CN112916443B - Surface cleaning device is used in solar cell panel production - Google Patents
Surface cleaning device is used in solar cell panel production Download PDFInfo
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- CN112916443B CN112916443B CN202110079805.XA CN202110079805A CN112916443B CN 112916443 B CN112916443 B CN 112916443B CN 202110079805 A CN202110079805 A CN 202110079805A CN 112916443 B CN112916443 B CN 112916443B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 230000002146 bilateral effect Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Photovoltaic Devices (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a surface cleaning device for solar cell panel production, and relates to a cleaning device which comprises a cell panel supporting component and a cell panel cleaning component, wherein a solar cell panel is placed above the cell panel supporting component, the cell panel cleaning component comprises a cleaning support, the cleaning support is a door-shaped support, sliding blocks are fixedly connected to the bottom of the cleaning support in a bilateral symmetry manner, the sliding blocks are all in sliding connection with horizontal supporting plates, a first motor support is fixedly connected above one of the horizontal supporting plates, and a first motor is fixedly connected above the first motor support. The cooperation through panel supporting component and the clean subassembly of panel makes the device more convenient carrying out clear in-process to solar panel, and is clean effectual, and panel supporting component can height-adjusting to make things convenient for placing of solar cell panel, the clean subassembly of panel can inject highly through spacing slip subassembly and clean, ensures clear validity.
Description
Technical Field
The invention relates to a cleaning device, in particular to a surface cleaning device for production of a solar cell panel.
Background
Solar energy is a renewable energy source. Refers to the heat radiation energy of the sun (see three ways of heat energy propagation: radiation), and the main expression is the solar ray. In modern times it is commonly used to generate electricity or to power water heaters.
Since the birth of life on the earth, people mainly live by the heat radiation energy provided by the sun, and ancient mankind also understand that objects are dried in the sun and used as methods for making food, such as salt making, salted fish drying and the like. With the ever-decreasing consumption of fossil fuels, solar energy has become an important component of energy used by humans and is constantly being developed. The solar energy is utilized in a photo-thermal conversion mode and a photoelectric conversion mode, and solar power generation is a new renewable energy source. Solar energy in a broad sense also includes wind energy, chemical energy, water energy, etc. on the earth.
Solar cell panel is the important part with solar energy transformation electric energy, and the surface can be infected with the dust in process of production, can seriously influence solar cell panel's energy conversion efficiency if not clean, and current cleaning device often can not be fine the realization to solar cell panel surface clean, and the cleaning performance is not good. To this end, a surface cleaning device for solar panel production has been proposed by those skilled in the art to solve the problems set forth in the background above.
Disclosure of Invention
The invention aims to provide a surface cleaning device for producing a solar cell panel, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a surface cleaning device for solar cell panel production comprises cell panel supporting components and cell panel cleaning components, wherein a solar cell panel is placed above the cell panel supporting components, each cell panel cleaning component comprises a cleaning support, each cleaning support is a door-shaped support, sliders are fixedly connected to the bottom of each cleaning support in a bilateral symmetry mode and are all connected with horizontal supporting plates in a sliding mode, a first motor support is fixedly connected above one horizontal supporting plate, a first motor is fixedly connected above the first motor support, an incomplete gear is fixedly connected to the output end of the first motor, an annular piece is fixedly connected to the cleaning support on the same side of the first motor, racks are fixedly connected to the upper side and the lower side of the inside of the annular piece, and the incomplete gears are alternately meshed with the racks on the upper side and the lower side; the cleaning support is characterized in that longitudinal sliding rods are symmetrically and slidably connected to the top of the cleaning support in a bilateral mode, transverse rods are fixedly connected to the top of the longitudinal sliding rods, springs are symmetrically and fixedly connected to the bottom of the transverse rods in the bilateral mode, the lower ends of the springs are fixedly connected to the top of the cleaning support, a platform is fixedly connected to the bottom of the longitudinal sliding rods, limiting sliding components are symmetrically and fixedly connected to the bottom of the platform in the bilateral mode and matched with the top of a solar panel supporting component, a second motor support is fixedly connected to the left side above the platform, a second motor is fixedly connected to the upper portion of the second motor support, a screw rod is fixedly connected to a rotor of the second motor, a sliding sleeve is in threaded connection to the outer side of the screw rod, a cleaning rotating shaft is rotatably connected to the lower portion of the sliding sleeve, a cleaning rotating plate is fixedly connected to the bottom of the cleaning rotating shaft, bristles are fixedly connected to the bottom of the cleaning rotating plate and matched with a solar panel, and longitudinal through holes are formed in the platform, one side of the longitudinal through hole is fixedly connected with a transmission rack, the outer side of the cleaning rotating shaft is fixedly connected with a transmission gear, and the transmission gear is meshed with the transmission rack.
As a further scheme of the invention: the bottom of the horizontal supporting plate is fixedly connected with universal supporting wheels.
As a still further scheme of the invention: the battery board supporting component comprises a supporting table board, a guide groove is fixedly connected to the bottom of the supporting table board, a sliding support rod is connected to the inner portion of the guide groove in a longitudinal sliding mode, a fixing support is fixedly connected to the outer side of the bottom of the supporting table board, an adjusting screw rod is connected to the inner side of the fixing support in a threaded mode, an inclined driving block is fixedly connected to the inner end of the adjusting screw rod, and the inclined driving block is matched with the top of the sliding support rod.
As a still further scheme of the invention: the first motor is an alternating current motor, the second motor is a stepping motor, and the first motor and the second motor are electrically connected with a power supply through a switch.
As a still further scheme of the invention: the spring is in a stretched state.
As a still further scheme of the invention: the limiting sliding assembly comprises a limiting support, the bottom of the limiting support is rotatably connected with an idler wheel, and the idler wheel is abutted to a supporting table board of the battery panel supporting assembly.
As a still further scheme of the invention: the inclination angle of the inclination driving block is 30-60 degrees.
As a still further scheme of the invention: the first motor support and the second motor support are connected through bolts.
Compared with the prior art, the invention has the beneficial effects that: the solar panel cleaning device is simple in structure and convenient to use, the device is more convenient in the process of cleaning a solar panel through the cooperation of the cell panel supporting component and the cell panel cleaning component, the cleaning effect is good, the height of the cell panel supporting component can be adjusted, so that the solar panel can be conveniently placed, the height of the cell panel cleaning component can be limited through the limiting sliding component to be cleaned, the cleaning effectiveness is guaranteed, and the solar panel cleaning device is worthy of popularization.
Drawings
FIG. 1 is a schematic structural view of a surface cleaning apparatus for solar panel production;
FIG. 2 is a schematic view of a partially enlarged structure of a panel support assembly of a surface cleaning apparatus for solar panel production;
FIG. 3 is a schematic diagram of a matching structure of an incomplete gear and a ring-shaped member in a surface cleaning device for producing a solar cell panel;
FIG. 4 is a schematic view of a platform of the surface cleaning apparatus for solar panel production;
in the figure: 1-cleaning support, 2-sliding block, 3-horizontal supporting plate, 4-first motor support, 5-first motor, 6-incomplete gear, 7-ring-shaped part, 8-rack, 9-longitudinal sliding rod, 10-cross rod, 11-spring, 12-platform, 13-second motor support, 14-second motor, 15-screw, 16-sliding sleeve, 17-cleaning rotating shaft, 18-cleaning rotating plate, 19-brush hair, 20-longitudinal through hole, 21-transmission rack, 22-transmission gear, 23-universal supporting wheel, 24-supporting table top, 25-guide groove, 26-sliding supporting rod, 27-fixed support, 28-adjusting screw, 29-inclined driving block, 30-limiting support, 31-roller.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The first embodiment is as follows: referring to fig. 1-4, a surface cleaning apparatus for solar cell panel production includes a cell panel supporting assembly and a cell panel cleaning assembly, the solar cell panel is placed above the cell panel supporting component, the cell panel cleaning component comprises a cleaning support 1, the cleaning support 1 is a door-shaped support, sliding blocks 2 are fixedly connected to the bottom of the cleaning support 1 in a bilateral symmetry mode, the sliding blocks 2 are connected with a horizontal supporting plate 3 in a sliding mode, a first motor bracket 4 is fixedly connected above one of the horizontal supporting plates 3, a first motor 5 is fixedly connected above the first motor bracket 4, an incomplete gear 6 is fixedly connected at the output end of the first motor 5, an annular piece 7 is fixedly connected to the cleaning support 1 on the same side as the first motor 5, racks 8 are fixedly connected to the upper part and the lower part of the inside of the annular piece 7, and the incomplete gear 6 is alternately meshed with the racks 8 on the upper part and the lower part;
when the solar cell panel cleaning assembly is used, the height of the solar cell panel supporting assembly is adjusted, the solar cell panel is placed above the solar cell panel supporting assembly, then the first motor 5 is started, the first motor 5 rotates to drive the incomplete gear 6 to rotate, the incomplete gear 6 can be alternately meshed with the racks 8 on the upper side and the lower side through rotation, the annular piece 7 is driven to move back and forth, and the back and forth movement of the annular piece 7 can be realized through the back and forth movement of the bristles 29 used for cleaning in the solar cell panel cleaning assembly;
the cleaning device is characterized in that longitudinal sliding rods 9 are connected to the top of the cleaning support 1 in a bilateral symmetry sliding manner, transverse rods 10 are fixedly connected to the top of the longitudinal sliding rods 9, springs 11 are fixedly connected to the bottom of the transverse rods 10 in a bilateral symmetry manner, the lower ends of the springs 11 are fixedly connected to the top of the cleaning support 1, a platform 12 is fixedly connected to the bottom of the longitudinal sliding rods 9, limiting sliding components are fixedly connected to the bottom of the platform 12 in a bilateral symmetry manner and matched with the top of the battery panel supporting component, a second motor support 13 is fixedly connected to the left side above the platform 12, a second motor 14 is fixedly connected to the upper side of the second motor support 13, a screw 15 is fixedly connected to a rotor of the second motor 14, a sliding sleeve 16 is in threaded connection with the outer side of the screw 15, a cleaning rotating shaft 17 is rotatably connected to the lower side of the sliding sleeve 16, a cleaning rotating plate 18 is fixedly connected to the bottom of the cleaning rotating shaft 17, and bristles 19 are fixedly connected to the bottom of the cleaning rotating plate 18, the brush bristles 19 are matched with the solar cell panel, a longitudinal through hole 20 is formed in the platform 12, a transmission rack 21 is fixedly connected to one side of the longitudinal through hole 20, a transmission gear 22 is fixedly connected to the outer side of the cleaning rotating shaft 17, and the transmission gear 22 is meshed with the transmission rack 21;
the second motor 14 is started, the second motor 14 rotates to drive the screw rod 15 to rotate, the screw rod 15 rotates to drive the sliding sleeve 16 to move left and right, the transmission gear 22 is driven to move left and right in the left and right movement process of the sliding sleeve 16, and the transmission gear 22 continuously rotates in the cleaning process and drives the bristles 19 to rotate due to the fact that the transmission gear 22 and the transmission rack 21 are in the meshed state, and therefore cleaning of the solar cell panel is achieved.
The bottom of the horizontal supporting plate 3 is fixedly connected with universal supporting wheels 23.
The panel supporting component comprises a supporting table board 24, a guide groove 25 is fixedly connected to the bottom of the supporting table board 24, a sliding support rod 26 is connected to the inner portion of the guide groove 25 in a longitudinal sliding mode, a fixing support 27 is fixedly connected to the outer side of the bottom of the supporting table board 24, an adjusting screw 28 is connected to the inner side of the fixing support 27 in a threaded mode, an inclined driving block 29 is fixedly connected to the inner end of the adjusting screw 28, the inclined driving block 29 is matched with the top of the sliding support rod 26, the adjusting screw 28 is rotated, the adjusting screw 28 can move left and right, the moving direction is determined by the rotating direction, the adjusting inclined driving block 29 can be abutted to the sliding support rod 26, relative movement of the sliding groove to the drying 26 and the guide groove 25 is achieved, and then height adjustment of the panel supporting component is achieved.
The first motor 5 is an alternating current motor, the second motor 14 is a stepping motor, and the first motor 5 and the second motor 14 are electrically connected with a power supply through a switch.
The spring 11 is in a stretched state.
The limiting sliding assembly comprises a limiting support 30, the bottom of the limiting support 30 is rotatably connected with a roller 31, the roller 31 abuts against a supporting table board 24 of the battery panel supporting assembly, the roller 31 is dripped on the driving table board 24, and the bristles 19 can be matched with a solar battery panel under the action of the spring 11 to realize cleaning.
The first motor support 4 and the second motor support 13 are connected through bolts.
The second embodiment: this embodiment is a further improvement of the previous embodiment: the inclination angle of the inclination driving block 29 is 30-60 degrees, and a better height adjusting effect can be achieved.
The working principle of the invention is as follows: when the solar cell panel cleaning device is used, the height of a cell panel supporting assembly is adjusted, a solar cell panel is placed above the solar cell panel supporting assembly, then a first motor 5 is started, the first motor 5 rotates to drive an incomplete gear 6 to rotate, the incomplete gear 6 rotates to be alternately meshed with racks 8 on the upper side and the lower side and drives an annular piece 7 to move back and forth, bristles 29 used for cleaning in the cell panel cleaning assembly can move back and forth by the back and forth movement of the annular piece 7, a second motor 14 is started, the second motor 14 rotates to drive a screw rod 15 to rotate, the screw rod 15 rotates to drive a sliding sleeve 16 to move left and right, the transmission gear 22 is driven to move left and right in the left and right movement process of the sliding sleeve 16, and the transmission gear 22 and a transmission rack 21 are in a meshed state, the transmission gear 22 continuously rotates in the cleaning process, and the bristles 19 are driven to rotate, so that the solar cell panel is cleaned.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A surface cleaning device for solar cell panel production comprises a cell panel supporting component and a cell panel cleaning component, wherein a solar cell panel is placed above the cell panel supporting component, the cell panel cleaning component comprises a cleaning support (1), the cleaning support (1) is a door-shaped support, sliders (2) are fixedly connected to the bottom of the cleaning support (1) in a bilateral symmetry manner, and the sliders (2) are all in sliding connection with horizontal supporting plates (3), the surface cleaning device is characterized in that one of the horizontal supporting plates (3) is fixedly connected with a first motor support (4), a first motor (5) is fixedly connected to the upper portion of the first motor support (4), an incomplete gear (6) is fixedly connected to the output end of the first motor (5), a ring-shaped piece (7) is fixedly connected to the cleaning support (1) on the same side with the first motor (5), and racks (8) are fixedly connected to the upper portion and the lower portion inside the ring-shaped piece (7), the incomplete gear (6) is alternately meshed with the upper rack (8) and the lower rack (8); the cleaning device is characterized in that a longitudinal sliding rod (9) is connected to the top of the cleaning support (1) in a bilateral symmetry sliding mode, a cross rod (10) is fixedly connected to the top of the longitudinal sliding rod (9), springs (11) are fixedly connected to the bottom of the cross rod (10) in a bilateral symmetry mode, the lower end of each spring (11) is fixedly connected to the top of the cleaning support (1), a platform (12) is fixedly connected to the bottom of the longitudinal sliding rod (9) in a bilateral symmetry mode, limiting sliding components are fixedly connected to the bottom of the platform (12) in a bilateral symmetry mode and matched with the tops of the cell panel supporting components, a second motor support (13) is fixedly connected to the left side of the upper portion of the platform (12), a second motor (14) is fixedly connected to the upper portion of the second motor support (13), a screw rod (15) is fixedly connected to a rotor of the second motor (14), a sliding sleeve (16) is connected to the outer side of the screw rod (15), and a cleaning rotating shaft (17) is rotatably connected to the lower portion of the sliding sleeve (16), the bottom of the cleaning rotating shaft (17) is fixedly connected with a cleaning rotating plate (18), the bottom of the cleaning rotating plate (18) is fixedly connected with bristles (19), the bristles (19) are matched with the solar cell panel, a longitudinal through hole (20) is formed in the platform (12), one side of the longitudinal through hole (20) is fixedly connected with a transmission rack (21), the outer side of the cleaning rotating shaft (17) is fixedly connected with a transmission gear (22), and the transmission gear (22) is meshed with the transmission rack (21); the battery plate supporting component comprises a supporting table board (24), a guide groove (25) is fixedly connected to the bottom of the supporting table board (24), a sliding support rod (26) is connected to the inner portion of the guide groove (25) in a longitudinal sliding mode, a fixing support (27) is fixedly connected to the outer side of the bottom of the supporting table board (24), an adjusting screw rod (28) is in threaded connection with the inner side of the fixing support (27), an inclined driving block (29) is fixedly connected to the inner end of the adjusting screw rod (28), the inclined driving block (29) is matched with the top of the sliding support rod (26), the first motor (5) is an alternating current motor, the second motor (14) is a stepping motor, the first motor (5) and the second motor (14) are electrically connected with a power supply through a switch, the spring (11) is in a stretching state, the limiting sliding component comprises a limiting support (30), and idler wheels (31) are rotatably connected to the bottom of the limiting support (30), the roller (31) is pressed against the support table surface (24) of the battery plate support assembly.
2. The surface cleaning device for producing the solar panel is characterized in that universal support wheels (23) are fixedly connected to the bottoms of the horizontal support plates (3).
3. Surface cleaning apparatus for solar panel production according to claim 2, characterized in that the inclination angle of the inclination drive block (29) is 30 ° -60 °.
4. Surface cleaning device for solar panel production according to claim 1, characterized in that the first motor bracket (4) and the second motor bracket (13) are both connected by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079805.XA CN112916443B (en) | 2021-01-21 | 2021-01-21 | Surface cleaning device is used in solar cell panel production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079805.XA CN112916443B (en) | 2021-01-21 | 2021-01-21 | Surface cleaning device is used in solar cell panel production |
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| CN112916443A CN112916443A (en) | 2021-06-08 |
| CN112916443B true CN112916443B (en) | 2022-07-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006167529A (en) * | 2004-12-14 | 2006-06-29 | Hitachi High-Tech Electronics Engineering Co Ltd | Substrate cleaning apparatus, substrate cleaning method, and substrate manufacturing method |
| ES2322745B1 (en) * | 2007-10-09 | 2010-04-08 | Brown Group Spain S.A. | AUTOMATIC SOLAR PANEL CLEANING SYSTEM. |
| CN106824915B (en) * | 2017-03-14 | 2019-06-28 | 安徽鹰龙工业设计有限公司 | A kind of main frame cleaner |
| CN207247731U (en) * | 2017-03-30 | 2018-04-17 | 湘潭大学兴湘学院 | A kind of air knife water removal device |
| CN206814724U (en) * | 2017-04-12 | 2017-12-29 | 广州兰洁宝生物科技有限公司 | A kind of enzyme-added fragrant equipment of painting |
| CN109921737A (en) * | 2017-12-12 | 2019-06-21 | 中船重工西安能源科技有限公司 | A kind of solar battery plate supporting device convenient for cleaning |
| CN209216522U (en) * | 2018-11-22 | 2019-08-06 | 王佳伟 | A kind of adjustable urban and rural planning propaganda board dust-extraction unit |
| CN209299216U (en) * | 2018-12-29 | 2019-08-23 | 湖州迈思自动化科技有限公司 | A kind of photovoltaic power generation solar battery board cleaning device |
| CN110882956A (en) * | 2019-12-13 | 2020-03-17 | 吕晨康 | Auxiliary cleaning device for solar cell panel |
| CN212183475U (en) * | 2020-06-24 | 2020-12-18 | 江苏明耀光伏科技有限公司 | Snow and ice removing device for solar photovoltaic panel |
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Effective date of registration: 20220701 Address after: 110000 Hushitai Town, Shenbei New District, Shenyang City, Liaoning Province Applicant after: LIAONING PROVINCIAL College OF COMMUNICATIONS Address before: No. 102, Shenbei Road, Shenbei New District, Shenyang City, Liaoning Province Applicant before: Wu Qingyang |
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