Refrigeration cycle apparatus
一种致冷循环、设备的技术，应用在致冷循环设备领域，能够解决很难再去除碳酸等问题
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Embodiment 1
[0108] figure 1 It is a block diagram of a refrigeration cycle device according to the first embodiment of the present invention, which is formed by connecting pipelines, a compressor 1, a cooler 2, an expansion device 4 and an evaporator 3, wherein the expansion device 4 can be is a capillary or expansion valve.
[0109] This refrigerating cycle equipment is constituted by charging carbon dioxide as a working medium refrigerant into the device, and if necessary, a refrigerating oil can also be charged into the device to constitute the refrigerating cycle equipment. In order to remove the carbonic acid produced due to the introduction of water into the working medium in the refrigeration cycle, a container 5 of the carbonic acid trapping agent that is used to pack the carbonic acid trapping agent is connected with the refrigeration cycle through a pipeline, so that it can ensure that the Cold cycle reliability.
[0110] Next, the flow of carbon dioxide refrigerant in this r...
Embodiment 2
[0116] figure 2 It is a block diagram of a refrigerating cycle device according to Embodiment 2 of the present invention, and its refrigerating cycle is achieved by connecting an outdoor unit 17 with a compressor 11, a heat exchanger 12a, an expansion device 13, and a The pipeline and an indoor unit 18 are connected by pipelines, wherein the expansion device 13 can be a capillary tube or an expansion valve, and the indoor unit has a heat exchanger 12b, which is arranged at the place where air conditioning is required.
[0117] because figure 2 The outdoor unit 17 in has a channel switching device 15 such as a four-way valve, so the heat exchangers 12a, 12b can alternately function as coolers or evaporators.
[0118] In order to remove carbonic acid generated by the introduction of water, a container 14 containing a carbon dioxide trapping agent is placed at the low-temperature side pipe 16 between the flow path switching device 15 and the suction side of the compressor 11 ....
Embodiment 3
[0125] image 3 It is a block diagram of a refrigerating cycle apparatus according to Embodiment 3 of the present invention by connecting piping, a compressor 21, a cooler 22, an expansion device 24 such as a capillary tube or an expansion valve, and an evaporator 23 And constituted. To increase efficiency by reducing the temperature upstream of the expansion device 24, the refrigeration cycle is provided with an internal heat exchanger 26 for exchanging heat between the high and low pressure sides of the cycle.
[0126] The carbon dioxide refrigerant flow in the refrigeration equipment forms a low-temperature cycle, so that the refrigerant compressed into a supercritical state by the compressor 21 generates heat at the cooler 22, and the refrigerant passes through the internal heat exchanger 26 to further The cooled, subsequently cooled refrigerant flows through expansion device 24 . The subsequent cycle is formed such that the refrigerant undergoes endothermic vaporization...
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Abstract
Description
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Application Information
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