http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112346106-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8e821d4157ebc7faf1e88a6397fe3c55 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01T1-167 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N33-0047 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01D21-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N33-004 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N33-0031 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01J47-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01T1-185 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N33-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01T1-167 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01T1-185 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01D21-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01J47-02 |
| filingDate | 2020-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d936949731f0ef78cfdc015769a4ba93 |
| publicationDate | 2021-02-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112346106-A |
| titleOfInvention | Radon measuring device and method for small air pulse ionization chamber |
| abstract | The invention relates to the technical field of radon measurement, in particular to a small-sized radon measurement device with an air pulse ionization chamber, which comprises an ionization chamber with a cylindrical structure, wherein an end cover is arranged at one opening end of the ionization chamber, air holes are formed in the end cover, a wire mesh is arranged at the other opening end of the ionization chamber, a through hole penetrating through the end cover is formed in the center of the end cover, a collecting electrode extends into the ionization chamber from the through hole and extends to a position close to the wire mesh, one end, far away from the wire mesh, of the collecting electrode is electrically connected with a circuit board, the circuit board is arranged on the end cover through a support column, an acquisition circuit, a front amplification circuit, a rear main amplification circuit, a discrimination circuit, a main control unit and a communication module are arranged on the circuit board, a high-voltage power supply is connected to the shell of the ionization chamber with the cylindrical structure, the two ends of, the radon concentration is detected by inserting the collecting electrode into the ionization chamber, and the radon concentration detection device is simple in structure and low in manufacturing cost. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114797405-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114797405-B |
| priorityDate | 2020-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 31.