CN107742682B - Intelligent lithium battery module - Google Patents
Intelligent lithium battery module Download PDFInfo
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- CN107742682B CN107742682B CN201710752820.XA CN201710752820A CN107742682B CN 107742682 B CN107742682 B CN 107742682B CN 201710752820 A CN201710752820 A CN 201710752820A CN 107742682 B CN107742682 B CN 107742682B
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- shell body
- transmission rod
- plate
- lithium battery
- limiting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses an intelligent lithium battery module, which comprises a shell body and a shell cover, wherein a self-locking device comprises a self-locking plate, a transmission rod and a limiting rod, when a buckling plate is buckled in a groove, the plane of the limiting plate is vertical to the length direction of the shell body, a spring between the transmission rod and the side wall of the shell body is in a compressed state, the limiting rod is inserted into a limiting groove of a lithium battery, and the limiting plate is vertical to the length direction of the shell body; when the spring is in a natural state, the limiting rod is positioned outside the limiting groove of the lithium battery. When the lithium battery is arranged in the shell body, the lithium battery can be fixed through the self-locking device, the influence of vibration of the lithium battery on fastening of the box cover can be avoided, and the safety of the lithium battery shell is improved.
Description
Technical Field
The invention relates to an intelligent lithium battery module.
Background
The lithium battery refers to a battery containing lithium in an electrochemical system, and comprises metal lithium, lithium alloy, lithium ions and lithium polymers, and the technology of the lithium battery is continuously technically innovated along with the explosive development of smart phones and tablet computers. Compared with the traditional lead storage battery, the lithium battery has the advantages of small volume, light weight, small environmental pollution and the like, and the lithium battery can gradually replace the lead storage battery to become the mainstream in the industries of electric vehicles, UPS (uninterrupted power supply) and energy storage power stations.
However, the lithium battery is difficult to avoid in the use and can suffer from the interference caused by the external humid environment, for example, the lithium battery on the electric vehicle, when the motor passes through some ponding highway sections, ponding that probably will have splashing permeates to the shell of lithium battery, causes the interference to the normal work of lithium battery.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides an intelligent lithium battery module that can detect operational environment humidity.
In order to solve the problems, the lithium battery pack comprises a mounting shell and a lithium battery pack arranged in the mounting shell, wherein the lithium battery pack comprises a lithium battery, a humidity detection device and a control device, the lithium battery and the humidity detection device are both connected with the control device, the humidity detection device comprises an alarm lamp and a plurality of humidity sensors, the humidity sensors are respectively arranged at different positions in the mounting shell, the alarm lamp is arranged on the outer side surface of the mounting shell, and the alarm lamp and all the humidity sensors are connected with the control device; the mounting shell comprises a shell body and a shell cover, the shell body is a hollow cuboid, an opening is formed in one end of the cuboid in the length direction, a pair of self-locking devices are arranged on two opposite side walls of the cuboid, each self-locking device comprises a self-locking plate, a transmission rod and a limiting rod, the self-locking plates are hinged to the side walls of the shell body, each self-locking plate comprises a limiting plate and a buckling plate, the plane where the limiting plate is located is perpendicular to the plane where the buckling plates are located, the 90-degree included angle between the limiting plate and the buckling plate faces the direction in which the opening is formed in the shell body, one side of the limiting plate is fixedly connected with one side of the buckling plate, the joint of the limiting plate and the buckling plate coincides with the hinge joint of the self-locking plate and the shell body, the limiting plate is located on the inner side of the shell body, the buckling plate is located on the outer side of the shell, the transmission rod and the self-locking plate are positioned on the same side wall of the shell body, the length direction of the transmission rod is parallel to the length direction of the shell body, the sliding direction of the transmission rod is parallel to the length direction of the transmission rod, a groove is formed in the side wall of the shell body, a spring is arranged between the transmission rod and the shell body, and when the spring is in a natural state, one end of the transmission rod protrudes out of the side wall of the groove; the lithium battery is provided with a limiting groove corresponding to the limiting rod, when the buckling plate is buckled in the groove, the plane of the limiting plate is vertical to the length direction of the shell body, a spring between the transmission rod and the side wall of the shell body is in a compressed state, the length direction of the connecting rod is vertical to the length direction of the transmission rod, the limiting rod is inserted into the limiting groove, and the limiting plate is vertical to the length direction of the shell body; when the spring is in a natural state, the length direction of the connecting rod is in a state of being not perpendicular to the length direction of the transmission rod, and the limiting rod is positioned outside the limiting groove.
In order to facilitate clamping of the fastening plate, a clamping groove is formed in the vertical surface of the fastening plate corresponding to the transmission rod, a switch shifting piece is arranged on the side wall of the shell body in a sliding mode and fixedly connected with the transmission rod, when the fastening plate is fastened in the groove, the transmission rod is inserted into the clamping groove, the depth of the clamping groove is defined as a, when a spring between the transmission rod and the shell body is in a natural state, the length of one end of the transmission rod protruding out of the side wall of the groove is defined as b, and b is larger than a.
In order to facilitate the arrangement of the buckling plate and the groove, the depth of the groove is the same as the thickness of the buckling plate, and when the buckling plate is buckled in the groove, corresponding side walls between the buckling plate and the groove are flush.
In order to avoid water seepage in the shell body, the side walls of the grooves are provided with waterproof sealing strips.
In order to facilitate opening of the buckling plate, a torsion spring is arranged between the locking plate and the shell body, and when the torsion spring is in a natural state, the plane where the limiting plate is located is not perpendicular to the length direction of the shell body.
The invention has the beneficial effects that: the lithium battery of the invention is provided with the limiting groove matched with the limiting rod, when the lithium battery is arranged in the shell body, the bottom of the lithium battery pushes the limiting plate to rotate in the direction far away from the opening of the shell body, the buckling plate fixedly connected with the limiting plate into a right angle rotates towards the direction close to the side wall of the shell body, when the buckling plate rotates to be close to the transmission rod, the buckling plate presses the transmission rod to slide towards the direction far away from the buckling plate, the transmission rod pushes the limiting rod to slide towards the shell body under the action of the connecting rod and is inserted into the limiting groove of the lithium battery, because the last limit rod is clamped into the limit groove, the travel distance of the lithium battery in the shell body is shorter, the influence of movement on the limit rod when the limit rod extends into the clamp groove can be ignored, when the buckling plate is completely buckled in the groove, the transmission rod is inserted into the limiting groove of the buckling plate to prevent the buckling plate from loosening. When the lithium battery is arranged in the shell body, the lithium battery can be fixed through the self-locking device, the influence of vibration of the lithium battery on fastening of a shell cover can be avoided, the environmental humidity of the lithium battery can be detected, and the safety of the lithium battery shell is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a state after fixing a lithium battery;
FIG. 3 is an enlarged view at A;
FIG. 4 is an enlarged schematic view of the transmission rod and the limiting rod when the lithium battery is not fixed;
fig. 5 is an enlarged schematic view of the transmission rod and the limiting rod when the lithium battery is fixed.
Wherein: 1. the shell comprises a shell body, 2 parts of a self-locking plate, 3 parts of a transmission rod, 4 parts of a connecting rod, 5 parts of a limiting rod, 6 parts of a shell cover, 7 parts of a lithium battery, 8 parts of an alarm lamp, 9 parts of a humidity sensor, 1-1 parts of a groove, 2-1 parts of a buckling plate, 2-2 parts of a limiting plate, 2-3 parts of a clamping groove, 3-1 parts of a spring.
Detailed Description
As shown in fig. 2, intelligent lithium battery module including installation shell and the lithium battery pack of setting in the installation shell, lithium battery pack include lithium cell 7, humidity detection device and controlling means, lithium cell 7 and humidity detection device all are connected with controlling means, humidity detection device include alarm lamp 8 and a plurality of humidity transducer 9, a plurality of humidity transducer 9 set up the different positions department in the installation shell respectively, alarm lamp 8 set up on the lateral surface of installation shell, alarm lamp 8 and all humidity transducer 9 all are connected with controlling means. When the humidity sensor 9 senses that the humidity in the installation shell reaches a set value, the control device controls the alarm lamp 8 to give out alarm light to prompt a user to timely process.
As shown in fig. 1, 3 and 4, the mounting housing of the invention comprises a housing body 1 and a housing cover 6, the housing body 1 is a hollow cuboid, an opening is arranged at one end of the cuboid in the length direction, a pair of self-locking devices are arranged on two opposite side walls of the cuboid, each self-locking device comprises a self-locking plate 2, a transmission rod 3 and a limiting rod 5, the self-locking plate 2 is hinged on the side wall of the housing body 1, the self-locking plate 2 comprises a limiting plate 2-2 and a buckling plate 2-1, a torsion spring is arranged between the locking plate 2 and the housing body 1, and when the torsion spring is in a natural state, the plane where the limiting plate 2-2 is located and the length direction of the housing body 1 are in a non-perpendicular state. The plane of the limiting plate 2-2 is perpendicular to the plane of the buckling plate 2-1, the 90-degree included angle between the limiting plate 2-2 and the buckling plate 2-1 faces the direction of the opening formed in the shell body 1, one side of the limiting plate 2-2 is fixedly connected with one side of the buckling plate 2-1, the joint of the limiting plate 2-2 and the buckling plate 2-1 is superposed with the hinge joint of the self-locking plate 2 and the shell body 1, the limiting plate 2-2 is positioned on the inner side of the shell body 1, the buckling plate 2-1 is positioned on the outer side of the shell body, the transmission rod 3 is arranged on the side wall of the shell body 1 in a sliding mode, the transmission rod 3 and the self-locking plate 2 are positioned on the same side wall of the shell body 1, the length direction of the transmission rod 3 is parallel to the length direction of the shell body 1, and the sliding direction of the transmission, the side wall of the shell body 1 is provided with a groove 1-1, a spring 3-1 is arranged between the transmission rod 3 and the shell body 1, when the spring 3-1 is in a natural state, one end of the transmission rod 3 protrudes out of the side wall of the groove 1-1, a clamping groove 2-3 is arranged on the vertical surface of the buckling plate 2-1 corresponding to the transmission rod 3, a switch plectrum is arranged on the side wall of the shell body 1 in a sliding manner and is fixedly connected with the transmission rod 3, when the buckling plate 2-1 is buckled in the groove 1-1, the transmission rod 3 is inserted into the clamping groove 2-3, the depth of the clamping groove 2-3 is defined as a, when the spring 3-1 between the transmission rod 3 and the shell body 1 is in a natural state, the length of one end of the transmission rod 3 protruding out of the side wall of the groove 1-1 is defined as b, b is greater than a. The depth of the groove 1-1 is the same as the thickness of the buckling plate 2-1, when the buckling plate 2-1 is buckled in the groove 1-1, corresponding side walls between the buckling plate 2-1 and the groove 1-1 are flush, and the side walls of the buckling plate 2-1 and the side walls of the groove 1-1 are tightly attached together. The side walls of the grooves 1-1 are provided with waterproof sealing strips to prevent water from seeping into the shell body 1. The limiting rod 5 is arranged on the side wall of the shell body 1 in a sliding way, the length direction of the limiting rod 5 is vertical to the length direction of the transmission rod 3, the sliding direction of the limiting rod 5 is parallel to the length direction of the limiting rod 5, a connecting rod 4 is hinged between the limiting rod 5 and the transmission rod 3, a limiting groove corresponding to the limiting rod 5 is arranged on the lithium battery 7, when the buckling plate 2-1 is buckled in the groove 1-1, the plane of the limiting plate 2-2 is vertical to the length direction of the shell body 1, the spring 3-1 between the driving rod 3 and the side wall of the shell body 1 is in a compressed state, the length direction of the connecting rod 4 is in a state of being perpendicular to the length direction of the transmission rod 3, the limiting rod 5 is inserted into the limiting groove, and the limiting plates 2-2 are perpendicular to the length direction of the shell body 1; when the spring 3-1 is in a natural state, the length direction of the connecting rod 4 is in a state of being not perpendicular to the length direction of the transmission rod 3, and the limiting rod 5 is positioned outside the limiting groove.
The working principle is as follows: as shown in fig. 2 and 5, the lithium battery 7 is provided with a limiting groove matched with the limiting rod 5, when the lithium battery 7 is loaded into the housing body 1, the bottom of the lithium battery 7 pushes the limiting plate 2-2 to rotate in a direction away from the opening of the housing body 1, the fastening plate 2-1 fixedly connected with the limiting plate 2-2 into a right angle rotates in a direction close to the side wall of the housing body 1, when the fastening plate 2-1 rotates to be close to the transmission rod 3, the fastening plate 2-1 presses the transmission rod 3 to slide in a direction away from the fastening plate 2-1, the transmission rod 3 pushes the limiting rod 5 to slide towards the housing body 1 through the connecting rod action of the connecting rod 4, and the limiting rod is inserted into the limiting groove of the lithium battery, because the distance of the lithium battery 7 running in the housing body 1 is smaller in the final clamping stage, the influence of the movement on the extension of the limiting rod 5 into the, when the fastening plate 2-1 is completely fastened in the groove 1-1, the transmission rod 3 is inserted into the clamping groove 2-3 of the fastening plate 2-1 to prevent the fastening plate 2-1 from being loosened, and finally the shell cover 6 is installed on the shell body 1.
When the lithium battery 7 needs to be taken out, the transmission rod 3 is stirred through the shifting piece to slide in the direction away from the buckling plate 2-1, the transmission rod 3 drives the limiting rod 5 to exit from the limiting groove of the lithium battery 7 through the connecting rod 4, and the torsion spring on the self-locking plate 2 drives the limiting plate 2-2 to push the lithium battery 7 to move towards the opening of the shell body 1, so that a worker can take out the lithium battery 7 conveniently.
Claims (5)
1. The utility model provides an intelligence lithium cell module which characterized in that: the lithium battery pack comprises a lithium battery, a humidity detection device and a control device, wherein the lithium battery and the humidity detection device are connected with the control device, the humidity detection device comprises an alarm lamp and a plurality of humidity sensors, the humidity sensors are respectively arranged at different positions in the installation shell, the alarm lamp is arranged on the outer side surface of the installation shell, and the alarm lamp and all the humidity sensors are connected with the control device; the mounting shell comprises a shell body and a shell cover, the shell body is a hollow cuboid, an opening is formed in one end of the cuboid in the length direction, a pair of self-locking devices are arranged on two opposite side walls of the cuboid, each self-locking device comprises a self-locking plate, a transmission rod and a limiting rod, the self-locking plates are hinged to the side walls of the shell body, each self-locking plate comprises a limiting plate and a buckling plate, the plane where the limiting plate is located is perpendicular to the plane where the buckling plates are located, the 90-degree included angle between the limiting plate and the buckling plate faces the direction in which the opening is formed in the shell body, one side of the limiting plate is fixedly connected with one side of the buckling plate, the joint of the limiting plate and the buckling plate coincides with the hinge joint of the self-locking plate and the shell body, the limiting plate is located on the inner side of the shell body, the buckling plate is located on the outer side of the shell, the transmission rod and the self-locking plate are positioned on the same side wall of the shell body, the length direction of the transmission rod is parallel to the length direction of the shell body, the sliding direction of the transmission rod is parallel to the length direction of the transmission rod, a groove is formed in the side wall of the shell body, a spring is arranged between the transmission rod and the shell body, and when the spring is in a natural state, one end of the transmission rod protrudes out of the side wall of the groove; the lithium battery is provided with a limiting groove corresponding to the limiting rod, when the buckling plate is buckled in the groove, the plane of the limiting plate is vertical to the length direction of the shell body, a spring between the transmission rod and the side wall of the shell body is in a compressed state, the length direction of the connecting rod is vertical to the length direction of the transmission rod, the limiting rod is inserted into the limiting groove, and the limiting plate is vertical to the length direction of the shell body; when the spring is in a natural state, the length direction of the connecting rod is in a state of being not perpendicular to the length direction of the transmission rod, and the limiting rod is positioned outside the limiting groove.
2. The intelligent lithium battery module as claimed in claim 1, wherein: the vertical surface of the buckling plate corresponding to the transmission rod is provided with a clamping groove, the side wall of the shell body is provided with a switch shifting sheet in a sliding mode, the switch shifting sheet is fixedly connected with the transmission rod, when the buckling plate is buckled in the groove, the transmission rod is inserted into the clamping groove, the depth of the clamping groove is defined as a, when the spring between the transmission rod and the shell body is in a natural state, the length of one end of the transmission rod protruding out of the side wall of the groove is defined as b, and b is larger than a.
3. The intelligent lithium battery module as claimed in claim 2, wherein: the depth of recess and the thickness of buckle connection board be the same, when the buckle connection board lock joint was in the recess, buckle connection board and recess between corresponding lateral wall parallel and level.
4. The intelligent lithium battery module as claimed in claim 3, wherein: and waterproof sealing strips are arranged on the side walls of the grooves.
5. The intelligent lithium battery module as claimed in any one of claims 1 to 4, wherein: a torsion spring is arranged between the self-locking plate and the shell body, and when the torsion spring is in a natural state, the plane where the limiting plate is located and the length direction of the shell body are in a non-vertical state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752820.XA CN107742682B (en) | 2017-08-28 | 2017-08-28 | Intelligent lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752820.XA CN107742682B (en) | 2017-08-28 | 2017-08-28 | Intelligent lithium battery module |
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| Publication Number | Publication Date |
|---|---|
| CN107742682A CN107742682A (en) | 2018-02-27 |
| CN107742682B true CN107742682B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710752820.XA Active CN107742682B (en) | 2017-08-28 | 2017-08-28 | Intelligent lithium battery module |
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| CN (1) | CN107742682B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103587B (en) * | 2020-11-06 | 2021-05-14 | 南京鹿达电器有限公司 | Storage battery assembly with alarm function |
| CN117013148B (en) * | 2023-08-09 | 2024-02-09 | 江苏智泰新能源科技有限公司 | Portable energy storage power station lithium cell group |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0676818B1 (en) * | 1994-04-06 | 1999-07-07 | Daniel Longchamp | Battery protection |
| CN203077320U (en) * | 2012-12-06 | 2013-07-24 | 浙江百特电器有限公司 | Shaving device enabling battery case to be disassembled conveniently |
| CN104733664A (en) * | 2013-12-19 | 2015-06-24 | 陕西荣基实业有限公司 | Battery cabinet able to monitor humidity |
| CN106656020A (en) * | 2016-10-12 | 2017-05-10 | 江苏海克力斯电力科技有限公司 | Intelligent junction box with monitoring protection system |
| CN106887546A (en) * | 2017-02-22 | 2017-06-23 | 苏州祥弘源电子科技有限公司 | A kind of new-energy automobile battery protecting apparatus |
-
2017
- 2017-08-28 CN CN201710752820.XA patent/CN107742682B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0676818B1 (en) * | 1994-04-06 | 1999-07-07 | Daniel Longchamp | Battery protection |
| CN203077320U (en) * | 2012-12-06 | 2013-07-24 | 浙江百特电器有限公司 | Shaving device enabling battery case to be disassembled conveniently |
| CN104733664A (en) * | 2013-12-19 | 2015-06-24 | 陕西荣基实业有限公司 | Battery cabinet able to monitor humidity |
| CN106656020A (en) * | 2016-10-12 | 2017-05-10 | 江苏海克力斯电力科技有限公司 | Intelligent junction box with monitoring protection system |
| CN106887546A (en) * | 2017-02-22 | 2017-06-23 | 苏州祥弘源电子科技有限公司 | A kind of new-energy automobile battery protecting apparatus |
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| CN107742682A (en) | 2018-02-27 |
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Inventor after: Zhu Meilu Inventor after: Li Yaohua Inventor after: Zhang Jian Inventor before: Request for anonymity |
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Effective date of registration: 20200721 Address after: 518100 Area C, 3rd floor, No. 33 Industrial Avenue, Tangxia Chung Community, Songgang Street, Baoan District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN GOLDWAN ELECTRONIC Ltd. Address before: 312 Xinghua science and Technology Park, 298 Mayun Road, high tech Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU ANFEIRONG INDUSTRIAL TECHNOLOGY Co.,Ltd. |
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