Independent thermal source heated air conditioner system of engineering machinery vehicle

A technology for construction machinery and vehicle air conditioning, which is applied to vehicle components, air handling equipment, heating/cooling equipment, etc., which can solve the problems of engine overcooling, insufficient heat of engine cooling water, unstable heat production, etc., and achieve high heat production efficiency Effect

Active Publication Date: 2009-05-20
江苏创导空调有限公司
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AI Technical Summary

Problems solved by technology

Although this heating method of waste water heating is energy-saving, due to the influence of the host engine's working conditions, the heat production is unstable; because the construction machinery is in the idling state most of the time, the heat generated by the engine cooling water is often not enough , especially in the Northeast ...

Method used

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  • Independent thermal source heated air conditioner system of engineering machinery vehicle

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Embodiment Construction

[0010] As shown in the accompanying drawings, the present invention includes two parts of a refrigeration system and a heating system. The dotted frame above is the cooling part, which is mainly composed of a compressor 11 , a condenser 12 , an accumulator 13 , a refrigeration pipeline 14 and an evaporation core 15 connected to the compressor 11 and the accumulator 13 . The dotted line box below is the heating part, mainly composed of motor 1, burner 2, water pump group 3, stop valve 4, expansion tank 5, oil tank 6, return pipe 7, electrical control system 8, heater core 9, blower 10 and so on. The combustion chamber of the burner 2 is connected to the oil tank 6 with a pipeline, and the burner 2 is provided with an outer interlayer cavity 2-1, and the outer interlayer cavity is connected to the expansion tank 5 through the connecting pipeline and the water pump 3 installed on the connecting pipeline. 3. A shut-off valve 4 is installed in the connecting pipeline with the expa...

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Abstract

The invention discloses an engineering machinery vehicle air conditioning system which is heated by an independent heat source. The engineering machinery vehicle air conditioning system belongs to a vehicle air conditioning system. A heating system consists of a burner, a water pump set, an oil supply system stop valve, an expansion tank, an oil tank, a warm air pipe, a warm air blower and a control system. Through the setting and operation of the control system, the heater burns; the antifreezing fluid in the expansion tank enters a combustion chamber of the heater under the action of the water pump set, is heated by fuel and then enters the core body of the warm air blower of the air conditioning system; and heat supply is realized through the heat exchange between the surface of the core body of the warm air blower and the air in the cab (operating room) of the engineering machinery under the action of an air conditioner blower. The engineering machinery vehicle air conditioning system has the advantages that the system has high heat production efficiency, can meet the requirements during the idling of the engineering machinery and during the winter operation in severe cold areas, and can not be limited by the engine status of the engineering machinery.

Description

technical field [0001] The invention relates to an air-conditioning system for engineering machinery vehicles, in particular to an air-conditioning system for engineering machinery vehicles that is heated by an independent heat source. Background technique [0002] At present, the air-conditioning and heating of construction machinery vehicles generally adopts the method of heating waste water from automobile engines, that is, the cooling hot water of construction machinery engines is used to connect to the heat exchanger of the air conditioner through rubber hoses, and the air is forced to flow through the forced convection of the fan. Heat up through the surface of the heater. Although this heating method of waste water heating is energy-saving, due to the influence of the host engine's working conditions, the heat production is unstable; because the construction machinery is in the idling state most of the time, the heat generated by the engine cooling water is often not ...

Claims

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Application Information

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IPC IPC(8): B60H1/22
Inventor 刘兵毛蓓高志金
Owner 江苏创导空调有限公司
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