CN115041434A - High-efficient belt cleaning device of photovoltaic board - Google Patents

High-efficient belt cleaning device of photovoltaic board Download PDF

Info

Publication number
CN115041434A
CN115041434A CN202210682701.2A CN202210682701A CN115041434A CN 115041434 A CN115041434 A CN 115041434A CN 202210682701 A CN202210682701 A CN 202210682701A CN 115041434 A CN115041434 A CN 115041434A
Authority
CN
China
Prior art keywords
cleaning device
photovoltaic panel
photovoltaic
water tank
photovoltaic board
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.)
Withdrawn
Application number
CN202210682701.2A
Other languages
Chinese (zh)
Inventor
朱广超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Peixian Tenhui New Energy Technology Co ltd
Original Assignee
Peixian Tenhui New Energy Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Peixian Tenhui New Energy Technology Co ltd filed Critical Peixian Tenhui New Energy Technology Co ltd
Priority to CN202210682701.2A priority Critical patent/CN115041434A/en
Publication of CN115041434A publication Critical patent/CN115041434A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165Scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • B08B3/024Cleaning by means of spray elements moving over the surface to be cleaned
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/14Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10Cleaning arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a high-efficiency cleaning device for a photovoltaic panel, which comprises a photovoltaic panel body, a bottom plate and a cleaning device, wherein the bottom plate is arranged on one side of the bottom of the photovoltaic panel body, the cleaning device is arranged on one side of the photovoltaic panel body, and the cleaning device comprises a driving cavity, a connecting cavity, a clamping block, a telescopic rod, a water tank and a hinge block. The invention belongs to the technical field of photovoltaic panel cleaning, and particularly provides a photovoltaic panel high-efficiency cleaning device which is high in practicability, simple to use, convenient to assemble, capable of reducing the labor intensity of workers and improving the cleaning efficiency, and capable of effectively recycling sewage and reducing resource waste.

Description

High-efficient belt cleaning device of photovoltaic board
Technical Field
The invention belongs to the technical field of photovoltaic panel cleaning, and particularly relates to a photovoltaic panel efficient cleaning device.
Background
The solar photovoltaic panel receives light energy and converts the light energy into electric energy, the solar photovoltaic panel is exposed outdoors, dust often falls on the photovoltaic panel to block light, and the conversion of the light energy is greatly reduced, so that the solar photovoltaic panel is very important to be cleaned
Current photovoltaic board washs, mostly cleans through the manual work, because photovoltaic board is more, leads to artifical washing work load great, and clean efficiency is slower, and can not carry out recycle to the water resource, leads to the serious shortcoming of water waste.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the photovoltaic panel efficient cleaning device which is high in practicability, simple to use, convenient to assemble, capable of reducing the labor intensity of workers and improving the cleaning efficiency, and capable of effectively recycling sewage and reducing resource waste.
The technical scheme adopted by the invention is as follows: the utility model provides a high-efficient belt cleaning device of photovoltaic board, including photovoltaic board body, bottom plate and belt cleaning device, photovoltaic board body bottom one side is located to the bottom plate, belt cleaning device locates photovoltaic board body one side, belt cleaning device includes drive chamber, connection chamber, fixture block, telescopic link, water tank and articulated piece, the water tank is located on the bottom plate, drive chamber locates one side on the photovoltaic board body, connect the chamber and connect and locate drive chamber top, the fixture block card is located on photovoltaic board body side, the horizontal symmetry of telescopic link is located on the photovoltaic board body, just on the fixture block is located to telescopic link one end, just between the telescopic link is located to the drive chamber, articulated piece symmetric connection locates on the water tank, just the telescopic link other end runs through the telescopic link through the screw rod and articulates on locating articulated piece.
Further, be equipped with clean subassembly on the drive chamber, clean subassembly includes spread groove, spring, scraper blade, shower nozzle, air pump, gas-supply pipe and jet head, spread groove and shower nozzle are all connected and are located and connect chamber bottom drive chamber both sides, the scraper blade is located in the spread groove, top in the spread groove is located to spring coupling, just on roof and the scraper blade in the spread groove are located respectively to the spring both ends, the air pump is equipped with on the connection chamber, one side on the air pump is located in the gas-supply pipe connection, the even transverse arrangement of jet head is located gas-supply pipe bottom one and is served, and the shower nozzle erodees this body surface dust of photovoltaic board, scrapes through the scraper blade, and the jet head of air pump accessible weathers this body surface of photovoltaic board, improves clean effect.
Further, the scraper blade is the rubber material, the drive intracavity symmetry runs through and is equipped with the drive wheel, the drive wheel surface is equipped with the rubber layer, one side connection is equipped with the motor on the drive chamber, just motor output shaft connects and locates drive wheel one side axle center department, and it is rotatory to drive the drive wheel through the motor, removes the drive chamber.
Furthermore, both sides all are equipped with solid fixed ring on the drive chamber, just gu fixed ring cover is located on the telescopic link, just gu fixed ring fixes through the bolt.
Further, the controller is arranged on one side of the driving cavity, the controller is electrically connected with the cleaning assembly, and a storage battery is arranged in the driving cavity.
Furthermore, a water collecting tank is arranged on the water tank relative to one side of the photovoltaic panel body, an activated carbon filter plate is arranged in the water collecting tank, the bottom of the water collecting tank is connected with the water tank through a pipeline, and the scraped sewage is filtered and collected, so that the waste of water resources is reduced.
Furthermore, a water pump is arranged at the top of the water tank, and a connecting pipe is connected between the water pump and the connecting cavity.
Further, a placing groove is formed in one side of the bottom plate and used for placing the cleaning assembly, and universal wheels are symmetrically connected to the bottom of the bottom plate.
The invention with the structure has the following beneficial effects: this scheme high-efficient belt cleaning device of photovoltaic board, the practicality is high, and is simple to use, is convenient for assemble, reduces workman intensity of labour, improves clean efficiency, can effectively carry out recycle to sewage, reduces the wasting of resources.
Drawings
FIG. 1 is a schematic overall structure diagram of a photovoltaic panel efficient cleaning device according to the scheme;
fig. 2 is a schematic structural diagram of a cleaning assembly of the high-efficiency cleaning device for the photovoltaic panel according to the scheme.
Wherein, 1, photovoltaic board body, 2, the bottom plate, 3, belt cleaning device, 4, the drive chamber, 5, connect the chamber, 6, the fixture block, 7, the telescopic link, 8, the water tank, 9, articulated piece, 10, clean subassembly, 11, the spread groove, 12, the spring, 13, the scraper blade, 14, the shower nozzle, 15, the air pump, 16, the gas-supply pipe, 17, the jet head, 18, the drive wheel, 19, the rubber layer, 20, the motor, 21, solid fixed ring, 22, the controller, 23, the battery, 24, the water catch bowl, 25, the active carbon filter, 26, the water pump, 27, the connecting pipe, 28, the standing groove, 29, the universal wheel.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the 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.
As shown in figure 1, the high-efficiency cleaning device for the photovoltaic panel comprises a photovoltaic panel body 1, a bottom plate 2 and a cleaning device 3, the bottom plate 2 is arranged on one side of the bottom of the photovoltaic panel body 1, the cleaning device 3 is arranged on one side of the photovoltaic panel body 1, the cleaning device 3 comprises a driving cavity 4, a connecting cavity 5, a clamping block 6, a telescopic rod 7, a water tank 8 and a hinged block 9, the water tank 8 is arranged on the bottom plate 2, the driving cavity 4 is arranged on one side of the photovoltaic panel body 1, the connecting cavity 5 is connected with the top of the driving cavity 4, the clamping blocks 6 are clamped on the side ends of the photovoltaic panel body 1, the telescopic rods 7 are horizontally and symmetrically arranged on the photovoltaic panel body 1, one end of the telescopic rod 7 is arranged on the clamping block 6, the driving cavity 4 is arranged between the telescopic rods 7, the hinged blocks 9 are symmetrically connected on the water tank 8, and the other end of the telescopic rod 7 is hinged on the hinge block 9 by penetrating through the telescopic rod 7 through a screw rod.
As shown in fig. 2, a cleaning assembly 10 is arranged on the driving chamber 4, the cleaning assembly 10 includes a connecting groove 11, a spring 12, a scraper 13, a nozzle 14, an air pump 15, an air pipe 16 and an air nozzle 17, the connecting groove 11 and the spray head 14 are connected and arranged at two sides of the driving cavity 4 at the bottom of the connecting cavity 5, the scraper 13 is arranged in the connecting groove 11, the spring 12 is connected and arranged at the top in the connecting groove 11, and both ends of the spring 12 are respectively connected and arranged on the inner top wall of the connecting groove 11 and the scraper 13, the air pump 15 is arranged on the connecting cavity 5, the air delivery pipe 16 is connected with one side of the air pump 15, the air nozzles 17 are uniformly and transversely arranged on one end of the bottom of the air delivery pipe 16, the spray head 14 washes dust on the surface of the photovoltaic panel body 1, scrape through scraper blade 13 and move, air pump 15 accessible jet-propelled head 17 is to weathering in photovoltaic board body 1 surface, improves clean effect.
The scraper 13 is made of rubber, driving wheels 18 symmetrically penetrate through the driving cavity 4, a rubber layer 19 is arranged on the outer surface of each driving wheel 18, a motor 20 is connected to one side of the driving cavity 4, and an output shaft of the motor 20 is connected to the axle center of one side of each driving wheel 18; fixing rings 21 are arranged on two sides of the driving cavity 4, the fixing rings 21 are sleeved on the telescopic rod 7, and the fixing rings 21 are fixed through bolts; a controller 22 is arranged on one side of the driving cavity 4, the controller 22 is electrically connected with the cleaning assembly 10, and a storage battery 23 is arranged in the driving cavity 4; a water collecting tank 24 is arranged on one side, opposite to the photovoltaic panel body 1, of the water tank 8, an activated carbon filter plate 25 is arranged in the water collecting tank 24, and the bottom of the water collecting tank 24 is connected with the water tank 8 through a pipeline; a water pump 26 is arranged at the top of the water tank 8, and a connecting pipe 27 is connected between the water pump 26 and the connecting cavity 5; a placing groove 28 is formed in one side of the bottom plate 2, the placing groove 28 is used for placing the cleaning assembly 10, and universal wheels 29 are symmetrically connected to the bottom of the bottom plate 2.
When the cleaning device is used specifically, the water tank 8 is pushed to one side of a photovoltaic plate to be cleaned, the clamping block 6 is clamped at the end, far away from the water tank 8, of the photovoltaic plate body 1, the telescopic rod 7 is stretched, one end of the telescopic rod is arranged at the position of the hinge block 9 and is fixed through the screw rod, the driving cavity 4 is arranged at one side of the photovoltaic plate body 1 and is sleeved on the telescopic rod 7 through the fixing ring 21 and is fixed through the bolt, the water pump 26 extracts cleaning water in the water tank 8 and conveys the cleaning water into the connecting cavity 5 through the connecting pipe 27, the cleaning water is sprayed to the surface of the photovoltaic plate body 1 through the spray head 14, dust is washed, the motor 20 is started at the moment to drive the driving wheel 18 to rotate, so as to drive the driving cavity 4 to move towards one side of the water tank 8 on the photovoltaic plate body 1, in the moving process, due to the action of the spring 12, one end of the bottom of the scraper 13 is always attached to the surface of the photovoltaic plate body 1, the surface of the photovoltaic panel body 1 is scraped by the scraper 13 so as to be cleaned, the air pump 15 is operated, the surface of the photovoltaic panel body 1 after cleaning is dried through the air nozzle 17, the cleaning effect is improved, when the driving cavity 4 moves towards one side of the water tank 8, sewage drops into the water collecting tank 24, is filtered by the activated carbon filter plate 25 and finally enters the water tank 8 through the pipeline, so that the secondary utilization of the cleaning water can be effectively realized, the waste of water resources is reduced, in the using process, the water tank 8 and the clamping block 6 are pushed to one side of the photovoltaic panel, so that the position of the cleaning assembly 10 is adjusted, the labor intensity of workers is greatly reduced, the cleaning efficiency is improved, the device is suitable for cleaning various high-specification photovoltaic panels, and the photovoltaic panel is also applicable to the horizontal or inclined installation state, the applicability is strong, and the disassembly and assembly are convenient.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. The utility model provides a high-efficient belt cleaning device of photovoltaic board which characterized in that: including photovoltaic board body, bottom plate and belt cleaning device, photovoltaic board body bottom one side is located to the bottom plate, belt cleaning device locates photovoltaic board body one side, belt cleaning device includes the water tank chamber, the water tank is located on the bottom plate, one side is equipped with the drive chamber on the photovoltaic board body, the connection of drive chamber top is equipped with the connection chamber, the card is equipped with the fixture block on the photovoltaic board body side, the symmetry of going up the level is equipped with the telescopic link on the photovoltaic board body, just on the fixture block was located to telescopic link one end, just the drive chamber is located between the telescopic link, connect for photovoltaic board body one side on the water tank and be equipped with articulated piece, just the telescopic link other end runs through the telescopic link through the screw rod and articulates on locating articulated piece.
2. The efficient cleaning device for the photovoltaic panel as recited in claim 1, wherein: the improved pneumatic cleaning device is characterized in that a cleaning component is arranged on the driving cavity and comprises a connecting groove, a spring, a scraper plate, a sprayer, an air pump, a gas pipe and a jet head, wherein the connecting groove and the sprayer are connected and arranged at two sides of the driving cavity at the bottom of the connecting cavity, the scraper plate is arranged in the connecting groove, the spring is connected and arranged at the top in the connecting groove, the two ends of the spring are respectively connected and arranged on the top wall and the scraper plate in the connecting groove, the air pump is arranged on the connecting cavity, the gas pipe is connected and arranged on the air pump at one side, and the jet head is uniformly and transversely arranged at one end of the bottom of the gas pipe.
3. The efficient cleaning device for the photovoltaic panel as claimed in claim 2, wherein: the scraper blade is the rubber material, the symmetry runs through in the drive chamber and is equipped with the drive wheel, the drive wheel surface is equipped with the rubber layer, one side connection is equipped with the motor on the drive chamber, just motor output shaft locates drive wheel one side axle center department.
4. The efficient cleaning device for the photovoltaic panel as recited in claim 1, wherein: both sides all are equipped with solid fixed ring on the drive chamber, just gu fixed ring cover is located on the telescopic link, just gu fixed ring fixes through the bolt.
5. The efficient cleaning device for the photovoltaic panel as recited in claim 3, wherein: the controller is located to one side on the drive chamber, just controller and clean subassembly electric connection, be equipped with the battery in the drive chamber.
6. The efficient cleaning device for the photovoltaic panel as recited in claim 1, wherein: the photovoltaic panel is characterized in that a water collecting tank is arranged on the water tank and opposite to one side of the photovoltaic panel body, an activated carbon filter plate is arranged in the water collecting tank, and the bottom of the water collecting tank is connected with the water tank through a pipeline.
7. The efficient cleaning device for the photovoltaic panel as recited in claim 1, wherein: the water tank top is equipped with the water pump, it is equipped with the connecting pipe to connect between water pump and the connection chamber.
8. The efficient cleaning device for the photovoltaic panel as recited in claim 1, wherein: a placing groove is formed in one side of the bottom plate and used for placing the cleaning assembly, and universal wheels are symmetrically connected to the bottom of the bottom plate.
CN202210682701.2A 2022-06-16 2022-06-16 High-efficient belt cleaning device of photovoltaic board Withdrawn CN115041434A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210682701.2A CN115041434A (en) 2022-06-16 2022-06-16 High-efficient belt cleaning device of photovoltaic board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210682701.2A CN115041434A (en) 2022-06-16 2022-06-16 High-efficient belt cleaning device of photovoltaic board

Publications (1)

Publication Number Publication Date
CN115041434A true CN115041434A (en) 2022-09-13

Family

ID=83161017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210682701.2A Withdrawn CN115041434A (en) 2022-06-16 2022-06-16 High-efficient belt cleaning device of photovoltaic board

Country Status (1)

Country Link
CN (1) CN115041434A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115416738A (en) * 2022-09-28 2022-12-02 沛县腾晖新能源技术有限公司 Solar photovoltaic base plate shock attenuation conveyer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115416738A (en) * 2022-09-28 2022-12-02 沛县腾晖新能源技术有限公司 Solar photovoltaic base plate shock attenuation conveyer
CN115416738B (en) * 2022-09-28 2023-12-15 沛县腾晖新能源技术有限公司 Solar photovoltaic base plate shock attenuation conveyer

Similar Documents

Publication Publication Date Title
CN113275274B (en) Photovoltaic electric plate dust collector that bloies
CN115041434A (en) High-efficient belt cleaning device of photovoltaic board
CN212856802U (en) Photovoltaic module washs car
CN210297628U (en) Self-cleaning dust-removing decontamination solar photovoltaic module
CN112087198A (en) But water economy resource's solar panel self-cleaning device
CN210788359U (en) Photovoltaic board belt cleaning device
CN212792309U (en) A wash structure for solar photovoltaic board
CN212143674U (en) Cleaning device for solar cell panel
CN115118214B (en) New energy photovoltaic power generation device capable of automatically removing dust and snow
CN110548706A (en) cleaning device for solar cell panel
CN216574591U (en) Cleaning equipment for producing aluminum flat tube of intercooler
CN215587421U (en) Photovoltaic solar power generation device capable of being automatically cleaned
CN212597375U (en) Distributing type photovoltaic power generation board sprays cleaning device
CN115672837A (en) Interface processing system and method for preparing perovskite solar cell through solid-phase reaction
CN208849731U (en) A kind of solar panel system for washing intelligently
CN209985832U (en) Photovoltaic module belt cleaning device
CN210171764U (en) Spraying device is used in production of curtain aluminium veneer for decoration
CN111404476A (en) Cleaning equipment for solar photovoltaic panel
CN217569758U (en) Irrigation equipment with photovoltaic power plant washs
CN216811147U (en) Novel solar photovoltaic electric vehicle parking shed
CN219111189U (en) Environment-friendly dust removal box
CN220896633U (en) Water-saving type cleaning device for photovoltaic module
CN220935127U (en) Photovoltaic power generation board sprays cleaning device
CN211981796U (en) Solar photovoltaic panel convenient to clean
CN221855764U (en) Pipeline cleaning device for road drainage

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
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20220913