Air conditioner

An air-conditioning device and throttling device technology, which is applied in air-conditioning systems, space heating and ventilation, heating methods, etc., can solve the problems of large power consumption and poor energy saving, and achieve the reduction of transmission power, shortening of transmission distance, and reduction of power consumption. Effect
CN102597656BActive Publication Date: 2014-10-15MITSUBISHI ELECTRIC CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
MITSUBISHI ELECTRIC CORP
Publication Date
2014-10-15

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Abstract

The invention provides an air conditioner, comprising an outdoor unit (1), a plurality of indoor units (3) and a transfer unit, the outdoor unit (1) comprising a compressor (10) for compressing refrigerant and a compressor (10) between the refrigerant and the air A heat source side heat exchanger (12) for heat exchange; the plurality of indoor units (3) have a utilization side heat exchanger for circulating a heat medium and performing heat exchange between the heat medium and air; the transfer unit is between Between the outdoor unit (1) and the indoor unit (3), heat exchange is performed between the refrigerant delivered from the outdoor unit (1) and the heat medium flowing through the indoor unit. The main relay unit (2a) connected to the unit (1) and the sub relay unit (2a-1) connected to the main relay unit (2a) by 3 pipes are composed.
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Description

technical field

[0001] The present invention relates to an air conditioner used, for example, in a multi-unit air conditioner for a building, which efficiently supplies high temperature heat, low temperature heat, or both of the high temperature heat and the low temperature heat generated by a heat source unit to a plurality of loads. Background technique

[0002] Conventional air conditioners such as multi-air conditioners for buildings use a heat source such as an outdoor unit placed outdoors to compress and heat or decompress and cool, for example, HFC (hydrofluorocarbon)-based refrigerants. Then, the refrigerant is sent to the indoor unit connected to the outdoor unit and placed indoors through the extension pipe, and the indoor unit performs heat exchange with the indoor air, and the cooling operation is performed by the refrigerant absorbing heat, and the cooling operation is performed by the refrigerant releasing heat. Heating is running.

[0003] In addition, there ...

Claims

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