WO2009118796A1 - Display lamp and light-emitting method of display lamp - Google Patents

Display lamp and light-emitting method of display lamp Download PDF

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Publication number
WO2009118796A1
WO2009118796A1 PCT/JP2008/001045 JP2008001045W WO2009118796A1 WO 2009118796 A1 WO2009118796 A1 WO 2009118796A1 JP 2008001045 W JP2008001045 W JP 2008001045W WO 2009118796 A1 WO2009118796 A1 WO 2009118796A1
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light
light source
storage battery
plate
time
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PCT/JP2008/001045
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French (fr)
Japanese (ja)
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小林康弘
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Kobayashi Yasuhiro
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Publication of WO2009118796A1 publication Critical patent/WO2009118796A1/en

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/18Edge-illuminated signs

Definitions

  • the present invention relates to an indicator lamp, and more particularly to a guide lamp that can contribute to improvement of safety measures in the event of a power failure.
  • Guide lights are equipment used to evacuate in the event of a fire or other disaster, and there are places where it is required by law to install guide lights. Normally, it is lit by electric power supplied from the outside, and is lit by a storage battery as an emergency power source in the event of a power failure. Guide lights are stipulated by laws and regulations, an emergency power supply is installed, the emergency power supply is a storage battery facility, and the capacity is such that the guide light can operate effectively for a predetermined time. (Enforcement Ordinance of Fire Service Act, Article 26, Paragraph 2, Article 28-3, Paragraph 4, Item 10). The same kind of regulations have been established for emergency lights (Building Standards Law Enforcement Order Article 126-5).
  • the emergency power supply must operate effectively for 20 minutes in principle for emergency lights and 30 minutes for emergency lights. Therefore, even if conventional indicator lights such as guide lights, marker lights, and emergency lights are suddenly turned off due to a power failure or the like during normal use, the light source is immediately turned on again by the built-in battery, and it takes 30 to 40 minutes (maximum 1 hour). ) Built-in re-lighting system that maintains the same brightness as normal.
  • the performance of the phosphorescent material has been improved (see, for example, Patent Document 1), and it is used for indicator lamps or display boards such as guide lights, marker lights, and emergency lights.
  • the indicator lamp emits light by the afterglow of the phosphorescent material for a certain period of time after the power consumption of the storage battery has been completed in the event of a power failure.
  • an indicator lamp and a display board with low power consumption can be created.
  • a storage panel and a storage battery that can store commercial AC power are provided by arranging a storage panel and an excitation means (black light) that can irradiate light of a specific wavelength behind a transparent or translucent message layer.
  • an excitation means black light
  • a message display facility characterized in that when the illuminance is low, the energizing means (black light) is intermittently turned on for a certain period of time with the stored power from the storage battery and the light energy is periodically stored in the storage panel.
  • the indicator lamp can emit light in the dark as long as possible in order to ensure safety and relieve the psychological anxiety of the victim.
  • the message display facility of Patent Document 2 is recognized by a person by reflected light of ambient light or afterglow of a phosphorescent panel. Therefore, it is difficult to apply the message display facility to a place where high emission luminance is required by the display facility itself, such as a place where ambient light is difficult to enter, because the amount of light emission is insufficient. In addition, it is desired to use the characteristics of the phosphorescent material more efficiently so that the phosphorescent material emits afterglow for a long time. In addition, because of the regulations of the Fire Service Law and the Building Standard Law as described above, the message display facility disclosed in Patent Document 2 cannot be applied to the guide light specified by the Fire Service Law or the emergency light specified by the Building Standard Law. .
  • the present invention provides an indicator lamp that illuminates a light source with a storage battery for a certain period of time immediately after a power failure (satisfying legal standards) and that also emits light for a long time using the characteristics of the phosphorescent material.
  • the purpose is to provide.
  • a new phosphorescent plate and a time cycle control unit at the time of continuous power failure are incorporated into the conventional relighting system, taking full advantage of the phosphorescent material.
  • An indicator lamp (1) includes a light source (2), a phosphorescent material (5), a light guide plate (3) for guiding light from the light source to at least the phosphorescent plate, and a built-in power source (7).
  • the light source (2) is turned on for a predetermined time by the built-in power source (7) when the power supply source to the light source and the switch (12) for switching on / off and the external power supply are cut off, and then the light source (2 And a control unit (15) for controlling the switch (12) so as to alternately turn off and on.
  • the indicator lamp (1) according to claim 2 of the present invention is the indicator lamp (1) according to claim 1, wherein the control section (15) is configured to control the remaining of the phosphorescent plate detected by the optical sensor (8).
  • the switch (12) is controlled according to light.
  • the indicator lamp (1) according to claim 3 of the present invention is the indicator lamp (1) according to claim 1 or 2, wherein the control unit (15) is a person around that is detected by the human sensor (10).
  • the switch (12) is controlled according to the presence or absence of.
  • the light-emission method of the indicator lamp (1) which concerns on Claim 4 of this invention is a light-guide plate (3) which guides the light of a light source (2), a luminous material (5), and a light source (2) at least to the said luminous plate.
  • the light source (2) is turned on for a certain period of time, and then the switch (12) is controlled so as to alternately turn off and turn on the light source (2).
  • the indicator lamp can emit light efficiently for a long time, the safety of traffic is improved, and the laws and regulations relating to the guide light and emergency light are satisfied.
  • the present invention is advantageous in that it does not increase the size and cost of the indicator lamp.
  • the present invention is advantageous in that light can be emitted for a long time by power saving regardless of the type of light source.
  • FIG. 1 shows a guide light 1 as an embodiment of the present invention.
  • FIG. 1 shows an evacuation exit guide light defined by the Fire Service Law, but the present invention is not limited to this, and can be applied to display lights in general.
  • the indicator lamp includes a guide lamp, a marker lamp, an emergency lamp, and the like.
  • FIG. 2 schematically shows a longitudinal section of a guide lamp as an embodiment based on the present invention.
  • the guide lamp 1 includes a light source 2, a light guide plate 3, a display panel 4, a light storage plate 5, a system panel 6, a storage battery 7, and an optical sensor 8 inside.
  • An LED with low power consumption is suitable for the light source 2, but a fluorescent lamp, a cold cathode tube, or the like may be used.
  • the light guide plate 3 is placed in the direction of light emitted from the light source 2.
  • the light guide plate 3 diffuses light incident from one direction.
  • the light guide plate 3 has a vertical and horizontal cut line of about 2 mm on one side of a transparent acrylic plate by laser cutting.
  • the display panel 4 is placed in the direction (3a) in which light is diffused by the light guide plate 3.
  • the display panel 4 is a transparent or translucent plate.
  • the display panel 4 is made of a material that can clearly display the characters or designs.
  • the phosphorescent plate 5 is in close contact with the surface (3b) where the light guide plate 3 is cut in the opposite direction to the display panel 4 with respect to the light guide plate 3. Moreover, it arrange
  • the phosphorescent plate 5 has afterglow properties. In particular, it is preferable to have long persistence. For example, a resin plate kneaded with a long afterglow phosphorescent pigment or a plate coated with a paint containing a long afterglow phosphorescent pigment.
  • the system panel 6 is wired with the light source 2, the storage battery 7, the optical sensor 8, the external power supply 9, and the human sensor 10.
  • the system panel 6 includes a power failure sensor 11, a switch 12, a timer 13, and a storage battery control device 14.
  • the power failure sensor 11 is wired with an external power source to detect a power failure.
  • the switch 12 is wired to the power failure sensor 11 so that the external power source 9 is connected to the light source 2 and the storage battery 7 at the time of non-power failure, and the power supply from the storage battery 7 to the light source 2 can be intermittently performed at the time of power failure.
  • the storage battery control device 14 wired with the timer 13, the optical sensor 8, and the human sensor 10 controls the switch 12 during a power failure.
  • the storage battery 7 can be a nickel-cadmium storage battery, but is not limited to this, and may be another storage battery, or other built-in battery such as a dry battery if the law does not obligate the use of the storage battery. It can be replaced with a power supply.
  • the optical sensor 8 is placed in the direction of the display panel 4 with respect to the light guide plate 3 (FIG. 2). Further, it is installed toward the light guide plate 3.
  • the human sensor 10 is installed inside or outside the indicator lamp 1 toward the passage. Further, it is wired with the system panel 6.
  • FIG. 4 shows the flow of control.
  • the system board 6 turns on the light source 2 with the power from the external power source 9 (ST1).
  • the storage battery 7 is charged.
  • Light emitted from the light source 2 is diffused in a right angle direction by the light guide plate 3, and on the other hand, the guide lamp 1 is caused to emit light through the display panel 4, and the light storage plate 5 is irradiated on the other hand.
  • the phosphorescent plate 5 absorbs light energy and accumulates light when irradiated with light.
  • the power supply to the light source 2 is switched from the external power supply 9 to the storage battery 7 that is a built-in power supply (ST3).
  • the light emitted from the light source 2 displays the display panel 4 with the same brightness as before the power failure, and the light is stored in the phosphorescent plate using the light.
  • the longer one of the time required to be lit by the lights stipulated by laws and regulations or the time sufficient to store the light has elapsed (ST4), the supply of electricity from the storage battery 7 to the light source 2 is stopped (ST5).
  • the afterglow of the phosphorescent plate 5 passes through the light guide plate 3 and the display panel 4, so that the guide lamp 1 emits light.
  • the human sensor 10 reacts to turn on the light source 2 (ST6, ST7).
  • ST8 When a person moves away (or a certain period of time elapses) (ST8), the light source 2 is turned off (ST9).
  • the optical sensor 8 reacts (ST10), the light source 2 is turned on again by the storage battery 7, and the light from the guide lamp 1 and the phosphorescent plate 5 are stored. (ST11, ST13).
  • the time for causing the guide lamp 1 to emit light only by the afterglow of the phosphorescent plate 5 may be set in advance by a timer.
  • FIG. 5a is a diagram showing the light emission time of the guide lamp 1 according to the embodiment of the present invention (when there is no traffic during a power failure).
  • Ta1 is a time determined by law that the guide light must be lit after a power failure.
  • Tbj (j is an integer of 1 or more) is a time for causing the guide lamp 1 to emit light only by the afterglow of the phosphorescent plate.
  • FIG. 5b is a diagram showing the light emission time of the guide lamp 1 according to the embodiment of the present invention (when there is a person's traffic during a power failure).
  • the human sensor 10 reacts to turn on the light source 2.
  • the light source 2 is turned off. Since the surroundings are brightly illuminated and the display on the display panel 4 is easily recognized, people can pass more safely.
  • FIG. 6 is a diagram showing the light emission time at the time of a power failure of a conventional guide light.
  • T'a is a time during which the storage battery 7 can turn on the light source 2
  • T'b is a time during which the guide lamp 1 is caused to emit light only by the afterglow of the phosphorescent plate.
  • the conventional system and the present invention are compared.
  • the storage battery 7 has the capacity to light the light source 2 for 40 minutes, the time for which the light storage plate 5 absorbs light energy is uniformly set to 10 minutes, and the afterglow has a predetermined emission luminance. Assuming an average drop time of 110 minutes.
  • the light source is turned on for about 40 minutes (T'a) until there is no remaining battery, and then there is afterglow for 110 (T'b) for a total of about 150 minutes. Brightness cannot be secured (see FIG. 6).
  • the light source 2 is turned on for 20 minutes (Ta1) after the power failure (time defined by the Fire Service Act), the afterglow of the phosphorescent plate 5 for 110 minutes (Tb1), 10 minutes ( The lighting of the light source 2 for Ta2), the afterglow of the phosphorescent plate 5 for 110 minutes (Tb2), the lighting of the light source 2 for 10 minutes (Ta3), the afterglow of the phosphorescent plate 5 for 110 minutes (Tb3), and so on.
  • the brightness can be ensured for a minute (see FIG. 5a).
  • the light emission time of the guide lamp can be extended.
  • Tai may be set to the same time or different times.
  • Tbi when the intensity of afterglow of the phosphorescent plate 5 detected by the optical sensor 8 is changed, or when Tbi is controlled by a timer, Tbi may be set to the same time or different times.
  • FIG. 1 It is a perspective view of the guide light which is an Example of this invention. It is a longitudinal cross-sectional view of the guide light shown in FIG. It is the block diagram which showed the control method of this invention. It is a flowchart of the light emission method of an indicator lamp.
  • A It is a figure which shows the light emission condition (no human traffic) at the time of the power failure of the guide light which concerns on this invention.
  • B It is a figure which shows the light emission condition (with the passage of a person) at the time of the power failure of the guide light which concerns on this invention. It is a figure which shows the light emission condition at the time of the power failure of the conventional guide light.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

A display lamp lights up using commercial power at normal time and lights up using a storage battery built in the lamp in case of power outage. Provided is a display lamp which can emit light for a long time reducing the consumption power of the storage battery (7) in case of power outage. An optical source (2) is intermittently lighted by use of the power of the storage battery (7) by controlling the discharge of the storage battery (7) by using a timer, an optical sensor (8), or a human sensor (10). When the light is on, light is stored in a light storage plate (5). When the light is off, the display lamp (1) is allowed to emit light by the remaining light of the light storage plate (5).

Description

表示灯及び表示灯の発光方法Indicator lamp and light emission method of indicator lamp
 本発明は、表示灯に関し、特に、停電時の安全対策の向上に寄与し得る誘導灯に関するものである。 The present invention relates to an indicator lamp, and more particularly to a guide lamp that can contribute to improvement of safety measures in the event of a power failure.
 誘導灯は、火災等の災害が発生した場合に避難するために用いられる設備であり、誘導灯を設置することが法令で義務付けられている場所もある。通常は外部から供給される電力により点灯し、停電時には非常電源である蓄電池によって点灯する。誘導灯は、法令により灯火であること、非常電源を附置すること、非常電源は蓄電池設備であること、及びその容量は誘導灯を有効に所定の時間作動できる容量であること等が定められている(消防法施行令26条2項、同施行規則28条の3第4項10号)。非常灯についても同種の規定が定められている(建築基準法施行令126条の5)。平成20年3月現在、誘導灯は原則20分間、非常灯は原則30分間非常電源が有効に作動しなければならない。従って、従来の誘導灯、標識灯及び非常灯等の表示灯は、通常使用中、停電等により突然消灯しても、すぐに内蔵電池により光源が再点灯し、30~40分(最大1時間)程度、通常時と同等の明るさを保つ再点灯システムが組み込まれている。 Guide lights are equipment used to evacuate in the event of a fire or other disaster, and there are places where it is required by law to install guide lights. Normally, it is lit by electric power supplied from the outside, and is lit by a storage battery as an emergency power source in the event of a power failure. Guide lights are stipulated by laws and regulations, an emergency power supply is installed, the emergency power supply is a storage battery facility, and the capacity is such that the guide light can operate effectively for a predetermined time. (Enforcement Ordinance of Fire Service Act, Article 26, Paragraph 2, Article 28-3, Paragraph 4, Item 10). The same kind of regulations have been established for emergency lights (Building Standards Law Enforcement Order Article 126-5). As of March 2008, the emergency power supply must operate effectively for 20 minutes in principle for emergency lights and 30 minutes for emergency lights. Therefore, even if conventional indicator lights such as guide lights, marker lights, and emergency lights are suddenly turned off due to a power failure or the like during normal use, the light source is immediately turned on again by the built-in battery, and it takes 30 to 40 minutes (maximum 1 hour). ) Built-in re-lighting system that maintains the same brightness as normal.
 また、近年は蓄光材の性能が向上し(例えば、特許文献1参照)、誘導灯、標識灯及び非常灯等の表示灯又は表示板に利用される。これを表示灯に用いると、停電時に、蓄電池の電力を消費し終えた後も、なお一定時間、蓄光材の残光により表示灯が発光する。また、法令で灯火であることが義務付けられていない場所で使用する場合には、消費電力の少ない表示灯及び表示板が作成できる。 In recent years, the performance of the phosphorescent material has been improved (see, for example, Patent Document 1), and it is used for indicator lamps or display boards such as guide lights, marker lights, and emergency lights. When this is used for the indicator lamp, the indicator lamp emits light by the afterglow of the phosphorescent material for a certain period of time after the power consumption of the storage battery has been completed in the event of a power failure. In addition, when used in a place where it is not required to be lit by law, an indicator lamp and a display board with low power consumption can be created.
 例えば、特許文献2によると、透明又は半透明のメッセージ層の後ろに蓄光パネル及び特定波長の光を照射できる励行手段(ブラックライト)を配置し、商用交流電力を蓄積できる蓄電池を有し、周囲の照度が低い場合に蓄電池からの蓄積電力で励行手段(ブラックライト)を間欠的に一定時間ずつ点灯させて蓄光パネルに光エネルギを定期的に蓄積させることを特徴とするメッセージ表示設備が開示されている。
特開平7-11250号公報 特開2001-147655号公報
For example, according to Patent Document 2, a storage panel and a storage battery that can store commercial AC power are provided by arranging a storage panel and an excitation means (black light) that can irradiate light of a specific wavelength behind a transparent or translucent message layer. Disclosed is a message display facility characterized in that when the illuminance is low, the energizing means (black light) is intermittently turned on for a certain period of time with the stored power from the storage battery and the light energy is periodically stored in the storage panel. ing.
JP 7-11250 A JP 2001-147655 A
 しかし、蓄光材を用いた表示灯でも、長時間停電が続くと、非常電源である蓄電池が切れ、蓄光材による残光も消える。被災者が地下室に閉じ込められた場合等を想定すると、安全性を確保し、被災者の心理的不安感を和らげるためにも、できるだけ長い時間、暗闇で表示灯を発光できることが望ましい。 However, even with an indicator light using a phosphorescent material, if a power failure continues for a long time, the storage battery, which is an emergency power source, is cut off, and the afterglow caused by the phosphorescent material disappears. Assuming that the victim is confined in the basement, it is desirable that the indicator lamp can emit light in the dark as long as possible in order to ensure safety and relieve the psychological anxiety of the victim.
 特許文献2のメッセージ表示設備は、周囲光の反射光又は蓄光パネルの残光により人に認識される。従って、周囲光が入りにくい場所のように、表示設備自体により高い発光輝度が求められる場所に、当該メッセージ表示設備を適用することは、発光量が不足するため、困難である。また、より効率的に蓄光材の特性を利用し、長時間蓄光材が残光を発するようにすることが望まれる。なお、上述のような消防法及び建築基準法の規制があるため、特許文献2で開示されるメッセージ表示設備を、消防法規定の誘導灯又は建築基準法規定の非常灯に適用することはできない。 The message display facility of Patent Document 2 is recognized by a person by reflected light of ambient light or afterglow of a phosphorescent panel. Therefore, it is difficult to apply the message display facility to a place where high emission luminance is required by the display facility itself, such as a place where ambient light is difficult to enter, because the amount of light emission is insufficient. In addition, it is desired to use the characteristics of the phosphorescent material more efficiently so that the phosphorescent material emits afterglow for a long time. In addition, because of the regulations of the Fire Service Law and the Building Standard Law as described above, the message display facility disclosed in Patent Document 2 cannot be applied to the guide light specified by the Fire Service Law or the emergency light specified by the Building Standard Law. .
 このような状況に鑑み、本発明は、停電直後から一定の時間は蓄電池により光源を点灯し(法令の基準を満たし)、かつ、その後も蓄光材の特性を生かして長い時間発光する表示灯を提供することを目的とする。 In view of such a situation, the present invention provides an indicator lamp that illuminates a light source with a storage battery for a certain period of time immediately after a power failure (satisfying legal standards) and that also emits light for a long time using the characteristics of the phosphorescent material. The purpose is to provide.
 このような課題を解決するために、蓄光材の利点を最大限に生かして、従来の再点灯システムに新たに蓄光板及び停電継続時のタイムサイクル制御部を組み入れる。 In order to solve such a problem, a new phosphorescent plate and a time cycle control unit at the time of continuous power failure are incorporated into the conventional relighting system, taking full advantage of the phosphorescent material.
 本発明の請求項1に係る表示灯(1)は、光源(2)と、蓄光材(5)と、光源の光を少なくとも蓄光板に導く導光板(3)と、内蔵電源(7)と、光源への電気の供給元及び点灯消灯を切り替えるスイッチ(12)と、外部供給電源が途絶えたときに、内蔵電源(7)により、一定時間光源(2)を点灯させ、その後、光源(2)の消灯と点灯とを交互に繰り返すように、スイッチ(12)を制御する制御部(15)とを備えることを特徴とする。 An indicator lamp (1) according to claim 1 of the present invention includes a light source (2), a phosphorescent material (5), a light guide plate (3) for guiding light from the light source to at least the phosphorescent plate, and a built-in power source (7). The light source (2) is turned on for a predetermined time by the built-in power source (7) when the power supply source to the light source and the switch (12) for switching on / off and the external power supply are cut off, and then the light source (2 And a control unit (15) for controlling the switch (12) so as to alternately turn off and on.
 また、本発明の請求項2に係る表示灯(1)は、請求項1に記載の表示灯(1)において、制御部(15)は、光センサ(8)が検知する前記蓄光板の残光に応じてスイッチ(12)を制御することを特徴とする。 Further, the indicator lamp (1) according to claim 2 of the present invention is the indicator lamp (1) according to claim 1, wherein the control section (15) is configured to control the remaining of the phosphorescent plate detected by the optical sensor (8). The switch (12) is controlled according to light.
 また、本発明の請求項3に係る表示灯(1)は、請求項1又は2に記載の表示灯(1)において、制御部(15)は、人センサ(10)が検知する周囲の人の有無に応じてスイッチ(12)を制御することを特徴とする。 Moreover, the indicator lamp (1) according to claim 3 of the present invention is the indicator lamp (1) according to claim 1 or 2, wherein the control unit (15) is a person around that is detected by the human sensor (10). The switch (12) is controlled according to the presence or absence of.
 また、本発明の請求項4に係る表示灯(1)の発光方法は、光源(2)と、蓄光材(5)と、光源(2)の光を少なくとも前記蓄光板に導く導光板(3)と、内蔵電源(7)と、前記光源への電気の供給元及び点灯消灯を切り替えるスイッチとを有する表示灯(12)において、外部供給電源が途絶えたときに、内蔵電源(7)により、一定時間光源(2)を点灯させ、その後、光源(2)の消灯と点灯とを交互に繰り返すように、スイッチ(12)を制御することを特徴とする。 Moreover, the light-emission method of the indicator lamp (1) which concerns on Claim 4 of this invention is a light-guide plate (3) which guides the light of a light source (2), a luminous material (5), and a light source (2) at least to the said luminous plate. ), A built-in power supply (7), and an indicator lamp (12) having a switch for switching on and off the electricity supply source to the light source, when the external power supply is interrupted, the built-in power supply (7) The light source (2) is turned on for a certain period of time, and then the switch (12) is controlled so as to alternately turn off and turn on the light source (2).
 このように、本発明によれば、表示灯を効率的に長時間発光でき、通行の安全性を高め、かつ、誘導灯及び非常灯に関する法令の基準を満たす。 Thus, according to the present invention, the indicator lamp can emit light efficiently for a long time, the safety of traffic is improved, and the laws and regulations relating to the guide light and emergency light are satisfied.
 なお、蓄電池の容量を大きくすることでもこのような効果を得ることができるが、表示灯の大型化及び高コスト化を招く。本発明によれば、表示灯の大型化及び高コスト化を招かない点で有利である。 Such an effect can also be obtained by increasing the capacity of the storage battery, but this leads to an increase in the size and cost of the indicator lamp. The present invention is advantageous in that it does not increase the size and cost of the indicator lamp.
 導光板を配し、光の方向を変えることで、光源の光で表示灯を発光させながら、効率的に蓄光板に蓄光できる。 By arranging the light guide plate and changing the direction of the light, it is possible to efficiently store the light on the light storage plate while causing the indicator lamp to emit light with the light of the light source.
 光源への供給電力を低レベルに抑えることにより、蓄電池の消費電力を削減し長時間表示灯を点灯することも考えられるが、蛍光灯又は白熱灯のような光源を用いると点灯しないか又はエネルギ効率が悪くなる。本発明は、光源の種類を問わずに省電力化による長時間発光が可能な点で有利である。 Although it is conceivable to reduce the power consumption of the storage battery and turn on the indicator lamp for a long time by suppressing the power supplied to the light source to a low level, if a light source such as a fluorescent lamp or an incandescent lamp is used, it will not light or Inefficiency. The present invention is advantageous in that light can be emitted for a long time by power saving regardless of the type of light source.
 以下に添付の図面を参照して本発明について詳細に説明する。 Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
 ≪実施形態の構成≫
 図1は、本発明の実施例として、誘導灯1を示している。図1は、消防法により定められた避難口誘導灯を示すが、本発明はこれに限定されず、表示灯一般に適用できる。ここで表示灯とは、誘導灯、標識灯及び非常灯等を含む。
<< Configuration of Embodiment >>
FIG. 1 shows a guide light 1 as an embodiment of the present invention. FIG. 1 shows an evacuation exit guide light defined by the Fire Service Law, but the present invention is not limited to this, and can be applied to display lights in general. Here, the indicator lamp includes a guide lamp, a marker lamp, an emergency lamp, and the like.
 図2は、本発明に基づく実施例としての誘導灯の縦断面を模式的に示したものである。 FIG. 2 schematically shows a longitudinal section of a guide lamp as an embodiment based on the present invention.
 誘導灯1は、内部に光源2、導光板3、表示パネル4、蓄光板5、システム盤6、蓄電池7及び光センサ8を有する。 The guide lamp 1 includes a light source 2, a light guide plate 3, a display panel 4, a light storage plate 5, a system panel 6, a storage battery 7, and an optical sensor 8 inside.
 光源2には、消費電力の小さいLEDが適するが、蛍光灯や冷陰極管等を用いてもよい。 An LED with low power consumption is suitable for the light source 2, but a fluorescent lamp, a cold cathode tube, or the like may be used.
 導光板3は、光源2から出る光の方向に置かれる。導光板3は、一方向から入射した光を拡散させる物で、例えば、透明なアクリル板の片面にレーザーカットにて2mm程度の縦横のカット線が入った物である。 The light guide plate 3 is placed in the direction of light emitted from the light source 2. The light guide plate 3 diffuses light incident from one direction. For example, the light guide plate 3 has a vertical and horizontal cut line of about 2 mm on one side of a transparent acrylic plate by laser cutting.
 表示パネル4は、導光板3により光が拡散される方向(3a)に置かれる。表示パネル4は、透明又は半透明の板である。表示パネル4の上に文字又は図柄が印刷される場合は、表示パネル4は、明瞭にその文字又は図柄を表示できる素材で作られる。 The display panel 4 is placed in the direction (3a) in which light is diffused by the light guide plate 3. The display panel 4 is a transparent or translucent plate. When characters or designs are printed on the display panel 4, the display panel 4 is made of a material that can clearly display the characters or designs.
 蓄光板5は、導光板3に対して表示パネル4と反対方向の、導光板3のカットが入った面(3b)に密着される。また、外部から視認可能なように配置される。蓄光板5は、残光性を有する。特に、長残光性を有することが好ましい。例えば、長残光性蓄光顔料を練りこんだ樹脂板又は長残光性蓄光顔料の入った塗料で塗布した板である。 The phosphorescent plate 5 is in close contact with the surface (3b) where the light guide plate 3 is cut in the opposite direction to the display panel 4 with respect to the light guide plate 3. Moreover, it arrange | positions so that it can visually recognize from the outside. The phosphorescent plate 5 has afterglow properties. In particular, it is preferable to have long persistence. For example, a resin plate kneaded with a long afterglow phosphorescent pigment or a plate coated with a paint containing a long afterglow phosphorescent pigment.
 システム盤6は、光源2、蓄電池7、光センサ8、外部電源9及び人センサ10と配線される。システム盤6は、図3に示すように、停電センサ11、スイッチ12、タイマ13及び蓄電池制御装置14を含む。停電センサ11は、停電を検知するため外部電源と配線される。スイッチ12は、停電センサ11と配線されており、非停電時においては、外部電源9を光源2及び蓄電池7につなぎ、停電時においては、蓄電池7から光源2への通電を間欠的に行えるように設置される。タイマ13、光センサ8および人センサ10と配線された蓄電池制御装置14は、停電時にスイッチ12を制御する。 The system panel 6 is wired with the light source 2, the storage battery 7, the optical sensor 8, the external power supply 9, and the human sensor 10. As shown in FIG. 3, the system panel 6 includes a power failure sensor 11, a switch 12, a timer 13, and a storage battery control device 14. The power failure sensor 11 is wired with an external power source to detect a power failure. The switch 12 is wired to the power failure sensor 11 so that the external power source 9 is connected to the light source 2 and the storage battery 7 at the time of non-power failure, and the power supply from the storage battery 7 to the light source 2 can be intermittently performed at the time of power failure. Installed. The storage battery control device 14 wired with the timer 13, the optical sensor 8, and the human sensor 10 controls the switch 12 during a power failure.
 蓄電池7は、ニッケル・カドミウム蓄電池を用いることができるが、これに限定されず、他の蓄電池でもよく、また、法令で蓄電池を使用することが義務付けられていない場合には乾電池等の他の内蔵電源に換えることもできる。 The storage battery 7 can be a nickel-cadmium storage battery, but is not limited to this, and may be another storage battery, or other built-in battery such as a dry battery if the law does not obligate the use of the storage battery. It can be replaced with a power supply.
 光センサ8は、導光板3に対して表示パネル4の方向に置かれる(図2)。また、導光板3の方向に向けて設置される。 The optical sensor 8 is placed in the direction of the display panel 4 with respect to the light guide plate 3 (FIG. 2). Further, it is installed toward the light guide plate 3.
 人センサ10は、表示灯1の内部又は外部に、通路に向けて設置される。また、システム盤6と配線される。 The human sensor 10 is installed inside or outside the indicator lamp 1 toward the passage. Further, it is wired with the system panel 6.
 ≪実施形態の機能≫
 図4は、制御の流れを示している。
<< Functions of Embodiment >>
FIG. 4 shows the flow of control.
 通常時において、システム盤6は、外部電源9からの電力により光源2を点灯させる(ST1)。また、同時に蓄電池7を充電する。光源2より発せられた光は、導光板3により直角方向に拡散され、一方で表示パネル4を通して誘導灯1を発光させ、他方で蓄光板5に照射される。蓄光板5は、光が照射されることにより光エネルギーを吸収し蓄光する。 In the normal time, the system board 6 turns on the light source 2 with the power from the external power source 9 (ST1). At the same time, the storage battery 7 is charged. Light emitted from the light source 2 is diffused in a right angle direction by the light guide plate 3, and on the other hand, the guide lamp 1 is caused to emit light through the display panel 4, and the light storage plate 5 is irradiated on the other hand. The phosphorescent plate 5 absorbs light energy and accumulates light when irradiated with light.
 停電時においては、システム盤6が停電を検知すると(ST2)、光源2への供給電源を外部電源9から内蔵電源である蓄電池7に切り替える(ST3)。光源2の発する光は停電前と同等の明るさで表示パネル4を表示し、その光を利用して蓄光板に蓄光する。法令で定められる灯火により点灯しなければならない時間又は蓄光するのに十分な時間のいずれか長い方の時間が経過したら(ST4)、蓄電池7から光源2への電気の供給を止める(ST5)。すると、蓄光板5の残光が導光板3及び表示パネル4を通ることにより、誘導灯1が発光する。光源2の消灯中に人が近づくと、人センサ10が反応して光源2を点灯させる(ST6、ST7)。人が遠ざかる(又は一定時間経過する)と(ST8)、光源2を消灯させる(ST9)。その後、蓄光板5の残光の光量が所定の値以下になると光センサ8が反応し(ST10)、再び、蓄電池7により光源2を点灯し誘導灯1の発光及び蓄光板5の蓄光を行う(ST11、ST13)。以降、蓄電池7の起電力が不足するまで(ST12)、蓄電池7の電力を消費する蓄光過程と蓄電池7の電力を消費しない残光過程を繰り返す(ST5~ST13)ことで、蓄電池7の消費電力を削減し、長時間表示灯1の発光を保つことができる(図5a、図5b参照)。なお、ST10において、光センサ8を用いる代わりに、蓄光板5の残光のみにより誘導灯1を発光させる時間を、あらかじめタイマで設定してもよい。 In the event of a power failure, when the system panel 6 detects a power failure (ST2), the power supply to the light source 2 is switched from the external power supply 9 to the storage battery 7 that is a built-in power supply (ST3). The light emitted from the light source 2 displays the display panel 4 with the same brightness as before the power failure, and the light is stored in the phosphorescent plate using the light. When the longer one of the time required to be lit by the lights stipulated by laws and regulations or the time sufficient to store the light has elapsed (ST4), the supply of electricity from the storage battery 7 to the light source 2 is stopped (ST5). Then, the afterglow of the phosphorescent plate 5 passes through the light guide plate 3 and the display panel 4, so that the guide lamp 1 emits light. When a person approaches while the light source 2 is turned off, the human sensor 10 reacts to turn on the light source 2 (ST6, ST7). When a person moves away (or a certain period of time elapses) (ST8), the light source 2 is turned off (ST9). Thereafter, when the amount of afterglow of the phosphorescent plate 5 becomes a predetermined value or less, the optical sensor 8 reacts (ST10), the light source 2 is turned on again by the storage battery 7, and the light from the guide lamp 1 and the phosphorescent plate 5 are stored. (ST11, ST13). Thereafter, until the electromotive force of the storage battery 7 becomes insufficient (ST12), the light storage process that consumes the power of the storage battery 7 and the afterglow process that does not consume the power of the storage battery 7 are repeated (ST5 to ST13). And the light emission of the indicator lamp 1 can be maintained for a long time (see FIGS. 5a and 5b). In ST10, instead of using the optical sensor 8, the time for causing the guide lamp 1 to emit light only by the afterglow of the phosphorescent plate 5 may be set in advance by a timer.
 図5aは、本発明の実施例である誘導灯1の発光時間を示す図である(停電中に人の通行がない場合)。Ta1は、停電後、誘導灯を点灯させなければならないとして法令で定められる時間である。Tai(iは2以上の整数)は蓄光板に光エネルギーを吸収させる時間である。Ta1に相当する時間が法令で定められていない場所で使用する場合は、Ta1は省略できる。Tbj(jは1以上の整数)は蓄光板の残光のみによって誘導灯1を発光させる時間である。 FIG. 5a is a diagram showing the light emission time of the guide lamp 1 according to the embodiment of the present invention (when there is no traffic during a power failure). Ta1 is a time determined by law that the guide light must be lit after a power failure. Tai (i is an integer of 2 or more) is a time for the light storage plate to absorb light energy. Ta1 can be omitted when used in a place where the time corresponding to Ta1 is not stipulated by law. Tbj (j is an integer of 1 or more) is a time for causing the guide lamp 1 to emit light only by the afterglow of the phosphorescent plate.
 図5bは、本発明の実施例である誘導灯1の発光時間を示す図である(停電中に人の通行がある場合)。光源2の消灯中に人が近づくと、人センサ10が反応して光源2を点灯させる。人が遠ざかる(又は一定時間経過する)と、光源2を消灯させる。周囲を明るく照らし、表示パネル4の表示も認識しやすくなるので、人がより安全に通行できる。 FIG. 5b is a diagram showing the light emission time of the guide lamp 1 according to the embodiment of the present invention (when there is a person's traffic during a power failure). When a person approaches while the light source 2 is turned off, the human sensor 10 reacts to turn on the light source 2. When a person moves away (or when a certain time elapses), the light source 2 is turned off. Since the surroundings are brightly illuminated and the display on the display panel 4 is easily recognized, people can pass more safely.
 図6は、従来の誘導灯の停電時の発光時間を示す図である。T’aは蓄電池7が光源2を点灯できる時間、T’bは蓄光板の残光のみによって誘導灯1を発光させる時間である。 FIG. 6 is a diagram showing the light emission time at the time of a power failure of a conventional guide light. T'a is a time during which the storage battery 7 can turn on the light source 2, and T'b is a time during which the guide lamp 1 is caused to emit light only by the afterglow of the phosphorescent plate.
 図6及び図5aを参照して、従来システムと本発明を比較する。例えば、停電中人の往来がなく、蓄電池7が光源2を40分間点灯する容量を持ち、蓄光板5に光エネルギーを吸収させる時間を一律に10分間と設定し、残光が所定の発光輝度まで落ちる時間を平均110分間と仮定する。従来システムの場合、停電後、蓄電池の残量なくなるまで約40分(T’a)程度光源が点灯し、その後110(T’b)分間蓄光板の残光があり、合計約150分程度しか明るさを確保できない(図6参照)。一方、本発明によるタイムサイクルシステムがある場合、停電後20分間(Ta1)の光源2の点灯(消防法で規定される時間)、110分間(Tb1)の蓄光板5の残光、10分間(Ta2)の光源2の点灯、110分間(Tb2)の蓄光板5の残光、10分間(Ta3)の光源2の点灯、110分間(Tb3)の蓄光板5の残光、と続き、合計370分間明るさを確保できる(図5a参照)。このように、誘導灯の発光時間を拡大できる。 Referring to FIGS. 6 and 5a, the conventional system and the present invention are compared. For example, there is no traffic during a power failure, the storage battery 7 has the capacity to light the light source 2 for 40 minutes, the time for which the light storage plate 5 absorbs light energy is uniformly set to 10 minutes, and the afterglow has a predetermined emission luminance. Assuming an average drop time of 110 minutes. In the case of the conventional system, after the power failure, the light source is turned on for about 40 minutes (T'a) until there is no remaining battery, and then there is afterglow for 110 (T'b) for a total of about 150 minutes. Brightness cannot be secured (see FIG. 6). On the other hand, when there is a time cycle system according to the present invention, the light source 2 is turned on for 20 minutes (Ta1) after the power failure (time defined by the Fire Service Act), the afterglow of the phosphorescent plate 5 for 110 minutes (Tb1), 10 minutes ( The lighting of the light source 2 for Ta2), the afterglow of the phosphorescent plate 5 for 110 minutes (Tb2), the lighting of the light source 2 for 10 minutes (Ta3), the afterglow of the phosphorescent plate 5 for 110 minutes (Tb3), and so on. The brightness can be ensured for a minute (see FIG. 5a). Thus, the light emission time of the guide lamp can be extended.
 なお、Taiは、それぞれ等しい時間又は異なる時間に設定してもよい。同様に、光センサ8が検知する蓄光板5の残光の強さを変化させたり、Tbiをタイマで制御する場合にはTbiをそれぞれ等しい時間又は異なる時間に設定してもよい。 Note that Tai may be set to the same time or different times. Similarly, when the intensity of afterglow of the phosphorescent plate 5 detected by the optical sensor 8 is changed, or when Tbi is controlled by a timer, Tbi may be set to the same time or different times.
本発明の実施例である誘導灯の斜視図である。It is a perspective view of the guide light which is an Example of this invention. 図1に示した誘導灯の縦断面図である。It is a longitudinal cross-sectional view of the guide light shown in FIG. 本発明の制御方法を示したブロック図である。It is the block diagram which showed the control method of this invention. 表示灯の発光方法のフローチャートである。It is a flowchart of the light emission method of an indicator lamp. (a)本発明に係る誘導灯の停電時における発光状況(人の通行なし)を示す図である。(b)本発明に係る誘導灯の停電時における発光状況(人の通行あり)を示す図である。(A) It is a figure which shows the light emission condition (no human traffic) at the time of the power failure of the guide light which concerns on this invention. (B) It is a figure which shows the light emission condition (with the passage of a person) at the time of the power failure of the guide light which concerns on this invention. 従来の誘導灯の停電時における発光状況を示す図である。It is a figure which shows the light emission condition at the time of the power failure of the conventional guide light.
符号の説明Explanation of symbols
1 誘導灯
2 光源
3 導光板
4 表示パネル
5 蓄光板
6 システム盤
7 蓄電池
8 光センサ
10 人センサ
DESCRIPTION OF SYMBOLS 1 Guide light 2 Light source 3 Light guide plate 4 Display panel 5 Light storage plate 6 System panel 7 Storage battery 8 Optical sensor 10 Human sensor

Claims (4)

  1.  光源と、
     蓄光材と、
     前記光源の光を少なくとも前記蓄光板に導く導光板と、
     内蔵電源と、
     前記光源への電気の供給元及び点灯消灯を切り替えるスイッチと、
     外部供給電源が途絶えたときに、前記内蔵電源により、一定時間前記光源を点灯させ、その後、前記光源の消灯と点灯とを交互に繰り返すように、前記スイッチを制御する制御部とを備えることを特徴とする表示灯。
    A light source;
    Phosphorescent material,
    A light guide plate for guiding light from the light source to at least the phosphorescent plate;
    Built-in power supply,
    A switch that switches between a source of electricity to the light source and turning on and off;
    A control unit that controls the switch so that when the external power supply is interrupted, the light source is turned on for a certain period of time by the built-in power source, and then the light source is turned off and turned on alternately. Characteristic indicator light.
  2.  前記制御部は、光センサが検知する前記蓄光板の残光に応じて前記スイッチを制御することを特徴とする請求項1に記載の表示灯。 The indicator lamp according to claim 1, wherein the control unit controls the switch in accordance with an afterglow of the phosphorescent plate detected by an optical sensor.
  3.  前記制御部は、人センサが検知する周囲の人の有無に応じて前記スイッチを制御することを特徴とする請求項1又は2に記載の表示灯。 The indicator lamp according to claim 1 or 2, wherein the control unit controls the switch according to the presence or absence of a surrounding person detected by a human sensor.
  4.  光源と、
     蓄光材と、
     前記光源の光を少なくとも前記蓄光板に導く導光板と、
     内蔵電源と、
     前記光源への電気の供給元及び点灯消灯を切り替えるスイッチとを有する表示灯において、
     外部供給電力が途絶えたときに、前記内蔵電源により、一定時間前記光源を点灯させ、その後、前記光源の消灯と点灯とを交互に繰り返すように、前記スイッチを制御することを特徴とする表示灯の発光方法。
    A light source;
    Phosphorescent material,
    A light guide plate for guiding light from the light source to at least the phosphorescent plate;
    Built-in power supply,
    In an indicator lamp having a switch that switches between turning on and off the electricity supply source to the light source,
    When the external power supply is interrupted, the built-in power supply turns on the light source for a certain period of time, and then controls the switch so that the light source is turned off and on alternately. Luminescence method.
PCT/JP2008/001045 2008-03-24 2008-04-22 Display lamp and light-emitting method of display lamp WO2009118796A1 (en)

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