CN114247665A - Automatic screening equipment and method for lithium ion batteries - Google Patents
Automatic screening equipment and method for lithium ion batteries Download PDFInfo
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- CN114247665A CN114247665A CN202210174322.2A CN202210174322A CN114247665A CN 114247665 A CN114247665 A CN 114247665A CN 202210174322 A CN202210174322 A CN 202210174322A CN 114247665 A CN114247665 A CN 114247665A
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- base
- fixedly connected
- lithium ion
- box
- automatic screening
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- 238000012216 screening Methods 0.000 title claims abstract description 65
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims 3
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- Investigating Or Analysing Biological Materials (AREA)
- Sorting Of Articles (AREA)
Abstract
The invention discloses automatic screening equipment and an automatic screening method for lithium ion batteries, and the automatic screening equipment comprises a base, wherein the top of the base is fixedly connected with a screening equipment body, the left side and the right side of the top of the base are respectively provided with a sorting box positioned at the bottom of the screening equipment body, the top of the base is fixedly connected with a connecting block positioned at the inner side of the sorting box, the surface of the connecting block is movably connected with a positioning rod through a pin shaft, the positioning rod is in contact with the surface of the sorting box, and the top of the inner wall of the base is fixedly connected with a vertical plate. According to the automatic screening device for the lithium ion battery, the plurality of sorting boxes are respectively arranged on two sides of the top of the base, and the screening and filling processing is carried out on the sorting boxes positioned at intervals by using the screening device body, so that a user can conveniently replace the sorting boxes which are not positioned and are completely loaded, and the problems that the feeding and discharging mode of the existing automatic screening device for the lithium ion battery is single, the whole machine is required to be replaced when a certain clamp box is completely loaded, and the screening efficiency of the battery is seriously influenced are solved.
Description
Technical Field
The invention relates to the technical field of lithium ion battery production, in particular to automatic screening equipment and method for lithium ion batteries.
Background
Lithium ion battery need place it in the anchor clamps box of appointed passageway according to model and voltage in process of production, but the last unloading mode of current automatic screening installation of lithium ion battery is comparatively single, needs the complete machine to stop changing when certain anchor clamps box loads and finishes, has seriously influenced battery screening efficiency.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide automatic lithium ion battery screening equipment and a method, which have the advantage of improving the battery screening efficiency and solve the problems that the existing automatic lithium ion battery screening equipment has a single feeding and discharging mode, and when a certain clamp box is completely loaded, the whole machine needs to be replaced, so that the battery screening efficiency is seriously influenced.
In order to achieve the purpose, the invention provides the following technical scheme:
the automatic screening equipment for the lithium ion battery comprises a base; the top fixedly connected with screening apparatus body of base, the left side at base top all is provided with the sorting box that is located screening apparatus body bottom with the right side, the top fixedly connected with of base is located the inboard connecting block of sorting box, there is the locating lever on the surface of connecting block through round pin axle swing joint, the surface contact of locating lever and sorting box, the top fixedly connected with riser of base inner wall, the inboard swing joint of riser has the rolling wheel, the surface winding of rolling wheel has the haulage rope, the one end that the rolling wheel was kept away from to the haulage rope runs through to the top of base and is connected with the fixed surface of locating lever.
Preferably, the right side of the base is fixedly connected with a transmission motor, the output end of the transmission motor is fixedly connected with a screw rod, the left end of the screw rod penetrates through the base and is movably connected with the base, a toothed plate located inside the base is in threaded connection with the surface of the screw rod, a gear located at the bottom of the toothed plate is fixedly connected to the front side of the winding wheel, and the gear and the toothed plate are meshed with each other.
Preferably, the base is fixedly connected with a sleeve plate positioned at the top of the screw rod, the top of the toothed plate is fixedly connected with a sliding block positioned in the sleeve plate, and the sliding block is in sliding connection with the sleeve plate.
Preferably, the right side of the base is fixedly connected with a protection box sleeved on the surface of the transmission motor, and the inner surface of the protection box is fixedly connected with a noise reduction cotton sleeve.
Preferably, the left side and the right side of the top of the base are both fixedly connected with upright columns, and the inner sides of the upright columns are hinged with a protective door positioned on the front face of the sorting box through hinges.
Preferably, the top and the bottom of the positioning rod are fixedly connected with shock-absorbing pads, and one side of each shock-absorbing pad, which is far away from the positioning rod, is in contact with the surface of the sorting box.
Preferably, the top of the base is fixedly connected with a plurality of guide rails, the guide rails are positioned on the outer side of the sorting box, and the guide rails are connected with the sorting box in a sliding manner.
An automatic screening method for lithium ion batteries comprises the automatic screening equipment for lithium ion batteries, and comprises the following steps:
s1: the sorting boxes are arranged on two sides of the top of the base, a plurality of sorting boxes are arranged on each side of the top of the base, then a transmission motor is started, the transmission motor drives a screw to rotate, the screw pushes a toothed plate to horizontally move, the toothed plate drives a winding wheel to rotate through a gear in the moving process, two winding wheels synchronously wind and release a traction rope, a positioning rod is pulled and rotates by taking a pin shaft in a connecting block as an axis, and when the positioning rod is in contact with the surface of one sorting box, the sorting boxes after positioning are screened and filled by a screening equipment body;
s2: when the loading of a certain sorting box is finished, the transmission motor works reversely, so that the positioning rod is synchronously turned over and the sorting box on the other side is positioned, and the loading unit of the screening equipment body is changed;
s3: the user opens the guard gate opposite with screening installation body work unit and changes the processing to losing the sorting box of location.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the automatic screening device, the plurality of sorting boxes are respectively arranged on two sides of the top of the base, and the screening and filling processing is carried out on the sorting boxes positioned at intervals by using the screening device body, so that a user can conveniently replace the sorting boxes which are not positioned and are completely loaded, and the problems that the feeding and discharging mode of the existing automatic screening device for the lithium ion batteries is single, the whole machine is required to be replaced when a certain clamp box is completely loaded, and the screening efficiency of the batteries is seriously influenced are solved;
2. according to the invention, the transmission motor, the screw, the toothed plate and the gear are arranged, so that the two winding wheels can be automatically driven to synchronously rotate, and the phenomenon of rotary slip of the winding wheels is avoided;
3. the toothed plate can be limited by arranging the sleeve plate and the sliding block, so that the phenomenon that the toothed plate is inclined in the moving process is avoided;
4. according to the invention, the protection box and the noise reduction cotton sleeve are arranged, so that the transmission motor can be protected, and the phenomenon of noise diffusion during the operation of the transmission motor is prevented;
5. according to the invention, through arranging the upright post and the protective door, a user can be prevented from being damaged by the screening equipment body in the working process, and meanwhile, the blanking replacement operation of the user is prevented from being influenced;
6. according to the invention, the shock pad is arranged, so that the fixing effect of the positioning rod can be improved, and the influence of vibration on the positioning rod is reduced;
7. the sorting box can be limited by arranging the guide rail, so that the mounting efficiency of the sorting box is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of a partial structure of the present invention;
FIG. 3 is a schematic cross-sectional front view of a base structure according to the present invention;
FIG. 4 is a schematic sectional front view of the structure of the protection box of the present invention;
FIG. 5 is a perspective view of a portion of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
in the figure: 1. a base; 2. a screening device body; 3. a sorting box; 4. connecting blocks; 5. positioning a rod; 6. a vertical plate; 7. a winding wheel; 8. a hauling rope; 9. a drive motor; 10. a screw; 11. a toothed plate; 12. a gear; 13. sheathing; 14. a slider; 15. a protective case; 16. a noise reduction cotton sleeve; 17. a column; 18. a protective door; 19. a shock pad; 20. a guide rail.
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.
As shown in fig. 1 to 6, the automatic screening apparatus for lithium ion batteries provided by the present invention comprises a base 1; base 1's top fixedly connected with screening apparatus body 2, the left side and the right side at base 1 top all are provided with the sorting box 3 that is located 2 bottoms of screening apparatus body, base 1's top fixedly connected with is located sorting box 3 inboard connecting block 4, there is locating lever 5 on the surface of connecting block 4 through round pin axle swing joint, locating lever 5 and sorting box 3's surface contact, the top fixedly connected with riser 6 of base 1 inner wall, the inboard swing joint of riser 6 has wind-up wheel 7, the surface winding of wind-up wheel 7 has haulage rope 8, the one end that wind-up wheel 7 was kept away from to haulage rope 8 runs through to base 1's top and is connected with locating lever 5's fixed surface.
Referring to fig. 3, a right side of the base 1 is fixedly connected with a transmission motor 9, an output end of the transmission motor 9 is fixedly connected with a screw rod 10, a left end of the screw rod 10 penetrates through the base 1 and is movably connected with the base 1, a surface thread of the screw rod 10 is connected with a toothed plate 11 located inside the base 1, a front side of the winding wheel 7 is fixedly connected with a gear 12 located at the bottom of the toothed plate 11, and the gear 12 and the toothed plate 11 are meshed with each other.
As a technical optimization scheme of the invention, the two winding wheels 7 can be automatically driven to synchronously rotate by arranging the transmission motor 9, the screw rod 10, the toothed plate 11 and the gear 12, so that the phenomenon of rotary slip of the winding wheels 7 is avoided.
Referring to fig. 3, a sleeve plate 13 located at the top of the screw 10 is fixedly connected to the inside of the base 1, a sliding block 14 located inside the sleeve plate 13 is fixedly connected to the top of the toothed plate 11, and the sliding block 14 and the sleeve plate 13 are slidably connected.
As a technical optimization scheme of the invention, the retainer plate 13 and the sliding block 14 are arranged, so that the toothed plate 11 can be limited, and the phenomenon that the toothed plate 11 is inclined in the moving process is avoided.
Referring to fig. 4, a protection box 15 sleeved on the surface of the transmission motor 9 is fixedly connected to the right side of the base 1, and a noise reduction cotton sleeve 16 is fixedly connected to the inner surface of the protection box 15.
As a technical optimization scheme of the invention, the protection box 15 and the noise reduction cotton sleeve 16 are arranged, so that the transmission motor 9 can be protected, and the phenomenon of noise diffusion when the transmission motor 9 runs is prevented.
Referring to fig. 1, the left side and the right side of the top of the base 1 are both fixedly connected with an upright post 17, and the inner side of the upright post 17 is hinged with a protective door 18 positioned on the front side of the sorting box 3 through a hinge.
As a technical optimization scheme of the invention, the upright column 17 and the protective door 18 are arranged, so that a user can be prevented from being damaged by the screening equipment body 2 in the working process, and meanwhile, the influence on the blanking replacement operation of the user is avoided.
Referring to fig. 6, a shock absorbing pad 19 is fixedly connected to the top and the bottom of the positioning rod 5, and one side of the shock absorbing pad 19 away from the positioning rod 5 contacts with the surface of the sorting box 3.
As a technical optimization scheme of the invention, the shock absorption pad 19 is arranged, so that the fixing effect of the positioning rod 5 can be improved, and the influence of vibration on the positioning rod 5 can be reduced.
Referring to fig. 6, a plurality of guide rails 20 are fixedly connected to the top of the base 1, the guide rails 20 are located outside the sorting cassettes 3, and the guide rails 20 are slidably connected to the sorting cassettes 3.
As a technical optimization scheme of the invention, the sorting box 3 can be limited by arranging the guide rail 20, and the installation efficiency of the sorting box 3 is further improved.
An automatic screening method for lithium ion batteries comprises the automatic screening equipment for lithium ion batteries, and comprises the following steps:
s1: the sorting boxes 3 are arranged on two sides of the top of the base 1, a plurality of sorting boxes 3 are arranged on each side, then a transmission motor 9 is started, the transmission motor 9 drives a screw rod 10 to rotate, the screw rod 10 pushes a toothed plate 11 to horizontally move, the toothed plate 11 drives a winding wheel 7 to rotate through a gear 12 in the moving process, the two winding wheels 7 synchronously wind and release a traction rope 8, a positioning rod 5 is pulled and rotates by taking a pin shaft in a connecting block 4 as an axis, and when the positioning rod 5 is in contact with the surface of the sorting box 3 on one side, the sorting box 3 after positioning is screened and filled by a screening device body 2;
s2: when the loading of a certain sorting box 3 is finished, the transmission motor 9 works reversely, so that the positioning rod 5 synchronously turns over and positions the sorting box 3 on the other side, and the screening equipment body 2 changes the loading unit;
s3: the user opens the protective door 18 opposite to the working unit of the screening apparatus body 2 and performs a replacement process for the sorting cassette 3 that has lost its positioning.
The working principle and the using process of the invention are as follows: when the sorting machine is used, the sorting boxes 3 are respectively arranged at two sides of the top of the base 1, then the transmission motor 9 is started, the transmission motor 9 drives the screw rod 10 to rotate, the screw rod 10 pushes the toothed plate 11 to horizontally move, the toothed plate 11 drives the winding wheels 7 to rotate through the gear 12 in the moving process, the two winding wheels 7 synchronously wind and release the traction rope 8, the positioning rod 5 is pulled and rotates by taking a pin shaft in the connecting block 4 as an axis, when the positioning rod 5 is in contact with the surface of the sorting box 3 on one side, the screening apparatus body 2 performs the screening and filling process on the positioned sorting box 3, when loading of certain sorting box 3 finishes, 9 reverse workings of drive motor make locating lever 5 overturn in step and fix a position the opposite side sorting box 3, and screening installation body 2 changes the unit of loading, and the user can change the processing to losing the sorting box 3 of location simultaneously.
In summary, the following steps: according to the automatic screening equipment and the automatic screening method for the lithium ion batteries, the plurality of sorting boxes 3 are respectively arranged on two sides of the top of the base 1, the sorting boxes 3 positioned at intervals are screened and filled by the screening equipment body 2, a user can conveniently replace the sorting boxes 3 which are positioned and loaded completely, the problems that the feeding and discharging mode of the existing automatic screening equipment for the lithium ion batteries is single, when a certain clamp box is loaded completely, the whole machine is required to be stopped to be replaced, and the screening efficiency of the batteries is seriously influenced are solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (8)
1. The automatic screening equipment for the lithium ion battery comprises a base (1); the method is characterized in that: the top fixedly connected with screening installation body (2) of base (1), the left side and the right side at base (1) top all are provided with separation box (3) that are located screening installation body (2) bottom, the top fixedly connected with of base (1) is located separation box (3) inboard connecting block (4), the surface of connecting block (4) has locating lever (5) through round pin axle swing joint, the surface contact of locating lever (5) and separation box (3), the top fixedly connected with riser (6) of base (1) inner wall, the inboard swing joint of riser (6) has rolling wheel (7), the surface winding of rolling wheel (7) has haulage rope (8), the one end that rolling wheel (7) were kept away from in haulage rope (8) runs through to the top of base (1) and is connected with the fixed surface of locating lever (5).
2. The automatic screening equipment of lithium ion batteries according to claim 1, characterized in that: the right side fixedly connected with drive motor (9) of base (1), the output end fixedly connected with screw rod (10) of drive motor (9), the left end of screw rod (10) run through base (1) and with base (1) swing joint, the surperficial threaded connection of screw rod (10) has pinion rack (11) that are located base (1) inside, the positive fixedly connected with of wind-up wheel (7) is located gear (12) of pinion rack (11) bottom, gear (12) and pinion rack (11) intermeshing.
3. The automatic screening equipment of lithium ion batteries according to claim 2, characterized in that: the inside fixedly connected with of base (1) is located lagging (13) at screw rod (10) top, and the top fixedly connected with of pinion rack (11) is located the inside slider (14) of lagging (13), slider (14) and lagging (13) sliding connection.
4. The automatic screening equipment of lithium ion batteries according to claim 2, characterized in that: the right side fixedly connected with cover of base (1) is established at protection box (15) on transmission motor (9) surface, and the internal surface fixedly connected with of protection box (15) falls cotton cover (16) of making an uproar.
5. The automatic screening equipment of lithium ion batteries according to claim 1, characterized in that: the equal fixedly connected with stand (17) in left side and the right side at base (1) top, the inboard of stand (17) articulates through the hinge has and is located positive guard gate (18) of sorting box (3).
6. The automatic screening equipment of lithium ion batteries according to claim 1, characterized in that: the top and the bottom of the positioning rod (5) are fixedly connected with shock pads (19), and one side, away from the positioning rod (5), of each shock pad (19) is in contact with the surface of the sorting box (3).
7. The automatic screening equipment of lithium ion batteries according to claim 1, characterized in that: the top fixedly connected with of base (1) has a plurality of guide rail (20), and guide rail (20) are located the outside of selecting separately box (3), guide rail (20) and select separately box (3) sliding connection.
8. An automatic screening method for lithium ion batteries, comprising the automatic screening apparatus for lithium ion batteries according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
s1: the sorting box (3) is installed on two sides of the top of the base (1), each side is provided with a plurality of sorting boxes (3), then a transmission motor (9) is started, the transmission motor (9) drives a screw rod (10) to rotate, the screw rod (10) pushes a toothed plate (11) to move horizontally, the toothed plate (11) drives a winding wheel (7) to rotate through a gear (12) in the moving process, two winding wheels (7) synchronously wind and release a traction rope (8), a positioning rod (5) is pulled and rotates by taking a pin shaft inside a connecting block (4) as an axis, and when the positioning rod (5) is in contact with the surface of the sorting box (3) on one side, a screening device body (2) screens and fills the sorted boxes (3) after positioning;
s2: when one sorting box (3) is loaded, the transmission motor (9) works reversely, so that the positioning rod (5) is synchronously overturned and the sorting box (3) on the other side is positioned, and the screening equipment body (2) changes the loading unit;
s3: the user opens the protective door (18) opposite to the working unit of the screening device body (2) and replaces the sorting box (3) which is not positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210174322.2A CN114247665B (en) | 2022-02-25 | 2022-02-25 | Automatic screening equipment and method for lithium ion batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210174322.2A CN114247665B (en) | 2022-02-25 | 2022-02-25 | Automatic screening equipment and method for lithium ion batteries |
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| Publication Number | Publication Date |
|---|---|
| CN114247665A true CN114247665A (en) | 2022-03-29 |
| CN114247665B CN114247665B (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210174322.2A Active CN114247665B (en) | 2022-02-25 | 2022-02-25 | Automatic screening equipment and method for lithium ion batteries |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030020A (en) * | 2017-06-14 | 2017-08-11 | 湖北天神高新技术有限公司 | A kind of lithium battery automatic sorting device |
| CN109013396A (en) * | 2018-06-14 | 2018-12-18 | 杭州显庆科技有限公司 | The screening installation of cylindrical lithium battery |
| KR20190059593A (en) * | 2017-11-23 | 2019-05-31 | 서정록 | battery cell selection and storage equipment |
| CN209356422U (en) * | 2018-12-30 | 2019-09-06 | 深圳市杰普特光电股份有限公司 | Laser resistor trimming on-line checking mechanism |
| CN209393586U (en) * | 2018-09-04 | 2019-09-17 | 深圳市辉创自动化科技有限公司 | A kind of five grades of sorting machines of battery |
| CN214391210U (en) * | 2020-09-11 | 2021-10-15 | 四川长虹智能科技有限公司 | Screening line |
-
2022
- 2022-02-25 CN CN202210174322.2A patent/CN114247665B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030020A (en) * | 2017-06-14 | 2017-08-11 | 湖北天神高新技术有限公司 | A kind of lithium battery automatic sorting device |
| KR20190059593A (en) * | 2017-11-23 | 2019-05-31 | 서정록 | battery cell selection and storage equipment |
| CN109013396A (en) * | 2018-06-14 | 2018-12-18 | 杭州显庆科技有限公司 | The screening installation of cylindrical lithium battery |
| CN209393586U (en) * | 2018-09-04 | 2019-09-17 | 深圳市辉创自动化科技有限公司 | A kind of five grades of sorting machines of battery |
| CN209356422U (en) * | 2018-12-30 | 2019-09-06 | 深圳市杰普特光电股份有限公司 | Laser resistor trimming on-line checking mechanism |
| CN214391210U (en) * | 2020-09-11 | 2021-10-15 | 四川长虹智能科技有限公司 | Screening line |
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| Publication number | Publication date |
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| CN114247665B (en) | 2022-06-10 |
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Effective date of registration: 20240531 Address after: 341800 Standard Factory Building Phase I, Building 4, Industrial Park, Quannan County, Ganzhou City, Jiangxi Province Patentee after: Jiangxi Guihang New Energy Technology Co.,Ltd. Country or region after: China Address before: 518000 floors 2, 4 and 5, No. 42, Langkou Industrial Park, Langkou community, Dalang street, Longhua District, Shenzhen, Guangdong Patentee before: Shenzhen Guihang Electronics Co.,Ltd. Country or region before: China |