http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-207335741-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a6f04a365e21ad58f3eb6e966459e5f8 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01D7-00 |
| filingDate | 2017-01-22^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-05-08^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e77ca0e55b7c353c0282a2a2725aee55 |
| publicationDate | 2018-05-08^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-207335741-U |
| titleOfInvention | A kind of novel passive DC loop digital displaying meter |
| abstract | The utility model provides a kind of novel passive DC loop digital displaying meter, including power unit, analog-to-digital conversion adc circuit part and the multiple-channel output part being sequentially connected electrically；Power unit includes the 4 20mA input signals that signal circuit input terminal inputted, two series connection take electric diode, recommend inversion oscillator, transformer and filter regulator circuit in signal circuit, two magnitudes of voltage for taking electric diode to obtain power supply are 1.4V, power supply by transformer by being delivered to filter regulator circuit again after recommending inversion oscillator drives transformer, transformer secondary output use is with centre tapped winding, centre cap connect display table floatingly, two terminals of transformer secondary output winding are respectively connected with full-wave rectification diode；Analog-to-digital conversion adc circuit part is ICL7136 chips and peripheral circuit；Multiple-channel output part includes LCD display and signal control output circuit.The beneficial effects of the utility model are：The design makes digital displaying meter have the advantages that energy consumption is low, is used with transmitter matching degree higher and easy to in-site installation. |
| priorityDate | 2017-01-22^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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