CN110525242B - Wireless charging method and system - Google Patents
Wireless charging method and system Download PDFInfo
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- CN110525242B CN110525242B CN201910763245.2A CN201910763245A CN110525242B CN 110525242 B CN110525242 B CN 110525242B CN 201910763245 A CN201910763245 A CN 201910763245A CN 110525242 B CN110525242 B CN 110525242B
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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
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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
- B60L53/60—Monitoring or controlling charging stations
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T90/12—Electric charging stations
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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
The invention discloses a wireless charging method and a wireless charging system, wherein the method applied to a first vehicle comprises the following steps: acquiring a wireless charging instruction; performing wireless power signal matching; receiving the wireless power signal to charge a battery of the first vehicle, the method applied to a second vehicle comprising the steps of: receiving a wireless charging request of a first vehicle; the wireless charging system has the advantages that the wireless power signal is transmitted to facilitate charging of the first vehicle, the wireless charging system is built between the vehicles to facilitate wireless charging between the vehicles, the time that the vehicles charge the charging pile or the battery is replaced is saved, accordingly, the driving mileage of the electric vehicle is greatly prolonged, the using efficiency of the vehicle is improved, the wireless charging mode is adopted, charging is more convenient, and popularization of the electric vehicle is facilitated.
Description
Technical Field
The present invention relates to wireless charging technologies, and in particular, to a wireless charging method and system.
Background
Nowadays, the world generally faces the severe situations of environmental protection pressure and energy crisis, and air pollution causes haze abuse and seriously affects the physical health of people. In order to improve the air quality and reduce the energy crisis, electric vehicles are widely popularized and used.
The electric automobile is an automobile which takes a vehicle-mounted power supply as power and drives wheels by a motor to run, and meets various requirements of road traffic and safety regulations. Electric automobile uses the battery to provide kinetic energy, compares with traditional diesel engine car and has energy saving, noise low, advantage such as power is strong, simple structure, maintenance cost hang down: it has no waste gas produced by internal combustion engine and no exhaust pollution, and is beneficial to environmental protection and air cleaning, and the pollution caused directly is almost zero.
However, the conventional electric automobile has short endurance mileage, generally has endurance capacity of about 300 kilometers, and seriously affects the working efficiency of the automobile and drivers, so that users often have mileage anxiety when driving on expressways and urban highways; simultaneously, fill electric pile at present and lack, charge reasons such as inconvenient and make electric automobile's popularization meet great difficulty.
Therefore, how to solve the problems of short driving range and inconvenient charging of the electric vehicle has become a technical problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a wireless charging method and system, which can solve the problems of short driving range and inconvenient charging of an electric vehicle.
In order to solve the technical problems, the specific technical scheme of the invention is as follows:
in one aspect, the present invention provides a wireless charging method for charging a vehicle to be charged, applied to a first vehicle, the method including:
acquiring a wireless charging instruction;
performing wireless power signal matching;
receiving the wireless power signal to charge a battery of the first vehicle.
Further, the performing wireless power signal matching comprises:
transmitting a wireless charging request to a second vehicle;
matching the wireless power signal transmitted by the second vehicle.
In a second aspect, the present invention provides a wireless charging method for a second vehicle, the method including:
receiving a wireless charging request of a first vehicle;
transmitting a wireless power signal to facilitate charging of the first vehicle.
Further, the receiving a wireless charging request of a first vehicle comprises:
judging whether to supply power to the first vehicle;
if not, sending a rejection signal; if so, transmitting the wireless power signal.
Further, the transmitting a wireless power signal to facilitate the first vehicle charging comprises:
transmitting a wireless power signal type to the first vehicle;
transmitting a wireless power signal according to the wireless power signal type.
In a third aspect, the present invention further provides a wireless charging system applied to a first vehicle, where the system includes a charging instruction obtaining module, a signal matching module, and a wireless power signal receiving module;
the charging instruction acquisition module is used for acquiring a wireless charging instruction;
the signal matching module is used for matching wireless power signals;
the wireless power signal receiving module is used for receiving the wireless power signal to charge a battery of the first vehicle.
Further, the signal matching module comprises a charging request unit and a signal matching unit;
the charging request unit is used for sending a wireless charging request to a second vehicle;
the signal matching unit is used for matching the wireless power signal transmitted by the second vehicle.
In a fourth aspect, the present invention further provides a wireless charging system for a second vehicle, wherein the system includes a charging request receiving module and a wireless signal transmitting module;
the charging request receiving module is used for receiving a wireless charging request of a first vehicle;
the wireless signal transmitting module is used for transmitting a wireless power signal so as to facilitate charging of the first vehicle.
Further, the system also comprises a judging module and a feedback module;
the judging module is used for judging whether to supply power to the first vehicle, and if so, sending a working signal to the wireless signal transmitting module;
the feedback module is used for feeding back a rejection signal when the first vehicle is judged not to be powered.
Further, the wireless signal transmitting module comprises a matching type transmitting unit and a wireless power signal transmitting unit;
the matching type transmitting unit is used for transmitting a wireless power signal type to the first vehicle;
the wireless power signal transmitting unit is used for transmitting a wireless power signal according to the type of the wireless power signal.
By adopting the technical scheme, the wireless charging method and the wireless charging system have the following beneficial effects:
1. according to the wireless charging method and system, the wireless charging system is established between the vehicles, so that the wireless charging between the vehicles is facilitated, the time for charging the charging pile or replacing the battery of the vehicle is saved, the driving mileage of the electric vehicle is greatly prolonged, and the service efficiency of the vehicle is improved.
2. The wireless charging method and the wireless charging system adopt a wireless charging mode, so that the charging is more convenient, and the popularization and the promotion of the electric automobile are more facilitated.
3. According to the wireless charging method and system, the transmission electric energy can be shared among the running vehicles, and the time for waiting when the vehicles stop is reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of a wireless charging method according to the present invention;
FIG. 2 is a flowchart of a wireless charging method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a wireless charging system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the signal matching module shown in FIG. 3;
FIG. 5 is a flowchart of a wireless charging method according to an embodiment of the present invention;
fig. 6 is a flow chart of a wireless charging method according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a wireless charging system according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of the wireless signal transmitting module illustrated in fig. 7;
fig. 9 is a schematic structural diagram of a wireless charging system according to an embodiment of the present invention.
In the figure: the system comprises a 1-charging instruction acquisition module, a 2-signal matching module, a 3-wireless power signal receiving module, a 4-charging request receiving module, a 5-wireless signal transmitting module, a 6-judgment module, a 7-feedback module, a 21-charging request unit, a 22-signal matching unit, a 51-matching type transmitting unit and a 52-wireless power signal transmitting unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
Example 1
With the development of electric vehicle technology, the research on the endurance mileage of an automobile becomes more and more the key point of the development, wherein the research mainly comprises the research on battery technology and charging technology, and the technology of battery technology relating to the replacement of a battery pack and the increase of the capacity of the battery for storing electric energy, and the charging technology is generally used for charging a charging pile, but the working efficiency of the automobile and drivers is seriously influenced by the mode, so that the mileage anxiety of users is often caused when the users drive on expressways and urban highways; meanwhile, at present, the popularization of electric vehicles is difficult due to the reasons of few charging piles, inconvenience in charging and the like, so that one embodiment of the specification provides a wireless charging method, as shown in fig. 1, the method is a schematic diagram, and wireless transmission of electric energy between vehicles can be realized, so that the purpose of increasing the cruising mileage of the vehicles is achieved.
Specifically, as shown in fig. 2, a step diagram of a wireless charging method provided for one embodiment of the present specification, which is applied to a first vehicle, may include the following steps:
step S110: acquiring a wireless charging instruction;
when the electric energy of the electric vehicle is insufficient during running, a prompt signal is sent to the driver, and at this time, the driver sends a wireless charging instruction, specifically, the wireless charging instruction can be controlled through a control button or voice, and it should be noted that the wireless charging instruction can also be received when the vehicle is in a parking state, and the wireless charging instruction is not limited to the running process.
Step S120: performing wireless power signal matching;
by receiving the wireless charging command, the vehicle is ready to receive the wireless signal, and in order to distinguish different wireless power signals existing on the road, the received wireless power signals need to be matched, or the encrypted wireless power signals need to be matched, so that invalid output of power can be avoided, the utilization efficiency of electric energy can be improved, and certainly, due to the fact that the radiation range of the wireless power signals needs to be considered, the latest wireless power signals can be matched.
In the power signal matching, it is necessary to determine the vehicle requiring determination of energy supply, so step S200 may include the following steps:
s121: transmitting a wireless charging request to a second vehicle;
s122: matching the wireless power signal transmitted by the second vehicle.
The second vehicle may be a vehicle closest to the first vehicle, may be in a driving state or a stationary state, and is not limited herein, when the second vehicle rejects, the request may be continuously made to other vehicles close to the first vehicle until a vehicle agrees to perform wireless power supply, and then it is necessary to receive a wireless power type provided by the power supply vehicle, so as to separately match and transmit power.
Step S130: receiving the wireless power signal to charge a battery of the first vehicle.
After the wireless power matching is completed, the receiving and charging of the power is performed, and optionally, the wireless power signal may be an electromagnetic wave signal without radiation danger to a human body.
In some embodiments, the method further comprises the steps of:
acquiring the first vehicle battery information;
when the electric quantity of the battery reaches a certain threshold value, the charging is disconnected.
The battery information includes, but is not limited to, a battery level, and the threshold may be that the battery is fully charged or reaches a certain level, for example, 80% of the battery level, and of course, since the vehicle may be in a driving process during charging, a continuous charging cannot be guaranteed in consideration of a radiation range of the wireless power signal, a certain charging time may be set, or the wireless power signal is not connected to automatically disconnect the charging.
In view of the above-mentioned wireless charging method, an embodiment of the present specification further provides a wireless charging system, which is applied to a first vehicle, and as shown in fig. 3, the system includes a charging instruction obtaining module 1, a signal matching module 2, and a wireless power signal receiving module 3;
the charging instruction acquisition module 1 is used for acquiring a wireless charging instruction, the instruction is sent by a driver, the control instruction is sent to the charging instruction acquisition module 1 through a vehicle controller, and after the charging instruction is acquired, a wireless charging system of an automobile starts to work; the signal matching module 2 is used for matching wireless power signals, and in order to distinguish different wireless power signals existing in a road, the received wireless power signals need to be matched, or the encrypted wireless power signals can be matched, so that invalid output of power can be avoided, and the utilization efficiency of electric energy is improved; the wireless power signal receiving module 3 is configured to receive the wireless power signal to charge a battery of the first vehicle, and optionally, the wireless power signal may be an electromagnetic wave signal, which does not pose a radiation risk to a human body.
Further, it is necessary to determine a vehicle requiring determination of energy supply first when performing wireless power signal matching, as shown in fig. 4, and therefore the signal matching module 2 may include a charging request unit 21 and a signal matching unit 22; the charging request unit 21 is configured to send a wireless charging request to a second vehicle, where the second vehicle may be a vehicle closest to the first vehicle, when the closest vehicle sends a signal of rejecting charging, the charging request may be performed in sequence according to a principle of proximity, and it is known that the vehicle of the other party agrees to obtain the consent, and of course, the charging request may also be sent to a nearby vehicle in the form of broadcast, and by sending a driving destination or route information of the vehicle, a driver of a power supply vehicle selects whether to match according to a situation of the driver, and when a vehicle selects power supply, the power supply request to another vehicle is automatically turned off, and the driver of the power supply vehicle may match a vehicle with a more suitable route according to the situation of the driver, and thus, the charging time may be increased; the signal matching unit 22 is configured to match the wireless power signal transmitted by the second vehicle.
In some embodiments, in order to improve the utilization efficiency of the electric energy, the system may further include a battery information acquisition module and a charge disconnection module; specifically, the battery information obtaining module is configured to obtain the first vehicle battery information, and the charging disconnection module is configured to determine whether the battery information reaches a threshold value, and if so, control to disconnect charging. The battery information includes, but is not limited to, a battery level, and the threshold may be that the battery is fully charged or reaches a certain level, for example, 80% of the battery level, and of course, since the vehicle may be in a driving process during charging, a continuous charging cannot be guaranteed in consideration of a radiation range of the wireless power signal, a certain charging time may be set, or the wireless power signal is not connected to automatically disconnect the charging.
The above is a wireless charging method provided for a charging vehicle, and one embodiment of the present specification further provides a wireless charging method applied to a second vehicle, i.e., an electric supply vehicle, as shown in fig. 5, the method including the steps of:
step S210: receiving a wireless charging request of a first vehicle;
and under the running or static state of the second vehicle, a wireless charging request of a nearby vehicle can be received, wherein the wireless charging request can be displayed through a display screen, and certainly, the wireless charging request can also be reminded through voice.
Step S220: transmitting a wireless power signal to facilitate charging of the first vehicle.
After receiving a wireless charging request, the second vehicle transmits a wireless power signal, which may be an electromagnetic wave signal, to a requesting vehicle through its wireless transmission module, and the requesting vehicle charges by receiving the wireless power signal transmitted by the second vehicle.
It should be noted that, in order not to affect the normal running of the vehicle itself, after receiving the wireless charging request, the second vehicle may perform comprehensive judgment on request information and vehicle information itself, where the request information includes, but is not limited to, charging time, charging output power, charging distance, and the like, the vehicle information itself includes, but is not limited to, vehicle battery power information, trip information, and the like, and after the comprehensive judgment, the vehicle itself may send a rejection signal to the request vehicle if it is not suitable for external power supply, and when it is possible to externally charge, the second vehicle may transmit a wireless power signal to the request vehicle.
As shown in fig. 6, a flowchart of a wireless charging method is provided for one embodiment of the present invention, when determining to supply energy to the requesting vehicle, in order to avoid the inadvertent consumption of electric energy, a wireless power signal type may be transmitted to the requesting vehicle, the type includes but is not limited to an encrypted wireless power signal, and may be an encrypted electromagnetic wave signal, and when the encrypted wireless power signal matching of the requesting vehicle is successful, the second vehicle transmits a wireless power signal to charge the requesting vehicle.
It should be noted that, in order to avoid the continuous waste of electric energy, when the second vehicle detects that the wireless power signal is not received by the vehicle when the charging of the requesting vehicle is completed or the distance between the two vehicles is too far beyond the range covered by the wireless power signal, the vehicle controller controls to automatically disconnect the transmission of the wireless power signal.
In view of the above-mentioned wireless charging method, an embodiment of the present specification further provides a wireless charging system, which is applied to a second vehicle, that is, a power supply vehicle, as shown in fig. 7, and provides a schematic structural diagram of the wireless charging system for an embodiment of the present invention.
Specifically, the system comprises a charging request receiving module 4 and a wireless signal transmitting module 5; the charging request receiving module 4 is configured to receive a wireless charging request of a first vehicle, where the wireless charging request may be broadcast or wirelessly transmitted, and when the charging request receiving module 4 receives the wireless charging request, the wireless charging request may be displayed on a vehicle display screen or may be prompted by a voice, so that a driver may find the request in time; the wireless signal transmitting module 5 is configured to transmit a wireless power signal to facilitate charging of the first vehicle, where the wireless power signal may be an electromagnetic wave signal, and the requesting vehicle performs charging by receiving the wireless power signal transmitted by the second vehicle.
It should be noted that, in order not to affect the normal running of the vehicle itself, after receiving the wireless charging request, the second vehicle may perform comprehensive judgment on request information and vehicle information itself, where the request information includes, but is not limited to, charging time, charging output power, charging distance, and the like, the vehicle information itself includes, but is not limited to, vehicle battery power information, trip information, and the like, and after the comprehensive judgment, the vehicle itself may send a rejection signal to the request vehicle if it is not suitable for external power supply, and when it is possible to externally charge, the second vehicle may transmit a wireless power signal to the request vehicle.
Therefore, as shown in fig. 9, the system further includes a determining module 6 and a feedback module 7, where the determining module 6 is configured to determine whether to supply power to the first vehicle, and if so, send an operating signal to the wireless signal transmitting module; the feedback module 7 is configured to feed back a rejection signal when it is determined that power is not supplied to the first vehicle.
Further, when it is determined that the requesting vehicle is to be powered, in order to avoid the inadvertent consumption of electrical energy, a wireless power signal type may be transmitted to the requesting vehicle, the type including but not limited to an encrypted wireless power signal, which may be an encrypted electromagnetic wave signal, and when the encrypted wireless power signal matching of the requesting vehicle is successful, the second vehicle may transmit a wireless power signal for charging the requesting vehicle. Therefore, as shown in fig. 8, the wireless signal transmitting module 5 includes a matching type transmitting unit 51 and a wireless power signal transmitting unit 52; the matching type transmitting unit 51 is configured to transmit a wireless power signal type to the first vehicle; the wireless power signal transmitting unit 52 is configured to transmit a wireless power signal according to the wireless power signal type.
In addition, the system can also comprise a real-time monitoring module and a transmitting disconnection module, wherein the real-time monitoring module is used for monitoring the receiving condition of the wireless power signal in real time, and the transmitting disconnection module is used for stopping the transmission of the wireless power signal when the receiving is stopped, so that the waste of electric energy is avoided.
It should be noted that the wireless charging method and system provided above can all operate simultaneously.
The wireless charging method and the wireless charging system have the following beneficial effects that:
1) according to the wireless charging method and system, the wireless charging system is established between the vehicles, so that the wireless charging between the vehicles is facilitated, the time for charging the charging pile or replacing the battery of the vehicle is saved, the driving mileage of the electric vehicle is greatly prolonged, and the service efficiency of the vehicle is improved.
2) The wireless charging method and the wireless charging system adopt a wireless charging mode, so that the charging is more convenient, and the popularization and the promotion of the electric automobile are more facilitated.
3) According to the wireless charging method and system, the transmission electric energy can be shared among the running vehicles, and the time for waiting when the vehicles stop is reduced.
While the invention has been described with reference to specific embodiments, it will be appreciated by those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the invention can be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A wireless charging method applied to a first vehicle, the method comprising the steps of:
acquiring a wireless charging instruction;
performing wireless power matching, the performing wireless power matching comprising: sending a wireless charging request to a second vehicle, specifically, the first vehicle sends a charging demand to nearby vehicles on a near basis, the charging demand comprises charging output power, so that drivers of the nearby vehicles judge whether to supply power according to the charging output power and self information, and the second vehicle is a nearby vehicle selected to supply power; matching wireless power information transmitted by the second vehicle; the vehicle self information comprises vehicle battery electric quantity information and travel information;
receiving the wireless power signal to charge a battery of the first vehicle.
2. A wireless charging method applied to a second vehicle, which is a nearby vehicle determined by a first vehicle on a near-by basis, the method comprising the steps of:
receiving a wireless charging request of a first vehicle; the wireless charging request comprises charging output power;
judging whether to charge the first vehicle according to the charging output power and the self information, and after receiving a wireless charging request, comprehensively judging the request information and the self information of the vehicle by the second vehicle, wherein the self information of the vehicle comprises the electric quantity information of a vehicle battery and the travel information;
if not, sending a rejection signal; if yes, transmitting a wireless power signal;
transmitting a wireless power signal to facilitate charging of the first vehicle.
3. The wireless charging method of claim 2, wherein said transmitting a wireless power signal to facilitate charging of the first vehicle comprises:
transmitting a wireless power signal type to the first vehicle;
and transmitting a wireless power signal according to the wireless power signal type.
4. A wireless charging system is applied to a first vehicle and is characterized by comprising a charging instruction acquisition module (1), a signal matching module (2) and a wireless power signal receiving module (3);
the charging instruction acquisition module (1) is used for acquiring a wireless charging instruction;
the signal matching module (2) is used for performing wireless power matching;
the signal matching module (2) comprises:
the charging request unit (21) is used for sending a wireless charging request to a second vehicle, specifically, the first vehicle sends a charging demand to nearby vehicles on a nearby basis, the charging demand comprises charging output power, so that drivers of the nearby vehicles judge whether power is supplied according to the charging output power and self information, and the second vehicle is a nearby vehicle selected to supply power; the vehicle self information comprises vehicle battery electric quantity information and travel information;
the signal matching unit (22) is used for matching wireless power information transmitted by the second vehicle;
the wireless power signal receiving module (3) is used for receiving the wireless power signal to charge a battery of the first vehicle.
5. A wireless charging system is applied to a second vehicle, wherein the second vehicle is a nearby vehicle determined by a first vehicle based on a nearby principle, and the system is characterized by comprising a charging request receiving module (4), a wireless signal transmitting module (5) and a judging module (6);
the charging request receiving module (4) is used for receiving a wireless charging request of a first vehicle; the wireless charging request comprises charging output power;
the judging module (6) is used for judging whether the first vehicle is charged or not according to the charging output power and the self information, the second vehicle comprehensively judges the request information and the self information of the vehicle after receiving the wireless charging request, the request information comprises charging time, charging output power and charging distance, and the self information of the vehicle comprises the electric quantity information of a vehicle battery and travel information;
if not, sending a rejection signal; if yes, transmitting a wireless power signal;
the wireless signal transmitting module (5) is used for transmitting a wireless power signal so as to facilitate charging of the first vehicle.
6. A wireless charging system according to claim 5, characterized in that the system further comprises a feedback module (7);
the feedback module (7) is used for feeding back a rejection signal when the first vehicle is judged not to be powered.
7. A wireless charging system according to claim 5, wherein the wireless signal transmitting module (5) comprises a matching type transmitting unit (51) and a wireless power signal transmitting unit (52);
the matching type transmitting unit (51) for transmitting a wireless power signal type to the first vehicle;
the wireless power signal transmitting unit (52) is used for transmitting a wireless power signal according to the wireless power signal type.
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| CN104638694B (en) * | 2013-11-11 | 2018-01-23 | 比亚迪股份有限公司 | Wireless charging system and method for electric automobile to electric automobile |
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