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Heat exchanger, air conditioner and metal foil processing method

A technology of heat exchanger and processing method, applied in metal processing equipment, heat exchange equipment, evaporator/condenser, etc., can solve the problems of durability to be improved, influence of evaporator heat exchange performance stability, and high thermal conductivity , to achieve the effect of high wear resistance, easy deployment and improved wear resistance

Active Publication Date: 2017-12-19
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the existing hydrophilic coatings are often organic resins, their durability needs to be improved, and their thermal conductivity is high, so the heat transfer performance of the evaporator is extremely stable.

Method used

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  • Heat exchanger, air conditioner and metal foil processing method
  • Heat exchanger, air conditioner and metal foil processing method
  • Heat exchanger, air conditioner and metal foil processing method

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Embodiment Construction

[0038] In order to understand the above objects, features and advantages of the present invention more clearly, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other in the case of no conflict.

[0039] Many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. example limitations.

[0040] like Figure 1 to Figure 5As shown, according to the first aspect of the present invention, a heat exchanger is provided, which is characterized in that it includes: a plurality of metal f...

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Abstract

The invention provides a heat exchanger, an air conditioner and a machining method for metal foils. The heat exchanger comprises multiple metal foils and refrigerant pipes matching the metal foils. Surfaces of the metal foils are engraved with multiple grooves and multiple stripe-shaped protrusions. Due to the multiple grooves and the multiple stripe-shaped protrusions, the metal foils have hydrophilic properties. The air conditioner is provided with the above heat exchanger. The machining method for metal foils comprises following steps: firstly, adopting a laser to engrave the grooves in surfaces of the metal foils for multiple times till the number of the grooves reach at the pre-set value, secondly, utilizing the laser to engrave the grooves in a deepening mode for multiple times till the depths of the grooves reach the pre-set depth. The heat exchanger, the air conditioner and the machining method for metal foils have following beneficial effects: hydrophilic surfaces of the metal foils have high heat exchange rate and fine durability; a simple process is obtained; and high dimensional accuracy is achieved.

Description

technical field [0001] The present invention relates to the field of refrigeration, and more particularly, to a heat exchanger, an air conditioner and a method for processing metal foil. Background technique [0002] At present, during the cooling process of the air conditioner, the temperature of the aluminum fins of the evaporator is below the dew point, and the condensed water formed on the surface of the aluminum fins has two negative effects on the heat exchange of the evaporator. Second, reduce the air inlet area of ​​the evaporator and increase the air inlet resistance. Therefore, the surface of the aluminum fins of the evaporator is usually provided with a hydrophilic coating to increase the wettability of the surface and reduce the contact angle of the surface of the aluminum fins, thereby improving the heat exchange efficiency. However, the existing hydrophilic coatings are often organic resins, and their durability needs to be improved and the thermal conductivit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B39/00F28F21/08B23K26/364
CPCF25B39/00F28F21/08
Inventor 关伟盛
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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