Beidou time service wireless sensor acquisition system based on ZigBee

Abstract

The invention discloses a Beidou time service wireless sensor acquisition system based on ZigBee. Different sensors send sensor detection data to an MCU control module; each sensor node operates independently, external control, external power supply and a constant-temperature working environment are not needed, the system can be arranged efficiently, data interference does not exist between the nodes, and maintenance and repair are easy; a data acquisition system is powered by a 3.8 V anti-explosion lithium battery, so that a communication system in the cabin is not interfered. The sensor cable laying of the dynamic data acquisition system can be reduced by 90%, the construction period and labor cost can be reduced by 80%, the system cost can be reduced by 40%, and the system volume can be reduced by 40%. The synchronous acquisition of sensor data at the same time is effectively ensured, and the time sequence precision of data acquisition is ensured.

Description

technical field [0001] The invention belongs to the technical field of wireless sensors, and in particular relates to a ZigBee-based Beidou timing wireless sensor acquisition system. Background technique [0002] In order to measure the pressure, temperature, vibration and overload of each part of the rocket, it is required to directly communicate with the wireless data receiving controller to meet the miniaturization and product design. At present, most of the wireless sensors used in the domestic market are based on WiFi, Bluetooth, etc. These sensors cannot achieve low power consumption, long-distance transmission, and synchronization, time slot allocation, etc. cannot meet the requirements of synchronous preprocessing, acquisition and transmission of a large amount of data in the rocket cabin . [0003] At present, most solutions for dynamic data acquisition use optical fiber or distributed sensors plus data acquisition terminals to achieve dynamic data acquisition and ...

AI Technical Summary

Problems solved by technology

At present, most of the wireless sensors used in the domestic market are based on WiFi, Bluetooth, etc. These sensors cannot achieve low power consumption, long-distance transmission, and synchronization, time slot allocation, etc. cannot meet the requirements of synchronous preprocessing, acquisition and transmission of a large amount of data in the rocket cabin

[0003] Most of the current dynamic data acquisition solutions use optical fiber or distributed sensors plus data acquisition terminals to achieve dynamic data acquisition and preprocessing, which requires the deployment of a large number of cables, data acquisition terminals, networks and a large number of cable protection tubes on site. etc., the line network is densely covered, the interference is large, and it is not conducive to high-precision data collection; and the equipment installation takes a long time, the cost is high, and the later maintenance is not easy, and the fault location and replacement cannot be quickly performed, and the accuracy of data collection cannot be guaranteed.

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