| 摘要 |
A wall-mountable spray head unit 11 for detecting a fire event and for delivering fire extinguishant to the fire event is described. The spray head unit comprises a rotatable spray head assembly 8 which comprises a spray manifold 18 rotatable about a first axis 17, a spray nozzle 19 supported by the spray manifold and orientated to deliver a mist of fire-suppressant material radially in a plane defined by the first axis and a second axis which is perpendicular to the first axis, and at least one thermal sensor 20 supported by the spray manifold aligned to with the vertical plane. Preferably the first axis is a substantially vertical axis and the plane is a substantially vertical plane. In a preferred embodiment, the manifold is only rotatable in the first axis. The thermal sensor may include an infrared thermometer, and the spray nozzle and the sensor may be set in a face of the manifold. The spray head assembly may be configured to sweep through an angular range of at least 120°. A fire suppression system, method of operating a spray head unit are also disclosed. |
