CN108227864A - A kind of server based on image procossing - Google Patents

A kind of server based on image procossing Download PDF

Info

Publication number
CN108227864A
CN108227864A CN201810233364.2A CN201810233364A CN108227864A CN 108227864 A CN108227864 A CN 108227864A CN 201810233364 A CN201810233364 A CN 201810233364A CN 108227864 A CN108227864 A CN 108227864A
Authority
CN
China
Prior art keywords
inner cylinder
outer barrel
spiral
image procossing
air inlet
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Withdrawn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
CN201810233364.2A
Other languages
Chinese (zh)
Inventor
董波
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.)
Henan Interest Reading Mdt Infotech Ltd
Original Assignee
Henan Interest Reading Mdt Infotech 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 Henan Interest Reading Mdt Infotech Ltd filed Critical Henan Interest Reading Mdt Infotech Ltd
Priority to CN201810233364.2A priority Critical patent/CN108227864A/en
Publication of CN108227864A publication Critical patent/CN108227864A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/181—Enclosures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/20—Indexing scheme relating to G06F1/20
    • G06F2200/201—Cooling arrangements using cooling fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

Technical field of image processing of the present invention discloses a kind of server based on image procossing, for solving the problems, such as that existing dust ceaselessly enters server internal and leads to hydraulic performance decline.The present invention includes cabinet, the side of cabinet offers air inlet, position corresponding with air inlet is equipped with radiator fan on the inside of cabinet, the air inlet is equipped with cleaning device, the cleaning device includes outer barrel and inner cylinder, and the inside of outer barrel is stretched into the lower end of the inner cylinder, and the upper end of outer barrel is extended in the upper end of the inner cylinder, the spiral flow deflector of downward spiral is provided on the inner wall of the outer barrel, the air inlet pipe tangent with outer barrel is connected on the outer barrel.

Description

A kind of server based on image procossing
Technical field
The invention belongs to technical field of image processing, and in particular to a kind of server based on image procossing.
Background technology
Image procossing (image processing), analyzes image with computer, to reach the skill of required result Art.Also known as image processing.Image procossing refers generally to Digital Image Processing.Digital picture refers to industrial camera, video camera, scanning The equipment such as instrument pass through the big two-dimensional array that shooting obtains, and the element of the array is known as pixel, and value is known as gray value.Figure As the compression of images that generally comprises for the treatment of technology, enhancing and recovery, 3 matching, description and identification parts.Common system has health Resistance to viewing system, figure intelligence system etc. are currently the technology gradually risen.
But with the high speed development of Internet of Things, image interaction also becomes more universal, and image interaction is different from commonly Data transmission, image interaction needs faster processing speed, higher requirement also proposed for server.
The calorific value of the server of high-speed cruising based on image procossing is far longer than common server, and scattered in order to reach Heat effect, carried out in the prior art by adding the form of radiator fan, although however this mode carry to a certain extent High radiating rate, but in use due to in the quick exchange process of outside air, a large amount of dust enters anti- And can influence heat dissipation effect (especially for relatively close in the environment of, the increase of radiating airflow can't bring heat Decline and constantly adsorbed along with dust, can cause instead heat dissipation be deteriorated).
Invention content
The present invention carries to solve the problems, such as that existing dust ceaselessly enters server internal and leads to hydraulic performance decline For a kind of server based on image procossing, it is capable of the air-flow of automatically cleaning filtering, ensures to enter the server based on image procossing The cleaning of internal air-flow, so as to prevent dust accumulation, on the surface of electronic component, the heat exchange for improving electronic component is imitated Fruit, the final performance for improving the server based on image procossing.
To solve technical problem, the technical solution adopted in the present invention is：
A kind of server based on image procossing, including cabinet, the side of cabinet offers air inlet, on the inside of cabinet Position corresponding with air inlet is equipped with radiator fan, which is characterized in that the air inlet is equipped with cleaning apparatus for self, it is described from The inside of outer barrel is stretched into cleaning device packet outer barrel and inner cylinder, the lower end of the inner cylinder, and outer barrel is extended in the upper end of the inner cylinder Upper end is provided with the spiral flow deflector of downward spiral on the inner wall of the outer barrel, is connected on the outer barrel tangent with outer barrel Air inlet pipe is provided with multiple spiral cooling fins, spiral flow deflector and the hand of spiral of spiral cooling fin on the outer wall of the inner cylinder Identical, the upper end of the inner cylinder is rotatably connected on cabinet, the upper end of inner cylinder be rotatably connected to air inlet it is mutual corresponding go out Air hose；The bottom of the outer barrel is connected with connecting rod, and the upper end of connecting rod is equipped with multiple telescopic rods stretched into inner cylinder, stretches Air Filter is arranged on bar.
The annular groove for clamping telescopic rod end, the bottom installation of annular groove are offered on the inner wall of the inner cylinder There are at least two pieces of cushion blocks, the spacing between cushion block is more than the distance between adjacent telescopic rod, and the thickness of cushion block is along same rotation Turn direction to become larger.
It is also associated with cleaning the Air Filter being connected on telescopic rod on the inner cylinder of telescopic rod lower end Hairbrush.
The upper end of the inner cylinder is equipped with terminal pad, and bearing, terminal pad are connected separately on the outer wall and inner wall of terminal pad Upper end be provided with transmission gear, discharge pipe is connected on the bearing of terminal pad inner wall, the setting of the terminal pad of transmission gear upper end There are an intake antrum and water chamber annular in shape, the periphery of intake antrum and water chamber is arranged with can be rotated in terminal pad first and slides Water inlet pipe and outlet pipe are connected separately on rotating ring and the second slip ring, the first slip ring and the second slip ring.
The inner cylinder be equipped with multiple intake tunnels connected with intake antrum, be provided in each spiral cooling fin and The water inlet of intake tunnel connection, the lower end of inner cylinder are provided with exhalant canal, each spiral cooling fin is provided with logical with water outlet The water outlet of road connection, connects, exhalant canal is connected with water chamber between water inlet and water outlet through coolant flow channel.
The internal diameter of the coolant flow channel is gradually reduced from top to bottom.
There is gap between the spiral flow deflector and outer barrel.
Compared with prior art, the invention has the advantages that：
When the air-flow of outside in use of the invention enters outer barrel, air-flow is along spiral flow deflector and spiral The hand of spiral of cooling fin is rotated, and dust carries out along the inner wall of outer barrel and slides realization dust under the influence of centrifugal force Separation, the air-flow after separation rises from inner cylinder to be exited into the inside of cabinet and is cooled down.Spiral cooling fin of the present invention It can inherently be rotated, pass through spiral flow deflector and the collective effect of spiral cooling fin.The spiral cooling of the present invention simultaneously Piece also is able to cool down air-flow, ensures the cooling effect into cabinet interior air-flow.So that the present invention can not only prevent powder Dirt is entered in cabinet, while also is able to improve heat dissipation effect, the final performance for improving the server based on image procossing；Simultaneously The spiral cooling fin of the present invention also is able to play certain pressurization operation, convenient for improving the flow velocity of air-flow, and then further improves The effect of heat dissipation；The present invention is by spiral flow deflector and the collective effect of spiral cooling fin, even if the power of radiator fan compares It is small, it can also reach good centrifugal separating effect, ensure that there is good dust separation effect.
The structure of inner cylinder setting telescopic rod of the present invention, telescopic rod are connected with Air Filter, can further realize to gas simultaneously The separation of dust in stream, ensures the cleaning of cooling air-flow.
The annular groove for clamping telescopic rod end, the bottom of annular groove are offered on the inner wall of the inner cylinder of the present invention At least two pieces of cushion blocks are installed, the spacing between cushion block is more than the distance between adjacent telescopic rod, and the thickness of cushion block is along same One direction of rotation becomes larger；Cushion block ceaselessly compresses telescopic rod during rotation and with the variation of pad thickness, So that telescopic rod is in the state of tensioning and compression, so that the rate of tension of Air Filter ceaselessly changes, will be adhered to automatically Dust on Air Filter is cleaned up, and prevents Air Filter from occurring situation about blocking during filtering, ensures cooling air-flow Air pressure.
The present invention ceaselessly cleans Air Filter by hairbrush, further to improve the self-cleaning ability of Air Filter, On the one hand extend the service life of Air Filter, the situation on the other hand preventing dust from blocking Air Filter and air pressure being caused to reduce is protected Demonstrate,prove the flow of cooling air-flow.
The structure design of terminal pad of the present invention can be drawn external cooling water by the first slip ring and the second slip ring Enter into inner cylinder, and flow can be introduced normally during inner cylinder rotation is ensured.It is by conventional seals circle simultaneously It can ensure the sealing between the first slip ring and the second slip ring and intake antrum and water chamber so that the present invention has easy to process The characteristics of.
Cooling flow can be introduced into spiral cooling fin by the present invention by intake tunnel and exhalant canal, convenient for spiral shell It revolves cooling fin and carries out circulating cooling, ensure the cooling effect to air-flow.The spiral cooling fin of the present invention is individually intake simultaneously And water outlet, so as to ensure that the uniformity of cooling, the problem of temperature gradient is larger is prevented, ensures that the temperature of cooling air-flow is equal Even property.
The internal diameter of coolant flow channel of the present invention is gradually reduced from top to bottom so that spiral cooling fin is uniform to the cooling of air-flow.
There is gap, in use, from gap location after dust separation between the spiral flow deflector and outer barrel of the present invention It falls, is convenient for detaching.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structure diagram of the cleaning device of the present invention；
Fig. 3 is the inner cylinder of the present invention and the partial schematic diagram of spiral cooling fin；
It is marked in figure：1st, cabinet, 2, air inlet, 3, radiator fan, 4, cleaning apparatus for self, 41, outer barrel, 42, inner cylinder, 43, Spiral flow deflector, 44, air inlet pipe, 45, spiral cooling fin, 46, discharge pipe, 47, terminal pad, 48, bearing, 49, transmission gear, 410th, intake antrum, 411, water chamber, the 412, first slip ring, the 413, second slip ring, 414, connecting rod, 415, water inlet, 416th, water outlet, 417, coolant flow channel, 418, exhalant canal, 419, intake tunnel, 420, telescopic rod, 421, annular groove, 422nd, cushion block.
Specific embodiment
With reference to embodiment, the invention will be further described, and described embodiment is only a present invention part Embodiment is not whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making Other embodiments used obtained under the premise of creative work, belong to protection scope of the present invention.
With reference to attached drawing, the server of the invention based on image procossing, including cabinet 1, the side of cabinet 1 offers air inlet Mouthfuls 2, radiator fan 3 is installed with 2 corresponding position of air inlet on the inside of cabinet 1, the air inlet 2 is equipped with automatically cleaning dress 4 are put, the cleaning apparatus for self 4 includes outer barrel 41 and inner cylinder 42, and the inside of outer barrel 41 is stretched into the lower end of the inner cylinder 42, described interior The upper end of outer barrel 41 is extended in the upper end of cylinder 42, and the spiral flow deflector 43 of downward spiral is provided on the inner wall of the outer barrel 41, The air inlet pipe 44 tangent with outer barrel 41 is connected on the outer barrel 41, multiple spiral coolings are provided on the outer wall of the inner cylinder 42 Piece 45, spiral flow deflector 43 is identical with the hand of spiral of spiral cooling fin 45, and the upper end of the inner cylinder 42 is rotatably connected on cabinet 1 On, the upper end of inner cylinder 42 is rotatably connected to and 2 mutual corresponding discharge pipe 46 of air inlet.42 lower end of inner cylinder wherein of the invention Collection bucket is connected on outer barrel 41, for collecting the dust of separation；Inner cylinder 42 is driven by driving motor and rotated, the skill of this field Art personnel can be appreciated and understood that details are not described herein；The bottom of the outer barrel 41 is connected with connecting rod 414, connecting rod 414 Upper end is equipped with multiple telescopic rods 420 stretched into inner cylinder 42, and Air Filter (not drawn in attached drawing) is arranged on telescopic rod 420, Wherein as long as telescopic rod can realize flexible that Air Filter, which is connected on telescopic rod, forms filter layer, for in air-flow Fine dusts are filtered.
When the air-flow of outside in use of the invention enters outer barrel, air-flow is along spiral flow deflector and spiral The hand of spiral of cooling fin is rotated, and dust carries out along the inner wall of outer barrel and slides realization dust under the influence of centrifugal force Separation, the air-flow after separation rises from inner cylinder to be exited into the inside of cabinet and is cooled down.Spiral cooling fin of the present invention It can inherently be rotated, pass through spiral flow deflector and the collective effect of spiral cooling fin.The spiral cooling of the present invention simultaneously Piece also is able to cool down air-flow, ensures the cooling effect into cabinet interior air-flow.So that the present invention can not only prevent powder Dirt is entered in cabinet, while also is able to improve heat dissipation effect, the final performance for improving the server based on image procossing；Simultaneously The spiral cooling fin of the present invention also is able to play certain pressurization operation, convenient for improving the flow velocity of air-flow, and then further improves The effect of heat dissipation.The present invention is by spiral flow deflector and the collective effect of spiral cooling fin, even if the power of radiator fan compares It is small, it can also reach good centrifugal separating effect, ensure that there is good dust separation effect.
The structure of inner cylinder setting telescopic rod of the present invention, telescopic rod are connected with Air Filter, can further realize to gas simultaneously The separation of dust in stream, ensures the cleaning of cooling air-flow.
The annular groove 421 for clamping 420 end of telescopic rod is offered on the inner wall of the inner cylinder 42 of the present invention, annular is recessed The bottom of slot 421 is equipped at least two pieces of cushion blocks 422, the spacing between cushion block 422 be more than between adjacent telescopic rod 420 away from From the thickness of cushion block 422 becomes larger along same direction of rotation；Cushion block 422 is during rotation and with cushion block thickness The variation of degree, ceaselessly compresses telescopic rod so that telescopic rod is in the state of tensioning and compression, so that the tensioning of Air Filter Degree ceaselessly changes, and automatically cleans up the dust being adhered on Air Filter, prevents Air Filter from going out during filtering Situation about now blocking ensures the air pressure of cooling air-flow.
The present invention ceaselessly cleans Air Filter by hairbrush, further to improve the self-cleaning ability of Air Filter, On the one hand extend the service life of Air Filter, the situation on the other hand preventing dust from blocking Air Filter and air pressure being caused to reduce is protected Demonstrate,prove the flow of cooling air-flow.
The upper end of the inner cylinder 42 is equipped with terminal pad 47, and bearing is connected separately on the outer wall and inner wall of terminal pad 47 48, the upper end of terminal pad 47 is provided with transmission gear 49, i other words driving motor is rotated, and then band by band nutating gear 49 Dynamic terminal pad 47 and inner cylinder rotate together, and discharge pipe 46 is connected on the bearing 48 of 47 inner wall of terminal pad, 49 upper end of transmission gear Terminal pad 47 be provided with intake antrum 49 annular in shape and water chamber 410, the periphery of intake antrum 49 and water chamber 410 is arranged with energy Enough the first slip rings 412 and the second slip ring 413 rotated in terminal pad 47, the first slip ring 412 and the second slip ring 413 On be connected separately with water inlet pipe and outlet pipe, i other words by water inlet pipe by cool down flow be introduced into intake antrum, then lead to again Cross water chamber 410 and outlet pipe discharge.
The structure design of terminal pad of the present invention can be drawn external cooling water by the first slip ring and the second slip ring Enter into inner cylinder, and flow can be introduced normally during inner cylinder rotation is ensured.It is by conventional seals circle simultaneously It can ensure the sealing between the first slip ring and the second slip ring and intake antrum and water chamber so that the present invention has easy to process The characteristics of.
The inner cylinder 42 is equipped with and multiple intake tunnels 419 connected with intake antrum 410, each spiral cooling fin 45 On be provided with the water inlet 415 connected with intake tunnel 419, the lower end of inner cylinder 42 is provided with exhalant canal 418, each spiral Cooling fin 45 is provided with the water outlet 416 connected with exhalant canal 418, through coolant flow channel between water inlet 415 and water outlet 416 417 connections, exhalant canal 418 are connected with water chamber 411.
Cooling flow can be introduced into spiral cooling fin by the present invention by intake tunnel and exhalant canal, convenient for spiral shell It revolves cooling fin and carries out circulating cooling, ensure the cooling effect to air-flow.The spiral cooling fin of the present invention is individually intake simultaneously And water outlet, so as to ensure that the uniformity of cooling, the problem of temperature gradient is larger is prevented, ensures that the temperature of cooling air-flow is equal Even property.
As a kind of preferred mode of the present invention, the internal diameter of the coolant flow channel 417 is gradually reduced from top to bottom so that spiral shell It is uniform to the cooling of air-flow to revolve cooling fin 45.
The present invention spiral flow deflector 43 and outer barrel 41 between have gap, in use, after dust separation from It is fallen at gap, is convenient for detaching.

Claims (7)

1. a kind of server based on image procossing, including cabinet, the side of cabinet offers air inlet, on the inside of cabinet with The corresponding position of air inlet is equipped with radiator fan, which is characterized in that the air inlet is equipped with cleaning device, the sanitizer cartridge It puts including outer barrel and inner cylinder, the inside of outer barrel is stretched into the lower end of the inner cylinder, and the upper end of outer barrel is extended in the upper end of the inner cylinder, The spiral flow deflector of downward spiral is provided on the inner wall of the outer barrel, the air inlet tangent with outer barrel is connected on the outer barrel It manages, multiple spiral cooling fins is provided on the outer wall of the inner cylinder, spiral flow deflector is identical with the hand of spiral of spiral cooling fin, The upper end of the inner cylinder is rotatably connected on cabinet, and the upper end of inner cylinder is rotatably connected to and the mutual corresponding discharge pipe of air inlet； The bottom of the outer barrel is connected with connecting rod, and the upper end of connecting rod is equipped with multiple telescopic rods stretched into inner cylinder, on telescopic rod It is arranged Air Filter.
2. the server according to claim 1 based on image procossing, which is characterized in that opened up on the inner wall of the inner cylinder Be useful for the annular groove of clamping telescopic rod end, the bottom of annular groove is equipped at least two pieces of cushion blocks, between cushion block between It is become larger away from the thickness more than the distance between adjacent telescopic rod, cushion block along same direction of rotation.
3. the server according to claim 1 based on image procossing, which is characterized in that the inner cylinder positioned at telescopic rod lower end On be also associated with hairbrush for being cleaned to the Air Filter being connected on telescopic rod.
4. the server according to claim 1 based on image procossing, which is characterized in that the upper end of the inner cylinder is equipped with Terminal pad is connected separately with bearing on the outer wall and inner wall of terminal pad, and the upper end of terminal pad is provided with transmission gear, and discharge pipe connects It is connected on the bearing of terminal pad inner wall, the terminal pad of transmission gear upper end is provided with intake antrum and water chamber annular in shape, water inlet The periphery of chamber and water chamber is arranged with the first slip ring and the second slip ring that can be rotated in terminal pad, the first slip ring and Water inlet pipe and outlet pipe are connected separately on second slip ring.
5. the server according to claim 4 based on image procossing, which is characterized in that the inner cylinder be equipped with it is multiple The intake tunnel connected with intake antrum is provided with the water inlet connected with intake tunnel in each spiral cooling fin, inner cylinder Lower end is provided with exhalant canal, each spiral cooling fin is provided with the water outlet connected with exhalant canal, water inlet and water outlet It is connected between mouthful through coolant flow channel, exhalant canal is connected with water chamber.
6. the server according to claim 5 based on image procossing, which is characterized in that the internal diameter of the coolant flow channel from It is gradually reduced under.
7. the server according to claim 1 based on image procossing, which is characterized in that the spiral flow deflector and outer barrel Between have gap.
CN201810233364.2A 2018-03-21 2018-03-21 A kind of server based on image procossing Withdrawn CN108227864A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810233364.2A CN108227864A (en) 2018-03-21 2018-03-21 A kind of server based on image procossing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810233364.2A CN108227864A (en) 2018-03-21 2018-03-21 A kind of server based on image procossing

Publications (1)

Publication Number Publication Date
CN108227864A true CN108227864A (en) 2018-06-29

Family

ID=62658872

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810233364.2A Withdrawn CN108227864A (en) 2018-03-21 2018-03-21 A kind of server based on image procossing

Country Status (1)

Country Link
CN (1) CN108227864A (en)

Similar Documents

Publication Publication Date Title
CN108448817A (en) A kind of Multifunctional new energy electric motor of automobile that dust-proof radiating works well
JPS5947125B2 (en) Heat exchanger for internal combustion engines
CN108430195B (en) Self-cleaning server
CN109795706A (en) A kind of flight instruments for photography of taking photo by plane with dust reduction capability
CN107378634A (en) A kind of lathe cools down chip removing device
CN207882831U (en) A kind of server based on image procossing
CN108227864A (en) A kind of server based on image procossing
WO2019144502A1 (en) Anti-blocking air injection dust self-removal heat exchange device
CN213545164U (en) Inside self-dust removal device of communication host computer
CN209654278U (en) Axial flow blower is used in a kind of cutting of building materials
CN115060019B (en) Cooling device for data line production and cooling method thereof
CN207939938U (en) A kind of server based on runner heat exchange
CN207939937U (en) A kind of data interaction processor
CN205055696U (en) Radiator air dust collector and harvester
CN108319343A (en) A kind of big data processing system
CN107363634A (en) A kind of lathe chip removing device
CN1185446C (en) Air conditioner and its indoor unit
CN207909052U (en) A kind of big data processing system
CN206627891U (en) A kind of air is from flow type mainframe computer dustproof heat dissipation cabinet
CN209883021U (en) Feed cooler
CN213543311U (en) Cooling device is used in rice processing
CN109246336A (en) A kind of monitoring shield helping heat dissipation
CN118076076B (en) Machine room ventilation dust removal equipment
CN218365886U (en) Plastic particle cooling equipment with separation and dust removal functions
CN218473274U (en) Infrared high definition camera with high-efficient heat dispersion

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

Application publication date: 20180629

WW01 Invention patent application withdrawn after publication