CN204532702U - A kind of wind generating unit utilizing compressed-air energy storage - Google Patents
A kind of wind generating unit utilizing compressed-air energy storage Download PDFInfo
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- CN204532702U CN204532702U CN201520170107.0U CN201520170107U CN204532702U CN 204532702 U CN204532702 U CN 204532702U CN 201520170107 U CN201520170107 U CN 201520170107U CN 204532702 U CN204532702 U CN 204532702U
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a kind of wind generating unit utilizing compressed-air energy storage, comprise fan blade, wheel hub, upload moving axis, brake system, upper gear box, yaw system, cabin, pylon, vertically transmission shaft, thrust-bearing, lower tooth roller box, lower drive shaft, air compressor, high-pressure air hose, compressed air storage tank, compressed air pressure regulating valve, compressed air control valve, compressed air engine, generator and control system.The utility model low cost of manufacture, operating cost is low, owing to adopting compressed-air energy storage, exerting oneself of generator is made to become controlled, meet electrical network completely to fluctuate to the maximum output of wind energy turbine set, the requirement of the grid-connected conditions of fault traversing, Reactive-power control ability etc., is a kind of friendly power supply to electrical network, thus realizes the win-win of electricity power enterprise and power grid enterprises.
Description
Technical field
The utility model belongs to technical field of wind power generation, is specifically related to a kind of wind generating unit utilizing compressed-air energy storage.
Background technique
The core technology of current Chinese large-sized wind-power electricity generation introduces the technology of foreign country, and its Technology Ways performs by the Technology Ways of foreign country, and do not have independent intellectual property right, its shortcoming is as follows:
1, owing to there is no independent intellectual property right, so the Technology Ways that the core technology path of the current large-scale wind driven generator of China must rely on foreign country performs, pay through the nose thus, cause manufacture cost high, expensive, the problem that operation expense is high, adds investment and the operation cost of Wind Power Generation Industry, this just wind-powered electricity generation compared with other conventional Power Generation Mode, one of major reason not having the market competitiveness.
2, dissolving of wind-powered electricity generation is the bottleneck of current China Wind Power Development, and as everyone knows, wind power features is: randomness and the intermittent energy.And China introduces the wind-driven generator that foreign core technology manufactures at present, it exerts oneself according to external wind field and electrical network characteristics design, the essential characteristic of exerting oneself of above-mentioned generator is: follow the change of wind energy and change, exerting oneself of wind-driven generator is uncontrollable, fault traversing and Reactive-power control ability weak.And China's requirement of operation of power networks feature to wind power plant is: the wind-powered electricity generation of online can be controlled, fault traversing and Reactive-power control ability strong.This just wind-powered electricity generation be difficult to one of major reason of dissolving, its defect is mainly manifested in:
(1) under the development mode of the extensive high concentration degree of China, regional wind power distribution is concentrated, and wind speed and direction feature is close, and the coherence between wind energy turbine set is very strong, forms the extreme phenomenon of exerting oneself simultaneously or not exerting oneself.Thus cause exerting oneself of wind-force electrical machinery to occur great fluctuation process, the impact abundance on the power supply of electric power system is very large, causes the difficulty of Dispatch of electric net and electric power, adds user cost.
(2) current most Wind turbines is grid-connected by power electronics interface, and its dynamic response feature and conventional synchronous generator have very large difference.The ability of its fault traversing, Reactive-power control is very weak, cannot meet the requirement of electrical network.Although related fields carry out positive research and development, expect to crack this difficult problem, but by current Technology Ways, be difficult to have breakthrough.
(3) the existing control strategy of current Wind turbines; be that assumed condition designs with strong electrical field; do not consider the feature of China's wind energy turbine set and electrical network; and when remote large-scale grid connection; connection between Wind turbines with electrical network is relative weak; thus cause the safe and stable operation of electric power system and error protection measure to be difficult to reply, have a strong impact on the Security that power system stability is run.
Above background note: at present wind-powered electricity generation is concerning network system, is a kind of disagreeableness power supply.In order to the demand that the safe and stable operation and user cost that ensure electrical network are controlled, grid company has formulated strict wind-electricity integration condition, and fluctuate to the maximum output of wind energy turbine set, corresponding regulation is made in the aspects such as fault traversing, Reactive-power control ability.And wind power plant, because of the problem of wind-driven generator, cannot satisfy condition at present, so there is the phenomenon of a large amount of " blower fan idle running ", cause the great wasting of resources.
There is provided a kind of new technological scheme, cracking an above difficult problem just becomes inevitable.
Model utility content
One of the utility model object is to provide a kind of wind generating unit utilizing compressed-air energy storage, the utility model can solve wind-driven generator and manufacture Ben Gaoang, the problem that operating cost is high, wind-driven generator is exerted oneself uncontrollable problem, and wind power generation set grid-connection to cause the accident hidden danger and increase the problem of operation cost to the safe and stable operation of electrical network.
A kind of wind generating unit utilizing compressed-air energy storage that the utility model provides, comprise fan blade, wheel hub, upload moving axis, brake system, upper gear box, yaw system, cabin, pylon, vertically transmission shaft, thrust-bearing, lower tooth roller box, lower drive shaft, air compressor, high-pressure air hose, compressed air storage tank, compressed air pressure regulating valve, compressed air control valve, compressed air engine, generator and control system;
Described fan blade is arranged on described wheel hub, upload moving axis described in described wheel hub passes through successively and be connected described upper gear box with brake system, describedly upload moving axis, brake system, upper gear box and yaw system are arranged on the pallet in described cabin, described pylon is positioned at below the pallet in described cabin, described vertical transmission shaft is arranged on described thrust-bearing position, described vertical transmission shaft, thrust-bearing and lower tooth roller box are arranged in described pylon, described upper gear box connects described lower tooth roller box by described vertical transmission shaft, described lower tooth roller box connects described air compressor by described lower drive shaft, by described fan blade, wheel hub, upload moving axis, brake system, upper gear box, yaw system, cabin, pylon, vertical transmission shaft, thrust-bearing, lower tooth roller box and lower drive shaft form power transmission system wind energy being transferred to air compressor, described air compressor connects described compressed air reservoir by described high-pressure air hose, described compressed air reservoir is connected described compressed air engine by described compressed air pressure regulating valve with compressed air control valve, described compressed air reservoir, compressed air pressure regulating valve, to be connected by described high-pressure air hose between compressed air control valve and compressed air engine, described air compressor, high-pressure air hose, compressed air storage tank, compressed air pressure regulating valve, compressed air control valve and compressed air engine composition changes mechanical energy system, described compressed air engine is connected described generator by transmission shaft with shaft joint, and described control system connects described compressed air pressure regulating valve, compressed air control valve and generator.
Further, described lower tooth roller box, lower drive shaft, air compressor, compressed air storage tank, compressed air pressure regulating valve, compressed air control valve, compressed air engine, generator and control system are all installed on the ground.
The beneficial effects of the utility model are, the utility model low cost of manufacture, operating cost is low, owing to adopting compressed-air energy storage, make exerting oneself of generator become controlled, meet electrical network completely and the maximum output of wind energy turbine set is fluctuated, the requirement of the grid-connected conditions of fault traversing, Reactive-power control ability etc., be a kind of friendly power supply to electrical network, thus realize the win-win of electricity power enterprise and power grid enterprises.
Accompanying drawing explanation
Figure 1 shows that the utility model utilizes the wind power generation device structure schematic diagram of compressed-air energy storage.
Embodiment
Hereafter will describe the utility model in detail in conjunction with specific embodiments.It should be noted that the combination of technical characteristics or the technical characteristics described in following embodiment should not be considered to isolated, they can mutually be combined thus be reached better technique effect.
Figure 1 shows that the utility model utilizes the wind power generation device structure schematic diagram of compressed-air energy storage.
As shown in Figure 1, a kind of wind generating unit utilizing compressed-air energy storage that the utility model provides, comprise fan blade 1, wheel hub 2, upload moving axis 3, brake system 4, upper gear box 5, yaw system 6, cabin 7, pylon 8, vertically transmission shaft 9, thrust-bearing 20, lower tooth roller box 10, lower drive shaft 11, air compressor 12, high-pressure air hose 13, compressed air storage tank 14, compressed air pressure regulating valve 15, compressed air control valve 16, compressed air engine 17, generator 18 and control system 19;
Fan blade 1 is installed on the hub 2, wheel hub 2 is connected upper gear box 5 by uploading moving axis 3 with brake system 4 successively, upload moving axis 3, brake system 4, upper gear box 5 and yaw system 6 are arranged on the pallet in cabin 7, pylon 8 is positioned at below the pallet in cabin 7, vertical transmission shaft 9 is arranged on thrust-bearing 20, vertical transmission shaft 9, thrust-bearing 20 and lower tooth roller box 10 are arranged in pylon 8, upper gear box 5 connects lower tooth roller box 10 by vertical transmission shaft 9, lower tooth roller box 10 connects air compressor 12 by lower drive shaft 11, each parts form power transmission system wind energy being transferred to air compressor above, described power transmission system promotes air compressor work, produce pressurized air.
Air compressor 12 connects compressed air reservoir 14 by high-pressure air hose 13, and compressed-air-storing is for subsequent use in compressed air reservoir 14 groups, completes the operation that stores for future use of energy.Compressed air reservoir 14 is connected compressed air engine 17 by compressed air pressure regulating valve 15 with compressed air control valve 16, compressed air reservoir 14, compressed air pressure regulating valve 15, compressed air control valve 16 are connected by high-pressure air hose 13 with compressed air engine 17, and air compressor 12, high-pressure air hose 13, compressed air storage tank 14, compressed air pressure regulating valve 15, compressed air control valve 16 and compressed air engine 17 form the changes mechanical energy system that pressurized air can be transformed mechanical energy; Compressed air engine 17 is connected generator 18 by transmission shaft with shaft joint, and drawing generator generates electricity.Control system 19 connects compressed air pressure regulating valve 15, compressed air control valve 16 and generator 18, realizes the control of exerting oneself to generator 18.
Lower tooth roller box 10, lower drive shaft 11, air compressor 12, compressed air storage tank 14, compressed air pressure regulating valve 15, compressed air control valve 16, compressed air engine 17, generator 18 and control system 19 are all installed on the ground.
Described brake system 4 is for needing maintenance or not needing to run during when wind generating unit, this device is made to keep state of rest.Yaw system 6 can make fan blade 1 just to wind direction to obtain maximum wind energy.Thrust-bearing 20 is for bearing the weight of vertical transmission shaft 9 and positioning it.
The utility model utilizes the working principle of the wind-power generating system of compressed-air energy storage as follows:
(1) fan blade 1 accepts wind energy, and work via power transmission system band engine-driven air compressor 12, air compressor 12 produces pressurized gas;
(2) pressurized gas that air compressor 12 produces is delivered to compressed air storage tank 14 by high-pressure air hose 13 and is stored for future use;
(3) when needs generator 18 is exerted oneself, send instruction to compressed air pressure regulating valve 15 and compressed air control valve 16 by control system 19, pressure regulation and control are carried out to pressurized air;
Can keep output squeezing air constant voltage by compressed air pressure regulating valve 15 pressure regulation process, the compressed air shut-off valve 16 of pressurized air of output carries out controlling meeting the requirement that generator 18 is exerted oneself.
(4) through pressure regulation and the pressurized air after controlling, then deliver to compressed air engine 17 by high-pressure air hose 13, promote compressed air engine 17 and work;
(5) compressed air engine 17 drawing generator 18 generates electricity.
Pressurized air is that stored energy is large, and one of a kind of energy storage mode of long-time low cost, increases the capacity of holding vessel, just can increase the storage of energy, to reach peak load shifting, and the object of long-time accumulation of energy.The capacity of holding vessel is according to the wind characteristic of wind power plant, and the grid-connected requirement of electrical network to wind power plant designs, and the countershaft on time of exerting oneself so just achieving generator 18 carries out translation, and output power is controlled, meets the object of grid-connected conditions.
Generator 18 preferentially adopts synchronous generator, and such generation mode and current generation mode are consistent, thus has cracked the bottleneck of wind electricity digestion at one stroke.
Also the pressurized air that wind energy turbine set is produced can be concentrated the mode stored for future use, adopt large-scale compression air motor, the mode of high-rating generator generates electricity.
To the transformation of existing wind power plant, direct application the utility model is transformed, or the electric energy dragging air compressor 12 utilizing wind power plant to send works, and utilizes compressed-air energy storage, to realize the time translation that generator 18 is exerted oneself, reach generator 18 and to exert oneself controlled object.
Benefit gathers, component, control system etc. that what the utility model provided utilize the wind generating unit of compressed-air energy storage to use have the cheap feature of mature and reliable, this is the dynamo-electric manufacturing feature of China just, thus its manufacture cost can reduce greatly, the price of its standby redundancy also decreases, naturally just reduce operation maintenance cost, give full play to the advantage of China's manufacturing industry.
Further, particularly by mounting type underlying for the critical pieces such as air compressor 12, compressed air engine 17, generator 18 and control system 19, while meeting technical requirements, reduce the technical standard of the critical pieces such as air compressor 12, compressed air engine 17, generator 18 and control system 19 widely, thus manufacture cost is reduced greatly, make maintenance convenient, its cost run will decrease simultaneously.
Meanwhile, owing to alleviating the weight on top, the intensity on pylon 8 basis all will significantly reduce, and this device be installed and becomes easy, thus save installation cost.
Although given embodiments more of the present utility model, it will be understood by those of skill in the art that when not departing from the utility model spirit herein, can change embodiment herein.Above-described embodiment is exemplary, should using embodiment herein as the restriction of the utility model interest field.
Claims (2)
1. one kind utilizes the wind generating unit of compressed-air energy storage, it is characterized in that, comprise fan blade, wheel hub, upload moving axis, brake system, upper gear box, yaw system, cabin, pylon, vertically transmission shaft, thrust-bearing, lower tooth roller box, lower drive shaft, air compressor, high-pressure air hose, compressed air storage tank, compressed air pressure regulating valve, compressed air control valve, compressed air engine, generator and control system;
Described fan blade is arranged on described wheel hub, upload moving axis described in described wheel hub passes through successively and be connected described upper gear box with brake system, describedly upload moving axis, brake system, upper gear box and yaw system are arranged on the pallet in described cabin, described pylon is positioned at below the pallet in described cabin, described vertical transmission shaft is arranged on described thrust-bearing position, described vertical transmission shaft, thrust-bearing and lower tooth roller box are arranged in described pylon, described upper gear box connects described lower tooth roller box by described vertical transmission shaft, described lower tooth roller box connects described air compressor by described lower drive shaft, by described fan blade, wheel hub, upload moving axis, brake system, upper gear box, yaw system, cabin, pylon, vertical transmission shaft, thrust-bearing, lower tooth roller box and lower drive shaft form power transmission system wind energy being transferred to air compressor, described air compressor connects described compressed air reservoir by described high-pressure air hose, described compressed air reservoir is connected described compressed air engine by described compressed air pressure regulating valve with compressed air control valve, described compressed air reservoir, compressed air pressure regulating valve, to be connected by described high-pressure air hose between compressed air control valve and compressed air engine, described air compressor, high-pressure air hose, compressed air storage tank, compressed air pressure regulating valve, compressed air control valve and compressed air engine composition changes mechanical energy system, described compressed air engine is connected described generator by transmission shaft with shaft joint, and described control system connects described compressed air pressure regulating valve, compressed air control valve and generator.
2. a kind of wind generating unit utilizing compressed-air energy storage as claimed in claim 1, it is characterized in that, described lower tooth roller box, lower drive shaft, air compressor, compressed air storage tank, compressed air pressure regulating valve, compressed air control valve, compressed air engine, generator and control system are all installed on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170107.0U CN204532702U (en) | 2015-03-25 | 2015-03-25 | A kind of wind generating unit utilizing compressed-air energy storage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170107.0U CN204532702U (en) | 2015-03-25 | 2015-03-25 | A kind of wind generating unit utilizing compressed-air energy storage |
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| CN204532702U true CN204532702U (en) | 2015-08-05 |
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| CN201520170107.0U Expired - Fee Related CN204532702U (en) | 2015-03-25 | 2015-03-25 | A kind of wind generating unit utilizing compressed-air energy storage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988963A (en) * | 2017-04-21 | 2017-07-28 | 海南华盈泰能源科技有限公司 | A kind of low level output level axle windmill |
| CN109372696A (en) * | 2018-12-28 | 2019-02-22 | 动能（北京）科技发展有限公司 | Compressed air is collected as the electricity generation system of power using wind-force |
| CN109501783A (en) * | 2018-11-01 | 2019-03-22 | 郭艳红 | A kind of gas energy, wind energy hybrid power generation device |
| CN110425086A (en) * | 2019-08-07 | 2019-11-08 | 温州乾含节能科技有限公司 | A kind of wind-force and compressed air convolution grid-connected power generation system |
| CN111734581A (en) * | 2020-07-03 | 2020-10-02 | 山东财源和信节能工程有限公司 | Wind power generation device |
-
2015
- 2015-03-25 CN CN201520170107.0U patent/CN204532702U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988963A (en) * | 2017-04-21 | 2017-07-28 | 海南华盈泰能源科技有限公司 | A kind of low level output level axle windmill |
| CN109501783A (en) * | 2018-11-01 | 2019-03-22 | 郭艳红 | A kind of gas energy, wind energy hybrid power generation device |
| CN109372696A (en) * | 2018-12-28 | 2019-02-22 | 动能（北京）科技发展有限公司 | Compressed air is collected as the electricity generation system of power using wind-force |
| CN110425086A (en) * | 2019-08-07 | 2019-11-08 | 温州乾含节能科技有限公司 | A kind of wind-force and compressed air convolution grid-connected power generation system |
| CN111734581A (en) * | 2020-07-03 | 2020-10-02 | 山东财源和信节能工程有限公司 | Wind power generation device |
| CN111734581B (en) * | 2020-07-03 | 2022-08-19 | 贝克曼沃玛金属技术（青岛）有限公司 | Wind power generation device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20190325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |