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Method and system for switching from a first power supply path to a second power supply path

一种供电路径、供电电压的技术，应用在车辆领域，能够解决燃料消费、总排放量高、影响车辆拥有者盈利能力等问题，达到降低摇晃/晃动的效果

Active Publication Date: 2017-09-08
SCANIA CV AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The utilization of heavy vehicles is often high and the associated fuel consumption, overall emissions can be high and the cost of fuel can greatly affect the profitability of the vehicle owner

Method used

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  • Method and system for switching from a first power supply path to a second power supply path
  • Method and system for switching from a first power supply path to a second power supply path
  • Method and system for switching from a first power supply path to a second power supply path

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Embodiment Construction

[0028] Hereinafter, the present invention will take a parallel hybrid vehicle as an example. However, the present invention is applicable to any hybrid electric vehicle that performs power source switching. For example, the present invention is applicable to parallel hybrid vehicles and series hybrid vehicles. Furthermore, the invention is suitable, for example, for power path switching in hybrid vehicles with a plurality of electric machines, wherein the electric machines can be interconnected, for example, directly and / or by means of transmission elements such as planetary gears. The invention is applicable to any electrified hybrid vehicle having one or more planetary gears, and also applies to power-split hybrid vehicles and series-parallel hybrid vehicles. The invention is also applicable to electrified vehicles.

[0029] Figure 1A A powertrain of an exemplary highway powered electrified vehicle 100 is schematically shown. Figure 1A The vehicle 100 in is a parallel hy...

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Abstract

The present invention relates to a method for switching power supply path of at least one electrical machine, said electrical machine being arranged to be selectively power supplied by a first power supply path and a second power supply path, respectively, by alternately opening and closing said power supply paths, said first and second power supply paths being arranged to connect a power supply source to a first connection terminal means of said electrical machine. The method includes, when switching from said first power supply path to said second power supply path: - opening said first power supply path; - by means of said electrical machine, controlling a terminal voltage of said first connection terminal means to substantially a power supply voltage of said second power supply path, and; - closing said second power supply path.

Description

technical field [0001] The present invention relates to vehicles, and in particular to methods and systems for switching power supply paths of electric vehicles. The invention also relates to a vehicle as well as a computer program and a computer program product implementing the method according to the invention. Background technique [0002] With regard to vehicles in general, and at least to some extent with respect to heavy / commercial vehicles (eg, trucks, buses, etc.), there is ongoing research and development into improving fuel efficiency and reducing exhaust emissions. [0003] This is often attributable, at least in part, to government concerns about pollution and air quality (eg, in urban areas), and has resulted in the adoption of different emission standards in many jurisdictions. [0004] In addition to government concerns, one of the major costs associated with vehicle operation is the consumption of fuel used to propel the vehicle. The utilization of heavy ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00B60K6/22B60K28/10B60L5/18B60L50/16
CPCB60L5/00B60K6/28B60K6/48B60K2006/4825B60L3/0069B60L15/2045B60L2240/423B60L2200/18B60L2200/26B60L2200/36B60L2210/10B60L2210/40B60L2240/12B60L2240/421B60L2240/427B60L2260/26Y02T10/70B60L50/53B60L50/16B60W10/08B60L5/18Y02T10/62Y02T10/64Y02T10/72Y02T10/7072B60L3/0061B60L3/0092B60Y2200/91B60Y2200/92B60K6/22B60K28/10B60L3/00B60L1/003B60L2210/14B60W10/26
Inventor M·比约克曼N·彼得松
Owner SCANIA CV AB
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