CN114704433A - a wind turbine - Google Patents

Abstract

The invention discloses a wind driven generator, which comprises a tower cylinder, a hub and a cabin, wherein the cabin is arranged at the top of the tower cylinder, a generator is arranged in the cabin, the generator comprises a rotor and a stator arranged on the outer ring of the rotor, the stator is fixed on the inner wall of a shell, the hub is rotationally connected to the cabin through a rotating shaft, fan blades are arranged on the circumference of the hub, the rotating shaft is connected with the rotor, a base is arranged in the cabin, the shell is rotationally connected to the base, one end of a crank is rotationally arranged at the end of the shell, the other end of the crank is rotationally connected with a piston, the piston is slidably connected in a cylinder, an air inlet and an air outlet are formed in the end of the cylinder, the air outlet is connected with an inlet of an air storage tank, and the air outlet of the air storage tank is communicated with a turbine of a generating device, the air inlet is connected with the atmosphere, and the air inlet and the air outlet are both provided with a one-way valve.

Description

a wind turbine

technical field

The present invention relates to a wind power generator.

Background technique

The power generated by the wind turbine depends on the local wind conditions, but no matter where the wind is, the wind is unstable, which makes the wind turbine unable to output electricity stably. In order to solve this problem, some wind turbines will be equipped with energy storage devices.

A common energy storage method is to store the electricity generated by the wind turbine in an energy storage battery, and then discharge the battery to drive the air compressor to operate. The air compressor compresses the air and stores the energy in the compressed air tank. When generating electricity is needed, open the pressure relief valve of the tank to allow the airflow of compressed air to flow through the turbine, and the turbine rotates to drive the generator to generate electricity.

In this way, an additional set of compressed air system, a set of power generation system and battery is required. The whole system has become very complex and expensive, so it is necessary to improve it.

SUMMARY OF THE INVENTION

In view of the deficiencies in the prior art, the present invention provides a wind power generator, which can store the kinetic energy of the wind power generator in a storage tank without additionally equipped with a compressor and a battery.

The present invention is achieved through the following technical solutions: a wind turbine includes a tower, a hub and a nacelle, the nacelle is arranged on the top of the tower, a generator is arranged in the nacelle, and the generator includes The rotor and the stator arranged on the outer ring of the rotor, the stator is fixed on the inner wall of the casing, the hub is rotatably connected to the nacelle through a rotating shaft, the periphery of the hub is provided with a fan blade, and the rotating shaft is connected to the nacelle. The rotor is connected to the rotor, a base is arranged in the nacelle, the casing is rotatably connected to the base, an end of the casing is rotated with one end of a crank, the other end of the crank is rotatably connected to the piston, the The piston is slidably connected in the cylinder, the end of the cylinder has an air inlet and an air outlet, the air outlet is connected with the inlet of the air storage tank, and the air outlet of the air storage tank is communicated with a turbine of a power generation device , the air inlet is connected to the atmosphere, and both the air inlet and the air outlet are provided with a one-way valve. When no power generation is required, the hub rotates, driving the shaft to rotate, and the shaft drives the rotor of the generator to rotate. When the rotor rotates, an alternating magnetic field will be generated on the stator, and the energy of all systems always tends to be low energy, and the stator is connected by rotation. On the base, the stator will rotate with the rotor, and the stator is fixed on the casing, so the casing will also rotate along with it. When the casing rotates, the crank drives the piston to reciprocate in the cylinder, inhales air, and then compresses it and enters the storage. In the gas tank, the energy storage is completed. When power generation is required, the air outlet in the gas storage tank is opened, and the pressurized gas is ejected from the air outlet at a high speed to drive the power generation device to generate electricity.

In the above technical solution, preferably, a clutch is further included, and the clutch is used for locking the housing on the base. When the wind turbine needs to generate electricity, the clutch works to lock the outer ear to the base, the outer casing no longer rotates, and an alternating magnetic field is generated on the stator to start generating electricity.

In the above technical solution, preferably, the gas storage tank is arranged vertically, a pressure block is slidably connected in the gas storage tank, the pressure block forms a seal with the inner wall of the gas storage tank, and the air inlet and the The air outlet is arranged at the bottom of the air storage tank. In the gas storage stage, the pressure block is used to ensure the pressure of the input gas storage tank, and in the power generation stage, the pressure block is used to ensure the output air pressure to the power generation device.

In the above technical solution, preferably, the gas storage tank is provided with a guide column, and the pressing block is sleeved on the guide column. The guide column is used to ensure the direction of the pressure block when moving up and down the gas tank, so as not to get stuck.

In the above technical solution, preferably, the upper part of the guide column is provided with a stopper, the stopper is slidably connected in the guide column, and when the pressing block rises to the top, the stopper slides out and resists the Hold the bottom of the block. The stop is used to fix the position of the pressure block.

In the above technical solution, preferably, the stopper is retracted or ejected through a hydraulic system.

In the above technical solution, preferably, the rotating shaft rotates with the rotor that drives the generator after passing through a gearbox.

Compared with the prior art, the beneficial effects of the present invention are: when no power generation is required, the wheel hub rotates to drive the rotating shaft to rotate, and the rotating shaft drives the rotor of the generator to rotate, because when the rotor rotates, an alternating magnetic field will be generated on the stator, and all the The energy of the system always tends to be low energy, and the stator is rotated and connected to the base, so the stator will rotate with the rotor, and the stator is fixed on the casing, so the casing will also rotate along with it. When the casing rotates, the piston is driven by the crank. Reciprocating in the cylinder, inhaling air, and then compressing it into the air storage tank to complete the energy storage. When power generation is required, the air outlet in the gas storage tank is opened, and the pressurized gas is ejected from the air outlet at a high speed to drive the power generation device to generate electricity. This structure does not need to set up a special air compressor and a battery, the cost is greatly reduced, and at the same time, the electric energy of the wind turbine can be stored.

Description of drawings

Figure 1 is a schematic diagram of the present invention.

Figure 2 is a schematic diagram of the mechanism of the present invention.

Figure 3 is a schematic diagram of a gas storage tank.

FIG. 4 is a partial enlarged schematic view of FIG. 3 .

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:

1 and 3 , a wind power generator includes a tower 1 , a hub 2 and a nacelle 3 , the nacelle 2 is arranged on the top of the tower 1 , and a generator 4 is arranged in the nacelle 1 .

The generator 4 includes a rotor 41 and a stator 42 arranged on the outer ring of the rotor 41 , the stator 42 is fixed on the inner wall of the casing 43 , the hub 2 is rotatably connected to the nacelle 3 through the rotating shaft 21 , and the The periphery of the hub 2 is provided with a fan blade 2a, and the rotating shaft 21 rotates with the rotor 41 that drives the generator after passing through a gearbox 22 .

The nacelle 3 is provided with a base 31 , the casing 43 is rotatably connected to the base 31 as shown, and also includes a clutch 32 for locking the casing 43 on the base 31 . When the wind turbine needs to generate electricity, the clutch works to lock the outer ear to the base, the outer casing no longer rotates, and an alternating magnetic field is generated on the stator to start generating electricity.

One end of the crank 51 is rotated at the end of the casing 43 , and the other end of the crank 51 is rotatably connected with the piston 52 , the piston 52 is slidably connected in the cylinder 53 , and the end of the cylinder 53 has an air inlet 531 and an air outlet 532, the air outlet 532 is connected to the inlet 61 of the air storage tank 6, and the air outlet 62 of the air storage tank 6 is communicated with a turbine of a power generation device. The air inlet 531 is connected to the atmosphere. The air inlet 531 is provided with a one-way air intake check valve 5a, and the air outlet 532 is provided with a one-way air outlet check valve 5b.

The gas storage tank 6 is arranged vertically, a pressure block 63 is slidably connected in the gas storage tank 6 , and a guide column 64 is arranged in the gas storage tank 6 , and the pressure block 63 is sleeved on the guide column 64 . The guide column is used to ensure the direction of the pressure block when moving up and down the gas tank, so as not to get stuck. The upper part of the guide column 64 has a stopper 65, the stopper 65 is slidably connected in the guide column 64, and when the pressing block 63 rises to the top, the stopper 65 slides out and resists the Bottom of the pressing block 63 . The stop is used to fix the position of the pressure block. The stopper 65 is retracted or ejected by the hydraulic system. The pressing block forms a seal with the inner wall of the air storage tank, and the air inlet and the air outlet are arranged at the bottom of the air storage tank. In the gas storage stage, the pressure block is used to ensure the pressure of the input gas storage tank, and in the power generation stage, the pressure block is used to ensure the output air pressure to the power generation device.

When no power generation is required, the hub rotates, driving the shaft to rotate, and the shaft drives the rotor of the generator to rotate. When the rotor rotates, an alternating magnetic field will be generated on the stator, and the energy of all systems always tends to be low energy, and the stator is connected by rotation. On the base, the stator will rotate with the rotor, and the stator is fixed on the casing, so the casing will also rotate along with it. When the casing rotates, the crank drives the piston to reciprocate in the cylinder, inhales air, and then compresses it and enters the storage. In the gas tank, push the air pressure at the lower part of the pressure block to rise, so that the pressure block rises. When the pressure block rises to the top of the gas storage tank, the stopper slides out under the action of hydraulic pressure and presses against the bottom of the pressure block, so that the pressure block does not fall. , complete the energy storage. When power generation is required, the air outlet in the gas storage tank is opened, and the pressurized gas is ejected from the air outlet at a high speed to drive the power generation device 7 to generate electricity.

Claims (7)

1. A wind turbine comprising a tower, a hub and a nacelle, the nacelle is arranged on the top of the tower, a generator is arranged in the nacelle, the generator comprises a rotor and is arranged outside the rotor The stator is fixed on the inner wall of the casing, the hub is rotatably connected to the nacelle through a rotating shaft, the periphery of the hub is provided with a fan blade, and the rotating shaft is connected with the rotor, characterized in that: The cabin is provided with a base, the casing is rotatably connected to the base, an end of the casing is rotated with one end of a crank, the other end of the crank is rotatably connected to a piston, and the piston is slidably connected to the base. In the cylinder, the end of the cylinder has an air inlet and an air outlet, the air outlet is connected with the inlet of the air storage tank, the air outlet of the air storage tank is communicated with a turbine of a power generation device, and the inlet The air port is connected to the atmosphere, and both the air inlet and the air outlet are provided with a one-way valve. 2. The wind turbine of claim 1, further comprising a clutch for locking the housing on the base. 3 . The wind power generator according to claim 1 , wherein the gas storage tank is arranged vertically, a pressure block is slidably connected in the gas storage tank, and the pressure block is formed with the inner wall of the gas storage tank. 4 . The air inlet and the air outlet are arranged at the bottom of the air storage tank. 4 . The wind power generator according to claim 3 , wherein the air storage tank is provided with a guide column, and the pressing block is sleeved on the guide column. 5 . 5. The wind power generator according to claim 4, characterized in that: the upper part of the guide column has a stopper, the stopper is slidably connected in the guide column, and when the pressure block rises to the top , the stopper slides out and abuts against the bottom of the pressing block. 6 . The wind power generator according to claim 5 , wherein the stopper is retracted or ejected by a hydraulic system. 7 . 7 . The wind generator according to claim 1 , wherein the rotating shaft rotates with the rotor that drives the generator after passing through a gearbox. 8 .

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