Fixed gaseous detection alarm

The utility model provides a fixed gaseous detection alarm, including the detection alarm casing, be provided with the wiring mouth on the casing, wherein be provided with four wiring mouths on the casing, four wiring mouthful two bisymmetry settings are in on the left and right sides face of casing, four wiring mouths are audible -visual annunciator wiring mouthful, power supply signal wiring mouthful, air extractor wiring mouthful respectively and spray equipment wiring mouthful. The utility model discloses set up four wiring mouths, satisfied the on -the -spot use needs of alarm, it is convenient very much when installing at the scene, the wire winding is avoided in the cable dispersion of a plurality of circuits, when being convenient for the management, promotes the degree of safety, the wiring of every way all can independently be connected, also need not carry out the plug during use and change, and flame proof and water -proof effects are possible best, improve holistic security performance. 本实用新型提供了种