CN204559201U - A kind of split type direct-current charging post of electric automobile and system - Google Patents

A kind of split type direct-current charging post of electric automobile and system Download PDF

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Publication number
CN204559201U
CN204559201U CN201520295088.4U CN201520295088U CN204559201U CN 204559201 U CN204559201 U CN 204559201U CN 201520295088 U CN201520295088 U CN 201520295088U CN 204559201 U CN204559201 U CN 204559201U
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module
charging
split type
type direct
current charging
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王立军
杨勇
胡勇
童晓霖
陈嵩
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Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch
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Shandong Luneng Intelligence Technology Co Ltd
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Abstract

The utility model discloses the split type direct-current charging post of a kind of electric automobile and system, split type direct-current charging post is parallel to and exchanges end, and bus-bar is connected by parallel operation contactor by charging module successively in the charger of each split type direct-current charging post screen body, form loop, the top control module of each split type direct-current charging post, front-collection module is connected with rearmounted acquisition module, rearmounted acquisition module is closed by the shutoff controlling parallel operation contactor and realizes electric energy intelligence sharing of load, the charging module of grouping passes through CAN communication with corresponding direct-current charging post top control module, the charging module of grouping passes through and connects auxiliary relay normally opened contact, be connected with adjacent charging module, form CAN communication loop, the top control module filling direct-current charging post that each charging module is allocated by auxiliary relay and required power when responding power is allocated is connected, carry out centralized control, the utility model charging compound mode flexibly, integrated cost is lower, charging module utilance is high.

Description

A kind of split type direct-current charging post of electric automobile and system
Technical field
The utility model relates to the split type direct-current charging post of a kind of electric automobile and system.
Background technology
The crisis of the traditional energy such as oil, coal is constantly deepened, and atmospheric environment constantly worsens, and energy-conservation and reduction of discharging has become the main direction of future automobile technical development.The continuous breakthrough of the lithium ion battery technology such as LiFePO4, modified lithium manganate is the wide prospect of the universal developing of electric automobile.The construction of thing followed electrically-charging equipment just seems particularly important, and the construction of electrically-charging equipment needs good operation mode as support.
Charging station is equipped with small-sized energy storage station in electrical network valley phase energy storage at night, and the Management plan of electrical network peak period power consumption, can realize " peak load shifting " and to enjoy privileges electrovalence policy, and reduction electrical network is born, and creates good economic benefit and social benefit.Consume energy storage station electric energy fast in the electrical network peak period, and allow electric motor car obtain enough electric energy in the short period of time, high power DC charger is essential.But single pile high-power charger can be full of electric motor car in the electrical network valley phase at night the short time, cause again the problem that charger utilance at night is low.
With regard to DC charging facility in the market:
Chinese patent CN 103904737 A proposes a kind of one two charging scheme filled, and this scheme can only realize single rifle and export, and wherein when a rifle job, another rifle cannot work;
Two fill and electric energy intelligence sharing of load electric automobile direct-current charging post be to upper a kind of charging scheme improve and supplement, rush-harvesting and rush-planting can be realized and work simultaneously.But this scheme needs a large amount of D.C. contactors to realize when power expanding, and cost is higher, and cabinet floor space is larger; Also can only realize rush-harvesting and rush-planting after dilatation to export, single rifle average power is comparatively large, causes the problem that charger utilance at night is low equally.As can be seen here, this charging pile, in charging station construction, has certain limitation.
So, existing be commercially badly in need of that a kind of single pile power is little, floor space is little, can parallel operation work and electric energy intelligence sharing of load, power expansion easily realize that cost is low, charging compound mode flexibly, integrated cost is lower, charging module utilance is high split type direct-current charging post.
Utility model content
The utility model is in order to solve the problem, propose the split type direct-current charging post of a kind of electric automobile and system, the utility model single pile power is little, floor space is little, can parallel operation work and electric energy intelligence sharing of load, power expansion easily realize that cost is low, charging compound mode flexibly, integrated cost is lower, charging module utilance is high, can comparatively perfectly solve a current techniques difficult problem.
To achieve these goals, the utility model adopts following technical scheme:
The split type direct-current charging post of a kind of electric automobile, comprise charging pile body, control system and charger screen body, wherein, described charger screen body connects to exchange to be held, charging pile body connects charger screen body, and control system controls the shutoff of charger screen body and charging pile body;
Described interchange end, comprises and exchanges inlet wire master switch, lightning arrester, interchange row, wherein exchanges inlet wire master switch and is parallel in the row of interchange with lightning arrester;
Described charger screen body, comprises parallel operation contactor, charging module, bus-bar and TC binding post, and described bus-bar is arranged with interchange and is connected by charging module, and one end of TC binding post connects bus-bar, and the other end connects charging pile body; Described bus-bar is connected with parallel operation contactor, and parallel operation contactor is arranged at outside bus-bar;
Described charging pile body, comprise TC binding post, fuse, shunt and DC charging rifle, wherein, one end of described TC binding post is connected with the TC binding post in charger screen body, the other end is connected output contactor by shunt with fuse, and output contactor connects DC charging rifle;
Described control system, comprise top control module, front-collection control module and rearmounted acquisition control module, front-collection control module is connected top control module with rearmounted acquisition control module, and top control module is also connected with the charging module in charger screen body.
Described top control module communicates with administrative center.
Described top control module is connected with display screen, card reader, and described display screen and top control module are by parallel port communication, and card reader and top control module are by RS232 serial communication.
Described rearmounted acquisition module is connected with direct current energy meter by RS485.
The closed shutoff of described rearmounted acquisition module to parallel operation contactor controls.
Described bus-bar is connected with relay of releasing, and relay of releasing connects bleeder resistance, falls the capacitance voltage of charging module for controlled discharge.
The split type direct-current charging post system of a kind of electric automobile, comprise multiple split type direct-current charging post as above, described split type direct-current charging post is parallel to and exchanges end, and bus-bar is connected by parallel operation contactor by charging module successively in the charger of each split type direct-current charging post screen body, form loop, the top control module of each split type direct-current charging post, front-collection module is connected by CAN with rearmounted acquisition module, rearmounted acquisition module is closed by the shutoff controlling parallel operation contactor and realizes electric energy intelligence sharing of load, the charging module of split type direct-current charging post passes through CAN communication with corresponding direct-current charging post top control module, the charging module of split type direct-current charging post passes through and connects auxiliary relay normally opened contact, be connected with the charging module of adjacent split type direct-current charging post, form CAN communication loop, the top control module filling direct-current charging post that the charging module of each split type direct-current charging post is allocated by auxiliary relay and required power when responding power is allocated is connected, by its centralized control.
Described top control module comprises three tunnel CAN, and first via CAN is responsible for communication and preposition, the rearmounted acquisition control module communication of the machine between top control module, and the charging module communication of dividing into groups is responsible on the second tunnel, and electric automobile BMS communication is responsible on the 3rd tunnel.
Described top control module connection management center, monitors split type direct-current charging post operating state in real time and uploads business datum.
The interconnected communication of described multiple split type direct-current charging posts, each single pile top control module adopts the mode of real-time broadcast the machine busy and malfunction to work; Arbitrary single pile master control in multiple split type direct-current charging post, can seize bus control right, is in idle state single pile carries out power adjustment to other.
Described top control module is according to the state of BMS to the demand of charging current and each split type direct-current charging post, and the workload demand of response BMS, rearmounted acquisition module controls parallel operation contactor and charging module communication switches auxiliary relay, carries out power adjustment.
The beneficial effects of the utility model are:
(1) single pile power is little, floor space is little, interior parallel operation work can be organized and electric energy intelligence sharing of load, power expansion easily realize that cost is low, charging compound mode flexibly, integrated cost is lower, charging module utilance is high;
(2) for the Management plan of charging station construction realization " peak load shifting " provides rational electrically-charging equipment solution;
(3) single pile power, the interior pile body quantity of group and charging station planning group number are flexible and changeable, are applicable to various small-sized, medium-sized and large-scale charging station construction.
Accompanying drawing explanation
Fig. 1 is the utility model charging pile and system primary system figure;
Fig. 2 is the utility model charging pile top control module communication schematic diagram;
Fig. 3 is communication schematic diagram between the utility model charging pile and system module;
Fig. 4 is top control module, the charging module communication schematic diagram of the utility model charging pile system.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, for 4 single pile power for 30KW charging pile composition group (but be not limited only to 4, can carry out many parallel operation according to the actual requirements), core technology charging pile being realized to group's parallel operation work is described.
A kind of split type direct-current charging post of electric automobile and system, comprise charger screen body and direct-current charging post;
Charger screen body comprises interchange inlet wire master switch, lightning arrester, interchange row, the charging module of grouping, the positive negative bus of 1#, the positive negative bus of 2#, the positive negative bus of 3#, the positive negative bus of 4#, parallel operation contactor, TC binding post, relay of releasing, bleeder resistance, charging module communication switching auxiliary relay, thermostat, filter fan, miniature circuit breaker, Switching Power Supply, wherein exchanging inlet wire master switch is parallel in the row of interchange with lightning arrester, the row of interchange is connected by charging module with bus-bar, and parallel operation contactor connects on the busbar;
Direct-current charging post comprises TC binding post, fuse, shunt, DC charging rifle, direct current energy meter, top control module, front-collection control module, rearmounted acquisition control module, monitoring power supply, accessory power supply, display screen and card reader, wherein, TC binding post is connected with the TC binding post in charger screen body, top control module connects display screen, card reader, front-collection control module is connected top control module with rearmounted acquisition control module by CAN, top control module communicates in administrative center, and top control module is also connected with the charging module in charger screen body.
Display screen and top control module are by parallel port communication, and card reader and top control module are by RS232 serial communication.
Rearmounted acquisition module is connected with direct current energy meter by RS485.
The closed shutoff of rearmounted acquisition module to parallel operation contactor controls.
The split type direct-current charging post system of a kind of electric automobile, comprise multiple split type direct-current charging post, in described charger screen body, bus-bar is connected by parallel operation contactor by charging module successively, form loop, the top control module of each split type direct-current charging post, front-collection module is connected by CAN with rearmounted acquisition module, rearmounted acquisition module is closed by the shutoff controlling parallel operation contactor and realizes electric energy intelligence sharing of load, the charging module of grouping passes through CAN communication with corresponding direct-current charging post top control module, the charging module of grouping passes through and connects auxiliary relay normally opened contact, be connected with the charging module of adjacent packets, form CAN communication loop, the top control module filling direct-current charging post that the charging module of each grouping is allocated by auxiliary relay and required power when responding power is allocated is connected, by its centralized control.
Top control module comprises three tunnel CAN, and first via CAN is responsible for communication and preposition, the rearmounted acquisition control module communication of the machine between top control module, and the charging module communication of dividing into groups is responsible on the second tunnel, and electric automobile BMS communication is responsible on the 3rd tunnel.
Top control module connection management center, monitors split type direct-current charging post operating state in real time and uploads business datum.
The interconnected communication of multiple split type direct-current charging posts, each single pile top control module adopts the mode of real-time broadcast the machine busy and malfunction to work; Arbitrary single pile master control in multiple split type direct-current charging post, can seize bus control right, and in group, other are in idle state single pile and carry out power adjustment.
Top control module is according to the state of BMS to the demand of charging current and each split type direct-current charging post, and the workload demand of response BMS, rearmounted acquisition module controls parallel operation contactor and charging module communication switches auxiliary relay, carries out power adjustment.
The charging module divided into groups in screen body connects bus-bar, uses nonpolarity parallel operation contactor to get in touch with successively between bus-bar, forms loop, and the rearmounted acquisition module of corresponding pile body turns off to the closed of parallel operation contactor the intelligent parallel operation work controlling to realize charger.In pile body, DC side major loop components and parts are according to maximum current 250A Selection and Design, have shunt and fuse, facilitate direct current collection, direct current energy charging and loop protection.
As shown in Figure 1, when parallel operation contactor is all in off-state, in group, each single pile is independently 30KW charging pile, can 4 work simultaneously; The parallel operation contactor that closed 1# stake controls, can realize interconnected arbitrary single pile 60KW power stage, does not affect 3# stake and 4# stake works alone or interconnected parallel operation work simultaneously; The parallel operation contactor that closed 1# stake and 4# stake control, can realize interconnected arbitrary single pile 90KW power stage, not affect 3# stake single pile simultaneously and work alone; The parallel operation contactor that closed 1# stake, 2# stake and 4# stake control, can realize interconnected arbitrary single pile 120KW power stage.Because the bus-bar that each charging pile is corresponding achieves loop by nonpolarity parallel operation contactor is interconnected, so charging pile can with the flexible charging compound mode of 30KW, 60KW, 90KW and 120KW to 4 cars, 3 cars, 2 cars and 1 car in group, can meet charging station uses high-power quick charge to consume energy storage station electric energy in electrical network peak period, shorten the electric motor car charging interval, to realize again in the electrical network low ebb phase at night 4 cars, simultaneously with the power trickle charge of 30KW, improving the utilance of charging module.
As shown in Figure 2 and Figure 3, top control module uses 3 tunnel CAN, and first via CAN is responsible for communication and preposition, the rearmounted acquisition control module communication of the machine between single pile, and the charging module communication of dividing into groups is responsible on the second tunnel, and electric automobile BMS communication is responsible on the 3rd tunnel.Display screen uses parallel port communication, and card reader uses RS232 serial communication, and direct current energy meter and rearmounted acquisition module, by RS485 communication, realize electric energy tariffing.By Ethernet, backstage can realize centralized monitor to group's charger and management.
In group in interconnected communication, each single pile top control module adopts the mode of real-time broadcast the machine busy and malfunction to work, and comparatively initiatively patrols and examines response, improves efficiency.Arbitrary single pile master control in group, can seize bus control right, and in group, other are in idle state single pile and carry out power adjustment, meet the power demand of charging electric vehicle.Simultaneously, support that charging module CAN communication bus corresponding to the single pile of also responding power allotment also uses auxiliary relay to switch to the master control of allotment charging pile by this, by the charging module of all allotments of allotment charging pile centralized control, improve communication efficiency and the simultaneity to the adjustment of charging module electric current and voltage.
Whole DC charging process comprises four-stage: charging handshake phase, parameter configuration stage, charging stage and charging ending phase.In the parameter configuration stage, the utility model charging pile top control module can according to the state of BMS to each charging pile of the demand of charging current and group, the workload demand of intelligent response BMS, controls parallel operation contactor and charging module communication auxiliary relay, realizes power adjustment.
As shown in Figure 4, the charging module of split type direct-current charging post passes through CAN communication with corresponding direct-current charging post top control module, the charging module of split type direct-current charging post passes through and connects auxiliary relay normally opened contact, be connected with the charging module of adjacent split type direct-current charging post, form CAN communication loop, the top control module filling direct-current charging post that the charging module of each split type direct-current charging post is allocated by auxiliary relay and required power when responding power is allocated is connected, by its centralized control, the top control module that power adjustment fills direct-current charging post is 1, 2, 3, 4# charging pile one of them, refer at this charging pile carrying out charging operations (inner top control module having oneself of each charging pile, top control module and the charging module of its correspondence are (being exactly the second tunnel CAN in fact) that have CAN communication to be connected always, CAN between them also can be connected by the CAN of auxiliary relay with other pile bodies), if it needs the charging module allocating other charging pile correspondence connections, then connect auxiliary relay their CAN is connected, perform the top control module of charging operations pile body, control all charging modules connected.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection range of the present utility model.

Claims (10)

1. the split type direct-current charging post of electric automobile, it is characterized in that: comprise charging pile body, control system and charger screen body, wherein, described charger screen body connects to exchange to be held, charging pile body connects charger screen body, and control system controls the shutoff of charger screen body and charging pile body;
Described interchange end, comprises and exchanges inlet wire master switch, lightning arrester, interchange row, wherein exchanges inlet wire master switch and is parallel in the row of interchange with lightning arrester;
Described charger screen body, comprises parallel operation contactor, charging module, bus-bar and TC binding post, and described bus-bar is arranged with interchange and is connected by charging module, and one end of TC binding post connects bus-bar, and the other end connects charging pile body; Described bus-bar is connected with parallel operation contactor, and parallel operation contactor is arranged at outside bus-bar;
Described charging pile body, comprise TC binding post, fuse, shunt and DC charging rifle, wherein, one end of described TC binding post is connected with the TC binding post in charger screen body, the other end is connected output contactor by shunt with fuse, and output contactor connects DC charging rifle;
Described control system, comprise top control module, front-collection control module and rearmounted acquisition control module, front-collection control module is connected top control module with rearmounted acquisition control module, and top control module is also connected with the charging module in charger screen body.
2. the split type direct-current charging post of a kind of electric automobile as claimed in claim 1, is characterized in that: described top control module communicates with administrative center.
3. the split type direct-current charging post of a kind of electric automobile as claimed in claim 1, is characterized in that: described top control module is connected with display screen, card reader, and described display screen and top control module are by parallel port communication, and card reader and top control module are by RS232 serial communication.
4. the split type direct-current charging post of a kind of electric automobile as claimed in claim 1, is characterized in that: described rearmounted acquisition module is connected with direct current energy meter by RS485.
5. the split type direct-current charging post of a kind of electric automobile as claimed in claim 1, is characterized in that: the closed shutoff of described rearmounted acquisition module to parallel operation contactor controls.
6. the split type direct-current charging post system of electric automobile, comprise multiple split type direct-current charging post according to any one of claim 1-5, it is characterized in that: described split type direct-current charging post is parallel to and exchanges end, and bus-bar is connected by parallel operation contactor by charging module successively in the charger of each split type direct-current charging post screen body, form loop, the top control module of each split type direct-current charging post, front-collection module is connected by CAN with rearmounted acquisition module, rearmounted acquisition module is closed by the shutoff controlling parallel operation contactor and realizes electric energy intelligence sharing of load, the charging module of split type direct-current charging post passes through CAN communication with corresponding direct-current charging post top control module, the charging module of split type direct-current charging post passes through and connects auxiliary relay normally opened contact, be connected with the charging module of adjacent split type direct-current charging post, form CAN communication loop, the top control module filling direct-current charging post that the charging module of each split type direct-current charging post is allocated by auxiliary relay and required power when responding power is allocated is connected, by its centralized control.
7. the split type direct-current charging post system of a kind of electric automobile as claimed in claim 6, it is characterized in that: described top control module comprises three tunnel CAN, first via CAN is responsible for communication and preposition, the rearmounted acquisition control module communication of the machine between top control module, the charging module communication of dividing into groups is responsible on second tunnel, and electric automobile BMS communication is responsible on the 3rd tunnel.
8. the split type direct-current charging post system of a kind of electric automobile as claimed in claim 6, is characterized in that: described top control module connection management center, monitors split type direct-current charging post operating state in real time and uploads business datum.
9. the split type direct-current charging post system of a kind of electric automobile as claimed in claim 6, is characterized in that: the interconnected communication of described split type direct-current charging post, and each single pile top control module adopts the mode of real-time broadcast the machine busy and malfunction to work; Arbitrary single pile master control in multiple split type direct-current charging post, seizes bus control right, is in idle state single pile carries out power adjustment to other.
10. the split type direct-current charging post system of a kind of electric automobile as claimed in claim 6, it is characterized in that: described top control module is according to the state of BMS to the demand of charging current and each split type direct-current charging post, the workload demand of response BMS, rearmounted acquisition module controls parallel operation contactor and charging module communication switches auxiliary relay, carries out power adjustment.
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104810894A (en) * 2015-05-08 2015-07-29 山东鲁能智能技术有限公司 Split type direct-current charging piles for electric automobiles, system and method
CN105711436A (en) * 2016-04-19 2016-06-29 浙江硕维新能源技术有限公司 Quick-connection busbar for electric car charging pile
CN106026282A (en) * 2016-07-04 2016-10-12 深圳伊莱杰科技有限公司 Double-gun dynamic switching control device
CN106042952A (en) * 2016-05-23 2016-10-26 国网山东省电力公司莱芜供电公司 Multi-power-section parallel connection quick charging system and method
CN106080236A (en) * 2016-06-22 2016-11-09 国网山东省电力公司莱芜供电公司 Many power section parallel connection quick charging system and method
CN106564399A (en) * 2016-11-11 2017-04-19 深圳市沃特玛电池有限公司 Charging station
CN108054746A (en) * 2017-12-04 2018-05-18 西安特锐德智能充电科技有限公司 A kind of direct-current charging post power parallel device and parallel operation method
CN108248425A (en) * 2017-12-30 2018-07-06 深圳市车电网络有限公司 The two fast two slow DC charging motor of integral type and method of energy combined power scheduling
WO2018130223A1 (en) * 2017-01-16 2018-07-19 华为技术有限公司 Charging pile system having charging piles operated in parallel and method therefor
CN109274000A (en) * 2017-07-12 2019-01-25 保时捷股份公司 For being powered on power electronic system and the corresponding power-up station at station

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104810894B (en) * 2015-05-08 2017-04-05 山东鲁能智能技术有限公司 A kind of split type direct-current charging post of electric automobile, system and method
CN104810894A (en) * 2015-05-08 2015-07-29 山东鲁能智能技术有限公司 Split type direct-current charging piles for electric automobiles, system and method
CN105711436A (en) * 2016-04-19 2016-06-29 浙江硕维新能源技术有限公司 Quick-connection busbar for electric car charging pile
CN106042952A (en) * 2016-05-23 2016-10-26 国网山东省电力公司莱芜供电公司 Multi-power-section parallel connection quick charging system and method
CN106042952B (en) * 2016-05-23 2018-04-13 国网山东省电力公司莱芜供电公司 A kind of more power section parallel connection quick charging systems and method
CN106080236A (en) * 2016-06-22 2016-11-09 国网山东省电力公司莱芜供电公司 Many power section parallel connection quick charging system and method
CN106080236B (en) * 2016-06-22 2018-04-10 国网山东省电力公司莱芜供电公司 More power section parallel connection quick charging systems and method
CN106026282A (en) * 2016-07-04 2016-10-12 深圳伊莱杰科技有限公司 Double-gun dynamic switching control device
CN106564399A (en) * 2016-11-11 2017-04-19 深圳市沃特玛电池有限公司 Charging station
CN106564399B (en) * 2016-11-11 2018-05-15 深圳市沃特玛电池有限公司 Charging station
WO2018130223A1 (en) * 2017-01-16 2018-07-19 华为技术有限公司 Charging pile system having charging piles operated in parallel and method therefor
EP3561994A4 (en) * 2017-01-16 2019-10-30 Huawei Technologies Co., Ltd. Charging pile system having charging piles operated in parallel and method therefor
CN109274000A (en) * 2017-07-12 2019-01-25 保时捷股份公司 For being powered on power electronic system and the corresponding power-up station at station
US10596911B2 (en) 2017-07-12 2020-03-24 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Power electronic system for an electricity charging station and corresponding electricity charging station
CN108054746A (en) * 2017-12-04 2018-05-18 西安特锐德智能充电科技有限公司 A kind of direct-current charging post power parallel device and parallel operation method
CN108248425A (en) * 2017-12-30 2018-07-06 深圳市车电网络有限公司 The two fast two slow DC charging motor of integral type and method of energy combined power scheduling

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Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park)

Patentee after: National Network Intelligent Technology Co., Ltd.

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Effective date of registration: 20201216

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