CN111833602A - Efficient route planning and driving guiding system and control method based on traffic situation - Google Patents
Efficient route planning and driving guiding system and control method based on traffic situation Download PDFInfo
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- CN111833602A CN111833602A CN202010612827.3A CN202010612827A CN111833602A CN 111833602 A CN111833602 A CN 111833602A CN 202010612827 A CN202010612827 A CN 202010612827A CN 111833602 A CN111833602 A CN 111833602A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention discloses an efficient route planning and driving guiding system and a control method based on traffic situation, and belongs to the technical field of electric automobiles. The system comprises: electric automobile and electronic equipment, wherein: the electronic equipment acquires a legal driving range and sends a control instruction carrying the legal driving range to the electric automobile; after the electric automobile receives the control instruction, position information of the electric automobile is obtained by using a positioning technology, and whether the electric automobile exceeds the legal driving range is determined by using the position information; and when the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit, and/or sending a first reminding message to the electronic equipment. The problem of among the prior art electric automobile for the student go to the place of entertainment and bring very big facility is solved.
Description
Technical Field
The invention relates to an efficient route planning and driving guiding system and a control method based on traffic situation.
Background
With the development of science and technology and the expansion of vehicle user group, many college students use electric automobile to ride instead of walk now, and the college students use electric automobile to ride instead of walk great for it provides transportation facility, but has also brought a lot of hidden dangers simultaneously, for example, has provided very big facility for many college students to go casinos such as internet caf, KTV after putting school.
Disclosure of Invention
In order to solve the problem that the electric automobile brings great convenience to students to go to entertainment places in the prior art, the embodiment of the invention provides an efficient route planning and driving guiding system and a control method based on traffic situation. The technical scheme is as follows:
in a first aspect, an efficient route planning and driving guidance system based on traffic situation is provided, the system comprising: electric automobile and electronic equipment, wherein:
the electronic equipment acquires a legal driving range and sends a control instruction carrying the legal driving range to the electric automobile;
after the electric automobile receives the control instruction, position information of the electric automobile is obtained by using a positioning technology, and whether the electric automobile exceeds the legal driving range is determined by using the position information;
when the electric automobile exceeds the legal driving range, sending a first reminding message to the electronic equipment;
the electronic equipment receives and displays the first reminding message, wherein the first reminding message is used for reminding that the electric automobile exceeds the legal driving range; the electronic equipment sends a power-off instruction to the electric automobile when detecting a power-off confirmation signal; the electric automobile controls a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit according to the power-off instruction;
the electronic equipment receives and displays the first reminding message, wherein the first reminding message is used for reminding that the electric automobile exceeds the legal driving range and the power supply of the electric automobile is cut off;
the electronic equipment sends a power supply instruction to the electric automobile when detecting a power supply confirmation signal;
the electric automobile controls a circuit between a power supply of the electric automobile and an electric automobile motor to be a passage according to the power supply instruction;
the power supply instruction also carries a power supply duration,
the electric automobile starts timing when receiving a power supply instruction;
when the timing duration of the electric automobile is less than the power supply duration, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be a passage;
when the timing duration reaches or exceeds the power supply duration, the electric automobile determines whether the electric automobile exceeds the legal driving range according to the position information of the electric automobile;
if the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit, and/or sending a second reminding message to the electronic equipment;
the power supply command also carries the running speed of the electric automobile,
the electric automobile starts to calculate the running speed of the electric automobile when receiving a power supply instruction;
when the running speed of the electric automobile is lower than the preset running speed, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be a passage;
and when the running speed of the electric automobile is greater than the preset running speed, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, or controlling the running speed of the electric automobile to be the preset running speed.
Optionally, the system further comprises a server,
the electric automobile sends position information to the server in real time after being started;
the server acquires map data of an electronic map near the position of the electric automobile according to the position information, and sends the map data and the position information to the electronic equipment;
and the electronic equipment displays the electronic map by using the map data and marks the position of the electric automobile in the electronic map according to the position information.
Optionally, the power supply instruction further includes a temporary legal driving range and an effective duration of the temporary legal driving range, and the electric vehicle starts timing when receiving the power supply instruction;
when the timing duration of the electric automobile is shorter than the effective duration, determining whether the electric automobile exceeds the temporary legal driving range according to the position information of the electric automobile; if the electric automobile exceeds the temporary legal driving range, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit, and/or sending a second reminding message to the electronic equipment;
when the timing duration of the electric automobile reaches or exceeds the effective duration, determining whether the electric automobile exceeds the legal driving range according to the position information of the electric automobile; and if the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit, and/or sending a second reminding message to the electronic equipment.
Optionally, when the electric vehicle exceeds the legal driving range, the electric vehicle alarms through a buzzer, and the alarm frequency of the buzzer is in direct proportion to the distance of the electric vehicle exceeding the legal driving range.
Optionally, the system comprises a server,
when the electric automobile exceeds the legal driving range, a camera on the electric automobile is used for recording to generate a video data signal;
and sending the video data signal to the server, and forwarding the video data signal to the electronic equipment by the server.
In a second aspect, there is provided a control method of an electric vehicle, the method including:
receiving a control instruction sent by electronic equipment, wherein the control instruction carries a legal driving range;
acquiring position information of the electric automobile by using a positioning technology, and determining whether the electric automobile exceeds the legal driving range according to the position information;
and when the legal driving range is exceeded, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, and/or sending a first reminding message to the electronic equipment.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
acquiring a legal driving range through electronic equipment, and sending a control instruction carrying the legal driving range to the electric automobile; after receiving the control instruction, the electric automobile acquires the position information thereof by using a positioning technology, and determines whether the electric automobile exceeds a legal driving range by using the position information; when the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, and/or sending a first reminding message to the electronic equipment. The problem of among the prior art electric automobile for the student go to the place of entertainment and bring very big facility is solved, the effect of the application range of electronic equipment user effective management electric automobile has been reached.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an efficient route planning and driving guidance system based on traffic situation according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method of controlling an electric vehicle according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for controlling an electric vehicle according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The "electronic device" referred to herein may include a smart phone, a tablet computer, a smart television, an e-book reader, an MP3 player (Moving Picture Experts Group Audio Layer III, mpeg Audio Layer 3), an MP4 player (Moving Picture Experts Group Audio Layer IV, mpeg Audio Layer 4), a laptop computer, a desktop computer, and the like.
Fig. 1 is a schematic structural diagram of an efficient route planning and driving guidance system based on traffic situation according to an exemplary embodiment of the present invention, where the control system includes an electric vehicle 110, an electronic device 120, and a server 130.
The electronic device 120 has a management application installed thereon, and the management application is used to provide a product server of the electric vehicle and/or a management service of the electric vehicle.
The electronic device 120 and the electric vehicle 110 can communicate in two ways:
first, when the electric vehicle 110 is located within a wireless Communication range of the electronic device 120, the electric vehicle 110 may communicate with the electronic device 120 using a wireless Communication technology such as bluetooth, NFC (Near Field Communication), or the like.
Second, the electric vehicle 110 may be connected to the server 130 through a wireless network, and the electronic device 120 may be connected to the server 130 through a wired or wireless network. The server 130 forwards the information or data that the electronic device 120 needs to send to the electric vehicle 110, and the server 130 forwards the information or data that the electric vehicle 110 needs to send to the electronic device 120.
Referring to fig. 2, a flowchart of a method for controlling an electric vehicle according to an embodiment of the present invention is shown, and the present embodiment illustrates the method for controlling an electric vehicle used in the control system shown in fig. 1. As shown in fig. 2, the control method of the electric vehicle may include:
and step 210, the electronic equipment acquires a legal driving range and sends a control instruction carrying the legal driving range to the electric automobile.
The user can utilize the management application program on the electronic device to bind the electric automobile with the user account number logged in the electronic device or the management application program. The method can be realized in the following ways:
firstly, the electronic device scans an electric vehicle within a communication range, and acquires device information from the scanned electric vehicle, where the device information may include a factory company, a device identifier capable of uniquely identifying the electric vehicle, and the like; and displaying the scanned equipment information of the electric automobile, acquiring the electric automobile selected by the user from the equipment information, and binding the electric automobile selected by the user with the user account logged in the electronic equipment or the management application program.
Secondly, the electronic device may present an input box for inputting device information of the electric vehicle; and the electronic equipment binds the electric automobile with the user account logged in the electronic equipment or the management application program by using the equipment information in the input box.
After the electric vehicle is bound with the electronic device or the user account, the management application program can provide a function of setting a legal driving range of the electric vehicle. The legal driving range may be an area selected by the user or a driving route set by the user, which is not specifically limited in this embodiment.
Step 210 can be implemented in several ways:
firstly, acquiring a first destination and a second destination input by a user; obtaining a plurality of candidate driving routes between a first destination and a second destination, and displaying the candidate driving routes for a user to select; determining the driving route selected by the user as a legal driving range; and sending a control command carrying the legal driving range to the electric automobile.
Secondly, acquiring a center position and a radius distance input by a user, and determining a circular area taking the center position as a circle center and the radius distance as a radius as a legal driving range; and sending a control command carrying the legal driving range to the electric automobile.
Thirdly, displaying the electronic map, acquiring the selected area in the electronic map, and determining the area as a legal driving range; and sending a control command carrying the legal driving range to the electric automobile.
It should be noted that, in this step, the electronic device sends the control command to the electric vehicle in the following two ways: firstly, the control instruction is sent to the electric automobile by utilizing wireless communication technology such as Bluetooth, NFC and the like; and secondly, sending the control instruction to a server, and forwarding the control instruction to the electric vehicle bound with the electronic equipment by the server.
Step 220, after receiving the control command, the electric vehicle obtains its position information by using a positioning technology, and determines whether the electric vehicle exceeds a legal driving range by using the position information.
After receiving the control instruction, the electric vehicle performs positioning in real time by using technologies such as a Global Positioning System (GPS) and a Beidou positioning system to obtain position information of the electric vehicle; and determining whether the electric automobile exceeds a legal driving range according to the position information.
Optionally, calculating a minimum distance between the electric vehicle and a legal driving range according to the position information; and if the minimum distance is smaller than the preset distance, determining that the electric automobile does not exceed the legal driving range, otherwise, determining that the electric automobile exceeds the legal driving range.
During actual implementation, the electric automobile can upload the position information of the electric automobile to the server in real time, and the server determines whether the electric automobile exceeds a legal driving range according to the position information of the electric automobile; and when the electric automobile exceeds the legal driving range, sending a message for indicating that the electric automobile exceeds the legal driving range to the electric automobile.
Optionally, the server may also send a first prompting message to the electronic device bound to the electric vehicle, where the first prompting message is used to prompt the user that the electric vehicle is out of the legal driving range.
And step 230, when the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, and/or sending a first reminding message to the electronic equipment.
The specific implementation of controlling the circuit between the power supply of the electric automobile and the motor of the electric automobile to be an open circuit can be as follows: an electronic switch is arranged in a circuit between the power supply and the motor of the electric automobile, and the control end of the electronic switch is connected with a processor in the electric automobile; when the electric automobile exceeds the legal driving range, the processor controls the electronic switch to be opened so that a circuit between the power supply and the electric automobile motor becomes an open circuit, and the power supply in the electric automobile stops supplying power to the electric automobile motor.
The implementation of sending the first reminding message to the electronic device by the electric vehicle may be as follows: the electric automobile sends the first reminding message to the server, and the server forwards the first reminding message to the electronic equipment.
In summary, in the method provided in the embodiment of the present invention, the legal driving range is obtained through the electronic device, and the control instruction carrying the legal driving range is sent to the electric vehicle; after receiving the control instruction, the electric automobile acquires the position information thereof by using a positioning technology, and determines whether the electric automobile exceeds a legal driving range by using the position information; when the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, and/or sending a first reminding message to the electronic equipment. The problem of among the prior art electric automobile for the student go to the place of entertainment and bring very big facility is solved, the effect of the application range of electronic equipment user effective management electric automobile has been reached.
In one example, the electronic device displays a first reminding message for reminding the user that the electric automobile is out of the legal driving range, and the user determines whether to cut off the power supply of the motor of the electric automobile, and the method comprises the following steps: the electronic equipment receives and displays the first reminding message, and the first reminding message is used for reminding that the electric automobile exceeds the legal driving range; when detecting the power-off confirmation signal, the electronic equipment sends a power-off instruction to the electric automobile; and the electric automobile controls a circuit between a power supply of the electric automobile and the motor of the electric automobile to be an open circuit according to the power-off instruction.
The specific implementation can be as follows: the electronic equipment displays a confirmation button and a denial button while displaying the first reminding message; when the confirmation button is triggered, confirming that a power-off confirmation signal is received, and sending a power-off instruction to the electric automobile; and when the condition that the repudiation button is triggered is detected, stopping displaying the first reminding message, the confirmation button and the repudiation button.
In one example, when the electric automobile exceeds the legal driving range, the electric automobile directly cuts off the power supply of the motor of the electric automobile, and a first reminding message for reminding that the electric automobile exceeds the legal driving range and the power supply of the electric automobile is cut off is sent to the electronic equipment. The method can be realized by the following steps: the electronic equipment receives and displays a first reminding message, wherein the first reminding message is used for reminding that the electric automobile exceeds a legal driving range and the power supply of the electric automobile is cut off; the electronic equipment sends a power supply instruction to the electric automobile when detecting the power supply confirmation signal; and the electric automobile controls a circuit between a power supply of the electric automobile and the motor of the electric automobile to be a passage according to the power supply instruction.
The specific implementation can be as follows: the electronic equipment displays a power supply confirming button and a power supply denying button while displaying the first reminding message; when the power supply confirmation button is triggered, confirming that a power supply confirmation signal is received, and sending a power supply instruction to the electric automobile; and when the condition that the power supply denial button is triggered is detected, stopping displaying the first reminding message, the power supply confirmation button and the power supply denial button.
In one example, a user using an electric vehicle may negotiate with a user of an electronic device that the electric vehicle may be used beyond a safe driving range for a certain time, which may be achieved by: the power supply instruction also carries power supply duration, and the electric automobile starts timing when receiving the power supply instruction; when the timing duration of the electric automobile is less than the power supply duration, a circuit between the control power supply and the electric automobile motor is a passage.
For example, when the electronic device displays the first reminding message, the electronic device also displays a power supply confirming button and a power supply denying button; when the power supply confirmation button is triggered, displaying an input box and a confirmation button for filling power supply duration; and when the confirmation button is detected to be triggered, adding the power supply duration input in the input frame to a power supply instruction, and sending the power supply instruction to the electric automobile.
Optionally, when the timing duration of the electric vehicle reaches or exceeds the power supply duration, determining whether the electric vehicle exceeds a legal driving range according to the position information of the electric vehicle; and if the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, and/or sending a second reminding message to the electronic equipment, wherein the second reminding message is used for reminding that the electric automobile exceeds the legal driving range.
The implementation that the electric automobile sends the second reminding message to the electronic equipment can refer to the implementation that the electric automobile sends the first reminding message to the electronic equipment.
In one example, a user using an electric vehicle may negotiate with a user of the electronic device to set a temporary legal driving range and an effective period of the temporary legal driving range. The specific implementation can be as follows: the method comprises the steps that timing is started when the electric automobile receives a power supply instruction, wherein the power supply instruction also comprises a temporary legal driving range and effective duration of the temporary legal driving range; when the timing duration of the electric automobile is less than the effective duration, determining whether the electric automobile exceeds a temporary legal driving range according to the position information of the electric automobile; if the electric automobile exceeds the temporary legal driving range, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, and/or sending a second reminding message to the electronic equipment;
when the timing duration of the electric automobile reaches or exceeds the effective duration, determining whether the electric automobile exceeds a legal driving range according to the position information of the electric automobile; and if the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, and/or sending a second reminding message to the electronic equipment.
The implementation of setting the temporary legal driving range in the electronic device by the user can refer to the implementation of setting the legal driving range, and details are not described here.
In one example, when the electric automobile exceeds the legal driving range, the electric automobile gives a buzzer alarm, and the frequency of the buzzer alarm is in direct proportion to the distance that the electric automobile exceeds the legal driving range.
In one example, when the electric automobile exceeds the legal driving range, a camera on the electric automobile is used for recording to generate a video data signal; the video data signals are sent to the server, and the server forwards the video data signals to the electronic equipment, so that a user of the electronic equipment can monitor the running environment near the electric automobile in real time.
In one example, the power supply command also carries the running speed of the electric automobile,
the electric automobile starts to calculate the running speed of the electric automobile when receiving a power supply instruction;
when the running speed of the electric automobile is lower than the preset running speed, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be a passage;
and when the running speed of the electric automobile is greater than the preset running speed, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, or controlling the running speed of the electric automobile to be the preset running speed.
For example, the preset running speed is 80km/h, when the running speed of the electric automobile is greater than 80km/h, a circuit between a power supply of the electric automobile and a motor of the electric automobile is controlled to be an open circuit, or when the running speed of the electric automobile is greater than 80km/h, the running speed of the electric automobile is controlled to be 80km/h constantly.
It is understood that the preset driving speed may be pre-stored in the electronic device by the manufacturer, or may be input into the electronic device by the user according to the actual use experience of the user. It is understood that, in another embodiment, the preset driving speed may also be a desired driving speed input by a user or a recommended driving speed pre-stored in the electronic device by a manufacturer.
In summary, according to the efficient route planning and driving guidance system based on traffic situation provided by the invention, when the driving speed of the electric vehicle is greater than the preset driving speed, the circuit between the power supply of the electric vehicle and the motor of the electric vehicle is controlled to be an open circuit, or the driving speed of the electric vehicle is controlled to be the preset driving speed. The safety hidden danger of the electric automobile caused by too high running speed in a legal running range can be prevented, and the safe running of the electric automobile is effectively guaranteed.
In one example, the electric automobile sends the position information to the server in real time after being started; the server acquires map data of an electronic map near the position of the electric automobile according to the position information, and sends the map data and the position information to the electronic equipment; the electronic equipment displays the electronic map by using the map data and marks the position of the electric automobile in the electronic map according to the position information.
Referring to fig. 3, a method flowchart of a control method of an electric vehicle according to another embodiment of the present invention is shown, and the present embodiment illustrates the control method of the electric vehicle applied to the electric vehicle shown in fig. 1. As shown in fig. 3, the control method of the electric vehicle may include:
and 310, receiving a control instruction sent by the electronic equipment, wherein the control instruction carries a legal driving range.
And step 320, acquiring the position information of the electric vehicle by using a positioning technology, and determining whether the electric vehicle exceeds a legal driving range by using the position information.
And 330, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit and/or sending a first reminding message to the electronic equipment when the legal driving range is exceeded.
In summary, in the method provided in the embodiment of the present invention, the legal driving range is obtained through the electronic device, and the control instruction carrying the legal driving range is sent to the electric vehicle; after receiving the control instruction, the electric automobile acquires the position information thereof by using a positioning technology, and determines whether the electric automobile exceeds a legal driving range by using the position information; when the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, and/or sending a first reminding message to the electronic equipment. The problem of among the prior art electric automobile for the student go to the place of entertainment and bring very big facility is solved, the effect of the application range of electronic equipment user effective management electric automobile has been reached.
The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying a number of the indicated technical features. Thus, a defined feature of "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. An efficient route planning and driving guidance system based on traffic situation, the system comprising: electric automobile and electronic equipment, wherein:
the electronic equipment acquires a legal driving range and sends a control instruction carrying the legal driving range to the electric automobile;
after the electric automobile receives the control instruction, position information of the electric automobile is obtained by using a positioning technology, and whether the electric automobile exceeds the legal driving range is determined by using the position information;
when the electric automobile exceeds the legal driving range, sending a first reminding message to the electronic equipment;
the electronic equipment receives and displays the first reminding message, wherein the first reminding message is used for reminding that the electric automobile exceeds the legal driving range; the electronic equipment sends a power-off instruction to the electric automobile when detecting a power-off confirmation signal; the electric automobile controls a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit according to the power-off instruction;
the electronic equipment receives and displays the first reminding message, wherein the first reminding message is used for reminding that the electric automobile exceeds the legal driving range and the power supply of the electric automobile is cut off;
the electronic equipment sends a power supply instruction to the electric automobile when detecting a power supply confirmation signal;
the electric automobile controls a circuit between a power supply of the electric automobile and an electric automobile motor to be a passage according to the power supply instruction;
the power supply instruction also carries a power supply duration,
the electric automobile starts timing when receiving a power supply instruction;
when the timing duration of the electric automobile is less than the power supply duration, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be a passage;
when the timing duration reaches or exceeds the power supply duration, the electric automobile determines whether the electric automobile exceeds the legal driving range according to the position information of the electric automobile;
if the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit, and/or sending a second reminding message to the electronic equipment;
the power supply command also carries the running speed of the electric automobile,
the electric automobile starts to calculate the running speed of the electric automobile when receiving a power supply instruction;
when the running speed of the electric automobile is lower than the preset running speed, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be a passage;
and when the running speed of the electric automobile is greater than the preset running speed, controlling a circuit between a power supply of the electric automobile and a motor of the electric automobile to be an open circuit, or controlling the running speed of the electric automobile to be the preset running speed.
2. The system of claim 1, further comprising a server, wherein the electric vehicle sends its location information to the server in real time after being powered on;
the server acquires map data of an electronic map near the position of the electric automobile according to the position information, and sends the map data and the position information to the electronic equipment;
and the electronic equipment displays the electronic map by using the map data and marks the position of the electric automobile in the electronic map according to the position information.
3. The system according to claim 1, wherein the power supply instruction further includes a temporary legal driving range and a valid time period of the temporary legal driving range,
the electric automobile starts timing when receiving the power supply instruction;
when the timing duration of the electric automobile is shorter than the effective duration, determining whether the electric automobile exceeds the temporary legal driving range according to the position information of the electric automobile; if the electric automobile exceeds the temporary legal driving range, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit, and/or sending a second reminding message to the electronic equipment;
when the timing duration of the electric automobile reaches or exceeds the effective duration, determining whether the electric automobile exceeds the legal driving range according to the position information of the electric automobile; and if the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit, and/or sending a second reminding message to the electronic equipment.
4. The system of claim 1,
and when the electric automobile exceeds the legal driving range, the electric automobile gives an alarm through a buzzer, and the alarm frequency of the buzzer is in direct proportion to the distance of the electric automobile exceeding the legal driving range.
5. The system of claim 2, wherein the system comprises a server,
when the electric automobile exceeds the legal driving range, a camera on the electric automobile is used for recording to generate a video data signal;
and sending the video data signal to the server, and forwarding the video data signal to the electronic equipment by the server.
6. A control method of an electric vehicle, characterized by comprising:
receiving a control instruction sent by electronic equipment, wherein the control instruction carries a legal driving range;
acquiring position information of the electric automobile by using a positioning technology, and determining whether the electric automobile exceeds the legal driving range according to the position information;
when the legal driving range is exceeded, sending a first reminding message to the electronic equipment, wherein the first reminding message is used for reminding that the electric automobile exceeds the legal driving range;
when a power-off instruction is received, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit according to the power-off instruction, wherein the power-off instruction is sent when the electronic equipment detects a power-off confirmation signal after receiving and displaying the first reminding message;
sending a power supply instruction to the electric automobile; the electric automobile controls a circuit between a power supply of the electric automobile and an electric automobile motor to be a passage according to the power supply instruction; the power supply instruction also carries power supply duration, and the electric automobile starts timing when receiving the power supply instruction; when the timing duration of the electric automobile is less than the power supply duration, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be a passage; when the timing duration reaches or exceeds the power supply duration, the electric automobile determines whether the electric automobile exceeds the legal driving range according to the position information of the electric automobile; and if the electric automobile exceeds the legal driving range, controlling a circuit between a power supply of the electric automobile and an electric automobile motor to be an open circuit, and/or sending a second reminding message to the electronic equipment.
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Application publication date: 20201027 |