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Refrigeration cycle device

A refrigeration cycle and refrigerant technology, which is applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve problems such as easy corrosion, and achieve the effect of preventing corrosion

Active Publication Date: 2015-10-07
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since aluminum is a material with a relatively high ionization tendency, corrosion (galvanic corrosion) is likely to occur when it comes into contact with a different metal such as copper.

Method used

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Examples

Experimental program
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Embodiment Construction

[0026] Hereinafter, an air conditioner as one type of refrigeration cycle apparatus according to an embodiment of the present invention will be described with reference to the drawings. figure 1 It is a schematic diagram which shows the structure of the air conditioner of this embodiment. as it should figure 1 As shown, the air conditioner 1 includes: a first heat exchanger 2 (hereinafter referred to as "outdoor heat exchanger 2") that discharges heat to the outside during cooling operation; a second heat exchanger 3 (hereinafter referred to as "outdoor heat exchanger 2") that absorbs heat from outside air “indoor heat exchanger 3 ”); and a refrigeration cycle 4 including these heat exchangers 2 and 3 . In addition, fans 7 and 8 driven by motors 5 and 6 are arranged near the outdoor heat exchanger 2 and the indoor heat exchanger 3, and the airflow generated by the rotation of the fans 7 and 8 flows through the heat exchanger 2. , 3.

[0027] In addition, in the following de...

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PUM

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Abstract

An air conditioning unit (1) comprises an outdoor heat-exchanger (2) and an indoor heat-exchanger (3) and forms a refrigeration cycle (4) by flowing refrigerant along pipes between the heat-exchangers (2, 3). The air conditioning unit (1) is provided with a refrigerant pipe, made of an aluminum or aluminum alloy material, which forms a part of the refrigeration cycle (4)and a refrigerant pipe made of a copper or copper alloy material, which forms the other part of the refrigeration cycle (4) and is connected to the aforementioned aluminum refrigerant pipe. The aforementioned aluminum refrigerant pipe has an inverse U- shaped portion protruding upward, and / or the aforementioned copper refrigerant pipe has a U-shaped portion protruding downward, in close proximity to the points of connection between the aluminum refrigerant pipe and the copper refrigerant pipe (P1, P2).

Description

technical field [0001] The present invention relates to a first heat exchanger that discharges heat to the outside through heat exchange and a second heat exchanger that absorbs heat from the outside through heat exchange, and the refrigerant is arranged along the first heat exchanger and the second heat exchanger. A refrigeration cycle device in which pipes flow between exchangers. Background technique [0002] Conventionally, as a refrigeration cycle device, especially in an air conditioner, pipe members (copper refrigerant pipes) formed of copper or copper alloys are used as the internal parts of the outdoor heat exchanger and the indoor heat exchanger. The refrigerant pipes, and the refrigerant pipes used as connections between these heat exchangers are the mainstream. However, due to demands for weight reduction and cost reduction, in recent years, it has been proposed to partially use tube members (aluminum refrigerant tubes) made of aluminum or an aluminum alloy (see...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B39/04
CPCF25B41/003F28D2021/0068F28F9/0256F28F17/005F28F19/00F28F21/084F28F21/085F28F2275/00F25B41/40
Inventor 谷口胜志横山昭一野间富之山本宪昭杉尾孝高桥正敏
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD