Data wireless transmission circuit and device applied to marine measuring instrument

• Main Authors: DU LIBIN, LIU JIE, CHEN GUANGYUAN, HE HAIJING, LI ZHENGBAO
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PHYSICS; SIGNALLING; TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS; WIRELESS COMMUNICATIONS NETWORKS

The invention provides a data wireless transmission circuit and device applied to an ocean measuring instrument, and belongs to the technical field of ocean monitoring. The circuit comprises an analog switch, a main Bluetooth module, a pull-up resistor, a magnetic switch, a microprocessor, a Flash memory, a data acquisition module and the like; the master Bluetooth module is used for being connected with the slave Bluetooth module in the surveying vessel data recovery unit and performing data transmission; the microprocessor is used for controlling the power-on work of the main Bluetooth module; the circuit has a data acquisition mode and a data transmission mode, when the circuit is in the data acquisition mode, the analog switch and the magnetic switch are both in an open state, and when the circuit is in the data transmission mode, the analog switch and the magnetic switch are both in a closed state. According to the technical scheme, the problems that in the prior art, after a marine surveying instrument