JP2009288847A - Guide light - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a guide light by which even a person who does not carry a reception terminal apparatus to surely transmit the latest disaster information by displaying information using a radio wave for terrestrial digital broadcasting on an image display installed in the guide light. <P>SOLUTION: This guide light 10 is provided with: a guide display 11 for always displaying information showing an evacuation path whose display is lawfully obliged; a transmission antenna 12 for transmitting a radio wave for ground digital broadcasting; and an image display 13 for receiving the radio wave for ground digital broadcasting transmitted from the transmission antenna 12 in order to display emergency information including characters or videos. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a guide light, and for example, relates to an improvement of a guide light provided with a transmission antenna capable of transmitting radio waves for digital terrestrial broadcasting.

  Conventionally, public buildings and the like have been obliged to install a guide light that always displays information indicating an evacuation route and an evacuation direction in order to cope with a fire. As such a guide light, a guide light control system is known in which a guide light is controlled by a control signal superimposed on an AC current of a commercial power supply (see, for example, Patent Document 1). The guide light control system described in Patent Document 1 includes a display device including a liquid crystal display board or the like on a guide light, and normal information other than the evacuation route is displayed on the display device during normal times, and an evacuation route is generated in the event of a fire. And the direction of evacuation are displayed, and a warning sound is generated to notify the user.

In addition, in order to transmit information to places where it is difficult for radio waves in the building to reach the back, a transmission antenna that can relay radio waves for digital terrestrial broadcasting is installed in the guide light, and information is transmitted to the back of the building by transmitting radio waves one after another There is also known a system that transmits information.
JP 7-193531 A

  By the way, the guide light control system described in Patent Document 1 has an emergency power source including a battery and a charger in addition to a commercial power source in the guide light, and can be switched from the commercial power source to the emergency power source in the event of a power failure. It has become. However, this guide light control system is a wired system, and control of the guide light is performed by a control signal superimposed on the AC current of the commercial power supply. There was a problem that could not be done. Also, the information that can be displayed on the display is limited to, for example, information supplied by wire from the fire center. When the commercial power supply is down, the display content can be changed to the latest information and displayed according to the situation. There was room for improvement.

  In addition, a system equipped with a transmission antenna in a guide light can relay information to the back of a building, but can transmit information only to people who have a receiving terminal device capable of receiving radio waves for digital terrestrial broadcasting. There was a problem that it was not possible.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to have a receiving terminal device by displaying information from radio waves for digital terrestrial broadcasting on an image display unit installed in a guide light. It is to provide a guide light that can reliably transmit the latest disaster information to those who have not.

  In order to achieve the above-described object, the present invention provides a guidance display unit that always displays information indicating an evacuation route or the like that has a legal obligation to display, a transmission antenna that transmits radio waves for digital terrestrial broadcasting, and the transmission antenna. And an image display unit capable of receiving the terrestrial digital broadcast radio wave transmitted from the terminal and displaying emergency information including text and video.

  In the guide light configured as described above, information that is legally required to be displayed can be always displayed on the guide display unit, and emergency information supplied by radio waves for digital terrestrial broadcasting can be displayed on the image display unit. . Therefore, in this guide light, the problem of the conventional wired system that it becomes impossible to control the guide light when the commercial power source is down is solved, and even if the commercial power source is down, it is supplied by radio waves for terrestrial digital broadcasting. The latest information can be reliably transmitted even to a person who does not have a receiving terminal device.

  In addition, the present invention includes a commercial power source and an auxiliary power source as a power source for supplying power to the guide light, and switches the power source from the commercial power source to the auxiliary power source in an emergency when the commercial power source is inoperative. It is characterized by.

  In a guide light configured in this way, when the commercial power supply is deactivated, the power supply is switched from the commercial power supply to the auxiliary power supply to supply power to the guide light. Operation can be reliably maintained, thereby continuing to provide the necessary information.

  According to the present invention, even when the commercial power supply is down, the latest information supplied by radio waves for digital terrestrial broadcasting can be reliably transmitted to a person who does not have a receiving terminal device, thereby minimizing secondary disasters. The effect that it can suppress to the limit is acquired.

  Hereinafter, a guide light according to an embodiment of the present invention will be described in detail with reference to the drawings. 1 is a front view (a) and a side view (b) showing a guide light of the present invention, FIG. 2 is a block diagram of the guide light shown in FIG. 1, and FIG. 3 is a view of a guide light installed on a ceiling. It is a front view (a) and a side view (b).

  As shown in FIG. 1 and FIG. 2, the guide light 10 of the present embodiment includes a guide display unit 11, a transmission antenna 12, and an image display unit 13, which are in a substantially rectangular case 14. Contained. The guidance display unit 11 constantly displays information such as evacuation routes and evacuation directions that are legally required to be displayed. The guidance display unit 11 is arranged in the left half area of the guide light 10 and is, for example, a picture of a person running Is displayed by a light source 15 such as a fluorescent lamp provided on the back side. A light source 15 such as a fluorescent lamp is always lit under control of a lighting circuit 16 connected to a commercial AC power source 20.

  The transmission antenna 12 is a known antenna capable of transmitting terrestrial digital broadcasting radio waves, and is connected to the antenna control unit 17. The terrestrial digital broadcast radio wave transmitted from the transmission antenna 12 is received by a tuner 19 installed in the guide light 10, and character information possessed by the digital terrestrial broadcast radio wave, video information such as a still image or a video, It is displayed on the image display unit 13. The image display unit 13 is composed of, for example, a liquid crystal display device, and is arranged in the right half region of the guide light 10.

  The guide light 10 includes an auxiliary power source 18 that is connected to a commercial power source AC and is charged by a battery or a charger (not shown). The auxiliary power supply 18 and the commercial power supply AC are electrically connected to each part of the guide lamp 10 via the switching device 20 and supply power to each part. The switching device 20 switches the circuit from the commercial power supply AC to the auxiliary power supply 18 in an emergency in which the power supply from the commercial power supply AC is stopped due to the commercial power supply AC going down or the like. Secure.

  Such a guide light 10 is suspended from a ceiling 21 and installed in a building as shown in the installation example of FIG. Then, the light source 15 such as a fluorescent lamp is always turned on by the lighting circuit 16, and information indicating an evacuation route or an evacuation direction such as a picture of a person running is constantly displayed on the guidance display unit 11.

  In addition, the image display unit 13 displays normal information transmitted from the transmission antenna 12 in normal times, for example, digital terrestrial TV images, multipurpose information such as event schedules, shopping information, etc. To do. In an emergency such as the occurrence of a fire, the switching device 20 switches the power supply from the commercial power supply AC to the auxiliary power supply 18 as necessary, and emergency information transmitted from the transmission antenna 12, such as the location of the fire, the scale of the fire, The method of evacuation is displayed.

  As described above, the guide light 10 according to the present invention includes the image display unit 13 and displays emergency information transmitted from the transmission antenna 12 by the guide light 10 itself. Important information that could only be communicated to people can be surely communicated to all people, prompting early evacuation, and minimizing damage. In addition, it is natural that information that is required to be displayed by law, such as evacuation route display, can always be displayed on the guidance display unit 11.

  Further, since the information displayed on the image display unit 13 is information obtained from radio waves for digital terrestrial broadcasting, even if the commercial power supply AC is down due to a fire or the like, the content of the information is appropriately changed to the latest information. Optimal information can be displayed.

  As for the power source of the guide light 10, in addition to switching between the two systems of the commercial power source AC and the auxiliary power source 18 as appropriate (see FIG. 2), power is supplied only from the battery 25 as shown in FIG. You may do it.

  The form and the installation position of the guide light 10 are not limited to the suspension installation from the ceiling 21 shown in FIG. 3. For example, as shown in FIG. The display unit 11 and the image display unit 13 may be individually arranged below the case 14. The guide lamp 10 in this form can be embedded in a ceiling 21 with a case 14 (control unit) that is relatively large in size, and the guide display unit 11 and the image display unit 13 that can be seen by humans can be thinned. A guide lamp 10 having excellent performance can be obtained.

  In addition, as shown in FIG. 6, a case 14 containing a control unit may be disposed on the back surface of the guidance display unit 11 and the image display unit 13 and may be embedded in the wall surface 22. According to such installation, the protruding portion from the building can be almost eliminated, and the guide light 10 does not get in the way.

  In addition, the guide light of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

  For example, in the above-described embodiment, the liquid crystal display device is exemplified as the image display unit. However, the image display unit of the present invention is not limited to this, a plasma display device, an LED display device in which a large number of LEDs are two-dimensionally arranged, and the like. The present invention can be applied to other display devices.

  In addition, the materials, shapes, dimensions, forms, numbers, placement locations, etc. of the guide light, guide display unit, transmission antenna, image display unit, auxiliary power source, etc. exemplified in the above-described embodiment can achieve the present invention. It is optional and not limited.

(A) is a front view which shows the guide light of this invention, (b) is a side view. Block diagram of the guide light shown in FIG. Front view (a) and side view (b) of a guide light installed on a ceiling It is another block diagram of a guide light. Front view (a) and side view (b) of a guide light in which parts other than the display unit are embedded in the ceiling Front view (a) and side view (b) of a guide light embedded in a wall

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Guide light 11 Guidance display part 12 Transmitting antenna 13 Image display part 18 Auxiliary power supply AC commercial power supply

Claims (2)

A guidance display section that always displays information indicating the evacuation routes that are legally required to display,
A transmission antenna for transmitting radio waves for digital terrestrial broadcasting;
An image display unit capable of receiving the terrestrial digital broadcast radio wave transmitted from the transmission antenna and displaying emergency information including text and video; and
A guide light characterized by comprising: As a power source for supplying power to the guide light, a commercial power source and an auxiliary power source are provided,
2. The guide light according to claim 1, wherein the power source is switched from the commercial power source to the auxiliary power source in an emergency in which the commercial power source is deactivated.

Images