CN218669683U - Wind generating set with good heat dissipation - Google Patents
Wind generating set with good heat dissipation Download PDFInfo
- Publication number
- CN218669683U CN218669683U CN202223203681.0U CN202223203681U CN218669683U CN 218669683 U CN218669683 U CN 218669683U CN 202223203681 U CN202223203681 U CN 202223203681U CN 218669683 U CN218669683 U CN 218669683U
- Authority
- CN
- China
- Prior art keywords
- cabin
- protective housing
- generating set
- wind generating
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a better wind generating set dispels heat, including the cabin, the bottom of cabin is connected with a tower section of thick bamboo, the inside cavity of cabin, the inside generator that is provided with of cabin, the pivot of generator is rotated the lateral wall that passes cabin one end and is installed the wind-powered electricity generation paddle leaf, the one end that the wind-powered electricity generation paddle leaf was kept away from to the cabin is provided with the screen panel, be provided with heat abstractor on the cabin, heat abstractor includes the protective housing, mounting bracket and radiator fan, the both ends of protective housing are equipped with the opening, the open-ended lateral wall that is located protective housing one end is connected with the radiator-grid, the one end that the radiator-grid was kept away from to the protective housing is connected with the one end that the cabin set up the screen panel, the protective housing is connected in the one end that the cabin is close to the screen panel, the inside at the protective housing is installed to the mounting bracket, radiator fan sets up on the mounting bracket. The application can improve the problem that the wind generating set breaks down easily under the working environment with continuous high temperature, so that the service life of the wind generating set is short.
Description
Technical Field
The utility model belongs to the technical field of wind power generation technique and specifically relates to a better wind generating set dispels heat is related to.
Background
The wind generating set is a device which can convert the kinetic energy of wind into electric energy and then output the converted electric energy to electric equipment for use. The wind generating set can continuously generate heat during working, and internal components of the wind generating set are easy to break down under the continuous high-temperature working environment, so that the service life of the wind generating set is short.
SUMMERY OF THE UTILITY MODEL
In order to improve wind generating set and break down easily under the operational environment of lasting high temperature for wind generating set's the shorter problem of life, the application provides a better wind generating set dispels the heat.
The application provides a better wind generating set dispels heat adopts following technical scheme:
the utility model provides a better wind generating set dispels heat, includes the cabin, the bottom in cabin is connected with a tower section of thick bamboo, the inside cavity in cabin, the inside generator that is provided with in cabin, the pivot of generator is rotated and is passed the lateral wall of cabin one end is installed the wind-powered electricity generation paddle, the cabin is kept away from the one end of wind-powered electricity generation paddle is provided with the screen panel, be provided with heat abstractor on the cabin, heat abstractor includes protective housing, mounting bracket and radiator fan, the both ends of protective housing are equipped with the opening, are located protective housing one end the open-ended lateral wall is connected with the radiator net, the protective housing is kept away from the one end of radiator net with the cabin sets up the one end of screen panel is connected, the protective housing is connected the cabin is close to the one end of screen panel, the mounting bracket is installed the inside of protective housing, radiator fan sets up on the mounting bracket.
Through adopting above-mentioned technical scheme, when wind generating set is at work, the generator can produce more heat, make the temperature in the cabin higher, start radiator fan, under radiator fan's the effect of induced drafting, can make the inside heat in cabin enter into the protective housing through the screen panel, behind radiator fan's the side of airing exhaust of the side of inhaling wind and radiator fan, pass the radiator screen and discharge away, heat abstractor's setting can help the heat dissipation in generator work and heat production, make the radiating effect better, the possibility of generator work under lasting high temperature environment has been reduced, be favorable to improving wind generating set and breaking down easily under lasting high temperature operational environment, make wind generating set's the shorter problem of life.
Optionally, the protective shell is detachably connected to the nacelle.
Through adopting above-mentioned technical scheme, can dismantle the setting of being connected between protective housing and the cabin and can be very convenient install and dismantle heat abstractor and cabin, be convenient for overhaul and change it.
Optionally, the cabin is close to the first installation piece of one end fixedly connected with of screen panel, fixedly connected with cup joints the frame on the lateral wall of protective housing, cup joint the frame and be located the protective housing is kept away from the one end of radiator-grid, fixedly connected with second installation piece on the lateral wall of cup joint frame, cup joint the frame cup joint the cabin is close to the outside of the one end of screen panel, and first installation piece with second installation piece butt each other, first installation piece with the second installation piece is fixed through bolt and nut.
By adopting the technical scheme, when the protective shell and the cabin need to be disassembled, the bolt and the nut are unscrewed, the protective shell is moved, the first mounting block is separated from the second mounting block, and the disassembling operation is completed until one end of the cabin close to the mesh enclosure completely leaves the interior of the sleeving frame; when needs are installed protective housing and cabin, remove the protective housing, will cup joint the frame and cup joint the one end that is close to the screen panel in the cabin, when first installation piece and second installation piece butt each other, make to lead to first installation piece and the second installation piece that the bolt and nut will butt each other and fix to accomplish the installation operation, can be very convenient dismantle and install protective housing and cabin through above-mentioned process, the step is simple, convenient operation.
Optionally, the protective housing is close to the one end of cup jointing frame is connected with first magnetic sheet, first magnetic sheet is located the inboard of cup jointing frame, the cabin is close to the one end of screen panel is connected with the second magnetic sheet, works as cup jointing the frame cup joints the cabin is close to the outside of the one end of screen panel, and first installation piece with during the butt of second installation piece each other, the second magnetic sheet is located cup jointing the frame inboard, first magnetic sheet with the second magnetic sheet adsorbs each other.
By adopting the technical scheme, when the protective shell and the engine room are required to be installed, the protective shell is moved, the sleeving frame is sleeved at one end, close to the mesh enclosure, of the engine room, until the first installation block and the second installation block are abutted against each other, the first magnetic sheet and the second magnetic sheet are mutually adsorbed, and the protective shell and the engine room can be preliminarily connected, so that a worker does not need to tightly abut against the first installation block and the second installation block all the time when installing a bolt and a nut, and the installation process is more convenient; when needs are dismantled protective housing and cabin, after unscrewing bolt and nut, thereby only need remove the protective housing and make the cabin be close to the one end of screen panel and leave the in-process of cup jointing the frame, make first magnetic sheet and second magnetic sheet separation, the one end that until the cabin is close to the screen panel leaves the inside of cup jointing the frame completely, can accomplish dismantlement, simple operation.
Optionally, one end of the nacelle close to the wind power blade is provided with a plurality of vent holes.
Through adopting above-mentioned technical scheme, being provided with of ventilation hole helps cabin and outside to ventilate, especially under radiator fan's the effect of induced drafting, inside the air that outside temperature is lower relatively can enter into the cabin through the ventilation hole to cool down the temperature in cabin, be favorable to improving wind generating set and break down easily under the operational environment of high temperature that lasts, make wind generating set's the shorter problem of life.
Optionally, a gap is left between the wind power blade and the side wall of the nacelle near one end of the wind power blade.
Through adopting above-mentioned technical scheme, be close to at wind-powered electricity generation paddle and cabin leave the space between the one end of wind-powered electricity generation paddle for inside the air that external temperature is lower relatively can enter into the cabin through the ventilation hole more easily, thereby cool down to the cabin is inside, be favorable to improving wind generating set and break down easily under the operational environment of high temperature that lasts, make wind generating set's the shorter problem of life.
Optionally, a mounting port is formed in a side wall of the cabin, a semiconductor refrigerator is mounted on an inner wall of the mounting port, a cold end of the semiconductor refrigerator is located inside the cabin, and a hot end of the semiconductor refrigerator is located outside the cabin.
Through adopting above-mentioned technical scheme, for semiconductor cooler circular telegram, semiconductor cooler can refrigerate, is favorable to the temperature in the cabin to descend, and semiconductor cooler's setting can further cool down to the cabin is inside, is favorable to improving wind generating set and breaks down easily under the operational environment of continuation high temperature for wind generating set's the shorter problem of life.
Optionally, the inside fixedly connected with stabilizer of cabin, the stabilizer be located the generator with the cabin is close to between the lateral wall of wind-powered electricity generation paddle, the pivot of generator is rotated and is connected on the stabilizer.
Through adopting above-mentioned technical scheme, because the wind-powered electricity generation paddle is connected in the pivot of generator, bears certain gravity, has certain centrifugal force at the continuous pivoted in-process of wind-powered electricity generation paddle for the pivot of generator is at the rotation in-process unstability, and the setting of steady rest can strengthen the pivot of generator and rotate the stability of in-process.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when wind generating set is in operation, the generator can produce more heat, make the temperature in the cabin higher, start radiator fan, under radiator fan's the effect of induced drafting, can make the inside heat in cabin enter into the protective housing through the screen panel, behind radiator fan's the side of airing exhaust of the side of inhaling of fan and radiator fan, pass the radiator screen and discharge away, heat abstractor's setting can help the heat dissipation in generator work and heat production, make the radiating effect better, the possibility of generator work under lasting high temperature environment has been reduced, be favorable to improving wind generating set and break down easily under lasting high temperature operational environment, make wind generating set's the short problem of life.
2. When the protective shell and the cabin need to be disassembled, the bolt and the nut are unscrewed, the protective shell is moved, the first mounting block is separated from the second mounting block, and the disassembling operation is completed until one end, close to the mesh enclosure, of the cabin completely leaves the interior of the sleeving frame; when needs are installed protective housing and cabin, remove the protective housing, will cup joint the frame and cup joint the one end that is close to the screen panel in the cabin, when first installation piece and second installation piece butt each other, make first installation piece and the second installation piece that lead to the bolt and nut will butt each other fixed, thereby accomplish the installation operation, through the process can be very convenient dismantle and install protective housing and cabin, the step is simple, convenient operation
Drawings
Fig. 1 is a schematic structural diagram of a wind turbine generator system with good heat dissipation in an embodiment of the present application.
Fig. 2 is a schematic structural diagram showing a connection relationship between a nacelle and a socket frame in an embodiment of the present application.
Fig. 3 is a schematic structural diagram showing a connection relationship between a first magnetic sheet and a second magnetic sheet in an embodiment of the present application.
Description of the reference numerals:
1. a nacelle; 2. a tower drum; 3. a mesh enclosure; 4. a vent hole; 5. cushion blocks; 6. a generator; 7. wind power blades; 8. a semiconductor refrigerator; 9. a protective shell; 10. a mounting frame; 11. a heat radiation fan; 12. a heat-dissipating web; 13. a first mounting block; 14. a second magnetic sheet; 15. sleeving and connecting the frame; 16. a first magnetic sheet; 17. a second mounting block; 18. a bolt; 19. a base; 20. and a stabilizing frame.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a wind generating set with good heat dissipation.
Referring to fig. 1, a wind turbine generator system with good heat dissipation includes a nacelle 1, a tower 2 is fixedly connected to the bottom of the nacelle 1, and a base 19 is fixedly connected to the bottom of the tower 2 for enhancing stability of the tower 2. The cabin 1 is hollow inside, a cabin opening is formed in one end of the cabin 1, a mesh enclosure 3 is arranged on the side wall of the cabin opening, the mesh enclosure 3 is located inside the cabin 1, and a plurality of ventilation holes 4 are formed in the side wall, far away from the cabin opening, of the cabin 1. The bottom in the cabin 1 is fixedly connected with a cushion block 5, a generator 6 is arranged in the cabin 1, the generator 6 is fixedly arranged at the top of the cushion block 5, a stabilizing frame 20 is arranged in the cabin 1, the stabilizing frame 20 is positioned between the generator 6 and the side wall of the cabin 1 with the vent hole 4, a rotating shaft of the generator 6 sequentially rotates to penetrate through the stabilizing frame 20 and the side wall of the cabin 1 far away from the cabin opening, and a wind power blade 7 is arranged, so that air with relatively low external temperature can more easily enter the cabin 1 through the vent hole 4 to cool the interior of the cabin 1, and a gap is reserved between the wind power blade 7 and the side wall of the cabin 1 far away from the cabin opening; the arrangement of the stabilizer 20 can enhance the stability of the rotating shaft of the generator 6 during rotation.
Referring to fig. 1, a mounting opening is formed in a side wall of a nacelle 1, the side wall of the nacelle 1 is communicated with the mounting opening, a semiconductor refrigerator 8 is mounted on an inner wall of the mounting opening of the nacelle 1, the semiconductor refrigerator 8 is located above a generator 6, a cold end of the semiconductor refrigerator 8 is located inside the nacelle 1, and a hot end of the semiconductor refrigerator is located outside the nacelle 1.
The semiconductor refrigerator 8 is electrified, the semiconductor refrigerator 8 can refrigerate, temperature in the engine room 1 is reduced, the semiconductor refrigerator 8 can further cool the interior of the engine room 1, and the problem that the wind generating set is prone to failure in a continuous high-temperature working environment is solved, so that the service life of the wind generating set is short is solved.
Referring to fig. 1, a heat dissipation device is arranged on a cabin 1, the heat dissipation device comprises a protective shell 9, an installation frame 10 and a heat dissipation fan 11, openings are formed in two ends of the protective shell 9, a heat dissipation net 12 is fixedly connected to the side wall of the opening located at one end of the protective shell 9, one end, far away from the heat dissipation net 12, of the protective shell 9 is detachably connected with one end, close to a mesh enclosure 3, of the cabin 1, an installation rear frame is cross-shaped, four end portions of the installation frame 10 are fixedly installed on the side wall of the inside of the protective shell 9, and the heat dissipation fan 11 is arranged on the installation frame 10.
Referring to fig. 1, one end of the nacelle 1 close to the mesh enclosure 3 is fixedly connected with four first mounting blocks 13, each first mounting block 13 is provided with a first mounting hole, one end of the nacelle 1 close to the mesh enclosure 3 is provided with a second magnetic sheet 14, the second magnetic sheet 14 is fixedly connected to the side wall of the bin opening of the nacelle 1, and the cross-sectional shape of the second magnetic sheet 14 is the same as the shape of the bin opening; fixedly connected with cup jointing frame 15 on the lateral wall of protective housing 9, cup jointing frame 15 is located the protective housing 9 and keeps away from the one end of radiator-grid 12, cup jointing frame 15 and protective housing 9 integrated into one piece, the one end that protective housing 9 is close to cup jointing frame 15 is connected with first magnetic sheet 16, first magnetic sheet 16 is located the inboard of cup jointing frame 15, the cross sectional shape of first magnetic sheet 16 is the same with the opening shape of protective housing 9, fixedly connected with four second installation pieces 17 on the lateral wall of cup jointing frame 15, all be equipped with the second mounting hole on every second installation piece 17, the one end that protective housing 9 was kept away from to cup jointing frame 15 cup joints the outside at cabin 1 near the one end of screen panel 3, and a first installation piece 13 and a second installation piece 17 butt each other, at this moment, second magnetic sheet 14 is located the inboard of cup jointing frame 15, first magnetic sheet 16 and second magnetic sheet 14 adsorb each other, a first installation hole corresponds with a second installation hole and communicates with each other, correspond in a first installation hole and pass a bolt 18 with a second installation hole, and use a nut to correspond and tighten a bolt 18, four first installation pieces 13 and four fixed nuts 17.
When the protective shell 9 and the cabin 1 need to be installed, the protective shell 9 is moved, one end, far away from the protective shell 9, of the sleeving frame 15 is sleeved outside one end, close to the mesh enclosure 3, of the cabin 1, until the four first installation blocks 13 and the four second installation blocks 17 are abutted against each other, the first magnetic sheet 16 and the second magnetic sheet 14 are mutually adsorbed to preliminarily connect the protective shell 9 and the cabin 1, and then the first installation blocks 13 and the second installation blocks 17 are fixed together through bolts 18 and nuts, so that the installation operation can be completed; when needs are dismantled protective housing 9 and cabin 1, after unscrewing bolt 18 and nut, only need to make cabin 1 be close to the one end of screen panel 3 and leave the in-process of cup jointing frame 15 at removal protective housing 9, make first magnetic sheet 16 and second magnetic sheet 14 separate, the one end that is close to screen panel 3 of cabin 1 leaves the inside of cup jointing frame 15 completely, can accomplish the dismantlement, can be very convenient dismantle and install protective housing 9 and cabin 1 through above-mentioned process, be convenient for overhaul and change it.
The implementation principle of the wind generating set with better heat dissipation is as follows:
when the wind generating set works, the generator 6 can generate more heat, so that the temperature in the cabin 1 is higher, the cooling fan 11 is started, the semiconductor refrigerator 8 is electrified, and under the air suction effect of the cooling fan 11, on one hand, air with relatively lower temperature outside the cabin 1 can more easily enter the cabin 1 through the vent hole 4, so that the temperature in the cabin 1 is reduced; on the other hand, the heat in the cabin 1 can enter the protective shell 9 through the mesh enclosure 3, and passes through the heat dissipation mesh 12 to be discharged after passing through the air suction side of the heat dissipation fan 11 and the air exhaust side of the heat dissipation fan 11, so that the temperature in the cabin 1 is reduced; meanwhile, under the refrigeration action of the semiconductor refrigerator 8, the interior of the cabin 1 can be further cooled; through the process, the inside of the engine room 1 is cooled, so that the inside of the engine room 1 is better cooled and the temperature is relatively low, the possibility that the generator 6 works in a continuous high-temperature environment is reduced, the wind generating set is beneficial to improving the problem that the wind generating set is easy to break down in the continuous high-temperature working environment, and the service life of the wind generating set is short.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a better wind generating set dispels heat, includes cabin (1), the bottom of cabin (1) is connected with a tower section of thick bamboo (2), cabin (1) inside cavity, cabin (1) inside is provided with generator (6), the pivot of generator (6) is rotated and is passed the lateral wall of cabin (1) one end and install wind-powered electricity generation paddle (7), keep away from cabin (1) the one end of wind-powered electricity generation paddle (7) is provided with screen panel (3), its characterized in that: be provided with heat abstractor on cabin (1), heat abstractor includes protective housing (9), mounting bracket (10) and radiator fan (11), the both ends of protective housing (9) are equipped with the opening, are located protective housing (9) one end the open-ended lateral wall is connected with radiator-grid (12), keep away from protective housing (9) the one end of radiator-grid (12) with cabin (1) sets up the one end of screen panel (3) is connected, protective housing (9) are connected cabin (1) is close to the one end of screen panel (3), mounting bracket (10) are installed the inside of protective housing (9), radiator fan (11) set up on mounting bracket (10).
2. The wind generating set with good heat dissipation of claim 1, wherein: the protective shell (9) is detachably connected with the engine room (1).
3. The wind generating set with good heat dissipation of claim 2, wherein: cabin (1) is close to the first installation piece of one end fixedly connected with (13) of screen panel (3), fixedly connected with grafting frame (15) on the lateral wall of protective housing (9), grafting frame (15) are located protective housing (9) is kept away from the one end of radiator-grid (12), fixedly connected with second installation piece (17) on the lateral wall of grafting frame (15), grafting frame (15) cup joint cabin (1) is close to the outside of the one end of screen panel (3), and first installation piece (13) with second installation piece (17) butt each other, first installation piece (13) with second installation piece (17) are fixed through bolt (18) and nut.
4. The wind generating set with good heat dissipation of claim 3, wherein: protective housing (9) are close to the one end of overlap frame (15) is connected with first magnetic sheet (16), first magnetic sheet (16) are located the inboard of overlap frame (15), cabin (1) are close to the one end of screen panel (3) is connected with second magnetic sheet (14), works as overlap frame (15) cup joint cabin (1) are close to the outside of the one end of screen panel (3), and first installation piece (13) with during the butt of each other of second installation piece (17), second magnetic sheet (14) are located overlap frame (15) inboard, first magnetic sheet (16) with second magnetic sheet (14) adsorb each other.
5. The wind generating set with good heat dissipation of claim 1, wherein: and a plurality of ventilation holes (4) are formed in one end, close to the wind power blade (7), of the engine room (1).
6. The wind generating set with good heat dissipation of claim 5, wherein: and a gap is reserved between the wind power blade (7) and the side wall of the engine room (1) close to one end of the wind power blade (7).
7. The wind generating set with good heat dissipation of claim 1, wherein: the side wall of the cabin (1) is provided with a mounting opening, a semiconductor refrigerator (8) is mounted on the inner wall of the mounting opening, the cold end of the semiconductor refrigerator (8) is located inside the cabin (1), and the hot end of the semiconductor refrigerator (8) is located outside the cabin (1).
8. The wind generating set with good heat dissipation of claim 1, wherein: cabin (1) inside fixedly connected with stabilizer (20), stabilizer (20) are located generator (6) with cabin (1) is close to between the lateral wall of wind-powered electricity generation paddle (7), the pivot of generator (6) is rotated and is connected on stabilizer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203681.0U CN218669683U (en) | 2022-11-30 | 2022-11-30 | Wind generating set with good heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203681.0U CN218669683U (en) | 2022-11-30 | 2022-11-30 | Wind generating set with good heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669683U true CN218669683U (en) | 2023-03-21 |
Family
ID=85542438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223203681.0U Active CN218669683U (en) | 2022-11-30 | 2022-11-30 | Wind generating set with good heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218669683U (en) |
-
2022
- 2022-11-30 CN CN202223203681.0U patent/CN218669683U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210164583U (en) | Heat recovery type cooling system of wind generating set | |
| CN108667213A (en) | The servo-actuated heat dissipation shock-absorbing motor of one kind | |
| CN218669683U (en) | Wind generating set with good heat dissipation | |
| CN102185420A (en) | Cooling system of 2MW wind driven generator | |
| CN115750241B (en) | Hub heat abstractor of wind turbine generator system | |
| CN216975112U (en) | Wind-driven generator | |
| CN214660657U (en) | Novel cooling device for wind driven generator | |
| CN113048029A (en) | Novel cooling device for wind driven generator | |
| CN209800314U (en) | Movable energy-saving fan | |
| CN210768947U (en) | Steam turbine heat radiation structure | |
| CN209150568U (en) | A kind of thermal power plant frequency converter switchgear house ventilation cooling structure | |
| CN109103544B (en) | Air cooling device for new energy battery | |
| CN212360054U (en) | Heat dissipation device of wind generating set | |
| CN213392792U (en) | Ventilation device for wind driven generator | |
| CN206100778U (en) | Electrical component protection device | |
| CN219555514U (en) | Circuit board assembly for photovoltaic power supply | |
| CN218102151U (en) | High-efficient heat dissipation type switch board | |
| CN220440244U (en) | Electric power box capable of improving heat dissipation performance | |
| CN217029171U (en) | New energy wind power generation device | |
| CN215170553U (en) | Lightning-proof wind driven generator cabin cover plate | |
| CN213981274U (en) | Large-traffic low noise brushless electronic fan | |
| CN221615450U (en) | Cold accumulation control device for virtual power plant | |
| CN218095611U (en) | LED wall washer lamp with high heat dissipation efficiency | |
| CN209642491U (en) | A kind of generator cooling device | |
| CN210799510U (en) | Heat dissipation device for centrifugal fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |