CN112032905B - Energy-saving environment-friendly ventilation device - Google Patents
Energy-saving environment-friendly ventilation device Download PDFInfo
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- CN112032905B CN112032905B CN202010924527.9A CN202010924527A CN112032905B CN 112032905 B CN112032905 B CN 112032905B CN 202010924527 A CN202010924527 A CN 202010924527A CN 112032905 B CN112032905 B CN 112032905B
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- fixed
- bevel gear
- push rod
- rotating shaft
- electric push
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- 238000009423 ventilation Methods 0.000 title claims abstract description 31
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 8
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
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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
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to the technical field of ventilation equipment, in particular to an energy-saving environment-friendly ventilation device which comprises a wall body, wherein a mounting frame is fixed on the outer side of the wall body, an isolation component is fixed on the left side of an inner cavity of the mounting frame, a cross mounting frame is fixed on the right side of the inner cavity of the mounting frame, a rotating shaft is rotatably arranged on the cross mounting frame, a ventilation fan is fixed at the right end of the rotating shaft, a first bevel gear is fixed at the left end of the rotating shaft, a driving motor is fixed at the bottom end of the mounting frame, a power output shaft at the top of the driving motor penetrates through the bottom wall of the mounting frame through a bearing and is fixedly provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, a rotating shaft is rotatably arranged on the upper wall of the mounting frame, a wind fan is fixed at the top end of the rotating shaft, a third bevel gear is meshed with a fourth bevel gear; the invention effectively reduces the waste of energy, has strong energy-saving effect, and can cut off the circulation with the outside air when the ventilation is not needed.
Description
Technical Field
The invention relates to the technical field of ventilation equipment, in particular to an energy-saving and environment-friendly ventilation device.
Background
Ventilation is a building environment control technology which controls the propagation and harm of air pollutants by means of ventilation dilution or ventilation removal and the like, and realizes the quality guarantee of indoor and outdoor air environments. The ventilation system is a complete set of devices for realizing the ventilation function and comprises an air inlet, an air outlet, an air supply pipeline, a fan, a cooling and heating device, a filter, a control system and other accessory equipment.
The existing ventilation equipment often needs ventilation by means of a fan, extra electric energy consumption is needed, energy consumption is high, and meanwhile, the ventilation of air cannot be blocked when the existing ventilation equipment does not need ventilation.
Based on the above, the invention designs an energy-saving and environment-friendly ventilation device to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an energy-saving and environment-friendly ventilation device.
In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving and environment-friendly ventilation device comprises a wall body, wherein a mounting frame is fixed on the outer side of the wall body, an isolation component is fixed on the left side of an inner cavity of the mounting frame, a cross mounting frame is fixed on the right side of the inner cavity of the mounting frame, a rotating shaft is rotatably arranged on the cross mounting frame, a ventilation fan is fixed at the right end of the rotating shaft, a first bevel gear is fixed at the left end of the rotating shaft, a driving motor is fixed at the bottom end of the mounting frame, a power output shaft at the top of the driving motor penetrates through the bottom wall of the mounting frame through a bearing and is fixedly provided with a second bevel gear, the second bevel gear is meshed and connected with the first bevel gear, a rotating shaft is rotatably arranged on the upper wall of the mounting frame, a wind fan is fixed at the top end of the rotating shaft, a third bevel gear is fixed at the bottom end of the rotating shaft, a fourth bevel gear is meshed and connected with a fourth bevel gear which is slidably arranged on the rotating shaft, the solar photovoltaic solar energy collecting device is characterized in that a laser rotating speed sensor is fixed on one side, corresponding to a rotating shaft, of the top wall of the mounting frame, a supporting rod is fixed on the right side of the top wall of the mounting frame, a photovoltaic plate is hinged to the top end of the supporting rod, a first electric push rod is hinged to one end of the bottom wall of the photovoltaic plate, the other end of the first electric push rod is hinged to the side wall of the supporting rod, a protective shell is fixed on the left side of the top wall of the mounting frame, and a storage battery, a processor and a solar controller are arranged in the protective shell.
Furthermore, the side wall of the rotating shaft is symmetrically provided with limiting sliding grooves corresponding to a fourth bevel gear, a reset spring is arranged between one end of each limiting sliding groove and the fourth bevel gear, a second electric push rod is fixed on the side wall of the cross mounting frame, a push plate is fixed at the other end of the second electric push rod, the push plate is in lap joint with the side wall of the fourth bevel gear, and a plurality of balls are arranged at the contact positions of the push plate and the fourth bevel gear.
Further, keep apart the subassembly and include the mounting panel, the mounting panel middle part has been seted up and has been led to the groove, it is fixed with fixed leaf to lead to inslot one side, fixed leaf one end is rotated and is provided with movable leaf, it has seted up the spacing groove to lead to the outer position of following of groove lateral wall corresponding movable leaf, be fixed with the baffle on a blade of movable leaf, it has third electric push rod to articulate on the baffle, the articulated logical groove lateral wall that leads to of third electric push rod other end.
Furthermore, the wind power fan comprises a mounting block and rotating fan blades, and the rotating fan blades are uniformly fixed on the mounting block.
Further, the photovoltaic panel is electrically connected with a solar controller, the solar controller is electrically connected with a storage battery, and the storage battery is electrically connected with a driving motor, a laser rotating speed sensor, a first electric push rod, a second electric push rod and a third electric push rod.
Furthermore, the processor is in signal connection with the driving motor, the laser rotating speed sensor, the first electric push rod, the second electric push rod and the third electric push rod.
Compared with the prior art, the invention has the beneficial effects that: firstly, the solar energy can be effectively utilized through the arranged photovoltaic panel, the solar energy is converted into electric energy to be stored, meanwhile, the ventilating fan is driven to work under the condition of strong external wind power through the arranged wind power fan, the waste of energy is effectively reduced, the ventilating fan can be driven to work through the driving motor under the condition of small external wind power, and the consumed energy is the electric energy converted by the photovoltaic panel, so that the energy-saving effect is strong; secondly, the invention can cut off the circulation with the outside air when the ventilation is not needed through the arranged isolation component.
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 schematic structural view of the present invention;
FIG. 2 is a schematic view of a fourth bevel gear mounting arrangement of the present invention;
FIG. 3 is a schematic view of a wind fan according to the present invention;
FIG. 4 is a schematic view of an isolation assembly according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a wall body; 2. installing a frame; 3. an isolation component; 301. mounting a plate; 302. fixing the leaves; 303. moving the blades; 304. a limiting groove; 305. a third electric push rod; 4. a cross mounting bracket; 5. a rotating shaft; 6. a ventilator; 7. a first bevel gear; 8. a drive motor; 9. a second bevel gear; 10. a rotating shaft; 11. a wind power fan; 1101. mounting blocks; 1102. rotating the fan blades; 12. a third bevel gear; 13. a fourth bevel gear; 14. a laser rotation speed sensor; 15. a support bar; 16. a photovoltaic panel; 17. a first electric push rod; 18. a protective shell; 19. A storage battery; 20. a processor; 21. a solar controller; 22. a second electric push rod; 23. pushing the plate; 24. A limiting chute; 25. a return spring.
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.
Referring to fig. 1-4, the present embodiment provides a technical solution: an energy-saving and environment-friendly ventilation device comprises a wall body 1, a mounting frame 2 is fixed on the outer side of the wall body 1, an isolation component 3 is fixed on the left side of the inner cavity of the mounting frame 2, a cross mounting frame 4 is fixed on the right side of the inner cavity of the mounting frame 2, a rotating shaft 5 is rotatably arranged on the cross mounting frame 4, a ventilation fan 6 is fixed on the right end of the rotating shaft 5, a first bevel gear 7 is fixed on the left end of the rotating shaft 5, a driving motor 8 is fixed on the bottom end of the mounting frame 2, a power output shaft on the top of the driving motor 8 penetrates through the bottom wall of the mounting frame 2 through a bearing and is fixed with a second bevel gear 9, the second bevel gear 9 is meshed with the first bevel gear 7, a rotating shaft 10 is rotatably arranged on the upper wall of the mounting frame 2, a wind fan 11 is fixed on the top end of the rotating shaft 10, a third bevel gear 12 is fixed on the bottom end of the rotating shaft 10, a fourth bevel gear 13 is meshed with the third bevel gear 12, the fourth bevel gear 13 is slidably arranged on the rotating shaft 5, the laser rotating speed sensor 14 is fixed on one side of the rotating shaft 10 corresponding to the top wall of the inner side of the mounting frame 2, the supporting rod 15 is fixed on the right side of the top wall of the mounting frame 2, the photovoltaic plate 16 is hinged to the top end of the supporting rod 15, the first electric push rod 17 is hinged to one end of the bottom wall of the photovoltaic plate 16, the supporting rod 15 side wall is hinged to the other end of the first electric push rod 17, the protective shell 18 is fixed on the left side of the top wall of the mounting frame 2, and the storage battery 19, the processor 20 and the solar controller 21 are arranged in the protective shell 18.
Wherein, the side wall of the rotating shaft 5 is symmetrically provided with a limiting sliding groove 24 corresponding to the fourth bevel gear 13, a return spring 25 is arranged between one end of the limiting sliding groove 24 and the fourth bevel gear 13, the side wall of the cross mounting frame 4 is fixed with a second electric push rod 22, the other end of the second electric push rod 22 is fixed with a push plate 23, the push plate 23 is in lap joint with the side wall of the fourth bevel gear 13, and a plurality of balls are arranged at the contact position of the push plate 23 and the fourth bevel gear 13. Isolation component 3 includes mounting panel 301, and mounting panel 301 middle part has been seted up and has been led to the groove, leads to inslot one side and is fixed with fixed leaf 302, and fixed leaf 302 one end is rotated and is provided with movable leaf 303, leads to the groove lateral wall and corresponds movable leaf 303 and has seted up spacing groove 304 along the position outward, is fixed with the baffle on a blade of movable leaf 303, and it has third electric putter 305 to articulate on the baffle, and the articulated logical groove lateral wall that leads to of third electric putter 305 other end. The wind fan 11 comprises a mounting block 1101 and a rotating fan blade 1102, wherein the rotating fan blade 1102 is uniformly fixed on the mounting block 1101. The photovoltaic panel 16 is electrically connected with the solar controller 21, the solar controller 21 is electrically connected with the storage battery 19, and the storage battery 19 is electrically connected with the driving motor 8, the laser rotation speed sensor 14, the first electric push rod 17, the second electric push rod 22 and the third electric push rod 305. The processor 20 is in signal connection with the driving motor 8, the laser rotation speed sensor 14, the first electric push rod 17, the second electric push rod 22 and the third electric push rod 305.
One specific application of this embodiment is: when the wind power generation device is used, the rotating speed of the rotating shaft 10 is detected through the laser rotating speed sensor 14, so that the magnitude of external wind power is judged, when the external wind power is large, natural wind drives the wind power fan 11 to rotate, and the wind power fan 11 drives the ventilating fan 6 to work through the rotating shaft 10, the third bevel gear 12, the fourth bevel gear 13 and the rotating shaft 5. The photovoltaic panel 16 converts solar energy into electric energy to be stored in the storage battery 19, and the processor 20 can control the expansion and contraction of the first electric push rod 17 according to the sunshine direction, so that the angle of the photovoltaic panel 16 is adjusted, and the photoelectric conversion speed of the photovoltaic panel 16 is higher. When the external wind power is small, the processor 20 controls the second electric push rod 22 to contract, the fourth bevel gear 13 is separated from the third bevel gear 12 under the action of the return spring 25, then the processor 20 controls the driving motor 8 to work, and the driving motor 8 drives the ventilation fan 6 to work through the second bevel gear 9, the first bevel gear 7 and the rotating shaft 5. When ventilation is not needed, the processor 20 controls the third electric push rod 305 to push the movable blade 303 to rotate, so that the movable blade 303 is matched with the fixed blade 302, and the through groove is closed.
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 (4)
1. The utility model provides an energy-concerving and environment-protective ventilation device, includes wall body (1), its characterized in that: the wall body (1) is fixed with an installation frame (2) on the outer side, an isolation assembly (3) is fixed on the left side of an inner cavity of the installation frame (2), a cross installation frame (4) is fixed on the right side of the inner cavity of the installation frame (2), a rotating shaft (5) is arranged on the cross installation frame (4) in a rotating mode, a ventilating fan (6) is fixed on the right end of the rotating shaft (5), a first bevel gear (7) is fixed on the left end of the rotating shaft (5), a driving motor (8) is fixed on the bottom end of the installation frame (2), a power output shaft at the top of the driving motor (8) penetrates through the bottom wall of the installation frame (2) through a bearing and is fixed with a second bevel gear (9), the second bevel gear (9) is meshed with the first bevel gear (7), a rotating shaft (10) is arranged on the upper wall of the installation frame (2) in a rotating mode, a wind power fan (11) is fixed on the top end of the rotating shaft (10), a third bevel gear (12) is fixed at the bottom end of the rotating shaft (10), a fourth bevel gear (13) is connected to the third bevel gear (12) in a meshed manner, the fourth bevel gear (13) is arranged on the rotating shaft (5) in a sliding manner, a laser rotating speed sensor (14) is fixed on one side, corresponding to the rotating shaft (10), of the top wall of the inner side of the mounting frame (2), a supporting rod (15) is fixed on the right side of the top wall of the mounting frame (2), a photovoltaic plate (16) is hinged to the top end of the supporting rod (15), a first electric push rod (17) is hinged to one end of the bottom wall of the photovoltaic plate (16), the other end of the first electric push rod (17) is hinged to the side wall of the supporting rod (15), a protective shell (18) is fixed on the left side of the top wall of the mounting frame (2), and a storage battery (19), a processor (20) and a solar controller (21) are arranged in the protective shell (18);
the side wall of the rotating shaft (5) is symmetrically provided with limiting sliding grooves (24) corresponding to the fourth bevel gear (13), a reset spring (25) is arranged between one end of each limiting sliding groove (24) and the fourth bevel gear (13), the side wall of the cross mounting frame (4) is fixedly provided with a second electric push rod (22), the other end of each second electric push rod (22) is fixedly provided with a push plate (23), the push plates (23) are in lap joint with the side wall of the fourth bevel gear (13), and a plurality of balls are arranged at the contact positions of the push plates (23) and the fourth bevel gear (13);
the isolation assembly (3) comprises a mounting plate (301), a through groove is formed in the middle of the mounting plate (301), a fixed blade (302) is fixed on one side in the through groove, a movable blade (303) is rotatably arranged at one end of the fixed blade (302), a limiting groove (304) is formed in the position, corresponding to the outer edge of the movable blade (303), of the side wall of the through groove, a baffle is fixed on one blade of the movable blade (303), a third electric push rod (305) is hinged to the baffle, and the other end of the third electric push rod (305) is hinged to the side wall of the through groove; when air exchange is not needed, the processor (20) controls the third electric push rod (305) to push the movable blade (303) to rotate, so that the movable blade (303) is matched with the fixed blade (302), and the through groove is closed.
2. An energy-saving environment-friendly ventilation device as claimed in claim 1, wherein: the wind power fan (11) comprises a mounting block (1101) and rotating fan blades (1102), and the rotating fan blades (1102) are uniformly fixed on the mounting block (1101).
3. An energy-saving environment-friendly ventilation device as claimed in claim 1, wherein: photovoltaic board (16) electric connection solar control ware (21), solar control ware (21) electric connection battery (19), battery (19) electric connection driving motor (8), laser speed sensor (14), first electric push rod (17), second electric push rod (22) and third electric push rod (305).
4. An energy-saving environment-friendly ventilation device as claimed in claim 1, wherein: the processor (20) is in signal connection with the driving motor (8), the laser rotating speed sensor (14), the first electric push rod (17), the second electric push rod (22) and the third electric push rod (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010924527.9A CN112032905B (en) | 2020-09-05 | 2020-09-05 | Energy-saving environment-friendly ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010924527.9A CN112032905B (en) | 2020-09-05 | 2020-09-05 | Energy-saving environment-friendly ventilation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112032905A CN112032905A (en) | 2020-12-04 |
| CN112032905B true CN112032905B (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010924527.9A Active CN112032905B (en) | 2020-09-05 | 2020-09-05 | Energy-saving environment-friendly ventilation device |
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| CN (1) | CN112032905B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719941A (en) * | 2021-08-26 | 2021-11-30 | 王益鹤 | Mill is with dust collecting equipment that takes a breath |
| CN114484680B (en) * | 2022-02-10 | 2023-09-22 | 深圳市艺桥装饰设计工程有限公司 | Green building ventilation energy-saving equipment |
| CN114738894B (en) * | 2022-05-07 | 2024-03-15 | 海景建设工程有限公司 | Energy-saving ventilation device for building |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8368240B1 (en) * | 2008-11-24 | 2013-02-05 | Bob Burkett | Roof installed wind turbine vent and solar panel electric power generation system |
| JP2018071957A (en) * | 2016-10-24 | 2018-05-10 | 藤山 憲一 | Ventilator for vacant house |
| CN108518309B (en) * | 2018-03-08 | 2020-06-09 | 湖南高创新能源有限公司 | Intelligent wind driven generator with strong weather adaptation capability based on Internet of things |
| CN109028427B (en) * | 2018-07-10 | 2020-06-23 | 云浮市云丰环保设备有限公司 | Energy-saving environment-friendly ventilation device |
| CN109405154A (en) * | 2018-09-19 | 2019-03-01 | 河南中恒网络科技有限公司 | A kind of energy conservation and environmental protection ventilation device |
| CN109654645A (en) * | 2018-11-28 | 2019-04-19 | 夏雨悦 | One kind being used for energy saving and environment friendly ventilation equipment |
| CN210135666U (en) * | 2019-06-19 | 2020-03-10 | 毛冬竹 | Ventilation and heat dissipation device for building energy conservation |
| CN111425980A (en) * | 2020-04-20 | 2020-07-17 | 嵊州图白发电科技有限公司 | Ventilation equipment with from power generation function |
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2020
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Effective date of registration: 20211026 Address after: 343100 3rd floor, building C, youth entrepreneurship Incubation Park, Ji'an County, Ji'an City, Jiangxi Province Applicant after: Jiangxi Green Shield Environmental Engineering Co.,Ltd. Address before: Room 2205, unit 3, building 2, Shimao Jiangbin commercial center, Baiyang street, Qiantang New District, Hangzhou, Zhejiang 310000 Applicant before: Hangzhou Haike hanghuan Technology Co.,Ltd. |
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