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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

Active Publication Date: 2014-10-15
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, compared with conventional air conditioners such as multi-unit air conditioners for buildings that perform cooling and heating operations by sending refrigerant to the indoor units, the power consumption is large and the energy saving performance is poor.

Method used

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Examples

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Embodiment Construction

[0032] Hereinafter, embodiments of the present invention will be described based on the drawings. figure 1 It is an overall view of the air conditioner according to the embodiment of the present invention, and is a system configuration diagram when a plurality of indoor units are connected. Here, the heat source machine (or outdoor unit) 1 and the indoor unit 3 are connected via one main relay unit 2a and a plurality of sub relay units 2b-1 and 2b-2. In addition, below, the sub-relay units 2b-1 and 2b-2 are also simply referred to as the relay unit 2b. The main relay unit 2 a is installed in a common space of a building such as a building or in a ceiling, and is connected to the outdoor unit 1 using a refrigerant pipe 4 . In addition, for example, a plurality of sub-relay units 2b-1 and 2b-2 are installed in a common space of a building such as a building or in a space such as a ceiling, and the plurality of sub-relay units 2b-1 and 2b-2 are connected using refrigerant piping...

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PUM

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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.

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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B1/00F24F5/00F25B29/00
CPCF25B2313/0231F25B13/00F25B2313/007F25B25/005F25B2313/0272F24F3/065F25B2313/02732F25B2313/006F25B2313/003F25B2313/02743F25B2400/23
Inventor 本村祐治山下浩司森本裕之若本慎一竹中直史
Owner MITSUBISHI ELECTRIC CORP
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