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AssigneesQingdao Haier Air-conditioning Electronic Co., Ltd, Haier Smart Home Co., Ltd.
InventorsTao Ren, Qiang Song, Yinyin Li, Jingsheng Liu, Bing Wang
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A multi-split air-conditioning system, and a method for calculating a heat exchange capacity thereof. The method includes: acquiring a total heat exchange capacity of a multi-split air-conditioning system; acquiring a pressure difference between two pressure measurement points on each air pipe; acquiring the distance between the two pressure measurement points on each air pipe; acquiring the pipe diameter of each air pipe; acquiring the friction factor of each air pipe; acquiring the density of a heat exchange medium in each air pipe; and according to the total heat exchange capacity of the multi-split air-conditioning system, the pressure difference and distance between the two pressure measurement points on each air pipe, the pipe diameter and friction factor of each air pipe, and the density of the heat exchange medium in each air pipe, calculating a heat exchange capacity of each indoor unit.
A method for calculating a heat exchange amount of a multi-connected air conditioning system, wherein the multi-connected air conditioning system comprises a plurality of indoor units each having an air pipe and a controller, wherein the air pipe is provided with a pressure difference sensor consisting of two pressure sensors which are respectively arranged at two pressure measurement points, and the air pipe of each of the indoor units is also provided with a gas density meter;
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