阅读说明：本技术 制冷装置 (Refrigerating device ) 是由 田中勝 平良繁治 配川知之 清水義喜 于 2017-01-26 设计创作，主要内容包括：制冷装置(100)包括热源单元(10)、利用单元(20A)、液态制冷剂配管(31)以及气态制冷剂配管(32)。利用单元(20A)具有利用单元内部管路(29a～29c)。液态制冷剂配管(31)和气态制冷剂配管(32)连接热源单元(10)和利用单元内部管路(29a～29c)。制冷剂在热源单元(10)、利用单元(20A)、液态制冷剂配管(31)以及气态制冷剂配管(32)中循环。制冷剂包括由具有一个以上的碳-碳不饱和键的分子式表示的化合物。在液态制冷剂配管(31)、气态制冷剂配管(32)以及利用单元内部管路(29a～29c)中的至少一部分的内表面涂敷有对制冷剂的歧化反应进行抑制的歧化反应抑制剂。(A refrigeration device (100) is provided with a heat source unit (10), a use unit (20A), a liquid refrigerant pipe (31), and a gas refrigerant pipe (32). The use unit (20A) has use unit internal pipelines (29 a-29 c). A liquid refrigerant pipe (31) and a gas refrigerant pipe (32) connect the heat source unit (10) and the usage unit internal pipelines (29 a-29 c). The refrigerant circulates through the heat source unit (10), the usage unit (20A), the liquid refrigerant pipe (31), and the gas refrigerant pipe (32). The refrigerant includes a compound represented by a formula having one or more carbon-carbon unsaturated bonds. The inner surfaces of at least a part of the liquid refrigerant pipe (31), the gaseous refrigerant pipe (32), and the use unit internal pipes (29 a-29 c) are coated with a disproportionation reaction inhibitor that inhibits disproportionation reaction of the refrigerant.)

1. A refrigeration device (100), comprising:

refrigerant pipes (19a to 19f, 29a to 29c, 31, 32);

heat exchangers (13, 22) connected to the refrigerant piping;

a compressor (11) connected to the refrigerant pipe;

a refrigerant which contains HFO and HFC as main components and passes through the refrigerant pipe; and

refrigerating machine oil containing alkyl aromatic hydrocarbon and oxygen-containing hydrocarbon as main components,

the oxygen-containing hydrocarbon contains at least one of an ether and an ester,

the weight mixing ratio of the HFO in the refrigerant is a first refrigerant ratio,

the weight mixing ratio of the HFC in the refrigerant is a second refrigerant ratio,

the mixing ratio of the alkyl aromatic hydrocarbon in the refrigerator oil is a first oil ratio,

the mixing ratio of the oxygen-containing hydrocarbon in the refrigerator oil is a second oil ratio,

the first oil ratio is greater than the second oil ratio in a case where the first refrigerant ratio is greater than the second refrigerant ratio, and the first oil ratio is less than the second oil ratio in a case where the first refrigerant ratio is less than the second refrigerant ratio.

2. The refrigeration unit of claim 1,

said HFO is HFO-1123,

the HFC is R32.

3. The refrigeration unit of claim 1,

the first refrigerant ratio is equal to the first oil ratio,

the second refrigerant ratio is equal to the second oil ratio.

4. The refrigeration unit of claim 1,

the first refrigerant ratio is 40% to 60%,

the second refrigerant ratio is 60% to 40%,

the first oil ratio is 40% to 60%,

the second oil ratio is 60% to 40%.

5. A cold appliance according to any of claims 1 to 4,

further comprising a polymerization inhibitor provided in the refrigerant pipe and inhibiting polymerization of the refrigerant.

6. A cold appliance according to any of claims 1 to 4,

further comprising at least one of an oxidation resistance enhancer, a heat resistance enhancer, and a metal deactivator provided in the refrigerant pipe,

the oxidation resistance enhancer and the heat resistance enhancer include at least one of: n, N ' -diphenylphenylenediamine, p-octyldiphenylamine, p ' -dioctyldiphenylamine, N-phenyl-1-naphthylamine, N-phenyl-2-naphthylamine, N- (p-dodecyl) phenyl-2-naphthylamine, di-1-naphthylamine, di-2-naphthylamine, N-alkylphenothiazine, 6- (tert-butyl) phenol, 2, 6-di- (tert-butyl) phenol, 4-methyl-2, 6-di- (tert-butyl) phenol, 4 ' -methylenebis (2, 6-di-tert-butylphenol),

the metal deactivator includes at least one of: imidazole, benzimidazole, 2-mercaptobenzothiazole, 2, 5-dimercaptothiadiazole, salicylidene-propanediamine, pyrazole, benzotriazole, tolyltriazole, 2-methylbenzimidazole, 3, 5-dimethylpyrazole, methylenebis-benzotriazole, an organic acid or ester thereof, a primary aliphatic amine, a secondary or tertiary aliphatic amine, an ammonium salt of an organic or inorganic acid, a heterocyclic nitrogen-containing compound, an ammonium salt of an alkyl acid phosphate or a derivative thereof.

7. The refrigeration unit of claim 1,

further comprising an antioxidant agent disposed in the refrigerant piping,

the antioxidant comprises at least one of: zinc dithionate, an organic sulfur compound, 2, 6-di-tert-butyl-4-methylphenol, 2, 6-di-tert-butyl-4-ethylphenol, 2 ' -methylenebis (4-methyl-6-tert-butylphenol), phenyl-alpha-naphthylamine, N ' -di-phenyl-p-phenylenediamine, N ' -disalicylidene-1, 2-diaminopropane.

8. A cold appliance according to any of claims 1 to 4,

further comprising a deoxidizer provided in the refrigerant pipe,

the deoxidizer includes at least one of the following: 2-ethylhexyl glycidyl ether, phenyl glycidyl ether, epoxidized cyclohexylmethanol, di (alkylphenyl) carbodiimide, beta-pinene.