Dual-air-compressor system and control method for hybrid power vehicle

A technology of hybrid electric vehicles and air compressors, which is applied in the direction of machines/engines, mechanical equipment, liquid variable capacity machinery, etc. It can solve the problems that it is difficult to ensure sufficient air supply for vehicles, achieve seamless switching and ensure safety.

Inactive Publication Date: 2015-05-06
ZHENGZHOU YUTONG BUS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a dual-air compressor system and control method for hybrid electric vehicles, so as

Method used

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  • Dual-air-compressor system and control method for hybrid power vehicle
  • Dual-air-compressor system and control method for hybrid power vehicle

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[0021] The specific embodiments of the present invention will be further described below in conjunction with the drawings.

[0022] An embodiment of a dual air compressor system for a hybrid vehicle of the present invention

[0023] Such as figure 1 As shown, the dual air compressor system for a hybrid vehicle of the present invention includes a power supply 1, an electric air compressor motor controller 2, a pressure sensor 3, an electric air compressor motor 4, an electric air compressor 5, an air reservoir 6, and air Compressor 7 and engine 8, power supply 1 and electric air compressor motor controller 2 are connected through high-voltage power lines to provide power for electric air compressor motor controller 2, electric air compressor motor controller 2 and electric air compressor The motor 4 is connected by a three-phase line, the electric air compressor motor 4 and the electric air compressor 5 are mechanically connected, the electric air compressor 5 and the air reservoir ...

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Abstract

The invention relates to a dual-air-compressor system and a control method for a hybrid power vehicle, and belongs to the technical field of hybrid power vehicles. According to the dual-air-compressor system and the control method, when an engine works, an air compressor of the engine inflates to supply an air source to the overall vehicle; when the engine stops at an idle speed and when the pressure of an air cylinder is lower than the lower limit value of the air pressure required by the vehicle, an electric air compressor works to supply the air source to the overall vehicle; when the pressure of the air cylinder is higher than the upper limit value of the air pressure required by the vehicle, an electric air compressor controller stops outputting; during the process, if the engine starts to work, then the electric air compressor controller stops outputting. According to the dual-air-compressor system and the control method, seamless switching can be realized and the safety of the vehicle can be guaranteed when any air source of the electric air compressor or the air compressor of the engine fails.

Description

technical field [0001] The invention relates to a hybrid electric vehicle dual air compressor system and a control method, belonging to the technical field of hybrid electric vehicles. Background technique [0002] At present, most of the air compressors for hybrid buses on the market use the built-in air compressor of the engine. In order to realize the function of idling shutdown, the judging condition of idling shutdown has increased the air pressure judgment, that is, if the vehicle air pressure is less than 6bar, even if the vehicle meets the idle speed In the shutdown condition, the engine must also be forced to work to meet the air source demand of the vehicle. Due to the forced work of the engine, the fuel consumption of the vehicle will increase. In addition, most hybrid buses with pure electric mode use a single electric air compressor mode, and the vehicle uses an electric air compressor to provide air in any mode, resulting in an increase in battery capacity and ...

Claims

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Application Information

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IPC IPC(8): F04B41/06F04B41/02
Inventor 高云庆胡叶亮陈万银胡伟韩冰左利锋
Owner ZHENGZHOU YUTONG BUS CO LTD
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