High-precision oxygen dissolving instrument system and special SoC
The invention belongs to the technical field of sensing measuring instruments, and particularly relates to a dissolved oxygen meter system and a special SoC. The dissolved oxygen meter system comprises a transmitting module (RDO, FIR and current domain DAC), a sensing module (a fluorescent film, an...
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| creator | QIN YAJIE ZHI XUANKAI JIANG YIZHOU |
| description | The invention belongs to the technical field of sensing measuring instruments, and particularly relates to a dissolved oxygen meter system and a special SoC. The dissolved oxygen meter system comprises a transmitting module (RDO, FIR and current domain DAC), a sensing module (a fluorescent film, an optical filter and a dissolved oxygen solution), a receiving module (PD, TIA, PGA and an analog phase-locked amplification module) and a signal processing and control module. According to the system, RDO, FIR and DAC are used for generating sinusoidal current signals to drive red light and blue light LEDs, generated fluorescence is received by PD and converted into current signals, the current signals are converted into voltage signals through TIA, and the voltage signals are converted into differential signals through PGA; after an output signal passes through the PGA and the filter through the analog phase-locked amplification module, harmonic waves are eliminated, and the maximum-range input of the ADC is achiev |
| format | Patent |
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The dissolved oxygen meter system comprises a transmitting module (RDO, FIR and current domain DAC), a sensing module (a fluorescent film, an optical filter and a dissolved oxygen solution), a receiving module (PD, TIA, PGA and an analog phase-locked amplification module) and a signal processing and control module. According to the system, RDO, FIR and DAC are used for generating sinusoidal current signals to drive red light and blue light LEDs, generated fluorescence is received by PD and converted into current signals, the current signals are converted into voltage signals through TIA, and the voltage signals are converted into differential signals through PGA; after an output signal passes through the PGA and the filter through the analog phase-locked amplification module, harmonic waves are eliminated, and the maximum-range input of the ADC is achiev</description><language>chi ; eng</language><subject>BASIC ELECTRONIC CIRCUITRY ; CODE CONVERSION IN GENERAL ; CODING ; DECODING ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210423&DB=EPODOC&CC=CN&NR=112697762A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210423&DB=EPODOC&CC=CN&NR=112697762A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>QIN YAJIE</creatorcontrib><creatorcontrib>ZHI XUANKAI</creatorcontrib><creatorcontrib>JIANG YIZHOU</creatorcontrib><title>High-precision oxygen dissolving instrument system and special SoC</title><description>The invention belongs to the technical field of sensing measuring instruments, and particularly relates to a dissolved oxygen meter system and a special SoC. 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| subjects | BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | High-precision oxygen dissolving instrument system and special SoC |
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