CN113858968A - Energy distribution control method and system for extended range electric vehicle - Google Patents
Energy distribution control method and system for extended range electric vehicle Download PDFInfo
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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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2045—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for optimising the use of energy
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The invention relates to the technical field of automobiles, in particular to a control method and a system for energy distribution of an extended range type electric automobile, wherein the method comprises the following steps: acquiring an economic route requirement or a shortcut route requirement input by a user; when the economic route input by a user is acquired, acquiring an economic route according to an initial position, a destination, charging time and a charging place; when a user input shortcut route requirement is acquired, acquiring a shortcut route according to an initial position, a destination, and refueling position information or charging position information of a vehicle; the invention can select different routes with economical efficiency or timeliness according to the requirements of users; when the user selects the economic route requirement, a more economic route is provided for the customer; when the user selects the demand of the quick route, the user is reminded of when to charge, when to refuel or need not to refuel for the vehicle can reasonably plan the travel time, so that the user can arrive at the destination in the shortest time, and more convenient travel service is provided for the user.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a control method and a system for energy distribution of an extended range electric automobile.
Background
More and more enterprises concentrate research and development on new energy vehicles, and more people plan to buy new energy vehicles. Wherein a pure Electric Vehicle (EV) has temporary mileage anxiety, is very suitable for commuting, but has chicken ribs on a long way; hybrid Electric Vehicles (HEV) have no mileage anxiety, but have little energy savings; therefore, plug-in hybrid electric vehicles (PHEV and REEV) which can give consideration to both pure commuting and also solve mileage anxiety are pursued, and recently, the range-extended electric vehicle (REEV) has attracted much attention. The commute can pure electric go, and the long-distance can be with the engine electricity generation, and economic nature is better when using pure electric go, and the energy consumption is higher when using the engine generator, and economic nature is poor. Therefore, how to use the extended range electric vehicle more economically becomes the focus of each whole car factory.
Jilin university has recently disclosed a "increase form electric automobile energy management control method based on charge management", introduced and increased the form electric motor car and used pure electric as far as possible and travel, when the electric quantity is insufficient, remind the user to charge, use and increase the journey ware to generate electricity when can't charge, the engine maintains the best operating mode district, in order to save energy and reduce emission. However, in the prior art, charging cannot be performed in time when the vehicle needs charging, and only energy conservation and emission reduction can be achieved theoretically, and energy conservation and emission reduction cannot be achieved actually.
Based on the shortcomings of the prior art, there is an urgent need to develop a method and system for controlling energy distribution of an extended range electric vehicle to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a control method and a system for energy distribution of an extended range electric vehicle, and different routes with economy or timeliness can be selected according to the requirements of users; different strategies can be planned according to the economic route requirement and/or the shortcut route requirement selected by the user; when the user selects the economic route requirement, the battery SOC value and the charging pile information on the economic route can be acquired in real time, and a route convenient for charging can be reasonably planned according to the initial position, the destination, the battery SOC value and the charging pile information, so that a more economic route is provided for the user; when a user selects a shortcut route requirement, obtaining refueling position information or charging position information of a vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time allowed, charging pile information and gas station information; the distance of real-time supervision route the place ahead filling station and fill electric pile and distance and user state promptly, remind the user when to charge, when refuel or need not to refuel and charge for the vehicle can the rational planning travel time, makes the user can arrive the destination with the shortest time, also provides more convenient trip service for the user.
The invention discloses a control method for energy distribution of an extended range electric automobile, which comprises the following steps:
acquiring an economic route requirement or a shortcut route requirement input by a user;
when the economic route requirement input by a user is acquired, acquiring an initial position, a destination, a power price per degree and an oil price per liter, and judging whether the relation between the power price per degree and the oil price per liter meets a first preset condition or not; when a first preset condition is met, determining that the working mode is a pure electric mode, and acquiring a battery SOC value and charging pile information; determining charging time and a charging place according to the initial position, the destination, the battery SOC value and the charging pile information, and obtaining an economic route according to the initial position, the destination, the charging time and the charging place;
when the requirement that a user inputs a quick route is acquired, acquiring a first mileage value, a second mileage value, the longest driving time allowed and the information of a gas station; obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time allowed, the charging pile information and the gas station information, and obtaining a shortcut route according to the initial position, the destination, the refueling position information of the vehicle or the charging position information; the first mileage value is the total mileage in the pure electric mode, and the second mileage value is the total mileage which can be increased by the range extender in the range extending mode.
Further, the first preset condition is that the electricity price per degree is less than the product of the oil price per liter and the oil-electricity conversion rate;
the judging whether the relation between the electricity price per degree and the oil price per liter meets a first preset condition or not comprises the following steps:
when the electricity price per degree is smaller than the product of the oil price per liter and the oil-electricity conversion rate, judging that the relation between the electricity price per degree and the oil price per liter meets the first preset condition;
and when the electricity price per degree is not less than the product of the oil price per liter and the oil-electricity conversion rate, judging that the relation between the electricity price per degree and the oil price per liter does not meet the first preset condition.
Further, the relationship between the electricity price per degree and the oil price per liter does not satisfy the first preset condition, and then the method further comprises the following steps:
when the relation between the electricity price per degree and the oil price per liter does not meet a first preset condition, determining that the working mode is a range extending mode; the range extending mode is that the range extender generates electricity to drive the vehicle to run;
and controlling the vehicle to run in the range-extended mode.
Further, when the requirement that the user inputs the shortcut route is obtained, a first mileage value, a second mileage value, the longest driving time allowed and the information of a gas station are obtained; obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the maximum driving time allowed, the charging pile information and the gas station information comprises:
the refueling position information at least comprises a corresponding refueling station position when the vehicle needs to be refueled and the time of arriving at the refueling station; the charging position information at least comprises the geographic position of the corresponding available charging pile when the vehicle needs to be charged and the time of arriving at the charging pile;
obtaining estimated total mileage according to the initial position and the destination;
judging whether the estimated total mileage meets a second preset condition or not;
when the estimated total mileage meets the second preset condition, controlling the vehicle to run in a pure electric mode and/or a range extending mode, wherein the vehicle does not need to be charged and refueled;
when the estimated total mileage does not meet the second preset condition, selecting a pure electric mode first and then selecting a range extending mode; and obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time, the charging pile information and the gas station information.
Further, the second preset condition is that the estimated total mileage is not less than the sum of the first mileage value and the second mileage value;
the judging whether the estimated total mileage meets a second preset condition comprises the following steps:
when the estimated total mileage is not less than the sum of the first mileage value and the second mileage value, judging that the estimated total mileage meets the second preset condition;
and when the estimated total mileage is smaller than the sum of the first mileage value and the second mileage value, judging that the estimated total mileage does not satisfy the second preset condition.
Further, the charging position information also comprises charging pile information within the preset range;
the obtaining of the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the maximum driving time allowed, the charging pile information, and the gas station information includes:
acquiring the charging pile information within the preset range;
when the charging pile does not exist in the preset range, controlling the vehicle to continue running in a range extending mode;
when the charging pile exists in the preset range, acquiring speed information of the vehicle;
determining a travel time according to the speed information and a first mileage value;
judging the relationship between the running time and the maximum allowable running time;
when the running time is not less than the maximum allowable running time, determining a fifth mileage value according to the maximum allowable running time and the speed information; judging whether the fifth mileage value is within the preset range or not; when the fifth mileage value is within the preset range, acquiring charging position information corresponding to charging piles within the preset range, and controlling the vehicle to go to the charging piles within the preset range for charging;
and when the running time is less than the maximum allowable running time, controlling the vehicle to continue running in a range extending mode, and acquiring the gas station information in real time.
Further, after the determining whether the fifth mileage value is within the preset range, the method further includes:
and when the fifth mileage value is not within the preset range, controlling the vehicle to continue driving in a range extending mode, and acquiring the gas station information in real time.
Further, when the estimated total mileage meets the second preset condition, the vehicle is controlled to run in a pure electric mode and/or a range extending mode, and the vehicle does not need to be charged and refueled at the moment, wherein the step of controlling the vehicle to run in the pure electric mode and/or the range extending mode comprises the following steps:
when the estimated total mileage meets the second preset condition, judging whether the relation between the electricity price per degree and the oil price per liter meets a first preset condition; when the first preset condition is met, controlling the vehicle to run in a pure electric mode; comparing the estimated total mileage with the first mileage value; when the estimated total mileage is smaller than the first mileage value, controlling the vehicle to travel from the initial position to the destination in a pure electric mode; when the estimated total mileage is not less than the first mileage value, controlling the vehicle to run in a pure electric mode and then in a range extending mode;
when the relation between the electricity price per degree and the oil price per liter does not meet the first preset condition, controlling the vehicle to run in a range extending mode; comparing the estimated total mileage with the second mileage value; when the estimated total mileage is smaller than the second mileage value, controlling the vehicle to travel from an initial position to a destination in a range extending mode; and when the estimated total mileage is not less than the second mileage value, controlling the vehicle to run in a range extending mode and then in a pure electric mode.
Further, the economic route is a route planned according to the initial position and destination, the charging pile information and the number of the charging piles;
the method also comprises the following steps when the user input economic route demand is acquired:
obtaining at least one estimated economic route according to the initial position and the destination;
acquiring charging pile information on each estimated economic route; the charging pile information at least comprises the geographic position of the charging pile and the use condition of the charging pile;
determining an economic route according to the vehicle charging time, the charging place, the number of charging piles on each pre-estimated economic route and the charging pile information;
acquiring charging pile information on an economic route;
and displaying the geographic position of the unused charging pile according to the SOC value of the battery and the service condition of the charging pile.
The invention also protects a control system for energy distribution of the extended range electric vehicle, which is used for realizing the control method for energy distribution of the extended range electric vehicle, and the system comprises:
the acquisition module is used for acquiring an economic route requirement or a quick route requirement input by a user;
a route confirmation module for obtaining an economic route according to an initial position, the destination, the charging time, and the charging location; or obtaining a shortcut route according to an initial position, the destination, the refueling position information of the vehicle or the charging position information;
the processing module is used for acquiring an initial position, a destination, an electricity price per degree and an oil price per liter when the economic route requirement input by a user is acquired, and judging whether the relation between the electricity price per degree and the oil price per liter meets a first preset condition or not; when a first preset condition is met, determining that the working mode is a pure electric mode, and acquiring a battery SOC value and charging pile information; determining charging time and charging place according to the initial position, the destination, the battery SOC value and the charging pile information; when the requirement that a user inputs a quick route is acquired, acquiring a first mileage value, a second mileage value, the longest driving time allowed and the information of a gas station; obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time, the charging pile information and the gas station information; the first mileage value is the total mileage in the pure electric mode, and the second mileage value is the total mileage which can be increased by the range extender in the range extending mode.
The embodiment of the invention has the following beneficial effects:
the invention can select different routes with economical efficiency or timeliness according to the requirements of users; different strategies can be planned according to the economic route requirement and/or the shortcut route requirement selected by the user; when the user selects the economic route requirement, the battery SOC value and the charging pile information on the economic route can be acquired in real time, and a route convenient for charging can be reasonably planned according to the initial position, the destination, the battery SOC value and the charging pile information, so that a more economic route is provided for the user; when a user selects a shortcut route requirement, obtaining refueling position information or charging position information of a vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time allowed, charging pile information and gas station information; the distance of real-time supervision route the place ahead filling station and fill electric pile and distance and user state promptly, remind the user when to charge, when refuel or need not to refuel and charge for the vehicle can the rational planning travel time, makes the user can arrive the destination with the shortest time, also provides more convenient trip service for the user.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment 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 invention, and that for a person skilled in the art it is also possible to derive other drawings from these drawings without inventive effort.
FIG. 1 is a flowchart illustrating a method for controlling energy distribution of an extended range electric vehicle according to an embodiment of the present invention;
fig. 2 is a structural diagram of a system of a method for controlling energy distribution of an extended range electric vehicle according to the present embodiment.
Wherein the reference numerals in the figures correspond to:
1-an acquisition module; 2-a route confirmation module; and 3, processing the module.
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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The prior art has the following defects: the prior art introduces a range-extended electric vehicle which runs purely electrically as far as possible, reminds a user of charging when the electric quantity is insufficient, and runs by using a range extender to generate electricity when the electric quantity is not sufficient, and an engine maintains an optimal working condition area for energy conservation and emission reduction. However, in the prior art, charging cannot be performed in time when the vehicle needs charging, and only energy conservation and emission reduction can be achieved theoretically, and energy conservation and emission reduction cannot be achieved actually.
Aiming at the defects of the prior art, the invention can select different routes with economy or timeliness according to the requirements of users; different strategies can be planned according to the economic route requirement and/or the shortcut route requirement selected by the user; when the user selects the economic route requirement, the battery SOC value and the charging pile information on the economic route can be acquired in real time, and a route convenient for charging can be reasonably planned according to the initial position, the destination, the battery SOC value and the charging pile information, so that a more economic route is provided for the user; when a user selects a shortcut route requirement, obtaining refueling position information or charging position information of a vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time allowed, charging pile information and gas station information; the distance of real-time supervision route the place ahead filling station and fill electric pile and distance and user state promptly, remind the user when to charge, when refuel or need not to refuel and charge for the vehicle can the rational planning travel time, makes the user can arrive the destination with the shortest time, also provides more convenient trip service for the user.
Example 1
Referring to fig. 1 to 2, the present embodiment provides a method for controlling energy distribution of an extended range electric vehicle, including:
s101: acquiring an economic route requirement or a shortcut route requirement input by a user;
s102: when the economic route requirement input by a user is acquired, acquiring an initial position, a destination, a power price per degree and an oil price per liter, and judging whether the relation between the power price per degree and the oil price per liter meets a first preset condition or not; when a first preset condition is met, determining that the working mode is a pure electric mode, and acquiring a battery SOC value and charging pile information; determining charging time and a charging place according to the initial position, the destination, the battery SOC value and the charging pile information, and obtaining an economic route according to the initial position, the destination, the charging time and the charging place;
s103: when the requirement that a user inputs a quick route is acquired, acquiring a first mileage value, a second mileage value, the longest driving time allowed and the information of a gas station; obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time allowed, the charging pile information and the gas station information, and obtaining a shortcut route according to the initial position, the destination, the refueling position information of the vehicle or the charging position information; the first mileage value is the total mileage in the pure electric mode, and the second mileage value is the total mileage which can be increased by the range extender in the range extending mode.
It should be noted that: when a user needs to go out, the navigation software in the vehicle is used for navigating from the initial position to the destination, and the vehicle computer can plan the most economical route (including the time and the place needing to be charged) and the shortest route (including the time and the place needing to be oiled) according to the current pure electric endurance mileage and the comprehensive endurance mileage (including the mileage after the range extender is used for generating electricity). If the user selects the most economic route requirement, the vehicle machine calculates the most economical route; if the user selects a quick route requirement, namely the shortest route in time, the charging time is not as long as the time is saved by directly using the range extending mode, but more fuel is consumed, and if the comprehensive endurance mileage is greater than the navigation mileage, the selection can be carried out without intermediate refueling. The user can be reminded at interval 4 hours in the navigation and take a rest, a service area with an idle charging pile can be selected nearby, and charging and energy supplementing are convenient during the rest.
It should also be noted that: in the embodiment, different routes with economy or timeliness can be selected according to the requirements of users; different strategies can be planned according to the economic route requirement and/or the shortcut route requirement selected by the user; when the user selects the economic route requirement, the battery SOC value and the charging pile information on the economic route can be acquired in real time, and a route convenient for charging can be reasonably planned according to the initial position, the destination, the battery SOC value and the charging pile information, so that a more economic route is provided for the user; when a user selects a shortcut route requirement, obtaining refueling position information or charging position information of a vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time allowed, charging pile information and gas station information; the distance of real-time supervision route the place ahead filling station and fill electric pile and distance and user state promptly, remind the user when to charge, when refuel or need not to refuel and charge for the vehicle can the rational planning travel time, makes the user can arrive the destination with the shortest time, also provides more convenient trip service for the user.
Specifically, the mileage value of the vehicle running in the pure electric mode can be determined according to the battery SOC value.
It is more to be noted that: the economic route requirement is the requirement with the least cost for reaching the destination, and the shortcut route requirement is the requirement with the shortest time for reaching the destination; the economic route is a route with the least cost from an initial position to a destination; the shortcut route is the route with the shortest time from the initial position to the destination; the method is characterized in that the cost of oil consumption and power consumption is simply counted, high-speed cost is not recorded in the cost, high-speed time is avoided, and high-speed traffic is preferentially selected.
Specifically, but the idle and the jam-up condition of electric pile and filling station are filled in real time to the place ahead of this embodiment, can plan in advance the position that charges or refuel, save time for the user to avoid the vehicle can't in time charge or refuel, provide more convenient trip service for the user.
Specifically, the charging pile information comprises the geographic position of the charging pile and the use state of the charging pile; the gas station information comprises the geographical position of a gas station and the congestion condition of the gas station; the refueling position information at least comprises the geographic position of the corresponding available refueling station when the vehicle needs to be refueled and the time of arriving at the refueling station.
In some possible embodiments, the method further comprises the steps of obtaining charging pile information from a navigation map, and obtaining the congestion situation along the way, wherein the charging pile information comprises the geographic coordinate of the charging pile and the using state of the charging pile.
Specifically, both the economic route and the shortcut route include charging pile information and gas station information along the way.
In some possible embodiments, the route with the shortest mileage can be planned according to the charging pile information, the gas station information, the first mileage value, the second mileage value and the estimated total mileage along the route.
Specifically, when an economic route selected by a user is obtained, the economy of the vehicle running in the range-extending mode and the pure electric mode needs to be compared; when pure electric mode's economic nature is better, then provide the route that pure electric continuation of the journey mileage is the most to along the suggestion fill electric pile's geographical position and the in service behavior who fills electric pile, this makes the vehicle use pure electric mode as long as possible, this provides more convenient trip service for the user, has also reduced the expense of initial position to destination simultaneously.
In this embodiment, the maximum allowable driving time is 4 hours.
Specifically, determining the charging time and the charging place according to the estimated total mileage, the battery SOC value, and the charging pile information includes:
determining the vehicle running distance according to the SOC value of the battery;
and determining a charging place and charging time in the vehicle driving distance according to the vehicle driving distance and the charging pile information.
Preferably, the first preset condition is that the electricity price per degree is less than the product of the oil price per liter and the oil-electricity conversion rate;
the judging whether the relation between the electricity price per degree and the oil price per liter meets a first preset condition or not comprises the following steps:
when the electricity price per degree is smaller than the product of the oil price per liter and the oil-electricity conversion rate, judging that the relation between the electricity price per degree and the oil price per liter meets the first preset condition;
and when the electricity price per degree is not less than the product of the oil price per liter and the oil-electricity conversion rate, judging that the relation between the electricity price per degree and the oil price per liter does not meet the first preset condition.
It should be noted that: the electricity price per degree is less than the product of oil price per liter and the oil-electricity conversion rate, so that the economy of the pure electric mode is better than that of the extended-range mode in running; and if the electricity price per degree is not less than the product of the oil price per liter and the oil-electricity conversion rate, the economy of the range-extending mode is better than that of the pure electric mode.
Specifically, the user can input electricity price per degree and oil price per liter according to actual conditions or extract and use the electricity price per degree and oil price per liter through software; the oil-electricity conversion rate is set according to actual conditions when the vehicle leaves a factory, and the oil-electricity conversion rate values at different rotating speeds are different.
Preferably, the relationship between the electricity price per degree and the oil price per liter does not satisfy the first preset condition, and then the method further comprises the following steps:
when the relation between the electricity price per degree and the oil price per liter does not meet a first preset condition, determining that the working mode is a range extending mode; the range extending mode is that the range extender generates electricity to drive the vehicle to run;
and controlling the vehicle to run in the range-extended mode.
Preferably, when the acquisition of the shortcut route input requirement of the user is obtained, a first mileage value, a second mileage value, the longest driving time allowed and the information of a gas station are acquired; obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the maximum driving time allowed, the charging pile information and the gas station information comprises:
the refueling position information at least comprises a corresponding refueling station position when the vehicle needs to be refueled and the time of arriving at the refueling station; the charging position information at least comprises the geographic position of the corresponding available charging pile when the vehicle needs to be charged and the time of arriving at the charging pile;
obtaining estimated total mileage according to the initial position and the destination;
judging whether the estimated total mileage meets a second preset condition or not;
when the estimated total mileage meets the second preset condition, controlling the vehicle to run in a pure electric mode and/or a range extending mode, wherein the vehicle does not need to be charged and refueled;
when the estimated total mileage does not meet the second preset condition, selecting a pure electric mode first and then selecting a range extending mode; and obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time, the charging pile information and the gas station information.
Specifically, the control method controls the vehicle to run in the pure electric mode and/or the range extending mode, and the vehicle does not need to be charged and refueled at the time, and comprises the following steps:
acquiring the electricity price per degree and the oil price per liter, and judging whether the relation between the electricity price per degree and the oil price per liter meets a first preset condition or not;
when a first preset condition is met, comparing the estimated total mileage with the first mileage value respectively; when the estimated total mileage is not less than a first mileage value, controlling the vehicle to travel with the maximum mileage in the pure electric mode and then continue to travel in the range extending mode; when the estimated total mileage is smaller than the first mileage value, controlling the vehicle to run in a pure electric mode, wherein the vehicle does not need to be charged and refueled;
when the first preset condition is not met, comparing the estimated total mileage with the second mileage value; when the estimated total mileage is not less than the second mileage value, controlling the vehicle to run at the maximum mileage in the range extending mode and then continue to run in the pure electric mode; and when the estimated total mileage is smaller than the second mileage value, controlling the vehicle to run in a range extending mode, wherein the vehicle does not need to be charged and refueled.
Preferably, the second preset condition is that the estimated total mileage is not less than the sum of the first mileage value and the second mileage value;
the judging whether the estimated total mileage meets a second preset condition comprises the following steps:
when the estimated total mileage is not less than the sum of the first mileage value and the second mileage value, judging that the estimated total mileage meets the second preset condition;
and when the estimated total mileage is smaller than the sum of the first mileage value and the second mileage value, judging that the estimated total mileage does not satisfy the second preset condition.
Preferably, the charging position information further includes charging pile information within the preset range;
the obtaining of the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the maximum driving time allowed, the charging pile information, and the gas station information includes:
acquiring the charging pile information within the preset range;
when the charging pile does not exist in the preset range, controlling the vehicle to continue running in a range extending mode;
when the charging pile exists in the preset range, acquiring speed information of the vehicle;
determining a travel time according to the speed information and a first mileage value;
judging the relationship between the running time and the maximum allowable running time;
when the running time is not less than the maximum allowable running time, determining a fifth mileage value according to the maximum allowable running time and the speed information; judging whether the fifth mileage value is within the preset range or not; when the fifth mileage value is within the preset range, acquiring charging position information corresponding to charging piles within the preset range, and controlling the vehicle to go to the charging piles within the preset range for charging;
and when the running time is less than the maximum allowable running time, controlling the vehicle to continue running in a range extending mode, and acquiring the gas station information in real time.
Preferably, after determining whether the fifth mileage value is within the preset range, the method further includes:
and when the fifth mileage value is not within the preset range, controlling the vehicle to continue driving in a range extending mode, and acquiring the gas station information in real time.
Specifically, the preset range is set according to the maximum allowable driving time and the speed information, specifically, a sixth mileage value is determined according to the maximum allowable driving time and the speed information, the sixth mileage value is added to a first preset mileage value to serve as a maximum mileage value of the preset range, and a second preset mileage value is subtracted from the sixth mileage value to serve as a minimum mileage value; wherein the sixth mileage value is a mileage value which a vehicle travels for a maximum allowable travel time with the speed information.
Further, the first preset mileage value and the second preset mileage value are both less than ten kilometers.
In this embodiment, the first preset mileage value is equal to the second preset mileage value, and the first preset mileage value and the second preset mileage value can be set to two kilometers.
Specifically, when the requirement that a user selects a quick route is acquired, the economy of the vehicle running in a range extending mode and a pure electric mode needs to be compared; when the economy of the pure electric mode is better, the vehicle is controlled to run in the pure electric mode; comparing the relationship between the estimated total mileage and the sum of the first mileage value and the second mileage value; when the estimated total mileage is smaller than the sum of the first mileage value and the second mileage value, the destination can be directly reached without charging and oiling; when the estimated total mileage is not less than the sum of the first mileage value and the second mileage value, judging whether to refuel or charge according to the initial position, the destination, the charging pile information, the gas station information and the like; for example, when the vehicle is driven for more than 4 hours, rest is needed, and if a charging pile just exists nearby at the moment, charging is carried out; if no charging pile exists nearby, namely the charging pile is far away from the nearest charging pile, oiling is needed at the moment; therefore, the charging and refueling time factors are considered simultaneously, the vehicle can reasonably plan the running time, the user can arrive at the destination in the shortest time, and more convenient travel service is provided for the user.
Preferably, when the estimated total mileage meets the second preset condition, the vehicle is controlled to run in a pure electric mode and/or a range extending mode, and the vehicle does not need to be charged and refueled at the moment, and the method comprises the following steps:
when the estimated total mileage meets the second preset condition, judging whether the relation between the electricity price per degree and the oil price per liter meets a first preset condition; when the first preset condition is met, controlling the vehicle to run in a pure electric mode; comparing the estimated total mileage with the first mileage value; when the estimated total mileage is smaller than the first mileage value, controlling the vehicle to travel from the initial position to the destination in a pure electric mode; when the estimated total mileage is not less than the first mileage value, controlling the vehicle to run in a pure electric mode and then in a range extending mode;
when the relation between the electricity price per degree and the oil price per liter does not meet the first preset condition, controlling the vehicle to run in a range extending mode; comparing the estimated total mileage with the second mileage value; when the estimated total mileage is smaller than the second mileage value, controlling the vehicle to travel from an initial position to a destination in a range extending mode; and when the estimated total mileage is not less than the second mileage value, controlling the vehicle to run in a range extending mode and then in a pure electric mode.
Preferably, the economic route is a route planned according to an initial position destination, charging pile information and the number of charging piles;
the method also comprises the following steps when the user input economic route demand is acquired:
obtaining at least one estimated economic route according to the initial position and the destination;
acquiring charging pile information on each estimated economic route; the charging pile information at least comprises the geographic position of the charging pile and the use condition of the charging pile;
determining an economic route according to the vehicle charging time, the charging place, the number of charging piles on each pre-estimated economic route and the charging pile information;
acquiring charging pile information on an economic route;
and displaying the geographic position of the unused charging pile according to the SOC value of the battery and the service condition of the charging pile.
In some possible embodiments, the obtaining of the user input shortcut route requirement further includes:
obtaining at least one pre-estimated shortcut route according to the initial position and the destination;
acquiring the longest driving time, charging pile information and gas station information on each estimated shortcut; the charging pile information at least comprises the geographic position of the charging pile and the use condition of the charging pile; the gas station information at least comprises the geographical position of a gas station and the congestion condition of the gas station;
and determining the shortest quick route in use according to the longest driving time allowed, the charging pile information and the gas station information on each pre-estimated quick route, and displaying the position of the gas station for filling the vehicle and/or the position of the charging pile for charging the vehicle.
In other possible embodiments, the control method of the energy distribution of the extended range electric vehicle is embedded into a vehicle navigation system, and then the economy mode or the extended range mode is started by arranging an economy mode button and an extended range mode button.
The invention also protects a control system for energy distribution of the extended range electric vehicle, which is used for realizing the control method for energy distribution of the extended range electric vehicle, and the system comprises:
the system comprises an acquisition module 1, a processing module and a display module, wherein the acquisition module is used for acquiring an economic route demand or a quick route demand input by a user;
a route confirmation module 2, configured to obtain an economic route according to an initial position, the destination, the charging time, and the charging location; or obtaining a shortcut route according to an initial position, the destination, the refueling position information of the vehicle or the charging position information;
the processing module 3 is used for acquiring an initial position, a destination, a power price per degree and an oil price per liter when the economic route requirement input by a user is acquired, and judging whether the relation between the power price per degree and the oil price per liter meets a first preset condition or not; when a first preset condition is met, determining that the working mode is a pure electric mode, and acquiring a battery SOC value and charging pile information; determining charging time and charging place according to the initial position, the destination, the battery SOC value and the charging pile information; when the requirement that a user inputs a quick route is acquired, acquiring a first mileage value, a second mileage value, the longest driving time allowed and the information of a gas station; obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time, the charging pile information and the gas station information; the first mileage value is the total mileage in the pure electric mode, and the second mileage value is the total mileage which can be increased by the range extender in the range extending mode.
In some possible embodiments, the system further comprises an input module for inputting a price per liter of oil, a price per degree of electricity, an initial location, and a destination.
Although the present invention has been described by way of preferred embodiments, the present invention is not limited to the embodiments described herein, and various changes and modifications may be made without departing from the scope of the present invention.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above can be combined with each other without conflict.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A control method for energy distribution of an extended range electric vehicle is characterized by comprising the following steps:
acquiring an economic route requirement or a shortcut route requirement input by a user;
when the economic route requirement input by a user is acquired, acquiring an initial position, a destination, a power price per degree and an oil price per liter, and judging whether the relation between the power price per degree and the oil price per liter meets a first preset condition or not; when a first preset condition is met, determining that the working mode is a pure electric mode, and acquiring a battery SOC value and charging pile information; determining charging time and a charging place according to the initial position, the destination, the battery SOC value and the charging pile information, and obtaining an economic route according to the initial position, the destination, the charging time and the charging place;
when the requirement that a user inputs a quick route is acquired, acquiring a first mileage value, a second mileage value, the longest driving time allowed and the information of a gas station; obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time allowed, the charging pile information and the gas station information, and obtaining a shortcut route according to the initial position, the destination, the refueling position information of the vehicle or the charging position information; the first mileage value is the total mileage in the pure electric mode, and the second mileage value is the total mileage which can be increased by the range extender in the range extending mode.
2. The method as claimed in claim 1, wherein the first predetermined condition is that the electricity price per degree is less than the product of oil price per liter and oil-electricity conversion rate;
the judging whether the relation between the electricity price per degree and the oil price per liter meets a first preset condition or not comprises the following steps:
when the electricity price per degree is smaller than the product of the oil price per liter and the oil-electricity conversion rate, judging that the relation between the electricity price per degree and the oil price per liter meets the first preset condition;
and when the electricity price per degree is not less than the product of the oil price per liter and the oil-electricity conversion rate, judging that the relation between the electricity price per degree and the oil price per liter does not meet the first preset condition.
3. The method as claimed in claim 2, wherein the relationship between the price per degree and the price per liter of oil does not satisfy the first preset condition, and further comprising:
when the relation between the electricity price per degree and the oil price per liter does not meet a first preset condition, determining that the working mode is a range extending mode; the range extending mode is that the range extender generates electricity to drive the vehicle to run;
and controlling the vehicle to run in the range-extended mode.
4. The method for controlling energy distribution of an extended range electric vehicle as claimed in claim 1, wherein when the user input shortcut route requirement is obtained, a first mileage value, a second mileage value, a maximum allowable driving time and gas station information are obtained; obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the maximum driving time allowed, the charging pile information and the gas station information comprises:
the refueling position information at least comprises a corresponding refueling station position when the vehicle needs to be refueled and the time of arriving at the refueling station; the charging position information at least comprises the geographic position of the corresponding available charging pile when the vehicle needs to be charged and the time of arriving at the charging pile;
obtaining estimated total mileage according to the initial position and the destination;
judging whether the estimated total mileage meets a second preset condition or not;
when the estimated total mileage meets the second preset condition, controlling the vehicle to run in a pure electric mode and/or a range extending mode, wherein the vehicle does not need to be charged and refueled;
when the estimated total mileage does not meet the second preset condition, selecting a pure electric mode first and then selecting a range extending mode; and obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time, the charging pile information and the gas station information.
5. The method as claimed in claim 4, wherein the second predetermined condition is that the estimated total mileage is not less than a sum of the first mileage value and the second mileage value;
the judging whether the estimated total mileage meets a second preset condition comprises the following steps:
when the estimated total mileage is not less than the sum of the first mileage value and the second mileage value, judging that the estimated total mileage meets the second preset condition;
and when the estimated total mileage is smaller than the sum of the first mileage value and the second mileage value, judging that the estimated total mileage does not satisfy the second preset condition.
6. The method as claimed in claim 4, wherein the charging location information further includes charging pile information within the preset range;
the obtaining of the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the maximum driving time allowed, the charging pile information, and the gas station information includes:
acquiring the charging pile information within the preset range;
when the charging pile does not exist in the preset range, controlling the vehicle to continue running in a range extending mode;
when the charging pile exists in the preset range, acquiring speed information of the vehicle;
determining a travel time according to the speed information and a first mileage value;
judging the relationship between the running time and the maximum allowable running time;
when the running time is not less than the maximum allowable running time, determining a fifth mileage value according to the maximum allowable running time and the speed information; judging whether the fifth mileage value is within the preset range or not; when the fifth mileage value is within the preset range, acquiring charging position information corresponding to charging piles within the preset range, and controlling the vehicle to go to the charging piles within the preset range for charging;
and when the running time is less than the maximum allowable running time, controlling the vehicle to continue running in a range extending mode, and acquiring the gas station information in real time.
7. The method as claimed in claim 6, wherein the determining whether the fifth mileage value is within the preset range further comprises:
and when the fifth mileage value is not within the preset range, controlling the vehicle to continue driving in a range extending mode, and acquiring the gas station information in real time.
8. The method as claimed in claim 4, wherein the controlling the vehicle to travel in the electric only mode and/or the range extending mode when the estimated total mileage satisfies the second preset condition without charging and refueling comprises:
when the estimated total mileage meets the second preset condition, judging whether the relation between the electricity price per degree and the oil price per liter meets a first preset condition; when the first preset condition is met, controlling the vehicle to run in a pure electric mode; comparing the estimated total mileage with the first mileage value; when the estimated total mileage is smaller than the first mileage value, controlling the vehicle to travel from the initial position to the destination in a pure electric mode; when the estimated total mileage is not less than the first mileage value, controlling the vehicle to run in a pure electric mode and then in a range extending mode;
when the relation between the electricity price per degree and the oil price per liter does not meet the first preset condition, controlling the vehicle to run in a range extending mode; comparing the estimated total mileage with the second mileage value; when the estimated total mileage is smaller than the second mileage value, controlling the vehicle to travel from an initial position to a destination in a range extending mode; and when the estimated total mileage is not less than the second mileage value, controlling the vehicle to run in a range extending mode and then in a pure electric mode.
9. The method of claim 1, wherein the economic route is a route planned according to an initial location and destination, charging pile information, and a number of charging piles;
the method also comprises the following steps when the user input economic route demand is acquired:
obtaining at least one estimated economic route according to the initial position and the destination;
acquiring charging pile information on each estimated economic route; the charging pile information at least comprises the geographic position of the charging pile and the use condition of the charging pile;
determining an economic route according to the vehicle charging time, the charging place, the number of charging piles on each pre-estimated economic route and the charging pile information;
acquiring charging pile information on an economic route;
and displaying the geographic position of the unused charging pile according to the SOC value of the battery and the service condition of the charging pile.
10. A control system of energy distribution of an extended range electric vehicle for implementing the control method of energy distribution of an extended range electric vehicle according to any one of claims 1 to 9, the system comprising:
the system comprises an acquisition module (1) for acquiring an economic route demand or a shortcut route demand input by a user;
a route confirmation module (2) for obtaining an economic route according to an initial position, the destination, the charging time and the charging place; or obtaining a shortcut route according to an initial position, the destination, the refueling position information of the vehicle or the charging position information;
the processing module (3) is used for acquiring an initial position, a destination, a power price per degree and an oil price per liter when the economic route requirement input by a user is acquired, and judging whether the relation between the power price per degree and the oil price per liter meets a first preset condition or not; when a first preset condition is met, determining that the working mode is a pure electric mode, and acquiring a battery SOC value and charging pile information; determining charging time and charging place according to the initial position, the destination, the battery SOC value and the charging pile information; when the requirement that a user inputs a quick route is acquired, acquiring a first mileage value, a second mileage value, the longest driving time allowed and the information of a gas station; obtaining the refueling position information or the charging position information of the vehicle according to the first mileage value, the second mileage value, the initial position, the destination, the longest driving time, the charging pile information and the gas station information;
the first mileage value is the total mileage in the pure electric mode, and the second mileage value is the total mileage which can be increased by the range extender in the range extending mode.
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