CN111516516A - Wireless charging and discharging method and system for electric automobile - Google Patents
Wireless charging and discharging method and system for electric automobile Download PDFInfo
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- CN111516516A CN111516516A CN202010318845.0A CN202010318845A CN111516516A CN 111516516 A CN111516516 A CN 111516516A CN 202010318845 A CN202010318845 A CN 202010318845A CN 111516516 A CN111516516 A CN 111516516A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
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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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
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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
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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
- Y02T90/16—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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of electric automobile charging, in particular to a wireless charging and discharging method and a wireless charging and discharging system for an electric automobile, wherein the method comprises the following steps: a wireless charging and discharging module is arranged under the well cover, and a vehicle-mounted charging and discharging module is arranged in the electric vehicle; the wireless charging and discharging module is connected with a power grid; when the electric automobile travels to the well lid: the wireless charging and discharging module generates at least one charging and discharging scheme according to the electric quantity information and the attribute information of the electric automobile and sends the scheme to the vehicle-mounted charging and discharging module; the vehicle-mounted charging and discharging module takes the charging and discharging scheme selected from the charging and discharging schemes as a willingness scheme and returns to the wireless charging and discharging module; the wireless charging and discharging module is used for charging or discharging the vehicle-mounted charging and discharging module according to the will scheme. The invention can effectively solve the problem of charging the electric automobile, is beneficial to reasonably allocating the power resources of the power grid, saves the cost and can also save the construction space of the charging facility.
Description
Technical Field
The invention relates to the technical field of electric automobile charging, in particular to a wireless charging and discharging method and system for an electric automobile.
Background
With the shortage of energy and the aggravation of environmental pollution in modern society, electric vehicles have been widely paid attention to as new energy vehicles once they are launched. An electric vehicle is a vehicle powered by a vehicle-mounted power supply. However, an important factor limiting the electric vehicle to further expand the application scenarios is that the driving range is short due to the limitation of the battery capacity. Simultaneously with the popularization of intelligent cities and the popularization of industrial modernization processes, the advantages of wide distribution, low cost and good existing foundation of the infrastructure are emphasized, and the well lid is emphasized as a common infrastructure.
Based on the above needs and pain points, there are also related solutions: increase the device such as electric pile and charging base station of dynamics construction. The method has a certain effect in a super-huge city as a traditional popularization mode, but does not sink further to infrastructure distributed in the city, so that the further popularization of the electric automobile is limited. Moreover, the cost of devices such as a charging pile and a charging base station is relatively high during construction, and extra space needs to be occupied, so that the popularization process is easily influenced by the cost and the space.
Disclosure of Invention
The wireless charging and discharging method and system for the electric automobile can effectively solve the charging problem of the electric automobile, are beneficial to reasonably allocating the power resources of a power grid, save the cost and save the construction space of charging facilities.
On one hand, the wireless charging and discharging method for the electric automobile comprises the following steps:
a wireless charging and discharging module is arranged under the well cover, and a vehicle-mounted charging and discharging module is arranged in the electric vehicle; the wireless charging and discharging module is connected with a power grid;
when the electric automobile travels to the well lid:
the wireless charging and discharging module generates at least one charging and discharging scheme according to the electric quantity information and the attribute information of the electric automobile and sends the scheme to the vehicle-mounted charging and discharging module;
the vehicle-mounted charging and discharging module takes the charging and discharging scheme selected from the charging and discharging schemes as a willingness scheme and returns to the wireless charging and discharging module;
the wireless charging and discharging module is used for charging or discharging the vehicle-mounted charging and discharging module according to the will scheme.
Further, the wireless charging and discharging module generates at least one charging and discharging scheme according to the electric quantity information and the attribute information of the vehicle-mounted charging and discharging module, and sends the charging and discharging scheme to the vehicle-mounted charging and discharging module, and the wireless charging and discharging module also comprises the following steps:
the wireless charging and discharging module acquires electric quantity information and attribute information of the electric automobile.
Furthermore, the wireless charging and discharging module comprises: the embedded controller, the wireless communication module and the first charging and discharging device are embedded;
be provided with in the electric automobile: the information storage device and the second charging and discharging device;
wireless charge-discharge module acquires electric quantity information and attribute information of electric automobile, specifically includes:
the embedded controller acquires the electric quantity information and the attribute information stored in the information storage device through the wireless communication module;
the electric quantity information represents the current residual electric quantity of the electric automobile; the attribute information indicates the electric vehicle model.
Still further, the charge-discharge scheme includes: a charging scheme or a discharging scheme;
the charging scheme represents the current chargeable electric quantity and the corresponding required cost of the electric automobile;
the discharging scheme represents the current dischargeable electric quantity and the corresponding obtained cost of the electric automobile.
Still further, wireless charge-discharge module generates at least one charge-discharge scheme according to electric quantity information and attribute information of electric automobile, specifically includes:
the embedded controller combines the attribute information of the electric automobile:
when the current remaining electric quantity of the electric automobile is judged to be less than or equal to a preset charging threshold value, calculating to obtain at least one corresponding charging scheme;
when the current residual electric quantity of the electric automobile is judged to be larger than or equal to a preset discharging threshold value, calculating to obtain at least one corresponding discharging scheme;
and when the current residual electric quantity of the electric automobile is judged to be larger than a preset charging threshold value and smaller than a preset discharging threshold value, at least one corresponding charging scheme and at least one corresponding discharging scheme are obtained through calculation.
Still further, the vehicle-mounted charge-discharge module takes the charge-discharge scheme selected from the charge-discharge schemes as an intention scheme and returns the charge-discharge scheme to the wireless charge-discharge module, and the method specifically includes the following steps:
the information storage device receives each charge and discharge scheme sent by the embedded controller through the wireless communication module;
the information storage device takes the selected charge-discharge scheme in the charge-discharge schemes as a will scheme;
the information storage device returns the willingness scheme to the embedded controller through the wireless communication module.
In the above technical solution, the wireless charging and discharging module performs charging or discharging on the vehicle-mounted charging and discharging module according to a will scheme, and specifically includes:
the embedded controller controls the first charging and discharging device and the second charging and discharging device to generate electromagnetic induction;
the embedded controller enables the first charge-discharge device to provide the current chargeable electric quantity of the electric automobile for the second charge-discharge device according to a will scheme;
or the first charge-discharge device acquires the current dischargeable electric quantity of the electric automobile from the second charge-discharge device;
the embedded controller sends the corresponding required cost or the obtained cost to the information storage device through the wireless communication module.
In another aspect, the present invention provides a wireless charging/discharging system for an electric vehicle, including: the wireless charging and discharging module and the vehicle-mounted charging and discharging module; the wireless charging and discharging module is connected with a power grid;
the wireless charging and discharging module is arranged below the well lid; the vehicle-mounted charging and discharging module is arranged in the electric automobile;
when the electric automobile travels to the well lid:
the wireless charging and discharging module is used for generating at least one charging and discharging scheme according to the electric quantity information and the attribute information of the electric automobile and sending the scheme to the vehicle-mounted charging and discharging module;
the vehicle-mounted charging and discharging module is used for returning a charging and discharging scheme selected from the charging and discharging schemes to the wireless charging and discharging module as a will scheme;
the wireless charging and discharging module is also used for charging or discharging the vehicle-mounted charging and discharging module according to a will scheme.
Further, wireless charge and discharge module includes: the embedded controller, the wireless communication module and the first charging and discharging device are embedded;
be provided with in the electric automobile: the information storage device and the second charging and discharging device;
the embedded controller is respectively connected with the wireless communication module and the first charging and discharging device;
the wireless communication module is wirelessly connected with the information storage device;
the first charging and discharging device is wirelessly connected with the second charging and discharging device;
the first charging and discharging device is connected to a power grid.
Furthermore, the information storage device is connected with a display screen of the electric automobile;
the information storage device can display each charging and discharging scheme.
In the invention, the wireless charging and discharging module is arranged below the well lid. The well lid is common facility among the city construction, sets up wireless charge-discharge module below it, can sparingly charge the shared space of setting up greatly. The wireless charging and discharging module can charge or discharge the electric automobile, charge the electric automobile which is short of power and discharge the automobile with abundant electric quantity; therefore, power resources can be reasonably allocated, the overlarge peak-to-valley difference is avoided, energy loss can be effectively reduced, and cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a system configuration according to an embodiment of the present invention;
fig. 3 is a schematic position diagram of an electric vehicle during charging and discharging in the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the wireless charging and discharging method for an electric vehicle according to the present embodiment includes:
101. a wireless charging and discharging module is arranged under the well cover, and a vehicle-mounted charging and discharging module is arranged in the electric vehicle; the wireless charging and discharging module is connected with a power grid;
when the electric automobile travels to the well lid:
102. the wireless charging and discharging module generates at least one charging and discharging scheme according to the electric quantity information and the attribute information of the electric automobile and sends the scheme to the vehicle-mounted charging and discharging module;
103. the vehicle-mounted charging and discharging module takes the charging and discharging scheme selected from the charging and discharging schemes as a willingness scheme and returns to the wireless charging and discharging module;
and 104, the wireless charging and discharging module performs charging or discharging on the vehicle-mounted charging and discharging module according to the will scheme.
The method further comprises the following steps:
105. the wireless charging and discharging module acquires electric quantity information and attribute information of the electric automobile.
As shown in fig. 2 and 3, the wireless charging and discharging system for an electric vehicle provided in this embodiment includes: the wireless charging and discharging module and the vehicle-mounted charging and discharging module; the wireless charging and discharging module is connected with a power grid;
the wireless charging and discharging module is arranged below the well lid; the vehicle-mounted charging and discharging module is arranged in the electric automobile;
when the electric automobile travels to the well lid:
the wireless charging and discharging module is used for generating at least one charging and discharging scheme according to the electric quantity information and the attribute information of the electric automobile and sending the scheme to the vehicle-mounted charging and discharging module;
the vehicle-mounted charging and discharging module is used for returning a charging and discharging scheme selected from the charging and discharging schemes to the wireless charging and discharging module as a will scheme;
the wireless charging and discharging module is also used for charging or discharging the vehicle-mounted charging and discharging module according to a will scheme.
As shown in fig. 2, the wireless charging/discharging module includes: the embedded controller comprises an embedded controller 1, a wireless communication module 2 and a first charging and discharging device 3;
be provided with in the electric automobile: an information storage device 4 and a second charge/discharge device 5;
the embedded controller 1 is respectively connected with the wireless communication module 2 and the first charging and discharging device 3;
the wireless communication module 2 is wirelessly connected with the information storage device 4;
the first charging and discharging device 3 is wirelessly connected with the second charging and discharging device 5;
the first charging and discharging device 3 is connected to a power grid.
In the present invention, the first charging and discharging device 3 is connected to the power grid, and may be used for obtaining and storing electric energy from the power grid, or obtaining and storing electric energy from the second charging and discharging device 5 of the electric vehicle. The second charging and discharging device 5 may be connected to a battery of the electric vehicle, or may be used as a battery to directly supply power to the electric vehicle.
When the electric automobile needs to be charged, the first charging and discharging device 3 transmits the stored electric energy to the second charging and discharging device 5 in an electromagnetic induction mode; when the electric automobile needs to discharge, the second charging and discharging device 5 transmits the stored electric energy to the first charging and discharging device 3 in an electromagnetic induction mode.
As shown in fig. 3, when the electric vehicle a travels to the manhole cover a, the connection is established according to the requirement of the vehicle owner. Here the owner's requirements include: the wireless charging module is used for charging the electric vehicle, discharging the electric vehicle or simply watching each charging and discharging scheme provided by the wireless charging module.
After wireless charging module in electric automobile A and well lid a provides to establish connection:
step 1, an embedded controller 1 acquires electric quantity information and attribute information stored in an information storage device 4 through a wireless communication module 2;
the electric quantity information represents the current residual electric quantity of the electric automobile;
the attribute information indicates the electric vehicle model.
Step 2, combining the attribute information of the electric automobile A by the embedded controller 1:
when the current residual quantity of the electric vehicle A is judged to be less than or equal to a preset charging threshold value, at least one corresponding charging scheme is obtained through calculation;
when the current residual electric quantity of the electric automobile A is judged to be larger than or equal to a preset discharge threshold value, at least one corresponding discharge scheme is obtained through calculation;
and when the current residual quantity of the electric automobile A is judged to be larger than the preset charging threshold value and smaller than the preset discharging threshold value, at least one corresponding charging scheme and at least one corresponding discharging scheme are obtained through calculation.
Assuming that the preset charging threshold is 30% of the full electric quantity of the electric vehicle A, and the preset discharging threshold is 80% of the full electric quantity of the electric vehicle A;
when the current remaining capacity of the electric vehicle a is 10% of the full capacity, the embedded controller 1 gives a charging scheme as follows;
charging scheme 1: charging the electric automobile A to 30% of full charge, and paying x1 yuan;
charging scheme 2: charging the electric automobile A to 50% of full charge, and paying x2 yuan;
charging scheme 3: the electric vehicle a was charged to 70% of full charge, paying x3 yuan.
When the current residual capacity of the electric automobile A is 90% of the full capacity, the embedded controller 1 gives a charging scheme as follows;
charging scheme 1: discharging the electric automobile A to 70% of full charge to obtain y1 yuan;
charging scheme 2: discharging the electric automobile A to 50% of full charge to obtain y2 yuan;
charging scheme 3: the electric vehicle a was discharged to 30% of full charge, obtaining y3 yuan.
When the current remaining capacity of the electric vehicle a is 50% of the full capacity, the embedded controller 1 gives a charging scheme as follows;
charging scheme 1: charging the electric automobile A to 70% of full charge, and paying z1 yuan;
charging scheme 2: the electric vehicle a was discharged to 30% of full charge, and z2 yuan was obtained.
Of course, the above-described schemes are merely used as examples, and in actual practice, other expressions exist for each scheme. Each charge and discharge scheme is established by the embedded controller 1 according to information such as the model of the electric vehicle a. After each charge and discharge scheme is formulated, the embedded controller 1 can also calculate the kilometer number corresponding to the remaining electric quantity after each charge and discharge scheme is executed, so that a vehicle owner can select the remaining electric quantity.
Step 3, the embedded controller 1 sends each charging and discharging scheme to the information storage device 4 through the wireless communication module 2;
the information storage device 4 is connected with the display screen of the electric automobile and displays each charging and discharging scheme.
Step 4, after the vehicle owner selects the willingness scheme from the charging and discharging schemes, the information storage device 4 returns the willingness scheme to the embedded controller 1 through the wireless communication module 2;
step 5, the embedded controller 1 controls the first charging and discharging device 3 and the second charging and discharging device 5 to establish electromagnetic induction connection;
step 6, the embedded controller 1 enables the first charging and discharging device 3 to provide the current chargeable electric quantity of the electric automobile for the second charging and discharging device 5 according to the will scheme;
or, the first charge-discharge device 3 obtains the current dischargeable electric quantity of the electric vehicle from the second charge-discharge device 5;
the embedded controller 1 transmits the corresponding required fee or the obtained fee to the information storage device 4 through the wireless communication module 2.
Suppose that, when the current remaining capacity of the electric vehicle a is 50% of the full capacity, the embedded controller 1 gives the following charging scheme; the corresponding willingness scheme is as follows: charging scheme 1: the electric automobile A is charged to 70% of full charge, and z1 yuan is paid.
At this time, the embedded controller 1 controls the first charge-discharge device 3 to charge the second charge-discharge device 5 until the remaining power of the electric vehicle a is 70% of the full power.
And 7, the embedded controller 1 is matched with the information storage device 4, so that the cost required to be paid by the electric automobile A is deducted.
There are a number of ways to pay and collect the fees. In this embodiment, the information storage device 4 is connected to the financial module of the electric vehicle a, and after the charging scheme is completed, the embedded controller 1 sends the payment information corresponding to the amount z1 yuan to be paid to the information storage device 4; the information storage device 4 forwards the payment information to the financial module, which automatically deducts z1 dollars.
In other embodiments, the cooperation of the information storage device 4 and the embedded controller 1 can also be accounted for. After the execution of each will plan is finished, the embedded controller 1 sends each payment information and the obtained information (information corresponding to the amount of the discharge acquired) to the information storage device 4. The information storage device 4 is only responsible for recording, and when the preset time is up, the final amount information is obtained by carrying out unified settlement and is sent to the financial module of the electric vehicle A for deduction or obtaining.
In conclusion, the beneficial effects of the embodiment are as follows:
1. safe, efficient and intelligent operation; compared with other solutions, the operation is metal-free operation and high-voltage operation, the power supply can be automatically cut off and an alarm can be given out when abnormality occurs, and the operation is safe. The charging device is free from getting off the vehicle and hands, unattended and simple and convenient to operate. Authentication, charging and discharging, monitoring and expense settlement are integrated, and the intelligent degree is higher.
2. Clipping peaks and filling valleys, and reasonably blending; the electric quantity of the electric automobile is reserved and the power resources of the power grid are reasonably allocated. The electric quantity supplement to the electric automobile can be met, and energy transfer is carried out through electromagnetic induction and a power grid. And the power resources are reasonably allocated, the overlarge peak-valley difference is avoided, the energy loss can be effectively reduced, and the cost is reduced.
3. The cost is low, and the application range is wide; the cost of the wireless charging device is low, the ground effective space is not occupied, and the cost is saved. The popularization is easy, and the application of the electric automobile is effectively promoted. The weather environment such as wind, snow, dust, humidity and the like is not feared, and the environmental adaptability is good.
It should be understood that the specific order or hierarchy of steps in the processes disclosed is an example of exemplary approaches. Based upon design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not intended to be limited to the specific order or hierarchy presented.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. To those skilled in the art; various modifications to these embodiments will be readily apparent, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A wireless charging and discharging method for an electric automobile is characterized by comprising the following steps:
a wireless charging and discharging module is arranged under the well cover, and a vehicle-mounted charging and discharging module is arranged in the electric vehicle; the wireless charging and discharging module is connected with a power grid;
when the electric automobile travels to the well lid:
the wireless charging and discharging module generates at least one charging and discharging scheme according to the electric quantity information and the attribute information of the electric automobile and sends the scheme to the vehicle-mounted charging and discharging module;
the vehicle-mounted charging and discharging module takes the charging and discharging scheme selected from the charging and discharging schemes as a willingness scheme and returns to the wireless charging and discharging module;
the wireless charging and discharging module is used for charging or discharging the vehicle-mounted charging and discharging module according to the will scheme.
2. The wireless charging and discharging method for the electric vehicle according to claim 1, wherein the wireless charging and discharging module generates at least one charging and discharging scheme according to the electric quantity information and the attribute information of the vehicle-mounted charging and discharging module, and sends the at least one charging and discharging scheme to the vehicle-mounted charging and discharging module, and the method further comprises the following steps:
the wireless charging and discharging module acquires electric quantity information and attribute information of the electric automobile.
3. The wireless charging and discharging method for the electric automobile according to claim 2, wherein the wireless charging and discharging module comprises: the charging and discharging device comprises an embedded controller (1), a wireless communication module (2) and a first charging and discharging device (3);
be provided with in the electric automobile: an information storage device (4) and a second charge-discharge device (5);
wireless charge-discharge module acquires electric quantity information and attribute information of electric automobile, specifically includes:
the embedded controller (1) acquires the electric quantity information and the attribute information stored in the information storage device (4) through the wireless communication module (2);
the electric quantity information represents the current residual electric quantity of the electric automobile; the attribute information indicates the electric vehicle model.
4. The wireless charging and discharging method for the electric automobile according to claim 3, wherein the charging and discharging scheme comprises the following steps: a charging scheme or a discharging scheme;
the charging scheme represents the current chargeable electric quantity and the corresponding required cost of the electric automobile;
the discharging scheme represents the current dischargeable electric quantity and the corresponding obtained cost of the electric automobile.
5. The wireless charging and discharging method for the electric vehicle according to claim 4, wherein the wireless charging and discharging module generates at least one charging and discharging scheme according to the electric quantity information and the attribute information of the electric vehicle, and specifically comprises:
the embedded controller (1) combines the attribute information of the electric automobile:
when the current remaining electric quantity of the electric automobile is judged to be less than or equal to a preset charging threshold value, calculating to obtain at least one corresponding charging scheme;
when the current residual electric quantity of the electric automobile is judged to be larger than or equal to a preset discharging threshold value, calculating to obtain at least one corresponding discharging scheme;
and when the current residual electric quantity of the electric automobile is judged to be larger than a preset charging threshold value and smaller than a preset discharging threshold value, at least one corresponding charging scheme and at least one corresponding discharging scheme are obtained through calculation.
6. The wireless charging and discharging method for the electric vehicle according to claim 5, wherein the vehicle-mounted charging and discharging module returns a charging and discharging scheme selected from the charging and discharging schemes as a will scheme to the wireless charging and discharging module, and specifically comprises:
the information storage device (4) receives each charging and discharging scheme sent by the embedded controller (1) through the wireless communication module (2);
the information storage device (4) takes the selected charge and discharge scheme in the charge and discharge schemes as an intention scheme;
the information storage device (4) returns the willingness scheme to the embedded controller (1) through the wireless communication module (2).
7. The wireless charging and discharging method for the electric vehicle according to claim 6, wherein the wireless charging and discharging module performs charging or discharging on the vehicle-mounted charging and discharging module according to a will scheme, and specifically comprises:
the embedded controller (1) controls the first charging and discharging device (3) and the second charging and discharging device (5) to generate electromagnetic induction;
the embedded controller (1) enables the first charge-discharge device (3) to provide the current chargeable electric quantity of the electric automobile for the second charge-discharge device (5) according to a will scheme;
or the first charge-discharge device (3) acquires the current dischargeable electric quantity of the electric automobile from the second charge-discharge device (5);
the embedded controller (1) sends the corresponding required cost or the obtained cost to the information storage device (4) through the wireless communication module (2).
8. The utility model provides an electric automobile wireless charging and discharging system which characterized in that includes: the wireless charging and discharging module and the vehicle-mounted charging and discharging module; the wireless charging and discharging module is connected with a power grid;
the wireless charging and discharging module is arranged below the well lid; the vehicle-mounted charging and discharging module is arranged in the electric automobile;
when the electric automobile travels to the well lid:
the wireless charging and discharging module is used for generating at least one charging and discharging scheme according to the electric quantity information and the attribute information of the electric automobile and sending the scheme to the vehicle-mounted charging and discharging module;
the vehicle-mounted charging and discharging module is used for returning a charging and discharging scheme selected from the charging and discharging schemes to the wireless charging and discharging module as a will scheme;
the wireless charging and discharging module is also used for charging or discharging the vehicle-mounted charging and discharging module according to a will scheme.
9. The wireless charging and discharging system for the electric automobile according to claim 8, wherein the wireless charging and discharging module comprises: the charging and discharging device comprises an embedded controller (1), a wireless communication module (2) and a first charging and discharging device (3);
be provided with in the electric automobile: an information storage device (4) and a second charge-discharge device (5);
the embedded controller (1) is respectively connected with the wireless communication module (2) and the first charging and discharging device (3);
the wireless communication module (2) is wirelessly connected with the information storage device (4);
the first charging and discharging device (3) is wirelessly connected with the second charging and discharging device (5);
the first charging and discharging device (3) is connected to a power grid.
10. The wireless charging and discharging system for the electric automobile according to claim 8, wherein the information storage device (4) is connected with a display screen of the electric automobile;
the information storage device (4) can display each charge and discharge scheme.
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Application publication date: 20200811 |