WO2020011217A1 - Electric vehicle leasing management method and system - Google Patents

Abstract

The present invention provides an electric vehicle leasing management method and system. Steps of the electric vehicle leasing management method are: inputting destination information into a target electric vehicle, calculating a predicted mileage according to the positioning of the start point information, calculating an electric quantity to be consumed according to the predicted mileage, measuring an existing electric quantity of the target vehicle, comparing the existing electric quantity with the predicted electric quantity to be consumed, and generating, according to the comparison result, a control signal to send. With the above technical solution, the present invention acquires destination information, estimates the electric quantity to be consumed to reach the destination, and takes measures to prevent a user from failing to reach the destination due to insufficient electric quantity.

Description

Electric vehicle rental management method and system Technical field

The present invention relates to the field of electric vehicle leasing, and in particular, to a method and system for managing electric vehicle leasing.

technical background

The leasing of electric vehicles, as a component of urban traffic sharing vehicles, has the advantages of green and environmentally friendly travel. However, most electric vehicles rely on charging devices. Unlike mature traditional energy vehicles, which can quickly find facilities such as gas stations, charging equipment as the basic equipment for electric vehicles to provide energy has not been widely promoted in cities. And due to the constraints of insufficient battery technology, the mileage of electric vehicles after a single charge is limited. Reasonable optimization of the electric vehicle's power management is needed to promote the widespread investment of electric vehicles in the shared rental market.

In the prior art, although an electric vehicle can provide information about the on-board power, it cannot know whether the existing on-board power is available. When the user rents the car, the user can drive to the destination enough. When running out of power, it is difficult for the user to find the charging device in time so that the rented vehicle can reach its destination, which greatly reduces the user experience and limits the development of the electric vehicle rental market.

For this reason, the market needs to develop a technology that can perform electric vehicle rental management based on the battery capacity and form mileage of electric vehicles.

Summary of invention

In order to overcome the above technical defects, an object of the present invention is to provide an electric vehicle rental management method and system.

The invention discloses an electric vehicle rental management method, which includes the following steps.

S101: Receive destination information input by a user;

S102: locate the target electric vehicle, obtain the starting point information, and simultaneously obtain the remaining power value in the electric vehicle;

S103: Calculate the estimated mileage according to the starting point information and the input destination information;

S104: Calculate the estimated power consumption value based on the estimated mileage;

S105: Compare the estimated power consumption value with the remaining power value, and generate a control signal by comparing the result of the comparison.

Preferably, step S103 further includes: planning an optimized path according to the starting point information and the received destination, and the path optimization includes the shortest path or the shortest time to reach the destination, and according to the optimized path Calculate the estimated mileage.

Preferably, step 104 further includes: segmenting the estimated mileage according to different driving speeds, establishing a relationship between the driving speed and the consumed power by a fitting method, and superimposing the consumed power of each segment to obtain Estimated power consumption.

Preferably, step 105 further includes S105-1: when the remaining power value is less than the predicted power consumption value, the comparison module calculates a difference between the remaining power value and the predicted power consumption value, and the charging is performed by the charging module. The time estimation unit calculates a time required for charging to meet the estimated power consumption value according to a difference between the remaining power consumption value and the estimated power consumption value.

Preferably, after step S105, the electric vehicle rental management method further includes the following steps: S106 sends the control signal to the car lock module; S107: determines whether the remaining power value is less than the predicted power consumption value;

S108: When the remaining power value is less than the estimated power consumption value, send a signal to maintain the locked state to the car lock module; S109: When the remaining power value is greater than or equal to the estimated power consumption value, send to the car lock module Signal of unlocked status.

Preferably, after step S105, the electric vehicle rental management method further includes the following steps: S110 sends the control signal to the display module; S111 determines whether the remaining power value is less than the predicted power consumption value; S112 when the remaining power value is less than When the estimated power consumption value, the display module displays a prompt of insufficient power to the user; S113 When the remaining power value is greater than or equal to the estimated power consumption value, the display module displays a prompt of sufficient power to the user.

Preferably, after step S105-1, the electric vehicle rental management method further includes the following steps: S114 sends the control signal to the display module; S115 determines whether the remaining power value is less than the predicted power consumption value; S116 when the remaining power value When it is less than the estimated power consumption value, the display module displays the time to be charged to the user; S117 When the remaining power value is greater than or equal to the estimated power consumption value, the display module displays a prompt to the user that the power is sufficient.

The present invention also provides an electric vehicle rental management system, including: an input module for obtaining destination information input by a user; a positioning module for obtaining starting point information of an electric vehicle; a mileage calculation module for obtaining the starting point information and Enter the destination to calculate mileage; a power measurement module for obtaining the remaining power value in the electric vehicle; an estimated power consumption module for calculating the estimated power consumption value based on the required mileage; and a comparison module; wherein the comparison module compares A magnitude of the remaining power value and the estimated power consumption value, and a control signal is generated as a result of the comparison to send.

Preferably, the electric vehicle rental management system further includes a route planning unit for optimizing the route according to the starting point information and the received destination information. The route optimization includes the route with the shortest distance or the route with the shortest time to reach the destination. The optimized route calculates the estimated mileage.

Preferably, the mileage calculation module further includes an estimated power consumption module that segments the estimated mileage according to different driving speeds, establishes a relationship between the driving speed and the consumed power through a fitting method, and calculates the consumed power of each segment. Stack up to get the estimated power consumption.

Preferably, the comparison unit further comprises a charging time estimation unit, wherein when the remaining power value is less than the predicted power consumption value, the comparison module calculates a difference between the remaining power value and the estimated power consumption value, and The charging time estimation unit calculates, according to a difference between the remaining power value and the estimated power consumption value, a time required for charging to meet the estimated power consumption value.

Preferably, the electric vehicle rental management system further includes a car lock module for locking and unlocking the electric vehicle, wherein the control signal is sent to the car lock module; determining whether the remaining power value is less than the expected consumption Power value; when the remaining power value is less than the estimated power consumption value, a signal to maintain the locked state is sent to the car lock module; when the remaining power value is greater than or equal to the estimated power consumption value, the car lock module is unlocked Status signal.

Preferably, the electric vehicle rental management system further includes a display module, wherein the control signal is sent to the display module; determining whether the remaining power value is less than the predicted power consumption value; when the remaining power value is less than the predicted power consumption value When the value is displayed, the display module displays a prompt of insufficient power to the user; when the remaining power value is greater than the expected power consumption value, the display module displays a prompt of sufficient power to the user.

Preferably, the control signal is sent to the display module; judging whether the remaining power value is less than the predicted power consumption value; when the remaining power value is less than the predicted power consumption value, the display module displays the time to be charged to the user; When the power value is greater than or equal to the expected power consumption value, the display module displays a prompt to the user that the power is sufficient.

After adopting the above technical scheme, compared with the prior art, it has the following beneficial effects:

1. It can quickly plan the route that users need to reach their destinations, provide the route plan that best meets their needs, and calculate mileage and give users travel information;

2. Unable to unlock when the remaining power is less than the expected power consumption, to ensure that users use vehicles with sufficient power to obtain a better travel experience, and prevent users from reaching their destination due to insufficient power;

3. The vehicle can display power information, which is concise and clear.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic flowchart of a method for generating a control signal for an electric vehicle rental method according to the present invention;

FIG. 2 is a schematic flowchart of sending a generated control signal to a car lock module in the first embodiment of the present invention; FIG.

3 is a flowchart of sending a generated control signal to a display module for prompting power amount information in a second embodiment of the present invention;

4 is a flowchart of sending a generated control signal to a display module and displaying a charging time required in a third embodiment of the present invention;

5 is a schematic structural diagram of an electric vehicle rental management system in a first embodiment of the present invention;

6 is a schematic structural diagram of an electric vehicle rental management system in a second embodiment of the present invention;

FIG. 7 is a schematic structural diagram of an electric vehicle rental management system in a third embodiment of the present invention.

Reference signs:

Electric vehicle management system-10, input module-11, positioning module-12, mileage calculation module-13, path planning unit-131, estimated power consumption module-14, power measurement module-15, comparison module-16, car lock module -17. Display module-26. Charging time estimation unit-361.

Summary of the invention

The advantages of the present invention will be further described below with reference to the drawings and specific embodiments.

Exemplary embodiments will be described in detail here, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices and methods consistent with some aspects of the present disclosure, as detailed in the appended claims.

The terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to limit the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

It should be understood that, although the terms first, second, third, etc. may be used in this disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present disclosure, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein can be interpreted as "at" or "when" or "in response to determination".

In the description of the present invention, it should be understood that the terms "vertical", "lateral", "up", "down", "front", "back", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inside", "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than The indicated or implied device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation on the present invention.

In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connected", and "connected" should be understood in a broad sense. For example, they may be mechanically or electrically connected, or both. The internal connection of the two elements may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms may be understood according to specific situations.

In the following description, the use of suffixes such as “module”, “component”, or “unit” for indicating elements is merely for the benefit of the description of the present invention, and it does not have a specific meaning in itself. Therefore, "module" and "component" can be used in combination. In the present invention, electric vehicles include, but are not limited to, vehicles such as electric power-assisted vehicles and electric vehicles.

Referring to FIG. 1, a schematic flowchart of a method for generating a control signal for an electric vehicle leasing method according to the present invention includes the following steps:

S101: Receive destination information input by a user. The user may use an input module. The input module may be an interactive interface or a mobile client of the user. The input information may be input to the target electric vehicle or electric vehicle rental system through the input module.

S102: Locate the target electric vehicle, obtain its starting point information, and simultaneously obtain the remaining electric power value Q0 of the target electric vehicle. A power measurement module measures the remaining power in the target electric vehicle.

The positioning of the target electric vehicle can be performed by a positioning module, such as a GPS positioning module, or the GPS positioning on the user's mobile client, and the positioning can be used as the positioning information of the target electric vehicle.

S103: Calculate the estimated mileage according to the starting point information of the positioning and the destination information input by the user. Preferably, the estimated mileage calculation may be performed based on the optimized route, including the route with the shortest route or the route that can be reached within the shortest time according to traffic conditions. Further, the driving speed of each distance can be estimated according to the real-time traffic conditions in the planned route.

S104: Calculate the estimated power consumption value Q based on the calculated estimated mileage. The specific method of estimating the power consumption according to the mileage may be: first divide the estimated mileage into several segments according to the driving speed of the vehicle, and set a reference driving speed and power consumption per unit time corresponding to the driving speed. When the driving speed changes, the power consumption per unit time will change accordingly. The relationship between driving speed and power consumption per unit time can be obtained by linear fitting, polynomial fitting, or other fitting methods. Finally, by adding up the electricity consumed during each period or distance, you can estimate the amount of electricity that will be consumed within the estimated mileage.

S105: Compare the measured electric quantity value Q0 remaining in the target electric vehicle with the estimated electric quantity value Q, and generate a control signal according to the comparison result. The comparison can be performed by a comparison module, and the control signal is generated by the comparison module. The results of the comparison correspond to a control signal, that is, a control signal corresponding to when the remaining power value Q0 is less than the expected power consumption Q, and a control signal corresponding to the remaining power value Q0 being greater than or equal to the expected power consumption value Q.

Referring to FIG. 2, in accordance with a flowchart of sending a generated control signal to a car lock module in accordance with the first embodiment of the present invention, the method has the following steps:

S105: Compare the measured electric quantity value Q0 remaining in the target electric vehicle with the estimated electric quantity value Q, and generate a control signal according to the comparison result.

S106: Send the control signal to the car lock module. It is also possible to send the control signal to a central processing module, and then the central processing module sends the signal to the car lock module.

S107: Determine whether the remaining power value Q0 is less than the expected power consumption value Q.

S108: When the remaining power value Q0 is less than the expected power consumption value Q, a signal is sent to the car lock module to maintain a locked state.

S109: When the remaining power value is greater than Q0 and equal to the expected power consumption value Q, an unlocking signal is sent to the car lock module.

Referring to FIG. 3, in accordance with a second embodiment of the present invention, a flow chart of sending a generated control signal to a display module for prompting power information is as follows:

S205: Compare the measured remaining power value Q0 in the target electric vehicle with the estimated power consumption value Q, and generate a control signal according to the result of the comparison. The steps of generating the control signal are the same as steps S101-S106;

S210: Send a control signal to the display module;

S211: Determine whether the remaining power value Q0 is less than the expected power consumption value Q.

S212: When the remaining power value Q0 is less than the expected power consumption value Q, the display module displays a prompt of insufficient power to the user;

S213: When the remaining power value Q0 is greater than or equal to the expected power consumption value Q, the display module displays a prompt to the user that the power is sufficient.

Referring to FIG. 4, in accordance with a flowchart of sending the generated control signal to the display module and displaying the remaining charging time in accordance with the third embodiment, the method has the following steps:

S305: Compare the measured electric quantity value Q0 remaining in the target electric vehicle with the estimated electric quantity value Q, and generate a control signal according to the comparison result. The steps of generating the control signal are the same as steps S101-S106.

S305-1: Further, it also includes calculating a difference between the measured electric quantity value Q0 remaining in the target electric vehicle and the estimated electric quantity value Q. When the remaining electric quantity value Q0 in the target electric vehicle is smaller than the estimated electric quantity value Q Time, and calculate the time required to charge the target electric vehicle to meet the estimated power consumption value Q;

S314: Send the control signal to the display module;

S315: Determine whether the remaining power value Q0 is less than the expected power consumption value Q.

S316: When the remaining power value Q0 is less than the expected power consumption value Q, the display module displays to the user the time to be charged;

S317: When the remaining power value Q0 is greater than or equal to the expected power consumption value Q, the display module displays a prompt to the user that the power is sufficient.

In each of the above steps, you can compare the inputted land information, estimated mileage information, estimated power consumption value, remaining power value with the estimated power consumption value, the decision whether to unlock the electric vehicle, and the need to charge. At least one or more combinations of time are displayed.

Referring to FIG. 5, a schematic structural diagram of an electric vehicle rental management system according to the first embodiment of the present invention. The electric vehicle rental management system 10 includes:

Input module 11-used by a user to input destination information for a target electric vehicle. The input module 11 may be a mobile client or an interactive interface, and matches the entered destination information with a corresponding map.

Positioning module 12-for positioning the target electric vehicle, and using the positioning information as the starting point information. The positioning module may include a GPS positioning module.

Mileage calculation module 13-Obtain the input destination information from the input module 11 and the starting point information from the positioning module 12 to calculate the estimated mileage. The mileage calculation module 13 may further include a route planning unit 131, and the route planning unit 131 may perform route optimization based on the route with the shortest route or the route that can be reached within the shortest time based on traffic conditions. The mileage calculation module 13 may calculate the estimated mileage according to the optimized route completed by the route planning unit 131.

Estimated power consumption module 14-calculates the estimated power consumption Q based on the estimated mileage obtained by the mileage calculation module 13. The specific method of estimating the power consumption may be: first divide the estimated mileage into several segments according to the vehicle driving speed, and set a reference driving speed and power consumption per unit time corresponding to the driving speed of the electric vehicle. When the driving speed is used as a variable, the power consumption per unit time will change accordingly. The relationship between driving speed and power consumption per unit time can be obtained by linear fitting, polynomial fitting, or other fitting methods. Finally, the electric power consumed by the electric vehicle's driving speed during each time period or distance can be estimated, which can estimate the electric power that will be consumed within the estimated mileage.

Power measurement module 15-measures the remaining power Q0 in the target electric vehicle.

Comparison module 16-The estimated power consumption value Q obtained from the estimated power consumption module 14 is compared with the remaining power Q0 obtained from the power measurement module 15 and a control signal generated according to the comparison result is sent to the car lock module 17 to determine Whether the remaining power value Q0 is smaller than the expected power consumption value Q. When the remaining power value Q0 is less than the expected power consumption value Q, a signal to maintain the locked state is sent to the car lock module, and the target electric vehicle will not be unlocked, and the user cannot lease the vehicle.

When the remaining power value is greater than Q0 and equal to the expected power consumption value Q, an unlocking signal is issued to the car lock module, and the user can lease the vehicle.

Referring to FIG. 6, a schematic structural diagram of an electric vehicle rental management system according to a second embodiment of the present invention. The electric vehicle rental management system includes 20:

Input module 21-used by a user to input destination information for a target electric vehicle. The input module 11 may be a mobile client or an interactive interface, and matches the entered destination information with a corresponding map.

Positioning module 22-for positioning the target electric vehicle, and using the positioning information as the starting point information. The positioning module may be a GPS positioning module.

Mileage calculation module 23-Obtain the input destination information from the input module 21 and the starting point information from the positioning module 22 to calculate the estimated mileage. The mileage calculation module 23 may further include a route planning unit 231, and the route planning unit 231 may perform route optimization according to the shortest route or the route that can be reached within the shortest time based on traffic conditions. The mileage calculation module 23 may calculate the estimated mileage according to the optimized route completed by the route planning unit 231.

The estimated power consumption module 24- calculates the estimated power consumption according to the estimated mileage obtained by the mileage calculation module 23. The specific method of estimating the power consumption may be: first divide the estimated mileage into several segments according to the vehicle driving speed, and set a reference driving speed and power consumption per unit time corresponding to the driving speed of the electric vehicle. When driving speed is used as a variable, the amount of power consumed per unit time will change accordingly. The relationship between driving speed and power consumption per unit time can be obtained by linear fitting, polynomial fitting, or other fitting methods. Finally, the electric power consumed by the electric vehicle's driving speed during each period or distance can be estimated, that is, the electric power that can be consumed within the estimated mileage can be estimated.

Power measurement module 25-measures the remaining power Q0 in the target electric vehicle, and obtains the remaining power value Q0.

Comparison module 26-The estimated power consumption value Q obtained from the estimated power consumption module 24 is compared with the remaining power Q0 obtained from the power measurement module 25, and a control signal generated according to the comparison result is sent to the display module 27. Determine whether the remaining power value Q0 is smaller than the expected power consumption value Q. When the remaining power value Q0 is less than the expected power consumption value Q, the display module displays a prompt of insufficient power to the user.

When the remaining power value Q0 is greater than or equal to the expected power consumption value Q, the display module displays a prompt to the user that the power is sufficient.

Referring to FIG. 7, a schematic structural diagram of an electric vehicle rental management system according to a third embodiment of the present invention. The electric vehicle rental management system 30 includes:

Input module 31-used by a user to input destination information for a target electric vehicle. The input module 11 may be a mobile client or an interactive interface, and matches the entered destination information with a corresponding map.

Positioning module 32-for positioning the target electric vehicle, and using the positioning information as the starting point information. The positioning module may include a GPS positioning module.

Mileage calculation module 33-Obtain the input destination information from the input module 31 and the starting point information from the positioning module 32 to calculate the estimated mileage. The mileage calculation module 33 may further include a path planning unit 331, and the path planning unit 331 may optimize the path according to the shortest path or the path that can be reached within the shortest time according to traffic conditions. The mileage calculation module 33 may calculate the estimated mileage according to the optimized route completed by the route planning unit 331.

The estimated power consumption module 34-calculates the estimated power consumption according to the estimated mileage obtained by the mileage calculation module 33. The specific method of estimating the power consumption may be: first divide the estimated mileage into several segments according to the vehicle driving speed, and set a reference driving speed and power consumption per unit time corresponding to the driving speed of the electric vehicle. When the driving speed is used as a variable, the power consumption per unit time will change accordingly. The relationship between driving speed and power consumption per unit time can be obtained by linear fitting, polynomial fitting, or other fitting methods. Finally, the electric power consumed by the electric vehicle's driving speed during each time period or distance can be estimated, which can estimate the electric power that will be consumed within the estimated mileage.

Power measurement module 35-measures the remaining power Q0 in the target electric vehicle, and obtains the remaining power value Q0.

Comparison module 36-The estimated power consumption value Q obtained from the estimated power consumption module 34 is compared with the remaining power Q0 from the power measurement module 35 and a control signal is generated according to the comparison result. The comparison module 36 further includes a charging time estimation module 361, which compares the difference between the measured electric quantity value Q0 remaining in the target electric vehicle and the estimated electric quantity value Q. When the remaining electric quantity value Q0 in the target electric vehicle is less than When the power value Q is calculated, the time required to charge the target electric vehicle to obtain the expected power value Q to be consumed is calculated. The comparison module 36 sends the generated control signal and the estimated time to charge the target electric vehicle to the display module 37 to determine whether the remaining power value Q0 is less than the predicted power consumption value Q. When the remaining power value Q0 is less than the expected power consumption value Q, the display module displays the time to be charged to the user;

When the remaining power value Q0 is greater than or equal to the expected power consumption value Q, the display module displays a prompt to the user that the power is sufficient.

The display module is also used to display the input information, the human-machine interaction interface for the user to input the information, the estimated mileage information, the estimated power consumption value, the result of comparing the remaining power value with the estimated power consumption value, whether the electric vehicle is unlocked A combination of one or more of the decision and the time to charge.

It should be noted that the embodiments of the present invention have better implementation, and do not limit the present invention in any form. Any person skilled in the art may use the disclosed technical content to change or modify the equivalent effective embodiments. However, as long as it does not depart from the technical solution of the present invention, any modification or equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims (14)

1. An electric vehicle rental management method is characterized in that it includes the following steps:

   Receive destination information entered by the user;

   Locate the target electric vehicle, obtain the starting point information, and obtain the remaining power value in the electric vehicle;

   Calculating an estimated mileage according to the starting point information and the input destination information;

   Calculate the estimated power consumption value based on the estimated mileage;

   The estimated power consumption value is compared with the remaining power value, and a control signal is generated as a result of the comparison.
2. The electric vehicle rental management method according to claim 1, wherein:

   The step of calculating the estimated mileage based on the starting point information and the input destination information further includes:

   According to the starting point information and the received destination, an optimized path is planned. The path optimization includes the shortest path or the shortest time to reach the destination, and the estimated mileage is calculated according to the optimized path.
3. The electric vehicle rental management method according to claim 1, wherein:

   The step of calculating the estimated power consumption value based on the estimated mileage also includes:

   The estimated mileage is segmented according to different driving speeds, the relationship between the driving speed and the consumed power is established by a fitting method, and the estimated consumed power is obtained by superimposing the consumed power of each segment.
4. The electric vehicle rental management method according to claim 1, wherein:

   The step of comparing the estimated power consumption value with the remaining power value and generating a control signal from the comparison result further includes:

   Compare the remaining power value with the predicted power consumption value, and when the remaining power value is less than the predicted power consumption value, calculate a value that satisfies all requirements based on the difference between the remaining power value and the predicted power consumption value Describe the estimated power consumption time and the time required to recharge.
5. The electric vehicle rental management method according to claim 1, wherein:

   The electric vehicle rental management method further includes the following steps:

   Sending the control signal to a car lock module;

   Determine whether the remaining power value is less than the expected power consumption value;

   When the remaining power value is less than the predicted power consumption value, a signal to maintain the locked state is sent to the car lock module; when the remaining power value is greater than or equal to the predicted power consumption value, a signal to the car lock module is unlocked. .
6. The electric vehicle rental management method according to claim 1, wherein:

   The electric vehicle rental management method further includes the following steps:

   Sending the control signal to a display module;

   Determine whether the remaining power value is less than the expected power consumption value;

   When the remaining power value is less than the expected power consumption value, the display module displays a prompt of insufficient power to the user;

   When the remaining power value is greater than or equal to the expected power consumption value, the display module displays a prompt to the user that the power is sufficient.
7. The electric vehicle rental management method according to claim 4, characterized in that:

   The electric vehicle rental management method further includes the following steps:

   Sending the control signal to a display module;

   Determine whether the remaining power value is less than the expected power consumption value;

   When the remaining power value is less than the estimated power consumption value, the display module displays to the user the time remaining to be charged;

   When the remaining power value is greater than or equal to the expected power consumption value, the display module displays a prompt to the user that the power is sufficient.
8. An electric vehicle rental management system is characterized in that it includes:

   An input module for obtaining destination information input by a user;

   Positioning module for obtaining starting point information of an electric vehicle;

   The mileage calculation module is used to calculate the estimated mileage based on the starting point information and the input destination;

   Electricity measurement module, used to obtain the remaining electricity value in the electric vehicle;

   An estimated power consumption module, configured to calculate an estimated power consumption value according to the estimated mileage;

   And comparison modules;

   The comparison module compares the value of the remaining power value with the value of the predicted power consumption value, and generates a control signal by using the comparison result.
9. The electric vehicle rental management system according to claim 8, characterized in that:

   The mileage calculation module further includes a path planning unit for optimizing the path according to the starting point information and the received destination information. The path optimization includes the shortest path or the shortest time to reach the destination, and according to the optimized The route calculates the estimated mileage.
10. The electric vehicle rental management system according to claim 8, characterized in that:

    The estimated power consumption module segments the estimated mileage according to different driving speeds, establishes a relationship between the driving speed and the power consumption by a fitting method, and superimposes the power consumption of each segment to obtain the estimated power consumption.
11. The electric vehicle rental management system according to claim 8, characterized in that:

    The comparison module further includes a charging time estimation unit, wherein when the remaining power value is less than the predicted power consumption value, the comparison module calculates a difference between the remaining power value and the predicted power consumption value, and the difference The charging time estimation unit calculates, according to a difference between the remaining power value and the estimated power consumption value, a time required for charging to meet the estimated power consumption value.
12. The electric vehicle rental management system according to claim 8, further comprising:

    A car lock module for locking and unlocking an electric vehicle, wherein the control signal is sent to the car lock module;

    Determine whether the remaining power value is less than the expected power consumption value;

    When the remaining power value is less than the predicted power consumption value, sending a signal to the car lock module to maintain a locked state;

    When the remaining power value is greater than or equal to the expected power consumption value, an unlocking state signal is sent to the car lock module.
13. The electric vehicle rental management system according to claim 8, further comprising:

    A display module, wherein the control signal is sent to the display module;

    Determine whether the remaining power value is less than the expected power consumption value;

    When the remaining power value is less than the expected power consumption value, the display module displays a prompt of insufficient power to the user;

    When the remaining power value is greater than or equal to the expected power consumption value, the display module displays a prompt to the user that the power is sufficient.
14. The electric vehicle rental management method according to claim 11, wherein:

    Sending the control signal to a display module;

    Determine whether the remaining power value is less than the expected power consumption value;

    When the remaining power value is less than the estimated power consumption value, the display module displays to the user the time remaining to be charged;

    When the remaining power value is greater than or equal to the expected power consumption value, the display module displays a prompt to the user that the power is sufficient.

Images