SPRINKLER WITH CONTROLLED START Russian patent published in 2014 - IPC A62C35/10 

FIELD: fire safety.

SUBSTANCE: in the sprinkler with a controlled start, comprising a sprayer and a housing that comprises a check valve pressed through the sealing disc spring, thermo-decomposable sensor element connected to the thermal heating element, with outputs for connection to the controlled power supply, is provided with a normally closed contact group connected with its outputs of the thermal heating element, and the contact group is made in the form of a check valve and a tapered cup located between the check valve and the thermo-decomposable sensor element, and the surface of the tapered cup has a shape identical to the shape of the tapered sample of the check valve, at the upper part of the housing a sleeve is located, on which a sprayer is rigidly fixed, comprising a lower cup which is rigidly connected to the sleeve, and the upper cup-splitter on the conical surface of which the slits are made, and the lower cup by means of at least three inclined spokes is connected to the upper cup-splitter, and inside the sprayer a splitter is additionally mounted, made in the form of a body of revolution such as ball fixed by means of at least three radial, horizontally located, flat lobes to the inclined spokes, and the axis of the body of revolution coincides with the axes of the sleeve and the check valve.

EFFECT: enabling remote control and status monitoring of the sprinkler, and control of readiness of the sprinkler to work.

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