CN108398111B - Soft packet of lithium ion power battery thickness measurement equipment - Google Patents
Soft packet of lithium ion power battery thickness measurement equipment Download PDFInfo
- Publication number
- CN108398111B CN108398111B CN201710068047.5A CN201710068047A CN108398111B CN 108398111 B CN108398111 B CN 108398111B CN 201710068047 A CN201710068047 A CN 201710068047A CN 108398111 B CN108398111 B CN 108398111B
- Authority
- CN
- China
- Prior art keywords
- pressure
- lifting
- plate
- lithium ion
- lifting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 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
- 238000005259 measurement Methods 0.000 title description 14
- 239000000523 sample Substances 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 29
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 21
- 238000004088 simulation Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a soft package lithium ion power battery thickness measuring device which comprises a rack, a sample placing platform, a thickness detecting mechanism, a pressure simulating mechanism and an industrial personal computer, wherein the sample placing platform and the pressure simulating mechanism are arranged on the rack, the thickness detecting mechanism comprises a lifting plate, a testing plate, a lifting driving device and a displacement sensor, the lifting driving device is fixedly arranged on the rack, the lifting plate is connected to the rack in a sliding mode in a lifting mode and is in transmission connection with the lifting driving device, the testing plate is located below the lifting plate and is in sliding connection with the lifting plate, the displacement sensor is fixed on the lifting plate, a probe of the displacement sensor is located below the lifting plate, the pressure simulating mechanism is located above the thickness detecting mechanism, and the thickness detecting mechanism and the pressure simulating mechanism are connected into the industrial personal computer. The invention can accurately measure the thickness of the soft package lithium ion power battery.
Description
Technical Field
The invention relates to a battery detection device, in particular to a soft package lithium ion power battery thickness measurement device.
Background
The soft package lithium ion power battery needs to be subjected to thickness detection before being assembled into the battery module, but because the surface of the soft package lithium ion power battery is soft, the soft package lithium ion power battery has relatively stable shape and size under the constraint of the battery module after being assembled into the battery module, and therefore no proper method is adopted for detecting the thickness before the battery is separated after being formed. The existing method for measuring the thickness of the soft package lithium ion power battery is to measure the thickness of the soft package lithium ion power battery according to a conventional mode by using a vernier caliper, but the non-rigid surface of the battery cannot provide a fixed vernier caliper clamping surface, different forces are applied to the surface of the battery to measure the thickness, different detection values can be obtained, the pressure-bearing condition of the surface of a single battery after being installed in a battery module cannot be simulated, when the battery is clamped by using the vernier caliper, the degree to which the vernier caliper is clamped cannot be determined, so that the real parameters of the battery can be obtained, the measurement result is inaccurate, if the battery with the excessive thickness cannot be found, defective products can flow into a module line to be assembled, finally, the thickness of the battery module exceeds the standard, a module plastic support bulges and deforms, and the overall performance of the. The utility model with publication number CN200944041 discloses a lithium ion battery thickness detection device in 5.9.2007, which is characterized in that the device is composed of a base, test blocks and a caliper gauge, wherein the base is in a slope shape, the test blocks supported upwards are correspondingly arranged along two sides of the slope, and two ends of the caliper gauge are fixedly connected with the test blocks supported on two sides of the base correspondingly; a gap is formed between the cylindrical caliper gauge and the upper surface of the base; the upper surface of the base and the surface of the cylindrical caliper gauge are respectively provided with an insulating tape layer. The device has simple structure and convenient use, can not cause battery short circuit in detection, and has accurate thickness detection. The thickness detection device can be widely used for thickness detection and separation in various battery production processes, and the detection standard is reliable. The purpose of detecting batteries with different thicknesses can be achieved by replacing the thickness gauge, and the method is simple and easy to implement. And effectively ensure the surface quality of the battery and reduce the manufacturing cost of the lithium ion battery thickness measuring device. Especially, the effect of improving the thickness detection efficiency of the polymer lithium ion battery and the surface quality of the battery is remarkable. Meanwhile, the method is easy to form industrial scale. But this utility model requires highly to the surface condition of battery, and it can not be according to the thickness difference adjustment pressure size of battery simultaneously, causes to measure thickness inconsistent, is difficult to provide accurate data to the module design.
Disclosure of Invention
The invention provides a soft package lithium ion power battery thickness measuring device which can simulate the pressure bearing condition of a single battery surface after being installed in a battery module, can accurately measure the thickness of a soft package lithium ion power battery and can ensure that the thickness of the assembled battery module reaches the standard.
The technical scheme of the invention is as follows: the utility model provides a soft packet of lithium ion power battery thickness measurement equipment, which comprises a frame, sample place the platform, thickness detection mechanism, pressure simulation mechanism and industrial computer, sample place the platform, pressure simulation mechanism locates in the frame, thickness detection mechanism includes the lifter plate, survey the board, lift drive and displacement sensor, lift drive sets firmly in the frame, the lifter plate liftable ground sliding connection is in the frame and is connected with the lift drive transmission, survey the board and be located the lifter plate below and with lifter plate sliding connection, displacement sensor is fixed in on the lifter plate, displacement sensor's probe is located the lifter plate below, pressure simulation mechanism is located thickness detection mechanism top, thickness detection mechanism, pressure simulation mechanism all inserts the industrial computer. When using this soft packet of lithium ion power battery thickness measurement equipment to measure soft packet of lithium ion power battery, put the battery on sample place the platform, under the control of industrial computer, thickness detection mechanism starts, surveys the board and descends along with the lifter plate, pushes down the battery sample that awaits measuring, surveys the battery sample under the board and can make and survey the board and be in a height, survey the board top and can touch pressure displacement sensor's probe to the numerical value that the thickness with the battery sample measured through displacement sensor reflects. Because the test board is in sliding connection with the lifting board, the test board can adapt to the thickness of the battery sample automatically, the test board keeps contact with the battery sample but has small pressure on the battery sample, the pressure simulation mechanism starts to work afterwards, the battery sample is gradually pressurized until the actual pressure bearing value of the battery in the battery module is equal to or close to the actual pressure bearing value of the battery in the battery module, and the displayed indication of the displacement sensor at the moment is the thickness of the battery in the constraint state of the battery module. According to the invention, the situation that the size of the soft package lithium ion power battery is changed after the soft package lithium ion power battery is installed in the battery module is fully considered when the thickness of the battery is measured, and the measurement condition close to the real working condition is provided for measurement by simulating the pressure bearing condition of the surface of a single battery after the single battery is installed in the battery module, so that the thickness of the soft package lithium ion power battery measured under the condition is a more accurate value close to the reality.
Preferably, the pressure simulation mechanism comprises a pressure device and a pressure sensor which can be touched by the pressure device, the pressure device is fixedly arranged at the top of the frame, the pressure sensor is fixedly arranged on a pressure conduction plate, and the pressure conduction plate is connected to the top of the test plate. Pressure device is used for providing pressure, and the pressure direct action that pressure device applyed is on pressure sensor, again through pressure sensor, pressure conduction board transmit to survey on the board, consequently on the pressure that pressure device provided finally transmits the battery sample through surveying the board, and the pressure size can directly read and feed back to the industrial computer through pressure sensor, controls pressure size to be close the pressure value that the battery received in the battery module, obtain better simulation effect.
As preferred, sliding through has many connecting rods on the lifter plate, and the connecting rod top links firmly on pressure conduction board, and the connecting rod bottom links firmly on surveying the test panel. The connecting rod links firmly on surveying the board, slides again simultaneously and wears to connect on the lifter plate, consequently through the connection of connecting rod, surveys the board and has realized sliding connection with the lifter plate.
Preferably, the connecting rod is provided with an upper limit boss and a lower limit baffle, the upper limit boss is positioned above the lifting plate, and the lower limit baffle is positioned below the lifting plate. The upper limit boss and the lower limit baffle are arranged to limit the relative motion range between the test board and the lifting board, so that the test board is prevented from sliding off the lifting board without limitation in a free state, and damage caused by rigid contact due to the fact that the test board is not limited when being close to the lifting board can be prevented.
Preferably, a slide rail is fixedly arranged on the machine frame, and the lifting plate is connected with the slide rail through a slide block. Through the cooperation of slider and slide rail, sliding connection is realized with comparatively simple structure to lifter plate and frame.
Preferably, the lifting driving device is a lifting cylinder, the lifting cylinder is fixed on the frame, and a piston rod of the cylinder is connected to the lifting plate. The lifting plate is driven to lift by the cylinder, and the lifting plate is simple in structure and easy to implement.
Preferably, the pressure device is a pressurizing cylinder, the pressurizing cylinder is fixed on a supporting plate, and the supporting plate is fixed on the frame. The cylinder is used as a pressure device to pressurize the battery sample, and the structure is simple and easy to implement.
Preferably, a touch control screen and an industrial control display screen are arranged on the machine frame. Set up touch control screen, can provide the operating means that the space occupies for a short time, function integrated level is high, help the outward appearance of equipment to simplify and operate the convenience. The industrial control display screen is arranged to visually display the running state parameters and the measurement parameters of the equipment, so that the running state of the equipment is conveniently monitored, and the measurement result is directly obtained.
The invention has the beneficial effects that:
the measurement accuracy is high. According to the invention, the pressure-bearing condition of the surface of a single battery after being installed in the battery module can be simulated by the pressure simulation mechanism, so that the measurement condition close to the real working condition is provided for measurement, the thickness measurement of the soft package lithium ion power battery is carried out under the condition, the obtained result is closer to the real data, and the accuracy is higher.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural diagram of a thickness detection mechanism according to the present invention;
FIG. 4 is a schematic structural view of another view angle of the thickness detecting mechanism according to the present invention;
fig. 5 is a side view of the thickness detection mechanism of the present invention.
In the figure, 1-machine frame, 2-sample placing platform, 3-lifting plate, 4-testing plate, 5-lifting cylinder, 6-displacement sensor, 7-pressurizing device, 8-pressure sensor, 9-pressure conducting plate, 10-connecting rod, 11-upper limit boss, 12-lower limit baffle, 13-sliding rail, 14-supporting plate, 15-pressure head, 16-touch control screen, 17-industrial control display screen, 18-power general control table, 19-industrial control computer and 20-probe.
Detailed Description
The invention is further illustrated by the following specific embodiments in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 5, the thickness measuring device for the soft package lithium ion power battery comprises a frame 1, a sample placing platform 2, a thickness detecting mechanism, a pressure simulating mechanism and an industrial personal computer 19, wherein the sample placing platform 2, pressure simulation mechanism locates on frame 1, thickness detection mechanism includes lifter plate 3, survey test panel 4, lift drive and four displacement sensor 6, lift drive sets firmly in frame 1, 3 liftable ground sliding connection of lifter plate are in frame 1 and be connected with the lift drive transmission, survey test panel 4 be located lifter plate 3 below and with 3 sliding connection of lifter plate, displacement sensor 6 runs through be fixed in on lifter plate 3, displacement sensor 6's probe 20 is located lifter plate 3 below, pressure simulation mechanism is located thickness detection mechanism top, thickness detection mechanism, pressure simulation mechanism all inserts industrial computer 19. The pressure simulation mechanism comprises a pressure device and a pressure sensor 8 which can be touched by the pressure device, the pressure device is fixedly arranged at the top of the frame 1, the pressure sensor 8 is fixedly arranged on a square pressure conduction plate 9, and the pressure conduction plate 9 is connected to the top of the test plate 4. Four through holes arranged in a square shape are formed in the lifting plate 3, a connecting rod 10 is respectively connected in each through hole in a sliding and penetrating mode, the top end of the connecting rod 10 is fixedly connected to four corners of the pressure conduction plate 9, and the bottom end of the connecting rod 10 is fixedly connected to the test plate 4. Four displacement sensors 6 are also arranged in a square and around the four connecting rods 10. An upper limit boss 11 and a lower limit baffle 12 are arranged on the connecting rod 10, the upper limit boss 11 is positioned above the lifting plate 3, and the lower limit baffle 12 is positioned below the lifting plate 3. Two symmetrical rear columns of the frame 1 are respectively and fixedly provided with a slide rail 13, the rear edge of the lifting plate 3 is fixedly provided with a pair of slide blocks, and the lifting plate 3 is connected with the slide rails 13 through the slide blocks. The lifting driving device is a lifting cylinder 5, the lifting cylinder 5 is fixed on the frame 1, and a piston rod of the lifting cylinder 5 is connected to the lifting plate 3. The pressure device is a pressurizing cylinder 7, the pressurizing cylinder 7 is fixed on a supporting plate 14, the supporting plate 14 is fixed on the rack 1, a piston rod of the pressurizing cylinder 7 is vertically downward, a pressure head 15 is connected to the piston rod of the pressurizing cylinder 7 in a threaded mode, and the position of the pressure head 15 on the piston rod of the pressurizing cylinder 7 is adjustable. The middle of the front of the machine frame 1 is provided with a power master console 18, the power master console 18 is provided with a start/shutdown button and a bar code scanner, and the top of the machine frame 1 is provided with a touch control screen 16 and an industrial control display screen 17.
Before measuring the battery sample, the elevating cylinder 5 is pressed down once to bring the test plate 4 into contact with the product placement table 2, and then the value of the displacement sensor 6 is calibrated to 0.00. When the test is started, a tested battery sample is placed under the test board 4 after scanning a bar code, the lifting cylinder 5 drives the test board 4 to descend to contact with the battery sample under the control of the industrial personal computer, then the pressurizing cylinder 7 applies the same pressure to the battery in the battery module to press the test board 4 tightly, the batteries of different types need different pressure values, the pressure range is 2940N-4900N, and the pressure is monitored and fed back in real time through the pressure sensor 8. Four probes of displacement sensors 6 installed at different positions contact with the test board 4, and the displacement sensors 6 transmit the thickness value to the industrial personal computer 19 and are matched with the bar code of the battery, so that the value is convenient to call and trace back.
Example 2:
six connecting rods 10 are provided. The rest is the same as example 1.
Claims (6)
1. A soft package lithium ion power battery thickness measuring device is characterized by comprising a rack (1), a sample placing platform (2), a thickness detecting mechanism, a pressure simulating mechanism and an industrial personal computer, wherein the sample placing platform (2) and the pressure simulating mechanism are arranged on the rack (1), the thickness detecting mechanism comprises a lifting plate (3), a testing plate (4), a lifting driving device and a displacement sensor (6), the lifting driving device is fixedly arranged on the rack (1), the lifting plate (3) is connected to the rack (1) in a lifting and sliding manner and is in transmission connection with the lifting driving device, the testing plate (4) is positioned below the lifting plate (3) and is in sliding connection with the lifting plate (3), the displacement sensor (6) is fixed on the lifting plate (3), a probe of the displacement sensor (6) is positioned below the lifting plate (3), and the pressure simulating mechanism is positioned above the thickness detecting mechanism, thickness detection mechanism, pressure simulation mechanism all insert the industrial computer, pressure simulation mechanism includes pressure device and can be touched by pressure device's pressure sensor (8), pressure device sets firmly in frame (1) top and exert with the battery module in the pressure compress tightly survey test panel 4 the same to the battery, pressure range is 2940N-4900N, pressure sensor (8) set firmly on a pressure conduction board (9), pressure conduction board (9) are connected at survey test panel (4) top, it has many connecting rods (10) to slide to wear on lifter plate (3), connecting rod (10) top links firmly on pressure conduction board (9), connecting rod (10) bottom links firmly on surveying test panel (4).
2. The soft package lithium ion power battery thickness measuring equipment according to claim 1, characterized in that the connecting rod (10) is provided with an upper limit boss (11) and a lower limit baffle (12), the upper limit boss (11) is located above the lifting plate (3), and the lower limit baffle (12) is located below the lifting plate (3).
3. The soft package lithium ion power battery thickness measuring equipment according to claim 1, characterized in that a slide rail (13) is fixedly arranged on the frame (1), and the lifting plate (3) is connected with the slide rail (13) through a slide block.
4. The soft package lithium ion power battery thickness measuring equipment according to claim 1, characterized in that the lifting driving device is a lifting cylinder (5), the lifting cylinder (5) is fixed on the frame (1), and a piston rod of the lifting cylinder (5) is connected to the lifting plate (3).
5. The soft package lithium ion power battery thickness measuring equipment according to claim 1, characterized in that the pressure device is a pressurizing cylinder (7), the pressurizing cylinder (7) is fixed on a supporting plate (14), and the supporting plate (14) is fixed on the frame (1).
6. The soft package lithium ion power battery thickness measuring equipment according to any one of claims 1 to 5, characterized in that a touch control screen and an industrial control display screen are arranged on the rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068047.5A CN108398111B (en) | 2017-02-07 | 2017-02-07 | Soft packet of lithium ion power battery thickness measurement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710068047.5A CN108398111B (en) | 2017-02-07 | 2017-02-07 | Soft packet of lithium ion power battery thickness measurement equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108398111A CN108398111A (en) | 2018-08-14 |
| CN108398111B true CN108398111B (en) | 2020-03-24 |
Family
ID=63094166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710068047.5A Active CN108398111B (en) | 2017-02-07 | 2017-02-07 | Soft packet of lithium ion power battery thickness measurement equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108398111B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082447B (en) * | 2020-08-01 | 2021-10-26 | 湖南有色金属职业技术学院 | Displacement monitoring device in underground engineering construction |
| CN113607057A (en) * | 2021-07-01 | 2021-11-05 | 广州超音速自动化科技股份有限公司 | Measuring device for measuring battery size |
| CN114951007A (en) * | 2021-07-16 | 2022-08-30 | 杭州多善科技有限公司 | Device for measuring and screening thickness dimension of battery with automatic data reading and storing functions |
| CN116399693B (en) * | 2023-01-13 | 2023-12-01 | 东莞市钰成精密机械有限公司 | Pressure maintaining box pressure point inspection equipment |
| KR102901628B1 (en) * | 2023-12-04 | 2025-12-18 | (주)하나기술 | Leak inspection device through detection of secondary battery cell shape deformation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201094011Y (en) * | 2007-07-23 | 2008-07-30 | 比亚迪股份有限公司 | Thickness measuring apparatus |
| CN201233218Y (en) * | 2008-06-30 | 2009-05-06 | 深圳市比克电池有限公司 | Battery thickness measuring instrument |
| CN201773892U (en) * | 2010-08-03 | 2011-03-23 | 天津力神电池股份有限公司 | A lithium-ion battery pole group shaping and testing equipment |
| KR20140144425A (en) * | 2013-06-11 | 2014-12-19 | 삼성에스디아이 주식회사 | Apparatus for measuring thickness of secondary battery |
| CN203534562U (en) * | 2013-10-28 | 2014-04-09 | 中航锂电（洛阳）有限公司 | Square lithium battery electrical core constant voltage thickness measuring device |
| CN203785652U (en) * | 2014-03-27 | 2014-08-20 | 深圳市美拜电子有限公司 | Electrical core thickness and width test machine |
| CN105423979A (en) * | 2015-12-17 | 2016-03-23 | 佛山市南海区欣源电子有限公司 | Soft-packaged lithium battery thickness measuring device |
| CN105865392B (en) * | 2016-05-25 | 2019-04-05 | 北京新能源汽车股份有限公司 | Measuring device for measuring thickness change of soft package power battery |
-
2017
- 2017-02-07 CN CN201710068047.5A patent/CN108398111B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108398111A (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108398111B (en) | Soft packet of lithium ion power battery thickness measurement equipment | |
| CN207688816U (en) | A kind of thickness detection apparatus of soft-package battery | |
| CN208818190U (en) | The automatic measuring thickness device for measuring electric resistance of battery | |
| CN102706763A (en) | Fruit hardness detection method and special electronic fruit hardness tester | |
| CN208238702U (en) | Hole depth detection fixture | |
| CN106066241A (en) | The measurement apparatus of device of spring stiffness coefficient | |
| CN105510134A (en) | Powder strength tester | |
| CN211452201U (en) | Carbon fiber plate flatness detection device | |
| CN205826278U (en) | The measurement apparatus of device of spring stiffness coefficient | |
| CN211954630U (en) | Compression-shear testing machine | |
| CN218884935U (en) | Product flatness height measuring device | |
| CN214040553U (en) | Multi-spring synchronous detection testing machine | |
| CN219475265U (en) | High-precision circuit board hardness detection device | |
| CN202599775U (en) | Electric fruit sclerometer | |
| CN209263927U (en) | A battery thickness measuring device | |
| CN202975228U (en) | Electrical tester | |
| CN223435861U (en) | A quadruple equal strain direct shear apparatus | |
| CN114739805A (en) | Packing box material plate folding pressure measuring device | |
| CN102269577A (en) | Thickness-measuring instrument | |
| CN115096731A (en) | Automatic shore hardness measuring device and method | |
| CN221803230U (en) | Flexible pressure sensor piezoresistance testing device | |
| CN211121032U (en) | Sample detection device for product design | |
| CN223122718U (en) | Compression resilience testing device | |
| CN210664249U (en) | High-efficient contact size detection machine | |
| CN219347588U (en) | Digital display type quick height inspection tool for swinging rod |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211108 Address after: No.855, Jianshe 2nd Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee after: Wanxiang A123 Co.,Ltd. Address before: No.855 Jianshe Er Road, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Wanxiang A123 Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |