CN112356691A - Dynamic wireless charging system and method - Google Patents

Dynamic wireless charging system and method Download PDF

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Publication number
CN112356691A
CN112356691A CN202011156392.2A CN202011156392A CN112356691A CN 112356691 A CN112356691 A CN 112356691A CN 202011156392 A CN202011156392 A CN 202011156392A CN 112356691 A CN112356691 A CN 112356691A
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CN
China
Prior art keywords
power
wireless charging
charging
charged
automobile
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Pending
Application number
CN202011156392.2A
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Chinese (zh)
Inventor
李顺喜
张熙昭
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN202011156392.2A priority Critical patent/CN112356691A/en
Publication of CN112356691A publication Critical patent/CN112356691A/en
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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
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/51—Photovoltaic means
    • 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
    • B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • 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
    • B60L53/66—Data transfer between charging stations and vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/21—Supporting structures directly fixed to an immovable object specially adapted for motorways, e.g. integrated with sound barriers
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • 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
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to a system and a method for dynamic wireless charging, belonging to the technical field of electric vehicle charging, comprising the following steps: the charging system comprises a photovoltaic output unit, a power receiving unit and a load monitoring unit, wherein the power output unit is arranged in a lateral vertical mode, is positioned on the side of an automobile to be charged during charging and is used for providing wireless charging power for the automobile to be charged; the power receiving unit is arranged on a lateral telescopic rod positioned on the upper side of the automobile to be charged and used for receiving the wireless charging power of the power output unit; and the load monitoring unit is arranged on the lateral telescopic rod of the automobile to be charged and used for sensing the barrier so as to automatically control the lateral telescopic rod to stretch. According to the method, the lateral telescopic rod is utilized, and a lateral arrangement mode is adopted, so that the vehicle external telescopic rod receives the wireless charging power of the lateral vertical power output unit, the wireless charging device is effectively prevented from being damaged, and the charging efficiency is improved.

Description

Dynamic wireless charging system and method
Technical Field
The invention relates to the technical field of electric vehicle charging, in particular to a dynamic wireless charging system and method.
Background
In recent years, China vigorously develops highway construction, highway mileage and road service level are continuously improved, the construction requirement on a highway electric power system is higher and higher, a traditional highway electric power system mostly adopts a mode of laying a power supply cable for power supply, and the power supply mode has the defects of high power supply cost, long mileage span, difficulty in maintenance and the like. The solar photovoltaic energy storage system is a stable and reliable distributed clean power supply system, can meet diversified power consumption requirements and various complex and harsh power consumption environments, forms a small micro-grid system by solar photovoltaic and energy storage, is applied to the field of highways, has the advantages of simple installation, convenience in maintenance, high cost performance and the like except that the utilized resources are green and reproducible, and is an ideal power supply selection. The solar photovoltaic power generation not only can meet the power consumption requirements of medium and small equipment such as an outfield monitoring camera, a street lamp, a variable information sign and the like, but also has the price advantage, and has wide market prospect under the strong support of various government policies.
With the popularization and application of electric automobiles in China, the improvement of electric energy supply supporting facilities is necessary, the electric automobiles can be charged while walking on a highway, and the electric automobile charging device has great practical significance for prolonging the driving mileage of the electric automobiles and relieving the mileage anxiety of electric automobile owners. However, the existing wireless charging facilities laid on the road surface cannot effectively charge while walking, and on one hand, the self-gravity of the heavy-duty vehicle is easy to damage the wireless charging facilities, so that the existing wireless charging facilities on the road are difficult to be suitable for the heavy-duty vehicle and are limited in application; on the other hand, due to the influence of complex driving conditions on roads, the existing wireless charging facilities paved on the road surface are easily damaged, and the charging function is easily lost.
Disclosure of Invention
Accordingly, there is a need for a system and method for dynamic wireless charging, which is used to solve the problems of limited application and easy damage of the conventional wireless charging facilities on the highway.
The invention provides a dynamic wireless charging system, which comprises a photovoltaic output unit, a power receiving unit and a load monitoring unit, wherein:
the photovoltaic output unit is used for providing charging electric energy for the power output unit;
the power output unit is arranged in a lateral vertical mode, is positioned on the side of the automobile to be charged during charging and is used for providing wireless charging power for the power receiving unit;
the power receiving unit is arranged on a lateral telescopic rod of the automobile to be charged and used for receiving the wireless charging power of the power output unit, wherein the lateral telescopic rod is embedded into the bottom of the side of the automobile to be charged, extends out laterally when a charging instruction is obtained and is in charging connection with the power output unit;
the load monitoring unit is arranged on the lateral telescopic rod of the automobile to be charged and used for sensing an obstacle so as to automatically control the lateral telescopic rod to stretch and retract.
Further, the photovoltaic output unit comprises a photovoltaic power generation module and a photovoltaic energy storage module, wherein:
the photovoltaic power generation module is used for acquiring solar energy and converting the solar energy into charging electric energy;
the photovoltaic energy storage module is used for storing the charging electric energy and providing the charging electric energy for the power output unit.
Further, the photovoltaic power generation module comprises a plurality of photovoltaic power generation panels, and the layout of the photovoltaic power generation panels is set according to the environmental factors of the installation place, wherein the environmental factors comprise the geographical position and the sunlight intensity.
Further, the power output unit comprises a system general control module and a power transmitting module, wherein:
the system general control module is used for receiving and forwarding charging data of the automobile to be charged and controlling the energy supply of the power transmitting module according to the charging data;
the power transmitting module comprises a plurality of groups of wireless charging power transmitting coils and a plurality of groups of position sensors and is used for transmitting coil position information acquired by the position sensors to the system master control module, and the power receiving unit sends the wireless charging power under the energy supply control of the system master control module.
Further, the system master control module comprises a system monitoring module and an output control module, wherein:
the system monitoring module comprises a wireless communication receiving device and a data processing device, wherein the wireless communication receiving device is used for receiving the charging data of the automobile to be charged, and the data processing device is used for determining the wireless charging power transmitting coil which needs to start a power supply function in the power transmitting module according to the charging data;
and the output control module is used for carrying out output control on the wireless charging power transmitting coil which needs to start the power supply function in the power transmitting module.
Further, the power receiving unit includes a wireless charging power receiving coil and a rectifying device, wherein:
the wireless charging power receiving coil is arranged at the tail end of the lateral telescopic rod and is used for being coupled with the wireless charging power transmitting coil;
the rectifying device is installed at the front end of the battery of the automobile to be charged and used for rectifying the coupling current generated by the wireless charging power receiving coil so as to charge the battery of the automobile to be charged.
Further, the load monitoring unit comprises an induction camera and a wireless communication transmitting device, wherein:
the induction camera is arranged in the middle of the lateral telescopic rod and used for detecting the obstacle during charging and transmitting an obstacle control signal to the lateral telescopic rod so as to enable the lateral telescopic rod to be automatically closed and embedded into the bottom of the side of the automobile to be charged;
the wireless communication transmitting device is used for acquiring the charging data of the automobile to be charged and transmitting the charging data of the automobile to be charged to the system master control module so as to enable the system master control module to perform corresponding energy supply control.
Furthermore, the lateral telescopic rod extends out in an anticlockwise rotating mode, closes in a clockwise rotating mode, and is vertically connected with the automobile body of the automobile to be charged and the power output unit respectively after extending out and fixing in the anticlockwise rotating mode.
The invention also provides a dynamic wireless charging method, which is based on the above dynamic wireless charging system and comprises the following steps:
when the automobile to be charged acquires a charging instruction, the lateral telescopic rod is controlled to extend out laterally and is in charging connection with the power output unit;
when the automobile to be charged acquires a charging instruction, the lateral telescopic rod is controlled to extend out laterally and is in charging connection with the power output unit;
the power output unit acquires charging data of the automobile to be charged, determines a wireless charging power transmitting coil needing to start a power supply function, and provides wireless charging power for the power receiving unit;
and a wireless charging power receiving coil in the power receiving unit is coupled with the wireless charging power transmitting coil needing to start the power supply function so as to charge the battery of the automobile to be charged.
Further, still include:
when an induction camera in the load monitoring unit detects an obstacle during charging, transmitting an obstacle control signal to the lateral telescopic rod;
the lateral telescopic rod is automatically closed and is embedded into the bottom of the side of the automobile to be charged.
Compared with the prior art, the invention has the beneficial effects that: by utilizing the lateral telescopic rods and adopting a lateral arrangement mode, the vehicle external telescopic rods receive the wireless charging power of the lateral vertical power output unit, and a traditional power system does not need to be laid on the ground, so that the cost is saved; meanwhile, the power output unit of the lateral vertical cloth is utilized to effectively prevent the wireless charging device from being damaged, increase the charging efficiency, effectively prolong the driving mileage of the electric vehicle and relieve the mileage anxiety of the electric vehicle owner, the influence of the vehicle weight on the wireless charging device is not required to be considered, positive promotion benefits exist for the electromotion of the heavy commercial vehicle, the damage of system parts caused by the vehicle weight is greatly reduced, and the maintenance are convenient.
Drawings
Fig. 1 is a schematic structural diagram of a dynamic wireless charging system provided in the present invention;
fig. 2 is a schematic flow chart of a dynamic wireless charging method according to the present invention.
Reference numerals:
the system comprises a photovoltaic output unit, a photovoltaic power generation module, a photovoltaic power generation panel 1011, a photovoltaic energy storage module 102, a power output unit 2, a system master control module 201, a system monitoring module 2011, an output control module 2012, a power emission module 202, a wireless charging power emission coil 2021, a position sensor 2022, a power receiving unit 3, a wireless charging power receiving coil 301, a rectifying device 302, a load monitoring unit 4, an induction camera 401, a wireless communication emission device 402 and a lateral telescopic rod 5.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Example 1
An embodiment of the present invention provides a dynamic wireless charging system, and referring to fig. 1, fig. 1 is a schematic structural diagram of the dynamic wireless charging system provided in the present invention, and includes a photovoltaic output unit 1, a power output unit 2, a power receiving unit 3, and a load monitoring unit 4, where:
a photovoltaic output unit 1 for supplying charging electric energy to the power output unit 2;
the power output unit 2 is arranged in a lateral vertical mode, is positioned on the side of the automobile to be charged during charging, and is used for providing wireless charging power for the power receiving unit 3;
the power receiving unit 3 is arranged on a lateral telescopic rod 5 of the automobile to be charged and used for receiving the wireless charging power of the power output unit 2, wherein the lateral telescopic rod 5 is embedded into the bottom of the side of the automobile to be charged, extends out laterally when a charging instruction is obtained and is in charging connection with the power output unit 2;
and the load monitoring unit 4 is arranged on the lateral telescopic rod 5 of the automobile to be charged and used for sensing the barrier so as to automatically control the lateral telescopic rod 5 to stretch.
According to the dynamic wireless charging system provided by the embodiment of the invention, the photovoltaic output unit 1 is arranged to provide charging electric energy for the power output unit 2; by arranging the power output units 2 which are vertically arranged in the lateral direction, the lateral charging of the automobile to be charged is facilitated, the charging equipment is prevented from being arranged on the ground, the use of heavy vehicles is facilitated, and the maintenance cost is saved; the power receiving unit 3 is arranged to effectively receive the converted charging electric energy and effectively charge the battery of the automobile to be charged; through setting up load monitoring unit 4, the barrier that appears suddenly when preventing to charge is to the harm of lateral telescopic link 5, guarantees entire system's security.
Preferably, the photovoltaic output unit 1 unit comprises a photovoltaic power generation module 101 and a photovoltaic energy storage module 102, wherein:
the photovoltaic power generation module 101 is used for acquiring solar energy and converting the solar energy into charging electric energy;
and the photovoltaic energy storage module 102 is used for storing the charging electric energy and providing the charging electric energy to the power output unit 2.
Therefore, the photovoltaic power generation module 101 is arranged to complete conversion from solar energy to charging electric energy, and the photovoltaic energy storage module 102 is arranged to effectively store the charging electric energy, so that the automobile to be charged can be charged subsequently.
Preferably, the photovoltaic power generation module 101 includes a plurality of photovoltaic power generation panels 1011, and the layout of the photovoltaic power generation panels 1011 is set according to the environmental factors of the installation site, wherein the environmental factors include the geographical position and the intensity of sunlight. Thus, by providing the photovoltaic power generation panel 1011 in the photovoltaic power generation module 101, solar energy is efficiently collected.
It should be noted that, according to the geographical position of the installation site and the environmental factors such as the sunlight intensity, a suitable installation layout of the photovoltaic power generation panels 1011 is selected, and the photovoltaic panels with the areas suitable for the two sides of the highway slope protection, the mountain slope or the outer end of the lateral power emission layer of the highway can be installed, so that the solar energy resources are utilized as much as possible, and the power generation capacity is improved.
Preferably, the power output unit 2 comprises a system overall control module 201 and a power transmitting module 202, wherein:
the system main control module 201 is used for receiving and forwarding charging data of the automobile to be charged and controlling the energy supply of the power transmitting module 202 according to the charging data;
the power transmitting module 202, which includes multiple sets of wireless charging power transmitting coils 2021 and multiple sets of position sensors 2022, is configured to send wireless charging power to the power receiving unit 3 according to the coil position information acquired by the position sensors 2022 under the control of the power supply of the system general control module 201.
Therefore, the system main control module 201 is arranged to receive the charging data of the automobile to be charged, namely, the energy supply control is carried out efficiently according to the charging state of the automobile to be charged, the charging data of the automobile to be charged is received and forwarded, the energy supply control of the wireless charging power transmitting coil 2021 is carried out, and the requirements on data and control real-time performance can be met; meanwhile, by arranging the power transmitting module 202, the wireless charging power is accurately transmitted to the wireless charging power receiving coil 301 which needs to be charged in the power receiving unit 3 according to the coil position information, so that the charging accuracy and efficiency are ensured.
Preferably, the system general control module 201 includes a system monitoring module 2011 and an output control module 2012, wherein:
the system monitoring module 2011 includes a wireless communication receiving device (not shown in fig. 1) and a data processing device (not shown in fig. 1), the wireless communication receiving device is configured to receive charging data of the vehicle to be charged, and the data processing device is configured to determine, according to the charging data, a wireless charging power transmitting coil 2021, which is required to start a power supply function, in the power transmitting module 202;
the output control module 2012 is configured to perform output control on the wireless charging power transmitting coil 2021, which needs to turn on the power supply function, in the power transmitting module 202.
Therefore, by arranging the system monitoring module 2011 in the system master control module 201, the charging data is effectively received to identify the charging state, and meanwhile, the data processing device is arranged to effectively process the charging data to determine the wireless charging power transmitting coil 2021 which needs to be turned on. On the other hand, the output control module 2012 is configured to turn on the corresponding wireless charging power transmitting coil 2021, so as to ensure the effectiveness of the wireless charging power output.
Specifically, the above charging data includes power demand position information transmitted from the load monitoring unit 4, vehicle power battery State of Charge (SOC) value information, and energizing position information of the wireless charging power transmitting coil 2021 transmitted from the position sensor 2022 in the power transmitting module 202. The wireless communication receiving device in the system monitoring module 2011 is configured to receive power demand position information, vehicle power battery state of charge value information, and wireless charging power transmitting coil 2021 energy supply position information, obtain transmitting coil position information to be supplied with energy at a next stage according to the received charging data, and transmit the transmitting coil position information to the output control module 2012, and the output control module 2012 receives transmitting coil position information to be supplied with energy at the next stage from the system monitoring module 2011 and controls to turn on the corresponding output function of the wireless charging power transmitting coil 2021, thereby completing output of wireless charging power to the power receiving unit 3.
It should be noted that, since the wireless charging transmitting coil with a length of tens of kilometers or even hundreds of kilometers is completely powered during the dynamic driving of the vehicle, which may cause waste of resources, the system monitoring module 2011 and the output control module 2012 need to be arranged to monitor the state of the vehicle to be charged, the wireless charging power transmitting coil 2021 at the corresponding position is turned on, and the corresponding wireless charging power receiving coil 301 is charged, so that waste of resources is avoided.
In a specific embodiment of the invention, the power output unit 2 is arranged in a lateral vertical arrangement, and is installed on the right side of the highway. Therefore, the wireless charging power output device not only plays a role of a guard fence, but also effectively outputs wireless charging power.
Preferably, the power receiving unit 3 includes a wireless charging power receiving coil 301, a rectifying device 302, wherein:
the wireless charging power receiving coil 301 is arranged at the tail end of the lateral telescopic rod 5 and is used for being coupled with the wireless charging power transmitting coil 2021;
and the rectifying device 302 is installed at the front end of the battery of the automobile to be charged and is used for rectifying the coupling current generated by the wireless charging power receiving coil 301 so as to charge the battery of the automobile to be charged.
Thus, the wireless charging power receiving coil 301 is provided in the power output unit 2 to perform efficient coupling to generate a coupling current, and the rectifying device 302 is provided to rectify the coupling current to ensure output of a direct current for efficient charging of the battery.
Preferably, the load monitoring unit 4 comprises an inductive camera 401, a wireless communication transmitting device 402, wherein:
the induction camera 401 is mounted in the middle of the lateral telescopic rod 5 and used for detecting an obstacle during charging and transmitting an obstacle control signal to the lateral telescopic rod 5 so that the lateral telescopic rod 5 is automatically closed and embedded into the bottom of the side of the automobile to be charged;
and the wireless communication transmitting device 402 is used for acquiring the charging data of the automobile to be charged and transmitting the charging data of the automobile to be charged to the system master control module 201, so that the system master control module 201 performs corresponding energy supply control.
From this, through set up response camera 401 at load monitoring unit 4 to detect the barrier that appears suddenly when charging, in time avoid the barrier to the harm of lateral telescopic link 5. Meanwhile, a wireless communication transmitting device 402 is arranged to collect corresponding charging data and transmit the charging data to the system master control module 201, so that the system master control module 201 performs corresponding function control.
Preferably, the lateral telescopic rod 5 extends in a counterclockwise rotating mode, is closed in a clockwise rotating mode, is at a 90-degree right angle with the body of the automobile to be charged after being fixedly extended in the counterclockwise rotating mode, and is vertically connected with the power output unit 2. From this, set up the automatic flexible mode of side direction telescopic link 5, guarantee that it stretches out smoothly or imbeds, and under the charged state, set up its and automobile body and power output unit 2's connected mode, guarantee the steadiness under its charged state.
It should be noted that the wireless charging power receiving coil 301 is installed at the tail end of the lateral telescopic rod 5, and when the owner requests charging, the wireless charging power receiving coil 301 is automatically unfolded, and then receives wireless charging power to charge the battery of the vehicle to be charged; the induction camera 401 is installed in the middle of the lateral telescopic rod 5, when the vehicle runs on a right lane, and the lateral telescopic rod 5 is unfolded to perform wireless charging, whether an obstacle exists in front of the vehicle is monitored, if the obstacle is found, a control signal is transmitted to the lateral telescopic rod 5, and the lateral telescopic rod 5 receives the signal and automatically closes to prevent collision; the wireless communication transmitting device 402 collects the power demand position information of the vehicle to be charged, the vehicle power battery SOC value information, and the like (i.e., charging data), and transmits the power demand position information and the vehicle power battery SOC value information to the system monitoring unit of the system general control module 201, so as to perform power output matching and wireless charging control.
Example 2
An embodiment of the present invention provides a dynamic wireless charging method, based on the above dynamic wireless charging system, and with reference to fig. 2, fig. 2 is a schematic flow chart of the dynamic wireless charging method provided in the present invention, including steps S1 to S4, where:
in step S1, when the vehicle to be charged obtains a charging command, the lateral expansion rod 5 is controlled to extend laterally to be connected with the power output unit 2 in a charging manner;
in step S2, the power output unit 2 acquires charging data of the vehicle to be charged, determines that the wireless charging power transmitting coil 2021 with the power supply function needs to be turned on, and provides wireless charging power to the power receiving unit 3;
in step S3, the wireless charging power receiving coil 301 in the power receiving unit 3 is coupled with the wireless charging power transmitting coil 2021, which needs to turn on the power supply function, to charge the battery of the vehicle to be charged.
According to the dynamic wireless charging method provided by the embodiment of the invention, firstly, the lateral connection during charging is carried out by utilizing the lateral telescopic rod 5, so that the lateral charging of an automobile to be charged is facilitated, and the charging facility is prevented from being installed on the ground and bearing heavy pressure; then the power output unit 2 receives the charging data, determines the wireless charging power transmitting coil 2021 which needs to start the power supply function, and effectively wirelessly charges the battery, thereby avoiding the waste of resources; finally, the load monitoring unit 4 is arranged, so that damage to the lateral telescopic rod 5 caused by suddenly appearing obstacles during charging is prevented, and the safety of the whole system is guaranteed.
Preferably, the method for dynamic wireless charging further includes:
when the sensing camera 401 in the load monitoring unit 4 detects an obstacle during charging, transmitting an obstacle control signal to the lateral telescopic rod 5;
the lateral telescopic rod 5 is automatically closed and is embedded into the bottom of the side of the automobile to be charged again.
Therefore, the monitoring function of the load monitoring unit 4 is fully utilized, and the lateral rod is timely retracted when the obstacle is detected, so that the safety of the whole charging system is enhanced.
Example 3
An embodiment of the present invention provides a dynamic wireless charging apparatus, which includes a processor and a memory, where the memory stores a computer program, and when the computer program is executed by the processor, the method for dynamic wireless charging as described in embodiment 2 above is implemented.
Example 4
An embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for dynamic wireless charging as in embodiment 2 above is implemented.
The invention discloses a dynamic wireless charging system and a dynamic wireless charging method.A photovoltaic output unit is arranged to provide charging electric energy for a power output unit; by arranging the power output units which are vertically arranged in the lateral direction, the lateral charging of the automobile to be charged is facilitated, the charging equipment is prevented from being arranged on the ground, the use of heavy vehicles is facilitated, and the maintenance cost is saved; the power receiving unit is arranged to effectively receive the converted charging electric energy and effectively charge the battery of the automobile to be charged; through setting up load monitoring unit, the barrier that appears suddenly when preventing to charge guarantees entire system's security to the harm of lateral telescopic link.
According to the technical scheme, the vehicle is externally connected with the telescopic rod to receive the wireless charging power of the lateral vertical power output unit, a traditional power system does not need to be laid on the ground, and cost saving is achieved; meanwhile, the power output unit of the lateral vertical cloth is utilized to effectively prevent the wireless charging device from being damaged, increase the charging efficiency, effectively prolong the driving mileage of the electric vehicle and relieve the mileage anxiety of the electric vehicle owner, the influence of the vehicle weight on the wireless charging device is not required to be considered, positive promotion benefits exist for the electromotion of the heavy commercial vehicle, the damage of system parts caused by the vehicle weight is greatly reduced, and the maintenance are convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention.

Claims (10)

1. The utility model provides a system that charges that developments are wireless, its characterized in that includes photovoltaic output unit, power receiving element, load monitoring unit, wherein:
the photovoltaic output unit is used for providing charging electric energy for the power output unit;
the power output unit is arranged in a lateral vertical mode, is positioned on the side of the automobile to be charged during charging and is used for providing wireless charging power for the power receiving unit;
the power receiving unit is arranged on a lateral telescopic rod of the automobile to be charged and used for receiving the wireless charging power of the power output unit, wherein the lateral telescopic rod is embedded into the bottom of the side of the automobile to be charged, extends out laterally when a charging instruction is obtained and is in charging connection with the power output unit;
the load monitoring unit is arranged on the lateral telescopic rod of the automobile to be charged and used for sensing an obstacle so as to automatically control the lateral telescopic rod to stretch and retract.
2. The system of claim 1, wherein the photovoltaic output unit comprises a photovoltaic power generation module and a photovoltaic energy storage module, wherein:
the photovoltaic power generation module is used for acquiring solar energy and converting the solar energy into charging electric energy;
the photovoltaic energy storage module is used for storing the charging electric energy and providing the charging electric energy for the power output unit.
3. The system for dynamic wireless charging according to claim 1, wherein the photovoltaic power generation module comprises a plurality of photovoltaic power generation panels, the layout of the photovoltaic power generation panels is set according to environmental factors of an installation place, wherein the environmental factors comprise geographical position and sunlight intensity.
4. The dynamic wireless charging system according to claim 2, wherein the power output unit comprises a system general control module and a power transmitting module, wherein:
the system general control module is used for receiving and forwarding charging data of the automobile to be charged and controlling the energy supply of the power transmitting module according to the charging data;
the power transmitting module comprises a plurality of groups of wireless charging power transmitting coils and a plurality of groups of position sensors and is used for transmitting coil position information acquired by the position sensors to the system master control module, and the power receiving unit sends the wireless charging power under the energy supply control of the system master control module.
5. The dynamic wireless charging system according to claim 3, wherein the system general control module comprises a system monitoring module and an output control module, wherein:
the system monitoring module comprises a wireless communication receiving device and a data processing device, wherein the wireless communication receiving device is used for receiving the charging data of the automobile to be charged, and the data processing device is used for determining the wireless charging power transmitting coil which needs to start a power supply function in the power transmitting module according to the charging data;
and the output control module is used for carrying out output control on the wireless charging power transmitting coil which needs to start the power supply function in the power transmitting module.
6. The dynamic wireless charging system according to claim 3, wherein the power receiving unit comprises a wireless charging power receiving coil and a rectifying device, wherein:
the wireless charging power receiving coil is arranged at the tail end of the lateral telescopic rod and is used for being coupled with the wireless charging power transmitting coil;
the rectifying device is installed at the front end of the battery of the automobile to be charged and used for rectifying the coupling current generated by the wireless charging power receiving coil so as to charge the battery of the automobile to be charged.
7. The dynamic wireless charging system according to claim 3, wherein the load monitoring unit comprises an inductive camera and a wireless communication transmitter, wherein:
the induction camera is arranged in the middle of the lateral telescopic rod and used for detecting the obstacle during charging and transmitting an obstacle control signal to the lateral telescopic rod so as to enable the lateral telescopic rod to be automatically closed and be embedded into the bottom of the side of the automobile to be charged again;
the wireless communication transmitting device is used for acquiring the charging data of the automobile to be charged and transmitting the charging data of the automobile to be charged to the system master control module so as to enable the system master control module to perform corresponding energy supply control.
8. The dynamic wireless charging system according to any one of claims 1 to 7, wherein the lateral telescopic rod extends in a counterclockwise rotating manner, is closed in a clockwise rotating manner, and is vertically connected with the body of the vehicle to be charged and the power output unit respectively after the lateral telescopic rod extends and is fixed in the counterclockwise rotating manner.
9. A dynamic wireless charging method, based on the system for dynamic wireless charging according to any one of claims 1-8, comprising:
when the automobile to be charged acquires a charging instruction, the lateral telescopic rod is controlled to extend out laterally and is in charging connection with the power output unit;
the power output unit acquires charging data of the automobile to be charged, determines a wireless charging power transmitting coil needing to start a power supply function, and provides wireless charging power for the power receiving unit;
and a wireless charging power receiving coil in the power receiving unit is coupled with the wireless charging power transmitting coil needing to start the power supply function so as to charge the battery of the automobile to be charged.
10. The method of dynamic wireless charging of claim 9, further comprising:
when an induction camera in the load monitoring unit detects an obstacle during charging, transmitting an obstacle control signal to the lateral telescopic rod;
the lateral telescopic rod is automatically closed and is embedded into the bottom of the side of the automobile to be charged again.
CN202011156392.2A 2020-10-26 2020-10-26 Dynamic wireless charging system and method Pending CN112356691A (en)

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Publication number Priority date Publication date Assignee Title
CN106740167A (en) * 2016-11-21 2017-05-31 江苏大学 A kind of electric automobile dynamic regulation wireless charging system and its control method
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Application publication date: 20210212