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Control Method of Extended Range Drive System

A technology of a drive system and a control method, which is applied to the arrangement of multiple different prime movers of general power units, motor vehicles, power units, etc. The effect of solving the shortage of layout space, improving charging efficiency and cruising range, and reducing costs

Active Publication Date: 2021-12-24
SHANGHAI AUTOMOBILE GEAR WORKS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the defects of the prior art that the layout size is large and the efficiency and NVH performance are reduced due to the complex mechanical structure, and proposes a control method for the extended-range drive system, which improves the charging efficiency of the entire vehicle and increases the cruising range of the entire vehicle

Method used

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  • Control Method of Extended Range Drive System
  • Control Method of Extended Range Drive System
  • Control Method of Extended Range Drive System

Examples

Experimental program
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Embodiment Construction

[0022] The range-extending driving system of this embodiment includes: a controller, a vehicle condition sensor, a driving device and a power generating device, wherein the controller is connected to the vehicle condition sensor, the driving device and the generating device respectively.

[0023] Such as figure 1 As shown, the power generating device includes: an engine 1, a speed increasing mechanism 16 and a generator 7, wherein: the engine 1 is connected to the speed increasing mechanism through a clutch 2, and the first output shaft 5 of the speed increasing mechanism 16 is connected to the generator 7 .

[0024] Described speed-up mechanism 16 comprises: the first input shaft 4 with the first driving gear 3 and the first output shaft 5 with the first driven gear 6, wherein: the first driving gear 3 and the first driven gear The gears 6 mesh with each other.

[0025] Such as figure 2 As shown, the drive device includes: a reduction mechanism 17 and a drive motor 8 , wh...

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Abstract

A control method for a range-extended drive system, which pre-calculates the torque required by the controller and determines the output parameters of the vehicle controller, and the vehicle controller determines the most suitable working condition of the vehicle through the real-time vehicle condition information collected by the vehicle condition sensor and vehicle attributes mode, and output driving mode commands and driving torque commands to the drive device and power generation device, so that the working condition of the extended-range drive system can be optimized; the working modes include: pure electric driving mode, driving charging mode and parking Car charging mode. The invention conforms to the latest definition of the extended-range electric vehicle, and adopts two arrangements of the driving device and the power generation device in one and separate arrangements, which effectively solves the problem of insufficient layout space for the entire vehicle, and also reduces the cost of the entire vehicle. A speed-up mechanism is added between the engine and the generator, and the charging efficiency and cruising range of the vehicle are improved through the controller.

Description

technical field [0001] The invention relates to a technology in the field of electric vehicles, in particular to a control method for an extended-range drive system. Background technique [0002] As an important means of transportation that meets environmental and energy requirements, new energy vehicles are increasingly valued by countries all over the world. At present, most of the domestic new energy extended-range electric vehicle drive systems are modified on the traditional automatic transmission. Both the drive motor and the generator motor are equipped with corresponding gearboxes, which have high cost, large layout size, and efficiency and NVH performance caused by complex mechanical structures. issues such as reduction. In addition, the engine power source of most extended-range electric motors is connected to the wheels, which can directly participate in the driving of the whole vehicle, which does not meet the latest definition of extended-range electric vehicle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K6/40B60L50/62B60W20/10B60W20/20
CPCB60K6/40B60L50/62B60W20/10B60W20/20Y02T10/62Y02T10/70
Inventor 柴旭郑闽皖钟辰宇钱骏叶佳全
Owner SHANGHAI AUTOMOBILE GEAR WORKS
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