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Hybrid power driving system, vehicle and working process of supercapacitor

A supercapacitor and drive system technology, applied in the field of vehicles, can solve the problems of poor fuel economy, high energy consumption, and large emissions of the engine, and achieve the effects of long service life, fast charging and discharging, and high economic benefits

Inactive Publication Date: 2017-06-20
AEROSPACE HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is estimated that the average load rate of the electric wheel mining truck engine is about 40%. Especially when idling and waiting, all the energy emitted by the engine is consumed on mechanical losses, and the efficiency is zero. Poor economy, low efficiency, high energy consumption and large emissions

Method used

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  • Hybrid power driving system, vehicle and working process of supercapacitor
  • Hybrid power driving system, vehicle and working process of supercapacitor
  • Hybrid power driving system, vehicle and working process of supercapacitor

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Embodiment Construction

[0019] Such as figure 1 As shown, the hybrid drive system in the present invention includes a generator 1 and a supercapacitor 3, the power source of the generator 1 is a gas engine, and the generator 1 passes through the rectifier unit 2 and the input end of the motor controller 5 connected, the output end of the motor controller 5 is connected to the traction motor 6, and the supercapacitor 3 is connected in parallel between the rectification unit 2 and the motor controller 5 through the bidirectional DC-DC converter 4, and the rectification unit 2 and the motor A braking resistor unit 7 is also connected in parallel between the controllers 5 .

[0020] In the hybrid drive system of the present invention, a filter capacitor 8 is connected in parallel between the rectification unit 2 and the motor controller 5 .

[0021] In the vehicle of the present invention, the vehicle is equipped with the above-mentioned hybrid drive system.

[0022] In this embodiment, on the basis of...

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PUM

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Abstract

The invention discloses a hybrid power driving system comprising a generator (1) and a supercapacitor (3). A fuel gas engine serves as a power source of the generator. The generator is connected with the input end of a motor controller (5) through a rectification unit (2). The output end of the motor controller is connected with a traction motor (6). The supercapacitor is in parallel connection between the rectification unit and the motor controller through a bi-directional DC / DC convertor (4). A brake resistance unit (7) is further in parallel connection between the rectification unit and the motor controller. According to the system, fuel gas and capacitance hybrid power driving can be achieved simply and economically to obtain the optimal economic benefit. The invention further discloses a vehicle using the hybrid power driving system and a working process of the supercapacitor in the system.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to a gas engine and supercapacitor hybrid drive control technology. Background technique [0002] Electric drive mining dump trucks are the main transportation equipment for large-scale open-pit mines. During actual use, mining dump trucks may cause diesel engine damage in working conditions such as no-load, heavy-load flat land cruising, downhill, deceleration braking, loading and unloading, and idling waiting. The load rate often works in low load conditions. It is estimated that the average load rate of the electric wheel mine truck engine is about 40%, especially when idling and waiting, all the energy emitted by the engine is consumed on mechanical losses, and the efficiency is zero, which objectively causes the engine fuel consumption of the mine dump truck to be reduced. Poor economy, low efficiency, high energy consumption and large emissions. However, with the increasingly serious...

Claims

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Application Information

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IPC IPC(8): B60K6/24B60K6/28B60K6/40B60W20/10B60W20/20B60W10/06B60W10/08B60W10/26
CPCB60K6/24B60K6/28B60K6/40B60W10/06B60W10/08B60W10/26B60W20/10B60W20/20B60W2510/0666B60W2510/085B60W2510/242B60W2710/0677B60W2710/086B60W2710/242Y02T10/62
Inventor 赵正飞方雷徐代友何适
Owner AEROSPACE HEAVY IND
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