CN112302889B - Filter box structure of wind driven generator - Google Patents
Filter box structure of wind driven generator Download PDFInfo
- Publication number
- CN112302889B CN112302889B CN202011103736.3A CN202011103736A CN112302889B CN 112302889 B CN112302889 B CN 112302889B CN 202011103736 A CN202011103736 A CN 202011103736A CN 112302889 B CN112302889 B CN 112302889B
- Authority
- CN
- China
- Prior art keywords
- box body
- filter
- rectangular box
- groove
- screen layer
- 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
-
- 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
- F03D80/60—Cooling or heating of wind motors
-
- 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
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a filter box structure of a wind driven generator, and relates to the technical field of wind driven generators. The filter comprises a rectangular box body with one side open, wherein a filter module is arranged in the rectangular box body; the bottom side of the rectangular box body is provided with a plurality of first ventilation holes, the opening end of the rectangular box body is provided with a U-shaped buckling strip in a matched mode, the cross section of the U-shaped buckling strip is of an L-shaped structure, the U-shaped buckling strip and the end face of the rectangular box body form a U-shaped clamping groove, and a ventilation cover plate is arranged in the U-shaped clamping groove in a matched mode. According to the invention, the air is purified by the filter module, so that the air pollution of components such as a motor and the like in the working process of the wind driven generator is avoided; meanwhile, the filter box is simple in structure and convenient to install and operate; and the filter module in the filter box can be replaced, and the filter module can be conveniently replaced through the detachable rectangular box body and the detachable ventilation cover plate.
Description
Technical Field
The invention belongs to the technical field of wind driven generators, and particularly relates to a filter box structure of a wind driven generator.
Background
The wind power generator is an electric power device which converts wind energy into mechanical energy and then into electric energy, and is widely used in regions with considerable wind power, such as finland, denmark and western regions of China. The principle of wind power generation is that wind power drives windmill blades to rotate, and then the rotating speed is increased through a speed increaser, so that a generator is promoted to generate electricity. Because wind energy is a renewable pollution-free energy source, more and more attention is paid and vigorous development is made.
Generally, a low-speed large-diameter generator (e.g., a wind generator) includes a stator and a rotor. The generator can continuously generate heat in the running process, the temperature accumulation can cause the internal temperature of the motor to be overhigh, the high temperature can cause the service life of a plurality of key components in the generator to be shortened, the generator is generally designed with a cooling structure for avoiding overhigh temperature rise, and the currently generally adopted cooling mode is air cooling; because the air contains impurities such as moisture, sulfur dioxide and the like, the impurities can pollute a motor and the like in the wind driven generator; once the motor is polluted by air, the motor is difficult to maintain a long service life. Therefore, how to avoid the pollution of the motor by air is the technical problem to be solved by the invention.
Disclosure of Invention
The invention aims to provide a filter box structure of a wind driven generator, which solves the problems in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a filter box structure of a wind driven generator, which comprises a rectangular box body with one side open, wherein a filter module is arranged in the rectangular box body; the bottom side of the rectangular box body is provided with a plurality of first ventilation holes, the open end of the rectangular box body is matched with a U-shaped buckling strip, the cross section of the U-shaped buckling strip is of an L-shaped structure, the U-shaped buckling strip and the end face of the rectangular box body form a U-shaped clamping groove, and a ventilation cover plate is arranged in the U-shaped clamping groove in a matched mode.
Furthermore, the outer side of the rectangular box body is provided with a flange, and the flange is provided with a mounting hole.
Furthermore, the vent cover plate comprises a rectangular frame body, a cover plate is arranged in the rectangular frame body, and a plurality of vent holes II are formed in the cover plate.
Furthermore, the filtering module comprises a first filtering net layer and a second filtering net layer which are positioned on two sides, and a chemical adsorption layer is arranged between the first filtering net layer and the second filtering net layer.
Furthermore, a first porous plate and a second porous plate are respectively arranged between the chemical adsorption layer and the second filter screen layer as well as between the chemical adsorption layer and the first filter screen layer; the chemical adsorption layer is formed by filling calcium oxide particles.
Furthermore, the second filter screen layer and the first filter screen layer are made of filter cotton with the material P15/350S.
Furthermore, a baffle is hinged at the end opening of the rectangular box body at the opening side of the U-shaped buckling strip, and the baffle can turn over along one side of the rectangular box body; the two end parts of the baffle are provided with first grooves, and positioning blocks for limiting the baffle to turn over along the rectangular box body are arranged in the first grooves; and a plurality of second grooves are formed in the baffle plate between the two first grooves, and clamping blocks which are abutted to one side of the ventilation cover plate are arranged in the second grooves in a matched mode.
Furthermore, the first groove is a rectangular groove, a through hole is formed in the bottom side face of the first groove, an external threaded pipe is arranged on one side face of the baffle plate located at the through hole, an internal threaded cylinder is sleeved on the outer side of the external threaded pipe in a threaded manner, a push rod is arranged on the inner bottom side face of the internal threaded cylinder, and a spherical structure is arranged at the end part of the push rod; one end of the positioning block is connected with a movable rod penetrating through the through hole, and the end part of the movable rod is provided with a spherical groove matched with the spherical structure; and a first return spring is also connected between the positioning block and the bottom side surface of the first groove, and the first return spring is sleeved outside the movable rod.
Furthermore, the second groove is a rectangular groove, a threaded hole is formed in the bottom side face of the second groove, a locking screw is arranged at the threaded hole, a second reset spring is connected between the clamping block and the bottom side face of the second groove, and the second reset spring is sleeved on the outer side of the locking screw.
The invention has the following beneficial effects:
according to the invention, the air is purified by the filter module, so that the air pollution of components such as a motor and the like in the working process of the wind driven generator is avoided; meanwhile, the filter box is simple in structure and convenient to install and operate; and the filter module in the filter box can be replaced, and the filter module can be conveniently replaced through the detachable rectangular box body and the detachable ventilation cover plate.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a structural diagram of a filter box of a wind turbine according to the present invention;
FIG. 2 is a schematic view of a rectangular box structure according to the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic view of a vent cover structure according to the present invention;
FIG. 5 is a schematic view of the structure of the fitting relationship between the baffle and the positioning block of the present invention;
FIG. 6 is a schematic view of the structure of the baffle plate and the clamping block in a matching relationship;
FIG. 7 is a schematic view of a filter module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-7, the invention relates to a filter box structure of a wind driven generator, which comprises a rectangular box body 1 with one side open, wherein a filter module is arranged in the rectangular box body 1; the bottom side of the rectangular box body 1 is provided with a plurality of first ventilation holes 14, the opening end of the rectangular box body 1 is matched with a U-shaped buckling strip 13, the cross section of the U-shaped buckling strip 13 is of an L-shaped structure, the U-shaped buckling strip 13 and the end face of the rectangular box body 1 form a U-shaped clamping groove 15, and a ventilation cover plate 2 is arranged in the U-shaped clamping groove 15 in a matched mode.
Preferably, the rectangular box body 1 is provided with a flange 11 at the outer side, and the flange 11 is provided with a mounting hole 12.
Preferably, the vent cover plate 2 includes a rectangular frame 21, a cover plate 22 is disposed in the rectangular frame 21, and a plurality of vent holes 23 are disposed on the cover plate 22.
Preferably, the filtering module comprises a first filtering screen layer 101 and a second filtering screen layer 105 which are positioned on two sides, and a chemical adsorption layer 103 is arranged between the first filtering screen layer 101 and the second filtering screen layer 105.
Preferably, a first porous plate 104 and a second porous plate 102 are respectively arranged between the chemical adsorption layer 103 and the second filter screen layer 105 and between the first filter screen layer 101; the chemical adsorption layer 103 is formed by filling calcium oxide particles. The chemical adsorption layer 103 filled with calcium oxide particles can adsorb water vapor, sulfur dioxide and other polluted gases in the air by using the renting of calcium oxide in the filtering process, so that the polluted gases are prevented from entering the interior of the wind driven generator to cause the corrosion of a motor and the like, thereby causing the damage of the wind driven generator and reducing the service life of the wind driven generator; meanwhile, through the arrangement of the second filter screen layer 105, the first filter screen layer 101, the first porous plate 104 and the second porous plate 102, the calcium oxide particles are fixed, and the corrosion of a motor and the like caused by the fact that weathered dust of the calcium oxide particles enters the interior of the wind driven generator after long-term use is avoided.
Preferably, the second filter screen layer 105 and the first filter screen layer 101 are made of filter cotton with the material P15/350S. The filter cotton adopting P15/350S has better filtering effect, stronger capability of absorbing dust, especially acid mist in the air and easy addition between the rectangular box body 1 and the ventilation cover plate 2.
Preferably, a baffle 3 is hinged to a port of the rectangular box body 1 at the opening side of the U-shaped buckle strip 13, and the baffle 3 can be turned over along one side of the rectangular box body 1; the two end parts of the baffle 3 are provided with a groove I31, and a positioning block 311 for limiting the baffle 3 to turn over along the rectangular box body 1 is arranged in the groove I31; the baffle 3 between the two first grooves 31 is provided with a plurality of second grooves 32, and the clamping blocks 321 abutted against one side of the vent cover plate 2 are arranged in the second grooves 32 in a matching manner.
Preferably, the first groove 31 is a rectangular groove, a through hole 312 is formed in the bottom side surface of the first groove 31, an external threaded pipe 314 is arranged on one side surface of the baffle plate 3 located at the through hole 312, an internal threaded cylinder 316 is sleeved on the outer side of the external threaded pipe 314 in a threaded manner, a push rod 317 is arranged on the inner bottom side surface of the internal threaded cylinder 316, and a spherical structure 318 is arranged at the end part of the push rod 317; one end of the positioning block 311 is connected with a movable rod 313 penetrating through the through hole 312, and the end of the movable rod 313 is provided with a spherical groove 315 matched with the spherical structure 318; a first return spring 319 is further connected between the positioning block 311 and the bottom side surface of the first groove 31, and the first return spring 319 is sleeved outside the movable rod 313.
Preferably, the second groove 32 is a rectangular groove, a threaded hole 324 is formed in the bottom side surface of the second groove 32, a locking screw 323 is arranged at the threaded hole 324, a second return spring 322 is connected between the clamping block 321 and the bottom side surface of the second groove 32, and the second return spring 322 is sleeved outside the locking screw 323.
When in use, the box body is turned over along the hinged side of the baffle 3 and the rectangular box body 1 until one surface of the baffle 3 is vertical to the end face of the opening end of the rectangular box body 1;
at this time, the internal thread cylinder 316 is controlled to rotate along the thread of the external thread pipe 314, the push rod 317 moves along the axial direction of the internal thread cylinder 316 to drive the movable rod 313 to move, the movable rod 313 moves to drive the positioning block 311 to move outwards and insert into the U-shaped slot 15, and at this time, the control baffle 3 cannot turn over along the hinged side of the rectangular box body 1.
Then, the locking screw 323 is controlled to rotate until the clamping block 321 abuts against the end face of the vent cover plate 2, thereby fixing the vent cover plate 2.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a aerogenerator filter box structure which characterized in that: the filter comprises a rectangular box body (1) with one side open, wherein a filtering module is arranged in the rectangular box body (1);
a plurality of first ventilation holes (14) are formed in the bottom side face of the rectangular box body (1), a U-shaped buckle strip (13) is arranged at the opening end of the rectangular box body (1) in a matched mode, the section of the U-shaped buckle strip (13) is of an L-shaped structure, a U-shaped clamping groove (15) is formed in the U-shaped buckle strip (13) and the end face of the rectangular box body (1), and a ventilation cover plate (2) is arranged in the U-shaped clamping groove (15) in a matched mode;
a baffle (3) is hinged to a port of the rectangular box body (1) on the opening side of the U-shaped buckling strip (13), and the baffle (3) can be turned over along one side of the rectangular box body (1);
grooves I (31) are formed in two end parts of the baffle (3), and positioning blocks (311) for limiting the baffle (3) to turn over along the rectangular box body (1) are arranged in the grooves I (31);
a plurality of second grooves (32) are formed in the baffle (3) between the first grooves (31), and clamping blocks (321) abutted to one side of the ventilation cover plate (2) are arranged in the second grooves (32) in a matched mode;
the first groove (31) is a rectangular groove, a through hole (312) is formed in the bottom side face of the first groove (31), an external threaded pipe (314) is arranged on one side face of the baffle (3) located at the through hole (312), an internal threaded cylinder (316) is sleeved on the outer side of the external threaded pipe (314) in a threaded manner, a push rod (317) is arranged on the inner bottom side face of the internal threaded cylinder (316), and a spherical structure (318) is arranged at the end part of the push rod (317);
one end of the positioning block (311) is connected with a movable rod (313) penetrating through the through hole (312), and the end part of the movable rod (313) is provided with a spherical groove (315) matched with the spherical structure (318);
a first return spring (319) is connected between the positioning block (311) and the bottom side surface of the first groove (31), and the first return spring (319) is sleeved on the outer side of the movable rod (313);
the second groove (32) is a rectangular groove, a threaded hole (324) is formed in the bottom side face of the second groove (32), a locking screw rod (323) is arranged at the position of the threaded hole (324), a second reset spring (322) is connected between the clamping block (321) and the bottom side face of the second groove (32), and the second reset spring (322) is sleeved on the outer side of the locking screw rod (323).
2. The filter box structure of the wind driven generator as claimed in claim 1, wherein the rectangular box body (1) is provided with a flange (11) at the outer side, and the flange (11) is provided with a mounting hole (12).
3. The filter box structure of the wind driven generator as claimed in claim 1, wherein the ventilation cover plate (2) comprises a rectangular frame body (21), a cover plate (22) is arranged in the rectangular frame body (21), and a plurality of second ventilation holes (23) are arranged on the cover plate (22).
4. Wind turbine filter box structure according to claim 1, characterised in that the filter module comprises a first filter screen layer (101) and a second filter screen layer (105) on both sides, and a chemical adsorption layer (103) is arranged between the first filter screen layer (101) and the second filter screen layer (105).
5. The filter box structure of the wind driven generator as claimed in claim 4, wherein a first porous plate (104) and a second porous plate (102) are respectively arranged between the chemical adsorption layer (103) and the second filter screen layer (105) and the first filter screen layer (101);
the chemical adsorption layer (103) is formed by filling calcium oxide particles.
6. The wind turbine filter box structure according to claim 4 or 5, wherein the second filter screen layer (105) and the first filter screen layer (101) are made of filter cotton with a material P15/350S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103736.3A CN112302889B (en) | 2020-10-15 | 2020-10-15 | Filter box structure of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103736.3A CN112302889B (en) | 2020-10-15 | 2020-10-15 | Filter box structure of wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112302889A CN112302889A (en) | 2021-02-02 |
| CN112302889B true CN112302889B (en) | 2021-08-17 |
Family
ID=74327428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011103736.3A Active CN112302889B (en) | 2020-10-15 | 2020-10-15 | Filter box structure of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112302889B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2752578A1 (en) * | 2011-09-02 | 2014-07-09 | Kabushiki Kaisha Toshiba | Water-cooled wind power generation device, and generator cooling method for wind power generation device |
| CN203777839U (en) * | 2014-04-16 | 2014-08-20 | 天津鑫泰博弈科技有限公司 | Filter screen of wind generator |
| CA2561306C (en) * | 2005-10-13 | 2015-09-08 | General Electric Company | Method and apparatus for gravity induced thermal energy dissipation |
| CN205815350U (en) * | 2016-06-30 | 2016-12-21 | 湖南敏锐科技有限公司 | A kind of wind-driven generator and radially filter box |
| CN207385065U (en) * | 2017-09-14 | 2018-05-22 | 北京金风科创风电设备有限公司 | For the filter box of wind-driven generator |
| CN111306013A (en) * | 2019-12-17 | 2020-06-19 | 镇江中瑞电子有限公司 | Unit heat abstractor with high heat dispersion |
| CN210905371U (en) * | 2019-06-26 | 2020-07-03 | 常州恒蓝空气净化设备有限公司 | A filtering component for air purifier |
| CN211513772U (en) * | 2019-12-20 | 2020-09-18 | 江苏志威重工科技有限公司 | Filter box for wind driven generator |
-
2020
- 2020-10-15 CN CN202011103736.3A patent/CN112302889B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2561306C (en) * | 2005-10-13 | 2015-09-08 | General Electric Company | Method and apparatus for gravity induced thermal energy dissipation |
| EP2752578A1 (en) * | 2011-09-02 | 2014-07-09 | Kabushiki Kaisha Toshiba | Water-cooled wind power generation device, and generator cooling method for wind power generation device |
| CN203777839U (en) * | 2014-04-16 | 2014-08-20 | 天津鑫泰博弈科技有限公司 | Filter screen of wind generator |
| CN205815350U (en) * | 2016-06-30 | 2016-12-21 | 湖南敏锐科技有限公司 | A kind of wind-driven generator and radially filter box |
| CN207385065U (en) * | 2017-09-14 | 2018-05-22 | 北京金风科创风电设备有限公司 | For the filter box of wind-driven generator |
| CN210905371U (en) * | 2019-06-26 | 2020-07-03 | 常州恒蓝空气净化设备有限公司 | A filtering component for air purifier |
| CN111306013A (en) * | 2019-12-17 | 2020-06-19 | 镇江中瑞电子有限公司 | Unit heat abstractor with high heat dispersion |
| CN211513772U (en) * | 2019-12-20 | 2020-09-18 | 江苏志威重工科技有限公司 | Filter box for wind driven generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112302889A (en) | 2021-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112302889B (en) | Filter box structure of wind driven generator | |
| CN113517642B (en) | Energy storage power station system with good heat dissipation effect | |
| CN219955548U (en) | Energy-saving ventilation device | |
| CN212323512U (en) | Outdoor durable comprehensive distribution box | |
| CN211481807U (en) | Outdoor control box for wind-solar-oil complementary power generation | |
| CN215452253U (en) | Be used for transformer substation's safety monitoring device | |
| CN215870483U (en) | Intelligent photovoltaic box-type substation | |
| CN212535939U (en) | Wind power monitoring device for wind generating set | |
| CN220417538U (en) | Electronic factory building ventilation equipment | |
| CN210867597U (en) | Solar cell panel with heat dissipation function | |
| CN214256861U (en) | Water conservancy and hydropower equipment dampproofing and waterproofing processing apparatus | |
| CN214152613U (en) | Protection cabinet for power plant's dry-type transformer | |
| CN218335950U (en) | Solar energy storage mechanism of anti wind and rain erosion | |
| CN220171893U (en) | Box transformer of wind farm | |
| CN220291376U (en) | Outdoor box-type substation with protective structure | |
| CN211500888U (en) | Ventilation device for wind driven generator | |
| CN218221794U (en) | Automatic dehumidifying device of wind driven generator | |
| CN110671284A (en) | Heat dissipation device for engine room cover of wind turbine generator | |
| CN212012481U (en) | Inversion and boosting integrated machine with heat dissipation function | |
| CN206402024U (en) | A kind of motor with water-proof function | |
| CN214741859U (en) | Damp-proof device of wind driven generator | |
| CN212786448U (en) | Energy-saving device for electrical equipment | |
| CN215364397U (en) | Waterproof elevator water collection box structure suitable for air conditioner | |
| CN220507436U (en) | Low-temperature cooling device for negative electrode material of lithium ion battery | |
| CN112165204B (en) | Bearing inner and outer cover for wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |