JPH046772Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a rotary extinguishing fluid injection device that injects extinguishing fluid such as extinguishing liquid or extinguishing agent while rotating.

[Summary of the invention] The present invention injects extinguishing fluid in the direction of the rotational axis of the main rotating pipe section with a rotational axis direction fire extinguishing fluid injection head oriented in the direction of the rotational axis of the main rotating pipe section. Injecting the extinguishing fluid backward in the rotational direction by a plurality of extinguishing fluid injection heads that are provided to protrude in the radial direction of the pipe section and rotate around the rotation axis of the main rotary tube section under the injection pressure of the extinguishing fluid, These rotating extinguishing fluid injection heads are designed so that the extinguishing fluid injection angle with respect to a plane perpendicular to the axis of rotation can be arbitrarily adjusted, so that the extinguishing fluid can be injected over a wider range.

[Prior Art] When a conventional fire extinguishing fluid injection device 1 is installed, for example, on the ceiling 3 of a cooking chamber 2 as shown in FIG. It was limited to a range of angles θ such as .

[Problem to be solved by the invention] For this reason, the shaded area 5 including the ceiling 3 becomes an area that cannot be extinguished, and if flames rising from the gas range 6 side reach the ceiling 3 side, that area cannot be extinguished. There was a problem that I didn't have.

An object of the present invention is to provide a rotary extinguishing fluid injection device that can extend the extinguishing range to the ceiling.

[Means for Solving the Problems] The structure of the present invention for solving the above-mentioned problems will be explained with reference to FIGS. 1 and 2, which correspond to embodiments. A main rotary pipe section 11 is rotatably connected to the side fire extinguishing fluid supply pipe 9 and receives the supply of fire extinguishing fluid, and a main rotary pipe section 11 protrudes in the direction of the rotation radius of the main rotary pipe section 11 when viewed from the axial direction of the main rotary pipe section 11. A plurality of branch rotary pipe sections 13 are provided to receive the distribution of the fire extinguishing fluid, a fire extinguishing fluid injection head 15 is provided in each of the branch rotary pipe sections 13 facing backward with respect to the direction of rotation thereof, and the main rotary pipe section 11 to each of the fire extinguishing fluid jetting heads 15, each of the fire extinguishing fluid jetting heads 1 is attached to a plane perpendicular to the rotational axis direction of the main rotary pipe section 11.
5, and an injection angle adjusting section 14 provided so as to be able to adjust the injection angle of the fire extinguishing fluid. The invention is characterized in that it includes a rotating axial extinguishing fluid injection head 16 that receives distribution.

[Operation of the invention] In such a rotary extinguishing fluid injection device 8, each extinguishing fluid injection head 15 is connected to a branch rotary pipe section 1.
3 in a direction away from the rotation axis, and each is provided with a spray angle adjustment section 14, so that by directing the spray direction of at least one fire extinguishing fluid spray head 15 toward the ceiling 3, The ceiling 3 side can also be included in the fire extinguishing range. Moreover, the spray angle can be arbitrarily adjusted depending on the height of the ceiling 3, etc.

Further, the extinguishing fluid ejecting heads 16 in the direction of the rotational axis eject extinguishing fluid in the direction of the rotational axis, thereby extinguishing an area that cannot be covered by each extinguishing fluid ejecting head 15. Therefore, each extinguishing fluid injection head 15 and the rotary axial extinguishing fluid injection head 16 can extinguish a fire over a wider range than before.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to FIGS. 1 and 2. As shown in the figure, in this embodiment, a fire extinguishing unit 7 containing a fire extinguishing fluid tank, a starter unit, etc. is fitted and installed on the back side of the ceiling 3, and a rotary type unit 7, which is the main part of this embodiment, is installed from the center of the lower surface. A fire extinguishing fluid injection device 8 is rotatably protruded.

This rotary fire extinguishing fluid injection device 8 has a main rotary pipe section 11 which is rotatably connected via a bearing 10 to a fixed side fire extinguishing fluid supply pipe 9 connected to a fire extinguishing fluid tank (not shown) and receives the supply of fire extinguishing fluid. have
Two branch rotary tube portions 13 are connected to the main rotary tube portion 11 via branch connectors 12 in the rotation radial direction of the main rotary tube portion 11 when viewed from the rotation axis direction of the main rotary tube portion 1. Connected by screws. A fire extinguishing fluid injection head 15 is screwed and connected to the tip of each branch rotating pipe section 13 in a backward direction with respect to the rotational direction via an injection angle adjustment section 14 formed of an elbow. Further, a rotational axis direction extinguishing fluid injection head 16 is connected to the branching connector 12 in the direction of the rotational axis of the main rotary pipe section 11 . A plurality of fire detectors 17, an alarm buzzer 18, and a power indicator light 19 are attached to the lower surface of the fire extinguishing unit 7.
When the fire detector 17 detects a fire, a starter (not shown) is driven, and thereby the supply of fire extinguishing fluid from a fire extinguishing fluid tank (not shown) begins, and the alarm buzzer 18 starts sounding.

In such a device 8, for example, one of two fire extinguishing fluid injection heads 15 as shown in the figure is used.
By adjusting the screwing angle of the injection angle adjustment part (elbow in the embodiment) 14 with respect to the branch rotating pipe part 13 and directing it toward the ceiling 3, it is possible to put it in the injection range of the extinguishing fluid on the ceiling 3 side. Further, the remaining extinguishing fluid injection head 15 is oriented horizontally so that it can spray extinguishing fluid over a wide range.

When each fire extinguishing fluid injection head 15 starts jetting fire extinguishing fluid in such a state, since these heads 15 face backward with respect to the rotational direction, the rotary fire extinguishing fluid injection device 8 starts to rotate and continues to rotate. Inject extinguishing fluid. Further, the rotational axis direction extinguishing fluid injection head 16 injects extinguishing fluid in the rotational axis direction (downward in the illustrated example).

Note that the number of extinguishing fluid injection heads 15 is not limited to two, and may be two or more.

Further, the supply of extinguishing fluid is not limited to the tank in the fire extinguishing unit 7 as shown in the figure, but it goes without saying that it may be supplied from a separately installed tank or the like.

Furthermore, the injection angle adjustment section 14 can also be constructed using a threaded portion of the branch connector 12 and the branch rotary tube section 13.

[Effect of the invention] As explained above, in the rotary extinguishing fluid injection device according to the invention, each extinguishing fluid injection head projects in a direction away from its rotation axis via a branched rotating pipe section, and Since each of them is provided with a spray angle adjustment section, by directing the spray direction of at least one fire extinguishing fluid spray head toward the ceiling, it is possible to bring fire extinguishing into the ceiling, which has been difficult in the past. Moreover, according to this device,
The presence of the spray angle adjustment section has the advantage that the spray angle can be arbitrarily adjusted on site depending on the condition of the ceiling.

In addition, the present invention is equipped with a fire extinguishing fluid injection head oriented toward the rotation axis of the main rotary pipe section, which injects fire extinguishing fluid in the direction of the rotation axis that cannot be covered by the fire extinguishing fluid injection head described above. Therefore, it has the advantage of being able to extinguish fires over a much wider area than before.

[Brief explanation of the drawing]

1 and 2 are a cross-sectional view and a bottom view of an embodiment of the rotary extinguishing fluid injection device according to the present invention, and FIG. 3 is an explanatory diagram of the conventional extinguishing fluid injection device in an installed state. 3...Ceiling, 8...Rotary fire extinguishing fluid injection device,
9... Fixed side fire extinguishing fluid supply pipe, 11... Main rotary pipe section, 12... Branch connector, 13... Branch rotating pipe section, 14... Injection angle adjustment section, 15... Fire extinguishing fluid injection head, 16 ...A fire extinguishing fluid injection head in the direction of the rotating axis.

Claims (1)

[Scope of utility model registration request] a main rotary pipe section rotatably connected to a fixed fire extinguishing fluid supply pipe to receive the supply of fire extinguishing fluid; and a main rotary pipe section protruding in the direction of the rotation radius of the main rotary pipe section when viewed from the direction of the rotation axis of the main rotary pipe section. A plurality of branch rotary pipe sections that receive the distribution of the fire extinguishing fluid, a fire extinguishing fluid injection head provided in each of the branch rotary pipe sections facing backward with respect to the rotational direction thereof, and each of the fire extinguishing fluid jets from the main rotary pipe section. An injection angle adjusting section is provided at any position leading to the head so as to be able to adjust the injection angle of each of the extinguishing fluid injection heads with respect to a plane perpendicular to the direction of the rotation axis of the main rotary pipe section. and a rotary axial fire extinguishing fluid injection head that is provided at the tip of the main rotary pipe section in the direction of the rotation axis and receives the distribution of the fire extinguishing fluid. Injection device.