JP2016091678A - Guide light, chair, and guide light system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mitigate a load of a manager of a facility in which a guide light is installed, such as a theater, in performing management and inspection of the facility.SOLUTION: A guest seat guide light system 1 comprises: a distribution board 10 for receiving power from a commercial AC power supply 80; and a guest seat guide light 20 to which power is supplied from the AC power supply at normal time and is supplied from a power storage unit at the time of outage. The guest seat guide light comprises: a DC power input unit 21 including an external terminal to which a fireproof cable is connected; and a light emitting unit 24 that includes a light emitting diode and makes the light emitting diode emit light by using DC power supplied to the DC power input unit. The power storage unit 14 is provided at the distribution board to mitigate a load of management and inspection.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a guide light, a chair, and a guide light system.

The guide lights are located at the upper part of the evacuation exit or in the nearest effective area for evacuation and indicate the evacuation exit guide light, the passage guide lights provided in each part of the hallway or passage to indicate the evacuation direction, and the passenger seat There is a guide light for passenger seats that illuminates the surrounding feet and gives effective illuminance for evacuation.
In relation to these guide lights, as a lighting facility for illuminating the feet around the passenger seat, a lighting facility including a battery such as a storage battery is known so that the illumination can be maintained even when the power is cut off (see Patent Documents 1 and 2). .

Japanese Utility Model Publication No.59-65409 JP 2012-110548 A

  By applying a battery to the guide light, lighting can be maintained even when the power is cut off, while checking the battery becomes a burden. For example, in a passenger's guide light equipped with a battery such as a storage battery, it is necessary to periodically check the remaining capacity of the battery so that the illumination time can be secured in an emergency, which is a burden on the manager of the facility. When there are a large number of auditory guide lights, such as in a large theater, the burden on the facility manager is particularly large.

  The present invention provides a guide light, a chair, and a guide light system that can reduce the burden on the manager of the facility.

  According to the first aspect of the present invention, the guide lamp uses a DC power input unit having an external terminal to which a fireproof cable is connected, a light emitting diode, and DC power supplied to the DC power input unit. A light emitting section for emitting light from the light emitting diode.

  The light emitting unit is provided between the DC power input unit and the light emitting unit, has a diode bridge, and directs DC power in a predetermined direction regardless of the direction of the DC power supplied to the DC power input unit. You may make it provide the reverse connection prevention part which outputs toward.

  The DC power input unit may be supplied with DC power having a voltage lower than that of commercial power.

  The DC power input unit may be supplied with 24 V DC power.

  According to the second aspect of the present invention, the chair includes any one of the above-described passenger seat guide lights as the passenger seat guide lights.

  According to the third aspect of the present invention, the guide light system includes a switchboard and a guide light, and the switchboard receives supply of power from a commercial power supply, and converts the power from the commercial power supply to DC power. An AC / DC conversion unit that converts and outputs; and a power storage unit that has a rechargeable battery and outputs DC power at the time of a power failure of the commercial power supply, wherein the guide lamp includes a light emitting diode, and the DC power input A light emitting unit that causes the light emitting diode to emit light using DC power supplied to the unit is provided, and the switchboard and the guide light are connected by a fireproof cable.

  The guide light may be a passenger seat guide light provided on a chair.

  According to the guide light, chair, and guide light system described above, the burden on the manager of the facility can be reduced.

It is a schematic block diagram which shows the function structure of the passenger seat guide light system in one Embodiment of this invention. It is a schematic perspective view which shows the example of installation to the passenger seat of the passenger seat guide light in the same embodiment. FIG. 3 is a layout diagram illustrating a layout example of a passenger seat guide light system in a theater in the embodiment. It is a circuit diagram which shows the circuit structural example of the passenger seat guide light in the same embodiment. It is a schematic external view which shows the example of the external shape of the back surface of the passenger guide light in the same embodiment. It is a figure which shows the wiring example of the fireproof cable from the switchboard in the same embodiment to a passenger seat guide light.

Hereinafter, although embodiment of this invention is described, the following embodiment does not limit the invention concerning a claim. In addition, not all the combinations of features described in the embodiments are essential for the solving means of the invention.
In the following, a case where the guide light is a passenger seat guide light will be described as an example, but the guide light in the present embodiment is not limited to the passenger seat guide light. For example, the guide light in the present embodiment may be an escape exit guide light or a passage guide light.

FIG. 1 is a schematic block diagram illustrating a functional configuration of a passenger seat guide light system according to an embodiment of the present invention. In the figure, a passenger seat guide light system 1 includes a switchboard 10 and a passenger seat guide light 20. The switchboard 10 includes an AC input unit 11, a transformer unit 12, an AC / DC conversion unit 13, a power storage unit 14, and a DC output unit 15. The passenger seat guide lamp 20 includes a DC power input unit 21, a reverse connection prevention unit 22, a constant current circuit 23, and a light emitting unit 24. In addition, the switchboard 10 is connected to a commercial power source 80 and one or more passenger seat guide lights 20.
In addition, the number of the distribution boards with which the passenger seat guide light system 1 is provided may be one, or may be two or more. For example, the passenger seat guide light system 1 may include two switchboards that form a duplex system.

For example, in a theater or the like, the passenger seat guide light system 1 supplies electric power to a passenger seat guide light 20 provided on a chair of a passenger seat to illuminate a passage. This point will be described with reference to FIGS.
FIG. 2 is a schematic perspective view showing an installation example of the passenger seat guide light 20 in the passenger seat. In the figure, a passenger seat guide light 20 is installed in a chair 90 of the passenger seat. The passenger seat guide lamp here refers to a lamp provided in a passage portion of a passenger seat in a theater or the like, and gives illuminance effective for evacuation to the floor surface of the passenger seat.

The chair 90 is a chaise longue provided in a facility such as a movie theater or a theater.
The passenger seat guide light 20 is installed on the side surface of the chair 90 and emits light downward. Thereby, the passenger seat guide light 20 illuminates the passage next to the chair 90.
Thus, the passenger seat guide light 20 is provided on the chair of the passenger seat and illuminates the feet around the passenger seat. In particular, the passenger seat guide light 20 provides illuminance effective for evacuation in the event of an emergency such as a fire.
However, the installation location of the passenger seat guide light 20 on the chair 90 is not limited to the side surface of the chair 90. For example, the passenger seat guide light 20 may be installed on the front side or the rear side of the lower surface of the seat portion of the chair 90 so as to illuminate the passage around the chair 90.

FIG. 3 is an arrangement diagram showing an arrangement example of the passenger seat guide light system 1 in the theater. In the same figure, the passenger seat guide lights 20 are arranged on the side surface of the chair 90 with some intervals such as every other row. The passenger seat guide light 20 and the switchboard 10 are connected by a power cable of a route W11, and power is supplied from the switchboard 10 to each of the passenger seat guide lights 20. Each of the passenger seat guide lights 20 emits light downward by the power from the switchboard 10 to illuminate the passage, so that the passage next to the passenger seat can be shown to the customer, and the evacuation of the customer can be supported particularly in an emergency. .
Note that a fireproof cable is used as the power cable of the path W11, and power can be supplied from the switchboard 10 to each of the passenger seat guide lights 20 even in the event of a fire. As the fire-resistant cable, for example, a wire having heat resistance equal to or higher than the heat-resistant class C wire specified in the fire resistance test method of the JIS A1304 building structure part is used.

Returning to FIG. 1, the switchboard 10 converts the AC 100 volt (V) commercial power source from the commercial power source 80 into 24 VDC and supplies 24 VDC power to each of the passenger seat guide lights 20.
The AC input unit 11 has an external terminal and receives AC 100 volt power supplied from a commercial power source. An external terminal here is a terminal to which a cable from the outside of the device itself (the switchboard 10 in the case of the AC input unit 11) is connected.
The transformer 12 includes a transformer circuit such as a transformer, and transforms (steps down) the AC power received by the AC input unit 11. In addition, by allowing the voltage ratio in the transformer 12 to be switched, the switchboard 10 may receive power other than AC 100 volts, such as AC 200 volts.

The AC / DC converter 13 includes an AC / DC converter such as a rectifier circuit using a diode bridge and a smoothing circuit such as a capacitor. The AC / DC converter 13 converts the AC power transformed by the transformer 12 into DC. It converts to electric power and outputs electric power of DC 24 volts. The rectifier circuit here is a circuit that converts alternating current into direct current.
The power storage unit 14 has a storage battery with a rated voltage of 24 volts, and is charged with DC power from the AC / DC conversion unit 13. The power storage unit 14 outputs (discharges) 24 VDC power when the power from the AC / DC conversion unit 13 is cut off, for example, when a commercial power failure occurs.
The power storage unit 14 may be provided outside the switchboard 10 such that the power storage unit 14 is configured as an independent device.

  The DC output unit 15 has an external terminal, and outputs 24 VDC power from the AC / DC conversion unit 13 or the power storage unit 14 from the external terminal. For example, the DC output unit 15 includes a changeover switch between the AC / DC conversion unit 13 and the power storage unit 14, and switches the switch depending on whether power is supplied from the AC / DC conversion unit 13. Alternatively, the power storage unit 14 may perform float charging so that charging / discharging is automatically switched depending on whether power is supplied from the AC / DC conversion unit 13.

  A fireproof cable is used for the route W11, and the switchboard 10 and each of the passenger seat guide lights 20 are connected. The fireproof cable of the path W11 is connected to the DC output unit 15 on the switchboard 10 side, and supplies 24 VDC power output from the DC output unit 15 to each of the passenger seat guide lights 20.

As described with reference to FIG. 2, the passenger seat guide light 20 is provided on the chair of the passenger seat and illuminates the feet around the passenger seat.
The DC power input unit 21 has an external terminal to which the fireproof cable of the path W11 is connected, and is supplied with 24 VDC power output from the DC output unit 15 of the switchboard 10.
The reverse connection prevention unit 22 includes a diode bridge used in the rectifier circuit, and outputs DC power in a predetermined direction toward the light emitting unit 24 regardless of the direction of the DC power supplied to the DC power input unit 21. To do.
The constant current circuit 23 is configured using, for example, a three-terminal regulator IC (Integrated Circuit), and stabilizes the current of the DC power from the reverse connection prevention unit 22.
The light emitting unit 24 includes a light emitting diode (LED), and causes the light emitting diode to emit light using DC power supplied to the DC power input unit 21. The light emitting unit 24 illuminates the feet around the passenger seat by the light emission of the light emitting diode as described with reference to FIG.

FIG. 4 is a circuit diagram showing a circuit configuration example of the passenger seat guide light 20. In the circuit shown in the figure, a fireproof cable of a path W11 (FIG. 1) is connected to the external terminal TM1 and is supplied with 24 VDC power from the switchboard 10. One of the plus and minus two poles of the fireproof cable is connected to the terminal W of the external terminal TM1, and the other is connected to the terminal B.
On the terminal B side, a fuse F1 is provided for circuit protection from overcurrent.
For example, a circuit including the external terminal TM1 such as the external terminal TM1 and the fuse F1 corresponds to an example of the DC power input unit 21.

Here, the wiring of the fireproof cable to the external terminal TM1 will be described with reference to FIG. 5 and FIG.
FIG. 5 is a schematic external view showing an example of the external shape of the back surface of the passenger seat guide light 20 (the surface installed facing the chair 90). As shown in the figure, the external terminal TM1 is arranged in a direction in which the fireproof cable is inserted from the back surface of the passenger seat guide light 20. Further, in FIG. 5, terminals B and W of the external terminal TM1 are shown. As described above, one of the plus and minus two poles of the fireproof cable is connected to the terminal W of the external terminal TM1, and the other is connected to the terminal B.

  FIG. 6 is a diagram illustrating a wiring example of a fireproof cable from the switchboard 10 to the passenger seat guide light 20. The fireproof cable of the route W11 is wired in an unobstructed place such as under the floor, for example, and connects the switchboard 10 and the passenger seat guide light 20 to each other. The outlet box 70 is provided under the floor of the leg of the chair 90, and a fireproof cable is started up. The fireproof cable is wired to the external terminal TM1 of the passenger seat guide light 20 through the inside of the leg of the chair 90, for example.

Returning to FIG. 4, the electric power received by the external terminal TM1 is output to the diode bridge circuit DB1. The diode bridge circuit DB1 outputs DC power with the same polarity regardless of whether the positive pole or the negative pole is connected to the W terminal of the external terminal TM1.
The circuit including the diode bridge circuit DB1 corresponds to an example of the reverse connection prevention unit 22.

The electric power output from the diode bridge circuit DB1 is input to the variable three-terminal regulator U1. The variable three-terminal regulator functions as a constant current power source to stabilize the current. An electrostatic discharge (ESD) protection capacitor D1 and a capacitor C1 that removes high frequency are provided between the diode bridge circuit DB1 and the variable three-terminal regulator U1. Further, the voltage and current are adjusted by the resistors R1 to R3.
For example, a circuit including the variable three-terminal regulator U1 such as the variable three-terminal regulator U1, the electrostatic discharge (ESD) protection capacitor D1, the capacitor C1, and the resistors R1 to R3 corresponds to an example of the constant current circuit 23.

  The electric power from the variable three-terminal regulator U1 is supplied to the light emitting diode substrate D2 via the terminal CN1. The light emitting diode substrate D2 causes the light emitting diode to emit light with the electric power from the variable three-terminal regulator U1.

As described above, the passenger seat guide light 20 is supplied with DC power by the fireproof cable connected to the external terminal TM1. Thereby, even if it is set as the structure which does not install a storage battery in the passenger seat guide light 20, such as installing a storage battery in the switchboard 10, it can receive light supply from the switchboard 10 and output light in the event of an emergency such as a fire. Since it is not necessary to provide a storage battery in the passenger seat guide light 20, the manager of the facility (for example, a theater) in which the passenger seat guide light 20 is installed periodically checks the remaining capacity of the storage battery for each of the passenger seat guide lights 20. This is unnecessary, and the burden on the administrator can be reduced in this respect. The administrator only has to confirm the remaining capacity of the storage battery of the switchboard 10. For example, when the passenger-seat guidance light system 1 includes one switchboard 10 and the switchboard 10 has one storage battery, What is necessary is just to confirm the remaining capacity of a storage battery.
Moreover, the manufacturing cost of the passenger seat guide light 20 can be reduced in that the passenger seat guide light 20 does not need to have a storage battery.

Further, since it is not necessary to provide a storage battery in the passenger seat guide light 20, the passenger seat guide light 20 does not need to include parts for testing the state of the storage battery (for example, a light emitting diode for charge monitoring and a check switch). . In this respect, the manufacturing cost of the passenger seat guide light 20 can be reduced, and the passenger seat guide light 20 can be reduced in size.
Moreover, the possibility of failure is reduced by simplifying the configuration of the passenger seat guide light 20. In this respect, the passenger seat guide light 20 is highly reliable. In addition, the passenger seat guide light 20 is highly reliable in that it includes a light emitting diode having a longer life as an electric power source than an incandescent bulb.

  In the passenger seat guide light 20, a reverse connection prevention unit 22 having a diode bridge circuit DB <b> 1 is provided between the DC power input unit 21 and the light emitting unit 24. The reverse connection prevention unit 22 outputs DC power in a predetermined direction toward the light emitting unit 24 regardless of the direction of the DC power supplied to the DC power input unit 21. Thereby, when connecting a fireproof cable to the passenger seat guide light 20, it is not necessary to consider the polarity (plus pole, minus pole) of the fireproof cable, and the wiring workability is improved.

  The DC power input unit 21 is supplied with DC power having a voltage lower than that of commercial power. Thereby, a low-voltage circuit element can be used without the need for the passenger seat guide light 20 to include a step-down circuit, and the manufacturing cost of the passenger seat guide light 20 can be reduced.

  Further, the DC power input unit 21 is supplied with 24V DC power having high versatility. Thereby, a general-purpose circuit element can be used in the passenger seat guide light 20, and the manufacturing cost of the passenger seat guide light 20 can be further reduced.

  The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and includes design changes and the like without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 1 Passenger seat guide light system 10 Distribution board 11 AC input part 12 Transformer part 13 AC / DC conversion part 14 Power storage part 15 DC output part 20 Passenger seat light 21 DC power input part 22 Reverse connection prevention part 23 Constant current circuit 24 Light emission part

Claims (7)

A DC power input having an external terminal to which a fireproof cable is connected;
A light emitting unit that has a light emitting diode and causes the light emitting diode to emit light using DC power supplied to the DC power input unit;
Guide light with.   The light emitting unit is provided between the DC power input unit and the light emitting unit, has a diode bridge, and directs DC power in a predetermined direction regardless of the direction of the DC power supplied to the DC power input unit. The guide light of Claim 1 provided with the reverse connection prevention part which outputs toward.   The guide lamp according to claim 1 or 2, wherein the DC power input unit is supplied with DC power having a voltage lower than that of commercial power.   The guide light according to claim 3, wherein the DC power input unit is supplied with DC power of 24 volts.   The chair provided with the guide light as described in any one of Claim 1 to 4 as a passenger seat guide light. It has a switchboard and a guide light,
The switchboard is
An AC / DC converter that receives supply of power from a commercial power source, converts the power from the commercial power source into DC power, and outputs the DC power;
A power storage unit that has a rechargeable battery and outputs DC power during a power failure of the commercial power source,
With
The guide lamp includes a light emitting diode, and includes a light emitting unit that causes the light emitting diode to emit light using DC power supplied from the switchboard.
The switchboard and the guide light are connected by a fireproof cable,
Guide light system.   The guide light system according to claim 6, wherein the guide light is a passenger seat guide light provided on a chair.

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