CN112399783B - High-temperature-resistant rapid cooling device for communication equipment - Google Patents

High-temperature-resistant rapid cooling device for communication equipment Download PDF

Info

Publication number
CN112399783B
CN112399783B CN202011271198.9A CN202011271198A CN112399783B CN 112399783 B CN112399783 B CN 112399783B CN 202011271198 A CN202011271198 A CN 202011271198A CN 112399783 B CN112399783 B CN 112399783B
Authority
CN
China
Prior art keywords
communication equipment
mounting base
cooling device
sliding
gear
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
CN202011271198.9A
Other languages
Chinese (zh)
Other versions
CN112399783A (en
Inventor
周毅波
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.)
Huaihua Fangnuo Technology Co ltd
Original Assignee
Huaihua Fangnuo 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 Huaihua Fangnuo Technology Co ltd filed Critical Huaihua Fangnuo Technology Co ltd
Priority to CN202011271198.9A priority Critical patent/CN112399783B/en
Publication of CN112399783A publication Critical patent/CN112399783A/en
Application granted granted Critical
Publication of CN112399783B publication Critical patent/CN112399783B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H05K7/20172Fan mounting or fan specifications
    • 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
    • H05K7/20218Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to a cooling device, in particular to a high-temperature-resistant rapid cooling device for communication equipment. The high-temperature-resistant rapid cooling device for the communication equipment can cool the communication equipment, and normal use of the equipment is not affected. A high temperature resistant rapid cooling device for communication equipment comprises: a mounting base; a placement plate mounted on the mounting base; the power assembly is arranged on the mounting base and provides power in a rotating mode; the air cooling assembly is arranged on the mounting base and used for carrying out air cooling in a rotating mode. According to the invention, when the power assembly is used for cooling the communication equipment, power can be provided, so that the cooling device is more convenient for people to use, the service life of the communication equipment is prolonged, the cooling device is more convenient for people to use, the communication equipment can be prevented from being displaced when in use by the clamping plate, the cooling device is more convenient for people to use, and the cooling device can be further cooled by the partition plate.

Description

High-temperature-resistant rapid cooling device for communication equipment
Technical Field
The invention relates to a cooling device, in particular to a high-temperature-resistant rapid cooling device for communication equipment.
Background
The communication equipment is a general term for communication equipment arranged in a certain region and used for transmitting electric wave information, and is mainly divided into wired communication equipment and wireless communication equipment. The wired communication equipment mainly introduces the conversion equipment for solving serial port communication, professional bus type communication, industrial Ethernet communication and various communication protocols of the industrial site. The wireless communication equipment mainly comprises wireless AP, wireless network bridge, wireless network card, wireless lightning arrester, antenna and the like.
These communication equipment, in the in-process of using, some can generate heat to influence people's normal use, when equipment generates heat, also can lead to the life of equipment to reduce short, when using, people also can't cool down to equipment, inconvenient people uses.
Therefore, it is necessary to develop a high-temperature-preventing rapid cooling device for a communication device, which can cool the communication device without affecting the normal use of the device.
Disclosure of Invention
In order to overcome the defects that communication equipment generates heat in the using process, the service life of the equipment is shortened, and people use the equipment inconveniently, the technical problem to be solved is that: the high-temperature-resistant rapid cooling device for the communication equipment can cool the communication equipment, and normal use of the equipment is not affected.
The technical proposal is as follows: a high temperature resistant rapid cooling device for communication equipment comprises: a mounting base; a placement plate mounted on the mounting base; the power assembly is arranged on the mounting base and provides power in a rotating mode; the air cooling assembly is arranged on the mounting base and used for carrying out air cooling in a rotating mode.
Further, the power assembly includes: the gear motor is arranged on the mounting base; the first gear is arranged on the output shaft of the speed reducing motor; the two first sliding blocks are arranged on the placing plate; and the gear ring is arranged between the two first sliding blocks and is meshed with the first gears.
Further, the air cooling assembly includes: the two rotating shafts are arranged on the mounting base in a rotating manner; the two second gears are arranged on the rotating shaft and are meshed with the gear ring; the two blades are arranged on the rotating shaft; the screen plate is two, and is all installed on placing the board.
Further, the method also comprises the following steps: the second sliding blocks are arranged on the placing plate, at least two sliding grooves are formed in the placing plate, and the second sliding blocks are arranged in the sliding grooves in a sliding mode; the at least two first springs are arranged between the second sliding block and the sliding groove; and two clamping plates are arranged between the two second sliding blocks.
Further, the method also comprises the following steps: and the partition board is arranged on the placing board.
Further, the method also comprises the following steps: the baffle is opened there are two at least through-holes on the connecting pipe, and the connecting pipe is two, on the equal baffle.
Further, the method also comprises the following steps: the two water tanks are arranged on the mounting base and are connected with the connecting pipe; the cylinder body is arranged on the mounting base; the piston is slidably arranged in the cylinder body; the second spring is arranged between the piston and the cylinder body; the push rod is arranged on the piston; the two hoses are arranged between the cylinder body and the water tank, and the hoses are provided with one-way valves.
Further, the method also comprises the following steps: the contact rod is arranged on the push rod; the turntable is arranged on an output shaft of the speed reducing motor; the arc blocks are at least two and are all installed on the turntable, and the arc blocks are matched with the contact rods.
The beneficial effects are that: according to the invention, when the communication equipment is cooled by the power component, power can be provided, the communication equipment is more convenient for people to use, the communication equipment can be cooled by the air cooling component, the service life of the communication equipment is prolonged, the communication equipment is more convenient for people to use, the communication equipment can be prevented from being displaced during use by the clamping plates, the communication equipment is more convenient for people to use, the communication equipment can be further cooled by the separating plates, the working efficiency of people is improved, the communication equipment can be more convenient for people to use, the communication equipment can be further cooled by water through the connecting pipe, the communication equipment is more convenient for people to use, the water pipe is not required to be connected onto the connecting pipe through the water tank and the cylinder body by manpower, the waste of water is avoided, the communication equipment is more convenient for people to use, the pushing rod is not required to be pulled by manpower when the communication equipment is cooled by the contact rod and the arc-shaped block, a large amount of manpower is saved, the working efficiency of people is improved, and the communication equipment is more convenient for people to use.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a power assembly according to the present invention.
Fig. 3 is a schematic perspective view of a first part of the present invention.
Fig. 4 is a schematic perspective view of a second part of the present invention.
Fig. 5 is a schematic perspective view of a third portion of the present invention.
Fig. 6 is a schematic perspective view of a fourth part of the present invention.
Reference numerals: 1_mounting base, 2_placement plate, 3_power assembly, 31_gear motor, 32_first gear, 33_first slider, 34_ring gear, 4_air cooling assembly, 41_spindle, 42_second slider, 43_blade, 44_mesh plate, 5_runner, 6_second slider, 7_first spring, 8_clamp plate, 9_partition plate, 10_through hole, 11_connecting tube, 12_water tank, 13_cylinder, 14_piston, 15_second spring, 16_push rod, 17_hose, 18_contact lever, 19_turn plate, 20_arc block.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, but does not limit the scope of protection and the application of the invention.
Example 1
The utility model provides a communication equipment prevents high temperature quick cooling device, as shown in fig. 1-6, including installation base 1, place board 2, power pack 3 and forced air cooling subassembly 4, installation base 1 upper portion has through the bolt rigid coupling to place board 2, is equipped with on the installation base 1 and provides the power pack 3 of power through the pivoted mode, is equipped with on the installation base 1 and carries out forced air cooling subassembly 4 through the pivoted mode.
When using the device, the staff puts communication equipment on placing board 2, after putting, and the staff drives forced air cooling subassembly 4 through power component 3 and cools down communication equipment, so, can prevent that communication equipment from generating heat in the use, makes things convenient for people to use more.
As shown in fig. 1, 2 and 5, the power assembly 3 includes a gear motor 31, a first gear 32, a first sliding block 33 and a gear ring 34, the gear motor 31 is fixedly connected to the mounting base 1 through bolts, the first gear 32 is connected to an output shaft of the gear motor 31 in a key manner, the first sliding blocks 33 are welded on the left and right sides of the bottom of the placement plate 2, the gear ring 34 is slidably arranged between the left and right first sliding blocks 33, and the gear ring 34 is meshed with the first gear 32.
When using the device, the staff puts communication equipment back, starts gear motor 31 and drives first gear 32 rotation to drive ring gear 34 and slide on first slider 33, and then drive forced air cooling subassembly 4 and cool down communication equipment, so, when cooling down communication equipment, can provide power, make things convenient for people to use more.
As shown in fig. 1, 2 and 3, the air cooling assembly 4 includes a rotating shaft 41, a second gear 42, blades 43 and a screen 44, the rotating shaft 41 is rotatably disposed on the left and right sides of the mounting base 1 through bearings, the second gear 42 is connected to the upper portion of the rotating shaft 41 through keys, the second gear 42 is engaged with the gear ring 34, the blades 43 are disposed on the upper portion of the rotating shaft 41, and the screen 44 is disposed on the left and right sides of the placement plate 2 in an embedded manner.
When the device is used, the gear ring 34 rotates to drive the second gear 42 to rotate, the rotating shaft 41 drives the blades 43 to rotate to cool the communication equipment, the screen 44 can prevent some larger impurities from blocking the blades 43, so that the communication equipment can be cooled, the service life of the communication equipment is prolonged, and the device is more convenient for people to use.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 3 and 4, the device further comprises a second slide block 6, a first spring 7 and a clamping plate 8, wherein the front part and the rear part of the left side and the right side of the placing plate 2 are respectively provided with a slide groove 5, the second slide block 6 is respectively arranged in the slide grooves 5 in a sliding manner, the first spring 7 is respectively connected between the second slide block 6 and the slide grooves 5, and the clamping plate 8 is respectively welded between the upper parts of the left side and the right side of the two second slide blocks 6.
When the device is used, a worker pulls the clamping plate 8 outwards, the second sliding block 6 slides outwards in the sliding groove 5, the first spring 7 is compressed, communication equipment is placed on the placing plate 2, after the placing, the clamping plate 8 is loosened by the worker, and under the action of resetting of the first spring 7, the clamping plate 8 is driven to move inwards to reset by the second sliding block 6, so that the communication equipment can be prevented from being displaced during use, and the device is more convenient for people to use.
As shown in fig. 1, 4 and 5, the utility model also comprises a baffle plate 9, and the baffle plate 9 is fixedly connected with the upper part of the placing plate 2 through bolts.
When the device is used, the staff puts communication equipment on baffle 9, after putting, cools down communication equipment, so, can further cool down communication equipment, has improved people's work efficiency, makes things convenient for people to use more.
As shown in fig. 1, 4 and 5, the device further comprises a connecting pipe 11, a row of through holes 10 are formed in the partition plate 9, and the connecting pipe 11 is arranged on the left side and the right side of the partition plate 9.
When using the device to cool down communications facilities, the staff connects the water pipe to one side on the connecting pipe 11, then, in the water pipe flows in the through-hole 10 in the baffle 9 through the connecting pipe 11 of one side to flow out through the connecting pipe 11 of opposite side, so, can further cool down communications facilities through water, make things convenient for people to use more.
As shown in fig. 1, 5 and 6, the device further comprises a water tank 12, a cylinder 13, a piston 14, a second spring 15, a push rod 16 and a hose 17, wherein the water tank 12 is fixedly connected to the left side and the right side of the mounting base 1 through bolts, the water tank 12 is connected with the connecting pipe 11, the cylinder 13 is fixedly connected to the mounting base 1 through bolts, the piston 14 is arranged in the cylinder 13 in a sliding manner, the second spring 15 is connected between the piston 14 and the cylinder 13, the push rod 16 is welded to the front side of the piston 14, the hose 17 is connected between the cylinder 13 and the water tank 12, and the hose 17 is provided with a one-way valve.
When the device is used for cooling communication equipment, a worker pulls the push rod 16 forwards, the piston 14 slides forwards in the cylinder 13, the second spring 15 is compressed accordingly, water in the water tank 12 on one side is sucked into the cylinder 13 through the hose 17 on one side, then, the push rod 16 is loosened, under the reset action of the second spring 15, the piston 14 slides backwards to push water in the cylinder 13 into the water tank 12 on the other side through the hose 17 on the other side, and then the water is pushed into the through hole 10 in the partition plate 9 through the connecting pipe 11 to cool the communication equipment, so that the water is not required to be connected onto the connecting pipe 11 manually, waste of water is avoided, and the device is more convenient for people to use.
As shown in fig. 1, 5 and 6, the device further comprises a contact rod 18, a rotary disc 19 and arc-shaped blocks 20, the contact rod 18 is welded on the push rod 16, the rotary disc 19 is connected to an output shaft of the gear motor 31 in a key manner, three arc-shaped blocks 20 are arranged on the periphery of the lower portion of the rotary disc 19, and the arc-shaped blocks 20 are matched with the contact rod 18.
When the device is used for cooling communication equipment, the gear motor 31 rotates to drive the turntable 19 to rotate, the arc-shaped block 20 rotates along with the turntable, when the arc-shaped block 20 rotates to be in contact with the contact rod 18, the arc-shaped block 20 rotates to push the contact rod 18 to move forwards, thereby driving the push rod 16 to move forwards, and when the arc-shaped block 20 rotates to be separated from the contact rod 18, the push rod 16 resets to drive the contact rod 18 to move backwards to reset, so that when the communication equipment is cooled, the push rod 16 does not need to be pulled manually, a large amount of manpower is saved, the working efficiency of people is improved, and the device is more convenient for people to use.
While the invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims (2)

1. The utility model provides a communication equipment prevents high temperature quick cooling device which characterized in that includes:
a mounting base (1);
a placing plate (2) mounted on the mounting base (1);
the power assembly (3) is arranged on the mounting base (1) and provides power in a rotating mode;
the air cooling assembly (4) is arranged on the mounting base (1) and is used for carrying out air cooling in a rotating mode;
the power assembly (3) comprises:
a gear motor (31) mounted on the mounting base (1);
a first gear (32) mounted on an output shaft of the speed reduction motor (31);
the two first sliding blocks (33) are arranged on the placement plate (2);
a gear ring (34) mounted between the two first sliders (33), the gear ring (34) being meshed with the first gear (32);
the air cooling assembly (4) comprises:
the two rotating shafts (41) are arranged on the mounting base (1) in a rotating manner;
the two second gears (42) are arranged on the rotating shaft (41), and the second gears (42) are meshed with the gear ring (34);
the two blades (43) are arranged on the rotating shaft (41);
the two net plates (44) are arranged on the placing plate (2);
the method also comprises the following steps:
a partition plate (9) mounted on the placement plate (2);
the method also comprises the following steps:
the connecting pipe (11) is provided with at least two through holes (10) on the partition board (9), and the two connecting pipes (11) are arranged on the partition board (9);
the method also comprises the following steps:
the two water tanks (12) are arranged on the mounting base (1), and the two water tanks (12) are connected with the connecting pipe (11);
a cylinder body (13) mounted on the mounting base (1);
a piston (14) slidably mounted in the cylinder (13);
a second spring (15) mounted between the piston (14) and the cylinder (13);
a push rod (16) mounted on the piston (14);
the two hoses (17) are arranged between the cylinder body (13) and the water tank (12), and the hoses (17) are provided with one-way valves;
the method also comprises the following steps:
a contact lever (18) mounted on the push rod (16);
a turntable (19) mounted on an output shaft of the gear motor (31);
the arc blocks (20), arc blocks (20) are at least two, all install on carousel (19), arc blocks (20) all cooperate with contact rod (18).
2. The device for preventing high temperature and fast cooling down of a communication device according to claim 1, further comprising:
the second sliding blocks (6) are arranged on the placement plate (2), at least two sliding grooves (5) are formed in the placement plate (2), at least two second sliding blocks (6) are arranged, and the second sliding blocks (6) are all installed in the sliding grooves (5) in a sliding mode;
the two first springs (7) are arranged between the second sliding block (6) and the sliding groove (5);
the two clamping plates (8) are arranged between the two second sliding blocks (6).
CN202011271198.9A 2020-11-13 2020-11-13 High-temperature-resistant rapid cooling device for communication equipment Active CN112399783B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011271198.9A CN112399783B (en) 2020-11-13 2020-11-13 High-temperature-resistant rapid cooling device for communication equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011271198.9A CN112399783B (en) 2020-11-13 2020-11-13 High-temperature-resistant rapid cooling device for communication equipment

Publications (2)

Publication Number Publication Date
CN112399783A CN112399783A (en) 2021-02-23
CN112399783B true CN112399783B (en) 2023-05-16

Family

ID=74599757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011271198.9A Active CN112399783B (en) 2020-11-13 2020-11-13 High-temperature-resistant rapid cooling device for communication equipment

Country Status (1)

Country Link
CN (1) CN112399783B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001291983A (en) * 2000-04-07 2001-10-19 Shicoh Eng Co Ltd Small-sized fan motor
CN207424802U (en) * 2017-12-04 2018-05-29 黑龙江民族职业学院 A kind of computer heat radiating device
CN207602525U (en) * 2017-11-16 2018-07-10 江苏伊施德创新科技有限公司 A kind of temperature control device for power device ageing
CN109116947A (en) * 2018-10-23 2019-01-01 郑州泰隆兴电子科技有限公司 A kind of Water-cooling circulating cooling type computer cabinet
CN109506403A (en) * 2018-12-28 2019-03-22 天津锐盛生物质能科技发展股份有限公司 A kind of cooling equipment of biological particles
CN210725634U (en) * 2019-09-25 2020-06-09 苏州英思拓智能科技有限公司 Fixing device for industrial Internet of things network optimization equipment
CN111365592A (en) * 2020-04-19 2020-07-03 侯广珍 Adjustable multifunctional cooling base for communication equipment
CN211606964U (en) * 2020-04-21 2020-09-29 南京丹迪克电力仪表有限公司 Quick cooling device for electronic device production and assembly
CN111786512A (en) * 2020-06-18 2020-10-16 浙江蓝炬星电器有限公司 Heat dissipation base of direct current motor and installation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10768677B2 (en) * 2018-04-13 2020-09-08 Cooler Master Technology Inc. Heat dissipating device having colored lighting and persistence effect

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001291983A (en) * 2000-04-07 2001-10-19 Shicoh Eng Co Ltd Small-sized fan motor
CN207602525U (en) * 2017-11-16 2018-07-10 江苏伊施德创新科技有限公司 A kind of temperature control device for power device ageing
CN207424802U (en) * 2017-12-04 2018-05-29 黑龙江民族职业学院 A kind of computer heat radiating device
CN109116947A (en) * 2018-10-23 2019-01-01 郑州泰隆兴电子科技有限公司 A kind of Water-cooling circulating cooling type computer cabinet
CN109506403A (en) * 2018-12-28 2019-03-22 天津锐盛生物质能科技发展股份有限公司 A kind of cooling equipment of biological particles
CN210725634U (en) * 2019-09-25 2020-06-09 苏州英思拓智能科技有限公司 Fixing device for industrial Internet of things network optimization equipment
CN111365592A (en) * 2020-04-19 2020-07-03 侯广珍 Adjustable multifunctional cooling base for communication equipment
CN211606964U (en) * 2020-04-21 2020-09-29 南京丹迪克电力仪表有限公司 Quick cooling device for electronic device production and assembly
CN111786512A (en) * 2020-06-18 2020-10-16 浙江蓝炬星电器有限公司 Heat dissipation base of direct current motor and installation method thereof

Also Published As

Publication number Publication date
CN112399783A (en) 2021-02-23

Similar Documents

Publication Publication Date Title
CN110515441B (en) Cooling dust collector of computer host
CN112399783B (en) High-temperature-resistant rapid cooling device for communication equipment
CN112271364A (en) New energy automobile's battery protective housing with heat dissipation function
CN206296724U (en) A kind of mill teeth workbench for collecting iron filings
CN215765706U (en) Environmental protection aeration equipment for building engineering
CN211162149U (en) Steel pipe cutting device capable of efficiently reducing noise
CN114833595B (en) Cutting device with multiple stations for neodymium iron boron processing
CN210808046U (en) Control device suitable for photovoltaic equipment
CN210693671U (en) High-efficient heat dissipation gear reducer under high temperature operational environment
CN217282725U (en) Inverter for photovoltaic power generation
CN218521178U (en) Cement clinker cooling and crushing device
CN219114152U (en) Full-automatic rubber slitter
CN217518797U (en) Main shaft bearing oiling machine for wind power generation fan blade
CN209892968U (en) Movable base for equipment for network operation and maintenance
CN221178259U (en) Wireless controller based on internet of things
CN215073272U (en) Communication device for remote consultation
CN212526177U (en) Drilling machine with dust fall function
CN213679572U (en) Dispatching winch based on technical service
CN221009091U (en) A heat dissipation shell for lithium cell group
CN211134991U (en) Novel semi-automatic sodium pressing machine
CN220965316U (en) Temperature control device for computer room management
CN221065336U (en) Clutch housing drilling device
CN213916197U (en) Drilling device for punching and welding horseshoe
CN218980892U (en) Environment-friendly exhaust device for metal surface modification
CN112636220A (en) Equipment for preventing power cabinet from overheating

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: 20230426

Address after: Building 3, Incubation Park, Yangtang Industrial Park, Hecheng Industrial Concentration Zone, Huaihua City, Hunan Province, 418000

Applicant after: Huaihua Fangnuo Technology Co.,Ltd.

Address before: Plant 18, Linchuan hi tech Industrial Park, NO.666, kejiyuan Road, Linchuan District, Fuzhou City, Jiangxi Province 344100

Applicant before: Jiangxi Guofeng Electronic Technology Co.,Ltd.

GR01 Patent grant
GR01 Patent grant