Refrigerant control system and cooling system manufacturing method

1. The present invention relates to a refrigerant control system and a cooling system.

Background technique:

2. Traditionally, a device for cooling a cooling object has been proposed. For example, the device of Patent Document 1 includes a high-source refrigeration cycle that connects a high-source-side compressor, a high-source-side condenser, a high-source-side diaphragm device, and a high-source-side evaporator through a pipeline. The device makes the refrigerant cycle, a low-source refrigeration cycle connected to a low-source-side compressor, an auxiliary radiator, a low-source-side condenser, a low-source-side diaphragm device and a low-source-side evaporator through a pipeline and makes Refrigerant cycle. The high-source side evaporator and the low-source side condenser are connected to form a cascade condenser, and heat exchange is performed by the refrigerant passing through it. Furthermore, since the suction side pipe of a low-source side compressor in a low-source refrigeration cycle piping is connected to an expansion tank by a solenoid valve, the pressure of the low-source refrigeration cycle can be adjusted instead of a setting The pressure value also opens the solenoid valve in this way to allow the refrigerant in the low-source refrigeration cycle to flow into the expansion tank. With this configuration, the cooling object disposed near the low-source side evaporator of the low-source refrigeration cycle can exchange heat with the refrigerant in the low-source refrigeration cycle to cool the cooling object.

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