Air conditioner indoor unit

Abstract

The invention relates to the field of air conditioning, in particular to an air conditioner indoor unit. The air conditioner indoor unit aims to solve the problems that an existing fresh air system islarge in occupied space and high in transformation cost. Therefore, the air conditioner indoor unit comprises a shell body, an air return port, an air outlet and a double-flow type fresh air purification device, wherein the purification device comprises a bidirectional air inlet and outlet pipe, an air inlet system and an air exhausting system, and the bidirectional air inlet and outlet pipe comprises an outer pipe as well as a first inner pipe and a second inner pipe which are arranged in the outer pipe; a heat exchange core is arranged in the outer pipe, the heat exchange core divides the outer pipe into a first part and a second part, and the first inner pipe and the second inner pipe are located on the first part and the second part respectively; and the air inlet system comprises thesecond part of the outer pipe, the heat exchange core, an induced draft fan and the first inner pipe, and the exhausting system comprises the first part of the outer pipe, the heat exchange core, anexhaust fan and the second inner pipe. Through the arrangement, the application of the air conditioner indoor unit can be expanded, so that the functions of purifying air and exchanging fresh air areadded to the air conditioner indoor unit.

Description

technical field [0001] The invention relates to the field of air conditioning, in particular to an air conditioner indoor unit. Background technique [0002] The air pollution report released by the International Energy Agency clearly mentioned that as many as 97% of Chinese people are exposed to the harm of PM2. The cardiopulmonary immunity of people in heavy smog areas has dropped by 10%. In recent years, due to the intensification of air pollution and frequent smog, people cannot often open windows for ventilation. As a result, bacterial particles such as PM2.5 in the indoor air can easily invade the lungs and respiratory tract, causing cough, asthma, pneumonia and even lung cancer. At the same time, it also causes cross-infection among people, which is regarded as the root cause of respiratory epidemics. In addition, people stay in a closed indoor environment for a long time, and the decoration pollutants such as formaldehyde and TVOC and the carbon dioxide exhaled by ...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problems of the existing fresh air system using a prismatic heat exchange core that takes up a large space and the cost of renovation is high, the present invention provides an air conditioner indoor unit, which includes a casing, return air outlet and air outlet, the air-conditioning indoor unit also includes a double-flow fresh air purification device, the double-flow fresh air purification device includes a two-way air inlet and outlet duct, an air inlet system and an exhaust system, and the two-way inlet and outlet air duct includes an outer pipe and a first inner tube and a second inner tube arranged in the outer tube, a heat exchange core is arranged in the outer tube, and the heat exchange core divides the outer tube into a first part and a second part, the The first inner tube and the second inner tube are located at the first part and the second part respectively, and the air intake system includes the second part of the outer tube, the heat exchange core, and the air intake system according to the air flow directi

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