CN113132244B - Intelligent router with self-cleaning function for network technology - Google Patents

Intelligent router with self-cleaning function for network technology Download PDF

Info

Publication number
CN113132244B
CN113132244B CN202110379524.6A CN202110379524A CN113132244B CN 113132244 B CN113132244 B CN 113132244B CN 202110379524 A CN202110379524 A CN 202110379524A CN 113132244 B CN113132244 B CN 113132244B
Authority
CN
China
Prior art keywords
fixedly connected
drives
block
wheel
control switch
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.)
Active
Application number
CN202110379524.6A
Other languages
Chinese (zh)
Other versions
CN113132244A (en
Inventor
李世仔
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.)
PACIFIC TELECOM CO Ltd
Original Assignee
PACIFIC TELECOM 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 PACIFIC TELECOM CO Ltd filed Critical PACIFIC TELECOM CO Ltd
Priority to CN202110379524.6A priority Critical patent/CN113132244B/en
Publication of CN113132244A publication Critical patent/CN113132244A/en
Application granted granted Critical
Publication of CN113132244B publication Critical patent/CN113132244B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/60Router architectures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B08B1/10
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/02Constructional details
    • H04Q1/035Cooling of active equipments, e.g. air ducts
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/02Constructional details
    • H04Q1/11Protection against environment
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20181Filters; Louvers

Abstract

The invention relates to the technical field of network science and technology, and discloses an intelligent router with a self-cleaning function for network science and technology. This intelligent router for internet technology with self-cleaning function, through the decline drive control switch decline of filter screen, control switch makes the driving shaft circular telegram rotate, the driving shaft rotates and drives the transmission shaft through the transmission and rotates, the transmission shaft drives the worm wheel and rotates, the worm wheel drives the drive wheel and rotates, the drive wheel drives the drive block and rotates, the drive block drives the support and slides, the rethread support is used with the cooperation of pusher dog to the inside dust of ability self-cleaning equipment, long service life's effect has been reached.

Description

Intelligent router with self-cleaning function for network science and technology
Technical Field
The invention relates to the technical field of network science and technology, in particular to an intelligent router with a self-cleaning function for network science and technology.
Background
Network science and technology refers to a virtual picture, all things are connected together for use, the network science and technology is a form of network service, life and work of people are facilitated through a network, a router is common equipment of the network science and technology, the router is equipment for connecting local area networks and wide area networks in the Internet, the router can automatically select and set a route according to the condition of a channel, and signals are sent according to the front and back sequence through the optimal route.
Current router does not possess self-cleaning function, uses the back for a long time, and the inside a large amount of dusts that can accumulate of router, a large amount of dusts are piled up in equipment, not only can block up the louvre of equipment, also can give internals increase load simultaneously, can let equipment crash for a long time.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an intelligent router with a self-cleaning function for network science and technology, which has the advantages of capability of automatically detecting dust amount, high intelligent degree, capability of automatically cleaning dust in equipment, long service life and the like, and solves the problem that the existing router does not have the self-cleaning function, a large amount of dust can be accumulated in the router after long-time use, and is accumulated in the equipment, so that the heat dissipation holes of the equipment can be blocked, loads can be added to internal parts, and the equipment can be halted for a long time.
(II) technical scheme
In order to realize the purposes of automatically detecting the dust amount, having high intelligent degree, automatically cleaning the dust in the equipment and having long service life, the invention provides the following technical scheme: the utility model provides an intelligent router for network science and technology with self-cleaning function, includes the shell, the interior top fixedly connected with tension spring of shell, tension spring's bottom fixedly connected with slider, the inner wall swing joint of slider has the vibrations pole, the bottom fixedly connected with filter screen of vibrations pole, the bottom fixedly connected with control switch of filter screen, the interior bottom sliding connection of shell has the feeler lever, control switch's interior top fixedly connected with electro-magnet, control switch's inside sliding connection has inhales the piece, inhale the outside fixedly connected with friction pulley of piece, the inner wall swing joint who inhales the piece has the pendulum claw, the inner wall sliding connection who inhales the piece has the kicking block, it has the connecting rod to peg graft in the bottom of piece, the bottom swing joint of connecting rod has the pull rod, the bottom swing joint of pull rod has the fixture block, the inside fixedly connected with driving shaft of shell, the inner wall sliding connection of shell has the push rod, the top swing joint of push rod has the transfer line, the bottom swing joint of transmission shaft of shell has the transmission line, the outside meshing of transmission shaft has the drive wheel, the outside sliding connection of drive wheel has the drive wheel, the joint of drive wheel.
Preferably, the radiating hole is formed in the outer side of the shell, and the filter screen is located inside the radiating hole, so that the filter screen can detect dust.
Preferably, the front surface of the friction wheel is fixedly connected with a limiting wheel, and the swing claw is clamped inside the limiting wheel.
Preferably, the outer side of the clamping block is provided with a blocking opening, and the blocking opening is movably connected with a clamping jaw, so that the clamping block can limit the control switch to ascend, but cannot limit the control switch to descend.
Preferably, the outer side of the driving shaft is fixedly connected with an exhaust fan, and the left side of the driving shaft is fixedly connected with a cam.
Preferably, the transmission shaft is in transmission connection with the driving shaft through a transmission belt.
Preferably, a worm wheel is fixedly connected to the back of the driving wheel, and the worm wheel is meshed with the outer side of the transmission shaft.
Preferably, the outer side of the support is provided with a ratchet groove, and the inner part of the pusher dog is fixedly connected with a clockwork spring.
(III) advantageous effects
Compared with the prior art, the invention provides an intelligent router with a self-cleaning function for network technology, which has the following beneficial effects:
1. this intelligent router is used to network science and technology with self-cleaning function rotates through the driving shaft and drives the cam and rotate, and the cam rotates and drives the push rod slip, and the push rod drives the transfer line swing, and the transfer line drives the slide bar and slides, and the slide bar drives the vibrations pole swing, and the vibrations pole drives the filter screen swing, and the rethread filter screen uses with control switch's cooperation to reach ability automated inspection dust volume, effect that intelligent degree is high.
2. This intelligent router is used to network science and technology with self-cleaning function, it descends to drive control switch through filter screen decline, control switch makes the driving shaft circular telegram rotate, the driving shaft rotates and drives the transmission shaft through the transmission and rotate, the transmission shaft drives the worm wheel and rotates, the worm wheel drives the drive wheel and rotates, the drive wheel drives the drive block and rotates, the drive block drives the support and slides, the rethread support is used with the cooperation of pusher dog, thereby reached can the inside dust of self-cleaning equipment, long service life's effect.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a partial schematic view of a suction block of the present invention;
FIG. 5 is a partial schematic view of the drive shaft of the present invention;
FIG. 6 is an enlarged view of portion C of FIG. 1 according to the present invention.
In the figure: 1. a housing; 2. a tension spring; 3. a slider; 4. a vibration rod; 5. filtering with a screen; 6. a control switch; 7. a feeler lever; 8. an electromagnet; 9. sucking blocks; 10. a friction wheel; 11. swinging the claw; 12. a top block; 13. a connecting rod; 14. a pull rod; 15. a clamping block; 16. a drive shaft; 17. a push rod; 18. a transmission rod; 19. a slide bar; 20. a drive shaft; 21. a drive wheel; 22. a drive block; 23. a support; 24. a pusher dog.
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. 1-6, an intelligent router for network technology with self-cleaning function comprises a housing 1, a heat dissipating port is formed on the outer side of the housing 1, a filter screen 5 is positioned in the heat dissipating port to enable the filter screen 5 to detect dust, a tension spring 2 is fixedly connected to the inner top of the housing 1, a slider 3 is fixedly connected to the bottom of the tension spring 2, an inner wall of the slider 3 is movably connected with a vibration rod 4, the bottom of the vibration rod 4 is fixedly connected with the filter screen 5, the bottom of the filter screen 5 is fixedly connected with a control switch 6, a touch rod 7 is slidably connected to the inner bottom of the housing 1, an electromagnet 8 is fixedly connected to the inner top of the control switch 6, an absorption block 9 is slidably connected to the inner part of the control switch 6, a limit wheel is fixedly connected to the front of the friction wheel 10, a swing claw 11 is clamped in the limit wheel, a friction wheel 10 is fixedly connected to the outer side of the absorption block 9, a swing claw 11 is movably connected to the inner wall of the absorption block 9, a top block 12 is slidably connected to the inner wall of the absorption block 9, a connecting rod 13 is inserted in the bottom of the connection, a movable block 15 is connected to the outer side of the driving shaft, a push rod 17 is connected to the driving shaft, a control switch 16 is connected to the inner side of the driving shaft, a control switch, a driving shaft 16 is connected to the driving shaft, a control switch 16, the back fixedly connected with worm wheel of drive wheel 21, and the worm wheel meshing is in the outside of transmission shaft 20, and the outside sliding connection of drive wheel 21 has drive block 22, and the inside sliding connection of shell 1 has support 23, and the ratchet groove has been seted up in the outside of support 23, and the inside fixedly connected with clockwork spring of pusher dog 24, and the outside joint of support 23 has pusher dog 24.
The working principle is as follows: when the dust amount in the equipment is large, the filter screen 5 descends under the action of dust gravity, the filter screen 5 descends to drive the control switch 6 to descend, the control switch 6 drives the clamping jaws to swing, meanwhile, the control switch 6 enables the driving shaft 16 to be electrified to rotate, the driving shaft 16 rotates to drive the transmission shaft 20 to rotate through transmission, the transmission shaft 20 drives the worm wheel to rotate, the worm wheel drives the driving wheel 21 to rotate, the driving wheel 21 drives the driving block 22 to rotate, the driving block 22 drives the support 23 to slide, the support 23 vibrates under the action of the shifting claws 24, the support 23 slides left and right along with the rotation of the driving wheel 21, meanwhile, the shifting claws 24 enable the support 23 to vibrate, the support 23 enables dust in the equipment to be lifted, the driving shaft 16 rotates to drive the exhaust fan to rotate, the exhaust fan exhausts the dust out of the equipment through the filter screen 5, the driving shaft 16 rotates to drive the cam to rotate, the cam rotates to drive the push rod 17 to slide, the push rod 17 drives the transmission rod 18 to swing, the transmission rod 18 drives the slide rod 19 to drive the vibration rod 4 to swing, the filter screen 5 swings, the dust on the surface of the filter screen 5 falls, and the next detection accuracy is guaranteed.
16 circular telegrams of driving shaft and 8 circular telegrams of electro-magnet simultaneously, 8 circular telegrams of electro-magnet drive inhale piece 9 and rise, pendulum claw 11 passes through kicking block 12 restriction friction pulley 10 and rotates this moment, friction pulley 10 makes and inhales piece 9 and rise slowly, after inhaling a period of time that piece 9 rises, it drives connecting rod 13 through buffer spring to inhale piece 9 and rises, connecting rod 13 drives pull rod 14 and rises, pull rod 14 drives fixture block 15 and slides to control switch 6 inside, pull spring 2 drives slider 3 and rises this moment, slider 3 drives filter screen 5 and rises, filter screen 5 drives control switch 6 and rises, control switch 6 makes 16 stall of driving shaft, guarantee that cleaning mechanism can automatic disconnection after the operation period, intelligent degree is high.
In conclusion, this intelligent router for network technology with self-cleaning function rotates through driving shaft 16 and drives the cam and rotate, and the cam rotates and drives push rod 17 and slide, and push rod 17 drives transfer line 18 and swings, and transfer line 18 drives slide bar 19 and slides, and slide bar 19 drives vibrations pole 4 and swings, and vibrations pole 4 drives filter screen 5 and swings, and rethread filter screen 5 uses with control switch 6's cooperation to reach the effect that can automated inspection dust volume, intelligent degree is high. This intelligent router is used to network science and technology with self-cleaning function, it descends to drive control switch 6 through filter screen 5 decline, control switch 6 makes 16 circular telegrams of driving shaft rotate, driving shaft 16 rotates and drives transmission shaft 20 through the transmission and rotate, transmission shaft 20 drives the worm wheel and rotates, the worm wheel drives drive wheel 21 and rotates, drive wheel 21 drives drive block 22 and rotates, drive block 22 drives support 23 and slides, rethread support 23 uses with the cooperation of pusher dog 24, thereby reached can the inside dust of self-cleaning equipment, long service life's effect, application scope is more extensive.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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.

Claims (4)

1. The utility model provides an intelligent router for network technology with self-cleaning function, includes shell (1), its characterized in that: the inner top of the shell (1) is fixedly connected with a tension spring (2), the bottom of the tension spring (2) is fixedly connected with a sliding block (3), the inner wall of the sliding block (3) is movably connected with a vibration rod (4), the bottom of the vibration rod (4) is fixedly connected with a filter screen (5), the bottom of the filter screen (5) is fixedly connected with a control switch (6), the inner bottom of the shell (1) is slidably connected with a feeler lever (7), the inner top of the control switch (6) is fixedly connected with an electromagnet (8), the inner portion of the control switch (6) is slidably connected with a suction block (9), the outer side of the suction block (9) is fixedly connected with a friction wheel (10), the inner wall of the suction block (9) is movably connected with a swing claw (11), the inner wall of the suction block (9) is slidably connected with a top block (12), the bottom of the suction block (9) is inserted with a connecting rod (13), the bottom of the connecting rod (13) is movably connected with a pull rod (14), the bottom of the pull rod (14) is movably connected with a fixture block (15), the inner wall of the shell (1) is fixedly connected with a driving shaft (16), the inner wall of the shell is slidably connected with a push rod (18), and the top of the movable push rod (17) is movably connected with a transmission rod (17), the inner wall of the shell (1) is fixedly connected with a transmission shaft (20), the outer side of the transmission shaft (20) is meshed with a driving wheel (21), the outer side of the driving wheel (21) is connected with a driving block (22) in a sliding mode, the inner part of the shell (1) is connected with a support (23) in a sliding mode, and the outer side of the support (23) is clamped with a shifting claw (24);
a blocking opening is formed in the outer side of the clamping block (15), and a clamping jaw is movably connected inside the blocking opening;
the outer side of the driving shaft (16) is fixedly connected with an exhaust fan, and the left side of the driving shaft is fixedly connected with a cam;
the transmission shaft (20) is in transmission connection with the driving shaft (16) through a transmission belt;
the back of the driving wheel (21) is fixedly connected with a worm wheel, and the worm wheel is meshed with the outer side of the transmission shaft (20);
the filter screen (5) descends under the action of dust gravity, the filter screen (5) descends to drive the control switch (6) to descend, the control switch (6) drives the clamping jaws to swing, meanwhile, the control switch (6) enables the driving shaft (16) to be electrified to rotate, the driving shaft (16) rotates to drive the transmission shaft (20) to rotate through transmission, the transmission shaft (20) drives the worm wheel to rotate, the worm wheel drives the driving wheel (21) to rotate, the driving wheel (21) drives the driving block (22) to rotate, the driving block (22) drives the support (23) to slide, the support (23) vibrates under the action of the shifting claw (24), the support (23) slides left and right, meanwhile, the shifting claw (24) enables the support (23) to vibrate, the support (23) enables dust inside the equipment to be lifted, the driving shaft (16) drives the exhaust fan to rotate simultaneously, and the exhaust fan discharges the dust out of the equipment through the filter screen (5).
2. The intelligent router for network technology with self-cleaning function according to claim 1, wherein: the outside of shell (1) has been seted up the thermovent, and filter screen (5) are located the thermovent inside.
3. The intelligent router for network technology with self-cleaning function according to claim 1, wherein: the front side of the friction wheel (10) is fixedly connected with a limiting wheel, and the swing claw (11) is clamped inside the limiting wheel.
4. The intelligent router for network technology with self-cleaning function according to claim 1, wherein: a ratchet groove is formed in the outer side of the support (23), and a spring is fixedly connected inside the pusher dog (24).
CN202110379524.6A 2021-04-08 2021-04-08 Intelligent router with self-cleaning function for network technology Active CN113132244B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110379524.6A CN113132244B (en) 2021-04-08 2021-04-08 Intelligent router with self-cleaning function for network technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110379524.6A CN113132244B (en) 2021-04-08 2021-04-08 Intelligent router with self-cleaning function for network technology

Publications (2)

Publication Number Publication Date
CN113132244A CN113132244A (en) 2021-07-16
CN113132244B true CN113132244B (en) 2022-12-16

Family

ID=76775628

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110379524.6A Active CN113132244B (en) 2021-04-08 2021-04-08 Intelligent router with self-cleaning function for network technology

Country Status (1)

Country Link
CN (1) CN113132244B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209170413U (en) * 2018-11-12 2019-07-26 成都靖尧通信技术有限公司 A kind of router of internet of things
CN110677742A (en) * 2019-11-13 2020-01-10 陆刘尚尚 Novel router for network technology
CN112261504A (en) * 2020-11-18 2021-01-22 广州蓝鹏创新科技有限公司 Router for internet with dustproof function
CN212696016U (en) * 2020-08-24 2021-03-12 浙江亿邦信息技术有限公司 Credible router equipment based on block chain
WO2021055931A1 (en) * 2019-09-19 2021-03-25 Schlumberger Technology Corporation Smart dust cap

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207753735U (en) * 2017-09-11 2018-08-21 安徽电信器材贸易工业有限责任公司 A kind of anti-dust soil router with damping effect
CN108650186A (en) * 2018-06-29 2018-10-12 方小玲 A kind of router with dust reduction capability
CN208445575U (en) * 2018-07-01 2019-01-29 陆丹丹 A kind of smart home router of easy cleaning
CN110275040B (en) * 2019-08-06 2020-06-26 杨胜杰 Automatic drawing equipment for wind speed sensor
CN211189613U (en) * 2019-11-15 2020-08-07 卢华西 High efficiency air purification equipment that more factory building of dust was used
CN211741939U (en) * 2020-04-30 2020-10-23 深圳广田集团股份有限公司 Building intelligence temperature control device
CN112074183B (en) * 2020-11-16 2021-04-06 南京贝思特信息科技有限公司 Router

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209170413U (en) * 2018-11-12 2019-07-26 成都靖尧通信技术有限公司 A kind of router of internet of things
WO2021055931A1 (en) * 2019-09-19 2021-03-25 Schlumberger Technology Corporation Smart dust cap
CN110677742A (en) * 2019-11-13 2020-01-10 陆刘尚尚 Novel router for network technology
CN212696016U (en) * 2020-08-24 2021-03-12 浙江亿邦信息技术有限公司 Credible router equipment based on block chain
CN112261504A (en) * 2020-11-18 2021-01-22 广州蓝鹏创新科技有限公司 Router for internet with dustproof function

Also Published As

Publication number Publication date
CN113132244A (en) 2021-07-16

Similar Documents

Publication Publication Date Title
EP1897477A3 (en) Cleaning head for a vacuum cleaner
TW200626846A (en) Air conditioner
CN115598504B (en) Automatic change memory chip testing arrangement
CN113132244B (en) Intelligent router with self-cleaning function for network technology
CN104895469A (en) Machinery ventilating window
CN112372035A (en) Prevent energy-concerving and environment-protective drill bit is used in circuit board processing of jam
TW200626844A (en) Air conditioner with indoor unit having automatic filter cleaning function
CN210145697U (en) Dust collecting equipment is used in environmental protection brick preparation
CN112466353A (en) Recording pen device capable of preventing dust by utilizing magnetic force
CN112530126A (en) Intelligent smoke alarm for accurately detecting building information collection
CN211158981U (en) Filter screen formula dust collector
CN209317274U (en) A kind of plasma cut dust pelletizing system
CN209627995U (en) Communication engineering equipment cabinet
CN113552294A (en) Indoor air environment monitoring device and detection method
JP4736685B2 (en) Air conditioner
CN111974715A (en) Scavenger fan cleaning device based on principle is inhaled to magnetism
JP4983700B2 (en) Electric vacuum cleaner
TW200624727A (en) Air conditioner
CN213049856U (en) Ceiling type purifying equipment
CN214809175U (en) Oil smoke purification separator
CN111228924B (en) Self-cleaning air purification equipment
CN216572155U (en) Flue gas filtering device for tunnel
CN215865710U (en) Bridge crack detection device
CN216420499U (en) Inside cleaning device of central air conditioning
CN218523624U (en) Grease separating structure of integrated cooker

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
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20221125

Address after: 518000 8th Floor, Joint Headquarters Building, High tech Zone, No. 63, Gaoxin South 10th Road, Binhai Community, Nanshan District, Shenzhen, Guangdong

Applicant after: PACIFIC TELECOM Co.,Ltd.

Address before: 310000 room 1307, building 7, block 1, Jiangjiang confluence apartment, Jianggan District, Hangzhou City, Zhejiang Province

Applicant before: Li Shizi

GR01 Patent grant
GR01 Patent grant