CN115817220A - Vehicle wireless charging device, vehicle and charging control method - Google Patents
Vehicle wireless charging device, vehicle and charging control method Download PDFInfo
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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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Abstract
The invention provides a vehicle wireless charging device, a vehicle and a charging control method. The vehicle wireless charging device comprises a protocol trigger coil, a first protocol interaction coil and a charging coil group which are sequentially arranged along a target direction; the protocol trigger coil is used for awakening a second protocol interaction coil positioned on the vehicle when the vehicle is positioned in a trigger awakening area corresponding to the protocol trigger coil; the first protocol interaction coil is used for interacting with the second protocol interaction coil to confirm the charging protocol; and a charging coil set for charging the vehicle according to the confirmed charging protocol. Therefore, the protocol interaction coil can be awakened through the protocol trigger coil in the driving process of the vehicle so as to interact with the vehicle in a protocol mode, then the charging coil is further controlled to be charged through the corresponding charging protocol, and the continuous cruising ability of the vehicle is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of vehicle networking, in particular to a vehicle wireless charging device, a vehicle and a charging control method.
Background
With the development of technology, new energy transport vehicles are widely applied to various fields such as road traffic, warehouse logistics, unmanned express delivery, unmanned food delivery and the like, however, batteries built in existing new energy transport vehicles need to be charged by specific charging equipment, usually need to be charged continuously at a specified position, and have strong dependence on the charging position and the charging duration.
Disclosure of Invention
The embodiment of the invention provides a vehicle wireless charging device, a vehicle and a charging control method, and aims to solve the problem that an existing new energy vehicle has strong dependence on a charging position and charging duration.
In order to solve the problems, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a vehicle wireless charging device, including a protocol trigger coil, a first protocol interaction coil, and a charging coil group, which are sequentially arranged along a target direction; wherein, the first and the second end of the pipe are connected with each other,
the protocol trigger coil is used for awakening a second protocol interaction coil positioned on the vehicle when the vehicle is positioned in a trigger awakening area corresponding to the protocol trigger coil;
the first protocol interaction coil is used for interacting with the second protocol interaction coil to confirm the charging protocol;
a charging coil set for charging the vehicle according to the confirmed charging protocol.
In some embodiments, the charging coil assembly includes a plurality of charging sub-coils, which are sequentially arranged along the target direction and independently controlled.
In some embodiments, the wireless charging device for the vehicle further comprises a feedback coil for receiving a charging state fed back by the vehicle and controlling a power supply state of the charging sub-coil according to the charging state.
In some embodiments, the number of the feedback coils is plural, and the feedback coils and the charging sub-coils are alternately arranged along the target direction.
In some embodiments, the system further comprises a first communication module for communicating with the vehicle to be charged to detect the position of the vehicle to be charged through the communication beacon.
In some embodiments, the vehicle wireless charging device further comprises an image acquisition device, and the vehicle wireless charging device is used for acquiring an image of a vehicle to be charged for charging authentication.
In a second aspect, an embodiment of the present invention provides a vehicle, including:
the second protocol interaction coil is used for interacting with the first protocol interaction coil arranged on the road to confirm the charging protocol;
and the power receiving coil is used for being matched with a charging coil group arranged on the road to obtain electric energy based on the confirmed charging protocol.
In some embodiments, the mobile communication device further comprises a second communication module for communicating with for location detection by the communication beacon.
In a third aspect, an embodiment of the present invention provides a charging control method applied to the vehicle wireless charging apparatus described in any one of the first aspect 6, where the charging control method includes:
when the target vehicle is detected to run along the target direction, awakening a second protocol interaction coil on the target vehicle through a protocol trigger coil, wherein the target vehicle is the vehicle in the second aspect;
interacting with the second protocol interaction coil through a first protocol interaction coil to confirm a charging protocol;
charging the target vehicle according to the confirmed charging protocol through a charging coil group.
In some embodiments, the charging the target vehicle according to the identified charging protocol by the charging coil assembly comprises:
detecting a position of the target vehicle;
controlling a charging sub-coil positioned in a preset range in the traveling direction of the target vehicle to be in a power supply state according to the position of the target vehicle;
and controlling a charging sub-coil located in an area that the target vehicle has traveled through to be in a low power consumption state.
In the embodiment of the invention, a protocol trigger coil and a charging coil group are arranged in sequence along a target direction; the protocol trigger coil is used for awakening a second protocol interaction coil positioned on the vehicle when the vehicle is positioned in a trigger awakening area corresponding to the protocol trigger coil; the first protocol interaction coil is used for interacting with the second protocol interaction coil to confirm the charging protocol; a charging coil set for charging the vehicle according to the confirmed charging protocol. In this way, the protocol interaction coil can be awakened by the protocol trigger coil during the running process of the vehicle so as to perform protocol interaction with the vehicle, and then the charging coil is further controlled to be charged by the corresponding charging protocol. Therefore, the embodiment of the invention can supplement electric energy for the vehicle at any time in the running process of the vehicle, does not need to continuously charge at the appointed charging pile, can use vehicles with various charging protocols, has popularization and universality, and improves the continuous cruising ability of the vehicle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a vehicle wireless charging device provided by an embodiment of the invention;
fig. 2 is a structural diagram of a coil of a wireless charging device for a vehicle according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating operation of a coil of a wireless charging device for a vehicle according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of path prediction and charging sub-coil control provided by an embodiment of the present invention;
fig. 5 is a structural diagram of a vehicle wireless charging device and a vehicle according to an embodiment of the present invention.
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 some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," and the like in the embodiments of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus 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 apparatus. Further, as used herein, "and/or" means at least one of the connected objects, e.g., a and/or B and/or C, means 7 cases including a alone, B alone, C alone, and both a and B present, B and C present, a and C present, and a, B, and C present.
The embodiment of the invention provides a vehicle wireless charging device, a vehicle and a charging control method.
As shown in fig. 1 and 2, in one embodiment, the vehicle wireless charging device includes a protocol trigger coil 110, a first protocol interaction coil 120, and a charging coil group 130, which are sequentially arranged in a target direction.
In the present embodiment, the target direction refers to a vehicle advancing direction on a road, and illustratively, for example, a traveling path of a vehicle that may be a public road, a specified path of an unmanned delivery vehicle in a warehouse, a meal delivery path of an unmanned delivery vehicle in a campus, and the like.
For example, the vehicle wireless charging device can be arranged on a road section with a large vehicle flow, so that vehicles running for a long time, such as buses and taxis, can be charged at any time, the running time of the vehicles is improved, and the operating efficiency is improved.
The vehicle of the present embodiment is provided with a second protocol interaction coil, and the second protocol interaction coil is used for interacting with the first protocol interaction coil 120 arranged on the road to confirm the charging protocol.
The protocol trigger coil 110 is used for waking up a second protocol interaction coil located on the vehicle when the vehicle is located in a trigger wake-up area corresponding to the protocol trigger coil 110. It should be understood that when the vehicle is running, the coil of the first protocol interaction on the vehicle is in a sleep state to save power, and therefore, in this embodiment, the coil 110 of the second protocol interaction is awakened by the protocol trigger coil, so as to prepare for charging.
The vehicle wireless charging device further comprises a first protocol interaction coil 120, the first protocol interaction coil 120 interacting with a second protocol interaction coil for charging protocol validation.
After the charging protocol supported by the vehicle is confirmed, the charging coil set 130 further provides electric energy according to the confirmed charging protocol, and correspondingly, the charging coil set 130 arranged on the road for the power receiving coil on the vehicle based on the confirmed charging protocol is matched to obtain the electric energy, so that the vehicle is charged.
The charging control method provided by the embodiment is applied to the vehicle wireless charging device and the vehicle, and comprises the following steps:
in case it is detected that the target vehicle is driving in the target direction, a second protocol interaction coil on the target vehicle is woken up by the protocol trigger coil 110.
The charging protocol is confirmed by the first protocol interaction coil 120 interacting with the second protocol interaction coil.
Charging the target vehicle according to the confirmed charging protocol through the charging coil assembly 130.
In this embodiment, when the vehicle travels to the wake-up area of the protocol trigger coil 110, the protocol trigger coil 110 wakes up the second protocol interaction coil on the vehicle, then the first interaction coil on the vehicle and the second interaction coil arranged on the road are used to confirm the charging protocol, and finally, the charging coil group 130 charges the target vehicle according to the confirmed charging protocol, so that the vehicle is charged during the traveling process of the vehicle.
In this way, the vehicle can wake up the protocol interaction coil through the protocol trigger coil 110 during driving to perform protocol interaction with the vehicle, and then further control the charging coil to perform charging through a corresponding charging protocol. Therefore, the embodiment of the invention can supplement electric energy for the vehicle at any time in the running process of the vehicle, does not need to continuously charge at the appointed charging pile, can use vehicles with various charging protocols, has popularization and universality, and improves the continuous cruising ability of the vehicle.
It should be understood that, the traveling speeds of the vehicles are different, for example, the traveling speed of the vehicle on a road is faster, while the traveling speed of the vehicle such as an unmanned dining car is relatively slower, in some embodiments, the protocol trigger coil 110 and the charging coil set 130 are sequentially arranged at a certain distance, and the distance may be set according to the traveling speeds of the vehicles in different application scenarios, so as to reserve a certain time for the protocol confirmation and the power supply of the charging coil set 130, thereby improving the charging effect.
As shown in fig. 2, in some embodiments, the charging coil group 130 includes a plurality of charging sub-coils 131, and the plurality of charging sub-coils 131 are sequentially arranged in a target direction.
In some embodiments, the charge control method further comprises:
detecting a position of the target vehicle;
controlling the charging sub-coil 131 located within a preset range in the traveling direction of the target vehicle to be in a power supply state according to the position of the target vehicle;
the charging sub-coil 131 located in the area where the target vehicle has traveled is controlled to be in a low power consumption state.
In this embodiment, each charging sub-coil 131 is independently controlled, in order to save electric energy, in this embodiment, when a vehicle travels to a power supply area corresponding to one charging sub-coil 131, the charging sub-coil 131 may be controlled to be in a power supply state, and a charging sub-coil 131 located in a preset range in a traveling direction of a target vehicle may be understood as a charging sub-coil 131 in front of the vehicle, and the charging sub-coil 131 is in a power supply state, so that the vehicle can be timely provided with electric energy when the vehicle travels to the charging sub-coil 131 later. And for the area that the vehicle has driven, the corresponding charging self-coil is controlled to be in a low power consumption state, wherein the low power consumption state can be a dormant state or an off state, so that the electric energy is saved.
As shown in fig. 3, in the present embodiment, the second protocol interaction coil on the vehicle is first awakened by the protocol trigger coil 110 to perform protocol confirmation, and then the first protocol interaction coil 120 interacts with the second protocol interaction coil on the vehicle to confirm the charging protocol. When the vehicle travels, according to the position of the vehicle, when the vehicle drives one charging sub-coil 131 (the leftmost charging sub-coil 131 in fig. 3), the energy of the charging sub-coil 131 is gradually weakened, the energy of the charging sub-coil 131 (the middle charging sub-coil 131 in fig. 3) that the vehicle passes through is strengthened to provide enough electric energy, and the charging sub-coil 131 (the rightmost charging sub-coil 131 in fig. 3) that the vehicle will drive later is in an energy preparation state and enters an energy strengthening state later in the energy preparation state to reasonably provide electric energy, thereby realizing energy saving.
Further, as shown in fig. 4, the charging sub-coils 131 may also be arranged in an array, and in implementation, the driving path of the vehicle may be estimated, and the control process may be executed only for the area where the path is predicted, so as to control the charging sub-coils 131 in other areas to be always in a low power consumption state, which is beneficial to saving electric energy.
In some embodiments, the vehicle wireless charging apparatus further includes a feedback coil 140, and the feedback coil 140 is configured to receive a charging state fed back by the vehicle and control a power supply state of the charging sub-coil 131 according to the charging state. In some embodiments, the number of the feedback coils 140 is plural, and the feedback coils 140 and the charging sub-coils 131 are alternately arranged along the target direction.
The vehicle feeds back a state feedback signal according to the confirmed charging protocol during power receiving, and the feedback coil 140 is used for receiving the state feedback signal, so as to confirm the real-time charging state and control the power supply state of the subsequent charging sub-coil 131.
In some embodiments, a first communication module is fixedly arranged, and a second communication module is arranged on the vehicle, wherein the first communication module communicates with the second communication module on the vehicle to be charged, so that the position of the vehicle to be charged is detected through a communication beacon.
As shown in fig. 5, in this embodiment, the first communication module may be an Ultra Wide Band (UWB) gateway, and the second communication module may select a corresponding UWB beacon, which can improve the signal transmission speed and the positioning accuracy.
Meanwhile, the first communication module and the second communication module can also be used for realizing data transmission between the vehicle and the vehicle wireless charging device, such as charging authentication, fee settlement and the like.
In some embodiments, a millimeter wave radar may be further provided to assist in detecting the position of the vehicle, so as to improve the accuracy of detecting the position of the vehicle, thereby better controlling the power supply of each charging sub-coil 131, facilitating reasonable utilization of electric energy, and reducing waste.
Further, the millimeter wave radar and the image acquisition device can also be used for identifying the vehicle, so as to confirm the size of the vehicle and apply the result to the prejudgment of the vehicle running path.
After the position of the vehicle is acquired, the traveling position of the vehicle may be predicted, and the charging sub-coil 131 at the subsequent position may be further controlled to perform charging. Further, in some embodiments, the position of the vehicle can be determined by the state feedback signal fed back by the feedback coil 140, which is helpful for improving the accuracy and timeliness of positioning the position of the vehicle, thereby improving the power supply effect.
In some embodiments, the vehicle wireless charging device further comprises an image acquisition device, and the vehicle wireless charging device is used for acquiring an image of the vehicle to be charged for charging authentication. It should be understood that, because image transmission and processing have a delay property, a delay of positioning based on an image is relatively high, in this embodiment, an image acquired by an image acquisition device is mainly used for charging authentication, specifically, charging authentication is performed by acquiring a license plate number of a vehicle, and the like, and authentication information may be used for starting the wireless charging device of the vehicle to charge, and also may be used for cost accounting and the like, which is beneficial to improving charging experience.
As shown in fig. 5, the technical solution of this embodiment can be summarized as that a vehicle wireless charging device is arranged on a roadbed, and the vehicle wireless charging device mainly includes a main control portion, a coil, a UWB gateway, an image acquisition device, a millimeter wave radar, and a communication transmission module for communicating with a background server. The coils are mainly the embedded protocol trigger coil 110, the first protocol interaction coil 120, the charging coil set 130, the feedback coil 140, and the like. The main control part mainly comprises a processor CPU1, a memory DRAM, a memory eMMC, a physical layer PHY and the like, and when the main control part is implemented, required software and hardware structures can be increased or reduced according to requirements.
The vehicle mainly comprises a processor CPU2, a UWB beacon, a coil and the like, wherein the coil on the vehicle mainly comprises a second protocol interaction coil, a power receiving coil and the like, and the structure can be in communication connection with a main control structure of the vehicle through a bus controller so as to carry out information transmission and control management.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The vehicle wireless charging device is characterized by comprising a protocol trigger coil, a first protocol interaction coil and a charging coil group which are sequentially arranged along a target direction; wherein the content of the first and second substances,
the protocol trigger coil is used for awakening a second protocol interaction coil positioned on the vehicle when the vehicle is positioned in a trigger awakening area corresponding to the protocol trigger coil;
the first protocol interaction coil is used for interacting with the second protocol interaction coil to confirm the charging protocol;
a charging coil set for charging the vehicle according to the confirmed charging protocol.
2. The vehicle wireless charging device according to claim 1, wherein the charging coil group comprises a plurality of charging sub-coils, and the plurality of charging sub-coils are sequentially arranged along the target direction and are independently controlled.
3. The vehicle wireless charging device according to claim 2, further comprising a feedback coil for receiving a vehicle feedback charging state and controlling a power supply state of the charging sub-coil according to the charging state.
4. The vehicle wireless charging device according to claim 3, wherein the number of the feedback coils is plural, and the feedback coils and the charging sub-coils are alternately arranged in the target direction.
5. The vehicle wireless charging device according to any one of claims 1 to 4, further comprising a first communication module configured to communicate with a vehicle to be charged to detect a location of the vehicle to be charged through a communication beacon.
6. The vehicle wireless charging device according to claim 5, further comprising an image capturing device for capturing an image of a vehicle to be charged for charging authentication.
7. A vehicle, characterized by comprising:
the second protocol interaction coil is used for interacting with the first protocol interaction coil arranged on the road to confirm the charging protocol;
and the power receiving coil is used for being matched with a charging coil group arranged on the road to obtain electric energy based on the confirmed charging protocol.
8. The vehicle of claim 7, further comprising a second communication module to communicate with for location detection by a communication beacon.
9. A charging control method applied to the vehicle wireless charging apparatus according to any one of claims 1 to 6, comprising:
in the case that a target vehicle is detected to run in a target direction, waking up a second protocol interaction coil on the target vehicle through a protocol trigger coil, wherein the target vehicle is the vehicle in claim 7 or 8;
interacting with the second protocol interaction coil through a first protocol interaction coil to confirm a charging protocol;
charging the target vehicle according to the confirmed charging protocol through a charging coil group.
10. The method of claim 9, wherein the charging the target vehicle according to the identified charging protocol via a charging coil set comprises:
detecting a position of the target vehicle;
controlling a charging sub-coil positioned in a preset range in the traveling direction of the target vehicle to be in a power supply state according to the position of the target vehicle;
and controlling a charging sub-coil located in an area that the target vehicle has traveled through to be in a low power consumption state.
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