CN110893785B

CN110893785B - New energy automobile charging pile route planning method

Info

Publication number: CN110893785B
Application number: CN201911160478.XA
Authority: CN
Inventors: 方昊
Original assignee: Anhui Kechuang New Energy Technology Co ltd
Current assignee: Anhui Kechuang New Energy Technology Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2021-10-29
Anticipated expiration: 2039-11-23
Also published as: CN110893785A

Abstract

The invention discloses a new energy automobile charging pile route planning method which includes the steps of firstly planning an initial route of a vehicle to a destination, calculating a first road section in the initial route of the vehicle according to the residual electric quantity, marking a plurality of first base points on the first road section at equal intervals, searching a charging pile around the first base points at a first set distance, replanning an alternative route, planning a route which can be charged in the way to meet the requirement of reaching the destination and can reduce the charging round trip distance on the basis of the destination of a user, enabling the user to complete charging in the way under the condition of not winding the way as much as possible, saving energy and reducing the time consumption of the user in the way.

Description

New energy automobile charging pile route planning method

Technical Field

The invention relates to the technical field of charging piles, in particular to a new energy automobile charging pile route planning method.

Background

The new energy automobile is more and more popular in the market due to the advantages of low emission, energy conservation and environmental protection, but the time of endurance is shorter than that of a fuel automobile, and the like, so that charging in long-distance running is still a problem that new energy automobile owners need to care about.

Disclosure of Invention

In view of the above, the invention aims to provide a new energy automobile charging pile route planning method, which is used for planning a better route for long-distance running of a new energy automobile.

Based on the purpose, the invention provides a new energy automobile charging pile route planning method, which comprises the following steps:

obtaining a vehicle destination, and planning an initial route of the vehicle to the destination;

acquiring the residual electric quantity of the vehicle, and calculating the predicted electric quantity required by the vehicle to reach the destination according to the initial route;

if the residual electric quantity of the vehicle is smaller than the expected electric quantity, calculating a farthest point which can be reached by the vehicle when the vehicle runs by the residual electric quantity according to the initial route, and recording a road section between the initial point and the farthest point as a first road section;

marking a plurality of first base points on the first road section at equal intervals except for the initial point and the farthest point, taking each first base point as a center and taking the first set distance as a radius, and searching the midway charging pile around the first base point;

and taking the charging piles on the way as first path points, respectively planning alternative routes and providing the alternative routes for customers.

Preferably, when the alternative routes are planned and provided to the customer, respectively, the method further comprises:

acquiring road condition information of each spare line, calculating the predicted time consumption and the predicted electric quantity consumption of each alternative line, and providing the predicted time consumption and the predicted electric quantity consumption for a user;

and taking the alternative route selected by the user as a set route to provide navigation for the user.

Preferably, when the charging pile is searched for on the way around the first base point, the method further comprises:

if no charging pile exists in the first set distance radius range of each first base point, the first set distance is expanded to a second set distance, the on-way charging pile is searched in the first set distance radius range around the initial point by taking the initial point as a central point, and the on-way charging piles are used as first path points to respectively plan alternative paths and provide the alternative paths for customers.

Preferably, the method further comprises:

calculating the total electric quantity of the residual electric quantity of the vehicle and the capacity of the battery of the vehicle;

if the predicted electric quantity is higher than the battery capacity of the vehicle and smaller than the total electric quantity, classifying each first base point in the first road segment into a first type base point and a second type base point according to the predicted electric quantity and a first set distance, wherein the electric quantity of the vehicle after being fully charged in the first set distance range around the first type base point can meet the condition that the vehicle reaches the destination along the alternative road, and the electric quantity of the vehicle after being fully charged in the first set distance range around the second type base point is not enough for the vehicle to reach the destination along the alternative road;

when the on-way charging pile is searched, the charging pile which is searched by taking the first type base point as the center is preferentially selected.

Preferably, the method further comprises:

calculating the reserved electric quantity when the vehicle reaches the destination according to the alternative route selected by the user;

if the reserved electric quantity is lower than the set threshold value, searching for the charging pile by taking the destination as the center and taking the third set distance as the radius;

if no charging pile exists in a third set distance radius range around the destination, taking the road section with the last set distance of the alternative route as a second road section;

marking a plurality of second base points on the second road section at equal intervals except for the initial point and the farthest point, and searching for a transitional charging pile around the second base points by taking each second base point as a center and taking the first set distance as a radius;

and adding each transitional charging pile as a second approach point, and replanning an alternative route and providing the alternative route for customers.

From the above, according to the new energy automobile charging pile route planning method provided by the invention, the initial route of the vehicle to the destination is planned firstly, the first road section is calculated in the initial route of the vehicle according to the residual electric quantity, the first base points are marked on the first road section at equal intervals, the charging pile is searched for around the first base point at the first set distance, the alternative route is planned again, the route which can be charged in the way to meet the requirement of reaching the destination and can reduce the charging round trip distance is planned on the basis of the destination of the user, the user can complete the charging in the way under the condition of not going around the far way as possible, the energy is saved, and the time consumption effect of the user in the way is reduced.

Drawings

Fig. 1 is a schematic flow chart of a route planning method according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.

A new energy automobile charging pile route planning method comprises the following steps:

s101, obtaining a vehicle destination, and planning an initial route of the vehicle to the destination;

similar to the navigation route planning in the prior art, the method for planning the initial route may also provide a plurality of selectable routes for the user to select, and the route finally selected by the user is used as the initial route.

S102, acquiring the residual electric quantity of the vehicle, and calculating the predicted electric quantity required by the vehicle to reach the destination according to the initial route;

average power consumption data per kilometer of the vehicle can be obtained from a vehicle management system, so that the predicted power required for the vehicle to reach the destination according to the initial route can be calculated.

S103, if the residual electric quantity of the vehicle is smaller than the expected electric quantity, calculating a farthest point which can be reached by the vehicle when the vehicle runs by the residual electric quantity according to the initial route, and marking a road section between the initial point and the farthest point as a first road section;

if the residual capacity of the vehicle is less than the predicted capacity, the residual capacity of the vehicle is not enough to support the vehicle to reach the destination, so that at least one charging is needed on the way;

s104, equidistantly marking a plurality of first base points on the first road section, taking each first base point as a center and a first set distance as a radius, and searching for the charging piles around the first base points on the way;

the first set distance can be set to a small value, such as 1 kilometer, and the charging pile can be used as the on-way charging pile as long as the charging pile is arranged in 1 kilometer of each first base point square circle on the first road section.

S105, the charging piles in all paths are used as first path points, alternative routes are planned respectively, and the alternative routes are provided for users.

The method comprises the steps of planning an initial route of the vehicle to the destination, calculating a first road section in the initial route of the vehicle according to the residual electric quantity, marking a plurality of first base points on the first road section at equal intervals, searching for charging piles at a first set distance around the first base points, re-planning an alternative route, planning a route which can be charged on the way to meet the requirement of reaching the destination and reduce the charging round trip mileage on the basis of the destination of a user, enabling the user to complete the on-way charging under the condition of not winding the way as far as possible, saving energy and reducing the time consumption effect of the user on the way.

As an embodiment, the alternative routes are planned and provided to the user separately, and the method further includes:

Although the mileage of each alternative route is similar, the actual consumed power and the electric quantity are different due to different road conditions, and the user can more conveniently select by calculating the predicted consumed power and the predicted consumed time.

As an embodiment, when searching for the en-route charging pile around the first base point, the method further includes:

if no charging pile exists in the first set distance radius range of each first base point, the first set distance is expanded to a second set distance, the on-way charging pile is searched in the first set distance radius range around the initial point by taking the initial point as a central point, and the on-way charging piles are taken as path points to respectively plan alternative routes and provide the alternative routes for customers.

When there is no charging pile in the first set distance radius range of each base point, it is described that the charging pile is far from the initial route, and the initial point is also considered as the central point, although the charging pile around the initial point is likely to cause the user to have to travel in a direction far from the destination, it is still possible to save more time and power consumption than the charging pile in the second set distance radius range of the base point.

As an embodiment, the method further comprises:

By the method, the charging times can be reduced as far as possible on the basis that the electric quantity of the new energy automobile is enough to reach the destination, the time is saved, and the efficiency is improved.

As an embodiment, the method further comprises:

After the new energy automobile arrives at the destination, if the reserved electric quantity is too low, the new energy automobile possibly cannot be supported to arrive at the nearest charging pile, the method adds the transitional charging pile around the second base point as a second route point by setting the second road section and the second base point under the condition that the reserved electric quantity is expected to be less, plans the alternative route again, and reduces unnecessary detouring of a user.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.

While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. A new energy automobile charging pile route planning method is characterized by comprising the following steps:

taking the charging piles on each way as first path points, respectively planning alternative routes and providing the alternative routes for customers;

when alternative routes are planned and provided to customers, respectively, the method further comprises:

acquiring road condition information of each alternative route, calculating predicted time consumption and predicted electric quantity consumption of each alternative route, and providing the predicted time consumption and predicted electric quantity consumption for a user;

taking the alternative route selected by the user as a set route to provide navigation for the user;

the method further comprises:

when the charging piles are searched on the way, the charging piles which are searched by taking the first type base point as the center are preferentially selected;

when searching for the en-route charging pile around the first base point, the method further comprises:

if no charging pile exists in the first set distance radius range of each first base point, expanding the first set distance into a second set distance, searching the charging pile on the way, taking the initial point as a central point, searching the charging pile on the way in the second set distance radius range around the initial point, taking the charging pile on the way as a first path point, respectively planning an alternative path and providing the alternative path for customers;

the method further comprises: