JPS61149171A - Sprinkler apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a sprinkler system for extinguishing a building by spraying water in the event of a fire.

[Background Art] Generally, air conditioning systems in buildings are supplied and discharged through ducts installed in the ceiling. In addition to air ducts, the space under the attic has electrical wiring.

Because sprinkler wiring, etc. are arranged, the construction work is complicated and large-scale.

In such conventional air conditioning systems, air conditioning is controlled for each room, and even if only a portion of the room is used, it is necessary to control the entire room.

This goes against energy conservation. The same applies to lighting.

For this reason, the applicant has already proposed an air conditioning system that can efficiently perform partial air conditioning and lighting (Japanese Patent Application No. 59-131251). According to this air conditioning system, the air conditioning inside the building is It is supplied and discharged from under the floor and is sent only to the areas where it is needed. Therefore, if this air conditioning system is adopted, air conditioning and power supply can be performed from under the floor, eliminating the need for installation in the ceiling. However, sprinklers for extinguishing fires have traditionally been placed in the ceiling.

Taking these circumstances into consideration, the present invention aims to provide a sprinkler watering device that is used in buildings that take out air-conditioned air indoors from under the floor, and which eliminates the need for sprinkler piping in the ceiling.

Summary and operation of the invention] The sprinkler watering device according to the present invention has an upwardly directed watering nozzle and is configured to spray water supplied from under the floor upwards.

Therefore, according to the present invention, the sprinkler piping is placed under the floor, eliminating the piping work in the ceiling and simplifying the installation. Furthermore, when the water spray nozzle is reflected from the ceiling surface, water can be sprayed over a wider area than in the conventional case where water is sprayed from the ceiling surface.

Embodiment of the Invention] FIG. 1 shows a longitudinal sectional view of a building to which a first embodiment of the invention is applied.

In this embodiment, a sprinkler pipe 14 is installed between the slab 10 and the flooring 12.

As shown in FIG. 2, branch pipes 16 are provided at appropriate positions in the sprinkler pipe 14, and are communicated with a sprinkler head 22 via a solenoid valve 18 and a flexible pipe 20. This sprinkler head 22 has a water nozzle 22 that can spray water toward the ceiling surface 24 as shown in FIG.
I have it within me.

This watering nozzle is covered with a cover 30 that forms the same plane as the carpet 28 laid on the surface of the flooring 12, but can be removed by operating a cover breaking device 32 attached to the sprinkler head 22. It has become. Specifically, gunpowder 26 having a small explosive force can be used as this cover destruction device 32, and when activated, the cover 3
0 into small pieces, which protects the sprinkler head 22 even if a resident climbs on the cover 30 indoors during normal times, but can properly spray water in the event of a fire. It looks like this.

The cover destruction device 32 is connected to the solenoid valve 18 by a signal line 34, and is activated simultaneously when the solenoid valve 18 is activated. The solenoid valve 18 is connected to a control device (not shown) via a signal line 36, and the control device opens the solenoid valve 18 when a predetermined temperature is detected by a heat sensor (not shown) or by a smoke detector. There is.

It is preferable that a plurality of such sprinkler heads 22 be arranged at appropriate positions on the flooring 12 at regular intervals. For this purpose, it is optimal to use a floor structure in which the flooring material 12 is a free access floor and a plurality of flooring materials of a predetermined area are laid adjacent to each other. You can also attach it.

To explain the operation of this embodiment, when a heat sensor or a smoke sensor (not shown) detects heat or smoke caused by a fire, a signal from this sensor is sent to the control device, and the control device
6 to the solenoid valve 18 to open the solenoid valve 18. Thereby, the supply water in the sprinkler piping 14 is sent to the sprinkler head 22. At the same time, the signal line 34 activates the cover breaking device 32 to remove the cover 30 from the sprinkler head 22 with the explosive force of the small explosives 22, so that the water supplied from the sprinkler piping 14 rises from the water nozzle 26 of the sprinkler head 22. Water is sprayed in the direction.

As shown in FIG. 1, the supplied water is reflected by the ceiling surface 24, making it possible to spray water over a wide area.

As described above, in this embodiment, since the sprinkler piping 14 is provided under the floor, construction in the ceiling is not necessary, and easy and quick construction is possible.

Next, FIG. 3 shows a second embodiment of the present invention.

In this embodiment, unlike the previous embodiment, a sprinkler head 22 is shown attached to the top of unit furniture 40 which also serves as equipment. This unit furniture 40 has a substantially cylindrical shape and has an air supply passage 42 and an air discharge passage 44 inside, and blows out the conditioned air from the air conditioner @ 46 under the floor from an air outlet 48 facing the room, and an air suction opening. 50, it can be discharged under the floor.

Such unit furniture 40 can be attached to an appropriate position on the flooring 12 via the mounting bracket 52, thereby making it possible to centrally air condition only the position desired by the occupant.

Moreover, this unit furniture 40 is designed so that a power supply line (not shown) can be connected under the floor, so that a task lighting system can be implemented that supplies lighting and signal lines only to the desired position of the occupant.

A pipe 54 from the tin crane head 22 attached to the top of the unit furniture 40 is built into the unit furniture 40 and communicates with a solenoid valve 18 under the floor via a connector 56. Similarly, it is operated by a W control device.

Therefore, in this embodiment, when the unit furniture 40 is attached to the flooring 12, by connecting the connector 56 to the sprinkler pipe 14, it is possible to easily connect the tin sprinkler head 22 and the sprinkler pipe 14, and in the event of a fire. As in the previous embodiment, water can be sprayed from the sprinkler head 22 toward the ceiling surface.

This unit furniture 40 can also be combined with other furniture such as a desk.

[Effects of the Invention] As explained above, the Splintera water spraying device according to the present invention has an upwardly directed watering nozzle and sprays water supplied from under the floor upwards, thereby eliminating piping work within the ceiling and achieving optimal firefighting activities. It has excellent effects that can contribute to.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a first embodiment of a sprinkler watering device according to the present invention, FIG. 2 is an enlarged view of a part of FIG. 1, and FIG. 3 is a second embodiment of the present invention. FIG. 3 is a sectional view corresponding to FIG. 2; lOe...Slab, 12-...Flooring material. 14...Sprinkler piping, 16...Branch pipe, 18.0 and solenoid valve, 22...Sprinkler head, 26@...Water nozzle, 401.Unit furniture, 54-...Piping, 56... ·connector.

Claims (3)

[Claims] (1) A sprinkler system characterized by having an upwardly directed watering nozzle and ejecting water supplied from under the floor upwards. (2) The sprinkler watering device according to claim 1, wherein the watering nozzle is installed on a floor surface and sprays water toward a ceiling surface. (3) The sprinkler system according to claim 1 or 2, wherein the water is sprayed over a wide area by reflecting water from the ceiling surface.