CN101696672B - Distribution mode for components of wind generating set engine room and structure thereof - Google Patents
Distribution mode for components of wind generating set engine room and structure thereof Download PDFInfo
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- CN101696672B CN101696672B CN2009100446793A CN200910044679A CN101696672B CN 101696672 B CN101696672 B CN 101696672B CN 2009100446793 A CN2009100446793 A CN 2009100446793A CN 200910044679 A CN200910044679 A CN 200910044679A CN 101696672 B CN101696672 B CN 101696672B
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- ventilator cowling
- cabin
- engine room
- cabin main
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention relates to a distribution mode for components of a wind generating set engine room, which adopts a detachable distribution mode. The engine room main body of the wind generating set engine room is provided with a platform on the top surface thereof; because of the platform, the top surface of the engine room main body has a planar non-full circle section structure; a ventilation hood and a tail wing plate are separated from the engine room main body to form a plurality of mutually detachable parts and are arranged on the platform on the top surface of the engine room main body through fasteners; and the ventilation hood and the tail wing plate are detached to be transported in the transportation process and arranged on the engine room main body by the fasteners on the spot. A circle segment area is formed between the outlet of the ventilation hood and the tail wing plate. The circle segment area forms a negative pressure area when the air flows through the ventilation hood and the platform on the top surface of the engine room. When flowing along the curve wall of the ventilation hood to the outlet of the ventilation hood, the airflow outside the engine room generates pressure gradient because of the existence of the circle segment area, and the separated space forms the negative pressure area because of no filling airflow.
Description
Technical field
The present invention relates to a kind of generator set device arrangements mode and structure thereof.Be a kind of distribution mode for components and structure thereof of wind generating set engine room specifically, be mainly used in high-power horizontal axis compact type wind power generating set.
Background technique
In recent years along with the rapid growth of China's economy, the contradiction of whole nation power supply shortage is more and more outstanding, therefore as except that water power, the most ripe, on the largest scale and have the wind-power electricity generation of commercialized development prospect also to obtain the development of high speed in recent years most in the renewable energy sources development and use.Wind-power electricity generation mainly comprises parts such as generator, blade and tower tube, and wherein generator is mounted in the cabin, and the cabin is used for the whole generating machine is wrapped up.Because mostly the commercial off-the-shelf that can be used for of China's development in the past is low power wind-driven generator, comparatively speaking, small-sized wind power generator cabin boundary dimension is less, substantially all be to adopt when processing and fabricating, just the cabin to be assembled with generator, again cabin integral body be transported to the erecting bed together.
And the continuous introduction that was accompanied by domestic high-power wind-driven generator in recent years absorbs and research and development, we find for the bigger wind-driven generator of relative power, adopt cabin part complete machine transportation unlikely, promptly the cabin part must be resolved into several parts and transport separately.Transportation is decomposed in the cabin will bring a lot of problems, and the first, a lot of assembly workings of cabin part cannot be finished at assembly shop, and these work must go to finish at the arduous wind field of condition; The second, freight is very high, is several times of complete machine freight; The 3rd, after several parts were resolved in the cabin, these several parts must be equipped with highly difficult independent packaging sealing, have increased a large amount of unnecessary work and expense; The 4th, after the cabin was resolved into several parts and is transported to wind field, the Security of cabin part component will reduce significantly.
Therefore necessary existing wind generating set engine room is improved.
Summary of the invention
The objective of the invention is to deficiency, propose a kind of high-power wind-driven generator cabin that can solve and to decompose transportation problem, thereby make the cabin can be to transport than good working condition at existing wind generating set engine room; And can reduce the distribution mode for components and the wind generating set engine room form structure thereof of the wind generating set engine room of blower fan air resistance coefficient.
The technology implementation scheme that purpose proposed according to invention is: a kind of distribution mode for components of wind generating set engine room, take detachable arrangement, the cabin main body of wind generating set engine room is that end face has a platform, platform makes that the end face of cabin main body is plane non-full circle shape cross-sectional configuration, and ventilator cowling and tail plate and cabin main body are split up into the several parts that can dismantle mutually, and ventilator cowling and tail plate are installed on the platform of cabin main body end face by fastening piece; Ventilator cowling and tail plate disassemble transportation in transit, ventilator cowling and tail plate are installed on the main body of cabin by fastening piece at the scene again.Exporting at ventilator cowling has a circle missing plot territory between the tail plate; Negative pressuren zone when territory, circle missing plot forms gas flow by ventilator cowling and cabin main body end face platform, air-flow is when the ventilator cowling curved wall flows outside the cabin, arrive the ventilator cowling outlet port because the existence in territory, circle missing plot, to produce pressure gradient, owing to the existence of pressure gradient makes the flow shedding wall, space after the disengaging is not owing to there is air-flow to fill, form negative pressuren zone, promptly will form negative pressuren zone in the ventilator cowling outlet port, form swabbing effect by the draught head inside and outside the ventilator cowling, the high temperature gas flow in the ventilator cowling is flowed to outside the cabin smoothly.
According to a kind of wind generating set engine room, comprise the cabin main body, ventilator cowling and tail plate, wherein, ventilator cowling is installed on the end face of cabin body front part, tail plate is installed on the end face of cabin main body afterbody: the cabin main body is non-full circle shape cross-sectional configuration, the end face towards the sky of cabin main body has one by the full circle formed platform of pruning, ventilator cowling is installed in the cabin main body on the sky platform, and the profile section of ventilator cowling is lacked the shape similar shape by lacking circle with the cabin main body, to guarantee that ventilator cowling is installed on the main body of cabin rear venting cover part and can recovers circular substantially, on the cabin main body end face platform of the front of ventilator cowling, preceding overhead guard is installed, preceding overhead guard is the scarce segment in main body top, additional cabin, current overhead guard is installed in that the after engine room main body reverts to the full circle shape substantially on the main body of cabin, forms whole slender contour.And after ventilator cowling, preceding overhead guard and tail plate are separately made moulding, be connected on the cabin by fastening piece again.Can only ventilator cowling, preceding overhead guard and tail plate be unloaded when transportation like this, the base main body in whole cabin had so both reduced the integrity of engine rooms of wind power generators still together, the height when greatly reducing the engine rooms of wind power generators transportation again.
The concrete advantage of the present invention shows as following three aspects:
1, the cabin can be with more complete state shipping, only ventilator cowling, preceding overhead guard and tail plate need be unloaded during transportation, thereby reduce the assembly working of cabin main body, improved the Transport Safety of cabin part component, reduced the freight of cabin part at wind field.
2, cabin main body slender contour, thus the air resistance coefficient of blower fan reduced, reduce the wind that blower fan bears and carry.
Description of drawings
Fig. 1 is an engine room structure schematic front view of the present invention;
Fig. 2 is ventilator cowling both sides throughput computation models;
Fig. 3 is an engine room structure diagrammatic top view of the present invention;
Fig. 4 engine room structure diagrammatic side view of the present invention.
Among the figure: 1, tail plate; 2, cabin main body; 3, ventilator cowling; 4, preceding overhead guard; 5, platform; 6, oil cooling blower fan; 7, oil cooling heat dissipation wind channel.
Embodiment
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1, Fig. 3 and Fig. 4 have provided one embodiment of the present of invention structural representation, and as can be seen, the present invention is a kind of wind generating set engine room from accompanying drawing.
The parts of wind generating set engine room are taked detachable arrangement, the cabin main body 2 of wind generating set engine room has a platform 5 for end face, platform 5 makes that the end face of cabin main body 2 is plane non-full circle shape cross-sectional configuration, ventilator cowling 3 and tail plate 1 are split up into the several parts that can dismantle mutually with cabin main body 2, and ventilator cowling 3 and tail plate 1 are installed on the platform 5 of cabin main body end face by fastening piece; Ventilator cowling 3 and tail plate 1 disassemble transportation in transit, ventilator cowling 3 and tail plate 1 are installed on the cabin main body 2 by fastening piece at the scene again.Exporting at ventilator cowling 3 has a circle missing plot territory between the tail plate 1; Negative pressuren zone when territory, circle missing plot forms gas flow by ventilator cowling 3 and cabin main body 2 end face platforms, air-flow is when the ventilator cowling curved wall flows outside the cabin, arrive ventilator cowling 3 outlet ports because the existence in territory, circle missing plot, to produce pressure gradient, owing to the existence of pressure gradient makes the flow shedding wall, space after the disengaging is not owing to there is air-flow to fill, form negative pressuren zone, promptly will form negative pressuren zone in ventilator cowling 3 outlet ports, form swabbing effect by ventilator cowling 3 inside and outside draught heads, the high temperature gas flow in the ventilator cowling is flowed to outside the cabin smoothly.Airflow direction is shown in Fig. 1 arrow.
The A district is a negative pressuren zone among Fig. 2, and the represented size of A is calculated as follows:
The air speed of incoming flow is 12m/s, density is 1.225kg/m3, kinematic viscosity is v=14.8X10-6m2/s, regarding it as cylndrical surface streams, the cylindrical body obstacle length is 1.02m, therefore its mobile reynolds' number is Re=ul/v=12X1.02/14.8X10-6=0.827X10-6, and A district thickness can myopia be regarded as and streamed velocity gradient thickness, so A ≈ δ=0.3821/Rel/5=0.382X1.02/ (0.827X10-6)=0.4m.Therefore the longitudinal size of obstacle needs can generate a negative pressuren zone like this greater than 0.4m before the oil cooling radiator ventilator cowling exhaust outlet, helps the smooth outflow of hot air flow.The practical design data are A=0.44m.
This cabin comprises cabin main body 2, ventilator cowling 3 and tail plate 1, wherein, ventilator cowling 3 is installed on the end face of cabin main body 2 front portions, tail plate 1 is installed on the end face of cabin main body 2 afterbodys, its characteristics are: cabin main body 2 is non-full circle shape structure, the end face towards the sky of cabin main body has one by the full circle formed platform 5 of pruning, ventilator cowling 3 is installed in the cabin main body on sky platform 5, and ventilator cowling 3 is lacked the shape similar shape by lacking circle with cabin main body 2, can be consistent to guarantee that ventilator cowling 3 is installed on the cabin main body 2 rear venting cover 3 parts with cabin main body institute scarce circular block shape, overhead guard before the front of ventilator cowling is equipped with one, preceding overhead guard is the scarce segment in main body top, additional cabin, current overhead guard 3 is installed in that after engine room main body 2 front portions revert to the full circle shape substantially on the cabin main body 2, forms whole slender contour.And after ventilator cowling 3, preceding overhead guard 4 and tail plate 1 are separately made moulding, be connected on the cabin main body 2 by fastening piece again.Can only ventilator cowling 3, preceding overhead guard 4 and tail plate 1 be unloaded when transportation like this, the base main body in whole cabin had so both guaranteed the integrity of engine rooms of wind power generators still together, the height when greatly reducing the engine rooms of wind power generators transportation again.
This cabin can will separate transportation with ventilator cowling 3, preceding overhead guard 4 and tail plate 1 and cabin main body 2 with than the good working condition shipping when shipping.The build-up member of this state accounts for more than 95% of whole engine department sub-unit, the assembling work amount accounts for more than 98% of whole cabin assembling work amount, so both solved the former transportation defeated boundary problem of overhauling, reduced freight, reduced wind field assembling work amount again largely.The effective boundary dimension in cabin is 7731mm (length) * 4000mm (wide) * 3300mm (height).
Claims (4)
1. the distribution mode for components of a wind generating set engine room, it is characterized in that: take detachable arrangement, the cabin main body of wind generating set engine room is that end face has a platform, platform makes that the cabin main body is that end face is plane non-full circle shape cross-sectional configuration, and ventilator cowling and tail plate and cabin main body are split up into the part that can dismantle mutually, and ventilator cowling and tail plate are installed on the platform of cabin main body end face by fastening piece; Ventilator cowling and tail plate disassemble transportation in transit, ventilator cowling and tail plate are installed on the main body of cabin by fastening piece at the scene again; Exporting at ventilator cowling has a circle missing plot territory between the tail plate; Negative pressuren zone when territory, circle missing plot forms gas flow by ventilator cowling and cabin main body end face platform, air-flow is when the ventilator cowling curved wall flows outside the cabin, arrive the ventilator cowling outlet port because the existence in territory, circle missing plot, to produce pressure gradient, owing to the existence of pressure gradient makes the flow shedding wall, space after the disengaging is not owing to there is air-flow to fill, form negative pressuren zone, promptly will form negative pressuren zone in the ventilator cowling outlet port, form swabbing effect by the draught head inside and outside the ventilator cowling, the high temperature gas flow in the ventilator cowling is flowed to outside the cabin smoothly.
2. wind generating set engine room of realizing the distribution mode for components of the described wind generating set engine room of claim 1, comprise cabin main body (2), ventilator cowling (3) and tail plate (1), wherein, ventilator cowling (3) is installed on the anterior end face of cabin main body (2), tail plate (1) is installed on the end face of cabin main body (2) afterbody, it is characterized in that: cabin main body (2) is non-full circle shape structure, the end face towards the sky of cabin main body has one by the full circle formed platform (5) of pruning, ventilator cowling (3) is installed in the cabin main body on sky platform (5), overhead guard before the front of ventilator cowling is equipped with one, preceding overhead guard is the scarce segment in main body top, additional cabin, the cabin main body (2) that is installed in current overhead guard (4) goes up after engine room main body (2) front portion and reverts to the full circle shape substantially, forms whole slender contour.
3. wind generating set engine room according to claim 2, it is characterized in that: ventilator cowling (3) is by being lacked the round shape similar shape that lacks with cabin main body (2), and upward rear venting cover (3) part can be consistent with a cabin main body scarce circular block shape to guarantee being installed in cabin main body (2) by ventilator cowling (3).
4. wind generating set engine room according to claim 2 is characterized in that: after ventilator cowling (3), preceding overhead guard (4) and tail plate (1) are separately made moulding, be connected on the cabin main body (2) by fastening piece again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100446793A CN101696672B (en) | 2009-11-02 | 2009-11-02 | Distribution mode for components of wind generating set engine room and structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100446793A CN101696672B (en) | 2009-11-02 | 2009-11-02 | Distribution mode for components of wind generating set engine room and structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101696672A CN101696672A (en) | 2010-04-21 |
| CN101696672B true CN101696672B (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100446793A Expired - Fee Related CN101696672B (en) | 2009-11-02 | 2009-11-02 | Distribution mode for components of wind generating set engine room and structure thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102644B (en) * | 2011-04-08 | 2012-07-04 | 南车株洲电力机车研究所有限公司 | Adjustable supporting device for wind power generating unit engine room |
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2009
- 2009-11-02 CN CN2009100446793A patent/CN101696672B/en not_active Expired - Fee Related
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| CN101696672A (en) | 2010-04-21 |
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Granted publication date: 20111026 Termination date: 20191102 |
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