CN214330808U - Engine room cover of wind generating set - Google Patents

Engine room cover of wind generating set Download PDF

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Publication number
CN214330808U
CN214330808U CN202022546172.2U CN202022546172U CN214330808U CN 214330808 U CN214330808 U CN 214330808U CN 202022546172 U CN202022546172 U CN 202022546172U CN 214330808 U CN214330808 U CN 214330808U
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CN
China
Prior art keywords
cabin cover
generating set
inner chamber
wind generating
pipe
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Active
Application number
CN202022546172.2U
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Chinese (zh)
Inventor
田志杰
刘国恩
赵雷雷
武宏亮
杜苗苗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hua Zhong State Power Group Co ltd
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Hua Zhong State Power Group Co ltd
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Priority to CN202022546172.2U priority Critical patent/CN214330808U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The utility model discloses a wind generating set's cabin cover belongs to wind generating set technical field, including cabin cover casing, laminating on the cabin cover casing inside wall installs insulating lightning-arrest layer, the inside complex of insulating lightning-arrest layer has conductive metal net, conductive metal net connects in cabin cover casing, conductive metal net lower extreme electric connection has electrically conductive awl, cabin cover casing is inside to have seted up cabin cover inner chamber, the equal fixed mounting of lower extreme has the liquid cooling cooler on the cabin cover inner chamber inside, the air inlet divertor is installed all to the lower extreme intercommunication on cabin cover inner chamber left side. The utility model relates to a novelty, be convenient for operation and excellent in use effect adopt dual cooling system, can improve radiating efficiency and radiating effect, can effectively dispel the heat of wind generating set inside fast to can make the cabin cover have insulating lightning-arrest function, in thunderstorm weather, prevent that the thunderbolt from damaging wind generating set.

Description

Engine room cover of wind generating set
Technical Field
The utility model relates to a wind generating set technical field especially relates to a wind generating set's cabin cover.
Background
The wind generating set can be divided into a wind wheel, a cabin, a tower and a foundation. The nacelle consists of a nacelle chassis, a fairing and a nacelle cover. The wind wheel, the bearing seat, the speed increasing box, the generator, the yaw drive and other components are arranged on the engine room chassis, and the functions of positioning and bearing are achieved. Therefore, how to solve the problem of heat dissipation in the nacelle becomes a very serious problem under the condition that all main components can work normally in a sealed nacelle, and the heat dissipation problem in the sealed nacelle is faced by both the double-fed wind generating set and the direct-drive permanent magnet wind generating set.
Patent number CN202108678U discloses an engine room cover for a wind generating set, which belongs to the technical field of wind generating sets. The utility model discloses it has the wind channel to open on the cabin cover afterbody inner wall, it has the vent to open on the cabin cover outer wall in wind channel, the wind channel is connected with the generator air exit. The utility model discloses a set up the wind channel at cabin afterbody inner wall, can directly arrange the cabin outside with the hot-air that the generator gived off directly, reach the purpose that reduces the cabin in temperature, the hot-air entering cabin that has prevented the generator production carries out the secondary cycle, has guaranteed that the fan stabilizes fast-speed operation, and its simple structure, easily realizes, and the input cost is not big.
The above patents have the following disadvantages: 1. the heat dissipation efficiency is low, the heat dissipation effect is poor, and the heat inside the wind generating set cannot be effectively and quickly dissipated; 2. the wind generating set is not provided with an insulating lightning protection function, and is easy to be struck by lightning in thunderstorm weather so as to damage the wind generating set. To this end, we propose a nacelle cover of a wind turbine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cabin cover of a wind generating set, which has novel design, convenient operation and good use effect, and aims to adopt a dual heat dissipation system through an air inlet fluid director and a liquid cooling cooler to improve the heat dissipation efficiency and the heat dissipation effect and effectively and rapidly dissipate the heat in the wind generating set; through the insulating lightning protection layer, the cabin cover has the insulating lightning protection function, and the wind generating set is prevented from being damaged by lightning stroke in thunderstorm weather.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of wind generating set's cabin cover, including cabin cover casing, laminating on the cabin cover casing inside wall installs insulating lightning-arrest layer, insulating lightning-arrest layer internal complex has the conductive metal net, conductive metal net connects in cabin cover casing, conductive metal net lower extreme electric connection has electrically conductive awl, conductive awl lower extreme fixedly connected with electrically conducts the ground wire, cabin cover casing is inside to have seted up cabin cover inner chamber, the equal fixed mounting of lower extreme has the cooler liquid cooling ware on cabin cover inner chamber inside, generating set is installed at cabin cover inner chamber inside center, the air inlet divertor is all installed to the lower extreme intercommunication on cabin cover inner chamber left side.
Optionally, the liquid cooling cooler is formed by alternately communicating and installing a vertical water pipe and a transverse water pipe, the upper end and the lower end of the vertical water pipe are fixedly communicated and provided with a circulating water pump through a backflow circulating pipe, and the two ends of the transverse water pipe are communicated and provided with a bent communicating pipe.
Optionally, a pump shaft is installed in the center inside the circulating water pump, a pump blade is fixedly installed on the pump shaft, and two ends of the circulating water pump are communicated with each other to form a circulating opening.
Optionally, a diversion bent pipe is installed on the air inlet flow guider, the upper end of the diversion bent pipe is communicated with an air inlet cover, and the lower end of the diversion bent pipe is communicated with an air delivery pipe.
Optionally, a fan blade shaft penetrates through the generator set, and a wind power fan blade is fixedly mounted at the front end of the fan blade shaft.
The utility model has the advantages as follows:
1. the utility model has novel design, convenient operation and good use effect, through being provided with the air inlet flow guider and the liquid cooling cooler, in work, the generator set generates electricity due to the operation of wind power, heat can be accumulated in the inner cavity of the cabin cover, the air inlet flow guider is communicated and installed outside the shell of the cabin cover, the air inlet direction of the air inlet flow guider is consistent with the direction of the wind power fan blade, when wind blows, the air can enter through the air inlet cover of the air inlet flow guider and is conveyed into the inner cavity of the cabin cover by the flow guiding bent pipe and the wind conveying pipe, the air cooling heat dissipation can be used for the generator set, when the circulating water pump on the liquid cooling cooler is electrified to work, the circulating water pump starts to work and operate on the liquid cooling cooler, the pump shaft rotates to drive the pump blades to rotate, so that condensed circulating water in the liquid cooling cooler flows to generate flowing water, and the flowing water starts to flow from the inside the liquid cooling cooler, through horizontal water pipe flow to crooked communicating pipe in, promote the water liquid in the crooked communicating pipe and begin to flow, flow back to the inside vertical water pipe of liquid cooling cooler by crooked communicating pipe again, so circulation produces circulation nature rivers, increase heat absorption area to this takes away the heat that generating set work produced, has used the liquid cooling heat dissipation, so, adopts dual cooling system, can improve radiating efficiency and radiating effect, can effectively dispel the heat to the heat of wind generating set inside fast.
2. The utility model is provided with the insulating lightning protection layer, the insulating lightning protection layer is arranged on the inner side wall of the cabin cover shell body in a laminating way, the insulating lightning protection layer is internally compounded with a conductive metal net which is connected with the cabin cover shell to generate conductive property, in addition, the conductive metal net is electrically connected with an external conductive ground wire through a conductive cone, the conductive ground wire is used for transmitting the electric power generated by lightning stroke, when lightning strikes on the shell of the cabin cover, the lightning can be transmitted to the conductive metal mesh inside the insulating lightning protection layer, the insulating lightning protection layer is wrapped on the conductive metal net, is made of insulating materials, has an insulating effect, prevents the generator set from being damaged by thunder and lightning, the conductive metal net transmits the transmitted electric power to the conductive ground wire through the conductive cone, the conductive ground wire transmits the thunder and lightning to the underground, and thus, the cabin cover has an insulating lightning protection function, and the wind generating set is prevented from being damaged by lightning in thunderstorm weather.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structural diagram of a nacelle cover of a wind turbine generator system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a liquid-cooled cooler of a nacelle cover of a wind turbine generator system according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a circulating water pump of a nacelle cover of a wind turbine generator system according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an air inlet deflector of an engine room cover of a wind generating set according to an embodiment of the present invention.
In the figure: 1. a fan blade shaft; 2. a wind power blade; 3. an air inlet flow guider; 4. an insulating lightning protection layer; 5. a nacelle cover housing; 6. an inner cavity of the engine room cover; 7. an air outlet cover; 8. a conductive cone; 9. a conductive ground wire; 10. a liquid cooling cooler; 11. a generator set; 12. a conductive metal mesh; 13. bending the communicating pipe; 14. a vertical water pipe; 15. a water circulating pump; 16. a reflux circulation pipe; 17. a transverse water pipe; 18. a pump shaft; 19. a circulation port; 20. a pump blade; 21. an air inlet cover; 22. a diversion bending pipe; 23. a wind conveying pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A nacelle cover of a wind turbine generator system according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.
Referring to fig. 1, a nacelle cover of a wind generating set provided by an embodiment of the present invention includes a nacelle cover housing 5, an insulating lightning protection layer 4 is attached to an inner side wall of the nacelle cover housing 5, a conductive metal mesh 12 is compounded inside the insulating lightning protection layer 4, the conductive metal mesh 12 is connected to the nacelle cover housing 5, a lower end of the conductive metal mesh 12 is electrically connected to a conductive cone 8, a lower end of the conductive cone 8 is fixedly connected to a conductive ground wire 9, a nacelle cover inner chamber 6 is formed inside the nacelle cover housing 5, a liquid cooling cooler 10 is fixedly installed at upper and lower ends inside the nacelle cover inner chamber 6, a generator set 11 is installed at a center inside the nacelle cover inner chamber 6, an inlet air deflector 3 is installed at an upper and lower end on a left side of the nacelle cover inner chamber 6, a dual heat dissipation system is adopted, so as to improve heat dissipation efficiency and heat dissipation effect, and effectively and rapidly dissipate heat of heat inside the generator set, and the cabin cover has an insulating lightning protection function, and the wind generating set is prevented from being damaged by lightning stroke in thunderstorm weather.
Referring to fig. 2, the liquid cooling cooler 10 is composed of a vertical water pipe 14 and a horizontal water pipe 17 which are in cross communication installation, the upper end and the lower end of the vertical water pipe 14 are fixedly communicated with a circulating water pump 15 through a backflow circulating pipe 16, two ends of the horizontal water pipe 17 are communicated with a bent communicating pipe 13, and the liquid cooling cooler 10 is used for effectively and rapidly dissipating heat of the inside of the wind generating set, so that the heat dissipation efficiency is improved.
Referring to fig. 3, a pump shaft 18 is installed in the center inside the circulating water pump 15, a pump blade 20 is fixedly installed on the pump shaft 18, two ends of the circulating water pump 15 are both communicated with a circulation port 19, and the circulating water pump 15 is used for driving condensed water inside the circulating liquid-cooled cooler 10.
Referring to fig. 4, a diversion bent pipe 22 is installed on the air inlet fluid director 3, the upper end of the diversion bent pipe 22 is communicated with an air inlet hood 21, the lower end of the diversion bent pipe 22 is communicated with an air delivery pipe 23, and the air inlet fluid director 3 is used for assisting air cooling and cooling to dissipate heat inside the wind generating set.
Referring to fig. 1, a fan blade shaft 1 is installed inside the generator set 11 in a penetrating manner, a wind power fan blade 2 is fixedly installed at the front end of the fan blade shaft 1, and the generator set 11 is used for wind power generation.
The embodiment of the utility model provides a cabin cover of wind generating set, when using, circulating water pump 15 is supplied power by aerogenerator, through being equipped with air inlet divertor 3 and liquid cooling cooler 10, in operation, generating set 11 generates electricity because wind-force operates the work, can produce heat and accumulate in cabin cover inner chamber 6, and cabin cover casing 5 outside intercommunication installs air inlet divertor 3, the air intake direction of air inlet divertor 3 keeps unanimous with wind-force flabellum 2, when the wind-blowing comes, can get into through air inlet cover 21 of air inlet divertor 3, carry to cabin cover inner chamber 6 by water conservancy diversion bent pipe 22 and defeated tuber pipe 23, can be used for carrying out the air cooling heat dissipation to generating set 11, and when circulating water pump 15 on liquid cooling cooler 10 switches on the electricity and works, circulating water pump 15 begins the work operation on liquid cooling cooler 10, pump shaft 18 rotates, drive pump leaf 20 is rotatory, the condensation circulating water in the liquid cooling cooler 10 flows to generate flowing water, the flowing water starts to flow from the inside of the liquid cooling cooler 10, flows into the bent communicating pipe 13 through the transverse water pipe 17, pushes the water liquid in the bent communicating pipe 13 to start to flow, and then flows back into the vertical water pipe 14 in the liquid cooling cooler 10 through the bent communicating pipe 13, and circulating in this way, the circulating water is generated, the heat absorption area is increased, so that heat generated by the work of the generator set is taken away, the liquid cooling heat dissipation is applied, therefore, the double heat dissipation system is adopted, the heat dissipation efficiency and the heat dissipation effect can be improved, and the heat in the wind turbine generator set can be effectively and quickly dissipated; by arranging the insulating lightning protection layer 4, the insulating lightning protection layer 4 is attached to the inner side wall of the cabin cover shell 5, the conductive metal net 12 is compounded in the insulating lightning protection layer 4, the conductive metal net 12 is connected with the cabin cover shell 5 to generate conductive property, in addition, the conductive metal net 12 is electrically connected with the external conductive ground wire 9 through the conductive cone 8, the conductive ground wire 9 is used for transmitting the electric power generated by lightning stroke, when the lightning stroke is on the cabin cover shell 5, the lightning can be transmitted to the conductive metal net 12 in the insulating lightning protection layer 4, the insulating lightning protection layer 4 is wrapped on the conductive metal net 12 and is made of insulating materials, the electric power generating set 11 is prevented from being damaged by the lightning stroke, the conductive metal net 12 transmits the transmitted electric power to the conductive ground wire 9 through the conductive cone 8, the conductive ground wire 9 transmits the lightning stroke to the ground, and thus, the cabin cover has the insulating lightning protection function, in thunderstorm weather, the wind generating set is prevented from being damaged by lightning.
The circulating water pump 15 is a common LCY4281F model on the market.
It should be noted that the utility model relates to a cabin cover of a wind generating set, which comprises a fan blade shaft 1, a wind power fan blade 2, an air inlet flow guider 3, an insulating lightning protection layer 4, a cabin cover shell 5, a cabin cover inner cavity 6, an air outlet cover 7, a conductive cone 8, a conductive ground wire 9, a liquid cooling cooler 10, a generating set 11, a conductive metal net 12, a bent communicating pipe 13, a vertical water pipe 14, a circulating water pump 15, a backflow circulating pipe 16, a transverse water pipe 17, a pump shaft 18, a circulating port 19, a pump blade 20, an air inlet cover 21, a flow guiding bent pipe 22 and an air conveying pipe 23, wherein the electrical components are all products in the prior art, and are selected, installed and finished by technicians in the field according to the use requirements, so as to ensure that each electrical appliance can normally work, and are universal standard components or components known by technicians in the field, the structure and principle of the electrical components can be known by the technicians in the technical manuals or by conventional experimental methods, the applicant does not make specific limitations herein.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a wind generating set's cabin cover which characterized in that: including cabin cover casing (5), laminating on cabin cover casing (5) inside wall installs insulating lightning-arrest layer (4), insulating lightning-arrest layer (4) inside complex has electrically conductive metal mesh (12), electrically conductive metal mesh (12) are connected in cabin cover casing (5), electrically conductive metal mesh (12) lower extreme electric connection has electrically conductive awl (8), electrically conductive awl (8) lower extreme fixedly connected with electrically conductive ground wire (9), cabin cover inner chamber (6) have been seted up to cabin cover casing (5) inside, the equal fixed mounting of lower extreme has liquid cooling ware (10) on cabin cover inner chamber (6) inside, generating set (11) are installed at cabin cover inner chamber (6) inside center, all communicate on cabin cover inner chamber (6) left side lower extreme and install air inlet divertor (3).
2. The nacelle cover of a wind turbine generator system according to claim 1, wherein: the liquid cooling cooler (10) is formed by installing vertical water pipes (14) and transverse water pipes (17) in a cross communication mode, circulating water pumps (15) are installed at the upper end and the lower end of each vertical water pipe (14) through fixed communication of a backflow circulating pipe (16), and bent communicating pipes (13) are installed at the two ends of each transverse water pipe (17) in a communicating mode.
3. The nacelle cover of a wind turbine generator system according to claim 2, wherein: a pump shaft (18) is installed in the center of the interior of the circulating water pump (15), pump blades (20) are fixedly installed on the pump shaft (18), and two ends of the circulating water pump (15) are communicated with circulation ports (19).
4. The nacelle cover of a wind turbine generator system according to claim 1, wherein: the air inlet flow guider (3) is provided with a flow guide bent pipe (22), the upper end of the flow guide bent pipe (22) is communicated with an air inlet cover (21), and the lower end of the flow guide bent pipe (22) is communicated with an air delivery pipe (23).
5. The nacelle cover of a wind turbine generator system according to claim 1, wherein: the fan blade shaft (1) penetrates through the inside of the generator set (11), and the wind power fan blades (2) are fixedly mounted at the front end of the fan blade shaft (1).
CN202022546172.2U 2020-11-06 2020-11-06 Engine room cover of wind generating set Active CN214330808U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022546172.2U CN214330808U (en) 2020-11-06 2020-11-06 Engine room cover of wind generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022546172.2U CN214330808U (en) 2020-11-06 2020-11-06 Engine room cover of wind generating set

Publications (1)

Publication Number Publication Date
CN214330808U true CN214330808U (en) 2021-10-01

Family

ID=77894155

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022546172.2U Active CN214330808U (en) 2020-11-06 2020-11-06 Engine room cover of wind generating set

Country Status (1)

Country Link
CN (1) CN214330808U (en)

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