WO2018196385A1

WO2018196385A1 - Dynamic induction wireless charging system for vehicle and charging system of vehicle

Info

Publication number: WO2018196385A1
Application number: PCT/CN2017/114798
Authority: WO
Inventors: 马邦华; 焦来磊; 战张磊; 蒋晓慧
Original assignee: 中惠创智无线供电技术有限公司
Priority date: 2017-04-28
Filing date: 2017-12-06
Publication date: 2018-11-01
Also published as: CN107176045B; CN107176045A

Abstract

A dynamic induction wireless charging system for a vehicle and a charging system of a vehicle, the dynamic induction wireless charging system comprising: a position sensor (12) for detecting wheel position information about a vehicle; a coil switching control system for controlling the state of a corresponding transmitting coil in a transmitting coil group (40) according to the wheel position information; a power supply cabinet for supplying electric energy according to the state of the corresponding transmitting coil in the transmitting coil group (40), and charging the vehicle; an alternating-current side meter for calculating an alternating-current side electric quantity generated by the vehicle passing through each wireless charging area, and transmitting the alternating-current side electric quantity generated in each wireless charging area to a charging management cloud platform (50) by means of a ground control and remote transmission module (30); and the charging management cloud platform (50) for obtaining the total alternating-current side electric quantity according to the alternating-current side electric quantity generated in each wireless charging area. The present invention can avoid the problem of a vehicle waiting during a charging process, and can improve the battery life without carrying a vehicle-mounted battery, thereby reducing the weight of a vehicle body and avoiding secondary pollution caused by battery recycling.

Description

Dynamic induction wireless charging system for vehicles and charging system for vehicles

The present application claims priority to Chinese Patent Application No. 200910299024.5, entitled "Dynamic Inductive Wireless Charging System for Vehicles and Charging System for Vehicles", filed on April 28, 2017, the entire contents of which are incorporated herein by reference. This is incorporated herein by reference.

Technical field

The present invention relates to the field of electric vehicle technology, and more particularly to a dynamic induction wireless charging system for a vehicle and a charging system for a vehicle.

Background technique

The dynamic wireless power supply technology uses the ground wireless power transmitting end to wirelessly charge the moving electric vehicle to realize the endurance of the electric vehicle.

The current wireless power supply for electric vehicles mainly adopts the method of fixing the power at a fixed point. It is to fix the charging pile in some fixed positions, and solve the problem of battery life between the two charging piles by the vehicle battery.

This will cause the car to stop for charging after a period of time, and it will take a certain amount of time to charge. If you want to have a long battery life, the vehicle needs to be equipped with a large-sized car battery, and the battery needs to be replaced due to the aging of the battery. Cost issues and environmental pollution issues.

Summary of the invention

In view of the above, an object of the present invention is to provide a dynamic induction wireless charging system for a vehicle and a charging system for a vehicle, which can avoid the problem that the vehicle waits during the charging process, and can realize the endurance without the need to mount the vehicle battery, thereby reducing Body weight to avoid secondary pollution caused by battery recycling.

In a first aspect, an embodiment of the present invention provides a dynamic inductive wireless charging system for a vehicle, including: a plurality of wireless charging transmitting units, a plurality of electric energy metering systems, a plurality of ground control and remote transmission modules, and a charging management cloud platform, wherein The wireless charging transmitting unit includes a coil switching control cabinet, a power cabinet, a position sensor, and a transmitting coil group, the coil switching control cabinet includes a coil switching control system, and the electric energy metering system includes an AC side meter;

The position sensor is configured to detect wheel position information of the vehicle;

The coil switching control system is configured to control the transmitting coil according to the wheel position information The state of the corresponding transmit coil in the group;

The power cabinet is configured to supply electric energy according to a state of a corresponding transmitting coil in the transmitting coil group, and charge the vehicle;

The AC side meter is configured to calculate an AC side power generated by the vehicle through each wireless charging area, and pass the AC side power generated by each of the wireless charging areas to the ground control and remote transmission module. Sent to the charging management cloud platform;

The charging management cloud platform is configured to obtain a total amount of the AC side power according to the AC side power generated by each of the wireless charging areas, and send the AC side total power to the non-stop electronic toll collection system ETC.

With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, wherein the location information of the wheel includes location information of the front wheel and location information between the front wheel and the rear wheel The coil switching control system is further configured to control, according to the position information of the front wheel and the position information that the vehicle has traveled, the corresponding transmitting coil to be in a closed state, and according to the front wheel and the rear The position information between the wheels controls the corresponding transmitting coil to be in an operating state.

With reference to the first possible implementation manner of the first aspect, the embodiment of the present invention provides the second possible implementation manner of the first aspect, wherein the transmitting coil group includes multiple transmitting coils, and the coil switching control system And for causing a plurality of the transmitting coils to be in the operating state in a case where the vehicle passes through each of the wireless charging areas.

With reference to the second possible implementation manner of the first aspect, the embodiment of the present invention provides a third possible implementation manner of the first aspect, the transmitting coil group includes twelve transmitting coils, and the coil switching control system, Also for use in the case where the vehicle passes each of the wireless charging areas, causing four of the transmitting coils to be in the operational state, wherein the power of each of the transmitting coils is 30 KW.

With reference to the first aspect, the embodiment of the present invention provides a fourth possible implementation manner of the first aspect, wherein the electric energy metering system further comprises a DC side meter;

The DC-side meter is connected to an output end of the vehicle-side wireless charging system of the vehicle, and is configured to acquire a DC power output by the vehicle-side wireless charging system, and send the DC power through an in-vehicle communication control unit. Give the charging management cloud platform.

In conjunction with the fourth possible implementation of the first aspect, the embodiment of the present invention provides the first aspect The fifth possible implementation manner, wherein the charging management cloud platform is further configured to calculate charging efficiency according to the total power of the AC side and the DC power.

With reference to the first aspect, the embodiment of the present invention provides a sixth possible implementation manner of the first aspect, wherein the ETC is configured to perform fee settlement according to the total power of the AC side.

In a second aspect, an embodiment of the present invention further provides a charging system for a vehicle, comprising the dynamic inductive wireless charging system for a vehicle as described above, further comprising a vehicle-side wireless charging system, wherein the vehicle-mounted wireless charging system is disposed in the On the vehicle.

With reference to the second aspect, the embodiment of the present invention provides a first possible implementation manner of the second aspect, wherein the vehicle-mounted wireless charging system includes an on-board control and remote transmission module, a vehicle battery, a pickup coil, an impedance matching circuit, Synchronous rectification unit and DC-DC DC/DC converter.

With reference to the first possible implementation manner of the second aspect, the embodiment of the present invention provides the second possible implementation manner of the second aspect, wherein the DC side meter and the DC/DC converter in the electric energy metering system The outputs are connected.

In conjunction with the first possible implementation of the second aspect, the embodiment of the present invention provides a third possible implementation manner of the second aspect, wherein the number of the picking coils is multiple.

In conjunction with the third possible implementation of the second aspect, the embodiment of the present invention provides a fourth possible implementation manner of the second aspect, wherein the number of the picking coils is 1-3.

Embodiments of the present invention provide a dynamic inductive wireless charging system for a vehicle and a charging system of the vehicle, a plurality of wireless charging transmitting units, a plurality of electric energy metering systems, a plurality of ground control and remote transmission modules, and a charging management cloud platform, wherein The wireless charging transmitting unit comprises a coil switching control cabinet, a power cabinet, a position sensor and a transmitting coil group, the coil switching control cabinet comprises a coil switching control system, the electric energy metering system comprises an AC side meter, and the position sensor is used for detecting the wheel position information of the vehicle; The coil switching control system is configured to control the state of the corresponding transmitting coil in the transmitting coil group according to the wheel position information; the power cabinet is configured to supply electric energy according to the state of the corresponding transmitting coil in the transmitting coil group, and charge the vehicle; the AC side meter is used for Calculating the AC side power generated by the vehicle through each wireless charging area, and transmitting the AC side power generated by each wireless charging area to the charging management cloud platform through the ground control and remote transmission module; the charging management cloud platform is used according to each AC side power generated by the wireless charging area AC side to the total power, total power and the AC side to a non-stop electronic toll collection system, the ETC, to avoid waiting vehicle during charging problem, but need not mounted in-vehicle battery, The battery life can be achieved, thereby reducing the weight of the vehicle and avoiding secondary pollution caused by battery recycling.

Other features and advantages of the invention will be set forth in the description which follows, and The objectives and other advantages of the invention are realized and attained by the invention particularly pointed in

The above described objects, features and advantages of the present invention will become more apparent from the aspects of the appended claims.

DRAWINGS

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the specific embodiments or the description of the prior art will be briefly described below, and obviously, the attached in the following description The drawings are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

1 is a schematic diagram of a dynamic induction wireless charging system for a vehicle according to Embodiment 1 of the present invention;

2 is a schematic diagram of a wireless charging transmitting unit according to Embodiment 1 of the present invention;

3 is a schematic diagram showing the working principle of a dynamic induction wireless charging system for a vehicle according to Embodiment 1 of the present invention;

4 is a second schematic diagram of a wireless charging and transmitting unit according to Embodiment 1 of the present invention;

FIG. 5 is a schematic structural diagram of a vehicle-side wireless charging system according to Embodiment 2 of the present invention; FIG.

FIG. 6 is a schematic diagram of an application of a charging management cloud platform according to Embodiment 3 of the present invention.

icon:

10-wireless charging transmitter unit; 20-electric energy metering system; 30-ground control and remote transmission module; 40-transmitting coil group; 50-charging management cloud platform; 60-vehicle wireless charging system; 12-position sensor; Coil switching control cabinet; 14-high frequency inverter power cabinet; 15-DC power cabinet.

detailed description

The embodiments of the present invention will be clearly and completely described in detail with reference to the accompanying drawings. An embodiment. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts are The scope of protection of the present invention.

In order to facilitate the understanding of the embodiments, the embodiments of the present invention are described in detail below.

Embodiment 1:

FIG. 1 is a schematic diagram of a dynamic induction wireless charging system for a vehicle according to Embodiment 1 of the present invention.

Referring to Figure 1, the system includes a plurality of wireless charging transmitting units 10, a plurality of energy metering systems 20, a plurality of ground control and remote modules 30 and a charge management cloud platform 50, and a vehicle identification system and monitoring system.

Referring to FIG. 2, the wireless charging transmitting unit 10 includes a coil switching control cabinet 13, a power cabinet, a position sensor 12, and a transmitting coil group 40. The power cabinet includes four high frequency inverter power cabinets 14 and one DC power cabinet 15. Wherein, the transmitting coil set 40 includes 12 transmitting coils, each transmitting coil is configured with a corresponding position sensor 12;

The coil switching control cabinet 13 includes a coil switching control system, and the electric energy metering system 20 includes an AC side meter;

a position sensor 12, configured to detect wheel position information of the vehicle;

Here, the position sensor 12 detects wheel position information of the vehicle, and the wheel position information is position information of the front wheel travel of the vehicle.

a coil switching control system, configured to control a state of a corresponding one of the transmitting coil groups 40 according to the wheel position information;

a power cabinet for supplying electrical energy according to a state of a corresponding transmitting coil in the transmitting coil group 40 and charging the vehicle;

The AC side meter is configured to calculate an AC side power generated by the vehicle through each wireless charging area, and send the AC side power generated by each of the wireless charging areas to the ground control and remote transmission module 30. Giving the charging management cloud platform 50;

Here, the electric energy metering system 20 comprises an AC side meter and a DC side meter, the AC side metering adopts an ACDC input end, and the three-phase multi-function electric energy meter specified by the State Grid is used, and is read by the ground control and remote transmission module 30. Take the AC side power and upload it to the charging management cloud platform 50; the DC side metering vehicle equipment adopts the DCDC converter output terminal, and adopts the DC power meter specified by the State Grid, and reads the DC power meter through the vehicle communication control unit to upload to the charging management. Cloud platform 50.

The charging management cloud platform 50 is configured to obtain the total amount of the AC side according to the AC side power generated by each wireless charging area, and send the total amount of the AC side to the ETC (Electronic Toll Collection).

Here, the ETC automatically settles when the vehicle exits the wireless charging area exit. ETC is used for fee settlement based on the total amount of power on the AC side.

The charging management cloud platform 50 can also collect identity information of the vehicle, wherein the identity information can be license plate information.

Further, the position information of the wheel includes position information of the front wheel and position information between the front wheel and the rear wheel, and the coil switching control system is further configured to control according to the position information of the front wheel and the position information that the vehicle has traveled. The corresponding transmitting coil is in a closed state, and the corresponding transmitting coil is controlled to be in an operating state according to position information between the front wheel and the rear wheel.

Specifically, the coil switching control system controls the operation of the transmitting coil according to the wheel position information, and the transmitting coil that controls the traveling position of the front wheel of the vehicle and the transmitting coil that has been driven are in a closed state, and controls the position corresponding between the front wheel and the rear wheel of the vehicle. The transmitting coils are in working condition. During the maintenance of the vehicle, the ground has four transmitting coils in operation at the same time. Among them, each transmitting coil has a power of 30 KW and a transmitting power of 120 KW.

In FIG. 2, the transmitting coil group 40 includes 12 transmitting coils, and one coil switching control cabinet 13 controls switching of 12 transmitting coils. The order of arrangement of the 12 transmitting coils (ie, the order in which the vehicle advances) is: 1-1. 2-1, 3-1, 4-1, 1-2, 2-2, 3-2, 4-2, 1-3, 2-3, 3-3, 4-3, when the wheel is at 1-2 When the coil position is transmitted, the transmitting coils of 1-1, 2-1, 3-1, and 4-1 are in an operating state;

When the wheel is driven by the 1-2 transmitting coil to the 2-2 transmitting coil position, the coil switching control cabinet 13 controls the 1-1 transmitting coil to be turned off, and the 1-2 transmitting coil enters the working state, at this time 2-1, 3-1 , 4-1, 1-2, 4 transmitting coils are all working states;

When the wheel is driven by the 2-2 transmitting coil to the 3-2 transmitting coil position, the coil switching control cabinet 13 controls 2-1 the transmitting coil to be turned off, and the 2-2 transmitting coil enters the working state, at this time 3-1, 4-1 , 1-2, 2-2, 4 transmitting coils are working, and so on.

Further, the transmitting coil set 40 includes a plurality of transmitting coils, and the coil switching control system is further configured to cause the plurality of transmitting coils to be in an operating state in the case where the vehicle passes through each of the wireless charging areas.

Referring to FIG. 3, the transmitting coil group 40 includes 12 transmitting coils, and the coil switching control system is in the vehicle. With each wireless charging zone, the four transmitting coils are in operation, with each transmitting coil having a power of 30 kW.

Specifically, referring to FIG. 4, which is shown in FIG. 4(a) and FIG. 4(b), FIG. 4(a) is a plan view, and FIG. 4(b) is a cross-sectional view. When the wireless charging and firing unit 10 is mounted, the transmitting coil is externally. The layer is provided with a layer of polymer material, and an electromagnetic shielding layer is disposed at a distance below and on both sides of the layer of polymer material, and the electromagnetic shielding layer may be a ferrite material.

Further, the energy metering system 20 further includes a DC side meter;

The DC side meter is connected to the output end of the vehicle-side wireless charging system 60 of the vehicle, and is configured to acquire the DC power output by the vehicle-side wireless charging system 60, and send the DC power to the charging management cloud platform 50 through the vehicle communication control unit. .

Further, the charging management cloud platform 50 is further configured to calculate charging efficiency according to the total power and DC power of the AC side.

Embodiment 2:

FIG. 5 is a schematic structural diagram of a vehicle-side wireless charging system according to Embodiment 2 of the present invention.

Referring to FIG. 5, the charging system of the vehicle includes the mobile wireless charging system of the vehicle as described above, and further includes a vehicle-side wireless charging system 60 on which the vehicle-side wireless charging system 60 is disposed.

The vehicle-side wireless charging system 60 includes an on-board control and remote transmission module, a vehicle battery, a pickup coil, an impedance matching circuit, a synchronous rectification unit, and a DC-DC DC/DC converter. A DC side meter is coupled to the output of the DC/DC converter.

The number of picking coils may be plural, specifically 1 to 3, and the power of each picking coil is 40 KW, and the number of picking coils may be configured according to different receiving powers, and one or two may be selected.

Embodiment 3:

Referring to FIG. 6, the charging management cloud platform 50 obtains the total amount of the AC side based on the AC side power generated by each wireless charging area, and transmits the total amount of the AC side to the ETC, and the ETC automatically settles when the vehicle exits the wireless charging area exit. ETC is used for fee settlement based on the total amount of power on the AC side.

The charging management cloud platform 50 enables convenient payment settlement, real-time charging services, charging energy efficiency management, data-based diagnostics and maintenance, data-based analysis and planning, fleet energy efficiency management, Charge guidance and travel planning.

The computer program product provided by the embodiment of the present invention includes a computer readable storage medium storing the program code, and the program code includes instructions for executing the method described in the foregoing method embodiment. For the specific implementation, refer to the method embodiment. , will not repeat them here.

A person skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the system and the device described above can refer to the corresponding process in the foregoing method embodiments, and details are not described herein again.

In addition, in the description of the embodiments of the present invention, the terms "installation", "connected", and "connected" are to be understood broadly, and may be a fixed connection or a detachable connection, unless otherwise explicitly defined and defined. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

The functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The orientation or positional relationship of the indications is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplified description, rather than indicating or implying that the device or component referred to has a specific orientation, in a specific orientation. The construction and operation are therefore not to be construed as limiting the invention.

Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that the above embodiments are only specific embodiments of the present invention, and are used for The technical solutions of the present invention are not limited thereto, and the scope of the present invention is not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any Those skilled in the art can still modify or modify the technical solutions described in the foregoing embodiments within the scope of the technical scope of the present invention, or equivalently replace some of the technical features; and these modifications, changes or replacements The spirit and scope of the technical solutions of the embodiments of the present invention are not to be construed as being included in the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Claims

A dynamic inductive wireless charging system for a vehicle, comprising: a plurality of wireless charging transmitting units, a plurality of electric energy metering systems, a plurality of ground control and remote transmission modules, and a charging management cloud platform, wherein the wireless The charging transmitting unit comprises a coil switching control cabinet, a power cabinet, a position sensor and a transmitting coil group, the coil switching control cabinet comprises a coil switching control system, and the electric energy metering system comprises an AC side meter;

The position sensor is configured to detect wheel position information of the vehicle;

The coil switching control system is configured to control a state of a corresponding transmitting coil in the transmitting coil group according to the wheel position information;

The power cabinet is configured to supply electric energy according to a state of a corresponding transmitting coil in the transmitting coil group, and charge the vehicle;

The AC side meter is configured to calculate an AC side power generated by the vehicle through each wireless charging area, and pass the AC side power generated by each of the wireless charging areas to the ground control and remote transmission module. Sent to the charging management cloud platform;

The charging management cloud platform is configured to obtain a total amount of the AC side power according to the AC side power generated by each of the wireless charging areas, and send the AC side total power to the non-stop electronic toll collection system ETC.
A dynamic induction wireless charging system for a vehicle according to claim 1, wherein the position information of the wheel includes position information of the front wheel and position information between the front wheel and the rear wheel, the coil The switching control system is further configured to control the corresponding transmitting coil to be in a closed state according to the position information of the front wheel and the position information that the vehicle has traveled, and according to the between the front wheel and the rear wheel The corresponding transmitting coil of the position information control is in an operating state.
A dynamic inductive wireless charging system for a vehicle according to claim 2, wherein said transmitting coil group includes a plurality of transmitting coils, said coil switching control system is further configured to pass each of said vehicles In the case of the wireless charging area, a plurality of the transmitting coils are placed in the operating state.
A dynamic inductive wireless charging system for a vehicle according to claim 3, wherein said transmitting coil group includes twelve transmitting coils, said coil switching control system is further configured to pass each of said vehicles In the case of the wireless charging area, four of the transmitting coils are placed The operating state, wherein the power of each of the transmitting coils is 30 KW.
A dynamic inductive wireless charging system for a vehicle according to claim 1, wherein said electric energy metering system further comprises a DC side meter;

The DC-side meter is connected to an output end of the vehicle-side wireless charging system of the vehicle, and is configured to acquire a DC power output by the vehicle-side wireless charging system, and send the DC power through an in-vehicle communication control unit. Give the charging management cloud platform.
The dynamic inductive wireless charging system for a vehicle according to claim 5, wherein the charging management cloud platform is further configured to calculate charging efficiency according to the total amount of power on the AC side and the DC power.
The dynamic inductive wireless charging system for a vehicle according to claim 1, wherein the ETC is configured to perform fee settlement according to the total amount of power on the AC side.
A charging system for a vehicle, comprising the dynamic inductive wireless charging system for a vehicle according to any one of claims 1 to 7, further comprising a vehicle-mounted wireless charging system, the vehicle-mounted wireless charging system Set on the vehicle.
The charging system for a vehicle according to claim 8, wherein the vehicle-mounted wireless charging system comprises an onboard control and remote transmission module, a vehicle battery, a pickup coil, an impedance matching circuit, a synchronous rectification unit, and a DC-DC DC/ DC converter.
A charging system for a vehicle according to claim 9, wherein a DC side meter in the energy metering system is coupled to an output of said DC/DC converter.
A charging system for a vehicle according to claim 9, wherein the number of the pickup coils is plural.
The charging system for a vehicle according to claim 11, wherein the number of the pickup coils is 1-3.