CN114572022A - Wireless charging method and automobile - Google Patents
Wireless charging method and automobile Download PDFInfo
- Publication number
- CN114572022A CN114572022A CN202210125992.5A CN202210125992A CN114572022A CN 114572022 A CN114572022 A CN 114572022A CN 202210125992 A CN202210125992 A CN 202210125992A CN 114572022 A CN114572022 A CN 114572022A
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- wireless charging
- receiving device
- battery load
- wireless
- controller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/124—Detection or removal of foreign bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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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
- Y02T90/14—Plug-in electric vehicles
Abstract
A wireless charging method and an automobile relate to the wireless charging technology of the automobile. The wireless charging receiving device assembly comprises a wireless charging receiving device assembly, a controller, a rectifying and filtering device and a battery load, wherein the controller is electrically connected with the wireless charging receiving device assembly, the input end of the rectifying and filtering device is electrically connected with the output end of the wireless charging receiving device assembly, the output end of the rectifying and filtering device is electrically connected with the input end of the battery load, and the wireless charging receiving device assembly comprises a supporting plate, a motor, a first push rod, a second push rod, a first connecting piece, a second connecting piece, a wireless charging receiving device and a detecting coil. The invention effectively ensures the charging efficiency and safety, solves the problem of ensuring that the wireless charging transmitting device arranged on the road surface of the charging vehicle is strictly aligned with the wireless charging receiving device arranged on the electric vehicle at any time, and reduces the operation difficulty and fatigue degree of a driver.
Description
Technical Field
The invention relates to the technical field of wireless charging of electric automobiles, in particular to a wireless charging method and an automobile.
Background
An important factor affecting wireless charging efficiency is whether the transmitting end and the receiving end are in opposite positions, because the charging efficiency is greatly reduced once the positions are deviated, and even normal charging may not be performed when the deviation is too large. Currently, when an electric vehicle is charged wirelessly, a wireless transmitting device and an inverter part are usually buried on the ground, and a wireless receiving device, a rectifying and filtering module and the like are installed on the vehicle. When the vehicle is actually parked and charged, the parking positions of the vehicle are different every time, so that a certain offset always exists between the transmitting end and the receiving end, and the output power and the transmission efficiency of the system are influenced. At present mainstream practice is that the locate function who utilizes on-vehicle positioner or cell-phone APP guides the driver to revise the vehicle position, but this kind of mode not only operates more complicatedly, has proposed higher requirement to the driver, to oversize vehicle or unmanned vehicle moreover, hardly accomplishes the accurate positioning, when having metallic foreign object on wireless transmitting device, has also influenced the security and the validity of charging simultaneously.
Chinese patent publication No. CN108705945B discloses a vehicle-mounted wireless charging receiving device, an electric vehicle and a wireless charging method thereof, including a wireless charging receiving terminal, a driving device and a controller; the controller receives position information which is sent by a control unit of the electric automobile and represents the current transverse position of the running electric automobile on the charging lane, and controls the driving device to drive the wireless charging receiving end to transversely move to a position where the transverse center of the wireless charging receiving end is opposite to the transverse center of the charging lane according to the position information and the current position of the wireless charging receiving end. The electric automobile comprises the vehicle-mounted wireless charging receiving device. In the wireless charging method, a running electric automobile senses the current transverse position of the running electric automobile on a charging lane, the electric automobile controls the wireless charging receiving end to transversely move to the position where the transverse center of the wireless charging receiving end is opposite to the transverse center of the charging lane according to the current transverse position and the current position of the wireless charging receiving end, although the problem of alignment of a wireless receiving device and a wireless transmitting device in the wireless charging process is solved, the wireless receiving device is just opposite to the wireless transmitting device, the requirement still has high requirements on the automobile position and the operation of a driver, the quick parking charging cannot be realized, and meanwhile, the potential charging safety hazard caused by metal foreign matters cannot be detected.
Disclosure of Invention
The invention aims to provide a wireless charging method and an automobile, which ensure that the wireless charging receiving device and the wireless charging transmitting device are in electromagnetic connection by adjusting the angle and the position of the wireless charging receiving device, further ensure the charging efficiency and the charging safety, simultaneously solve the problem of ensuring that the wireless charging transmitting device arranged on the road surface of a charging vehicle is strictly opposite to the wireless charging receiving device arranged on the electric automobile at the moment, and reduce the operation difficulty and the fatigue degree of a driver.
In order to achieve the purpose, the invention adopts the following technical scheme: an automobile adopting a wireless charging method comprises a wireless charging receiving device assembly 1, a controller 2, a rectifying and filtering device 3 and a battery load 4, wherein the controller 2 is electrically connected with the wireless charging receiving device assembly 1, the input end of the rectifying and filtering device 3 is electrically connected with the output end of the wireless charging receiving device assembly 1, and the output end of the rectifying and filtering device 3 is electrically connected with the input end of the battery load 4;
wireless charge receiving arrangement subassembly 1 contain backup pad 11, motor 12, first push rod 13, second push rod 14, first connecting piece 15, second connecting piece 16, wireless charge receiving arrangement 17 and detection coil 18, motor 12 connects the side at backup pad 11, first push rod 13 and second push rod 14 set up respectively in the both sides bottom of backup pad 11, first connecting piece 15 and second connecting piece 16 are located the both sides of wireless charge receiving arrangement 17 respectively, first push rod 13, respectively through first connecting piece 15 between second push rod 14 and the wireless charge receiving arrangement 17, second connecting piece 16 is connected, detection coil 18 sets up on the bottom surface of backup pad 11.
Further, the wireless charging receiving device 17 is a cylindrical spiral coil.
Further, the rotating shaft of the motor 12 coincides with the center line of the support plate 11.
Further, the detection coil 18 is composed of two semi-circular coils.
Further, the wireless charging receiving device assembly 1 is located at the bottom of the chassis of the automobile.
Further, the controller 2 is connected with a display screen 5, and the display screen 5 is in communication connection with the controller 2.
Furthermore, a Bluetooth device is arranged on the display screen 5.
A wireless charging method, comprising the steps of:
step S1, determining whether the wireless charging receiver 17 is electromagnetically connected to the wireless charging transmitter by the controller 2;
step S2, after the wireless charging receiver 17 establishes electromagnetic connection with the wireless charging transmitter, the controller 2 determines whether the connection of the battery load 4 is correct;
step S3, after the controller 2 determines that the connection of the battery load 4 is correct, it determines whether the terminal voltage of the battery load 4 is smaller than the minimum value;
step S4, when the terminal voltage of the battery load 4 is smaller than the minimum value, adjusting the charging current, pre-charging the battery load 4, and when the charging reaches a threshold value, switching to constant current charging the battery load 4; when the terminal voltage of the battery load 4 is not less than the minimum value and less than the standard value, performing constant current charging on the battery load 4;
in step S5, step S4 is completed, and when the terminal voltage charged to the battery load 4 is the standard value, the charging current is adjusted to maintain the charging current as the float current.
The working principle of the invention is as follows:
when the wireless charging and transmitting device is used, the electric vehicle is stopped above the wireless charging and transmitting device, whether metal foreign matters exist in the wireless charging and receiving device 17 is detected through the detection coil 18, when the metal foreign matters are checked, the height and the angle of the wireless charging and receiving device 17 are adjusted through the adjusting motor 12, the first push rod 13 and the second push rod 14 respectively, effective electromagnetic connection is established between the wireless charging and receiving device 17 and the wireless charging and transmitting device, the electric vehicle is charged through the wireless charging and transmitting device and the wireless charging and receiving device through an external power grid, the controller 2 collects the voltage of the battery load 4 in real time and adjusts the charging current according to the voltage value, and finally the electric vehicle is charged.
After the technical scheme is adopted, the invention has the beneficial effects that:
1. according to the invention, the first push rod and the second push rod are respectively connected to the wireless charging receiving device, the first push rod and the second push rod are connected with the supporting plate, the supporting plate is connected with the motor, the angle of the wireless charging receiving device is adjusted by the motor, the height of the wireless charging receiving device and the inclination angle in the other direction are adjusted by the first push rod and the second push rod, the wireless charging receiving device and the wireless charging transmitting device are ensured to establish efficient electromagnetic connection, the charging efficiency is further ensured, meanwhile, the problem that the wireless charging transmitting device arranged on the road surface of the charging vehicle is strictly aligned with the wireless charging receiving device arranged on the electric vehicle at any moment is solved, and the operation difficulty and the fatigue degree of a driver are reduced;
2. according to the invention, the detection coil is arranged at the bottom of the supporting plate, and the detection coil is used for detecting whether the metal foreign body blocks the wireless charging transmitting device, so that the safety and the effectiveness in the charging process are effectively improved;
3. the invention respectively adopts three modes of pre-charging, constant current charging and floating charging to charge the battery load according to the terminal voltage condition of the battery load, thereby effectively improving the charging efficiency and greatly prolonging the service life of the battery load.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic view of the direction a-a in fig. 1.
Fig. 3 is a schematic structural diagram of the wireless charge receiving apparatus assembly 1 of the present invention.
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a flow chart illustrating a charging method according to the present invention.
Fig. 6 is a schematic diagram of wireless charging according to a third embodiment of the present invention.
Description of reference numerals: the wireless charging receiving device comprises a wireless charging receiving device assembly 1, a supporting plate 11, a motor 12, a first push rod 13, a second push rod 14, a first connecting piece 15, a second connecting piece 16, a wireless charging receiving device 17, a detection coil 18, a controller 2, a rectifying and filtering device 3, a battery load 4 and a display screen 5.
Detailed Description
Example one
Referring to fig. 1-3 and 5, the technical solution adopted by the present embodiment is: the wireless charging device comprises a wireless charging receiving device assembly 1, a controller 2, a rectifying and filtering device 3 and a battery load 4, wherein the battery load 4 is 200VDC, the controller 2 is electrically connected with the wireless charging receiving device assembly 1, the input end of the rectifying and filtering device 3 is electrically connected with the output end of the wireless charging receiving device assembly 1, and the output end of the rectifying and filtering device 3 is electrically connected with the input end of the battery load 4;
wireless charge receiving arrangement subassembly 1 contain backup pad 11, motor 12, first push rod 13, second push rod 14, first connecting piece 15, second connecting piece 16, wireless charge receiving arrangement 17 and detection coil 18, motor 12 connects the side at backup pad 11, first push rod 13 and second push rod 14 set up respectively in backup pad 11's both sides bottom, first connecting piece 15 and second connecting piece 16 are located the connection of wireless charge receiving arrangement 17 respectively, first push rod 13, second push rod 14 and wireless charge receiving arrangement 17 between respectively through first connecting piece 15, second connecting piece 16 is connected, detection coil 18 sets up on the bottom surface of backup pad 11.
The wireless charging receiving device 17 is a cylindrical spiral coil, and the cylindrical spiral coil is more favorable for electromagnetic coupling, so that the charging efficiency is better.
The rotating shaft of the motor 12 is superposed with the central line of the supporting plate 11.
The detection coil 18 is composed of two semicircular coils, and detection is performed by using electromotive force generated between the semicircular coils.
The wireless charging receiving device assembly 1 is positioned at the bottom of the automobile chassis.
The controller 2 on be connected with display screen 5, and display screen 5 and controller 2 communication connection specifically through CAN bus connection
A wireless charging method, comprising the steps of:
step S1, determining whether the wireless charging receiver 17 is electromagnetically connected to the wireless charging transmitter by the controller 2;
step S2, after the wireless charging receiver 17 establishes electromagnetic connection with the wireless charging transmitter, the controller 2 determines whether the connection of the battery load 4 is correct;
step S3, after the controller 2 determines that the connection of the battery load 4 is correct, it determines whether the terminal voltage of the battery load 4 is less than the minimum value 120 VDC;
step S4, when the terminal voltage of the battery load 4 is less than the minimum value 120VDC, adjusting the charging current, pre-charging the battery load 4, and when the charging reaches the threshold value 150VDC, switching to constant current charging the battery load 4; when the terminal voltage of the battery load 4 is not less than the minimum value and less than the standard value, performing constant current charging on the battery load 4;
in step S5, the step S4 is completed, and when the terminal voltage charged to the battery load 4 is the standard value, the charging current is adjusted, the charging current is maintained as the float current, and the float current is maintained at 1.7A.
Example two
Referring to fig. 4 to 5, the technical solution adopted in the present embodiment is the same as that of the first embodiment, except that the electric vehicle is parked at a position where the wireless charging receiving device 17 is not located right above the wireless charging transmitting device, and at this time, the corresponding positions of the motor 12, the first push rod 13, and the second push rod 14 are adjusted, so that the wireless charging receiving device 17 and the wireless charging transmitting device establish effective electromagnetic connection.
EXAMPLE III
Referring to fig. 6, the technical solution adopted in this embodiment is the same as that of the first embodiment, except that when two electric vehicles are stopped at a specific distance, one of the electric vehicles provides power through a battery load, the wireless charging receiving device is converted into a wireless charging transmitting device through power electronics technology, and the wireless charging transmitting device is electromagnetically connected with the wireless charging receiving device of the other vehicle, so as to wirelessly charge the other vehicle, and further realize handshake wireless charging between different electric vehicles.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. An automobile with a wireless charging method is characterized in that: the wireless charging device comprises a wireless charging receiving device assembly (1), a controller (2), a rectifying and filtering device (3) and a battery load (4), wherein the controller (2) is electrically connected with the wireless charging receiving device assembly (1), the input end of the rectifying and filtering device (3) is electrically connected with the output end of the wireless charging receiving device assembly (1), and the output end of the rectifying and filtering device (3) is electrically connected with the input end of the battery load (4);
wireless charge receiving arrangement subassembly (1) contain backup pad (11), motor (12), first push rod (13), second push rod (14), first connecting piece (15), second connecting piece (16), wireless charge receiving arrangement (17) and detection coil (18), the side in backup pad (11) is connected in motor (12), first push rod (13) and second push rod (14) set up respectively in the both sides bottom of backup pad (11), first connecting piece (15) and second connecting piece (16) are located the both sides of wireless charge receiving arrangement (17) respectively, first push rod (13), between second push rod (14) and the wireless charge receiving arrangement (17) respectively through first connecting piece (15), second connecting piece (16) are connected, detection coil (18) set up on the bottom surface of backup pad (11).
2. The vehicle with the wireless charging method according to claim 1, wherein: the wireless charging receiving device (17) is a cylindrical spiral coil.
3. The vehicle with the wireless charging method according to claim 1, wherein: the rotating shaft of the motor (12) is superposed with the central line of the supporting plate (11).
4. The vehicle with the wireless charging method according to claim 1, wherein: the detection coil (18) consists of two semi-circular coils.
5. The vehicle with the wireless charging method according to claim 1, wherein: the wireless charging receiving device assembly (1) is positioned at the bottom of the automobile chassis.
6. The vehicle with the wireless charging method according to claim 1, wherein: the controller (2) on be connected with display screen (5), and display screen (5) and controller (2) communication are connected.
7. The vehicle with the wireless charging method according to claim 6, wherein: the display screen (5) is provided with a Bluetooth device.
8. A wireless charging method is characterized in that: it comprises the following steps:
step S1, judging whether the wireless charging receiving device (17) is in electromagnetic connection with the wireless charging transmitting device through the controller (2);
step S2, after the wireless charging receiving device (17) is electromagnetically connected with the wireless charging transmitting device, whether the wiring of the battery load (4) is correct is judged through the controller (2);
step S3, after the controller (2) judges that the wiring of the battery load (4) is correct, whether the terminal voltage of the battery load (4) is smaller than the minimum value is judged;
step S4, when the terminal voltage of the battery load (4) is smaller than the minimum value, adjusting the charging current, pre-charging the battery load 4, and when the charging reaches the threshold value, switching to constant current charging the battery load (4); when the terminal voltage of the battery load (4) is not less than the minimum value and is less than the standard value, performing constant current charging on the battery load (4);
and step S5, finishing step S4, when the terminal voltage charged to the battery load (4) is a standard value, adjusting the charging current and maintaining the charging current to be a float charging current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125992.5A CN114572022A (en) | 2022-02-10 | 2022-02-10 | Wireless charging method and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210125992.5A CN114572022A (en) | 2022-02-10 | 2022-02-10 | Wireless charging method and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN114572022A true CN114572022A (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210125992.5A Pending CN114572022A (en) | 2022-02-10 | 2022-02-10 | Wireless charging method and automobile |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786886A (en) * | 2016-12-22 | 2017-05-31 | 东南大学 | A kind of wireless charging system charging method based on remained capacity technology |
| CN107860475A (en) * | 2017-11-03 | 2018-03-30 | 中惠创智无线供电技术有限公司 | A kind of electric automobile and the detection device for foreign matter for electric automobile |
| KR20190015861A (en) * | 2017-08-07 | 2019-02-15 | 르노삼성자동차 주식회사 | The tilting algorithm for achieving high efficiency on wireless charging system |
| CN109435714A (en) * | 2018-11-28 | 2019-03-08 | 重庆欧锐特科技有限公司 | A kind of wireless charging method of trolley |
| CN109808520A (en) * | 2019-01-28 | 2019-05-28 | 许继电源有限公司 | A kind of electric car wireless charging foreign matter and position detecting system and method |
| CN111628554A (en) * | 2020-06-30 | 2020-09-04 | 联想(北京)有限公司 | Electronic equipment and charging method |
-
2022
- 2022-02-10 CN CN202210125992.5A patent/CN114572022A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786886A (en) * | 2016-12-22 | 2017-05-31 | 东南大学 | A kind of wireless charging system charging method based on remained capacity technology |
| KR20190015861A (en) * | 2017-08-07 | 2019-02-15 | 르노삼성자동차 주식회사 | The tilting algorithm for achieving high efficiency on wireless charging system |
| CN107860475A (en) * | 2017-11-03 | 2018-03-30 | 中惠创智无线供电技术有限公司 | A kind of electric automobile and the detection device for foreign matter for electric automobile |
| CN109435714A (en) * | 2018-11-28 | 2019-03-08 | 重庆欧锐特科技有限公司 | A kind of wireless charging method of trolley |
| CN109808520A (en) * | 2019-01-28 | 2019-05-28 | 许继电源有限公司 | A kind of electric car wireless charging foreign matter and position detecting system and method |
| CN111628554A (en) * | 2020-06-30 | 2020-09-04 | 联想(北京)有限公司 | Electronic equipment and charging method |
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