http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-214375290-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8e821d4157ebc7faf1e88a6397fe3c55 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N33-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01J47-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01D21-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01T1-185 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01T1-167 |
| filingDate | 2020-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-10-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d936949731f0ef78cfdc015769a4ba93 |
| publicationDate | 2021-10-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-214375290-U |
| titleOfInvention | Small-size air pulse ionization chamber emanometer device |
| abstract | The utility model relates to a radon measuring technical field, in particular to a small-sized radon measuring device of an air pulse ionization chamber, which comprises an ionization chamber with a cylinder structure, wherein an end cover is arranged at one open end of the ionization chamber, a vent hole is arranged on the end cover, a wire mesh is arranged at the other end opening of the ionization chamber, a through hole penetrating through the end cover is arranged at the central position of the end cover, a collecting electrode extends into the ionization chamber from the through hole and is close to the wire mesh, one end of the collecting electrode, which is far away from the wire mesh, 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 amplifying circuit, a rear main amplifying circuit, a discrimination circuit, a main control unit and a communication module are arranged on the circuit board, the shell of the ionization chamber is connected with a high-voltage power supply, the cylinder structure ionization chamber with two ventilated ends is adopted, and the quick response to the change of radon concentration is realized, 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. |
| 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: 21.