CN204330936U - A kind of lithium ion battery short-circuit test device - Google Patents
A kind of lithium ion battery short-circuit test device Download PDFInfo
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- CN204330936U CN204330936U CN201420766422.5U CN201420766422U CN204330936U CN 204330936 U CN204330936 U CN 204330936U CN 201420766422 U CN201420766422 U CN 201420766422U CN 204330936 U CN204330936 U CN 204330936U
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Abstract
The utility model provides a kind of lithium ion battery short-circuit test device, comprise support, support is provided with battery core compressing structure and lug compressing structure, described battery core compressing structure comprise battery core location-plate and corresponding be arranged on above battery core location-plate for battery core being compressed the battery core pressing plate be positioned on battery core location-plate, battery core pressing plate is driven by pressing plate driving mechanism and moves back and forth along the vertical direction, described lug compressing structure comprise lug backing plate and corresponding be arranged on above lug backing plate for pressing the test probe of conductive contact with the lug top of the battery core set up on lug backing plate, test probe is moved back and forth along the vertical direction by driving mechanism of popping one's head in.Battery core pressing plate is driven to move down by pressing plate driving mechanism, test probe is driven to move down by probe driving mechanism, individually can control the stroke of battery core pressing plate and test probe like this, make both that mutual interference, interference can not occur, improve usable range and the flexibility of operation of proving installation.
Description
Technical field
The utility model relates to a kind of lithium ion battery short-circuit test device.
Background technology
For lithium ion battery, because battery core short circuit in battery directly can reduce the security performance of battery, even can cause naked light time serious or blast, affect personal safety, so in lithium ion battery production run, need to carry out short-circuit test to battery core after lamination operation completes, this test is the rigid standard directly judging product quality.
Traditional method of testing mainly battery core in a free state, is manually tested the resistance between cell polar ear, and then judges the whether short circuit of group inside, pole.But there are problems in use in the method for this manual test, first, because battery core is in revocable free state, when carrying out engaged test to the lug in battery core, battery core can stressed movement, the effective electrical contact with lug cannot be ensured, even if there is short circuit hidden danger in battery core, sometimes also cannot detect, affect measurement result, if and manually battery core is compressed, need appropriation of labour power again, test is comparatively inconvenience also, and, when tester manually carries out test operation, easily there is the measuring error brought because of the problem of individual power of test, also there is the problem that testing efficiency is lower.
Summary of the invention
The utility model provides a kind of lithium ion battery short-circuit test device, is in free state easily affects technical matters to the short-circuit test that battery carries out to solve battery core in prior art.
The technical scheme of lithium ion battery short-circuit test device provided by the utility model is: lithium ion battery short-circuit test device, comprise support, support is provided with battery core compressing structure and lug compressing structure, described battery core compressing structure comprise battery core location-plate and corresponding be arranged on above battery core location-plate for battery core being compressed the battery core pressing plate be positioned on battery core location-plate, battery core pressing plate is driven by pressing plate driving mechanism and moves back and forth along the vertical direction, described lug compressing structure comprise lug backing plate and corresponding be arranged on above lug backing plate for pressing the test probe of conductive contact with the lug top of the battery core set up on lug backing plate, test probe is moved back and forth along the vertical direction by driving mechanism of popping one's head in.
Described support is also provided with spacing for detecting described battery core pressing plate and battery core location-plate to measure the thickness measure structure of battery core gauge, battery core pressing plate has the crimping plane for compressing battery core, described thickness measure structure comprises installation displacement transducer on the bracket, and displacement transducer has and synchronously assembles with the carriage release lever inputted by the displacement signal of battery core pressing plate in displacement transducer with described battery core pressing plate.
Described battery core location-plate, battery core pressing plate and lug backing plate are insulcrete.
Described pressing plate driving mechanism extends the guide frame guiding movement assembling of above-below direction extension on the bracket by guide direction, pressing plate driving mechanism comprises the drive plate that drive plate and clutch end and drive plate be connected and drives cylinder, described battery core pressing plate and described drive plate is fixing assembles.
Described guide frame comprises the guidepost extended along the vertical direction and the linear bearing coordinated with described guidepost guiding movement arranged on the bracket, and described guidepost is installed on described drive plate.
Described drive plate is provided with buffer structure, and buffer structure comprises two oil buffers being arranged in the relative both sides of drive plate, and two oil buffers have respectively for pushing up the buffering contact being pressed in described support corresponding position down.
Described drive plate drives in the air inlet gas circuit of cylinder and is serially connected with pressure-detecting device.
Described probe driving mechanism comprises probe installing plate and installing plate drives cylinder, and described test probe is arranged on described probe installing plate, and described probe installing plate and described installing plate drive the clutch end of cylinder to be fixedly connected with.
Described test probe comprises motion bar, motion bar along the vertical direction guiding movement is installed in the mounting hole on described probe installing plate, the lower end of motion bar is installed with the contact part for pressing with the lug top in battery core, motion bar is set with the buffer spring applying the acting force forcing motion bar to move down to motion bar, the upper end passing the mounting hole of described probe installing plate of motion bar is provided with and spacingly with described probe installing plate block coordinates to prevent motion bar under buffer spring effect, deviating from the anticreep step of described mounting hole downwards.
Described installing plate drives between cylinder and described support and is provided with insulating base.
The beneficial effects of the utility model are: lithium ion short-circuit test device provided by the utility model in use, battery battery core to be measured is placed on battery core location-plate, and make the lug correspondence in battery core be placed on lug backing plate, then battery core pressing plate is driven to move down to compress battery core by pressing plate driving mechanism, and drive test probe to move down to press conductive contact with the lug top in battery core by probe driving mechanism, and then the short-circuit test to battery core can be realized.In whole test process, battery core is gripped by battery core pressing plate and the cooperation of battery core location-plate, and when test probe top is pressed on lug, battery core there will not be movement, can ensure that the lug in battery core contacts with the effective of test probe, improves measuring accuracy.And, battery core pressing plate is driven to move down by pressing plate driving mechanism, test probe is driven to move down by probe driving mechanism, individually can control the stroke of battery core pressing plate and test probe like this, make both that mutual interference, interference can not occur, improve usable range and the flexibility of operation of proving installation.
Further, support is provided with thickness measure structure to detect the spacing of battery core pressing plate and battery core location-plate, and then can measures battery core thickness.
Further, the carriage release lever of thickness measure structure and battery core pressing plate synchronously assemble, the displacement signal of battery core pressing plate can be inputed to displacement transducer by carriage release lever, when battery core pressing plate contacts with battery core location-plate, the signal that displacement transducer record is now inputted by carriage release lever, and when battery core pressing plate compresses the battery core be placed on battery core location-plate downwards, the signal that displacement transducer record is now inputted by carriage release lever, two signals are done the spacing that difference can obtain battery core location-plate and centering pressing plate, thus obtain battery core thickness.
Further, led by the movement of guide frame to battery core compressing structure, improve the moving stability of battery core pressing plate.
Further, drive plate is provided with buffer structure, when drive plate moves downward with battery core pressing plate, buffering can be formed by two oil buffers to drive plate, prevent overshoot, ensure whole proving installation.
Further, drive at drive plate in the air inlet gas circuit of cylinder and be provided with pressure-detecting device, detected by the air pressure of pressure-detecting device to air inlet gas circuit, thus control to enter the air pressure in drive plate driving cylinder, control the amount of force that drive plate drives cylinder, prevent drive plate from causing excessive punching press with battery core pressing plate to battery core, and then cause damage to battery core.
Further, motion bar is provided with buffer spring, contact part forms resilient engagement with lug, avoid the infringement that rigid shock brings to lug, simultaneously, drive cylinder to move back and forth along the vertical direction with whole test probe by installing plate, can improve the stroke range of whole test probe like this, the trip scope is that installing plate drives the shift motion of the clutch end of cylinder to add the adjustment stroke of buffer spring.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of lithium ion battery short-circuit test device provided by the utility model;
Fig. 2 is the partial structurtes schematic diagram of battery core compressing structure in Fig. 1;
Fig. 3 is the partial structurtes schematic diagram of lug compressing structure in Fig. 1.
Embodiment
As shown in Figure 1 to Figure 3, a kind of embodiment of lithium ion battery short-circuit test device, proving installation in this embodiment comprises support, support primarily of base 1, be installed in insulating base 2 on base 1 and relative spacing and be installed in two on insulating base 2 and support floors 12 and formed, support is provided with battery core compressing structure and lug compressing structure, battery core compressing structure is herein for press-fiting fixing battery core to be tested, and lug compressing structure is mainly used to compress the lug in battery core, after battery core and lug correspondence being fixed, then carry out short-circuit test.
Above-mentioned battery core compressing structure comprise battery core location-plate 17 and corresponding be arranged on above battery core location-plate 17 for battery core being compressed the battery core pressing plate 4 be positioned on battery core location-plate 17, battery core location-plate 17 is installed on insulating base 2, battery core pressing plate herein 4 is driven by pressing plate driving mechanism and moves back and forth along the vertical direction, pressing plate driving mechanism comprises the drive plate that drive plate 5 and clutch end and described drive plate 5 be connected and drives cylinder 9, support bridge joint between floor 12 at two of support and have air cylinder fixed plate 19, drive plate drives cylinder 9 to be installed in air cylinder fixed plate 19, drive plate drives the piston rod as Power output portion of cylinder 9 to be fixedly connected with drive plate 5, battery core pressing plate 4 assembles with drive plate 5 is fixing, drive plate drive cylinder 9 control drive plate 5 move back and forth up and down time, battery core pressing plate 4 is also followed drive plate 5 and is synchronously moved up and down.Pressing plate driving mechanism extends the guide frame guiding movement assembling of above-below direction extension on the bracket by guide direction, guide frame herein mainly comprises the guidepost 14 extended along the vertical direction and the linear bearing 13 coordinated with described guidepost 14 guiding movement arranged on the bracket, and described guidepost 14 is installed on described drive plate 5.
In addition, because drive plate drives cylinder to control drive plate and moves down to compress battery core, for preventing from causing overvoltage to battery core and damaging battery core, drive plate is provided with buffer structure to be formed spacing and buffering to the lower formation of drive plate, buffer structure herein mainly comprises two oil buffer 15, two oil buffers 15 being arranged in the relative both sides of drive plate 5 and has the buffering contact pushing up and be pressed in described support corresponding position respectively down.
In addition, for controlling the clamping force that drive plate applies to battery core with battery core pressing plate, drive at drive plate in the air inlet gas circuit of cylinder and be serially connected with pressure-detecting device, this pressure-detecting device is digital pressure gauge 7, this digital pressure gauge 7 is installed on instrument installation panel 8, and instrument installation panel 8 then bridge joint is fixed between two support floors 12.
Above-mentioned lug compressing structure comprise lug backing plate 18 and corresponding be arranged on above lug backing plate 18 for pressing the test probe 16 of conductive contact with the lug top of the battery core set up on lug backing plate, test probe 16 is moved back and forth along the vertical direction by probe driving mechanism, probe driving mechanism comprises probe installing plate 30 and installing plate drives cylinder 6, test probe 16 is arranged on described probe installing plate 30, described probe installing plate 30 and described installing plate drive the clutch end of cylinder 6 to be fixedly connected with, installing plate drives cylinder 6 to be installed on instrument installation panel 8, and insulating pad 20 is provided with between installing plate driving cylinder 6 and instrument installation panel 8.
Installing plate is herein provided with two test probes 12, each test probe 12 includes motion bar, motion bar along the vertical direction guiding movement is installed in the mounting hole on described probe installing plate 30, the lower end of motion bar is installed with the contact part for pressing with the lug top in battery core, motion bar is set with the buffer spring applying the acting force forcing motion bar to move down to motion bar, the upper end passing the mounting hole of described probe installing plate of motion bar is provided with and spacingly with described probe installing plate block coordinates to prevent motion bar under buffer spring effect, deviating from the anticreep step of described mounting hole downwards.
In the present embodiment, battery core location-plate, battery core pressing plate and lug backing plate are insulcrete.
In addition, the proving installation provided in the present embodiment not only can carry out short-circuit test to battery core, can also measure battery core thickness, specifically, support is also provided with spacing for detecting described battery core pressing plate 4 and battery core location-plate 17 to measure the thickness measure structure of battery core gauge, battery core pressing plate 4 has the crimping plane for compressing battery core, described thickness measure structure comprises the displacement transducer 10 be arranged in above-mentioned air cylinder fixed plate 19, displacement transducer 10 has assemble with the carriage release lever that the displacement signal of battery core pressing plate inputted in displacement transducer synchronous with described battery core pressing plate 4.Further, displacement transducer 10 signal output part be installed in the thickness Displaying Meter signal communication of instrument installation panel 8.
When using above-mentioned proving installation to carry out short-circuit test to battery core, the utility model adopt two independently cylinder as drive unit, and controlled the motion of two cylinders respectively by two reversal valves 3.Battery core to be measured be placed on battery core location-plate 17, now cell polar ear rides on lug cushion block 18.Drive battery core pressing plate 4 and test probe 16 to move down by reversal valve 3 control cylinder, battery core pressing plate 4 compresses battery core, and the contact part of test probe compresses lug.Two test probes are connected with the both positive and negative polarity of short circuit tester respectively, can carry out short-circuit test to battery core.
And, when the proving installation that above-described embodiment provides runs first, controlling drive plate drives air cylinder driven battery core pressing plate 4 to be pressed on battery core location-plate 17, the thickness Displaying Meter 11 that the signal output part of displacement transducer 10 is connected arranges zero, and the surface namely arranging battery core location-plate 17 is thickness measuring zero point.After this, when battery core pressing plate 4 is pressed in battery core, battery core pressing plate 4 is relative to the test displacement at zero point and the thickness of battery core.
And digital pressure gauge 7 is serially connected in the air inlet gas circuit of drive plate driving cylinder 9, for measuring cylinder interior gas pressure when compressing battery core in real time, the dynamics be carried in battery core can be calculated in conjunction with cylinder bore.This rain glass of real time monitoring, can prevent from, because bleed pressure change causes loading dynamics to change, improving test dynamics consistance.
In above-described embodiment, independently air cylinder driven battery core pressing plate and test probe move back and forth along the vertical direction to adopt two respectively, in other embodiments, also can by other direct acting driving mechanism as the mechanism such as electric pushrod or hydraulic cylinder drives battery core pressing plate and test probe to move up and down.
Claims (10)
1. a lithium ion battery short-circuit test device, it is characterized in that: comprise support, support is provided with battery core compressing structure and lug compressing structure, described battery core compressing structure comprise battery core location-plate and corresponding be arranged on above battery core location-plate for battery core being compressed the battery core pressing plate be positioned on battery core location-plate, battery core pressing plate is driven by pressing plate driving mechanism and moves back and forth along the vertical direction, described lug compressing structure comprise lug backing plate and corresponding be arranged on above lug backing plate for pressing the test probe of conductive contact with the lug top of the battery core set up on lug backing plate, test probe is moved back and forth along the vertical direction by driving mechanism of popping one's head in.
2. lithium ion battery short-circuit test device according to claim 1, it is characterized in that: described support is also provided with spacing for detecting described battery core pressing plate and battery core location-plate to measure the thickness measure structure of battery core gauge, battery core pressing plate has the crimping plane for compressing battery core, described thickness measure structure comprises installation displacement transducer on the bracket, and displacement transducer has and synchronously assembles with the carriage release lever inputted by the displacement signal of battery core pressing plate in displacement transducer with described battery core pressing plate.
3. lithium ion battery short-circuit test device according to claim 1, is characterized in that: described battery core location-plate, battery core pressing plate and lug backing plate are insulcrete.
4. the lithium ion battery short-circuit test device according to claim 1 or 2 or 3, it is characterized in that: described pressing plate driving mechanism extends the guide frame guiding movement assembling of above-below direction extension on the bracket by guide direction, pressing plate driving mechanism comprises the drive plate that drive plate and clutch end and drive plate be connected and drives cylinder, described battery core pressing plate and described drive plate is fixing assembles.
5. lithium ion battery short-circuit test device according to claim 4, it is characterized in that: described guide frame comprises the guidepost extended along the vertical direction and the linear bearing coordinated with described guidepost guiding movement arranged on the bracket, and described guidepost is installed on described drive plate.
6. lithium ion battery short-circuit test device according to claim 4, it is characterized in that: described drive plate is provided with buffer structure, buffer structure comprises two oil buffers being arranged in the relative both sides of drive plate, and two oil buffers have respectively for pushing up the buffering contact being pressed in described support corresponding position down.
7. lithium ion battery short-circuit test device according to claim 4, is characterized in that: described drive plate drives in the air inlet gas circuit of cylinder and is serially connected with pressure-detecting device.
8. the lithium ion battery short-circuit test device according to claim 1 or 2 or 3, it is characterized in that: described probe driving mechanism comprises probe installing plate and installing plate drives cylinder, described test probe is arranged on described probe installing plate, and described probe installing plate and described installing plate drive the clutch end of cylinder to be fixedly connected with.
9. lithium ion battery short-circuit test device according to claim 8, it is characterized in that: described test probe comprises motion bar, motion bar along the vertical direction guiding movement is installed in the mounting hole on described probe installing plate, the lower end of motion bar is installed with the contact part for pressing with the lug top in battery core, motion bar is set with the buffer spring applying the acting force forcing motion bar to move down to motion bar, the upper end passing the mounting hole of described probe installing plate of motion bar is provided with and spacingly with described probe installing plate block coordinates to prevent motion bar under buffer spring effect, deviating from the anticreep step of described mounting hole downwards.
10. lithium ion battery short-circuit test device according to claim 8, is characterized in that: described installing plate drives between cylinder and described support and is provided with insulating base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420766422.5U CN204330936U (en) | 2014-12-08 | 2014-12-08 | A kind of lithium ion battery short-circuit test device |
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| CN201420766422.5U CN204330936U (en) | 2014-12-08 | 2014-12-08 | A kind of lithium ion battery short-circuit test device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107219383A (en) * | 2017-07-28 | 2017-09-29 | 江苏凯尔生物识别科技有限公司 | Justifying fingerprint module automatic testing equipment |
| CN107727985A (en) * | 2017-07-14 | 2018-02-23 | 东莞市创明电池技术有限公司 | A kind of battery core short-circuit test mechanism and method of testing |
| CN109342953A (en) * | 2018-09-28 | 2019-02-15 | 力神动力电池系统有限公司 | A kind of compression survey short-circuiting means of lithium ion soft-package battery |
| CN109444626A (en) * | 2018-10-26 | 2019-03-08 | 浙江丰源智能装备有限公司 | Short-circuit test system and its working method between a kind of motor commutation device piece |
| CN109444754A (en) * | 2018-11-06 | 2019-03-08 | 东莞市恒翼能自动化有限公司 | A kind of soft package lithium battery automatic test machine structure and equipment |
| CN109520705A (en) * | 2018-11-12 | 2019-03-26 | 上海出入境检验检疫局机电产品检测技术中心 | A kind of Liftable type lighting apparatus test device |
| CN109581061A (en) * | 2018-12-21 | 2019-04-05 | 福建冠城瑞闽新能源科技有限公司 | A kind of hot pressing measuring resistance machine of battery core |
| CN110039461A (en) * | 2019-03-13 | 2019-07-23 | 江苏理工学院 | A kind of Portable metal thin plate head clamping device |
| CN113644323A (en) * | 2021-07-30 | 2021-11-12 | 珠海冠宇电池股份有限公司 | Equipment for improving bonding force of lithium cell diaphragm |
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- 2014-12-08 CN CN201420766422.5U patent/CN204330936U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107727985A (en) * | 2017-07-14 | 2018-02-23 | 东莞市创明电池技术有限公司 | A kind of battery core short-circuit test mechanism and method of testing |
| CN107219383A (en) * | 2017-07-28 | 2017-09-29 | 江苏凯尔生物识别科技有限公司 | Justifying fingerprint module automatic testing equipment |
| CN109342953A (en) * | 2018-09-28 | 2019-02-15 | 力神动力电池系统有限公司 | A kind of compression survey short-circuiting means of lithium ion soft-package battery |
| CN109444626A (en) * | 2018-10-26 | 2019-03-08 | 浙江丰源智能装备有限公司 | Short-circuit test system and its working method between a kind of motor commutation device piece |
| CN109444626B (en) * | 2018-10-26 | 2024-04-26 | 浙江丰源智能装备有限公司 | Short circuit test system between motor phase changer sheets and working method thereof |
| CN109444754A (en) * | 2018-11-06 | 2019-03-08 | 东莞市恒翼能自动化有限公司 | A kind of soft package lithium battery automatic test machine structure and equipment |
| CN109444754B (en) * | 2018-11-06 | 2019-09-24 | 广东恒翼能科技有限公司 | A kind of soft package lithium battery automatic test machine structure and equipment |
| CN109520705A (en) * | 2018-11-12 | 2019-03-26 | 上海出入境检验检疫局机电产品检测技术中心 | A kind of Liftable type lighting apparatus test device |
| CN109581061A (en) * | 2018-12-21 | 2019-04-05 | 福建冠城瑞闽新能源科技有限公司 | A kind of hot pressing measuring resistance machine of battery core |
| CN109581061B (en) * | 2018-12-21 | 2023-09-19 | 福建冠城瑞闽新能源科技有限公司 | Hot-pressing resistor measuring machine for battery cell |
| CN110039461A (en) * | 2019-03-13 | 2019-07-23 | 江苏理工学院 | A kind of Portable metal thin plate head clamping device |
| CN113644323A (en) * | 2021-07-30 | 2021-11-12 | 珠海冠宇电池股份有限公司 | Equipment for improving bonding force of lithium cell diaphragm |
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Effective date of registration: 20160202 Address after: 213299 Jintan Road, Jintan District, Jiangsu, No. 88, No. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: 471003 Henan city of Luoyang province high tech Development Zone Binhe Road No. 66 Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213200 Jiangdong Avenue 1, Jintan District, Jiangsu, Changzhou Patentee after: AVIC lithium Technology Co.,Ltd. Address before: 213299 No. 88, Jintan Avenue, Jintan District, Jiangsu, Changzhou Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC lithium Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC lithium Technology Co.,Ltd. Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC lithium Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220428 Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology (Jiangsu) Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: Zhongchuangxin Aviation Technology Co.,Ltd. |