JPH0534073Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a reporting device for reporting the occurrence of a disaster such as a fire.

<Conventional Technology> Emergency reporting devices for fires, etc. are installed indoors in buildings, etc., or outdoors in tunnels, etc.

Conventional emergency notification devices are comprised of a large number of pushbutton switches arranged at predetermined distances, and an electric circuit in which the pushbutton switches are connected in series or in parallel.

<Problem that the invention aims to solve> Conventionally, notifications were made using electrical signals, so reporting devices installed outdoors such as in tunnels were susceptible to malfunctions caused by noise and lightning, and corrosion of electrical contacts and wires. There were problems such as.

<Means for Solving the Problems> As shown in FIG. 1 corresponding to the embodiment, the present invention includes an optical path including an optical fiber 3 and a light emitting section 11 connected to the light incident end 3a of the optical path. and a light detection unit 12 that detects the presence or absence of light at the light output end 3b of the optical path, and a plurality of optical path switches on the optical path between the light input end 3a and the output end 3b. 2...2 are arranged in series at a predetermined distance from each other, and each optical path switch 2
The opening/closing member 23 is opened/closed by pressing the operating section.
In the reporting device, the light emitting unit 11 is configured to output visible light, and each optical path switch 2 is configured to move to a position where it blocks the optical path of the opening/closing member 23. Side 2
3a is composed of a mirror surface, and the light blocking surface 23
a is arranged to be inclined with respect to the optical axis of the optical path when the opening/closing member 23 is moved to the above-mentioned blocking position, and the light is reflected by the light blocking surface 23a when the opening/closing member 23 is blocked. It is characterized by the fact that the illumination window 24 is placed on the path of the light.

<Function> When the optical path switch 2 is operated and the opening/closing member 23 is positioned on the optical path when a disaster occurs, the light emitting part 11
The visible light from the opening/closing member 23 is reflected by the opening/closing member 23 and guided to the illumination window 24, so that the illumination window 24 shines.

<Example> FIG. 1 is a diagram showing the configuration of an embodiment of the present invention.

The central monitoring device 1 includes a light emitting section 11, a light receiving section 12, and a display section 13.

Light emitting section 11 and light receiving section 12 of central monitoring device 1
are connected to an input end 3a and an output end 3b of an optical fiber 3, which are the optical paths of this reporting device, respectively.

In addition, in this reporting device, a plurality of optical path switches 2 are provided indoors or outdoors at a predetermined distance.
...2 is placed. Each optical path switch 2 is
The input end 3a and the output end 3b of the optical fiber 3 are connected in series via the optical fiber 3.

Now, the optical path switch 2 includes an operation section 21, a body section 2
2. It has a structure that includes an opening/closing member 23 and an illumination window 24. The operating section 21 is fixed to the upper part of the tubular body part 22, and the opening/closing member 23 is fixed to the lower part of the trunk part 22. This opening/closing member 23 is a reflecting mirror whose light blocking surface side is a mirror surface 23a, and is arranged at an angle of about 45 degrees with respect to the optical axis of the optical path.

Further, the illumination window 24 is provided at the upper part of the operation section 21, and the illumination window 24 and the mirror surface 23a of the opening/closing member 23 face each other through the internal space of the body section 22. Further, the optical path switch 2 is movable up and down in a direction substantially perpendicular to the optical axis of the optical path, and the operating section 2
1, when the opening/closing member 23 is pushed down in the figure, the opening/closing member 23 is positioned on the optical path and the optical path is blocked.

Then, the light emitting unit 11 of the central monitoring device 1 outputs visible light to the input end 3a of the optical fiber 3. The light receiving unit 12 detects the presence or absence of visible light at the output end 3b of the optical fiber 3. The display section 13 receives the signal from the light receiving section 12 and displays a display to notify of a disaster.

Note that a window 22a for light passage is provided in the lower part of the body 22 at a position facing the mirror surface 23a of the opening/closing member 23.

The operation of the embodiment of the present invention will be described below.

First, in normal times, the opening/closing members 23 of all the optical path switches 2 are in the upper position in the figure, the optical path is not blocked, and the visible light output from the light emitting section 11 is transmitted to the light receiving section 12.
reach. Therefore, from the light receiving section 12 to the display section 13
No signal is output to, and no display is performed on the display section 13.

Next, when a disaster occurs and the optical path switch 2 is pushed down, the optical path is blocked by the opening/closing member 23, and visible light no longer reaches the light receiving section 12. Then, the display section 13 receives the signal from the light receiving section 12 and performs a display notifying the disaster.

In addition, the optical path switch 2 operated at this time has
Visible light reaches the mirror surface 23a of the opening/closing member 23 through the opening 22a of the body section 22, and the reflected light from this mirror surface 23a passes through the internal space of the body section 22 and illuminates the illumination window 2.
Reach 4. Therefore, the operated optical path switch 2
The illumination window 24 shines brightly, making it easy to confirm that the notification has been completed.

<Effects of the invention> As explained above, according to the invention, visible light is used as a signal medium for notifications, and the opening/closing member of the optical path switch, which serves as a notification switch in the event of a disaster, is composed of a reflecting mirror. When the optical path switch is operated, visible light, which is a signal medium, is reflected by the opening/closing member and guided to the illumination window.
The caller who operates the optical path switch during a disaster can easily confirm on the spot that the report has been completed by the glow of the illuminated window, and whether or not the fact of the report has been accurately communicated through this. You don't have to worry about it.

In addition, since the present invention uses optical signals as the notification medium, there is no malfunction due to noise or lightning, and there is no corrosion of cables. Furthermore, even if the optical fiber cable is burnt out due to a fire, the system will be in the same state as operating the optical path switch, and will operate on the fail-safe side.

[Brief explanation of the drawing]

FIG. 1 is a diagram conceptually showing the configuration of an embodiment of the present invention. 1... central monitoring device, 11... light emitting section, 12...
...Light receiving unit, 2...Optical path switch, 21...Operation unit,
23... Opening/closing member, 23a... Mirror surface, 24... Lighting window, 3... Optical fiber, 3a... Incident end, 3b
...Emission end.

Claims (1)

[Scope of utility model registration request] The light path includes an optical fiber, a light emitting section connected to a light input end of the optical fiber, and a light detection section that detects the presence or absence of light at a light output end of the optical path. A plurality of optical path switches are arranged in series at a predetermined distance from each other on the optical path between the output end and each optical path switch, and each of the optical path switches can be opened and closed by pressing the operating section. In the reporting device, the light emitting section is configured to output visible light, and each of the optical path switches is configured to move to a position where the member blocks the optical path. The light blocking surface is made of a mirror surface, and the light blocking surface is arranged to be inclined with respect to the optical axis of the optical path when the opening/closing member is moved to the blocking position. and an illumination window is disposed on the traveling path of the light reflected by the light blocking surface when the light is blocked.