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Range extender for new energy automobile and control method thereof

A new energy vehicle and control method technology, applied in the field of range extender and control for new energy vehicles, can solve the problems of limited distribution of charging piles, failure of emergency response, battery damage, etc., to reduce the risk of low temperature discharge failure and avoid high current The effect of discharging and improving the service life

Pending Publication Date: 2019-12-13
无锡市凯跃新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the charging of new energy electric vehicles is mainly carried out by charging piles, which have defects: first, the battery life is limited, and charging is troublesome; second, the distribution of charging piles is limited, and in special cases, it is necessary to increase the journey, but the battery life is not enough and it is difficult to replenish ; The third is that the battery cannot be used in an emergency after the battery is damaged.

Method used

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  • Range extender for new energy automobile and control method thereof
  • Range extender for new energy automobile and control method thereof
  • Range extender for new energy automobile and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1: a kind of range extender for new energy vehicles, such as figure 1 As shown, the control system of the power generation unit, heater water pump, heater fan and range extender.

[0041] Such as figure 2 As shown, the power generation unit includes an engine, a fuel system and a permanent magnet synchronous generator. The drive shaft of the engine is connected to the permanent magnet synchronous generator, and the permanent magnet synchronous generator is externally connected to the vehicle's own battery pack and connected to the motor of the vehicle in parallel.

[0042] Such as image 3 As shown, the heater is arranged in the vehicle compartment, and a plurality of air outlets are arranged in the vehicle compartment. The warm air water pump is connected with the heater to supply heat to the heater, and the water cooled by the heater is passed into the engine, which is heated by the heat generated by the engine. The heater is connected to the central co...

Embodiment 2

[0047] Embodiment 2: a kind of above-mentioned range extender control method, such as Figure 1-4 As shown, the generating power demand module receives the energy demand of the vehicle, and obtains the output electric power demand value of the range extender system through conversion calculation; and inputs the output electric power demand value of the range extender system to the state management module and the engine output power demand module.

[0048]The state management module determines the current working state of the range extender according to the input signal of the range extender control system, the vehicle control request signal and the output electric power demand of the range extender system; and inputs the working state of the range extender to the engine control module and the generator control module . The state management module also includes the battery active balancing sub-module. When the permanent magnet synchronous generator is charging the battery pack,...

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Abstract

The invention discloses a range extender for a new energy automobile, belongs to the technical field of new energy automobiles, and aims to provide the range extender capable of prolonging the travelof the new energy automobile. The technical scheme is characterized by comprising a power generation unit and a range extender control system, the power generation unit comprises an engine, a fuel system and a permanent magnet synchronous generator; a driving shaft of the engine is connected with the permanent magnet synchronous generator; the permanent magnet synchronous generator is externally connected with a battery pack of a vehicle and is connected with a motor of the vehicle in parallel. The range extender solves the problems that the endurance capacity of an original new energy automobile battery is limited, the charging is troublesome, the distribution of the charging pile is limited, the stroke needs to be increased in special circumstances while the battery life is not enough tosupplement and emergency response cannot be realized after the battery is damaged, and the like. The range extender for the new energy automobile and the control method thereof disclose a control method of the range extender, and belong to the technical field of the new energy automobiles.

Description

technical field [0001] The invention relates to the technical field of new energy vehicles, in particular to a range extender and a control method for new energy vehicles. Background technique [0002] With the development of economy and technology and the continuous innovation of technology, the development of new energy electric vehicles has been highly valued by governments at all levels and has developed rapidly. [0003] At present, the charging of new energy electric vehicles is mainly carried out by charging piles, which have defects: first, the battery life is limited, and charging is troublesome; second, the distribution of charging piles is limited, and in special cases, it is necessary to increase the journey, but the battery life is not enough and it is difficult to replenish ; The third is that after the battery is damaged, it cannot be used in an emergency. Contents of the invention [0004] The first object of the present invention is to provide a range ext...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L50/61B60L50/62B60L58/22B60H1/04B60H1/00
CPCB60L50/61B60L50/62B60L58/22B60H1/04B60H1/004Y02T10/62Y02T10/70
Inventor 陆祖荣杨继勇
Owner 无锡市凯跃新能源科技有限公司
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