CN108252877B - Cabin structure capable of preventing wind sand from invading and wind driven generator - Google Patents
Cabin structure capable of preventing wind sand from invading and wind driven generator Download PDFInfo
- Publication number
- CN108252877B CN108252877B CN201810228228.4A CN201810228228A CN108252877B CN 108252877 B CN108252877 B CN 108252877B CN 201810228228 A CN201810228228 A CN 201810228228A CN 108252877 B CN108252877 B CN 108252877B
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- Prior art keywords
- air outlet
- air
- wind
- tail
- shell
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- 239000004576 sand Substances 0.000 title claims abstract description 46
- 230000002265 prevention Effects 0.000 claims description 13
- 230000009545 invasion Effects 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 8
- 230000004308 accommodation Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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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
- F03D7/00—Controlling wind motors
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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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- 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
Abstract
The invention provides a cabin structure preventing wind and sand invasion and a wind driven generator, and relates to the technical field of wind power generation equipment. The cabin structure of preventing sand intrusion includes: the upper cabin cover comprises an upper shell body, a first accommodating chamber and a first air tail, wherein the first accommodating chamber is used for accommodating the air sucking machine, the first air tail is arranged at one end of the upper shell body, a first air supply channel is formed in the shell wall of the upper shell body, the upper shell body comprises a first air outlet portion and a second air outlet portion, and the first air outlet portion and the second air outlet portion are communicated with the first air supply channel. The lower cabin cover shell corresponds to the upper cabin cover shell in structure; and a tail cover. The upper cabin cover shell and the lower cabin cover shell are spliced to form a containing cavity, and the tail cover is arranged at the position where the first wind tail and the second wind tail are located and seals one end opening of the containing cavity. The wind driven generator comprises a control system, a blower and a cabin structure preventing wind and sand from entering. The cabin structure preventing wind sand from invading and the wind power generator can ensure better service life and reduce overhaul workload.
Description
Technical Field
The invention relates to the technical field of wind power generation equipment, in particular to a cabin structure preventing wind and sand invasion and a wind driven generator.
Background
The wind driven generator is an electric power device which converts wind energy into mechanical work and drives a rotor to rotate and finally outputs alternating current. The wind driven generator generally comprises wind wheels, a generator (comprising a device), a direction regulator (tail wing), a tower, a speed limiting safety mechanism, an energy storage device and the like.
The working principle of the wind driven generator is simple, the wind wheel rotates under the action of wind force, the kinetic energy of wind is converted into mechanical energy of the wind wheel shaft, and the generator rotates to generate electricity under the drive of the wind wheel shaft. In a broad sense, wind energy is also solar energy, so it can be said that a wind power generator is a heat energy utilization generator using the sun as a heat source and using the atmosphere as a working medium.
The wind power generator cabin cover is used as a protection shell of the wind power generator set, and the reliability of the wind power generator cabin cover determines the running stability and the service life of the wind power generator set.
The wind power generator cabin cover covers all components in the cabin therein and is isolated from the outside. Typically, the nacelle cover is made of a glass fiber reinforced plastic.
The existing wind power generator cabin cover still has some problems:
Wind driven generators run in the wild throughout the year and can suffer from attacks of storm, dust and sand abrasion and salt fog erosion, damage to the cabin cover of the wind driven generator can be caused for a long time, the operation of internal devices is affected, frequent maintenance is needed to avoid the situation, but the wind driven generator is often provided with a certain scale, and the maintenance workload is large.
Disclosure of Invention
The invention aims to provide a cabin structure preventing wind and sand invasion, which can reduce overhaul workload.
It is a further object of the present invention to provide a wind power generator comprising the above-mentioned sand-intrusion prevention nacelle structure, which has all the characteristics of the sand-intrusion prevention nacelle structure.
Embodiments of the present invention are implemented as follows:
An embodiment of the present invention provides a nacelle structure that is resistant to intrusion of sand, comprising:
The upper cabin cover comprises an upper shell, a first accommodating chamber and a first air tail, wherein the number of the first accommodating chambers is two, the first accommodating chambers are used for accommodating air sucking fans, the two first accommodating chambers are arranged on the inner walls of two sides of the upper shell, the first air tail is arranged at one end of the upper shell, the first air tail is provided with a plurality of first turbulence holes, a first air supply channel is arranged in the shell wall of the upper shell, the first air supply channel is communicated with the interior of the first accommodating chambers, the first air supply channel is communicated with the interior of the first air tail and is communicated with the outside through the first turbulence holes, the upper shell comprises a first air outlet part and a second air outlet part, the first air outlet part is positioned at one end of the upper shell far away from the first air tail, the second air outlet part is positioned at the side surface of the upper shell, and the first air outlet part and the second air outlet part are both communicated with the first air supply channel;
The lower cabin cover comprises a lower shell, a second accommodating chamber and a second air tail, wherein the number of the second accommodating chambers is two, the second accommodating chambers are used for accommodating air sucking fans, the two second accommodating chambers are arranged on the inner walls of two sides of the lower shell, the second air tail is arranged at one end of the lower shell, the second air tail is provided with a plurality of second turbulence holes, a second air supply channel is arranged in the shell wall of the lower shell, the second air supply channel is communicated with the interior of the second accommodating chambers, the second air supply channel is communicated with the interior of the second air tail and is communicated with the outside through the second turbulence holes, the lower shell comprises a third air outlet part and a fourth air outlet part, the third air outlet part is positioned at one end of the lower shell far away from the second air tail, the fourth air outlet part is positioned at the side surface of the lower shell, and the third air outlet part and the fourth air outlet part are both communicated with the second air supply channel;
A tail cover;
The upper cabin cover shell and the lower cabin cover shell are spliced to form a containing cavity with two open ends for containing parts of the wind driven generator, and the tail cover is arranged at the position where the first wind tail and the second wind tail are located and seals one end opening of the containing cavity.
In addition, the cabin structure for preventing wind and sand intrusion provided by the embodiment of the invention can also have the following additional technical characteristics:
In an optional embodiment of the present invention, the second air outlet portion is a plurality of first through holes distributed at intervals, and air outlet directions of the plurality of first through holes are partially different or all different.
In an optional embodiment of the present invention, the fourth air outlet portion is a plurality of first through holes distributed at intervals, and air outlet directions of the plurality of first through holes are partially different or all different.
In an optional embodiment of the present invention, the second air outlet portion is a single second through hole, and the nacelle structure preventing wind and sand intrusion further includes an upper spoiler disposed on the upper housing and covering the second air outlet portion, where the upper spoiler includes a plurality of upper spoiler holes, and air outlet directions of the plurality of upper spoiler holes are partially different or all different.
In an alternative embodiment of the present invention, the upper spoiler includes a first wind guiding protrusion, and the first wind guiding protrusion is located on a side of the upper spoiler aperture away from the first wind tail.
In an optional embodiment of the present invention, the fourth air outlet portion is a single second through hole, and the nacelle structure preventing wind and sand intrusion further includes a lower spoiler disposed on the lower housing and covering the fourth air outlet portion, where the lower spoiler includes a plurality of lower spoiler holes, and air outlet directions of the plurality of lower spoiler holes are partially different or all different.
In an alternative embodiment of the present invention, the lower spoiler comprises a second wind guiding protrusion located at a side of the lower spoiler aperture remote from the second wind tail.
In an alternative embodiment of the present invention, after the upper cabin cover shell and the lower cabin cover shell are combined, the air outlet directions of the first air outlet portion and the third air outlet portion intersect.
In an alternative embodiment of the present invention, an axis direction of a main shaft of the wind driven generator to be placed in the accommodating cavity is taken as a reference direction, and an included angle between an air outlet direction of the first air outlet portion and the reference direction is 15 °;
And the included angle between the air outlet direction of the third air outlet part and the reference direction is 15 degrees.
The embodiment of the invention provides a wind driven generator, which comprises a control system, a suction blower and a cabin structure preventing wind and sand intrusion, wherein the control system is used for controlling the start and stop of the suction blower, the number of the suction blowers is multiple, part of the suction blowers are arranged in a first accommodating chamber, and the other part of the suction blowers are arranged in a second accommodating chamber.
The beneficial effects of the invention are as follows:
the cabin structure preventing wind sand from invading can form disturbance outside through the cooperation of the upper cabin cover shell, the lower cabin cover shell and the tail cover and the wind source provided by the air sucking machine, so that the cabin structure preventing wind sand from invading is prevented from being affected by external wind sand or other sundries, the service life is ensured, the overhaul frequency is reduced, the overhaul workload is further reduced, and the long-term work of the wind driven generator is facilitated.
By using the wind-driven generator cabin structure preventing wind and sand from invading, the wind-driven generator can ensure better service life and reduce overhaul workload.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a nacelle structure for preventing intrusion of wind and sand provided in embodiment 1 of the present invention;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is a schematic view of a first second air outlet;
FIG. 4 is a schematic view of a first fourth air outlet;
FIG. 5 is a schematic view of a second air outlet;
FIG. 6 is a schematic view of a second fourth air outlet;
FIG. 7 is a schematic view of an upper spoiler;
FIG. 8 is an enlarged partial view of portion B of FIG. 7;
FIG. 9 is a schematic view of a lower spoiler.
Icon: 100-a nacelle structure preventing intrusion of sand; 10-an upper cabin cover; 11-an upper housing; 112-a first air supply channel; 114-a first air outlet part; 116-a second air outlet part; 1161-a first via; 1163-second through holes; 13-a first accommodation chamber; 15-a first wind tail; 152-a first disturbance orifice; 30-lower cabin cover shell; 31-a lower housing; 312-a second air supply channel; 314-a third air outlet part; 316-a fourth air outlet part; 33-a second accommodation chamber; 35-a second wind tail; 352-second scramble hole; 50-tail cover; 60-upper spoiler cover; 601-upper scrambling apertures; 603-a first wind guiding protrusion; 62-lower spoiler cover; 621-lower disturbance orifice; 623-a second wind guiding protrusion; 101-a receiving chamber; 102-reference direction.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
Example 1
Referring to fig. 1 to 9, the present embodiment provides a nacelle structure 100 for preventing wind and sand intrusion, including:
The upper cabin cover 10, the upper cabin cover 10 includes an upper shell 11, a first accommodating chamber 13 and a first air tail 15, the number of the first accommodating chambers 13 is two, the first accommodating chambers 13 are used for accommodating the air sucking fans, the two first accommodating chambers 13 are arranged on the inner walls of two sides of the upper shell 11, the first air tail 15 is arranged at one end of the upper shell 11, the first air tail 15 is provided with a plurality of first air disturbing holes 152, a first air supply channel 112 is arranged in the shell wall of the upper shell 11, the first air supply channel 112 is communicated with the interior of the first accommodating chambers 13, the first air supply channel 112 is communicated with the interior of the first air tail 15 and is communicated with the outside through the first air disturbing holes 152, the upper shell 11 includes a first air outlet 114 and a second air outlet 116, the first air outlet 114 is positioned at one end of the upper shell 11 far away from the first air tail 15, the second air outlet 116 is positioned at the side of the upper shell 11, and the first air outlet 114 and the second air outlet 116 are communicated with the first air supply channel 112;
The lower cabin cover 30, the lower cabin cover 30 includes a lower shell 31, a second accommodating chamber 33 and a second air tail 35, the number of the second accommodating chambers 33 is two, the second accommodating chambers 33 are used for accommodating the air sucking fans, the two second accommodating chambers 33 are arranged on the inner walls of two sides of the lower shell 31, the second air tail 35 is arranged at one end of the lower shell 31, the second air tail 35 is provided with a plurality of second air disturbing holes 352, a second air supply channel 312 is arranged in the shell wall of the lower shell 31, the second air supply channel 312 is communicated with the interior of the second accommodating chambers 33, the second air supply channel 312 is communicated with the interior of the second air tail 35 and is communicated with the outside through the second air disturbing holes 352, the lower shell 31 includes a third air outlet 314 and a fourth air outlet 316, the third air outlet 314 is arranged at one end of the lower shell 31 far away from the second air tail 35, the fourth air outlet 316 is arranged at the side of the lower shell 31, and the third air outlet 314 and the fourth air outlet 316 are communicated with the second air supply channel 312;
A tail cover 50;
The upper cabin cover 10 and the lower cabin cover 30 are spliced to form a containing cavity 101 with two open ends for containing parts of the wind driven generator, and the tail cover 50 is arranged at the position where the first wind tail 15 and the second wind tail 35 are located and seals one open end of the containing cavity 101.
Optionally, the second air outlet 116 is a plurality of first through holes 1161 distributed at intervals, and the air outlet directions of the plurality of first through holes 1161 are partially different or all different.
The fourth air outlet portion 316 is a plurality of first through holes 1161 distributed at intervals, and the air outlet directions of the plurality of first through holes 1161 are partially different or all different.
Thus, the wind from the first through hole 1161 is disturbed in a staggered manner, so that the invasion of wind sand or other sundries can be prevented.
Optionally, the second air outlet 116 is a single second through hole 1163, the nacelle structure 100 for preventing wind and sand intrusion further includes an upper spoiler 60, the upper spoiler 60 is disposed on the upper housing 11 and covers the second air outlet 116, the upper spoiler 60 includes a plurality of upper spoiler holes 601, and the air outlet directions of the plurality of upper spoiler holes 601 are partially different or all different.
Based on the second air outlet 116, the upper spoiler 60 includes a first air guiding protrusion 603, and the first air guiding protrusion 603 is located on a side of the upper spoiler hole 601 away from the first wind tail 15. Therefore, the wind blown in the wind wheel direction is guided to deviate, the impact on the external turbulent flow area of the upper turbulent flow hole 601 is not directly formed, and the turbulent flow effect is ensured.
The fourth air outlet 316 is a single second through hole 1163, the nacelle structure 100 for preventing wind and sand intrusion further includes a lower spoiler 62, the lower spoiler 62 is disposed on the lower housing 31 and covers the fourth air outlet 316, the lower spoiler 62 includes a plurality of lower spoiler holes 621, and air outlet directions of the plurality of lower spoiler holes 621 are partially different or completely different.
The wind exiting from the second through hole 1163 can be guided through the upper turbulence holes 601 or the lower turbulence holes 621 and disturbed by being staggered with each other at the outside, so that it is possible to block the invasion of wind sand or other foreign matters.
Based on the second and fourth air outlet portions 316, the lower spoiler 62 includes a second air guiding protrusion 623, and the second air guiding protrusion 623 is located at a side of the lower spoiler hole 621 away from the second wind tail 35. Therefore, the wind blown in the direction of the wind wheel is guided to deviate, the impact on the external turbulent flow area of the lower turbulent flow hole 621 is not directly formed, and the turbulent flow effect is ensured.
In fig. 1, the second air outlet 116, the second air outlet 316, and the upper spoiler 60 and the lower spoiler 62 are matched.
Specifically, after the upper cabin casing 10 and the lower cabin casing 30 are assembled, the air outlet directions of the first air outlet portion 114 and the third air outlet portion 314 intersect.
More specifically, taking the axis direction of the main shaft of the wind driven generator to be placed in the accommodating cavity 101 as a reference direction 102, an included angle between the air outlet direction of the first air outlet portion 114 and the reference direction 102 is 15 °;
the air-out direction of the third air-out portion 314 has an included angle of 15 ° with the reference direction 102.
By the aid of the angle design, wind energy from the first wind outlet portion 114 and the third wind outlet portion 314 can meet and disturb on the side, away from the tail cover 50, of the accommodating cavity 101, and wind and sand are prevented from entering the position as much as possible.
The principle of this embodiment is:
The suction fan is disposed in the first accommodating chamber 13 and the second accommodating chamber 33, and the suction fan may refer to the prior art, and will not be described herein.
When the blower works, the blower can blow air outwards through the first air blowing channel 112 and the second air blowing channel 312, the tail part of the tail cover 50 is the tail part, and the head part is the end far away from the tail cover 50. The air sent out can form disturbance by the cooperation of the first air outlet part 114 and the third air outlet part 314 at the head part, so that the invasion of external wind and sand can be prevented.
At the junction of the tail cover 50 with the upper cabin cover 10 and the lower cabin cover 30, disturbance is also formed by the action of the first disturbance hole 152 and the second disturbance hole 352, so that external sand and wind are prevented from entering at the junction of the tail cover 50 with the upper cabin cover 10 and the lower cabin cover 30.
And the upper and lower sides, through the cooperation of second air-out portion 116 and fourth air-out portion 316, can also form the vortex in the outside, prevent that there is sand blown by the wind to invade in holding chamber 101, also can reduce outside sand blown by the wind or other debris and cause too much impact to the cabin structure 100 whole that prevent sand invasion, ensure life.
The cooperation of the first air supply channel 112, the second air supply channel 312 and each air outlet portion of the nacelle structure 100 with the intrusion of wind and sand prevention in this embodiment can form disturbance in a large part of the outside area of the structure, thereby avoiding direct collision of the wind and sand outside or intrusion into the structure, reducing the breakage rate of the structure, reducing the frequency of maintenance and reducing the maintenance workload.
Example 2
The present embodiment provides a wind power generator including a control system, a plurality of suction blowers, a part of which is disposed in a first accommodation chamber 13, and another part of which is disposed in a second accommodation chamber 33, and a nacelle structure 100 for preventing intrusion of wind and sand in embodiment 1.
Other structures and components of the wind driven generator can refer to the prior art, and are not repeated herein.
By using the wind sand intrusion prevention nacelle structure 100 of embodiment 1, the frequency of maintenance of the wind turbine can be reduced to some extent, thereby reducing the maintenance workload. And because the air sucking and blowing machine works in the accommodating cavity 101, a certain heat dissipation effect can be achieved on other components in the accommodating cavity 101, and the service life of the wind driven generator is further prolonged.
The start and stop of the air suction blower can be controlled by a control system of the wind driven generator, and the control system of the wind driven generator can refer to the prior art.
In summary, according to the wind sand intrusion prevention cabin structure 100 of the present invention, through the cooperation of the upper cabin cover 10, the lower cabin cover 30 and the tail cover 50, and in combination with the wind source provided by the blower, disturbance can be formed outside, so that the wind sand intrusion prevention cabin structure 100 is prevented from being impacted by external wind sand or other impurities, and the service life is ensured, thereby reducing the maintenance frequency, further reducing the maintenance workload, and facilitating the long-term operation of the wind driven generator.
By using the nacelle structure 100 preventing wind and sand intrusion, the wind driven generator can ensure a better service life and reduce the overhaul workload.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A wind sand intrusion prevention nacelle structure, comprising:
The upper cabin cover comprises an upper shell, a first accommodating chamber and a first air tail, wherein the number of the first accommodating chambers is two, the first accommodating chambers are used for accommodating air sucking fans, the two first accommodating chambers are arranged on the inner walls of two sides of the upper shell, the first air tail is arranged at one end of the upper shell, the first air tail is provided with a plurality of first turbulence holes, a first air supply channel is arranged in the shell wall of the upper shell, the first air supply channel is communicated with the interior of the first accommodating chambers, the first air supply channel is communicated with the interior of the first air tail and is communicated with the outside through the first turbulence holes, the upper shell comprises a first air outlet part and a second air outlet part, the first air outlet part is positioned at one end of the upper shell far away from the first air tail, the second air outlet part is positioned at the side surface of the upper shell, and the first air outlet part and the second air outlet part are both communicated with the first air supply channel;
The lower cabin cover comprises a lower shell, a second accommodating chamber and a second air tail, wherein the number of the second accommodating chambers is two, the second accommodating chambers are used for accommodating air sucking fans, the two second accommodating chambers are arranged on the inner walls of two sides of the lower shell, the second air tail is arranged at one end of the lower shell, the second air tail is provided with a plurality of second turbulence holes, a second air supply channel is arranged in the shell wall of the lower shell, the second air supply channel is communicated with the interior of the second accommodating chambers, the second air supply channel is communicated with the interior of the second air tail and is communicated with the outside through the second turbulence holes, the lower shell comprises a third air outlet part and a fourth air outlet part, the third air outlet part is positioned at one end of the lower shell far away from the second air tail, the fourth air outlet part is positioned at the side surface of the lower shell, and the third air outlet part and the fourth air outlet part are both communicated with the second air supply channel;
A tail cover;
The upper cabin cover shell and the lower cabin cover shell are spliced to form a containing cavity with two open ends for containing parts of the wind driven generator, and the tail cover is arranged at the position where the first wind tail and the second wind tail are located and seals one open end of the containing cavity;
The second air outlet part is provided with a plurality of first through holes which are distributed at intervals, and the air outlet directions of the first through holes are partially or totally different;
the fourth air outlet part is provided with a plurality of first through holes which are distributed at intervals, and the air outlet directions of the first through holes are partially different or completely different.
2. The sand intrusion prevention nacelle structure of claim 1, wherein the second air outlet is a single second through hole, and further comprising an upper spoiler cover disposed on the upper housing and covering the second air outlet, the upper spoiler cover comprising a plurality of upper spoiler holes, wherein the plurality of upper spoiler holes have partially or completely different air outlet directions.
3. The sand intrusion prevention nacelle structure of claim 2, wherein the upper spoiler comprises a first wind guiding protrusion located on a side of the upper spoiler aperture remote from the first wind tail.
4. The sand intrusion prevention nacelle structure of claim 1, wherein the fourth air outlet is a single second through hole, and further comprising a lower spoiler disposed in the lower housing and housing the fourth air outlet, the lower spoiler comprising a plurality of lower spoiler apertures, the plurality of lower spoiler apertures having partially or fully different air outlet directions.
5. The sand intrusion prevention nacelle structure of claim 4, wherein the lower spoiler comprises a second wind scooper located on a side of the lower spoiler aperture remote from the second wind tail.
6. The sand intrusion prevention nacelle structure of claim 1, wherein the air outlet directions of the first air outlet portion and the third air outlet portion intersect after the upper nacelle cover and the lower nacelle cover are joined.
7. The wind-sand-intrusion prevention nacelle structure according to claim 6, wherein an axis direction of a main shaft of the wind turbine to be placed in the accommodating chamber is taken as a reference direction, and an included angle between an air outlet direction of the first air outlet portion and the reference direction is 15 °;
And the included angle between the air outlet direction of the third air outlet part and the reference direction is 15 degrees.
8. A wind driven generator, comprising a control system, a suction fan and the cabin structure for preventing wind sand intrusion according to any one of claims 1-7, wherein the control system is used for controlling the start and stop of the suction fan, the number of the suction fans is a plurality, part of the suction fans are arranged in the first accommodating chamber, and the other part of the suction fans are arranged in the second accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228228.4A CN108252877B (en) | 2018-03-20 | 2018-03-20 | Cabin structure capable of preventing wind sand from invading and wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228228.4A CN108252877B (en) | 2018-03-20 | 2018-03-20 | Cabin structure capable of preventing wind sand from invading and wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108252877A CN108252877A (en) | 2018-07-06 |
| CN108252877B true CN108252877B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810228228.4A Active CN108252877B (en) | 2018-03-20 | 2018-03-20 | Cabin structure capable of preventing wind sand from invading and wind driven generator |
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| CN (1) | CN108252877B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347842Y (en) * | 2008-12-03 | 2009-11-18 | 广东明阳风电技术有限公司 | System for preventing sand storm |
| CN201972863U (en) * | 2010-12-31 | 2011-09-14 | 国电联合动力技术有限公司 | Wind-sand preventing engine room cover |
| CN106677999A (en) * | 2015-11-06 | 2017-05-17 | 优利康达（天津）科技有限公司 | Cabin cover of dustproof and windproof power generator |
| CN207974927U (en) * | 2018-03-20 | 2018-10-16 | 盐城工学院 | The engine room structure and wind-driven generator of sand-proof intrusion |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004064007B4 (en) * | 2004-09-24 | 2009-08-20 | Aloys Wobben | Wind turbine with a generator cooling |
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2018
- 2018-03-20 CN CN201810228228.4A patent/CN108252877B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347842Y (en) * | 2008-12-03 | 2009-11-18 | 广东明阳风电技术有限公司 | System for preventing sand storm |
| CN201972863U (en) * | 2010-12-31 | 2011-09-14 | 国电联合动力技术有限公司 | Wind-sand preventing engine room cover |
| CN106677999A (en) * | 2015-11-06 | 2017-05-17 | 优利康达（天津）科技有限公司 | Cabin cover of dustproof and windproof power generator |
| CN207974927U (en) * | 2018-03-20 | 2018-10-16 | 盐城工学院 | The engine room structure and wind-driven generator of sand-proof intrusion |
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| 内蒙古蒙西电网变电站风沙影响分析及设计防护应对措施;曹效义;;内蒙古科技与经济(第07期);第79-80页 * |
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| Publication number | Publication date |
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| CN108252877A (en) | 2018-07-06 |
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