Air pressure detection apparatus

The utility model relates to an air pressure detection apparatus, which comprises a housin, the casing forms with the housing and goes up the emclosed area, the casing forms emclosed area down with the receiver tube, upward be provided with the differential transformer coil in the emclosed area, differential transformer coil inside is provided with sealed chamber, be provided with the iron core in the sealed chamber, be provided with the diaphragm chamber down in the emclosed area, the diaphragm chamber center is connected with the iron core through the inserted bar, be provided with the filter screen between diaphragm chamber and the receiver tube. The utility model discloses simple structure, honest and clean, the stable performance of low in manufacturing cost, adaptive capacity to environment is strong, and it is fast that atmospheric pressure detects the response, and the precision is high.