CN105119571A - Silicon solar cell defect on-line detection device - Google Patents
Silicon solar cell defect on-line detection device Download PDFInfo
- Publication number
- CN105119571A CN105119571A CN201510518941.9A CN201510518941A CN105119571A CN 105119571 A CN105119571 A CN 105119571A CN 201510518941 A CN201510518941 A CN 201510518941A CN 105119571 A CN105119571 A CN 105119571A
- Authority
- CN
- China
- Prior art keywords
- solar cell
- silicon solar
- conveyer chain
- camera
- detection device
- 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.)
- Granted
Links
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a silicon solar cell defect on-line detection device, comprising a first transmission mechanism, a second transmission mechanism, a detection camera obscura, a camera, a DC source and a reflective mirror. Through the first transmission mechanism, a silicon solar cell is transmitted to the detection camera obscura; the DC source in the detection camera obscura loads a certain forward bias voltage for the silicon solar cell; according to the electroluminescent principle, the camera shoots the near infrared image of the silicon solar cell in the reflective mirror, and sends the image to a computer to perform subsequent image processing and defect detection operation; the second transmission structure transmits the silicon solar to a production line from the detection camera obscura. The silicon solar cell defect on-line detection device has the characteristics of simple structure, and high imaging quality, can rapidly and accurately identify effects of the silicon solar cell, reduce silicon material consumption, control production cost, and effectively improve silicon solar cell production monitoring, and defect detection automation and intelligence.
Description
Technical field:
The invention belongs to technical field of solar batteries, specifically relate to a kind of on-line detection device of defects for silicon solar cell.
Background technology:
Since 21 century, World Economics is advanced by leaps and bounds, and the energy that economic development brings consumes excessively has become society matter of utmost importance urgently to be resolved hurrily with ecological deterioration.China is an economic giant, it is again simultaneously the maximum country of an energy resource consumption, and the energy used at present mainly coal, oil, the conventional energy resources such as natural gas, and not high to the utilance of these energy, conventional energy resource non-renewable and the destruction to environment when using, will certainly bring the problem such as the excess waste of resource and the deterioration of environment.Solar energy obtains the extensive attention of every country as a kind of nexhaustible renewable green energy resource.Silicon solar cell has the features such as reliability is high, service time long, the strong adaptability of adverse circumstances, is most popular in solar cell.Defects detection is the core procedure in silicon solar cell manufacture process, because silicon solar cell generally adopts silicon rod cutting to produce, easily sustain damage in process of production, produce rosin joint, hiddenly to split, the problem such as disconnected grid, these problems have a serious impact the conversion efficiency of battery and useful life, by harm the solar panel even stability of photovoltaic generating system.
The existing checkout equipment for silicon solar cell and method mainly contain artificial visually examine and infrared scan detects.Namely artificial visually examine carries out defects detection by artificial visually examine to silicon solar cell, the method labour intensity is high, easily be subject to the impact of the factor such as eyesight, subjective consciousness, health of Quality Inspector, defect index disunity simultaneously, be difficult to adapt to large-scale industrial production demand.Infrared scan detects and namely utilizes laser to take the mode of point by point scanning to scan solar cell, corresponding light-sensitive element can complete the detection to defect, but the method is only applicable to detect the less solar cell of size, limitation is larger, lower to the common defect dipoles accuracy such as disconnected grid, invisible crack.
Summary of the invention:
For this reason, technical problem to be solved by this invention to be in prior art for the checkout equipment of silicon solar cell and method defect index disunity, be not suitable for large-scale industrial production demand, detect that limitation is larger, defects detection precision is low, Detection results is poor, thus proposes a kind of on-line detection device of defects for silicon solar cell.
For achieving the above object, technical scheme of the present invention is as follows:
For an on-line detection device of defects for silicon solar cell, comprising:
First connecting gear, described first connecting gear comprises the first pedestal and is arranged on the first conveyer chain above described first pedestal;
Second connecting gear, described second connecting gear comprises the second pedestal, be arranged on the second conveyer chain above described second pedestal, be arranged on crane below described second pedestal;
Detect camera bellows, described detection camera bellows comprises camera bellows housing, be arranged on the first support and the second support above described camera bellows enclosure interior, be arranged on the 3rd support below described camera bellows enclosure interior, the 4th support be arranged in described camera bellows housing;
Camera, described camera is fixedly installed on described first support, and one end of described camera connects computer;
DC power supply, described DC power supply is fixedly installed on described second support, and described DC power supply is connected with silicon solar cell;
Reflective mirror, described reflective mirror is arranged on described 3rd support;
3rd conveyer chain, described 3rd conveyer chain is arranged on described 4th support, and the first end of described 3rd conveyer chain connects described first conveyer chain, and the second end of described 3rd conveyer chain connects described second conveyer chain.
Preferred as technique scheme, the below of described crane is provided with cylinder, and described crane is elevated under the thrust of described cylinder.
Preferred as technique scheme, two sides that described camera bellows housing is relative are respectively arranged with the first opening and the second opening, the link of described first conveyer chain and described 3rd conveyer chain is by described first opening, and the link of described second conveyer chain and described 3rd conveyer chain is by described second opening.
Preferred as technique scheme, described second conveyer chain is provided with driving shaft away from one end of described detection camera bellows, and described driving shaft is driven by right angle hollow reducing motor.
Preferred as technique scheme, described first conveyer chain, described second conveyer chain, described 3rd conveyer chain form by plastic chain, sprocket wheel and guide rail.
Preferred as technique scheme, described camera is refrigeration-type CCD camera.
Preferred as technique scheme, described DC power supply is adjustable constant voltage dc source.
Preferred as technique scheme, described reflective mirror is planar wave speculum.
Beneficial effect of the present invention is: silicon solar cell is sent to detection camera bellows by the first connecting gear by it, the DC power supply detected in camera bellows loads certain forward bias voltage to silicon solar cell, according to electroluminescent principle, camera is taken the near-infrared image of silicon solar cell in reflective mirror and is sent to computer to carry out follow-up image procossing and defects detection operation, and silicon solar cell is sent out production line by the second transfer structure from detection camera bellows.This structure of the detecting device is simple, image quality is high, fast, accurately can identify the defect of silicon solar cell, reduces silicon materials consumption, controls production cost, effectively improve automation and the intellectuality of silicon solar cell production monitoring and defects detection.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the on-line detection device of defects structural representation for silicon solar cell of one embodiment of the invention;
Fig. 2 is the second connecting gear structural representation of one embodiment of the invention;
Fig. 3 is the detection camera bellows structural representation of one embodiment of the invention.
Symbol description in figure:
1-first connecting gear, 2-second connecting gear, 3-detects camera bellows, 4-camera, 5-DC power supply, 6-reflective mirror, 101-first pedestal, 102-first conveyer chain, 201-second pedestal, 202-second conveyer chain, 203-crane, 204-cylinder, 205-driving shaft, 301-camera bellows housing, 302-first support, 303-second support, 304-the 3rd support, 305-the 4th support, 306-the 3rd driving-chain, 307-first opening, 308-second opening.
Embodiment:
As Fig. 1, the on-line detection device of defects for silicon solar cell of the present invention, comprising: the first connecting gear 1, second connecting gear 2, detection camera bellows 3, camera 4, DC power supply 5 and reflective mirror 6.
The first conveyer chain 102 that described first connecting gear 1 comprises the first pedestal 101 and is arranged on above described first pedestal.Described first connecting gear 1 is arranged on the left side of described detection camera bellows 3, described first conveyer chain 102 is for linear transmission silicon solar cell, described conveyer chain 102 comprises two row's conveyer chains, often arrange conveyer chain to be made up of plastic chain, sprocket wheel and guide rail, the distance of described two row's conveyer chains is less than the width of described silicon solar cell.
As shown in Figure 2, described second connecting gear 2 comprises the second pedestal 201, is arranged on the second conveyer chain 202 above described second pedestal 201, is arranged on crane 203 below described second pedestal 201.The below of described crane 203 is provided with cylinder 204, described crane 203 is elevated under the thrust of described cylinder 204, thus make the silicon solar cell above crane 203 depart from described second conveyer chain 202 and move upward, described silicon solar cell is sent out production line.Described second connecting gear 2 is arranged on the right side of described detection camera bellows 3, and described second conveyer chain 202 is identical with described first conveyer chain 102 structure, comprises two row's conveyer chains, often arranges conveyer chain and is made up of plastic chain, sprocket wheel and guide rail.Described second conveyer chain 202 is provided with driving shaft 205 away from one end of described detection camera bellows 3, described driving shaft is driven by right angle hollow reducing motor, described driving shaft 205 rotates and drives described second conveyer chain 202 straight-ahead motion under the driving of right angle hollow reducing motor, drives described silicon solar cell to move toward next production line.
As shown in Figure 3, described detection camera bellows 3 comprises camera bellows housing 301, is arranged on the first support 302 and the second support 303 above described camera bellows enclosure interior, is arranged on the 3rd support 304 below described camera bellows enclosure interior, the 4th support 305 be arranged in described camera bellows housing.Described 3rd conveyer chain 306 is arranged on described 4th support 305, the first end of described 3rd conveyer chain 306 connects described first conveyer chain 102, second end of described 3rd conveyer chain 306 connects described second conveyer chain 102, described 3rd conveyer chain 306 is identical with the structure of described first conveyer chain 102 and described second conveyer chain 202, comprise two row's conveyer chains, often arrange conveyer chain by plastic chain, sprocket wheel and guide rail composition, i.e. described first conveyer chain 102, described second conveyer chain 202, described 3rd driving-chain 306 can be same conveyer chain, also can be that three conveyer chains connect into and form.Two sides that described camera bellows housing is relative are respectively arranged with the first opening 307 and the second opening 308, the link of described first conveyer chain 102 and described 3rd conveyer chain 306 is by described first opening 307, the link of described second conveyer chain 202 and described 3rd conveyer chain 306 is by described second opening 308, the openings of sizes of described first opening 307 is set to just by the silicon solar cell on described first conveyer chain 102 and described first conveyer chain 102, the openings of sizes of described second opening 308 is set to just by the silicon solar cell 7 on described second conveyer chain 202 and described second conveyer chain 202, described first opening 307 and described second opening 308 are also provided with the open closure automatically declined, detect after in camera bellows 3 when described silicon solar cell is sent to, open closure on described first opening 307 and described second opening 308 automatically declines and blocks described first opening 307 and described second opening 308, light is not entered in described detection camera bellows 3.
Described camera 4 is fixedly installed on described first support 302, and described camera 4 is refrigeration-type CCD camera.One end of described camera 4 connects computer, and the near-infrared image for the silicon solar cell by acquisition is sent in described computer and carries out follow-up image procossing and defects detection operation.Image procossing and defects detection operation mainly comprise to be carried out Image semantic classification, feature extraction, sample training identification to the near-infrared image of the silicon solar cell obtained, obtains testing result.
Described DC power supply 5 is fixedly installed on described second support 303, and described DC power supply 5 is adjustable constant voltage dc source.Described DC power supply is connected with silicon solar cell 7, certain forward bias voltage is provided for giving described silicon solar cell, according to electroluminescent principle, silicon solar cell is when being loaded with forward bias voltage, a large amount of non equilibrium carrier is injected battery by power supply, electroluminescence is exactly constantly luminous with hole-recombination based on a large amount of non equilibrium carriers injected from diffusion region, will present obvious shadow at battery defect position, recycling camera 4 obtains the defect image of silicon solar cell.
Described reflective mirror 6 is arranged on described 3rd support 304.Described reflective mirror 6 is planar wave speculum.When the silicon solar cell size needing to detect is larger, taken by camera completely to enable the near-infrared image of silicon solar cell, need to use described reflective mirror 6 continuation distance, described 3rd support 304 is adjustable support, just to different silicon solar cells, can, by the position regulating the described 3rd direct 304 to regulate reflective mirror 6, make camera can obtain the silicon solar cell near-infrared image of better angle.
The on-line detection device of defects for silicon solar cell described in the present embodiment, comprising: the first connecting gear, the second connecting gear, detection camera bellows, camera, DC power supply and reflective mirror.Silicon solar cell is sent to detection camera bellows by the first connecting gear by it, the DC power supply detected in camera bellows loads certain forward bias power supply to silicon solar cell, according to electroluminescent principle, camera is taken the near-infrared image of silicon solar cell in reflective mirror and is sent to computer to carry out follow-up image procossing and defects detection operation, and silicon solar cell is sent out production line by the second transfer structure from detection camera bellows.This structure of the detecting device is simple, image quality is high, fast, accurately can identify the defect of silicon solar cell, reduces silicon materials consumption, controls production cost, effectively improve automation and the intellectuality of silicon solar cell production monitoring and defects detection.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (8)
1. for an on-line detection device of defects for silicon solar cell, it is characterized in that, comprising:
First connecting gear, described first connecting gear comprises the first pedestal and is arranged on the first conveyer chain above described first pedestal;
Second connecting gear, described second connecting gear comprises the second pedestal, be arranged on the second conveyer chain above described second pedestal, be arranged on crane below described second pedestal;
Detect camera bellows, described detection camera bellows comprises camera bellows housing, be arranged on the first support and the second support above described camera bellows enclosure interior, be arranged on the 3rd support below described camera bellows enclosure interior, the 4th support be arranged in described camera bellows housing;
Camera, described camera is fixedly installed on described first support, and one end of described camera connects computer;
DC power supply, described DC power supply is fixedly installed on described second support, and described DC power supply is connected with silicon solar cell;
Reflective mirror, described reflective mirror is arranged on described 3rd support;
3rd conveyer chain, described 3rd conveyer chain is arranged on described 4th support, and the first end of described 3rd conveyer chain connects described first conveyer chain, and the second end of described 3rd conveyer chain connects described second conveyer chain.
2. the on-line detection device of defects for silicon solar cell according to claim 1, it is characterized in that: the below of described crane is provided with cylinder, described crane is elevated under the thrust of described cylinder.
3. the on-line detection device of defects for silicon solar cell according to claim 1, it is characterized in that: two sides that described camera bellows housing is relative are respectively arranged with the first opening and the second opening, the link of described first conveyer chain and described 3rd conveyer chain is by described first opening, and the link of described second conveyer chain and described 3rd conveyer chain is by described second opening.
4. the on-line detection device of defects for silicon solar cell according to claim 3, is characterized in that: described second conveyer chain is provided with driving shaft away from one end of described detection camera bellows, and described driving shaft is driven by right angle hollow reducing motor.
5. the on-line detection device of defects for silicon solar cell according to claim 1, is characterized in that: described first conveyer chain, described second conveyer chain, described 3rd conveyer chain form by plastic chain, sprocket wheel and guide rail.
6. the on-line detection device of defects for silicon solar cell according to claim 1, is characterized in that: described camera is refrigeration-type CCD camera.
7. the on-line detection device of defects for silicon solar cell according to claim 6, is characterized in that: described DC power supply is adjustable constant voltage dc source.
8. the on-line detection device of defects for silicon solar cell according to claim 7, is characterized in that: described reflective mirror is planar wave speculum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518941.9A CN105119571B (en) | 2015-08-21 | 2015-08-21 | The defects of one kind is used for silicon solar cell on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518941.9A CN105119571B (en) | 2015-08-21 | 2015-08-21 | The defects of one kind is used for silicon solar cell on-line measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105119571A true CN105119571A (en) | 2015-12-02 |
| CN105119571B CN105119571B (en) | 2018-01-05 |
Family
ID=54667491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510518941.9A Active CN105119571B (en) | 2015-08-21 | 2015-08-21 | The defects of one kind is used for silicon solar cell on-line measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105119571B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872047A (en) * | 2017-04-26 | 2017-06-20 | 中国联合网络通信集团有限公司 | A kind of temperature testing method of battery, apparatus and system |
| CN108398420A (en) * | 2018-01-31 | 2018-08-14 | 华南理工大学 | The detection device of luminescent material mechanoluminescence performance |
| CN111829952A (en) * | 2020-08-13 | 2020-10-27 | 江南大学 | Silicon solar cell's section layering defect detection device that detects a flaw |
| WO2021057083A1 (en) * | 2019-09-26 | 2021-04-01 | 华为技术有限公司 | Fault detection method and fault detection apparatus for photovoltaic assembly |
| CN113965164A (en) * | 2021-12-20 | 2022-01-21 | 江苏格林保尔新能源有限公司 | Solar cell module defect detection system and method based on convolutional neural network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020181757A1 (en) * | 1998-12-01 | 2002-12-05 | Naoya Takeuchi | Appearance inspection machine and method for concurrently performing defect detection and classification |
| CN103063682A (en) * | 2012-12-25 | 2013-04-24 | 江苏赛拉弗光伏***有限公司 | Cold infrared automatic detector used for solar cell module |
| CN203578233U (en) * | 2013-10-29 | 2014-05-07 | 上海欧普泰科技创业有限公司 | Solar battery cell sorting device |
| CN104722496A (en) * | 2015-03-12 | 2015-06-24 | 中国计量学院 | Online defect detecting and sorting device of photovoltaic cell panel |
-
2015
- 2015-08-21 CN CN201510518941.9A patent/CN105119571B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020181757A1 (en) * | 1998-12-01 | 2002-12-05 | Naoya Takeuchi | Appearance inspection machine and method for concurrently performing defect detection and classification |
| CN103063682A (en) * | 2012-12-25 | 2013-04-24 | 江苏赛拉弗光伏***有限公司 | Cold infrared automatic detector used for solar cell module |
| CN203578233U (en) * | 2013-10-29 | 2014-05-07 | 上海欧普泰科技创业有限公司 | Solar battery cell sorting device |
| CN104722496A (en) * | 2015-03-12 | 2015-06-24 | 中国计量学院 | Online defect detecting and sorting device of photovoltaic cell panel |
Non-Patent Citations (1)
| Title |
|---|
| 陈国华: "《机械机构及应用》", 31 January 2008 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872047A (en) * | 2017-04-26 | 2017-06-20 | 中国联合网络通信集团有限公司 | A kind of temperature testing method of battery, apparatus and system |
| CN108398420A (en) * | 2018-01-31 | 2018-08-14 | 华南理工大学 | The detection device of luminescent material mechanoluminescence performance |
| WO2021057083A1 (en) * | 2019-09-26 | 2021-04-01 | 华为技术有限公司 | Fault detection method and fault detection apparatus for photovoltaic assembly |
| US12009783B2 (en) | 2019-09-26 | 2024-06-11 | Huawei Digital Power Technologies Co., Ltd. | Fault detection method, fault detection apparatus for photovoltaic module and computer-readable storage medium |
| CN111829952A (en) * | 2020-08-13 | 2020-10-27 | 江南大学 | Silicon solar cell's section layering defect detection device that detects a flaw |
| CN113965164A (en) * | 2021-12-20 | 2022-01-21 | 江苏格林保尔新能源有限公司 | Solar cell module defect detection system and method based on convolutional neural network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105119571B (en) | 2018-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105119571A (en) | Silicon solar cell defect on-line detection device | |
| CN203750868U (en) | Computer vision-based burr detection device | |
| CN204556517U (en) | Hot rolled sheet metal surface quality on-line detecting device | |
| CN101378092B (en) | Solar battery and component subfissure detection device and test method | |
| CN103785627A (en) | On-line lithium battery pole piece surface defect detection sorting system and method | |
| CN104184413A (en) | Test method and test device of solar cell panel | |
| CN104458750A (en) | Automatic aluminum profile surface defect detecting equipment based on machine vision | |
| CN204142649U (en) | A kind of online vision inspection apparatus of container breach | |
| CN104458763A (en) | Wide-view surface defect detector | |
| CN102621152A (en) | Surface defect detecting system of crystalline silicon polished wafer | |
| CN207439960U (en) | Solar components fault detection system | |
| CN109378360A (en) | A kind of imbrication component manufacturing line and production technology | |
| CN203011849U (en) | Silicon wafer defect detecting device | |
| CN103048297A (en) | Silicon wafer and silicon solar battery piece defect detecting method | |
| CN202305422U (en) | Silicon wafer and silicon solar cell wafer defect detector | |
| CN105203546A (en) | Online quality detecting method for solar cell | |
| CN103674964B (en) | Thermal infrared imager is used to carry out solar panels defect detecting device | |
| CN201440127U (en) | Defect detection device for solar cells and modules | |
| CN113686892B (en) | Novel bearing surface defect intelligent detection system | |
| CN103018256A (en) | LED (light-emitting diode) defect detecting system | |
| CN103558558B (en) | A kind of silicon solar cell conversion efficiency detection device and detection method | |
| CN201716272U (en) | Online defect rapid test auxiliary system of solar battery module | |
| CN204989055U (en) | Portable solar power battery defect detecting device | |
| CN211700195U (en) | Device for detecting defects of battery piece on line by PL (PL) | |
| CN103662726A (en) | Belt tearing detection method and protective system on basis of machine vision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Wenqing Inventor before: Dong Weiping Inventor before: Shen Peng Inventor before: Dong Hang |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171116 Address after: 523000 Guangdong province Dongguan Songshan Lake high tech Industrial Development Zone Productivity building 406 Applicant after: Dongguan Lianzhou Intellectual Property Operation Management Co.,Ltd. Address before: Wuzhong District Mudu town Mu Xu Road Suzhou Jiangsu province 215000 City No. 65 building 3 Applicant before: SUZHOU SIKABO COMMUNICATION TECHNOLOGY CO., LTD. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190718 Address after: 211806 Buyue Road, 29 Qiaolin Street, Pukou District, Nanjing City, Jiangsu Province, 12 164 blocks Patentee after: Nanjing Huashi Intelligent Technology Co., Ltd. Address before: 523000 Guangdong province Dongguan Songshan Lake high tech Industrial Development Zone Productivity building 406 Patentee before: Dongguan Lianzhou Intellectual Property Operation Management Co.,Ltd. |
|
| TR01 | Transfer of patent right |