CN112302874A - Wind power generation device for preventing strong wind - Google Patents
Wind power generation device for preventing strong wind Download PDFInfo
- Publication number
- CN112302874A CN112302874A CN202011182826.6A CN202011182826A CN112302874A CN 112302874 A CN112302874 A CN 112302874A CN 202011182826 A CN202011182826 A CN 202011182826A CN 112302874 A CN112302874 A CN 112302874A
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- Prior art keywords
- power generation
- hub
- wind power
- blade
- assembly
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010248 power generation Methods 0.000 title claims abstract description 63
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 8
- 241000883990 Flabellum Species 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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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
-
- 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
- Y02E10/728—Onshore wind turbines
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a strong wind prevention wind power generation device which comprises a base, a support column, a power generation mechanism and an adjusting mechanism, wherein the support column is vertically arranged on the base, and the upper end of the support column is provided with a power generation platform; the power generation mechanism comprises a blade assembly and a power generation assembly, the power generation assembly is arranged on the power generation platform, the blade assembly is connected with the power generation assembly through a connecting shaft, the blade assembly comprises a hub and a plurality of rotating blades arranged on the hub, and the rotating blades are rotatably connected with the hub; the adjusting mechanism is used for adjusting the rotating blade to rotate relative to the hub, and comprises an adjusting column and a shifting rod, wherein the adjusting column is installed on the hub, one end of the shifting rod is connected with the end, close to the hub, of the rotating blade, and the other end of the shifting rod is connected with the adjusting column. The wind power generation device can freely change the contact area of the rotating blade and wind power, and avoids the damage of the wind power generation device caused by overlarge contact area of the wind power and the rotating blade.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a wind power generation device for preventing strong wind.
Background
Wind energy is a natural resource with abundant reserves, and is widely used and rapidly developed in the world due to the characteristics of convenience in use, reproducibility, low cost, no pollution and the like, so that the wind energy becomes a new growth point of energy requirements and has huge development potential. In recent years, the market of wind power generation devices has also developed very rapidly, and the application range is becoming wider and wider. However, extreme climates are continuously generated along with the global warming, and taking China as an example, the annual occurrence frequency and the annual intensity of northern sand storms are higher and higher; the probability of the occurrence of the ultra-strong typhoon of more than sixteen grades in the south is higher and higher. Under the condition of overlarge wind power, the wind power generation device exceeds the load, so that the wind power generation device is easily damaged, and even the blade is broken and the like. All these conditions put higher demands on the safety of the wind power plant.
Disclosure of Invention
The invention mainly aims to provide a wind power generation device for preventing strong wind, and aims to solve the problem that the wind power generation device in the prior art is easy to damage under the condition of overlarge wind power.
In order to achieve the above object, the present invention provides a strong wind prevention wind power generation apparatus, comprising:
a base;
the support column is vertically arranged on the base, and a power generation platform is arranged at the upper end of the support column;
the power generation mechanism comprises a blade assembly and a power generation assembly, the power generation assembly is mounted on the power generation platform and is connected with the power generation assembly through a connecting shaft, the blade assembly comprises a hub and a plurality of rotating blades mounted on the hub, and the rotating blades are rotatably connected with the hub;
the adjusting mechanism is used for adjusting the rotating blade to rotate relative to the hub and comprises an adjusting column and a shifting rod, the adjusting column is installed on the hub, one end of the shifting rod is connected with the end, close to the hub, of the rotating blade, and the other end of the shifting rod is connected with the adjusting column.
Preferably, rotating vane includes flabellum portion and with the installation department that the flabellum portion is connected, the flabellum portion is the platykurtic, the installation department with wheel hub rotates to be connected, the installation department is kept away from the one end of flabellum portion with the driving lever is connected.
Preferably, the installation department is including adjusting end and connecting axle, the connecting axle is installed wheel hub is last and with wheel hub rotates to be connected, adjust the post include the fixed part and with the pars contractilis that the fixed part is connected, the fixed part is fixed on the wheel hub, adjust the end pass through the driving lever with the pars contractilis is articulated.
Preferably, the hub includes a main disc and a plurality of extension arms that extend outward from the main disc, the extension arms correspond rotating blade sets, the quantity of extension arms with rotating blade's quantity is the same, the installation department is installed on the extension arms.
Preferably, the extension arm is provided with two mounting lugs, and two ends of the connecting shaft are respectively rotatably connected with the two mounting lugs.
Preferably, a bearing is arranged in the connecting hole of the mounting lug, and the connecting shaft is rotatably connected with the bearing.
Preferably, the adjusting mechanism further comprises a limiting assembly, the limiting assembly is mounted on the telescopic portion, and the limiting assembly is used for limiting the telescopic distance of the telescopic portion.
Preferably, the limiting assembly comprises a limiting connecting rod and a limiting sliding block, the limiting sliding block is sleeved on the connecting shaft in a sliding mode, the limiting sliding block is arranged between the two mounting lugs, one end of the limiting connecting rod is hinged to the limiting sliding block, and the other end of the limiting connecting rod is hinged to the telescopic portion.
The wind power generation device for preventing strong wind is arranged on the ground or other fixed objects through the base, and the wind power acts on the rotating blades of the blade assembly, so that the rotating blades drive the hub to rotate, the hub drives the power generation assembly to operate and generate electric energy, and the wind power is converted into the electric energy. When wind power is too large, the adjusting column driving deflector rod stirs the rotating blade to rotate relative to the hub, the contact area of the rotating blade and the wind power is reduced, damage caused by overload of the wind power generation device due to the fact that the wind power is too large is avoided, when the wind power is small, the adjusting column driving deflector rod stirs the rotating blade to rotate relative to the hub, the contact area of the rotating blade and the wind power is increased, the operating efficiency of the rotating blade is guaranteed, and the generating efficiency of the wind power generation device is guaranteed. According to the wind power generation device, the adjusting column drives the deflector rod to adjust the rotating blade to rotate relative to the hub, so that the contact area of the rotating blade and wind power can be freely changed, the risk that the wind power generation device is damaged or even the rotating blade is broken due to the fact that the contact area of the wind power and the rotating blade is too large is avoided, and the safety of the wind power generation device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a wind power generation apparatus for preventing strong wind according to an embodiment of the present invention;
FIG. 2 is a perspective view of a rotating blade of a wind power generation device for preventing strong wind according to an embodiment of the present invention;
fig. 3 is an enlarged view of the area a in fig. 2.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a wind power generation device for preventing strong wind.
As shown in fig. 1 to 3, in the present embodiment, a wind power generation apparatus for preventing strong wind includes a base 1, a support column 2, a power generation mechanism 3, and an adjustment mechanism 4, wherein the support column 2 is vertically installed on the base 1, and a power generation platform is arranged at an upper end of the support column 2; the power generation mechanism 3 comprises a blade assembly and a power generation assembly 31, the power generation assembly 31 is mounted on a power generation platform, the blade assembly is connected with the power generation assembly 31 through a connecting shaft 322b, the blade assembly comprises a hub 33 and a plurality of rotating blades 32 mounted on the hub 33, and the rotating blades 32 are rotatably connected with the hub 33; the adjusting mechanism 4 is used for adjusting the rotating blade 32 to rotate relative to the hub 33, the adjusting mechanism 4 comprises an adjusting column 41 and a shifting rod 43, the adjusting column 41 is installed on the hub 33, one end of the shifting rod 43 is connected with the end of the rotating blade 32 close to the hub 33, and the other end of the shifting rod 43 is connected with the adjusting column 41.
Specifically, the wind power generation device for preventing strong wind according to the embodiment is installed on the ground or other fixed objects through the base 1, and the wind force acts on the rotating blades 32 of the blade assembly, so that the rotating blades 32 drive the hub 33 to rotate, and the hub 33 drives the power generation assembly 31 to operate and generate electric energy, so that the wind force is converted into the electric energy. When wind power is too large, the adjusting column 41 drives the deflector rod 43 to stir the rotating blade 32 to rotate relative to the hub 33, the contact area between the rotating blade 32 and the wind power is reduced, and damage caused by overload of the wind power generation device due to too large wind power is avoided. According to the wind power generation device, the adjusting column 41 drives the shift lever 43 to adjust the rotating blade 32 to rotate relative to the hub 33, the contact area of the rotating blade 32 and wind power can be freely changed, the risk that the wind power generation device is damaged or even the rotating blade 32 is broken due to the fact that the contact area of the wind power and the rotating blade 32 is too large is avoided, and the safety of the wind power generation device is improved.
Further, as shown in fig. 2 and 3, the rotary blade 32 includes a blade portion 321 and a mounting portion 322 connected to the blade portion 321, the blade portion 321 is flat, the mounting portion 322 is rotatably connected to the hub 33, and an end of the mounting portion 322 away from the blade portion 321 is connected to the shift lever 43. The deflector rod 43 deflects the mounting portion 322 to drive the flat fan blade portion 321 to rotate, so that the contact area between the fan blade portion 321 and wind power can be changed, and the safety of the wind power generation device is improved.
Further, as shown in fig. 2 and 3, the mounting portion 322 includes an adjusting end 322a and a connecting shaft 322b, the connecting shaft 322b is mounted on the hub 33 and rotatably connected with the hub 33, the adjusting post 41 includes a fixing portion 411 and a telescopic portion 412 connected with the fixing portion 411, the fixing portion 411 is fixed on the hub 33, and the adjusting end 322a is hinged with the telescopic portion 412 through the shift lever 43. The telescopic part 412 forms a lever connection relationship with the connecting shaft 322b through the shift lever 43, and the ascending or descending of the telescopic part 412 drives the shift lever 43 to shift the connecting shaft 322b to rotate, so that the fan blade part 321 is driven to rotate, the contact area of the fan blade part 321 and wind power is changed, and the safety of the wind power generation device is improved.
As shown in fig. 2 and 3, in the present embodiment, the hub 33 includes a main disk 331 and a plurality of extension arms 332 extending outward from the main disk 331, the extension arms 332 are disposed corresponding to the rotary blades 32, the number of the extension arms 332 is the same as the number of the rotary blades 32, and the mounting portion 322 is mounted on the extension arms 332. Simplified construction of the hub 33 and facilitated mounting of the rotary blades 32.
In this embodiment, as shown in fig. 2 and 3, two mounting lugs 333 are disposed on the extension arm 332, and two ends of the connecting shaft 322b are respectively rotatably connected to the two mounting lugs 333. The two mounting lugs 333 can effectively mount the connecting shaft 322b on the hub 33, improving structural stability.
In this embodiment, a bearing is disposed in the connecting hole of the mounting lug 333, and the connecting shaft 322b is rotatably connected to the bearing. The bearing plays a role in lubricating and protecting the connecting shaft 322b, and reduces the friction force between the connecting shaft 322b and the mounting lug 333.
In this embodiment, as shown in fig. 2 and 3, the adjusting mechanism 4 further includes a limiting assembly 42, the limiting assembly 42 is installed on the telescopic portion 412, and the limiting assembly 42 is used for limiting the telescopic distance of the telescopic portion 412. Namely, the rotation angle of the rotary blade 32 is limited, and the excessive rotation of the rotary blade 32 is avoided.
In this embodiment, as shown in fig. 2 and fig. 3, the limiting component 42 includes a limiting connecting rod 421 and a limiting sliding block 422, the limiting sliding block 422 is slidably sleeved on the connecting shaft 322b, the limiting sliding block 422 is disposed between the two mounting lugs 333, one end of the limiting connecting rod 421 is hinged to the limiting sliding block 422, and the other end of the limiting connecting rod 421 is hinged to the telescopic portion 412. The two mounting lugs 333 limit the sliding of the limiting slide block 422, so that the limiting slide block 422 can only slide in the two mounting lugs 333, and the lifting range of the telescopic part 412 is limited, thereby avoiding the excessive rotation of the rotary blade 32.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A wind power generation device for preventing strong wind, comprising:
a base (1);
the support column (2) is vertically installed on the base (1), and a power generation platform is arranged at the upper end of the support column (2);
the power generation mechanism (3) comprises a blade assembly and a power generation assembly (31), the power generation assembly (31) is installed on the power generation platform, the blade assembly is connected with the power generation assembly (31) through a connecting shaft (322b), the blade assembly comprises a hub (33) and a plurality of rotating blades (32) installed on the hub (33), and the rotating blades (32) are rotatably connected with the hub (33);
the adjusting mechanism (4) is used for adjusting the rotating blade (32) to rotate relative to the hub (33), the adjusting mechanism (4) comprises an adjusting column (41) and a shifting rod (43), the adjusting column (41) is installed on the hub (33), one end of the shifting rod (43) is connected with the end, close to the hub (33), of the rotating blade (32), and the other end of the shifting rod (43) is connected with the adjusting column (41).
2. The wind power generation device of claim 1, wherein the rotary blade (32) comprises a blade portion (321) and an installation portion (322) connected to the blade portion (321), the blade portion (321) is flat, the installation portion (322) is rotatably connected to the hub (33), and one end of the blade portion (321) away from the installation portion (322) is connected to the shift lever (43).
3. A strong wind prevention wind power plant as claimed in claim 2, characterized in that said mounting portion (322) comprises an adjustment end (322a) and a connecting shaft (322b), said connecting shaft (322b) is mounted on said hub (33) and rotatably connected with said hub (33), said adjustment post (41) comprises a fixing portion (411) and a telescopic portion (412) connected with said fixing portion (411), said fixing portion (411) is fixed on said hub (33), one end of said shift lever (43) is connected with said adjustment end (322a), and the other end of said shift lever (43) is connected with said telescopic portion (412).
4. A wind power generation apparatus for preventing strong wind according to claim 3, wherein said hub (33) comprises a main plate (331) and a plurality of extension arms (332) extending outwardly from said main plate (331), said extension arms (332) being disposed corresponding to said rotary blades (32), the number of said extension arms (332) being the same as the number of said rotary blades (32), said mounting portion (322) being mounted on said extension arms (332).
5. The wind power generation device for preventing strong wind as claimed in claim 4, wherein said extension arm (332) is provided with two mounting lugs (333), and both ends of said connection shaft (322b) are respectively rotatably connected with said two mounting lugs (333).
6. A wind power plant for preventing high winds according to claim 5, wherein bearings are provided in the attachment holes of said mounting lugs (333), and said connection shafts (322b) are rotatably connected to said bearings.
7. A strong wind prevention wind power plant according to claim 6, characterized in that said adjustment mechanism (4) further comprises a limiting assembly (42), said limiting assembly (42) being mounted on said telescoping section (412), said limiting assembly (42) being adapted to limit the telescoping distance of said telescoping section (412).
8. The wind power generation device for preventing strong wind according to claim 7, wherein the limiting component (42) comprises a limiting connecting rod (421) and a limiting sliding block (422), the limiting sliding block (422) is slidably sleeved on the connecting shaft (322b), the limiting sliding block (422) is disposed between the two mounting lugs (333), one end of the limiting connecting rod (421) is hinged to the limiting sliding block (422), and the other end of the limiting connecting rod (421) is hinged to the telescopic part (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182826.6A CN112302874B (en) | 2020-10-29 | 2020-10-29 | Wind power generation device for preventing strong wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182826.6A CN112302874B (en) | 2020-10-29 | 2020-10-29 | Wind power generation device for preventing strong wind |
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| Publication Number | Publication Date |
|---|---|
| CN112302874A true CN112302874A (en) | 2021-02-02 |
| CN112302874B CN112302874B (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011182826.6A Active CN112302874B (en) | 2020-10-29 | 2020-10-29 | Wind power generation device for preventing strong wind |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201221446Y (en) * | 2008-05-30 | 2009-04-15 | 六逸科技股份有限公司 | Wind power generation plant |
| CN201391419Y (en) * | 2008-12-12 | 2010-01-27 | 中金富华能源科技有限公司 | Vertical shaft wind power generation system capable of avoiding strong wind |
| CN101988475A (en) * | 2010-11-10 | 2011-03-23 | 马效春 | Variable-pitch wind turbine |
| CN103726985A (en) * | 2014-01-22 | 2014-04-16 | 深圳市宝联风光热能源科技有限公司 | Rising double pendulum-blade vertical-axis wind generating set |
| US20150008678A1 (en) * | 2012-04-06 | 2015-01-08 | Leonid Goldstein | Airborne wind energy conversion system with endless belt and related systems and methods |
| CN109236582A (en) * | 2018-10-12 | 2019-01-18 | 合肥晓拂新能源有限公司 | A kind of model wind generating device |
| CN209990589U (en) * | 2019-03-26 | 2020-01-24 | 邵阳学院 | Strong wind resistant wind power generation system |
-
2020
- 2020-10-29 CN CN202011182826.6A patent/CN112302874B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201221446Y (en) * | 2008-05-30 | 2009-04-15 | 六逸科技股份有限公司 | Wind power generation plant |
| CN201391419Y (en) * | 2008-12-12 | 2010-01-27 | 中金富华能源科技有限公司 | Vertical shaft wind power generation system capable of avoiding strong wind |
| CN101988475A (en) * | 2010-11-10 | 2011-03-23 | 马效春 | Variable-pitch wind turbine |
| US20150008678A1 (en) * | 2012-04-06 | 2015-01-08 | Leonid Goldstein | Airborne wind energy conversion system with endless belt and related systems and methods |
| CN103726985A (en) * | 2014-01-22 | 2014-04-16 | 深圳市宝联风光热能源科技有限公司 | Rising double pendulum-blade vertical-axis wind generating set |
| CN109236582A (en) * | 2018-10-12 | 2019-01-18 | 合肥晓拂新能源有限公司 | A kind of model wind generating device |
| CN209990589U (en) * | 2019-03-26 | 2020-01-24 | 邵阳学院 | Strong wind resistant wind power generation system |
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| CN112302874B (en) | 2021-09-03 |
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Effective date of registration: 20210817 Address after: 415500 room 307, third floor, building 1, standardized plant, innovation and entrepreneurship Park, Lixian high tech Industrial Development Zone, Shangfu neighborhood committee, Lidan street, Li County, Changde City, Hunan Province Applicant after: Changdexiang nuclear New Energy Co.,Ltd. Address before: 415500 Group 15, Shuanglong Village, Fuxing Town, Li County, Changde City, Hunan Province Applicant before: Wan Zhimei |
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