WO2019174636A1 - 显示车辆的可抵达范围的方法 - Google Patents

显示车辆的可抵达范围的方法 Download PDF

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Publication number
WO2019174636A1
WO2019174636A1 PCT/CN2019/078299 CN2019078299W WO2019174636A1 WO 2019174636 A1 WO2019174636 A1 WO 2019174636A1 CN 2019078299 W CN2019078299 W CN 2019078299W WO 2019174636 A1 WO2019174636 A1 WO 2019174636A1
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Prior art keywords
vehicle
information
reachable range
range
driving behavior
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PCT/CN2019/078299
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English (en)
French (fr)
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德龙
莫雷拉阿古斯蒂·M.
潘瑶
加兰蒂·G.
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博世汽车部件(苏州)有限公司
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Priority to JP2020549589A priority Critical patent/JP2021518531A/ja
Publication of WO2019174636A1 publication Critical patent/WO2019174636A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/3407—Route searching; Route guidance specially adapted for specific applications
    • G01C21/3415—Dynamic re-routing, e.g. recalculating the route when the user deviates from calculated route or after detecting real-time traffic data or accidents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
    • G01C21/3469—Fuel consumption; Energy use; Emission aspects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
    • G01C21/3484—Personalized, e.g. from learned user behaviour or user-defined profiles

Definitions

  • the present invention relates to the field of map display technology, and more particularly to a method of displaying an reachable range of a vehicle.
  • electric vehicles including electric vehicles, electric mopeds, electric scooters, etc.
  • Driving an electric car users can conveniently park and reduce carbon dioxide emissions, which is conducive to environmental protection.
  • electric vehicles typically display the remaining power in percentage form and display the current position. However, there is no association between the remaining power and the destination location, making it difficult for the driver to determine whether the remaining power is sufficient for the electric vehicle to travel to the final destination.
  • the mileage of the electric vehicle is estimated according to the average speed of the electric vehicle, but the actual load of the electric vehicle and the driving behavior of the driver are not taken into consideration, so that the driver often feels that the estimated mileage is not accurate.
  • the present invention provides a technical solution for: displaying a reachable range of a vehicle, comprising: acquiring a mileage of the vehicle; acquiring a current location of the vehicle; and dynamically displaying the association on the map application based on the mileage.
  • the reachable range at the current location comprising: acquiring a mileage of the vehicle; acquiring a current location of the vehicle; and dynamically displaying the association on the map application based on the mileage.
  • the reachable range is generated based on road information.
  • the reachable range includes a first area and a second area; wherein the first area is an area where the energy level of the vehicle supports the vehicle to travel under the first working condition, and the second area is the energy level of the vehicle supports the vehicle to the second work An area of conditional travel in which the first operating condition is different from the second operating condition.
  • dynamically displaying the reachable range associated with the current location includes displaying the reachable range in a circle having a radius of travelable mileage around the identification of the current location.
  • the reachable range is scaled in response to a user's touch gesture to display map details and/or map overview.
  • the vehicle is an electric vehicle
  • the mileage can be calculated based on the current electric quantity of the electric vehicle, the load information, and the driving behavior data of the driver.
  • the driving behavior data includes speed information, acceleration information, and/or braking frequency information preferred by the driver.
  • the speed information, the acceleration information, and the braking frequency information are respectively associated with different road segment information.
  • the present invention also discloses a navigation device comprising: a first calculation unit for acquiring a range of the vehicle; and a second display unit that dynamically displays the current position associated with the vehicle on the map application based on the rangeable mileage Accessible range.
  • the method for displaying the reachable range on the map application provided by the embodiments of the present invention enables the user to easily determine whether the current energy level of the vehicle is sufficient for the vehicle to travel to the destination, and at the same time, the estimation of the mileage can be more accurate. It can even be estimated with customized parameters for the driver, which significantly improves the user experience and user satisfaction. Also disclosed is a navigation device that can be integrated or communicatively coupled to the vehicle such that the user can accurately estimate its reachable range, thereby providing a number of conveniences for the user's travel.
  • FIG. 1 is a schematic flow chart showing a method for displaying an reachable range on a map application according to a first embodiment of the present invention.
  • Figure 2 shows a schematic diagram of the reachable range corresponding to different current amounts of electricity.
  • Coupled is defined to mean either directly connected to a component or indirectly connected to a component via another component.
  • a first embodiment of the present invention provides a method for displaying an reachable range on a map application, including the following steps S10 and S20.
  • Step S10 Acquire a mileage of the electric vehicle.
  • the unit performing the calculation may be coupled to the battery management module of the electric vehicle to obtain current power information, and coupled to one or more electronic scales disposed on the electric vehicle end to obtain occupant weight and/or Cargo weight information.
  • the driver's driving behavior data is taken into account.
  • the driving behavior data may include speed information, acceleration information, and braking frequency information that are preferred by the driver, and the data or information should be personalized.
  • speed information may include speed information, acceleration information, and braking frequency information that are preferred by the driver, and the data or information should be personalized.
  • different drivers prefer different speed information, acceleration information, and braking frequency information, they will also have different personalized data.
  • Using specific speed information, acceleration information, and braking frequency information to measure the driver's usual driving behavior, and then to estimate the range of the electric vehicle, will make the estimated range available to the driver. Accurate, this can significantly improve user experience and user satisfaction.
  • the driving behavior data can be generated by performing statistical analysis on the electric vehicle for a long period of time, or the traveling information of the electric vehicle can be periodically acquired by the cloud server, and then statistical analysis can be performed.
  • the speed information, the acceleration information, and the braking frequency information are associated with different link information, respectively. That is to say, in different sections, each driver may prefer different speeds, accelerations and braking frequencies that differ greatly. It can be understood that in the uphill section, the downhill section, the road section near the school or the open section, the driver will inevitably choose different driving speeds, accelerations and the number of braking times (frequency) used, which in turn will cause the electric vehicles to consume different amounts of electricity. . Associating these driving behavior data with different road segment information will further improve the accuracy of the estimated mileage.
  • Step S20 dynamically display the reachable range associated with the current location of the electric vehicle on the map application based on the range.
  • the reachable range is determined based on the mileage that can be calculated based in part on the current power of the electric vehicle. Thus, the correspondence between the reachable range and the current amount of electricity can be established.
  • Figure 2 shows the reachable range corresponding to different power states A, B, C (current power is 100%, 50%, 5%, respectively) when the load information and driver's driving behavior data are not considered. Schematic diagram.
  • the reachable range is shown in a circle having a radius of travelable radius. As shown in Fig. 2, the reachable range and the map are superimposed as a circle.
  • the state of charge is A
  • the circular area is the largest (corresponding to the maximum reachable range)
  • the state of charge is B
  • the circular area is reduced.
  • the state of charge is C
  • the circular area is the smallest (corresponding to the minimum reachable range).
  • the reachable range will also be dynamically updated.
  • one or more leader lines are extended between the identification of the current position and the perimeter of the circle shown, and the value of the range and/or the energy level of the vehicle are indicated on the leader line. For example, the specific value of the mileage can be displayed on the map, as shown in Figure 2.
  • the destination of the electric vehicle is also displayed on the map.
  • the user can directly know whether the current power is sufficient. Bring the electric vehicle to its destination. For example, as an example, when the destination is within the reachable range, the destination is shown in green, and when the destination is outside the reachable range, it is shown in red.
  • the reachable range may be scaled in response to a user's touch gesture to the touch screen to display a map overview or map detail, respectively.
  • the zoom of the reachable range and the zoom of the map will be synchronized in the same zoom ratio.
  • the reachable range will be generated based on road information. Since the urban road is fixed, rather than in any radial direction starting from the current position, the same amount of electricity will travel differently in a different direction (from the current position, ie the starting position). Thus, it will be appreciated that the reachable range will no longer assume the circle shown in Figure 2, but may be elliptical, diamond shaped, and any other possible irregular shape.
  • the reachable range includes a plurality of regions shown in different colors (or different lines, different contrasts, etc.), for example, a green first region and an orange second region; wherein the first region is represented as The energy level of the vehicle supports an area in which the vehicle travels at a first operating condition, and the second area is represented as an area in which the energy level of the vehicle supports the vehicle traveling at the second working condition, and the first operating condition is different from the second operating condition.
  • the first operating condition can represent an optimistic working condition (eg, the load is minimum, the road condition is optimal, the number of braking times is zero), and the second operating condition can represent a poor working condition (eg, the load is maximum, The road condition is the worst and the number of braking is 5 brakes per kilometer).
  • an optimistic working condition eg, the load is minimum, the road condition is optimal, the number of braking times is zero
  • the second operating condition can represent a poor working condition (eg, the load is maximum, The road condition is the worst and the number of braking is 5 brakes per kilometer).
  • the first area is the area where the current power support electric vehicle travels at the first (higher) speed, typically in an approximately circular shape
  • the second area is the current power support electric vehicle traveling at the second (lower) speed
  • the area is usually approximately circular.
  • the map application is installed on a smart terminal (eg, a smart phone) held by the user.
  • the map application is mounted to the electric vehicle end and displayed on a touch screen provided with the electric vehicle.
  • a second embodiment of the present invention provides a navigation apparatus including at least a first calculation unit and a second display unit, and an optional information acquisition unit.
  • the first calculating unit is configured to acquire the mileage of the vehicle
  • the second display unit dynamically displays the reachable range associated with the current position of the vehicle on the map application based on the mileage.
  • the information acquisition unit is communicatively coupled with the cloud server to obtain driver's driving behavior data.
  • the vehicle is an electric vehicle
  • the first computing unit is communicatively coupled with the information acquisition unit to calculate the range of the electric vehicle based on the current power, load information, and driving behavior data of the electric vehicle.
  • the second display unit is communicatively coupled to the first computing unit to dynamically display an reachable range associated with the current location of the electric vehicle on the map application based on the range.
  • the second display unit dynamically displays the reachable range based on the road information and the range.
  • the reachable range may be elliptical, diamond shaped, and any other possible irregular shape.
  • the driving behavior data includes speed information, acceleration information, and/or braking frequency information that the driver prefers.
  • associating these driving behavior data with different road segment information is beneficial to improving the accuracy of the estimation of the mileage.
  • the navigation device also recommends a driving route to the driver based on the reachable range, which can be mainly aimed at saving power or driving the shortest distance.
  • the navigation device can be integrated on an electric vehicle. Alternatively, the navigation device is carried by the driver and communicatively coupled to the electric vehicle to obtain current power information from the electric vehicle end.
  • the navigation device can be integrated or communicatively coupled with the electric vehicle, which brings convenience to the user's travel.
  • At least a portion of the apparatus may be implemented with a set of distributed computing units to which the communication network is connected, or based on a "cloud.”
  • multiple computing units operate together to provide services by using their shared resources.
  • a "cloud-based” implementation can provide one or more benefits, including: openness, flexibility and scalability, central management, reliability, scalability, optimization of computing resources, aggregation and analysis across multiple The ability of users to have information, connect across multiple geographic regions, and the ability to use multiple mobile or data network operators for network connectivity.
  • a third embodiment of the present invention provides a computer readable storage medium having stored thereon computer executable instructions that, when executed by a processor, will implement the above first embodiment or any improvement thereof Methods.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

一种显示车辆的可抵达范围的方法，包括：获取车辆的可行驶里程(S10)；基于可行驶里程在地图应用上动态地显示关联于当前位置的可抵达范围(S20)；其使用户极方便地确定当前电量是否足以使电动车辆行驶至目的地，同时，对可行驶里程的估算更为准确。

Description

显示车辆的可抵达范围的方法 技术领域
本发明涉及地图显示技术领域，更具体地说，涉及一种显示车辆的可抵达范围的方法。
背景技术
当前，电动车辆(包括电动汽车、电力助动车、电力滑板车等)越来越普及。驾驶电动汽车出行，用户能够方便地停车，同时大量减少二氧化碳排放，有利于保护环境。
根据现有技术，电动车辆通常以百分比形式显示剩余电量，以及显示当前位置。但是，在剩余电量与目的地位置之间无法形成关联，使得驾驶员难以判断剩余电量是否足以使电动车辆行驶至最终目的地。在一些改进方案中，根据电动车辆的平均速度来估计电动车辆的可行驶里程，但没有考虑到电动车辆的实际载荷和驾驶员的驾驶行为习惯，使得驾驶员常常觉得所估计的可行驶里程不准确。
发明内容
本发明的目的在于提供一种能够克服现有技术缺陷的技术方案。
为实现上述目的，本发明提供如下技术方案：一种显示车辆的可抵达范围的方法，包括：获取车辆的可行驶里程；获取车辆的当前位置；基于可行驶里程在地图应用上动态地显示关联于当前位置的可抵达范围。
优选地，可抵达范围基于道路信息来生成。
优选地，可抵达范围包括第一区域和第二区域；其中，第一区域为车辆的能量水平支持车辆以第一工作条件行驶的区域，第二区域为车辆的能量水平支持车辆以第二工作条件行驶的区域，其中第一工作条件不同于第二工作条件。
优选地，动态地显示关联于当前位置的可抵达范围包括：在当前位置的标识的周围，以可行驶里程为半径的圆形示出可抵达范围。
优选地，可抵达范围响应于用户的触摸手势而进行缩放，以显示地图细节和/或地图概览。
优选地，车辆为电动车辆，可行驶里程是基于电动车辆的当前电量、载荷信息和驾驶员的驾驶行为数据来计算。
优选地，驾驶行为数据包括驾驶员偏好的速度信息、加速度信息和/或制动频率信息。
优选地，速度信息、加速度信息以及制动频率信息分别关联于不同路段信息。
本发明还公开一种导航装置，包括：第一计算单元，用于获取车辆的可行驶里程；以及第二显示单元，其基于可行驶里程在地图应用上动态地显示关联于车辆的当前位置的可抵达范围。
本发明各实施例提供的在地图应用上显示可抵达范围的方法能够使用户极方便地确定车辆的当前能量水平是否足以使车辆行驶至目的地，同时，其对可行驶里程的估算更准确，甚至能够以针对驾驶员的定制化参数进行估算，这显著提高了用户体验及用户满意度。还公开一种导航装置，其能够与车辆相集成或通信耦合，使得用户能够 准确估计其可抵达范围，从而为用户的出行带来诸多便利。
附图说明
图1示出本发明第一实施例提供的在地图应用上显示可抵达范围的方法的流程示意图。
图2示出对应于不同当前电量的可抵达范围的示意图。
具体实施方式
在以下描述中提出具体细节，以便提供对本发明的透彻理解。然而，本领域的技术人员将清楚地知道，即使没有这些具体细节也可实施本发明的实施例。在本发明中，可进行具体的数字引用，例如“第一元件”、“第二装置”等。但是，具体数字引用不应当被理解为必须服从于其字面顺序，而是应被理解为“第一元件”与“第二元件”不同。
本发明所提出的具体细节只是示范性的，具体细节可以变化，但仍然落入本发明的精神和范围之内。术语“耦合”定义为表示直接连接到组件或者经由另一个组件而间接连接到组件。
以下通过参照附图来描述适于实现本发明的方法、系统和装置的优选实施例。虽然各实施例是针对元件(步骤)的单个组合来描述，但是应理解，本发明包括所公开元件(步骤)的所有可能组合。因此，如果一个实施例包括元件A、B和C，而第二实施例包括元件B和D，则本发明也应被认为包括A、B、C或D的其他剩余组合，即使没有明确公开。
应理解，虽然以下实施例以电动车辆作为示例来进行说明，但是，本申请不限于电动车辆，也能够同样应用于以化学能源或者混合能源 等作为动力源的车辆。
如图1所示，本发明第一实施例提供一种在地图应用上显示可抵达范围的方法，包括以下步骤S10和步骤S20。
步骤S10：获取电动车辆的可行驶里程。
具体地，为获取电动车辆的可行驶里程，可以结合当前电量信息，以及电动车辆的载荷信息，包括承载的货物以及驾驶员的体重、乘员数量与体重等来进行计算。在具体实现时，执行计算的单元可以与电动车辆的电池管理模块相耦合，以获取当前电量信息，以及，与设置于电动车辆端的一个或多个电子秤相耦合，以获取乘员体重和/或货物重量信息。
为了更准确地估计可行驶里程，将驾驶员的驾驶行为数据考虑在内。具体来说，驾驶行为数据可以包括驾驶员偏好的速度信息、加速度信息以及制动频率信息，这些数据或信息应是个性化的。换言之，因为不同的驾驶员偏好于不同的速度信息、加速度信息以及制动频率信息，他们也将具有不同的个性化数据。将特定的速度信息、加速度信息以及制动频率信息用于衡量相应驾驶员的惯常驾驶行为，进而用来估计电动车辆的可行驶里程，将使得所估计的可行驶里程对该驾驶员而言更准确，这能够显著提高用户体验及用户满意度。
驾驶行为数据可以通过在电动车辆进行较长时间的统计分析而生成，也可以由云端服务器定期获取电动车辆的行驶信息，进而进行统计分析。
优选情况下，速度信息、加速度信息以及制动频率信息分别关联 于不同的路段信息。也就是说，在不同的路段，每个驾驶员可能会偏好于不同甚至相差很大的速度、加速度和制动频率。可以理解，在上坡路段、下坡路段、学校附近路段或空旷路段，驾驶员必然会选择不同的行驶速度、加速度以及所采用的制动次数(频率)，进而，也将使电动车辆消耗不同的电量。将这些驾驶行为数据与不同的路段信息相关联，将进一步提高对可行驶里程估计的准确性。
步骤S20：基于可行驶里程在地图应用上动态地显示关联于电动车辆的当前位置的可抵达范围。
可抵达范围基于可行驶里程来确定，而可行驶里程又是部分基于电动车辆的当前电量来计算。因而，能够建立可抵达范围与当前电量之间的对应关系。图2示出在理想情况下、未考虑载荷信息和驾驶员的驾驶行为数据时，对应于不同电量状态A、B、C(当前电量分别为100％,50％,5％)的可抵达范围的示意图。
具体来说，在当前位置的标识的周围，以可行驶里程为半径的圆形示出可抵达范围。如图2所示，可抵达范围与地图叠加显示为圆形，在电量状态为A时，圆形面积最大(对应于最大的可抵达范围)，在电量状态为B时，圆形面积减小，在电量状态为C时，圆形面积最小(对应于最小的可抵达范围)。而随着电动车辆的当前电量的变化，可抵达范围也将动态地进行更新。优选情况下，在当前位置的标识与所示圆形的周边之间延伸一条或多条指引线，在指引线上标注出可行驶里程的数值和/或车辆的能量水平。例如，在地图上可以显示出可行驶里程的具体数值，如图2所示。
同时，在地图上也显示电动车辆的目的地，通过直观地观测目的地与当前位置(如图2中黑色圆点所示)之间的距离以及可抵达范围，用户能够直接知晓当前电量是否足以使电动车辆抵达目的地。例如，作为示例，当目的地位于可抵达范围之内时，目的地以绿色标识示出，而当目的地位于可抵达范围之外时，以红色标识示出。
更具体来说，可抵达范围可以响应于用户对触摸屏的触摸手势而进行缩放，以分别显示地图概览或地图细节。可抵达范围的缩放与地图的缩放将按照相同的缩放比例同步进行。
作为进一步的改进，可抵达范围将基于道路信息来生成。由于城市道路是固定的，而不是沿从当前位置出发的任何径向方向，以同样电量在不同方向上将会行驶不同的(距当前位置，即出发位置)直线距离。因而，可以理解，可抵达范围将不再呈现图2所示的圆形，而是可能为椭圆、菱形以及任何其他可能的不规则形状。
作为另一种改进，可抵达范围包括多个以不同颜色(或不同线条、不同对比度等)示出的区域，例如，绿色的第一区域和橙色的第二区域；其中，第一区域表示为车辆的能量水平支持车辆以第一工作条件行驶的区域，第二区域表示为车辆的能量水平支持车辆以第二工作条件行驶的区域，并且第一工作条件不同于第二工作条件。
作为一种示例，第一工作条件能够表示乐观工作条件(例如，载荷为最小、路况为最佳、制动次数为零)，而第二工作条件可表示恶劣工作条件(例如，载荷为最大、路况为最差、制动次数为每公里5次制动)。
作为另一示例，第一区域为当前电量支持电动车辆以第一(较高)速度行驶的区域，通常呈近似圆形，第二区域为当前电量支持电动车辆以第二(较低)速度行驶的区域，通常呈近似环形。通过以不同颜色示出的区域，驾驶员能够明白，在第一区域内，电池电量充足，电动车辆能够高速行驶，而在第二区域，为了适当节省电量，电动车辆可以低速行驶，以确保能够抵达目的地。
在本发明的一些实施例中，地图应用安装于用户所持智能终端(例如智能手机)上。在另一些实施例中，地图应用安装于电动车辆端，并在电动车辆所配备的触摸屏上显示。
本发明第二实施例提供一种导航装置，该导航装置至少包括第一计算单元和第二显示单元，以及可选的信息获取单元。
其中，第一计算单元用于获取车辆的可行驶里程，第二显示单元将基于可行驶里程在地图应用上动态地显示关联于车辆的当前位置的可抵达范围。
根据包括信息获取单元的一种改进实施例，信息获取单元与云端服务器通信耦合，以获取驾驶员的驾驶行为数据。作为更具体的示例，车辆为电动车辆，第一计算单元与信息获取单元通信耦合，以基于电动车辆的当前电量、载荷信息和驾驶行为数据来计算电动车辆的可行驶里程。第二显示单元与第一计算单元通信耦合，以基于可行驶里程在地图应用上动态地显示关联于电动车辆的当前位置的可抵达范围。
作为进一步的改进，第二显示单元基于道路信息和可行驶里程而动态地显示可抵达范围。此外，可抵达范围可能为椭圆、菱形以及任 何其他可能的不规则形状。
其中，作为示例，驾驶行为数据包括驾驶员偏好的速度信息、加速度信息和/或制动频率信息。优选情况下，将这些驾驶行为数据与不同的路段信息相关联，有利于提高对可行驶里程估计的准确性。
除了以上功能以外，导航装置还基于可抵达范围而向驾驶员推荐行驶路线，这可以以节省电量、或行驶最短距离为主要目标。该导航装置可以集成于电动车辆上。作为备选方式，导航装置由驾驶员随身携带，与电动车辆通信耦合，以从电动车辆端获取当前电量信息。
上述导航装置能够与电动车辆相集成或通信耦合，为用户的出行带来诸多便利。
在本发明的一些实施例中，装置的至少一部分可采用通信网络所连接的一组分布式计算单元来实现，或，基于“云”来实现。在这种系统中，多个计算单元共同操作，以通过使用其共享资源来提供服务。
基于“云”的实现可提供一个或多个优点，包括：开放性、灵活性和可扩展性、可中心管理、可靠性、可缩放性、对计算资源所优化、具有聚合和分析跨多个用户的信息的能力、跨多个地理区域进行连接、以及将多个移动或数据网络运营商用于网络连通性的能力。
本发明第三实施例提供一种计算机可读存储介质，其上存储有计算机可执行指令，这些计算机可执行指令在由处理器执行时，将实现以上第一实施例或其任何改进方式所提供的方法。
上述说明仅针对于本发明的优选实施例，并不在于限制本发明的保护范围。本领域技术人员可能作出各种变形设计，而不脱离本发明的思 想及附随的权利要求。

Claims (12)

  1. 一种显示车辆的可抵达范围的方法，包括：
    获取车辆的可行驶里程；
    获取车辆的当前位置；
    基于所述可行驶里程在地图应用上动态地显示关联于所述当前位置的可抵达范围。
  2. 根据权利要求1所述的方法，其特征在于，所述可抵达范围基于道路信息来生成。
  3. 根据权利要求1所述的方法，其特征在于，所述可抵达范围包括第一区域和第二区域；其中，所述第一区域为车辆的能量水平支持所述车辆以第一工作条件行驶的区域，所述第二区域为所述车辆的能量水平支持所述车辆以第二工作条件行驶的区域，其中所述第一工作条件不同于所述第二工作条件。
  4. 根据权利要求1所述的方法，其特征在于，动态地显示关联于所述当前位置的可抵达范围包括：
    在所述当前位置的标识的周围以所述可行驶里程为半径的圆形示出所述可抵达范围。
  5. 根据权利要求4所述的方法，其特征在于，所述方法还包括：
    在所述当前位置的标识与所述圆形的周边之间延伸指引线，在所述指引线上标注出所述可行驶里程的数值和/或能量水平。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述可抵达范围响应于用户的触摸手势而进行缩放，以显示地图细节和/或地图概览。
  7. 根据权利要求1所述的方法，其特征在于，所述车辆为电动车辆，所述可行驶里程是基于所述电动车辆的当前电量、载荷信息和驾驶员的驾驶行为数据来计算。
  8. 根据权利要求7所述的方法，其特征在于，所述驾驶行为数据包括驾驶员偏好的速度信息、加速度信息和/或制动频率信息。
  9. 根据权利要求8所述的方法，其特征在于，所述速度信息、加速度信息以及制动频率信息分别关联于不同路段信息。
  10. 一种导航装置，包括：
    第一计算单元，用于获取车辆的可行驶里程；以及
    第二显示单元，其基于所述可行驶里程在地图应用上动态地显示关联于所述车辆的当前位置的可抵达范围。
  11. 根据权利要求10所述的导航装置，其特征在于，所述车辆为电动车辆，所述第一计算单元基于所述电动车辆的当前电量、载荷信息和驾驶员的驾驶行为数据来计算所述可行驶里程，所述第二显示单元基于道路信息和所述可行驶里程而动态地显示所述可抵达范围。
  12. 根据权利要求11所述的导航装置，其特征在于，所述导航装置还包括信息获取单元，以用于从云端服务器获取所述驾驶行为数据并提供至所述第一计算单元，其中，所述驾驶行为数据包括驾驶员偏好的速度信息、加速度信息和/或制动频率信息。
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