Error correction system and method for fire scene air pressure height sensor
A barometric altitude and error correction technology, which is applied in fire rescue and other directions, can solve problems such as high uncertainty, poor consistency, and low reliability, and achieve the effects of ingenious methods, eliminating potential safety hazards, and improving measurement accuracy
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[0050] The present invention will be further described below in conjunction with the accompanying drawings.
[0051] Such as figure 1 As shown, the error correction system for the air pressure height sensor of the fire fire field of the present invention includes a capacitive pressure sensor, a temperature sensor, a multiplexer, a signal conditioning circuit, a memory circuit, a digital interface circuit, a calibration coefficient input circuit, a micro processor and wireless communication circuitry,
[0052] The capacitive pressure sensor and the temperature sensor are respectively connected to a multiplexer, and the multiplexer is connected to the microprocessor through a signal conditioning circuit and a digital interface circuit in turn,
[0053] The calibration coefficient input circuit is connected to the memory circuit, and the memory circuit is connected to the microprocessor through a digital interface circuit. On the basis of improving production efficiency, the al...
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