Dual spectrum military vehicle CAN bus optical detector

Abstract

The invention provides a dual-spectrum military vehicle CAN bus optical detector capable of accurately detecting fire alarms, which is suitable for military vehicles in harsh environments, including a power filter conversion circuit, an infrared light sensing circuit, an ultraviolet light sensing circuit, a temperature Compensation circuit, CPU interface circuit, CAN bus interface circuit, indicator light circuit and other structural designs. The invention integrates the CAN bus interface, can be directly connected to the vehicle electric information network, and transmits fire alarm, working status and other information to the upper computer in time. Due to the selection of photosensitive elements suitable for the two strong spectral ranges of the flame, the accuracy of fire detection is high and the ability to prevent false alarms is strong; the temperature compensation is carried out through CPU sampling and calculation, so that the detection sensitivity remains consistent in a wide temperature environment, The degree of intelligence has been significantly improved; when the vehicle is severely bumped or hit by a fire, causing a power supply or bus failure, it can still work normally.

Description

Dual Spectrum Military Vehicle CAN Bus Optical Detector technical field Patent of the present invention relates to a kind of optical detector, specifically a kind of CAN bus for dual-spectrum military vehicles Optical detectors that can detect and monitor flames. Background technique The common fire warning system of military vehicles mainly uses heat conduction principle to detect fire alarm, such as using heat The electric coupler has a small fire-sensitive area and low sensitivity. With the advancement and development of science and technology, the application fields of optics are becoming wider and wider. Widely, according to relevant abstracts, the existing optical detectors are mainly divided into two categories: one is infrared light detectors, and the other is ultraviolet light detectors. light detector. These two types of optical detectors can only detect a single optical signal. Since the optical signal is relatively complex, such as Sunlight and dayli...

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Problems solved by technology

Economic loss caused by fire

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