http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-208350920-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1b33bc481a5c092b65a1c5353c3f1222 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01R31-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E05F15-72 |
| filingDate | 2018-07-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-01-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c6247439394b4eb64b17f2e56ef4f3d3 |
| publicationDate | 2019-01-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-208350920-U |
| titleOfInvention | A kind of fire resistant doorsets door closer detection circuit |
| abstract | The utility model relates to fire alarm systems, a kind of fire resistant doorsets door closer detection circuit is provided, including single chip machine controlling circuit, break detection circuit, short-circuit detecting circuit and drive control circuit, the single chip machine controlling circuit is made of STC12C5A32S2 single-chip microcontroller U1 and its peripheral circuit, the break detection circuit includes resistance R6 and resistance R7, the drive control circuit includes resistance R3, R4, R5, PC817 chip U3, diode D1, triode Q1, fuse F1 and two joint connector P2, the short-circuit detecting circuit includes resistance R1, R2 and PC817 chip U2.The utility model solves existing fire resistant doorsets door closer when can not detect in short circuit or broken string in turn in fire alarm in the presence of the security hidden trouble that can not close fire resistant doorsets prevention fire spread. |
| priorityDate | 2018-07-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419587901 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID135398670 |
Total number of triples: 14.