CN108723545B - Environment-friendly soldering tin flue gas processing apparatus - Google Patents

Environment-friendly soldering tin flue gas processing apparatus Download PDF

Info

Publication number
CN108723545B
CN108723545B CN201810610263.2A CN201810610263A CN108723545B CN 108723545 B CN108723545 B CN 108723545B CN 201810610263 A CN201810610263 A CN 201810610263A CN 108723545 B CN108723545 B CN 108723545B
Authority
CN
China
Prior art keywords
pipe
environment
chamber
water tank
flue gas
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
CN201810610263.2A
Other languages
Chinese (zh)
Other versions
CN108723545A (en
Inventor
李伟
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.)
Pingxiang Baisheng Electronic Co., Ltd
Original Assignee
Pingxiang Baisheng Electronic 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 Pingxiang Baisheng Electronic Co Ltd filed Critical Pingxiang Baisheng Electronic Co Ltd
Priority to CN202011151236.7A priority Critical patent/CN112246095A/en
Priority to CN201810610263.2A priority patent/CN108723545B/en
Publication of CN108723545A publication Critical patent/CN108723545A/en
Application granted granted Critical
Publication of CN108723545B publication Critical patent/CN108723545B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81Solid phase processes
    • B01D53/82Solid phase processes with stationary reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18Absorbing units; Liquid distributors therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/38Removing components of undefined structure
    • B01D53/40Acidic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/08Auxiliary devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon

Abstract

The invention discloses an environment-friendly soldering tin smoke treatment device which comprises a device body, wherein the device body is provided with a base, a treatment chamber is arranged above the base, a second adsorption cavity is arranged above the base, a spiral pipe is arranged inside the second adsorption cavity, uniformly distributed through holes are formed in the spiral pipe, a one-way ventilation film is installed on the one-way ventilation film, the treatment chamber is divided into a first adsorption cavity and a water tank, a water outlet pipe is arranged inside the first adsorption cavity, a water outlet valve is arranged on the water outlet pipe, a cooling tank is arranged on the left side wall of the treatment chamber, and a cooling pipe is arranged inside the cooling tank. The flue gas treatment device is simple in structure, can effectively save energy by treating flue gas through a circulating structure, effectively purifies harmful gas by treating the flue gas through the alkaline adsorbent, the activated carbon adsorbent and water, greatly protects the environment, and is convenient to use, good in environmental friendliness and strong in practicability.

Description

Environment-friendly soldering tin flue gas processing apparatus
Technical Field
The invention relates to the field of environmental protection, in particular to an environment-friendly soldering tin smoke treatment device.
Background
Solder is an important industrial raw material for connecting electronic components in a soldering circuit, is a solder with a low melting point, and mainly refers to a solder made of tin-based alloy. The solder is produced by a melting method to produce an ingot and then press-processing the ingot into a material.
Soldering tin is widely applied to electronic industry, household appliance manufacturing industry, automobile manufacturing industry, maintenance industry and daily life.
A large amount of welding fume is generated in the welding operation process, and the welding fume contains a large amount of toxic and harmful substances, is very unfavorable to the health of people, so that the welding fume dust remover is required to absorb and treat the welding fume, the modern welding fume dust remover is generally only provided with one dust removing belt, the treatment effect on welding fume is not good, on the other hand, the modern welding fume dust remover is inconvenient to clean, and the dust removing pipe and the dust removing cover are easy to form condensed water when removing dust, if the condensed water enters the dust removing equipment, the dust removing effect is greatly reduced, and the PG plate of the plastic package motor sprays soldering flux on the surface of the PG plate and welding pins during welding, so that the soldering flux volatilizes during welding, a large amount of smoke is generated, the smoke has a sharp taste, is very harmful to human bodies and has very large influence on the environment.
Disclosure of Invention
The invention aims to provide an environment-friendly soldering tin fume treatment device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an environment-friendly soldering tin flue gas treatment device comprises a device body, wherein the device body is provided with a base, a treatment chamber is arranged above the base, the treatment chamber is fixedly connected with the base in a welding mode, a second adsorption cavity is arranged above the base, the second adsorption cavity is fixedly connected with the treatment chamber in a welding mode, a spiral pipe is arranged inside the second adsorption cavity, the spiral pipe is provided with uniformly distributed through holes, a one-way ventilation film is arranged on the one-way ventilation film and is fixedly connected with the inner wall of the through holes, the treatment chamber is internally divided into a first adsorption cavity and a water tank, the first adsorption cavity is internally provided with a water outlet pipe, the end part of the water outlet pipe is mutually communicated with the bottom of the spiral pipe, a water outlet valve is arranged on the water outlet pipe and is mutually communicated with the inside of the water outlet pipe, the left side wall of the treatment chamber is provided with a cooling box, the cooling box is fixedly connected with the base or the treatment chamber through the action of screws, and a cooling pipe is arranged in the cooling box.
As a further scheme of the invention: the interior of the second adsorption chamber is filled with an alkaline adsorbent.
As a further scheme of the invention: the end face of the water outlet valve is provided with a filter screen, and the filter screen is fixedly connected with the water outlet valve through a fixing buckle.
As a further scheme of the invention: the interior of the first adsorption chamber is filled with an activated carbon adsorbent.
As a further scheme of the invention: the first adsorption chamber is separated from the water tank through the action of a filter grid, and the filter grid is fixedly connected with the inner wall of the treatment chamber in a welding mode.
As a further scheme of the invention: the tip setting of cooling tube bottom is in the inside of water tank, and the inside circulating pump that sets up of water tank, fixed connection between the output of circulating pump and the tip of cooling tube, the top of cooling tube and the top interconnect of spiral pipe.
As a further scheme of the invention: the cooling box is provided with an opening, the opening below is a water inlet, and the opening above is a water outlet.
As a further scheme of the invention: and a water inlet and a water outlet are arranged on the side surface of the water tank and are communicated with the inside of the water tank.
As a further scheme of the invention: the device body sets up the blast pipe, the inside intercommunication each other of blast pipe and water tank, the top of blast pipe is higher than the height of device body.
As a still further scheme of the invention: the device body is provided with an emptying valve and an air guide valve, one end of the emptying valve or the air guide valve is communicated with the inside of the smoke storage device, and the other end of the emptying valve or the air guide valve is communicated with the inside of the processing chamber.
Compared with the prior art, the invention has the beneficial effects that: the flue gas treatment device is simple in structure, can effectively save energy by treating flue gas through a circulating structure, effectively purifies harmful gas by treating the flue gas through the alkaline adsorbent, the activated carbon adsorbent and water, greatly protects the environment, and is convenient to use, good in environmental friendliness and strong in practicability.
Drawings
Fig. 1 is a schematic structural diagram of an environment-friendly soldering tin fume treatment device.
Fig. 2 is a schematic structural diagram of a spiral pipe in the environment-friendly soldering tin fume treatment device.
FIG. 3 is a cross-sectional view taken along the direction A-A of the environmental-friendly solder fume treatment device.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, an environment-friendly soldering tin flue gas treatment device comprises a device body, wherein the device body is provided with a base 1, a treatment chamber 2 is arranged above the base 1, the treatment chamber 2 is fixedly connected with the base 1 in a welding manner, a second adsorption chamber 3 is arranged above the base 1, the second adsorption chamber 3 is fixedly connected with the treatment chamber 2 in a welding manner, a spiral tube 4 is arranged inside the second adsorption chamber 3, uniformly distributed through holes 5 are arranged on the spiral tube 4, a one-way ventilation film 6 is arranged on the one-way ventilation film 6, the one-way ventilation film 6 is fixedly connected with the inner wall of the through hole 5, an alkaline adsorbent is filled inside the second adsorption chamber 3, the inside of the treatment chamber 2 is divided into a first adsorption chamber 7 and a water tank 12, a water outlet pipe 8 is arranged inside the first adsorption chamber 7, the end part of the water outlet pipe 8 is communicated with the bottom of the spiral pipe 4, the water outlet pipe 8 is provided with a water outlet valve 9, the water outlet valve 9 is communicated with the inside of the water outlet pipe 8, the end surface of the water outlet valve 9 is provided with a filter screen 10, the filter screen 10 is fixedly connected with the water outlet valve 9 through the action of a fixing buckle, the inside of the first adsorption cavity 7 is filled with an activated carbon adsorbent, the first adsorption cavity 7 is separated from the water tank 12 through the action of a filter grid 11, the filter grid 11 is fixedly connected with the inner wall of the treatment chamber 2 through a welding mode, the left side wall of the treatment chamber 2 is provided with a cooling box 16, the cooling box 16 is fixedly connected with the base 1 or the treatment chamber 2 through the action of a screw, the inside of the cooling box 16 is provided with a cooling pipe 15, and the end part at the bottom of the cooling pipe 15 is arranged inside the, inside circulating pump 14 that sets up of water tank 12, fixed connection between the output of circulating pump 14 and the tip of cooling tube 15, the top of cooling tube 15 and the top interconnect of spiral pipe 4, set up opening 17 on the cooling box 16, opening 17 of below is the water inlet, and opening 17 of top is the delivery port, the side of water tank 12 sets up inlet outlet 13, inlet outlet 13 and the inside of water tank 12 communicate with each other, the device body sets up blast pipe 18, blast pipe 18 communicates with the inside of water tank 12 each other, the top of blast pipe 18 is higher than the height of device body, set up atmospheric valve 19 and air guide valve 20 on the device body, the one end of atmospheric valve 19 or air guide valve 20 communicates with each other with the inside of flue gas storage device, and the other end communicates with the inside of process chamber 2 each other.
The working principle of the invention is as follows: when the device body is used, flue gas enters the inside of the treatment chamber 2 from the gas guide valve 20, acidic substances in the flue gas are adsorbed by the alkaline adsorbent when the inside of the treatment chamber 2 is in use, then the flue gas enters the spiral pipe 4 through the one-way ventilation film 6 on the spiral pipe 4, moisture in the spiral pipe 4 flows, therefore the flue gas flows along with the moisture, when the flue gas enters the inside of the water outlet pipe 8, the flue gas and water are sent into the first adsorption cavity 7 through the action of the water outlet valve 9, harmful substances in the flue gas are further adsorbed by the activated carbon adsorbent, then the gas and water enter the water tank 12 through the action of the filter grille 11, the gas part which is subjected to two times of adsorption and water treatment is discharged into the air through the exhaust pipe 18, and water in the water tank 12 is pumped into the cooling pipe 15 through the action of the circulating pump 14, the water in the cooling pipe 15 is cooled under the action of the coolant in the cooling box 16, and then enters the spiral pipe 4 again, so that the flue gas is recycled, the flue gas purification device is simple in structure, the flue gas is treated through the circulating structure, energy can be effectively saved, harmful gas is effectively purified through triple flue gas treatment of alkaline adsorbent, activated carbon adsorbent and water treatment, the environment is greatly protected, and the flue gas purification device is convenient to use, good in environmental friendliness and high in practicability.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (9)

1. The utility model provides an environment-friendly soldering tin flue gas processing apparatus, includes the device body, the device body sets up base (1), its characterized in that, the top of base (1) sets up process chamber (2), through welded mode fixed connection between process chamber (2) and base (1), the top of base (1) sets up second adsorption cavity (3), through welded mode fixed connection between second adsorption cavity (3) and process chamber (2), the inside of second adsorption cavity (3) sets up spiral pipe (4), set up evenly distributed's opening (5) on spiral pipe (4), install one-way ventilation membrane (6) on spiral pipe (4), fixed connection between the inner wall of one-way ventilation membrane (6) and opening (5), the inside of process chamber (2) divide into first adsorption cavity (7) and water tank (12), the inside of first absorption cavity (7) sets up outlet pipe (8), the tip of outlet pipe (8) and the bottom of spiral pipe (4) communicate each other, set up outlet valve (9) on outlet pipe (8), outlet valve (9) and the inside of outlet pipe (8) communicate each other, the left side wall of treatment chamber (2) sets up cooler bin (16), effect fixed connection through the screw between cooler bin (16) and base (1) or treatment chamber (2), the inside of cooler bin (16) sets up cooling tube (15).
2. The environment-friendly solder fume processing device according to claim 1, wherein the inside of the second adsorption chamber (3) is filled with an alkaline adsorbent.
3. The environment-friendly solder fume processing device according to claim 1, wherein a filter screen (10) is disposed on an end surface of the water outlet valve (9), and the filter screen (10) is fixedly connected with the water outlet valve (9) through a fixing buckle.
4. The environmentally friendly solder fume processing apparatus according to claim 1, wherein the interior of the first adsorption chamber (7) is filled with an activated carbon adsorbent.
5. The environment-friendly solder fume processing device according to claim 1, wherein the first adsorption chamber (7) is separated from the water tank (12) by a filter grid (11), and the filter grid (11) is fixedly connected with the inner wall of the processing chamber (2) by welding.
6. The environment-friendly soldering tin flue gas processing device according to claim 1, wherein the end of the bottom of the cooling pipe (15) is arranged inside the water tank (12), the inside of the water tank (12) is provided with the circulating pump (14), the output end of the circulating pump (14) is fixedly connected with the end of the cooling pipe (15), and the top of the cooling pipe (15) is connected with the top of the spiral pipe (4).
7. The environment-friendly solder fume processing device according to claim 1, wherein a water inlet and outlet (13) is provided on a side surface of the water tank (12), and the water inlet and outlet (13) is communicated with the inside of the water tank (12).
8. The environment-friendly solder fume processing device according to claim 1, wherein the device body is provided with an exhaust pipe (18), the exhaust pipe (18) is communicated with the inside of the water tank (12), and the top of the exhaust pipe (18) is higher than the device body.
9. The environment-friendly solder fume processing device according to claim 1, wherein the device body is provided with a vent valve (19) and an air guide valve (20), one end of the vent valve (19) or the air guide valve (20) is communicated with the inside of the fume storage device, and the other end is communicated with the inside of the processing chamber (2).
CN201810610263.2A 2018-06-13 2018-06-13 Environment-friendly soldering tin flue gas processing apparatus Active CN108723545B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202011151236.7A CN112246095A (en) 2018-06-13 2018-06-13 Environment-friendly soldering tin flue gas processing apparatus
CN201810610263.2A CN108723545B (en) 2018-06-13 2018-06-13 Environment-friendly soldering tin flue gas processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810610263.2A CN108723545B (en) 2018-06-13 2018-06-13 Environment-friendly soldering tin flue gas processing apparatus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202011151236.7A Division CN112246095A (en) 2018-06-13 2018-06-13 Environment-friendly soldering tin flue gas processing apparatus

Publications (2)

Publication Number Publication Date
CN108723545A CN108723545A (en) 2018-11-02
CN108723545B true CN108723545B (en) 2020-12-22

Family

ID=63929565

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202011151236.7A Withdrawn CN112246095A (en) 2018-06-13 2018-06-13 Environment-friendly soldering tin flue gas processing apparatus
CN201810610263.2A Active CN108723545B (en) 2018-06-13 2018-06-13 Environment-friendly soldering tin flue gas processing apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN202011151236.7A Withdrawn CN112246095A (en) 2018-06-13 2018-06-13 Environment-friendly soldering tin flue gas processing apparatus

Country Status (1)

Country Link
CN (2) CN112246095A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111773903B (en) * 2020-07-02 2022-06-17 辽宁机电职业技术学院 Production welding device capable of purifying welding smoke

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101184044B1 (en) * 2010-08-31 2012-09-18 한국전력공사 Cyclone type dust collector
CN104353315B (en) * 2014-11-03 2016-08-24 国电康能科技股份有限公司 A kind of flue gas processing device
CN205156004U (en) * 2015-11-27 2016-04-13 江西申东环保科技有限公司 Burn multistage cooling smoke processor of burning furnace
CN105727720A (en) * 2016-04-13 2016-07-06 上海交通大学 Spiral bubble flue gas cleaning device
CN206560761U (en) * 2016-11-18 2017-10-17 永康市信政恒涂装设备有限公司 One kind welding flue gas purifying equipment
CN206965406U (en) * 2017-05-08 2018-02-06 武威市锦范工贸有限责任公司 A kind of energy-conserving and environment-protective flue gas purifying equipment
CN207169356U (en) * 2017-09-15 2018-04-03 安徽方信立华环保科技有限公司 A kind of waste gas Environmental-protecting dust-removing mechanical device
CN107913569A (en) * 2017-11-22 2018-04-17 郑州源冉生物技术有限公司 High-efficiency type exhaust gas purification and treatment device

Also Published As

Publication number Publication date
CN112246095A (en) 2021-01-22
CN108723545A (en) 2018-11-02

Similar Documents

Publication Publication Date Title
CN203244879U (en) Waste gas absorption tower
CN207139059U (en) A kind of point tin device for circuit board
CN108723545B (en) Environment-friendly soldering tin flue gas processing apparatus
CN108744936A (en) A kind of chemical reaction kettle emission-control equipment
CN205867860U (en) Enamelling machine exhaust treatment device
CN210996981U (en) Waste gas treatment device for reflow soldering machine
CN206404573U (en) A kind of alkali cleaning formula spray tower for waste gas
CN2931051Y (en) Spray cleaning apparatus for scribing machine
CN206587544U (en) A kind of new weld fumes clarifier
CN204816005U (en) A novel laser smog clarifier for air purification
CN207628207U (en) A kind of atomization retention emission-control equipment
CN212215005U (en) Integrated recovery and dust removal system for tin smelting plant
CN219744349U (en) Environment-friendly smoke and dust clarifier
CN208320449U (en) The boiler flue gas purification system of effect is mentioned based on dehumidification drying device
CN209819632U (en) Domestic kitchen cleaning oil smoke discharging fume exhauster
CN207422384U (en) Cooling type plasma purifier
CN209271126U (en) A kind of exhaust-gas treatment processing equipment that may be recovered recycling
CN207887334U (en) A kind of electrostatic precipitator of rotation disturbed flow type
CN205815436U (en) A kind of automatization paint-removing exhaust device
CN205886476U (en) Hanging oil mist processor
CN212309296U (en) Dual high-efficient processing environmental protection equipment of waste gas
CN214075693U (en) Reflow soldering machine with waste gas treatment function for packaging integrated circuit
CN219582001U (en) Recovery unit of electronic welding equipment
CN215490243U (en) Desktop purifying and sterilizing machine
CN204563882U (en) A kind of gas purifying equipment and purification unit

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: 20200929

Address after: 518034 No. 6003, Shennan Avenue, Futian District, Shenzhen City, Guangdong Province

Applicant after: Li Liping

Address before: 233300 Anhui city of Bengbu province Wuhe County Chengguan Town Xiangyuan District 18 building

Applicant before: Li Wei

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

Effective date of registration: 20201204

Address after: 337000 Wuyi Town, Anyuan Industrial Park, Anyuan District, Pingxiang City, Jiangxi Province

Applicant after: Pingxiang Baisheng Electronic Co., Ltd

Address before: 518034 No. 6003, Shennan Avenue, Futian District, Shenzhen City, Guangdong Province

Applicant before: Li Liping

GR01 Patent grant
GR01 Patent grant