Heat exchanger

A technology of heat exchangers and oxides, applied in the direction of heat exchange equipment, indirect heat exchangers, heat exchanger types, etc., can solve problems such as unsuitable heat exchangers, and achieve the effect of maintaining antibacterial function
CN111133270APending Publication Date: 2020-05-08LG ELECTRONICS INC
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
LG ELECTRONICS INC
Publication Date
2020-05-08

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Abstract

A heat exchanger of the present invention is operated in a cooling operation mode in which a region to be heat-exchanged is cooled by the heat exchanger or in a drying operation mode in which the heatexchanger is supplied with wind from a blowing fan, and comprises: a refrigerant pipe which forms a flow path of a refrigerant; a cooling fin which is coupled to the refrigerant pipe; and a hydrophilic coating with which the surface of at least one of the refrigerant pipe and the cooling fin is coated, wherein the hydrophilic coating contains: a first type transition metal oxide which becomes acidic by reacting with water formed on the refrigerant pipe or the cooling fin, so as to have antimicrobial activity when the heat exchanger is operated in the cooling operation mode; and a second typetransition metal oxide or a post transition metal oxide which has antimicrobial activity when the heat exchanger is operated in the drying operation mode.
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Description

technical field

[0001] The present invention relates to a heat exchanger with antibacterial and deodorizing functional surfaces. Background technique

[0002] Heat exchangers are used in various technical fields such as air conditioners and refrigerators. However, in the case of continuous operation of the heat exchanger, moisture will condense on the surface of the heat exchanger. For example, when a heat exchanger is used as an indoor unit (evaporator) of an air conditioner, the temperature of the indoor unit becomes lower than normal temperature when the air conditioner performs a cooling operation. As a result, condensed water condenses on the surface of the indoor unit.

[0003] Condensate that condenses on the heat exchanger surfaces can cause bacterial growth. This is because bacteria thrive in damp places. In addition, bacteria such as mold and the like can cause unpleasant odors. In order to solve the above-mentioned problems, it may be considered to immediatel...

Claims

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