Refrigerant splitters and air conditioners
A refrigerant and shunt technology, applied in refrigerators, refrigeration and liquefaction, refrigeration components, etc., can solve problems such as main body damage, refrigerant leakage, corrosion resistance and durability effect, etc.
Active Publication Date: 2021-06-22
DAIKIN IND LTD
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Problems solved by technology
In the aluminum refrigerant distributor described in Patent Document 1, the corrosion resistance of parts made of aluminum affects the service life of the refrigerant distributor.
For example, when aluminum or an aluminum alloy is used for a main body that divides refrigerant, the main body may be damaged by corrosion of the aluminum or aluminum alloy, resulting in refrigerant leakage
Method used
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[0025] (1) Overall structure
[0026] Such as figure 1 As shown, the refrigerant flow divider 10 is applied to, for example, the heat exchanger 1 on the heat source side included in the air conditioner. Although not shown in the figure, in addition to the heat exchanger 1 on the heat source side, the air conditioner also includes, for example, a heat exchanger on the utilization side for performing a vapor compression refrigeration cycle, and is connected with the heat exchanger on the heat source side. heat exchangers 1 in a pair; a compressor that circulates the refrigerant flowing in the heat exchanger 1 on the heat source side and the heat exchanger on the utilization side; a four-way valve that switches the flow of the refrigerant; and a blower fan, etc., which generate an air flow to the heat exchanger 1 . The air conditioner is configured, for example, to switch between a cooling operation and a heating operation, and the direction of the refrigerant flowing through t...
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Uniformly increases the corrosion resistance of the main body made of aluminum or aluminum alloy in the refrigerant flow divider. The refrigerant flow divider (10) includes a first refrigerant pipe (20), a plurality of second refrigerant pipes (30), a main body (40), a first plate (50) and a second plate (60). The main body (40) is made of aluminum or aluminum alloy. The main body (40) that divides the refrigerant from the first refrigerant pipe (20) to a plurality of second refrigerant pipes (30) has a first surface (41) for connecting the first refrigerant pipe (20) and a plurality of second refrigerant pipes (30). The second face (42) to which the second refrigerant pipe (30) is connected. A first plate (50) is bonded to the first face (41) and has a first sacrificial anode layer (54) on an outer surface exposed to the atmosphere opposite the body (40). A second plate (60) is bonded to the second face (42) and has a second sacrificial anode layer (64) on an outer surface exposed to the atmosphere opposite the body (40).
Description
technical field [0001] A refrigerant flow divider comprising a main body made of aluminum or aluminum alloy and an air conditioner comprising the refrigerant flow divider. Background technique [0002] Among conventional refrigerant flow dividers, there is an aluminum refrigerant flow divider as described in Patent Document 1 (International Publication No. 2016 / 002280), for example. In the aluminum refrigerant distributor described in Patent Document 1, the corrosion resistance of the parts made of aluminum affects the service life of the refrigerant distributor. For example, when aluminum or an aluminum alloy is used for a main body that divides refrigerant, the main body may be damaged by corrosion of the aluminum or aluminum alloy, resulting in leakage of the refrigerant. Contents of the invention [0003] The technical problem to be solved by the invention [0004] Therefore, as a method of improving the corrosion resistance of the main body, for example, a process o...
Claims
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IPC IPC(8): F25B41/42F28F19/06
CPCF28F19/06F25B41/42F25B39/028F25B47/003F25B39/00
Inventor 山田甲树神藤正宪佐藤健松田浩彰塩见幸平山吉知树
Owner DAIKIN IND LTD