Wireless gas detection apparatus delaying-jitter elimination electric circuit design method

• Main Author: MA YINGNAN
• Format: Patent
• Language: Chinese; English
• Published: 19.06.2013
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention belongs to the field of gas wireless detection, and especially relates to a wireless gas detection apparatus delaying-jitter elimination electric circuit design method. According to the design method, a gas sensing probe 1, a bridge type amplifier 2, a single-chip computer 4 with an A/D converter, and a wireless transmission unit GSM5 are provided, the gas sensing probe 1 is arranged on one arm in a bridge circuit, bridge output is provided, four operational amplifiers form a measurement amplifier 3, output of the measurement amplifier 3 is electrically connected with an A/D input end of the single-chip computer 4 with the A/D converter, and an I/O port of the single-chip computer 4 with the A/D converter is electrically connected with a cable transmission unit GSM5.