Control system for liquid nitrogen refrigeration equipment and liquid nitrogen refrigeration equipment
A liquid nitrogen refrigeration and control system technology, which is applied in household refrigeration equipment, lighting and heating equipment, applications, etc., can solve the problems of inability to build in place, difficulty in precise and stable temperature control of the thermostat liquid nitrogen refrigeration system, high energy consumption costs, etc. problems, to achieve the effect of meeting the requirements of precise and stable working temperature, low cost and low energy consumption
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Embodiment 1
[0048] Such as Figure 1-2 As shown, the embodiment of the present invention provides a control system for liquid nitrogen refrigeration equipment, including: a vacuum insulation pipeline 1, a first full vacuum valve 2, a second full vacuum valve 3, an atomizing nozzle 4, and a processing unit , the first electronically controlled three-way valve 6, the second electronically controlled three-way valve 7, the electric proportional pressure regulating valve 8, the pressure regulating valve 9 and the temperature acquisition unit;
[0049] Both the first full vacuum valve 2 and the second full vacuum valve 3 are connected to the vacuum insulation pipeline 1 in full vacuum;
[0050] The metal pipe 15 communicates with the vacuum insulated pipe 1; in the specific implementation process, the end of the vacuum insulated pipe 1 is connected with the metal pipe 15 through a tee, and the metal pipe 15 is used for Set in the upper space inside the liquid nitrogen refrigeration equipment;...
Embodiment 2
[0064] An embodiment of the present invention provides a liquid nitrogen refrigeration device, including the control system 14 and the thermostat 10 described in Embodiment 1;
[0065] The control end of the incubator 10 is connected to the central processing module 501; the central processing module 501 controls the working state of the incubator 10 according to the real-time temperature value inside the liquid nitrogen refrigeration equipment collected by the second temperature sensor 13;
[0066] The bottom end of the vacuum insulation pipeline 1 is flush with the inner top wall of the thermostat 10;
[0067] The metal pipe 15 is arranged horizontally on the upper layer of the incubator 10, and its bottom is connected to several evenly distributed atomizing nozzles 4, and the ejection direction of all the atomizing nozzles 4 is set downward.
[0068] Connect the inlet end of the incubator 10 to the first full vacuum valve 2, the second full vacuum valve 3 and the vacuum ins...
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