JP2578580B2 - Emergency alarm device and emergency alarm system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency alarm device and an emergency alarm system for alarming an emergency at a work site or the like.

[0002]

2. Description of the Related Art A conventional emergency alarm device consumes electric power of a battery because it is connected to a coil or the like when switching to an emergency power supply. For this reason, there has been a type in which the capacity of the emergency power supply is checked. Furthermore, an emergency power supply was only provided for each emergency alarm device. In addition, emergency situations were announced only by bell.

[0003]

When switching to the emergency power supply for a long time, it is troublesome to check the capacity of the emergency power supply, and the alarm time may be shortened or a malfunction may occur. was there. Also, in a long and noisy place such as a tunnel, it is difficult to reliably inform an operator of an emergency with only the bell. In darker places, the location of the push button was difficult to understand.
Further, when the battery is insufficient, there is a fear that the operating time of the bell is shortened or the bell is not operated.

[0004]

An emergency alarm device and an emergency alarm system according to the present invention have solved the above-mentioned problems and are as follows. That is, a battery unit for supplying power to the circuit when switching to the emergency power supply, a switch unit connected in parallel with the battery unit for turning on or off the supply of power from the battery unit to the circuit, and a switch. And a control unit for controlling voltage supply to an interlocking terminal composed of a relay connected in series with the switch unit in order to control power supply inside the circuit according to the operation of the unit. Also, according to the operation of the switch section,
A controlled emergency display rotating light (patlight), a timer, or the like may be provided. Illumination means for illuminating the switch unit even when switching to the emergency power supply may be provided. Further, the emergency alarm system may be configured to connect the interlocking terminals of a plurality of emergency alarm devices and connect the respective battery units in parallel. In the case of an emergency alarm system, a timer may be provided for only one emergency alarm device.

[0005]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a circuit diagram showing an embodiment of the present invention, which is roughly divided into a power supply unit 1 and a power supply unit 1 for obtaining a DC power supply voltage by rectifying and smoothing an AC voltage of a commercial power supply or the like. And a warning board circuit section 3 as an emergency power supply for supplying power to the circuit when no power is supplied from the battery.

The power supply unit 1 includes a lamp 7 for checking whether power is supplied from the AC power supply 5, a relay coil 9 for switching between the AC power supply 5 and the battery 19, and a voltage transformed by the transformer 11. It comprises a rectifier 13 for rectification, a resistor 15 for smoothing, a capacitor 17 and the like.

The battery section 2 is composed of a battery 19 connected in series by a fuse.

The alarm panel circuit section 3 is turned on by pressing the switch 21. When the switch 21 is pressed, power is supplied to the relay coil 27 and the relay coil 29. When power is supplied to the relay coil 27, the relay contacts 31,
33 and 35 are turned on. When the relay contact 33 is turned on, power is supplied to the relay coil 39, and the relay contacts 41 and 42 are turned on. At this time, the interlocking terminals R2 and S2 are connected to other emergency alarm devices as shown in FIG. 2, and the battery units 2 of the plurality of emergency alarm devices are connected in parallel. The relay contacts 41 and 42 may be turned on in response to power supply to the relay coil 27. Further, only one of the relay contacts 41 and 42 may be provided. When the relay contact 35 is turned on, the bell 43 sounds and the patrol light 45 is turned on. When power is supplied to the relay coil 29, the relay contacts 37 and 38
Turns on. Terminals 108 and 109 are used to indicate where switch 21 has been pressed. The lamp 46 connected to the terminal 109 is provided in a display panel as shown in FIG. 3 so that the place where the switch 21 is pressed can be confirmed.

When the switch 47 is pressed, the alarm panel circuit 3 supplies power to the relay coil 49, and the relay contact 51
Is turned off by turning off. When the emergency power source is switched, the relay contact 65 is on, and when the switch 21 is pressed, the relay contact 33 is turned on, and the timer 53 starts operating. When the preset time elapses, the switch 5
5 operates and the alarm board circuit section 3 is turned off in the same manner as when the switch 47 is pressed.

Power is supplied to the alarm panel circuit section 3 when the power is supplied from the AC power supply 5.
Is performed when the relay contacts 57 and 61 are turned on. At this time, since the relay contact 59 is also turned on, the battery 19 is charged. When the power supply from the AC power supply 5 is stopped, the relay contacts 6
Battery part 2 which is an emergency power supply when 3 is turned on
Switch to Also, when switching to emergency power, LE
The low power lamp 67 such as D is turned on again by the battery unit 2. Although not shown, the lamp 67 is connected to the switch 21.
It may be constituted so that it may become one.

FIG. 2 shows a wiring method when a plurality of emergency alarm devices are installed. Since the interlocking terminals R2 and S2 and the terminals 108 and 109 have been described above, the description will be omitted. Since the terminals 101 and 102 of each emergency alarm device are connected in parallel as shown, when the switch 21 of one emergency alarm device is pressed, power is supplied to the relay coil 27 of another emergency alarm device. As described above, the bells 42 of all the emergency alarm devices connected through the operation described above sound and the patrol lights 45 are turned on. Since the terminals 104 of each emergency alarm device are also connected as shown, the switch 47 of any connected emergency alarm device is connected.
Pressing turns off all emergency alert devices. In addition, since all emergency alarm devices are turned off by one timer, the system may be configured so that only one timer is provided.

[0012]

As described above, according to the present invention, even if the state of switching to the emergency power source continues for a long time, the operation time of the bell is shortened or disabled because the batteries of the plurality of emergency alarm devices are connected in parallel. There is no danger of causing an operation and the like, and the worker can be reliably informed of an emergency by the bell and the emergency display rotating light. Even in dark places, the location of the push button can be easily identified.

[Brief description of the drawings]

FIG. 1 is a circuit diagram showing one embodiment of the present invention.

FIG. 2 is a diagram showing a wiring method when a plurality of emergency alarm devices according to an embodiment of the present invention are installed.

FIG. 3 is a display panel for displaying which of the emergency alarm devices of a plurality of emergency alarm devices according to an embodiment of the present invention has operated;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Power supply part 2 Battery part 3 Alarm board circuit part 5 AC power supply 9 Relay coil 19 Battery 21 Switch 23 Switch 25 Switch 27 Relay coil 29 Relay coil 31 Relay contact 33 Relay contact 35 Relay contact 37 Relay contact 38 Relay contact 39 Relay coil 41 relay contact 42 relay contact R2 interlocking terminal S2 interlocking terminal 43 bell 45 patrol light 47 switch 49 relay coil 51 relay contact 53 timer 55 switch 57 relay contact 61 relay contact 63 relay contact 65 relay contact 67 lamp

Claims (5)

(57) [Claims] 1. A battery unit; a switch unit connected in parallel with the battery unit; and a control unit connected in series with the switch unit for controlling power supply to the interlocking terminal from the battery unit. An emergency alarm device characterized by the following. 2. The emergency alarm device according to claim 1, further comprising an emergency display rotating light that is started simultaneously with the start of power supply to the interlocking terminal. 3. The emergency alarm device according to claim 1, further comprising illumination means for illuminating said switch. 4. The emergency alarm device according to claim 1, further comprising a timer that starts at the same time as the start of power supply to the interlocking terminal. 5. The emergency alarm system according to claim 1, wherein said emergency terminal comprises a plurality of emergency alarm devices connected to said interlocking terminal.