3, a driving motor 31, a transmission gear 32, an annular gear 33, a wind vane 4, an insertion hole 41, an electric control mechanism 5, a fixing piece 51, a rotating piece 52, a connecting rod 53, a metal rod 54, a metal sheet 55, a conductive wire 56, a left half 57, a right half 58, a spring 59, an inserting rod 60 and a bearing 61.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

Referring to fig. 1-5, a wind direction adjusting device of a wind generating set in this embodiment includes a support column 1, an impeller set 2 is rotatably disposed at an upper end of the support column 1, a driving mechanism 3 for driving the impeller set 2 to rotate is disposed at an upper end of the support column 1, a wind vane 4 is disposed at a tail end of the impeller set 2, an electric control mechanism 5 is connected to a bottom end of the wind vane 4, the electric control mechanism 5 is electrically connected with the driving mechanism 3, and the electric control mechanism 5 controls start and stop of the driving mechanism 3.

According to the wind direction detection device, the wind direction is detected through the wind vane 4, when the wind direction changes, the wind vane 4 rotates to change the state of the electric control mechanism 5, the electric control mechanism 5 changes from an open state to a closed state, a circuit connected with the driving mechanism 3 is communicated, the driving mechanism 3 starts to rotate the impeller set 2 gradually to turn the impeller set 2, the rotation axis of the impeller set 2 is parallel to the wind vane 4, at the moment, the electric control mechanism 5 is restored to be in an original position to be disconnected, the driving mechanism 3 stops working, the impeller set 2 stops rotating, and the direction of the impeller set 2 of the wind driven generator is regulated.

Referring to fig. 2, the driving mechanism 3 includes a driving motor 31 fixed in the supporting column 1, a transmission gear 32 is fixed on a rotation shaft of the driving motor 31, an inner gear ring 33 is disposed at a bottom end of the impeller set 2, and the inner gear ring 33 is meshed with the transmission gear 32.

The driving motor 31 drives the transmission gear 32 to rotate, so that the impeller set 2 is driven to rotate through meshing transmission, the accuracy of gear meshing transmission is high, the direction of the impeller set 2 can be accurately regulated, and the impeller set 2 can continuously convert wind energy with high efficiency.

Referring to fig. 3 and 4, the electric control mechanism 5 includes a fixing member 51 fixed on the inner wall of the impeller set 2, a rotating member 52 is rotatably disposed on the fixing member 51, a connecting rod 53 is fixed at the upper end of the rotating member 52 along the direction of the rotation axis of the rotating member, the upper end of the connecting rod 53 is fixedly connected with the wind vane 4, a conductive metal rod 54 is inserted into the rotating member 52, two conductive metal sheets 55 are symmetrically disposed in the fixing member 51, the two metal sheets 55 are not contacted, the metal rods 54 can be respectively contacted with the two metal sheets 55 when rotating, and the two metal sheets 55 are connected with a conductive wire 56 and electrically connected with the driving motor 31.

When the wind direction changes, the wind vane 4 rotates along with the wind direction, the wind vane 4 drives the rotating piece 52 to rotate through the connecting rod 53, so that the metal rod 54 in the rotating piece 52 also rotates, the two ends of the metal rod 54 gradually contact with the metal sheets 55 and conduct electricity, the two metal sheets 55 are electrically communicated, a circuit of the control driving motor 31 is closed, the driving motor 31 starts to work to drive the impeller set 2 to rotate, when the impeller set 2 rotates to correspond to the direction of the wind vane 4, the metal rod 54 is restored to the state of being not contacted with the metal sheets 55, the electric connection between the two metal sheets 55 is disconnected, the driving motor 31 stops working, and the direction of the impeller set 2 is maintained in the adjusted state.

Referring to fig. 3, the wind vane 4 is inserted on the connecting rod 53, and the wind vane 4 and the connecting rod 53 are provided with polygonal insertion holes 41 and insertion rods 60 which are matched and inserted and fixed.

The wind vane 4 is connected with the connecting rod 53 through a detachable plug-in structure, so that the wind vane 4 is convenient to detach, install and transport, and replace and maintain according to the use scene.

Referring to fig. 4, the connecting rod 53 is sleeved with a bearing 61, and the bearing 61 is fixed on the inner wall of the impeller set 2.

The bearing 61 can reduce the resistance when connecting rod 53 rotates to guaranteed that wind vane 4 can comparatively sensitively detect the change of wind direction and rotation piece 52 can rotate on mounting 51, thereby control driving motor 31 and adjust the direction of impeller group 2, bearing 61 fixes the stability that has increased connecting rod 53 on impeller group 2, guaranteed the normal work of wind vane 4.

Referring to fig. 5, the metal rod 54 includes a conductive left half 57 and a non-conductive right half 58, a spring 59 is disposed between the left half 57 and the right half 58, two ends of the spring 59 respectively abut against the left half 57 and the right half 58, two driving motors 31 are symmetrically disposed on left and right, and transmission gears 32 meshed with the ring gear 33 are fixed on output shafts of the two driving motors 31.

In this embodiment, the zero lines of the two driving motors 31 are respectively and electrically connected to the two metal sheets 55, the live wires of the two driving motors 31 are all electrically connected to the left half 57 of the metal rod 54, and when the wind direction changing metal rod 54 rotates, the left half 57 is in contact electrical communication with one of the metal sheets 55, so as to control one of the driving motors 31 to drive the impeller set 2 to rotate in the rotating direction of the left half 57, and therefore the two metal sheets 55 and the two driving motors 31 respectively drive the impeller set 2 to rotate clockwise and anticlockwise, so that the direction of the impeller set 2 can be quickly adjusted, and the direction adjusting efficiency of the impeller set 2 is improved.

In this embodiment, when the metal rod 54 rotates and contacts the metal sheet 55, the spring 59 is compressed to drive the left half 57 to extend outwards and prop against the metal sheet 55, so that the left half 57 is ensured to contact the metal sheet 55 all the time in the process, and the risk of the driving motor 31 not being operated due to poor contact between the left half 57 and the metal sheet 55 is reduced.

The driving motor 31 adopts a driving motor 31 with a power-off brake device.

When the driving motor 31 is in a power-off state, the driving motor 31 is locked through the power-off braking device, so that the direction of the impeller set 2 meshed through the transmission gear 32 and the inner gear ring 33 is fixed, the vibration amplitude of the impeller set 2 and the support column 1 caused by the back and forth rotation of the impeller set 2 when the wind direction changes frequently is reduced, and the stability of the impeller set 2 during working is improved.

The foregoing description of the utility model is merely exemplary of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A wind direction adjusting device of a wind generating set is characterized in that: the wind vane comprises a supporting column, wherein an impeller group is rotatably arranged at the upper end of the supporting column, a driving mechanism for driving the impeller group to rotate is arranged at the upper end of the supporting column, a wind vane is arranged at the tail end of the impeller group, an electric control mechanism is connected at the bottom end of the wind vane, and the electric control mechanism is electrically connected with the driving mechanism and controls the driving mechanism to start and stop.

2. Wind direction regulating device of a wind power plant according to claim 1, characterized in that: the driving mechanism comprises a driving motor fixed in the supporting column, a transmission gear is fixed on a rotating shaft of the driving motor, an inner gear ring is arranged at the bottom end of the impeller set, and the inner gear ring is meshed with the transmission gear.

3. Wind direction regulating device of a wind power plant according to claim 1, characterized in that: the electric control mechanism comprises a fixing piece fixed on the inner wall of the impeller set, a rotating piece is rotatably arranged on the fixing piece, a connecting rod is fixed at the upper end of the rotating piece along the direction of the rotating axis of the rotating piece, the upper end of the connecting rod is fixedly connected with the wind vane, a conductive metal rod is inserted into the rotating piece, two conductive metal sheets are symmetrically arranged in the fixing piece, the two metal sheets are not contacted, the metal rod can be respectively contacted with the two metal sheets when rotating, and the two metal sheets are connected with a conductive wire to be electrically connected with a driving motor.

4. A wind direction adjustment device of a wind power generator set according to claim 3, wherein: the metal rod comprises a left conductive half part and a right non-conductive half part, a spring is arranged between the left half part and the right half part, two ends of the spring are respectively propped against the left half part and the right half part, two driving motors are symmetrically arranged left and right, and transmission gears meshed with the inner gear rings are fixed on output shafts of the two driving motors.

5. A wind direction adjustment device of a wind power generator set according to claim 3, wherein: the wind vane is inserted on the connecting rod, and the wind vane and the connecting rod are provided with polygonal insertion holes and insertion rods which are matched and inserted fixedly.

6. A wind direction adjustment device of a wind power generator set according to claim 3, wherein: the connecting rod is sleeved with a bearing, and the bearing is fixed on the inner wall of the impeller set.

7. Wind direction regulating device of a wind power plant according to claim 2, characterized in that: the driving motor is provided with a power-losing brake device.