CN107930517B - Lithium battery slurry mixing and feeding protection system - Google Patents
Lithium battery slurry mixing and feeding protection system Download PDFInfo
- Publication number
- CN107930517B CN107930517B CN201711244893.4A CN201711244893A CN107930517B CN 107930517 B CN107930517 B CN 107930517B CN 201711244893 A CN201711244893 A CN 201711244893A CN 107930517 B CN107930517 B CN 107930517B
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- CN
- China
- Prior art keywords
- slurry mixing
- mixing tank
- pipe
- pneumatic
- lithium battery
- 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.)
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Links
- 238000002156 mixing Methods 0.000 title claims abstract description 58
- 239000002002 slurry Substances 0.000 title claims abstract description 52
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 21
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims 2
- 239000000843 powder Substances 0.000 abstract description 28
- 210000003437 trachea Anatomy 0.000 abstract description 2
- 239000007772 electrode material Substances 0.000 description 7
- 239000012452 mother liquor Substances 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/60—Safety arrangements
- B01F35/605—Safety devices concerning the operation of the mixer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a lithium battery slurry mixing and feeding protection system, the device comprises a slurry mixing tank body and an alloy bracket, wherein the slurry mixing tank body is arranged at the center of the bottom of the alloy bracket; the utility model discloses a slurry mixing tank, including a slurry mixing tank body, a lower pressure plate, a plurality of pneumatic components, push rod, upper pressure plate, a through pipe, a lower pressure plate, a plurality of pneumatic components, a plurality of air pump control connection, push rod and upper pressure plate transmission connection, the upper pressure plate center department is equipped with the siphunculus, the holding down plate has been laid to the siphunculus periphery, be equipped with a plurality of pneumatic components on the holding down plate, pneumatic components passes through the trachea and is connected with the second air pump control, pneumatic components passes through the push rod and is connected with the top pressure plate transmission, extrusion pipe is equipped with to top pressure plate center department, extrusion pipe's internal diameter is greater than the internal diameter of leading to the pipe. Compared with the prior art, the lithium battery slurry mixing and feeding protection system provided by the invention adopts a mode higher than blanking to carry out powder mixing processing. In order to ensure that the powder in the tonnage can safely and stably fall on a pulp mixing machine, the pressure of the pulp mixing machine is reduced by two groups of air pumps and pneumatic devices. Meanwhile, an emergency receiving device is arranged at the feeding port, so that emergency stopping measures can be effectively carried out on the powder.
Description
Technical Field
The invention relates to a powder throwing protection system, in particular to a lithium battery slurry mixing throwing protection system.
Background
When lithium battery powder is put in batches, expensive powder needs to be protected. Because in the process of feeding, if abnormal feeding occurs, powder is easy to spill outside the slurry mixing tank body, and once the powder is polluted by dust, the utility is lost.
The lithium battery slurry mixing and feeding protection system is a protection device capable of preventing fed powder from scattering and bridging. The device can be quick put into the thick liquid jar body that closes with the powder of tonnage fast. Meanwhile, when the sudden stop is needed to be put in, the sudden stop measures can be immediately made.
The national intellectual property office of the people's republic of China publishes an invention about lithium battery charging, and the authorized public numbers of the invention are: CN 103623737A. The device comprises an electrode material unit, a mother liquor unit and a stirring motor, wherein the electrode material unit and the mother liquor unit are respectively connected with the stirring motor; the electrode material unit comprises an electrode main material feeding device, a solvent feeding device and an electrode material dispersing kettle, wherein the electrode main material feeding device and the solvent feeding device are respectively connected with the electrode material dispersing kettle, the mother liquor unit comprises an adhesive feeding device, a conductive agent feeding device, a solvent feeding device and a mother liquor dispersing kettle, and the conductive agent feeding device, the adhesive feeding device and the solvent feeding device are respectively connected with the mother liquor dispersing kettle; the electrode material dispersing kettle and the mother liquor dispersing kettle are respectively connected with a stirring motor, and the stirring motor is used for mixing mixed materials input from the electrode material dispersing kettle and the mother liquor dispersing kettle.
Disclosure of Invention
The invention aims to solve the technical problem of providing an efficient, stable and automatic material collecting lithium battery slurry mixing and feeding protection system.
In order to solve the technical problems, the lithium battery slurry mixing and feeding protection system comprises a slurry mixing tank body and an alloy bracket, wherein the slurry mixing tank body is arranged at the center of the bottom of the alloy bracket; the utility model discloses a slurry mixing tank, including a slurry mixing tank body, a lower pressure plate, a plurality of pneumatic components, push rod, upper pressure plate, a through pipe, a lower pressure plate, a plurality of pneumatic components, a plurality of air pump control connection, push rod and upper pressure plate transmission connection, the upper pressure plate center department is equipped with the siphunculus, the holding down plate has been laid to the siphunculus periphery, be equipped with a plurality of pneumatic components on the holding down plate, pneumatic components passes through the trachea and is connected with the second air pump control, pneumatic components passes through the push rod and is connected with the top pressure plate transmission, extrusion pipe is equipped with to top pressure plate center department, extrusion pipe's internal diameter is greater than the internal diameter of leading to the pipe.
Further, a hexagonal frame is arranged at the center of the top end of the alloy support, and an annular support frame is connected to the hexagonal frame.
Furthermore, four slope tables are arranged at the periphery of the hexagonal frame, pneumatic pushers are arranged on the four slope tables, the head ends of the pneumatic pushers are connected with a bearing plate, and the pneumatic pushers are in control connection with a first air pump at the legs and feet of the alloy support through air pipes.
Still further, the support is equipped with to close thick liquid jar body bottom, the motor of support upper end is connected with forward agitator and reverse agitator transmission through the pivot.
Furthermore, an emergency tightening mechanism is arranged on the outer side of the lower pressing plate and comprises a pneumatic assembly, and the pneumatic assembly penetrates through the limiting ring and is in transmission connection with the tightening block.
Furthermore, the top of the through pipe is provided with a light-sensitive dust cover.
Still further, closing thick liquid jar body upper end and hanging the transportation frame, the operation frame passes through hoist cable pulley and sliding rail connection, it has four extension arms to transport the peripheral welding of frame, extension arm upper surface welds and has linked a plurality of separation stands, separation stand and the stay cord spacing connection on the material package.
By adopting the structure, compared with the prior art, the lithium battery slurry mixing and feeding protection system adopts a mode higher than blanking to carry out powder mixing processing. In order to ensure that the powder in the tonnage can safely and stably fall on a pulp mixing machine, the pressure of the pulp mixing machine is reduced by two groups of air pumps and pneumatic devices. Meanwhile, an emergency receiving device is arranged at the feeding port, so that emergency stopping measures can be effectively carried out on the powder.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a slurry mixing and feeding protection system for a lithium battery according to the present invention.
Fig. 2 is a top view of a feed inlet of the slurry mixing and feeding protection system of the lithium battery.
Fig. 3 is a top view of an emergency tightening mechanism of the lithium battery slurry mixing and feeding protection system of the present invention.
Fig. 4 is a top view of a lithium battery slurry mixing and feeding protection system transport rack according to the present invention.
In the figure: the device comprises an alloy bracket 1, a hexagonal frame 1-1, a first air pump 2, a pneumatic pusher 3, a bearing plate 3-1, a ramp 4, an annular support frame 5, a through pipe 6, an extrusion pipe 7, a lower pressing plate 8-1, an upper pressing plate 8-2, a pneumatic assembly 9, an emergency tightening mechanism 10, a second air pump 11, a support 12, a forward stirrer 13-1, a reverse stirrer 13-2, a tightening block 14, a slurry mixing tank 15, a light-sensitive dust cover 16, a limit ring 17, a transfer frame 18, an extension arm 18-1, a sling pulley 18-2, a blocking upright 18-3 and a feeding bag 19.
Detailed Description
As shown in fig. 1, a lithium battery slurry mixing and feeding protection system comprises a slurry mixing tank body and an alloy bracket, a slurry mixing tank body is arranged at the center of the bottom of the alloy bracket; the slurry mixing tank is characterized in that a through pipe 6 is arranged at the center of the top end of the slurry mixing tank body 15, a lower pressing plate 8-1 is paved on the periphery of the through pipe 6, a plurality of pneumatic components 9 are arranged on the lower pressing plate 8-1, the pneumatic components 9 are in control connection with a second air pump 11 through air pipes, the pneumatic components 9 are in transmission connection with an upper pressing plate 8-2 through push rods, an extrusion pipe 7 is arranged at the center of the upper pressing plate 8-2, and the inner diameter of the extrusion pipe 7 is larger than that of the through pipe 6. The invention adopts a feeding mode from top to bottom. In the whole device, the slurry mixing tank body 15 is used as a container for bearing slurry mixing powder, and a through pipe 6 is arranged at the upper end of the slurry mixing tank body 15 in order to effectively guide the powder into the slurry mixing tank body 15. When the entire feed package 19 is suspended above the slurry tank 15 by the crane, the upper pressing plate 8-2 and the lower pressing plate 8-1 between the slurry mixing tank body 15 and the through pipe 6 compact the bag mouth of the feeding bag 19 through the pneumatic assembly 9. Finally, the bag mouth of the feeding bag is sleeved on the outer surface of the through pipe 6, so as to form a sealed feeding environment.
As shown in FIG. 2, a hexagonal frame 1-1 is arranged at the center of the top end of the alloy bracket 1, and an annular supporting frame 5 is connected to the hexagonal frame 1-1. Wherein, in order to strengthen the load-carrying strength of the alloy bracket 1, a hexagonal frame 1-1 is arranged at the top end of the alloy bracket 1. Meanwhile, in order to enable the ton-number of material-throwing bags to be hooked on the upper end of the whole device, the hexagonal frame 1-1 is connected with an annular supporting frame 5, and the material-throwing bags are dropped on the annular supporting frame 5.
As shown in fig. 1, four ramp platforms 4 are arranged at the periphery of the hexagonal frame 1-1, pneumatic pushers 3 are arranged on the four ramp platforms 4, the head end of the pneumatic pusher 3 is connected with a bearing plate 3-1, and the pneumatic pusher 3 is in control connection with a first air pump 2 at the leg and foot positions of the alloy bracket 1 through an air pipe. When the feeding bag is lifted, the slurry powder is filled in the feeding bag, so that the stress area of the annular supporting frame 5 with the annular structure is too small, and the feeding bag is easy to cause the powder to be stacked towards the edge of the annular supporting frame 5. Thus, the situation of incomplete feeding of the powder material can occur in the feeding process. Four ramp 4 are mounted at the periphery of the hexagonal frame 1-1 and pneumatic pusher 3 is mounted on the four ramp 4. The pneumatic pusher 3 is utilized to concentrate the middle of the feeding bag at the center of the feeding bag, so that the powder is uniformly dropped.
As shown in FIG. 1, a support 12 is arranged at the bottom of the slurry mixing tank 15, and a motor at the upper end of the support 12 is in transmission connection with a forward stirrer 13-1 and a reverse stirrer 13-2 through rotating shafts. In the feeding process, the powder is excessively large and the feeding speed is high, so that the powder can intensively fall at the center of the slurry mixing tank 15 and is accumulated. At this time, bridging phenomenon is easy to occur. Once bridging occurs, powder can be blocked at the mouth of the slurry tank 15. The motor at the bottom of the support 12 is connected with the forward stirrer 13-1 and the reverse stirrer 13-2 in a transmission way through a rotating shaft. The powder is dispersed to the left and right by the forward stirrer 13-1 and the reverse stirrer 13-2. The forward stirrer 13-1 and the reverse stirrer 13-2 can work simultaneously so as to more quickly break up the accumulated powder and convey the powder to two ends.
As shown in fig. 3, an emergency tightening mechanism 10 is installed on the outer side of the lower pressing plate 8-1, the emergency tightening mechanism 10 comprises a pneumatic assembly 9, and the pneumatic assembly 9 passes through a limiting ring 17 to be in transmission connection with a tightening block 14. In the process of feeding, emergency stop can also occur. So that the feeding and recovery can be stopped timely, an emergency tightening mechanism 10 is arranged outside the lower pressing plate 8-1. The emergency tightening mechanism 10 is arranged outside the lower pressing plate 8-1 and comprises a pneumatic assembly 9. The pneumatic assembly 9 is in transmission connection with the tightening block 14 on the inner side of the limiting ring 17. When the feeding is required to be stopped, the tightening block 14 can be timely contracted inwards, and the feeding port is locked, so that the emergency stopping feeding measure is completed.
As shown in fig. 2, the top of the through pipe 6 is provided with a light-sensitive dust cover 16. In order to improve the safety and sealing of the device, a light-sensitive dust cover 16 which can be controlled by a light-sensitive controller is arranged on the top of the through pipe 6. When no material bag is arranged at the top of the through pipe 6 to shield, the light at the top of the through pipe 6 is strong, and the light-sensitive dust cover 16 is automatically closed to prevent sundries from entering.
As shown in fig. 4, a transferring frame 18 is suspended at the upper end of the slurry mixing tank body 15, the transferring frame 18 is connected with a sliding rail through a sling pulley 18-2, four extending arms 18-1 are welded at the periphery of the transferring frame 18, a plurality of blocking upright posts 18-3 are welded on the upper surface of the extending arms 18-1, and the blocking upright posts 18-3 are in limit connection with pull ropes on a material bag 19. In order to carry the material package 19 weighing several tons to the top end of the slurry mixing tank 15, a transfer rack 18 is mounted on a slide rail of the carrying material package 19. The transfer frame 18 limits the material bags 19 on the transfer frame 18 through a pull rope. Four-point symmetrical extension arm 18-1 at the weight of the effective dispersion package 19. However, when the number of times of use of the transfer rack 18 is excessive, there is a possibility that the stretch slip on the bag 19 occurs, so that an unnecessary accident occurs. Therefore, a plurality of blocking upright posts 18-3 are welded on the extension arm 18-1, so that the pull ropes on the material bag 19 are limited between the blocking upright posts 18-3. When the pull rope slides down, multiple safety guarantees can be obtained through the blocking upright post 18-3.
In conclusion, the method comprises the steps of, the invention adopts a mode of higher blanking to carry out the mixing processing of the powder. In order to ensure that the powder in the tonnage can safely and stably fall on a pulp mixing machine, the pressure of the pulp mixing machine is reduced by two groups of air pumps and pneumatic devices. Meanwhile, an emergency receiving device is arranged at the feeding port, so that emergency stopping measures can be effectively carried out on the powder.
While particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely illustrative, and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined only by the appended claims.
Claims (5)
1. A lithium battery slurry mixing and feeding protection system comprises a slurry mixing tank body and an alloy bracket, a slurry mixing tank body is arranged at the center of the bottom of the alloy bracket; the method is characterized in that: a hexagonal frame (1-1) is arranged at the center of the top end of the alloy bracket (1), and an annular supporting frame (5) is connected to the hexagonal frame (1-1); the slurry mixing tank is characterized in that a through pipe (6) is arranged at the center of the top end of the slurry mixing tank body (15), a lower pressing plate (8-1) is paved on the periphery of the through pipe (6), a plurality of pneumatic components (9) are arranged on the lower pressing plate (8-1), the pneumatic components (9) are in control connection with a second air pump (11) through an air pipe, the pneumatic components (9) are in transmission connection with an upper pressing plate (8-2) through a push rod, an extrusion pipe (7) is arranged at the center of the upper pressing plate (8-2), and the inner diameter of the extrusion pipe (7) is larger than that of the through pipe (6); the slurry mixing tank is characterized in that a transfer frame (18) is hung at the upper end of the slurry mixing tank body (15), the transfer frame (18) is connected with a sliding rail through a sling pulley (18-2), four extension arms (18-1) are welded on the periphery of the transfer frame (18), a plurality of barrier upright posts (18-3) are welded on the upper surface of each extension arm (18-1), and the barrier upright posts (18-3) are in limiting connection with pull ropes on a material bag (19).
2. The lithium battery slurry mixing and feeding protection system according to claim 1, wherein: four slope tables (4) are arranged at the periphery of the hexagonal frame (1-1), pneumatic pushers (3) are arranged on the four slope tables (4), the head ends of the pneumatic pushers (3) are connected with a bearing plate (3-1), and the pneumatic pushers (3) are in control connection with a first air pump (2) at the legs and feet of the alloy bracket (1) through air pipes.
3. The lithium battery slurry mixing and feeding protection system according to claim 1, wherein: the bottom of the slurry mixing tank body (15) is provided with a support (12), and a motor at the upper end of the support (12) is in transmission connection with the forward stirrer (13-1) and the reverse stirrer (13-2) through a rotating shaft.
4. The lithium battery slurry mixing and feeding protection system according to claim 1, wherein: an emergency tightening mechanism (10) is arranged on the outer side of the lower pressing plate (8-1), the emergency tightening mechanism (10) comprises a pneumatic assembly (9), and the pneumatic assembly (9) penetrates through a limiting ring (17) to be in transmission connection with a tightening block (14).
5. The lithium battery slurry mixing and feeding protection system according to claim 1, wherein: the top of the through pipe (6) is provided with a light-sensitive dust cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244893.4A CN107930517B (en) | 2017-11-30 | 2017-11-30 | Lithium battery slurry mixing and feeding protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244893.4A CN107930517B (en) | 2017-11-30 | 2017-11-30 | Lithium battery slurry mixing and feeding protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107930517A CN107930517A (en) | 2018-04-20 |
| CN107930517B true CN107930517B (en) | 2024-02-02 |
Family
ID=61947195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711244893.4A Active CN107930517B (en) | 2017-11-30 | 2017-11-30 | Lithium battery slurry mixing and feeding protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107930517B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003036267A2 (en) * | 2001-10-19 | 2003-05-01 | Monogen, Inc. | Filtration system and method for obtaining a cytology layer |
| CN106185079A (en) * | 2016-08-16 | 2016-12-07 | 中航锂电（洛阳）有限公司 | A kind of feeding device and conjunction sizing device |
| CN206606780U (en) * | 2017-03-24 | 2017-11-03 | 石家庄荣信科技有限公司 | The mechanism of decompressor in improved storage bin |
| CN208340647U (en) * | 2017-11-30 | 2019-01-08 | 中航锂电（江苏）有限公司 | Lithium battery, which closes, starches the guard system that feeds intake |
-
2017
- 2017-11-30 CN CN201711244893.4A patent/CN107930517B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003036267A2 (en) * | 2001-10-19 | 2003-05-01 | Monogen, Inc. | Filtration system and method for obtaining a cytology layer |
| CN106185079A (en) * | 2016-08-16 | 2016-12-07 | 中航锂电（洛阳）有限公司 | A kind of feeding device and conjunction sizing device |
| CN206606780U (en) * | 2017-03-24 | 2017-11-03 | 石家庄荣信科技有限公司 | The mechanism of decompressor in improved storage bin |
| CN208340647U (en) * | 2017-11-30 | 2019-01-08 | 中航锂电（江苏）有限公司 | Lithium battery, which closes, starches the guard system that feeds intake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107930517A (en) | 2018-04-20 |
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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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 213200 Jiangdong Avenue 1, Jintan District, Jiangsu, Changzhou Applicant after: AVIC lithium Technology Co.,Ltd. Address before: 213200 Jiangdong Avenue 1, Jintan District, Jiangsu, Changzhou Applicant before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Applicant after: AVIC lithium Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Applicant before: AVIC lithium Technology Co.,Ltd. Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Applicant after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Applicant before: AVIC lithium Technology Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |