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Intelligent dual-driving-force assembly for battery electric vehicle and control method of intelligent dual-driving-force assembly for battery electric vehicle

A pure electric vehicle and driving force technology, applied in electric vehicles, vehicle energy storage, electric traction, etc., can solve the problems of low energy storage in batteries, no economic scale, and high purchase price, so as to reduce on-board load and improve Endurance ability, the effect of preventing personal injury

Inactive Publication Date: 2012-07-11
苏州瑞佳新能源动力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current electric vehicles also have the following problems: the energy stored in the battery is too little, the cruising range is short, and because the battery of the electric vehicle is more expensive and has not formed an economic scale, the purchase price is relatively expensive

Method used

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  • Intelligent dual-driving-force assembly for battery electric vehicle and control method of intelligent dual-driving-force assembly for battery electric vehicle
  • Intelligent dual-driving-force assembly for battery electric vehicle and control method of intelligent dual-driving-force assembly for battery electric vehicle

Examples

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Embodiment

[0015] Example: such as figure 1 The pure electric vehicle intelligent dual-drive power assembly shown includes low-voltage power supply group A, power supply group B, circuit controller, drive motor A, drive motor B and high-power energy feedback generator, drive motor A and drive motor B The centrifugal one-way clutch and the dual-drive electromechanical coupling gearbox are connected to the transmission pump, the transmission shaft is connected to the energy feedback generator through the dual-drive electromechanical coupling gearbox, and the circuit controller is connected to the power group A, power group B, drive The motor A is connected with the drive motor B and the energy feedback generator. The working voltage of the driving motor in this embodiment: DC 48-60V, rated speed 4000 / rcm, the power pack is a low-voltage lead-acid maintenance-free battery or lithium iron phosphate battery 12V-80AH×5, the specifications of the centrifugal one-way clutch Centrifugal force...

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Abstract

The invention discloses an intelligent dual-driving-force assembly for a battery electric vehicle, which is characterized by comprising a first low-voltage battery pack, a second battery pack, a circuit controller, a first motor, a second motor and an energy feedback generator. The first motor and the second motor are connected with a transmission shaft through a centrifugal one-way clutch and a dual-drive electromechanical coupling gearbox, the transmission shaft is connected with the energy feedback generator through the dual-drive electromechanical coupling gearbox, and the circuit controller is respectively connected with the first battery pack, the second battery pack, the first motor, the second motor and the energy feedback generator. The intelligent dual-driving-force assembly effectively solves the problem that presently, domestic and abroad battery electric vehicles depending on high-voltage, high-current and high-price lithium iron phosphate battery packs cause high cost of the battery electric vehicles. Further, endurance of the vehicle is improved, and energy utilization efficiency is improved.

Description

technical field [0001] The invention belongs to the field of electric vehicles, and in particular relates to an intelligent dual-drive power assembly of a pure electric vehicle and a control method thereof. Background technique [0002] Pure electric vehicles are vehicles powered entirely by rechargeable batteries such as lead-acid, nickel-cadmium, nickel-metal hydride or lithium-ion batteries. Electric vehicles are composed of six parts: chassis, body, battery pack, motor, controller and auxiliary facility battery. Due to the good traction characteristics of the electric motor, the transmission system of the battery car does not need a clutch and a transmission. Vehicle speed control can be realized by changing the speed of the motor through the speed regulating system by the controller. Pure electric vehicles have the following advantages: 1. No pollution, low noise, electric vehicles have no exhaust gas generated by internal combustion engine vehicles, and do not produc...

Claims

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Application Information

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IPC IPC(8): B60K17/12B60L11/18
CPCY02T10/92Y02T10/7005Y02T10/70
Inventor 张永
Owner 苏州瑞佳新能源动力科技有限公司
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