CN109188127A - A kind of automatic testing stand frame system of wireless charging system for electric automobile - Google Patents
A kind of automatic testing stand frame system of wireless charging system for electric automobile Download PDFInfo
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- CN109188127A CN109188127A CN201810960246.1A CN201810960246A CN109188127A CN 109188127 A CN109188127 A CN 109188127A CN 201810960246 A CN201810960246 A CN 201810960246A CN 109188127 A CN109188127 A CN 109188127A
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- wireless charging
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- servo motor
- electric automobile
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 6
- 229920001342 Bakelite® Polymers 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 239000004637 bakelite Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H02J7/025—
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to a kind of automatic testing stand frame systems of wireless charging system for electric automobile, comprising: upper mounting plate, for placing the receiving coil of wireless charging;Lower platform, for placing the transmitting coil of wireless charging;Movable pedestal, portion are equipped with XYZ axis servo motor XYZ axis servo motor and connect with lower platform, drive lower platform synchronizing moving, realize the clearance offsets between upper mounting plate and lower platform;Power analyzer, for testing the realtime power of receiving coil and transmitting coil;Host computer is connect with power analyzer;Controller is connect with host computer and XYZ axis servo motor respectively, according to the instruction of host computer, controls the movement of XYZ axis servo motor.Compared with prior art, the present invention crosses the driving of servo motor to become the position of lower platform, to change upper lower platform in the offset distance of horizontal X Y-direction and vertical Z direction, the situation of change for studying wireless charging transimission power and efficiency under different dislocations, greatly improves testing efficiency and measuring accuracy.
Description
Technical field
The present invention relates to a kind of electric car wireless charging test devices, more particularly, to a kind of electric car wireless charging
The automatic testing stand frame system of system.
Background technique
It in order to energy saving, reduces environmental pollution, electric car receives the attention of countries in the world and widelys popularize.Mesh
Before, due to the limitation of the conditions such as battery capacity and charging infrastructure, charging problems become Development of Electric Vehicles and face in the process
Most important bottleneck problem.The plug-in charging of traditional charging pile is since electrically-charging equipment is exposed, and easy aging is tight, different automobile types
There is limitation in interface, the inconvenience and plug-in security problems of manual plug-in, wireless charging future certainly will develop into electricity
The main charging modes of electrical automobile.
Wireless power transmission (WPT, wireless power transfer), also referred to as non-contact energy transmission (CPT,
Contactless power transfer), it is a kind of technology that energy transmission is carried out using electromagnetic field or electromagnetic wave.For electricity
Motor-car wireless power transmission technology is that transformer primary side, vice-side winding are placed in outside vehicle and interior, passes through high frequency magnetic field
The effect of coupling carries out electric energy transmission.Its transmission technology includes inductive coupling type, electromagnetic resonance and microwave transmission formula, at present
The mode for being most suitable for electric car charging is inductive coupling type wireless charging mode.
Although wireless charging technology have it is easy to use, safe, no-spark with contact danger, contactless loss is ground with mechanical
Damage, manual maintenance is convenient, and bad weather adapts to stronger etc..But there is also certain problems, wherein the most outstanding is exactly energy
It is lost relatively high, especially in high power transmission, when vertical range and dislocation increase between coil, this loss is especially bright
It is aobvious, greatly reduce wireless charging efficiency.Therefore in the research process of wireless charging system for electric automobile, it would be desirable to line
Circle system carries out testing research in the loss power and efficiency change of different dislocation conditions, this just needs constantly to change two coils
Between position, then point-to-point measurement again, traditional method is however this mode using manually adjusting position spacing between coil
Measurement is too slow, significantly reduces testing efficiency.
In conclusion the test method existing defects of the artificial point-to-point measurement of tradition, are badly in need of a kind of high efficiency, the nothing of automation
Line charge electric system test device.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of electric car is wireless
The automatic testing stand frame system of charging system solves position existing for conventional wireless charging system manual test and adjusts difficult, survey
The problems such as trying inefficiency.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of automatic testing stand frame system of wireless charging system for electric automobile, comprising:
Upper mounting plate, it is fixed, for placing the receiving coil of wireless charging;
Lower platform is oppositely arranged with upper mounting plate, for placing the transmitting coil of wireless charging;
Movable pedestal, top are equipped with XYZ axis servo motor, and the XYZ axis servo motor can be in three reference axis
Direction carries out independent offset, and the XYZ axis servo motor is connect with lower platform, drives lower platform synchronizing moving, puts down in realization
Clearance offsets between platform and lower platform;
Power analyzer, for testing the realtime power of receiving coil and transmitting coil;
Host computer is connect with power analyzer, for acquiring power data;
Controller is connect with host computer and XYZ axis servo motor respectively, according to the instruction of host computer, controls XYZ axis servo
The movement of motor.
The upper mounting plate and lower platform are arranged in rack braced frame in part, the rack braced frame top
Divide and uses bakelite material.
The XYZ axis servo motor passes sequentially through lead screw and bearing and intermediate junction device is connect with lower platform.
XYZ axis servo motor, lead screw and the bearing and intermediate junction device and mobile base are arranged in braced frame
In lower part, aluminum alloy materials are partially used under the braced frame.
The intermediate junction device and movable pedestal is made of alloy-steel plate.
The upper mounting plate uses transparent glue doubling steel glass material, and posts graduated scale.
The system further includes reseting sensor, is separately positioned on the origin of three reference axis, for lower platform into
Row resets.
The movable pedestal bottom is provided with locking idler wheel.
The mobile base bottom is equipped with two shifting sledges, respectively X-direction and Y direction, sliding rail herein
It is formed to provide sliding slot and the sliding block of mobile limitation, sliding block is driven by servo motor and transmission mechanism, since the slot position of sliding slot limits
System, sliding block can only be slided on sliding slot position with X-axis and Y-axis both direction.
The controller uses programmable logic controller (PLC).
Compared with prior art, the invention has the following advantages that
1, it is manually adjusted compared to traditional artificial, the present invention can quickly change lower platform by the driving of servo motor
Position, to change upper lower platform in the offset distance of horizontal X Y-direction and vertical Z direction, thus to study nothing under different dislocations
The situation of change of line charge electrical transmission power and efficiency, greatly improves testing efficiency and measuring accuracy.
2, other similar automatic testing equipment is compared, the present invention, can by setting host computer, power analyzer and controller
To realize full-automatic off-line working, rack can be according to specific run trace, and with the movement speed of setting, dwell interval is paused
Time traverses all the points in entire space, and at the same time, power analyzer and controller obtain staging position and coil in real time
Current and voltage signals, host computer real-time automatic collecting data are simultaneously stored in table, and entire test process realizes full-automatic unmannedization.
Detailed description of the invention
Fig. 1 is overall structure block diagram of the invention
Fig. 2 is the main structure chart of the system of the present embodiment;
Appended drawing reference:
1 is part in rack braced frame;2 be part under braced frame;3 be upper mounting plate;4 be lower platform;5 connect for support
Connect frame;6 be middle connecting plate;7 be lead screw and bearing;8 be XYZ axis servo motor;9 be movable pedestal;10 roll for locking
Wheel;11 be reseting sensor;12 be controller;13 be power analyzer;14 be host computer.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
As shown in Figure 1, 2, the automatic testing stand frame system of wireless charging system for electric automobile includes in rack braced frame
Part 2 under part 1 and braced frame, upper mounting plate 3, lower platform 4, the support connecting frame 5, centre being mounted in the braced frame
Connecting plate 6, lead screw and bearing 7, XYZ axis servo motor 8, movable pedestal 9, controller 12 and reseting sensor 11.The set
System support has power analyzer 13 and rack host computer 14, and rack bottom is provided with locking idler wheel 10.
Part 1 includes the upper lower platform for placing coil system in braced frame, need to be considered when coil working in ambient enviroment
Influencing each other between metal and generation magnetic field, therefore upper part integrally uses bakelite material.Part 2 is apart from work under braced frame
Platform farther out, influences each other smaller negligible with magnetic field, compares upper frame, lower frame is subjected to more weight, therefore lower part
The whole aluminum alloy materials using high-intensitive light weight
Upper mounting plate 3 is mounted on the top of part 1 in braced frame, fixed, for placing receiving coil.Meanwhile being
The drift condition between transmitting coil on the receiving coil placed thereon convenient for eye-observation and lower platform 4, comprehensively considers magnetic
Field influences, and upper mounting plate 3 is using transparent glue doubling steel glass and posts graduated scale.Lower platform 4 is placed in braced frame in part 1
Face is connected by support connecting frame 5 with middle connecting plate 6 for placing transmitting coil.Both it needs to do insulation processing, unite
One uses bakelite material.
Lead screw and bearing 7 are fixedly installed under middle connecting plate 6, lead screw uses ball-screw, and precision is higher, can guarantee
Offset error is in 2mm or so.Meanwhile including three servo motors, it is fixed on movable pedestal 9, is respectively disposed on XYZ axis three
On a direction, by the connection of ball-screw and bearing 7, middle connecting plate 6 is driven to move together with lower platform 4 thereon, from
And realize the clearance offsets between upper lower platform, and be directly controlled by PLC12.Support connecting frame 5 is in arch bridge type in structure, and totally four
It is a, it is symmetrically distributed in four angles and carries out uniform load-bearing, middle connecting plate 6 and movable pedestal 9 are all made of high-strength alloy thickness steel
Plate has certain mass, can mitigate shaking when lower platform moves integrally.9 bottom of mobile base is equipped with two X-axis and Y-axis sides
To shifting sledge, the setting of sliding rail ensure that the whole ride comfort mobile in X/Y plane of lower platform 4.
Host computer 14 can simultaneously and controller 12 and the progress data communication of power analyzer 13.The host computer interface can be set
XYZ coordinates of targets, while can realize that the automatic running of rack and data acquire, it is and each for the spacing distance of automatic running
It is spaced residence time, all programmable.Controller 12 uses programmable logic controller (PLC), is able to achieve the data with host computer 14
Real-time collected 8 position data of servo motor is sent to host computer 14 by communication.Power analyzer 13 can real-time measurement coil
The current and voltage signals of system input and output, and data are transmitted to host computer 14 in real time.
Three reseting sensors 11 are separately positioned on origin position defined in tri- axis of XYZ and are used for using photoelectric sensor
4 position of lower platform is resetted.When the sheet metal being arranged on movable pedestal 9 slides into origin, sheet metal is passed right through
Sensor, the light between two sides are blocked, and photoelectric sensor output photoelectric signal is to controller 12, and lower platform 4 exists at this time
Origin is resetted and is completed.
When it is implemented, operating mode is roughly divided into two kinds:
1, when only need to specific to space some offset point carry out the test of coil whole efficiency when, only need to be at 14 interface of host computer
Coordinates of targets, such as offset X-direction 200mm, Y-direction 150mm, Z-direction 150mm is set in advance, then clicks starting operation, on
Data command is sent to controller 12 by position machine 14, after controller 12 receives instruction, is directly controlled to XYZ axis servo motor 8
System, motor are operated according to setting speed, drive bottom movable pedestal 9 to carry out the sliding of X/Y plane on the slide rail, while in silk
Z axis is risen under the lifting of thick stick and bearing 7, and final lower platform 4 is displaced to coordinates of targets under the drive of support connecting frame 5,
The transmitting coil that the receiving coil and lower platform that upper mounting plate is placed at this time are placed reaches target offset, and power analyzer starts to measure
Current and voltage signals at this time finally obtain the data such as input-output power and transmission efficiency, and are stored in table, and test is completed.
2, when needing to carry out the test of coil whole efficiency to all the points in given plane or spatial dimension, host computer 14
Automatic running pattern, the trajectory model of the operation can be started are as follows: using Z axis as most higher level, X-axis is secondary, and Y-axis is most junior,
Constant, all the points of the complete X/Y plane of first traversal of Z axis height are first fixed, then are lifted Z axis, continue to traverse next corresponding high
The X/Y plane of degree, until space, all offset points all traverse completion, and entire test can be completed.When on X/Y plane, similarly press
X-axis is first fixed according to priority, all the points of the complete corresponding Y-axis of first traversal are further added by X-axis offset, continue to traverse next corresponding X
Under Y, until all offset points of the plane all traverse completion, the standoff distance between each point can pass through with the residence time
Host computer 14 is set.The mode is realized by controller programming, need to only call open on host computer 14 in practical applications
Dynamic, once test starts, power analyzer 13 and controller 12 can the corresponding coil currents of each Dislocations of real-time Transmission
Voltage signal receives data with corresponding XYZ coordinate, host computer 14, and real-time display is simultaneously stored in table.
Claims (10)
1. a kind of automatic testing stand frame system of wireless charging system for electric automobile characterized by comprising
Upper mounting plate (3), it is fixed, for placing the receiving coil of wireless charging;
Lower platform (4) is oppositely arranged, for placing the transmitting coil of wireless charging with upper mounting plate (3);
Movable pedestal (9), top are equipped with XYZ axis servo motor (8), and the XYZ axis servo motor (8) can be sat at three
Parameter direction carries out independent offset, and the XYZ axis servo motor (8) is connect with lower platform (4), drives lower platform (4) synchronous
It is mobile, realize the clearance offsets between upper mounting plate (3) and lower platform (4);
Power analyzer (13), for testing the realtime power of receiving coil and transmitting coil;
Host computer (14) is connect, for acquiring power data with power analyzer (13);
Controller (12) is connect with host computer (14) and XYZ axis servo motor (8) respectively, according to the instruction of host computer (14), control
The movement of XYZ axis servo motor (8) processed.
2. a kind of automatic testing stand frame system of wireless charging system for electric automobile according to claim 1, feature exist
In the upper mounting plate (3) and lower platform (4) are arranged in rack braced frame in part (1), the rack braced frame
Upper part (1) uses bakelite material.
3. a kind of automatic testing stand frame system of wireless charging system for electric automobile according to claim 1, feature exist
In the XYZ axis servo motor (8) passes sequentially through lead screw and bearing (7) and intermediate junction device is connect with lower platform (4).
4. a kind of automatic testing stand frame system of wireless charging system for electric automobile according to claim 3, feature exist
In the XYZ axis servo motor (8), lead screw and bearing (7) and intermediate junction device and mobile base are arranged in braced frame
In lower part (2), part (2) uses aluminum alloy materials under the braced frame.
5. a kind of automatic testing stand frame system of wireless charging system for electric automobile according to claim 1, feature exist
In the intermediate junction device and movable pedestal (9) are made of alloy-steel plate.
6. a kind of automatic testing stand frame system of wireless charging system for electric automobile according to claim 1, feature exist
In the upper mounting plate (3) uses transparent glue doubling steel glass material, and posts graduated scale.
7. a kind of automatic testing stand frame system of wireless charging system for electric automobile according to claim 1, feature exist
In the system further includes reseting sensor (11), the origin of three reference axis is separately positioned on, for carrying out to lower platform
It resets.
8. a kind of automatic testing stand frame system of wireless charging system for electric automobile according to claim 1, feature exist
In the movable pedestal (9) bottom is provided with locking idler wheel (10).
9. a kind of automatic testing stand frame system of wireless charging system for electric automobile according to claim 1, feature exist
In the mobile base (9) bottom is equipped with two shifting sledges, respectively X-direction and Y direction.
10. a kind of automatic testing stand frame system of wireless charging system for electric automobile according to claim 1, feature exist
In the controller (12) uses programmable logic controller (PLC).
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109799408A (en) * | 2019-03-11 | 2019-05-24 | 吉林大学 | A kind of electric car Wireless charging coil dislocation experimental provision |
CN110531198A (en) * | 2019-09-29 | 2019-12-03 | 江西联智集成电路有限公司 | Wireless charging device Efficiency testing board and wireless charging device efficiency detecting system |
CN110850218A (en) * | 2019-11-28 | 2020-02-28 | Oppo广东移动通信有限公司 | Jig and test method |
CN110988573A (en) * | 2019-12-27 | 2020-04-10 | 无锡市沃乐思科技有限公司 | Wireless charging test bench frame for electric automobile |
CN111007332A (en) * | 2019-11-25 | 2020-04-14 | 国电南瑞科技股份有限公司 | Electric automobile wireless charging and discharging device test platform |
CN111505402A (en) * | 2019-01-31 | 2020-08-07 | 致茂电子(苏州)有限公司 | Detection device and detection method of wireless charging module for vehicle |
CN111537821A (en) * | 2020-05-22 | 2020-08-14 | 河北工业大学 | Testing device and measuring system suitable for wireless charging system of electric automobile |
CN112394276A (en) * | 2019-08-19 | 2021-02-23 | Oppo广东移动通信有限公司 | Wireless charging test method, device, system, electronic equipment and storage medium |
CN112433111A (en) * | 2020-10-27 | 2021-03-02 | 苏州菲利波电磁技术有限公司 | Electric automobile wireless charging radiation emission test rack |
CN112904144A (en) * | 2021-01-21 | 2021-06-04 | 深圳市行自迩科技有限公司 | Intelligent testing method and system based on cloud computing |
CN112924754A (en) * | 2021-01-20 | 2021-06-08 | 安洁无线科技(苏州)有限公司 | Wireless charging coil coupling test platform |
CN113156231A (en) * | 2021-01-20 | 2021-07-23 | 安洁无线科技(苏州)有限公司 | Automatic test system for wireless charging coil |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111505402A (en) * | 2019-01-31 | 2020-08-07 | 致茂电子(苏州)有限公司 | Detection device and detection method of wireless charging module for vehicle |
CN109799408A (en) * | 2019-03-11 | 2019-05-24 | 吉林大学 | A kind of electric car Wireless charging coil dislocation experimental provision |
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CN112394276A (en) * | 2019-08-19 | 2021-02-23 | Oppo广东移动通信有限公司 | Wireless charging test method, device, system, electronic equipment and storage medium |
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CN111007332A (en) * | 2019-11-25 | 2020-04-14 | 国电南瑞科技股份有限公司 | Electric automobile wireless charging and discharging device test platform |
CN110850218A (en) * | 2019-11-28 | 2020-02-28 | Oppo广东移动通信有限公司 | Jig and test method |
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CN110988573A (en) * | 2019-12-27 | 2020-04-10 | 无锡市沃乐思科技有限公司 | Wireless charging test bench frame for electric automobile |
CN111537821A (en) * | 2020-05-22 | 2020-08-14 | 河北工业大学 | Testing device and measuring system suitable for wireless charging system of electric automobile |
CN112433111A (en) * | 2020-10-27 | 2021-03-02 | 苏州菲利波电磁技术有限公司 | Electric automobile wireless charging radiation emission test rack |
CN112924754A (en) * | 2021-01-20 | 2021-06-08 | 安洁无线科技(苏州)有限公司 | Wireless charging coil coupling test platform |
CN113156231A (en) * | 2021-01-20 | 2021-07-23 | 安洁无线科技(苏州)有限公司 | Automatic test system for wireless charging coil |
CN112904144A (en) * | 2021-01-21 | 2021-06-04 | 深圳市行自迩科技有限公司 | Intelligent testing method and system based on cloud computing |
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Application publication date: 20190111 |