CN110939908A - LED street lamp convenient to clean lamp shade - Google Patents

LED street lamp convenient to clean lamp shade Download PDF

Info

Publication number
CN110939908A
CN110939908A CN201811112189.8A CN201811112189A CN110939908A CN 110939908 A CN110939908 A CN 110939908A CN 201811112189 A CN201811112189 A CN 201811112189A CN 110939908 A CN110939908 A CN 110939908A
Authority
CN
China
Prior art keywords
lamp
water tank
baffle
electromagnetism
lampshade
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.)
Pending
Application number
CN201811112189.8A
Other languages
Chinese (zh)
Inventor
王福彬
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.)
Jiangsu Xinsiwei Photoelectric Co Ltd
Original Assignee
Jiangsu Xinsiwei Photoelectric 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 Jiangsu Xinsiwei Photoelectric Co Ltd filed Critical Jiangsu Xinsiwei Photoelectric Co Ltd
Priority to CN201811112189.8A priority Critical patent/CN110939908A/en
Publication of CN110939908A publication Critical patent/CN110939908A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • F21S9/035Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being integrated within the support for the lighting unit, e.g. within or on a pole
    • 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
    • B08B1/12Brushes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14Adjustable mountings
    • F21V21/22Adjustable mountings telescopic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14Adjustable mountings
    • F21V21/30Pivoted housings or frames
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses an LED street lamp convenient for scrubbing a lampshade, which comprises a solar panel, a rubber ring, a rotating sleeve, a connecting plate, an operating button, a base, a connecting support, an LED lamp, a water tank, a baffle, an electromagnetic sliding groove and an electromagnetic sliding block, wherein the solar panel is connected with the upper end of a lamp pole through a mounting support, the rubber ring wraps the upper end of the lamp pole, the right end of the connecting support is connected with the lampshade through a connecting block, the left end of the connecting support is fixedly connected to the connecting plate, the LED lamp is arranged on the lower side of the lamp shade, a filter screen is arranged inside the water tank, the baffle is embedded in the bottom end of the water tank, water-permeable cloth is arranged on the lower side of the baffle, the electromagnetic sliding groove is arranged on two sides of the water tank. The device is convenient to scrub and clean and has a heat dissipation function, so that the service life of the device is greatly prolonged.

Description

LED street lamp convenient to clean lamp shade
Technical Field
The invention relates to the field of street lamp equipment, in particular to an LED street lamp with a lampshade convenient to scrub.
Background
The LED street lamp is a street lamp manufactured by using an LED light source, has the unique advantages of high efficiency, safety, energy conservation, environmental protection, long service life, high response speed, high color rendering index and the like, and has very important significance for urban illumination and energy conservation.
The LED street lamp on the market provides the illumination work at present, but uses outdoors for a long time, and is dirty extremely easily, and because LED street lamp's height is higher, clean very trouble, simultaneously, present LED street lamp is in the use, and the heat that gives off is higher, if not handling, seriously influences LED street lamp's life, consequently, proposes the LED street lamp that is convenient for altitude mixture control and lamp shade clean, has the heat dissipation function.
Disclosure of Invention
The invention aims to provide an LED street lamp with a lampshade convenient to scrub, and aims to solve the problems that the height of the existing LED street lamp in the background art cannot be adjusted, the LED street lamp is inconvenient to scrub, and the LED street lamp has a heat dissipation function.
In order to achieve the purpose, the invention provides the following technical scheme: a light-emitting diode (LED) street lamp convenient for cleaning a lampshade comprises a solar panel, a rubber ring, a rotating sleeve, a connecting plate, an operating button, a base, a connecting support, an LED lamp, a water tank, a baffle, an electromagnetic chute and an electromagnetic slider, wherein the solar panel is connected with the upper end of a lamp pole through a mounting support, the rubber ring is wrapped at the upper end of the lamp pole, the rotating sleeve is mounted on the lamp pole, the left side of the connecting plate is fixedly connected with the rotating sleeve, a telescopic rod is fixedly connected with the lower side of the connecting plate, the operating button is embedded at the lower end of the lamp pole, a storage battery is arranged inside the base, the right end of the connecting support is connected with the lampshade through a connecting block, the left end of the connecting support is fixedly connected on the connecting plate, the LED lamp is arranged at the lower side of the lampshade, a filter screen is arranged inside the, the electromagnetism spout sets up the both sides at the water tank, cleaning brush is installed to the downside of electromagnetism slider.
Preferably, the inner side size of the rubber ring is the same as the outer side size of the upper end of the lamp pole, and the rubber ring is wrapped on the outer side of the upper end of the lamp pole.
Preferably, the inside of rotating the cover is provided with the internal thread, is provided with the external screw thread on the lamp pole, rotates the cover and is rotation type connection structure with the lamp pole.
Preferably, the input end of the storage battery is electrically connected with the output end of the solar panel, and the output end of the storage battery is electrically connected with the input ends of the operation button, the LED lamp, the electromagnetic sliding groove and the electromagnetic sliding block.
Preferably, the baffle is embedded in the inside lower extreme of water tank, and the both sides of baffle are connected with the cleaning brush, and the baffle passes through the electromagnetism spout and is slidingtype connection structure with the inside of water tank.
Preferably, the cleaning brush is provided with two sets of altogether, and the upper end of cleaning brush all is provided with the electromagnetism slider, and the outside size of electromagnetism slider is the same with the inside size of electromagnetism spout, and the electromagnetism spout sets up in the both sides of water tank, and the cleaning brush is sliding connection structure through electromagnetism slider and water tank.
Compared with the prior art, the invention has the beneficial effects that: the LED street lamp convenient for scrubbing the lampshade is designed by combining the structure of the traditional LED street lamp, the height of the LED street lamp is convenient to adjust and scrub, and the LED street lamp has the corresponding structural design according to the requirement of a heat dissipation function;
(1) according to the invention, the rotating sleeve with the internal thread and the telescopic rod are arranged, and the rotating sleeve rotates around the lamp post through the telescopic rod, so that the rotating sleeve ascends or descends along the lamp post, and the height of the illuminating part can be adjusted, on one hand, illumination in different ranges can be realized, and on the other hand, the lampshade can be conveniently cleaned after descending;
(2) according to the invention, the water tank and the water seepage cloth are arranged, rainwater can be collected by the water tank and slowly seeps into the outer surface of the lampshade through the water seepage cloth, so that the lampshade is cooled by water, and the service life of the device is prolonged;
(3) according to the invention, the cleaning brush is arranged, the lampshade can be cleaned by the cleaning brush through the electromagnetic sliding groove and the electromagnetic sliding block, and meanwhile, a cleaning agent can be placed in the water tank and matched with the cleaning brush, so that the lampshade can be cleaned more cleanly.
Drawings
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a schematic side sectional view of the structure 8 in fig. 1.
In the figure: 1. a solar panel; 2. mounting a bracket; 3. a lamp post; 4. a rubber ring; 5. rotating the sleeve; 6. a connecting plate; 7. a telescopic rod; 8. an operation button; 9. a base; 10. a storage battery; 11. connecting a bracket; 12. connecting blocks; 13. a lamp shade; 14. an LED lamp; 15. a water tank; 16. a filter screen; 17. a baffle plate; 18. water-permeable cloth; 19. an electromagnetic chute; 20. an electromagnetic slider; 21. a cleaning brush.
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. 1-3, an embodiment of the present invention is shown:
a LED street lamp convenient for cleaning a lampshade comprises a solar panel 1, a rubber ring 4, a rotating sleeve 5, a connecting plate 6, an operating button 8, a base 9, a connecting support 11, an LED lamp 14, a water tank 15, a baffle 17, an electromagnetic chute 19 and an electromagnetic slider 20, wherein the solar panel 1 is connected with the upper end of a lamp post 3 through a mounting support 2, the rubber ring 4 is wrapped at the upper end of the lamp post 3, the inner side size of the rubber ring 4 is the same as the outer side size of the upper end of the lamp post 3, the rubber ring 4 is wrapped at the outer side of the upper end of the lamp post 3, the rotating sleeve 5 can be effectively prevented from being positioned inaccurately by utilizing the elastic expansion of the rubber ring 4, the rotating sleeve 5 is arranged on the lamp post 3, an internal thread is arranged inside the rotating sleeve 5, an external thread is arranged on the lamp post 3, the rotating sleeve 5 and the lamp post, the downside rigid coupling of connecting plate 6 has telescopic link 7, as preferred, is provided with in-band screw thread and rotates cover 5 and telescopic link 7, will rotate cover 5 through telescopic link 7 and rotate around lamp pole 3 for rotate cover 5 and rise or descend along lamp pole 3, thereby realize that lighting part can carry out altitude mixture control, on the one hand, can realize the illumination of different scopes, and on the other hand also conveniently cleans after descending lamp shade 13.
The operating button 8 is embedded at the lower end of the lamp post 3, the storage battery 10 is arranged inside the base 9, the input end of the storage battery 10 is electrically connected with the output end of the solar panel 1, the output end of the storage battery 10 is electrically connected with the operating button 8, the LED lamp 14, the electromagnetic chute 19 and the electromagnetic slider 20 are electrically supported by solar energy, energy is effectively saved, the right end of the connecting bracket 11 is connected with the lampshade 13 through the connecting block 12, the left end of the connecting bracket 11 is fixedly connected on the connecting plate 6, the LED lamp 14 is arranged at the lower side of the lampshade 13, the filter screen 16 is arranged inside the water tank 15, the baffle 17 is embedded at the bottom end inside the water tank 15, the water seepage cloth 18 is arranged at the lower side of the baffle 17, the baffle 17 is embedded at the lower end inside the water tank 15, the water tank, and the rainwater slowly permeates the outer surface of the lampshade 13 through the water-permeable cloth 18, so that the lampshade 13 is cooled by water, and the service life of the device is prolonged.
Both sides of baffle 17 are connected with cleaning brush 21, baffle 17 is through electromagnetism spout 19 and the inside of water tank 15 for slidingtype connection structure, electromagnetism spout 19 sets up the both sides at water tank 15, cleaning brush 21 is installed to the downside of electromagnetism slider 20, cleaning brush 21 is provided with two sets ofly altogether, and cleaning brush 21's upper end all is provided with electromagnetism slider 20, the outside size of electromagnetism slider 20 is the same with the inside size of electromagnetism spout 19, and electromagnetism spout 19 sets up the both sides at water tank 15, cleaning brush 21 is through electromagnetism slider 20 and water tank 15 for slidingtype connection structure, be provided with cleaning brush 21, through electromagnetism spout 19 and electromagnetism slider 20, make cleaning brush 21 can clean lamp shade 13, and simultaneously, can also put into water tank 15 with the cleaner, cooperation cleaning brush 21, make lamp shade 13 clean cleaner.
The working principle is as follows: the solar panel 1 collects solar energy, converts light energy into electric energy through the photovoltaic converter, and then transmits the electric energy to the storage battery 10 for storage so as to provide electric support for the device conveniently;
when the height is adjusted, an operator holds the telescopic rod 7 by hand and rotates around the lamp post 3, so that the rotating sleeve 5 is driven to rotate along the lamp post 3, the telescopic rod 7 is contracted, the rotating sleeve 5 descends, when the rotating sleeve 5 descends to a certain height, the rubber ring 4 is pulled downwards, the rubber ring 4 is tightly attached to the upper side of the rotating sleeve 5, meanwhile, the bottom end of the telescopic rod 7 is tightly attached to the ground, the rotating sleeve 5 is fixed, on one hand, the height of the illuminating component is adjusted, so that illumination in different ranges is realized, and on the other hand, the descending illuminating component is convenient to maintain, replace or clean;
when cleaning, through operating button 8, start electromagnetism slider 20, it slides in electromagnetism spout 19 to drive cleaning brush 21, thereby realize cleaning the surface of lamp shade 13, in addition, water tank 15 collects the rainwater, and simultaneously, the inside baffle 17 of water tank 15 is connected with cleaning brush 21, in cleaning brush 21 is gliding, it removes to drive baffle 17, thereby make the inside rainwater of water tank 15 leak down, and through oozing water cloth 18 and flow to the surface of lamp shade 13 slowly, realize dispelling the heat to lamp shade 13, and in addition, put into water tank 15 with the sanitizer, cooperation cleaning brush 21, can carry out more thorough cleanness to lamp shade 13.
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.

Claims (6)

1. The utility model provides a LED street lamp convenient to clean lamp shade, includes solar panel (1), rubber circle (4), rotates cover (5), connecting plate (6), operating button (8), base (9), linking bridge (11), LED lamp (14), water tank (15), baffle (17), electromagnetism spout (19) and electromagnetism slider (20), its characterized in that: solar panel (1) is connected with the upper end of lamp pole (3) through installing support (2), rubber circle (4) parcel is in the upper end of lamp pole (3), it installs on lamp pole (3) to rotate cover (5), the left side and the cover (5) looks rigid coupling of rotating of connecting plate (6), the downside rigid coupling of connecting plate (6) has telescopic link (7), operating button (8) are embedded at the lower extreme of lamp pole (3), the inside of base (9) is provided with battery (10), the right-hand member of connecting support (11) is connected with lamp shade (13) through connecting block (12), the left end rigid coupling of connecting support (11) is on connecting plate (6), LED lamp (14) set up the downside at lamp shade (13), the inside of water tank (15) is provided with filter screen (16), baffle (17) are embedded in the inside bottom of water tank (15), the downside of baffle (17) is provided with infiltration cloth (18), electromagnetism spout (19) set up the both sides in water tank (15), cleaning brush (21) are installed to the downside of electromagnetism slider (20).
2. The LED street lamp convenient for scrubbing a lampshade as claimed in claim 1, wherein: the inner side size of the rubber ring (4) is the same as the outer side size of the upper end of the lamp pole (3), and the rubber ring (4) is wrapped on the outer side of the upper end of the lamp pole (3).
3. The LED street lamp convenient for scrubbing a lampshade as claimed in claim 1, wherein: the lamp post is characterized in that an internal thread is arranged inside the rotating sleeve (5), an external thread is arranged on the lamp post (3), and the rotating sleeve (5) and the lamp post (3) are of a rotary connecting structure.
4. The LED street lamp convenient for scrubbing a lampshade as claimed in claim 1, wherein: the input end of the storage battery (10) is electrically connected with the output end of the solar panel (1), and the output end of the storage battery (10) is electrically connected with the input ends of the operation buttons (8), the LED lamps (14), the electromagnetic sliding grooves (19) and the electromagnetic sliding blocks (20).
5. The LED street lamp convenient for scrubbing a lampshade as claimed in claim 1, wherein: baffle (17) are embedded at the inside lower extreme of water tank (15), and the both sides of baffle (17) are connected with cleaning brush (21), and baffle (17) are sliding type connection structure through electromagnetism spout (19) and the inside of water tank (15).
6. The LED street lamp convenient for scrubbing a lampshade as claimed in claim 1, wherein: the cleaning brush (21) is provided with two sets of, and the upper end of cleaning brush (21) all is provided with electromagnetism slider (20), and the outside size of electromagnetism slider (20) is the same with the inside size of electromagnetism spout (19), and electromagnetism spout (19) set up the both sides in water tank (15), and cleaning brush (21) are sliding type connection structure through electromagnetism slider (20) and water tank (15).
CN201811112189.8A 2018-09-25 2018-09-25 LED street lamp convenient to clean lamp shade Pending CN110939908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811112189.8A CN110939908A (en) 2018-09-25 2018-09-25 LED street lamp convenient to clean lamp shade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811112189.8A CN110939908A (en) 2018-09-25 2018-09-25 LED street lamp convenient to clean lamp shade

Publications (1)

Publication Number Publication Date
CN110939908A true CN110939908A (en) 2020-03-31

Family

ID=69905490

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811112189.8A Pending CN110939908A (en) 2018-09-25 2018-09-25 LED street lamp convenient to clean lamp shade

Country Status (1)

Country Link
CN (1) CN110939908A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111545489A (en) * 2020-04-22 2020-08-18 湖南城市学院 Synchronous cleaning device for solar street lamps
CN111905121A (en) * 2020-08-10 2020-11-10 李海波 Ultraviolet sterilization lamp
CN113175632A (en) * 2021-04-26 2021-07-27 欧阳健 Municipal construction is with street lamp that has dust removal function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111545489A (en) * 2020-04-22 2020-08-18 湖南城市学院 Synchronous cleaning device for solar street lamps
CN111905121A (en) * 2020-08-10 2020-11-10 李海波 Ultraviolet sterilization lamp
CN113175632A (en) * 2021-04-26 2021-07-27 欧阳健 Municipal construction is with street lamp that has dust removal function

Similar Documents

Publication Publication Date Title
CN107654946A (en) A kind of LED solar street lights for being easy to snow removing to keep a public place clean
CN110939908A (en) LED street lamp convenient to clean lamp shade
CN208154335U (en) A kind of energy-saving adjustable solar street lamp
CN107983695B (en) Easily-cleaned LED street lamp
CN207752642U (en) A kind of road traffic signal lamp of automated cleaning
CN108006542B (en) LED street lamp convenient to clean
CN208475192U (en) A kind of solar energy LED street lamp with dedusting structure
CN211260610U (en) Solar street lamp with self-cleaning function
CN209856844U (en) Ceramic lamp convenient to it is clean
CN208504020U (en) It is a kind of for building convenient for clean LED pendent lamp
CN211399599U (en) Photovoltaic power generation LED street lamp subassembly
CN209859553U (en) Outdoor lamps and lanterns for bill-board
CN201964321U (en) Streetlamp cover with automatic cleaner
CN216281117U (en) Garden floor lamp
CN207196345U (en) A kind of solar LED street lamp with electric shoe cleaning function
CN209013041U (en) A kind of municipal gardens energy-saving lamp being conveniently replaceable
CN211289891U (en) Street lamp with cleaning function
CN210740233U (en) Sports lighting lamp with expelling parasite function
CN208735506U (en) A kind of LED intelligent integral solar street light
CN203010490U (en) Dedusting lamp shade
CN208670868U (en) A kind of LED street lamp convenient for cleaning lampshade
CN208703768U (en) A kind of LED street lamp being convenient to clean
CN219713318U (en) LED street lamp for municipal road
CN216716019U (en) Street lamp of accurate accuse light
CN213630239U (en) Novel solar street lamp

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200331

WD01 Invention patent application deemed withdrawn after publication