CN213870134U - Lightning protection breakdown type wind power blade - Google Patents
Lightning protection breakdown type wind power blade Download PDFInfo
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- CN213870134U CN213870134U CN202022232785.9U CN202022232785U CN213870134U CN 213870134 U CN213870134 U CN 213870134U CN 202022232785 U CN202022232785 U CN 202022232785U CN 213870134 U CN213870134 U CN 213870134U
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- rod
- lightning
- air
- auxiliary rod
- wind power
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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
- 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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Abstract
The utility model relates to a lightning protection breakdown formula wind-powered electricity generation blade, including vertical fan pole and the blade of connection on vertical fan pole, still include the lightning rod that extends the formation from vertical fan pole. Through set up the lightning rod above that in this scheme, thereby play lightning-arrest effect, the lightning rod includes main needle body and a plurality of auxiliary rod in addition, the inside cavity of auxiliary rod forms the air cavity, auxiliary rod lateral wall is provided with the gas pocket with the air cavity intercommunication, be provided with air jet system in the air cavity, in sleet day, can put down auxiliary rod, the air jet system that the utilization setting was in auxiliary rod produces outside jetted gas in the gas pocket, form an air umbrella, thereby reduce the sleet that falls on the blade surface, reduce the possibility of freezing and frosting, reduce the damage to the blade, and the service life is prolonged.
Description
Technical Field
The utility model relates to a blade, in particular to lightning protection breakdown formula wind-powered electricity generation blade.
Background
Wind energy is available energy provided for human beings due to the work done by the air flow, belongs to renewable energy sources (including water energy, biological energy and the like), kinetic energy of the air flow is called wind energy, and the higher the air flow rate is, the higher the kinetic energy is; at present, global energy is gradually exhausted, the development of renewable energy is imminent, and wind power generation is rapidly developed in countries as the current mature renewable energy technology, so that the manufacturing industry of wind power generators is in the rapid development stage. Wind power generators are power machines capable of converting clean and pollution-free wind energy into mechanical energy, and wind energy is increasingly paid attention to various countries as a clean and efficient renewable energy source. According to the statistics of the industry, in 2017, 1503 ten thousand kilowatts of newly-added grid-connected wind power generation installed capacity are added, the accumulated grid-connected installed capacity reaches 1.64 hundred million kilowatts and accounts for 9.2 percent of the total power generation installed capacity. The wind power blade is one of the core components of the wind driven generator and accounts for about 20% of the total cost of the wind driven generator. With the rapid development of the wind power industry, the large-scale batch production is a necessary trend for the development of wind power generation complete machines and related accessory manufacturing enterprises.
With the popularization of wind power generation, wind power generators are built in all parts of the country, especially in places with enough wind power, such as loess high slopes, Xinjiang areas, Tibet areas and Qinghai areas, the population density of the areas is low, more than one year of wind exists in the areas, and the wind power generators are quite suitable for wind power generation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lightning protection breakdown formula wind-powered electricity generation blade.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a lightning protection breakdown formula wind-powered electricity generation blade, includes vertical fan pole and connects the blade on vertical fan pole, still includes the lightning rod that extends formation from vertical fan pole.
Preferably, the top end of the longitudinal fan rod is provided with a cabin box, and the blades are connected to the cabin box; and an annular groove for the lightning rod to pass through is arranged at the position of the engine room box corresponding to the lightning rod.
Preferably, the lightning rod comprises a main rod body and a plurality of auxiliary rods, the auxiliary rods are hinged to the main rod body, and a fixing device used for fixing the auxiliary rods is arranged on the main rod body.
Preferably, the main needle body is provided with a clamping groove for clamping the auxiliary rod, and the fixing device is an electromagnet arranged in the clamping groove.
Preferably, an air cavity is formed in the auxiliary rod, an air hole communicated with the air cavity is formed in the side wall of the auxiliary rod, and an air injection device is arranged in the air cavity.
Preferably, the air injection device comprises an air suction mechanism and an air suction hole.
Preferably, the auxiliary rods are provided with three sets.
To sum up, the utility model discloses following beneficial effect has:
1. through set up the lightning rod above that in this scheme, thereby play lightning-arrest effect, the lightning rod includes main needle body and a plurality of auxiliary rod in addition, the inside cavity of auxiliary rod forms the air cavity, auxiliary rod lateral wall is provided with the gas pocket with the air cavity intercommunication, be provided with air jet system in the air cavity, in sleet day, can put down auxiliary rod, the air jet system who utilizes to set up in auxiliary rod produces the gas of outside injection in the gas pocket, form an air umbrella, thereby reduce the sleet that falls on the blade surface, reduce the possibility of freezing and frosting, reduce the damage to the blade, improve practical life.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a top view of a portion of the structure in the example;
FIG. 3 is a schematic structural view of a part of an embodiment;
FIG. 4 is a schematic structural view of a part of an embodiment;
FIG. 5 is a sectional view of a part of the structure in the embodiment.
In the figure, 1, a longitudinal fan rod; 11. a nacelle box; 111. an annular groove; 2. a blade; 3. a lightning rod; 31. a main needle body; 32. an auxiliary rod; 311. a clamping groove; 321. an air cavity; 322. air holes; 33. and (4) an air suction hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
a lightning protection breakdown type wind power blade comprises a longitudinal wind turbine rod 1, a blade 2 connected to the longitudinal wind turbine rod 1 and a lightning rod 3 formed by extending from the longitudinal wind turbine rod 1, wherein the lightning rod 1 is provided with a lightning protection hole; the lightning rod is arranged on the lightning rod, so that the lightning protection effect is achieved.
As shown in fig. 1 and 2, a nacelle box 11 is arranged at the top end of the longitudinal wind turbine rod 1, and the blades 2 are connected to the nacelle box 11; an annular groove 111 through which the lightning rod 3 passes is provided at a position of the nacelle box 11 corresponding to the lightning rod 3.
As shown in fig. 3 and 4, the lightning rod 3 includes a main rod body 31 and a plurality of auxiliary rods 32, the auxiliary rods 32 are hinged to the main rod body 31, and a fixing device for fixing the auxiliary rods 32 is disposed on the main rod body 31.
As shown in fig. 3 and 4, the main needle body 31 is provided with a clamping groove 311 for clamping the auxiliary rod 32, and the fixing device is an electromagnet arranged in the clamping groove 311.
As shown in fig. 5, the auxiliary lever 32 is hollow inside to form an air chamber 321, the side wall of the auxiliary lever 32 is provided with an air hole 322 communicating with the air chamber 321, and an air injection device is provided in the air chamber 321.
As shown in fig. 5, the air injection device includes an air suction mechanism and an air suction hole 33, and the air suction mechanism sucks air from the air suction hole 33 and then injects the air from the air hole 322 at a high speed; in addition, in rainy and snowy days, the auxiliary rod 32 can be put down, and the air injection device arranged in the auxiliary rod 32 generates gas injected outwards in the air holes 322 to form an air umbrella, so that rain and snow falling on the surface of the blade 2 are reduced, the possibility of icing and frosting is reduced, the damage to the blade is reduced, and the practical life is prolonged.
As shown in fig. 3, the auxiliary levers 32 are provided in three groups.
The working principle is as follows:
through set up the lightning rod above that in this scheme, thereby play lightning-arrest effect, the lightning rod includes main needle body 31 and a plurality of auxiliary rod 32 in addition, the inside cavity of auxiliary rod 32 forms air cavity 321, auxiliary rod 32 lateral wall is provided with the gas pocket 322 with the air cavity 321 intercommunication, be provided with air jet system in the air cavity 321, in sleet day, can put down auxiliary rod 32, the air jet system who utilizes to set up in auxiliary rod 32 produces outside jetted gas in gas pocket 322, form an air umbrella, thereby reduce the sleet that falls on 2 surfaces of blade, reduce the possibility of icing and frosting, reduce the damage to the blade, and the service life is prolonged.
Claims (6)
1. The utility model provides a lightning protection breakdown formula wind-powered electricity generation blade, includes longitudinal fan pole (1) and connects blade (2) on longitudinal fan pole (1), its characterized in that: the lightning rod (3) is formed by extending from the longitudinal fan rod (1); the top end of the longitudinal fan rod (1) is provided with a cabin box (11), and the blades (2) are connected to the cabin box (11); and an annular groove (111) for the lightning rod (3) to pass through is arranged at the position of the engine room box (11) corresponding to the lightning rod (3).
2. The lightning protection breakdown type wind power blade according to claim 1, characterized in that: lightning rod (3) are including main needle body (31) and a plurality of auxiliary rod (32), auxiliary rod (32) are articulated with main needle body (31), be provided with the fixing device who is used for fixed auxiliary rod (32) on main needle body (31).
3. The lightning protection breakdown type wind power blade according to claim 2, characterized in that: the utility model discloses a needle set, including main needle body (31), be provided with joint groove (311) that supply to assist pole (32) joint on the main needle body (31), fixing device is the electro-magnet that sets up in joint groove (311).
4. The lightning protection breakdown type wind power blade according to claim 3, characterized in that: an air cavity (321) is formed in the auxiliary rod (32), an air hole (322) communicated with the air cavity (321) is formed in the side wall of the auxiliary rod (32), and an air injection device is arranged in the air cavity (321).
5. The lightning protection breakdown type wind power blade according to claim 4, characterized in that: the air injection device comprises an air suction mechanism and an air suction hole (33).
6. The lightning protection breakdown type wind power blade according to claim 5, characterized in that: the auxiliary rods (32) are provided with three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022232785.9U CN213870134U (en) | 2020-10-09 | 2020-10-09 | Lightning protection breakdown type wind power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022232785.9U CN213870134U (en) | 2020-10-09 | 2020-10-09 | Lightning protection breakdown type wind power blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213870134U true CN213870134U (en) | 2021-08-03 |
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ID=77070914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022232785.9U Active CN213870134U (en) | 2020-10-09 | 2020-10-09 | Lightning protection breakdown type wind power blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213870134U (en) |
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2020
- 2020-10-09 CN CN202022232785.9U patent/CN213870134U/en active Active
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