Hybrid power bus, double-compressor air-conditioning system and refrigeration control method of double-compressor air-conditioning system

An air-conditioning system and dual-compressor technology, applied to vehicle parts, transportation and packaging, air handling equipment, etc., can solve the problems of poor engine fuel economy and achieve the effect of improving fuel economy

Active Publication Date: 2013-11-13
ZHENGZHOU YUTONG BUS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a dual-compressor air-conditioning system control method for hybrid passenger cars to solve the problem that the engine drives the air-conditioning system to work so that the fuel economy of the engine is poor in existing vehicles

Method used

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  • Hybrid power bus, double-compressor air-conditioning system and refrigeration control method of double-compressor air-conditioning system
  • Hybrid power bus, double-compressor air-conditioning system and refrigeration control method of double-compressor air-conditioning system
  • Hybrid power bus, double-compressor air-conditioning system and refrigeration control method of double-compressor air-conditioning system

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[0019] The present invention will be further described in detail below in conjunction with the drawings.

[0020] Control method embodiment:

[0021] The control method of the present invention includes the following steps:

[0022] The control method of the present invention drives the mechanical air conditioner compressor by the engine, and the electric air conditioner compressor by the power battery pack, which specifically includes the following steps:

[0023] (1) If the temperature in the car is lower than the air conditioner temperature set by the driver, neither the mechanical air conditioner compressor nor the electric air conditioner compressor will work;

[0024] (2) If the temperature in the vehicle is higher than the air-conditioning temperature set by the driver and higher than the temperature at which the two compressors work at full load, the two compressors will work simultaneously;

[0025] (3) If the temperature in the car is higher than the air conditioner temperature se

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Abstract

The invention relates to a hybrid power bus, a double-compressor air-conditioning system and a refrigeration control method of the double-compressor air-conditioning system. The air-conditioning system comprises a mechanical air condition compressor and an electric air condition compressor, wherein the mechanical air condition compressor is driven by an engine, the electric air condition compressor is driven by a power battery pack, an air condition ECU is in control connection with the two compressors, a vehicle control unit is in control connection with the air condition ECU and sends out a control instruction to the air condition ECU through acquiring actual temperature in the bus, the working state of the engine and the information of the battery pack according to the air condition temperature set by a driver, and the air condition ECU sends out control signals to the two compressors for controlling the work of the compressors. The problem that the fuel economy of the engine is poor due to the fact that the engine is used for driving the air-conditioning system to work in the existing vehicle is solved.

Description

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Claims

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Application Information

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Owner ZHENGZHOU YUTONG BUS CO LTD
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