http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110617660-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25D29-003 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25D3-105 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F25D29-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F25D3-10 |
| filingDate | 2019-09-02^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-10-15^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-10-15^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110617660-B |
| titleOfInvention | Liquid nitrogen refrigerating system of van-type refrigerator car and control method thereof |
| abstract | The invention relates to a liquid nitrogen refrigerating system of a van-type refrigerator car and a control method thereof, wherein the liquid nitrogen refrigerating system comprises a liquid nitrogen tank, a valve box, an evaporator and a controller, the liquid nitrogen tank is connected with the input end of the valve box through a first pipeline, a first electromagnetic valve is arranged in the valve box, the output end of the valve box is connected with the input port of the evaporator through a second pipeline, the evaporator is arranged in a carriage and is provided with an evaporation fan, the output port of the evaporator is connected with an exhaust pipeline, the exhaust pipeline is provided with a second electromagnetic valve, the liquid nitrogen exhaust pipeline between the second electromagnetic valve and the evaporator is connected with the liquid nitrogen tank through a gas return pipeline, a third electromagnetic valve is arranged on a gas return pipeline, and the controller is respectively connected with the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the evaporation fan; the control method has the advantages of simple flow, high execution efficiency, safety and reliability. |
| priorityDate | 2019-09-02^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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