CN111762037A - Dynamic wireless charging system - Google Patents
Dynamic wireless charging system Download PDFInfo
- Publication number
- CN111762037A CN111762037A CN201910261678.8A CN201910261678A CN111762037A CN 111762037 A CN111762037 A CN 111762037A CN 201910261678 A CN201910261678 A CN 201910261678A CN 111762037 A CN111762037 A CN 111762037A
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- CN
- China
- Prior art keywords
- wireless charging
- vehicle
- energy
- charging system
- dynamic wireless
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Classifications
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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
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
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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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
A dynamic wireless charging system, comprising: the system comprises a plurality of transmitting coils, a plurality of receiving coils and a scanning module, wherein the scanning module is used for acquiring road surface condition information; and the lifting mechanism is used for changing the relative position with the vehicle body according to the road surface condition information so as to avoid obstacles, and a plurality of induction modules which are closest to the transmitting coil and transmit energy are started. Through set up energy transmitting coil on the road, the vehicle sets up energy receiving coil, make the vehicle can charge in the driving process, and set up scanning device cooperation elevating system and can make the receiving coil who sets up on the chassis can keep away the barrier, elevating system can drive receiving coil and transmitting coil distance more closely simultaneously, energy transmission efficiency is higher, in addition, set up induction module and can open the transmitting coil work nearest with receiving coil, when improving efficiency, it can be energy-conserving to close other transmitting coil.
Description
Technical Field
The invention belongs to the technical field of electric automobiles, and particularly relates to a dynamic wireless charging system.
Background
The electric automobile gradually occupies a huge market in the market due to the advantages of clean energy and no pollution. Electricity is the basis that ensures electric automobile and traveles, and electric automobile's the problem of charging is more complicated at present, can not satisfy people's demand, appears more on the market and adopts electric automobile fixed point to charge, for example fill electric pile and charge, fixed point wireless charging etc. and all require the car must travel fixed position and stop to take special time to charge. Because the vehicle is required to be stopped and a large amount of time is specially spent for charging, the driver needs to wait, and the time is wasted. How to reasonably utilize the time in the driving process of the automobile and reduce the waste of time becomes a problem to be solved.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a dynamic wireless charging system, which aims to solve the problems that a vehicle needs to be parked and charged and the time consumption is long.
A first aspect of an embodiment of the present invention provides a dynamic wireless charging system, including:
a plurality of transmitting coils arranged in an array on a road for transmitting energy;
a receiving coil for coupling with the transmitting coil through a magnetic field to receive energy;
the scanning module is arranged on the vehicle and used for acquiring road surface condition information;
the receiving coil is fixed on a vehicle chassis through the lifting mechanism, and the lifting mechanism is connected with the scanning module and used for changing the relative position with a vehicle body according to the road surface condition information so as to avoid obstacles;
the charging circuit is connected with the receiving coil, receives the energy, converts the energy into electric energy and stores the electric energy in the battery pack;
the induction modules are arranged on a road and are respectively connected with the plurality of transmitting coils, and the induction modules are used for detecting the positions of the receiving coils and starting the transmitting coils closest to the transmitting coils to transmit energy.
In one embodiment, the transmitting coils are buried on a road surface, and two adjacent transmitting coils are spaced by a preset distance, tangent or partially overlapped.
In one embodiment, the lifting mechanism can adjust the height of the lifting mechanism from the ground and the distance between the lifting mechanism and the two sides of the vehicle body.
In one embodiment, the lifting mechanism is further capable of adjusting the speed of changing the relative position with the vehicle body according to the vehicle speed and the road surface condition information.
In one embodiment, the lifting mechanism comprises a driving assembly and a supporting assembly, the receiving coil is arranged on the supporting assembly, one end of the driving assembly is connected with a chassis frame of a vehicle, the other end of the driving assembly is connected with the supporting assembly, and the driving assembly is used for driving the supporting assembly to lift.
In one embodiment, the driving component is a cylinder or a hydraulic cylinder, and the supporting component is a supporting plate.
In one embodiment, the scanning module is a laser scanning device or an infrared scanning device.
In one embodiment, the scanning module is disposed at one end of the head or the lifting mechanism in the direction of the head.
In one embodiment, the scanning module is a controller for analyzing the road surface condition information according to a local map.
In one embodiment, the sensing module is an infrared receiver, and the vehicle is provided with an infrared transmitter.
The energy transmitting coil is arranged on the road, the vehicle is provided with the energy receiving coil, the vehicle can be charged in the driving process, the scanning device is arranged to be matched with the lifting mechanism, the receiving coil arranged on the chassis can avoid obstacles, meanwhile, the lifting mechanism can drive the receiving coil to be closer to the transmitting coil, the energy transmission efficiency is higher, in addition, the induction module is arranged to start the transmitting coil closest to the receiving coil to work, the efficiency is improved, and meanwhile, other transmitting coils can be closed to save energy.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a dynamic wireless charging system according to an embodiment of the present invention;
fig. 2 is a block diagram of an exemplary circuit in a dynamic wireless charging system according to an embodiment of the present invention;
fig. 3 is a schematic layout diagram of a transmitting coil in a dynamic wireless charging system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a lifting mechanism in a dynamic wireless charging system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the dynamic wireless charging system applied to an electric vehicle 100 in the embodiment of the present invention includes a plurality of transmitting coils 102, a receiving coil 101 disposed on the vehicle 100, a scanning module 103, a lifting mechanism 104, a plurality of sensing modules 105, and a charging circuit 106.
A plurality of transmitting coils 102 are arranged in an array on the road, the transmitting coils 102 being for transmitting energy; the receiving coil 101 is used for being mutually coupled with the transmitting coil 102 through a magnetic field to receive energy; the scanning module 103 is arranged on the vehicle 100, and the scanning module 103 is used for acquiring road surface condition information; the receiving coil 101 is fixed on the chassis of the vehicle 100 through a lifting mechanism 104, and the lifting mechanism 104 is connected with the scanning module 103 and used for changing the relative position with the vehicle body according to the road condition information so as to avoid obstacles; the charging circuit 106 is connected with the receiving coil 101, and the charging circuit 106 receives energy and converts the energy into electric energy to be stored in the battery pack 107; the induction modules 105 are arranged on the road, the induction modules 105 are respectively connected with the plurality of transmitting coils 102, and the induction modules 105 are used for detecting the positions of the receiving coils 101 and turning on the transmitting coils 102 which are closest to the transmitting coils 102 to transmit energy.
Through setting up energy transmitting coil 102 on the road, vehicle 100 sets up energy receiving coil 101 for vehicle 100 can charge in the driving process, and set up scanning device cooperation elevating system 104 and can make the receiving coil 101 of setting on the chassis can avoid the barrier, elevating system 104 can drive receiving coil 101 and transmitting coil 102 distance more closely simultaneously, energy transmission efficiency is higher, in addition, set up induction module 105 and can open the work with receiving coil 101 nearest transmitting coil 102, when improving efficiency, it can be energy-conserving to close other transmitting coil 102.
In one embodiment, referring to fig. 1 and 3, the transmitting coils 102 are buried on the road surface, and two adjacent transmitting coils 102 are spaced apart by a predetermined distance, tangent to each other, or partially overlapped (as shown in fig. 3). In addition, the coil shape may be elliptical, circular, rectangular, or the like. The transmitting coil 102 is connected to a power grid, and is powered by the power grid or a power storage station. The transmitting coil 102 may also be powered by energy collected by solar panels on the roadside after conversion.
Referring to fig. 1 and 2, in one embodiment, the scanning module 103 is a laser scanning device or an infrared scanning device. The scanning module 103 is disposed at one end of the head or the lifting mechanism 104 in the direction of the head. The scanning module 103 includes an infrared/laser transmitter, an infrared/laser receiver, a timer, and a processor, and transmits data to the lifting mechanism 104 after detecting the obstacle and distance data. The lifting mechanism 104 can adjust the ground clearance of the lifting mechanism 104 and adjust the distance between the lifting mechanism 104 and the two sides of the vehicle body, that is, the lifting mechanism 104 can drive the receiving coil 101 to move up and down and left and right, so as to adjust the distance between the transmitting coil 102 and the receiving coil, and simultaneously can enable the receiving coil 101 and the lifting mechanism 104 to avoid obstacles, for example, road condition information shows that obstacles exist on the road surface in front, and the lifting mechanism 104 can also move left and right rapidly to avoid the obstacles. Further, the lifting mechanism 104 can also adjust and change the speed of the relative position with the vehicle body according to the vehicle speed and the road surface condition information, so as to further achieve obstacle avoidance, for example, when an obstacle is detected and the current vehicle speed is acquired to be too fast, the lifting speed of the lifting mechanism 104 is correspondingly increased, and the vehicle speed cannot be correspondingly adjusted under general conditions. In case of emergency, the speed of the automobile can be reduced actively without corresponding adjustment.
It can be understood that, after the scanning module 103 detects an obstacle and a corresponding distance, the lifting mechanism 104 adjusts the lifting speed according to the current vehicle speed, so that the lifting mechanism 104 retracts into the vehicle bottom to be flush with the vehicle chassis, thereby avoiding collision with the obstacle, and when the scanning module 103 detects that the lifting mechanism 104 passes through the rear obstacle, the lifting device is adjusted again.
It is understood that energy can be transferred between the receiving coil 101 and the transmitting coil 102 through the action of the magnetic field, and the charging efficiency is affected by the distance between the transmitting coil 102 and the receiving coil, and generally, the closer the distance is, the higher the charging efficiency is. The lifting mechanism 104 can check the distance from the lifting mechanism 104 to the ground in real time, and because the automobile is different in load, different in tire pressure, different in road height and the like, the lifting mechanism 104 needs to dynamically and flexibly adjust the height of the lifting mechanism 104 according to conditions, so that the coupling distance between coils is optimal, and the charging efficiency is improved.
In one embodiment, referring to fig. 2 and fig. 4, the lifting mechanism 104 includes a driving assembly 1041 and a supporting assembly 1042, the receiving coil 101 is disposed on the supporting assembly 1042, one end of the driving assembly 1041 is connected to a chassis frame of the vehicle 100, the other end of the driving assembly 1041 is connected to the supporting assembly 1042, and the driving assembly 1041 is used for driving the supporting assembly 1042 to lift. The driving assembly 1041 is controlled by a driving circuit, which should be connected with the scanning module 103 to obtain a control signal. In one embodiment, the driving assembly 1041 is a pneumatic or hydraulic cylinder, and the supporting assembly 1042 is a supporting plate. In other embodiments, the driving assembly 1041 is a platform support lifting or a force bar lifting.
In other embodiments, the scanning module 103 may also be a controller, such as an in-vehicle computer. The controller may analyze and obtain the road surface condition information from the map through the connection network.
In one embodiment, the sensing module 105 is an infrared receiver and the vehicle 100 is provided with an infrared transmitter. In the process of driving the vehicle 100, due to the change of the position of the vehicle 100, the distance from different transmitting coils 102 may also change at any time, and it is necessary to flexibly select to turn on and off the corresponding transmitting coils 102 according to the position of the vehicle 100. An induction module 105 is installed between the transmitting coil 102 and the transmitting coil 102 on the ground, the induction module 105 can detect the position of the receiving coil 101, the transmitting coil 102 with the best current road surface is matched according to the position of the receiving coil 101, the best transmitting coil 102 is controlled to be started, energy is transferred with a receiving coil of the vehicle 100, and the effect of wirelessly charging the electric vehicle is achieved. When the position of the vehicle 100 changes, the sensing module 105 will detect the position of the receiving coil 101 again, and then control the on/off of the transmitting coil 102 according to the position of the receiving coil 101 matching with the transmitting coil 102 with the best current road surface.
The charging circuit 106 performs rectification, voltage reduction, and voltage stabilization processing on the voltage obtained from the receiving coil 101, and then charges the battery pack 107. The vehicle 100 may be provided with a button inside to control the on/off of the receiving coil 101, the switch of the receiving coil 101 may be manually controlled, and the button may be turned on when dynamic wireless charging is required. The rectification and voltage stabilization module comprises a shaping circuit, a power conversion circuit and the like, different vehicles 100 can be charged by adopting different powers, the wireless charging requirements of different vehicles 100 are met, the energy waste is avoided, and the conversion efficiency of electric energy is improved.
The electric energy received by the receiving coil 101 in the dynamic wireless charging process can be directly stored in the battery pack 107, and then the battery pack 107 supplies power for the automobile to run, so that the effect of charging while walking is achieved. The electric energy received by the receiving coil 101 during the dynamic wireless charging process can also be directly supplied to the automobile for running without being stored in the battery pack 107. The dynamic wireless charging system can reasonably utilize the time of the automobile in the running process, reduce the time waste and improve the cruising ability of the automobile.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A dynamic wireless charging system, comprising:
a plurality of transmitting coils arranged in an array on a road for transmitting energy;
a receiving coil for coupling with the transmitting coil through a magnetic field to receive energy;
the scanning module is arranged on the vehicle and used for acquiring road surface condition information;
the receiving coil is fixed on a vehicle chassis through the lifting mechanism, and the lifting mechanism is connected with the scanning module and used for changing the relative position with a vehicle body according to the road surface condition information;
the charging circuit is connected with the receiving coil, receives the energy, converts the energy into electric energy and stores the electric energy in the battery pack;
the induction modules are arranged on a road and are respectively connected with the plurality of transmitting coils, and the induction modules are used for detecting the positions of the receiving coils and starting the transmitting coils within a preset distance and closest to the transmitting coils to transmit energy.
2. The dynamic wireless charging system of claim 1, wherein the transmitting coils are buried on a road surface, and two adjacent transmitting coils are spaced apart by a predetermined distance, are tangent to each other, or partially overlap each other.
3. The dynamic wireless charging system of claim 1, wherein the lifting mechanism is capable of adjusting its height from the ground and its distance to both sides of the vehicle body.
4. The dynamic wireless charging system of claim 1, wherein the lifting mechanism is further capable of adjusting a speed of changing a relative position to the vehicle body based on a vehicle speed and the road surface condition information.
5. The dynamic wireless charging system according to claim 1, 3 or 4, wherein the lifting mechanism comprises a driving component and a supporting component, the receiving coil is arranged on the supporting component, one end of the driving component is connected with a chassis frame of a vehicle, the other end of the driving component is connected with the supporting component, and the driving component is used for driving the supporting component to lift.
6. The dynamic wireless charging system of claim 5, wherein the driving assembly is a pneumatic or hydraulic cylinder and the support assembly is a support plate.
7. The dynamic wireless charging system of claim 1, wherein the scanning module is a laser scanning device or an infrared scanning device.
8. The dynamic wireless charging system of claim 1 or 7, wherein the scanning module is disposed at one end of the vehicle head or the lifting mechanism in a direction of the vehicle head.
9. The dynamic wireless charging system of claim 1, wherein the scanning module is a controller configured to analyze the road surface condition information according to a local map.
10. The dynamic wireless charging system of claim 1, wherein the sensing module is an infrared receiver and the vehicle is equipped with an infrared transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261678.8A CN111762037A (en) | 2019-04-02 | 2019-04-02 | Dynamic wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261678.8A CN111762037A (en) | 2019-04-02 | 2019-04-02 | Dynamic wireless charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111762037A true CN111762037A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910261678.8A Pending CN111762037A (en) | 2019-04-02 | 2019-04-02 | Dynamic wireless charging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366722A (en) * | 2022-07-20 | 2022-11-22 | 广西电网有限责任公司电力科学研究院 | Wireless charging system power transmitting module jacking device |
-
2019
- 2019-04-02 CN CN201910261678.8A patent/CN111762037A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366722A (en) * | 2022-07-20 | 2022-11-22 | 广西电网有限责任公司电力科学研究院 | Wireless charging system power transmitting module jacking device |
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