CN219034901U - Wind generating set gas storage energy storage compensation device - Google Patents
Wind generating set gas storage energy storage compensation device Download PDFInfo
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- CN219034901U CN219034901U CN202222097566.3U CN202222097566U CN219034901U CN 219034901 U CN219034901 U CN 219034901U CN 202222097566 U CN202222097566 U CN 202222097566U CN 219034901 U CN219034901 U CN 219034901U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to a gas storage and energy storage compensation device of a wind generating set. The method is suitable for the technical field of development and application of new energy sources of wind power generation. The technical scheme adopted by the utility model is as follows: the device comprises: the air storage energy storage device can utilize the redundant energy of the wind driven generator to perform air compression operation and store the compressed air; the air driving device is communicated with the air storage and energy storage device through a pipeline and can drive the rotating shaft of the wind driven generator to rotate or increase the rotating speed of the rotating shaft of the wind driven generator by compressed air; the rotating speed sensor is used for collecting rotating speed information of the rotating shaft of the wind driven generator; and the compensation controller is connected with the air storage and energy storage device, the air driving device and the rotating speed sensor and is used for controlling the air storage and energy storage device to compress air by using the redundant energy of the wind driven generator when the rotating speed information acquired by the rotating speed sensor is greater than the set high rotating speed.
Description
Technical Field
The utility model relates to a gas storage and energy storage compensation device of a wind generating set. The method is suitable for the technical field of development and application of new energy sources of wind power generation.
Background
With the gradual exhaustion of exploitation of fossil energy such as coal and petroleum, the utilization of renewable energy is increasingly receiving attention from human beings. The wind power industry has been developed in recent years as a major clean renewable energy source. The wind power generation set manufacturing enterprises and research units fully and effectively utilize wind energy, and are continuously innovated by researching and developing new technologies. As the use of wind energy has matured, the ability to capture wind energy under any of a variety of environmental conditions has become a research direction. The current popular wind driven generator has the largest short plate which cannot be started or has insufficient rotating speed in a breeze environment, so that the continuous power generation of a unit cannot be realized for a long time.
Disclosure of Invention
The utility model aims to solve the technical problems that: aiming at the problems, the air storage and energy storage compensation device of the wind generating set is provided.
The technical scheme adopted by the utility model is as follows: the utility model provides a wind generating set gas storage energy storage compensation arrangement which characterized in that includes:
the air storage energy storage device can utilize the redundant energy of the wind driven generator to perform air compression operation and store the compressed air;
the air driving device is communicated with the air storage and energy storage device through a pipeline and can drive the rotating shaft of the wind driven generator to rotate or increase the rotating speed of the rotating shaft of the wind driven generator by compressed air;
the rotating speed sensor is used for collecting rotating speed information of the rotating shaft of the wind driven generator;
the compensation controller is connected with the air storage and energy storage device, the air driving device and the rotating speed sensor and is used for controlling the air storage and energy storage device to compress air by using the redundant energy of the wind driven generator when the rotating speed information acquired by the rotating speed sensor is greater than a set high rotating speed; and the air driving device is used for controlling the air driving device to drive the rotating shaft to rotate or to increase the rotating shaft rotating speed when the rotating speed information acquired by the rotating speed sensor is smaller than the set low rotating speed.
The air storage and energy storage device is provided with an air compressor and an air storage tank, wherein the air compressor is in transmission connection with a rotating shaft of the wind driven generator through a transmission mechanism, and an air outlet of the air compressor is communicated with an air inlet of the air storage tank;
the transmission mechanism can enable transmission connection between the air compressor and the rotating shaft of the wind driven generator or enable transmission connection between the air compressor and the rotating shaft of the wind driven generator to be disconnected according to the control signal of the compensation controller.
The air driving device comprises a plurality of air nozzles arranged on blades of the wind driven generator, the air nozzles are communicated with the air storage and energy storage device through pipelines, compressed air stored in the air storage and energy storage device can drive the blades to rotate around the axis of the rotating shaft after being sprayed out through the air nozzles, and then the rotating shaft is driven to rotate or the rotating speed of the rotating shaft is improved.
And one end of the air guide channel is communicated with the air storage and energy accumulation device through a pipeline, and the other end of the air guide channel is communicated with the air nozzle on the blade through a hollow pipe in the blade.
The air nozzle is arranged at the end part of the blade far away from the rotating shaft.
A one-way valve is arranged in the air nozzle.
A compensation method of a wind generating set gas storage and energy storage compensation device is characterized by comprising the following steps of:
when the external wind power is large, the rotating speed of the rotating shaft of the wind driven generator acquired by the rotating speed sensor is larger than a set high rotating speed, the compensation controller controls the transmission mechanism to establish transmission connection between the rotating shaft of the wind driven generator and the air storage and energy storage device, the air storage and energy storage device is driven by the rotating shaft of the wind driven generator to perform air compression operation, compressed air is stored, and when the stored compressed air pressure reaches a set limit value, the transmission connection between the rotating shaft of the wind driven generator and the air storage and energy storage device is disconnected;
when the external wind force is smaller, the blades of the wind driven generator rotate powerless and have low rotating speed, and the rotating speed of the rotating shaft of the wind driven generator collected by the rotating speed sensor is smaller than the set low rotating speed, the compensation controller controls the air driving device to drive the rotating shaft of the wind driven generator to rotate or increase the rotating speed of the rotating shaft by utilizing compressed air stored by the air storage energy storage device.
The beneficial effects of the utility model are as follows: according to the utility model, part of energy in strong wind is stored in the form of compressed air through the air storage and energy storage device, and released through the air driving device in weak wind, the rotating speed of the rotating shaft is increased, so that the rotation power generation of the wind generating set is balanced, the power generation time can be effectively prolonged, and the power generation efficiency can be improved.
In the utility model, the air nozzle is arranged at the end part of the blade, and the diameter size is smaller, and the sprayed gas quantity is limited, but the moment is very large considering that the blade of the modern wind driven generator is as long as tens of meters. The compressed air sprayed from the top ends of the blades is used as an auxiliary force, and can play a role in wind power complementation and reinforcement under the condition of breeze.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is a schematic structural diagram of a compressed air supply line in an embodiment.
1. A wind power generator rotating shaft; 1-1, an air guide channel; 2. wind power generator blades; 2-1, hollow pipeline; 3. an air nozzle; 4. an air compressor; 5. an air duct; 6. a transmission mechanism.
Detailed Description
The embodiment is a wind generating set gas storage and energy storage compensation device, which comprises a gas storage and energy storage device, an air driving device, a rotation speed sensor, a compensation controller and the like.
In this example, the air storage and energy storage device is provided with an air compressor and an air storage tank, a transmission mechanism is arranged between the air compressor and the wind power generator rotating shaft, the transmission mechanism can establish transmission connection between the air compressor and the wind power generator rotating shaft according to the control instruction of the compensation controller, and can disconnect transmission connection between the air compressor and the wind power generator rotating shaft according to the control instruction of the compensation controller. The rotating shaft of the wind driven generator is mechanically connected with a screw rod of an air compressor to form a transmission structure for establishing and disconnecting.
In the embodiment, the air outlet of the air compressor is communicated with the air inlet of the air storage tank, and when transmission connection is established between the air compressor and the rotating shaft of the wind driven generator, the air compressor is driven by the rotating shaft to perform air compression operation, and compressed air is conveyed to the air storage tank for storage.
The air driving device in the embodiment comprises a plurality of air nozzles arranged on the blades of the wind driven generator, wherein the air nozzles are arranged at the end parts of the blades far away from the rotating shaft end and face the rotating direction of the blades in the opposite direction, and the air nozzles are communicated with the air outlet of the air storage tank through pipelines. The air nozzle is internally provided with a one-way valve, namely only air can be injected, and air cannot be introduced.
In the embodiment, the air outlet of the air storage tank is communicated with the air nozzle on the blade through the air guide pipe, the air guide channel arranged along the axis of the air guide channel in the rotating shaft of the wind driven generator and the hollow pipe in the blade.
In this embodiment, a rotation speed sensor for collecting rotation speed information of the rotation shaft of the wind driven generator is arranged corresponding to the rotation shaft of the wind driven generator, a circuit of the rotation speed sensor is connected with a compensation controller, and the circuit of the compensation controller is connected with a transmission mechanism and a valve on the air duct.
The working principle of this embodiment is as follows:
when the external wind power is large, the rotating speed of the rotating shaft of the wind driven generator collected by the rotating speed sensor is larger than the set high rotating speed, the compensation controller controls the transmission mechanism to establish transmission connection between the rotating shaft of the wind driven generator and the air compressor, the air compressor is driven by the rotating shaft of the wind driven generator to perform air compression operation, the air compressor is driven by using extra energy, compressed air is stored in the air storage tank, and when the pressure in the air storage tank reaches the set limit value, the transmission connection between the rotating shaft of the wind driven generator and the air storage and energy storage device is controlled to be disconnected.
When the external wind force is small, the blades of the wind driven generator rotate powerless and have low rotating speed, and the rotating speed of the rotating shaft of the wind driven generator collected by the rotating speed sensor is smaller than the set low rotating speed, the compensation controller controls the pipeline between the air nozzle and the air storage tank to be conducted, compressed air is conveyed to the air nozzle at the end part of the blades through the air guide pipe, the air guide channel and the hollow pipe through the air outlet of the air storage tank, and the air nozzle ejects air flow to generate acting force, and the acting force is exerted on the blades, so that the blades rotate around the axis of the rotating shaft along with the micro wind force and accelerate.
In this embodiment, the rotational speed of the rotating shaft of the wind driven generator is kept between a set low rotational speed and a set normal rotational speed by adjusting the compressed air flow and matching with the rotational speed information collected by the rotational speed sensor, the set low rotational speed is smaller than the set normal rotational speed, and the set normal rotational speed is smaller than the set high rotational speed.
Claims (5)
1. The utility model provides a wind generating set gas storage energy storage compensation arrangement which characterized in that includes:
the air storage energy storage device can utilize the redundant energy of the wind driven generator to perform air compression operation and store the compressed air;
the air driving device is communicated with the air storage and energy storage device through a pipeline and can drive the rotating shaft of the wind driven generator to rotate or increase the rotating speed of the rotating shaft of the wind driven generator by compressed air;
the air driving device comprises a plurality of air nozzles arranged on blades of the wind driven generator, the air nozzles are communicated with the air storage and energy storage device through pipelines, compressed air stored in the air storage and energy storage device can drive the blades to rotate around the axis of the rotating shaft after being sprayed out through the air nozzles, and then the rotating shaft is driven to rotate or the rotating speed of the rotating shaft is increased;
the rotating speed sensor is used for collecting rotating speed information of the rotating shaft of the wind driven generator;
the compensation controller is connected with the air storage and energy storage device, the air driving device and the rotating speed sensor and is used for controlling the air storage and energy storage device to compress air by using the redundant energy of the wind driven generator when the rotating speed information acquired by the rotating speed sensor is greater than a set high rotating speed; and the air driving device is used for controlling the air driving device to drive the rotating shaft to rotate or to increase the rotating shaft rotating speed when the rotating speed information acquired by the rotating speed sensor is smaller than the set low rotating speed.
2. The wind generating set gas storage and energy storage compensation device according to claim 1, wherein: the air storage and energy storage device is provided with an air compressor and an air storage tank, wherein the air compressor is in transmission connection with a rotating shaft of the wind driven generator through a transmission mechanism, and an air outlet of the air compressor is communicated with an air inlet of the air storage tank;
the transmission mechanism can enable transmission connection between the air compressor and the rotating shaft of the wind driven generator or enable transmission connection between the air compressor and the rotating shaft of the wind driven generator to be disconnected according to the control signal of the compensation controller.
3. The wind generating set gas storage and energy storage compensation device according to claim 1, wherein: and one end of the air guide channel is communicated with the air storage and energy accumulation device through a pipeline, and the other end of the air guide channel is communicated with the air nozzle on the blade through a hollow pipe in the blade.
4. A wind generating set gas storage and energy storage compensation device according to claim 1 or 3, wherein: the air nozzle is arranged at the end part of the blade far away from the rotating shaft.
5. A wind generating set gas storage and energy storage compensation device according to claim 1 or 3, wherein: a one-way valve is arranged in the air nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222097566.3U CN219034901U (en) | 2022-08-10 | 2022-08-10 | Wind generating set gas storage energy storage compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222097566.3U CN219034901U (en) | 2022-08-10 | 2022-08-10 | Wind generating set gas storage energy storage compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219034901U true CN219034901U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222097566.3U Active CN219034901U (en) | 2022-08-10 | 2022-08-10 | Wind generating set gas storage energy storage compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219034901U (en) |
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2022
- 2022-08-10 CN CN202222097566.3U patent/CN219034901U/en active Active
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