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JP6443789B2 - lighting equipment - Google Patents
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JP6443789B2 - lighting equipment - Google Patents

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JP6443789B2
JP6443789B2 JP2013141977A JP2013141977A JP6443789B2 JP 6443789 B2 JP6443789 B2 JP 6443789B2 JP 2013141977 A JP2013141977 A JP 2013141977A JP 2013141977 A JP2013141977 A JP 2013141977A JP 6443789 B2 JP6443789 B2 JP 6443789B2
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power supply
light source
power source
source
normal mode
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JP2015015191A (en
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敦志 入川
敦志 入川
俊伸 大森
俊伸 大森
晋司 小出
晋司 小出
猛 陣内
猛 陣内
慎吾 小野
慎吾 小野
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Panasonic Intellectual Property Management Co Ltd
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Description

本発明は、照明器具に関するものである。   The present invention relates to a lighting fixture.

従来より、外部電源の停電時にバッテリを電源として発光ダイオードを点灯させる非常用の照明装置が提供されている(例えば特許文献1参照)。   Conventionally, an emergency lighting device has been provided that turns on a light emitting diode using a battery as a power source in the event of a power failure of an external power supply (see, for example, Patent Document 1).

特許文献1に記載された照明装置は、外部電源の停電を検出する停電検出回路と、外部電源が正常に供給されている状態で外部電源によりバッテリを充電する充電回路とを備える。また、照明装置は、外部電源の交流を所定電圧の直流に変換して発光ダイオードに供給する常用点灯回路と、外部電源の停電時にバッテリを電源として発光ダイオードを点灯させる非常用点灯回路とを備える。   The lighting device described in Patent Literature 1 includes a power failure detection circuit that detects a power failure of an external power source, and a charging circuit that charges a battery with the external power source while the external power source is normally supplied. In addition, the lighting device includes a normal lighting circuit that converts alternating current from an external power source into direct current of a predetermined voltage and supplies the light emitting diode to the light emitting diode, and an emergency lighting circuit that lights the light emitting diode by using a battery as a power source when the external power supply fails .

この照明装置は、外部電源が正常に供給されている間は常用点灯回路により発光ダイオードを所定の点灯レベルで点灯させ、且つ充電回路によりバッテリを充電する。そして、停電検出回路により外部電源の停電が検出されると常用点灯回路から非常用点灯回路に切り替えられ、非常用点灯回路により発光ダイオードを上記点灯レベルよりも高い点灯レベルで点灯させる。   In this lighting device, while the external power supply is normally supplied, the light emitting diode is turned on at a predetermined lighting level by the regular lighting circuit, and the battery is charged by the charging circuit. When a power failure of the external power supply is detected by the power failure detection circuit, the normal lighting circuit is switched to the emergency lighting circuit, and the light emitting diode is lit at a lighting level higher than the lighting level by the emergency lighting circuit.

特開2007−73193号公報JP 2007-73193 A

上述の特許文献1に示した照明装置では、外部電源が停電になると点灯が不要な場合(例えば周囲が明るい)であっても点灯させているため、それ以降に点灯が必要な状況が生じた場合に点灯できない可能性があった。   In the illumination device shown in Patent Document 1 described above, when the external power supply is turned off, lighting is performed even when lighting is unnecessary (for example, the surroundings are bright), and thus a situation that requires lighting after that has occurred. There was a possibility that it could not be lit.

本発明は上記問題点に鑑みて為されたものであり、その目的とするところは、外部電源の停電時において点灯が必要な状況で点灯可能な照明器具を提供することにある。   The present invention has been made in view of the above problems, and an object of the present invention is to provide a lighting apparatus that can be lit in a situation where lighting is necessary in the event of a power failure of an external power source.

本発明の照明器具は、光源と、非常用電源と、外部電源が正常に供給されている状態では前記外部電源により前記非常用電源を充電する充電部と、前記外部電源の停電時に前記非常用電源により前記光源を点灯させる点灯部と、前記点灯部の動作を制御する制御部と、周囲の状況を検知するための検知部とを備え、前記制御部は、前記光源を点灯させる通常モードと、前記光源を前記通常モードより減光させる休止モードとを有し、前記外部電源が停電になると前記検知部の検知結果に応じて前記通常モード又は前記休止モードを選択し、前記制御部は、前記外部電源の停電時に前記通常モードを選択した場合、前記外部電源の停電から一定時間が経過するまで前記通常モードを継続し、前記一定時間が経過すると前記検知部の検知結果に応じて前記通常モード又は前記休止モードを選択することを特徴とする。 The lighting fixture of the present invention includes a light source, an emergency power supply, a charging unit that charges the emergency power supply by the external power supply in a state where the external power supply is normally supplied, and the emergency use in the event of a power failure of the external power supply. A lighting unit that turns on the light source by a power source; a control unit that controls the operation of the lighting unit; and a detection unit that detects a surrounding situation; and the control unit includes a normal mode in which the light source is turned on. the pre-Symbol light source and a dormant mode for dimmed from said normal mode, said selects the normal mode or the suspend mode in response to an external power source is a power failure the detection portion of the detection results, the control unit When the normal mode is selected at the time of the power failure of the external power supply, the normal mode is continued until a certain time has elapsed since the power failure of the external power supply, and when the certain time has elapsed, the detection unit responds to the detection result. And selects the normal mode or the sleep mode Te.

本発明の構成によれば、検知部の検知結果により点灯が不要であると判断された場合には、休止モードを選択することで非常用電源の残量を温存することができ、それ以降で点灯が必要な状況が生じた場合にも点灯させることができるという効果がある。   According to the configuration of the present invention, when it is determined that the lighting is unnecessary according to the detection result of the detection unit, the remaining amount of the emergency power supply can be preserved by selecting the sleep mode, and thereafter There is an effect that it can be lit even when a situation requiring lighting occurs.

本実施形態の照明器具の一例を示す概略ブロック図である。It is a schematic block diagram which shows an example of the lighting fixture of this embodiment. (a)は同上の照明器具の外観図、(b)は同上の別の照明器具の外観図である。(A) is an external view of a lighting fixture same as the above, (b) is an external view of another lighting fixture same as the above. (a)〜(f)は同上の照明器具の動作を説明する説明図である。(A)-(f) is explanatory drawing explaining operation | movement of a lighting fixture same as the above. (a)〜(f)は同上の別の照明器具の動作を説明する説明図である。(A)-(f) is explanatory drawing explaining operation | movement of another lighting fixture same as the above. (a)〜(d)は従来の照明器具の動作を説明する説明図である。(A)-(d) is explanatory drawing explaining operation | movement of the conventional lighting fixture.

以下に、照明器具の実施形態について図1〜図5を参照しながら説明する。なお、以下の説明では、本照明器具を非常灯に適用した場合を例に説明するが、本照明器具を誘導灯(避難口誘導灯、通路誘導灯、階段通路誘導灯など)に適用してもよく、本実施形態に限定されない。   Below, embodiment of a lighting fixture is described, referring FIGS. In the following explanation, the case where this lighting apparatus is applied to an emergency light will be described as an example. However, this lighting apparatus is applied to a guide light (such as an escape exit guide light, a passage guide light, a stairway guide light). The present invention is not limited to this embodiment.

図1は本実施形態の照明器具の一例を示す概略ブロック図である。この照明器具10は、光源2と、非常用電源3と、電源回路部4と、明るさセンサ5とを備える。   FIG. 1 is a schematic block diagram illustrating an example of a lighting fixture of the present embodiment. The luminaire 10 includes a light source 2, an emergency power supply 3, a power supply circuit unit 4, and a brightness sensor 5.

光源2は、例えば発光ダイオード(LED)からなり、商用電源1(外部電源)の停電時に電源回路部4を介して非常用電源3より供給される直流電力によって点灯する。また、光源2は、商用電源1が正常に供給されている状態では点灯しない。つまり、この光源2は、商用電源1の停電時にのみ点灯する非常用の光源である。   The light source 2 is composed of a light emitting diode (LED), for example, and is lit by DC power supplied from the emergency power supply 3 via the power supply circuit unit 4 when the commercial power supply 1 (external power supply) is interrupted. Further, the light source 2 is not turned on when the commercial power source 1 is normally supplied. That is, the light source 2 is an emergency light source that is turned on only when the commercial power source 1 is powered off.

非常用電源3は、例えばニッケル水素電池のような蓄電池からなり、商用電源1が正常に供給されている間は電源回路部4によって充電され、商用電源1が停電になると蓄積した直流電力を光源2に供給する。なお、非常用電源3は蓄電池に限定されるものではなく、商用電源1の停電時において光源2に直流電力を供給できるものであればよい。   The emergency power source 3 is composed of a storage battery such as a nickel metal hydride battery. The emergency power source 3 is charged by the power source circuit unit 4 while the commercial power source 1 is normally supplied. 2 is supplied. Note that the emergency power supply 3 is not limited to a storage battery, and may be any power supply that can supply direct-current power to the light source 2 when the commercial power supply 1 is powered off.

電源回路部4は、商用電源1より供給される交流電力を所望の電圧値の直流電力に変換し、変換した直流電力を非常用電源3に充電する機能と、商用電源1の停電時に非常用電源3に蓄積させた直流電力を光源2に供給する機能とを有する。また、電源回路部4は、商用電源1の停電時において光源2を点灯させる通常モードと光源2を消灯させる休止モードとを有し、明るさセンサ5の検知結果に応じて何れかの動作モードを選択する。ここに本実施形態では、電源回路部4により充電部、点灯部及び制御部が構成されている。   The power supply circuit unit 4 converts the AC power supplied from the commercial power source 1 into DC power having a desired voltage value, charges the converted DC power to the emergency power source 3, and is used in an emergency when the commercial power source 1 fails. A function of supplying DC power stored in the power source 3 to the light source 2. The power supply circuit unit 4 has a normal mode in which the light source 2 is turned on at the time of a power failure of the commercial power supply 1 and a pause mode in which the light source 2 is turned off, and any one of the operation modes according to the detection result of the brightness sensor 5. Select. Here, in the present embodiment, the power supply circuit unit 4 constitutes a charging unit, a lighting unit, and a control unit.

明るさセンサ5(検知部)は、照明器具10の周囲の明るさを検知し、明るさに応じた電圧値の電圧信号を電源回路部4に出力する。例えば、検知した明るさが明るくなるに従って上記電圧信号の電圧値が大きくなる場合、上記電圧信号の電圧値が所定値以下になると電源回路部4は周囲が暗いと判断し、通常モードを選択して光源2を点灯させる。また、上記電圧信号の電圧値が所定値よりも大きくなると電源回路部4は周囲が明るいと判断し、休止モードを選択して光源2を消灯させる。なお、動作については後述する。   The brightness sensor 5 (detection unit) detects the brightness around the lighting fixture 10 and outputs a voltage signal having a voltage value corresponding to the brightness to the power supply circuit unit 4. For example, when the voltage value of the voltage signal increases as the detected brightness increases, the power supply circuit unit 4 determines that the surroundings are dark when the voltage value of the voltage signal falls below a predetermined value, and selects the normal mode. The light source 2 is turned on. Further, when the voltage value of the voltage signal becomes larger than a predetermined value, the power supply circuit unit 4 determines that the surrounding is bright, selects the sleep mode, and turns off the light source 2. The operation will be described later.

図2(a)は上述した照明器具10の外観図である。この照明器具10は、一面(図2(a)中の下面)が開口する有底筒状に形成された器具本体6を有し、器具本体6の開口端縁には、外向きに突出する鍔部6aが全周に亘って設けられている。また、器具本体6の筒内には、上述した光源2、非常用電源3、電源回路部4及び明るさセンサ5が収納されており、光源2は、器具本体6の開口を臨むようにして配置されている。この照明器具10は、鍔部6aを室内側に露出させた状態で天井(図示せず)に埋込配設される。   Fig.2 (a) is an external view of the lighting fixture 10 mentioned above. This lighting fixture 10 has a fixture main body 6 formed in a bottomed cylindrical shape with one surface (the lower surface in FIG. 2A) opened, and projects outwardly at the opening edge of the fixture main body 6. The collar portion 6a is provided over the entire circumference. Further, the light source 2, the emergency power source 3, the power supply circuit unit 4, and the brightness sensor 5 described above are housed in the cylinder of the instrument body 6, and the light source 2 is disposed so as to face the opening of the instrument body 6. ing. The luminaire 10 is embedded in a ceiling (not shown) with the flange 6a exposed to the indoor side.

図5(a)〜図5(d)は従来の照明器具の動作を説明する説明図である。   FIG. 5A to FIG. 5D are explanatory views for explaining the operation of a conventional lighting fixture.

商用電源1が正常に供給されている状態では、図5(a)に示すように、商用電源1より供給される電力によって電源回路部4が非常用電源3を充電する。このとき、光源2は消灯している。商用電源1が停電になると、図5(b)に示すように、非常用電源3より供給される直流電力によって電源回路部4が光源2を点灯させる。このとき、時間の経過とともに非常用電源3の残量が減少していく。   In a state where the commercial power supply 1 is normally supplied, the power supply circuit unit 4 charges the emergency power supply 3 with the power supplied from the commercial power supply 1 as shown in FIG. At this time, the light source 2 is turned off. When the commercial power source 1 becomes a power failure, the power source circuit unit 4 turns on the light source 2 by the DC power supplied from the emergency power source 3 as shown in FIG. At this time, the remaining amount of the emergency power supply 3 decreases with time.

非常用電源3の残量がゼロになると、図5(c)に示すように、光源2が消灯する。そして、商用電源1が復旧して交流電力が再び供給されると、図5(d)に示すように、電源回路部4が非常用電源3を再び充電する。このとき、光源2は消灯している。   When the remaining amount of the emergency power supply 3 becomes zero, the light source 2 is turned off as shown in FIG. Then, when the commercial power supply 1 is restored and AC power is supplied again, the power supply circuit unit 4 recharges the emergency power supply 3 as shown in FIG. At this time, the light source 2 is turned off.

上述のように、従来の照明器具では、商用電源1が停電になると周囲の状況に関わらず強制的に点灯させているため、例えば商用電源1が復旧した後に再び停電が発生した場合に、非常用電源3の残量不足から点灯できない可能性があった。   As described above, in the conventional lighting apparatus, when the commercial power supply 1 is blacked out, it is forcibly lit regardless of the surrounding situation. For example, when the blackout occurs again after the commercial power supply 1 is restored, There was a possibility that the power supply 3 could not be lit due to insufficient remaining power.

そこで本実施形態では、上記問題を解決するために、商用電源1の停電時に周囲の状況に応じて通常モード又は休止モードを選択できるようになっている。以下、具体的に説明する。   Therefore, in the present embodiment, in order to solve the above problem, the normal mode or the hibernation mode can be selected according to the surrounding situation when the commercial power source 1 is powered off. This will be specifically described below.

図3(a)〜図3(f)は本実施形態の照明器具10の動作を説明する説明図である。   Fig.3 (a)-FIG.3 (f) are explanatory drawings explaining operation | movement of the lighting fixture 10 of this embodiment.

商用電源1が正常に供給されている状態では、図3(a)に示すように、商用電源1より供給される電力によって電源回路部4が非常用電源3を充電する。このとき、光源2は消灯している。   In a state where the commercial power source 1 is normally supplied, the power supply circuit unit 4 charges the emergency power source 3 with the power supplied from the commercial power source 1 as shown in FIG. At this time, the light source 2 is turned off.

商用電源1が停電になると、電源回路部4は明るさセンサ5の検知結果に応じて通常モード又は休止モードを選択する。明るさセンサ5の検知結果から周囲が暗いと判断した場合、電源回路部4は通常モードを選択し、非常用電源3より供給される直流電力によって光源2を点灯させる(図3(b)参照)。また、明るさセンサ5の検知結果から周囲が明るいと判断した場合、電源回路部4は休止モードを選択し、光源2を消灯したままにする(図3(f)参照)。   When the commercial power source 1 fails, the power source circuit unit 4 selects the normal mode or the pause mode according to the detection result of the brightness sensor 5. When it is determined from the detection result of the brightness sensor 5 that the surroundings are dark, the power supply circuit unit 4 selects the normal mode and turns on the light source 2 with the DC power supplied from the emergency power supply 3 (see FIG. 3B). ). On the other hand, when it is determined from the detection result of the brightness sensor 5 that the surroundings are bright, the power supply circuit unit 4 selects the sleep mode and keeps the light source 2 off (see FIG. 3F).

電源回路部4は、商用電源1の停電時に通常モードを選択すると、商用電源1が停電してから一定時間が経過するまで通常モードを継続し、一定時間が経過すると明るさセンサ5の検知結果に応じて通常モード又は休止モードを選択する。ここに、一定時間とは、商用電源1の停電時において非常点灯させなければならない時間のことであり、この一定時間は建築基準法に規定されている。   When the normal mode is selected during a power failure of the commercial power source 1, the power supply circuit unit 4 continues the normal mode until a certain time elapses after the commercial power source 1 fails, and when the certain time elapses, the detection result of the brightness sensor 5 Depending on the mode, the normal mode or the sleep mode is selected. Here, the fixed time is a time that must be turned on in the event of a power failure of the commercial power supply 1, and this fixed time is defined in the Building Standard Law.

商用電源1の停電から一定時間経過後、明るさセンサ5の検知結果から周囲が暗いと判断した場合、電源回路部4は通常モードを選択し、非常用電源3より供給される直流電力によって光源2を点灯させる(図3(c)参照)。このとき、時間の経過とともに非常用電源3の残量が減少していく。   When it is determined that the surroundings are dark from the detection result of the brightness sensor 5 after a certain time has elapsed since the power failure of the commercial power source 1, the power supply circuit unit 4 selects the normal mode and uses the direct current power supplied from the emergency power source 3 as a light source. 2 is turned on (see FIG. 3C). At this time, the remaining amount of the emergency power supply 3 decreases with time.

非常用電源3の残量がゼロになると、図3(d)に示すように、光源2が消灯する。そして、商用電源1が復旧して交流電力が供給されると、図3(e)に示すように、電源回路部4が非常用電源3を再び充電する。このとき、光源2は消灯している。   When the remaining amount of the emergency power supply 3 becomes zero, the light source 2 is turned off as shown in FIG. When the commercial power supply 1 is restored and AC power is supplied, the power supply circuit unit 4 recharges the emergency power supply 3 as shown in FIG. At this time, the light source 2 is turned off.

一方、商用電源1の停電から一定時間経過後、明るさセンサ5の検知結果から周囲が明るいと判断した場合、電源回路部4は休止モードを選択し、非常用電源3による給電を停止して光源2を消灯させる(図3(f)参照)。そして、商用電源1が復旧して交流電力が供給されると、図3(e)に示すように、電源回路部4が非常用電源3を再び充電する。このとき、光源2は消灯している。   On the other hand, when it is determined that the surroundings are bright from the detection result of the brightness sensor 5 after a certain time has elapsed since the power failure of the commercial power supply 1, the power supply circuit unit 4 selects the sleep mode and stops the power supply by the emergency power supply 3. The light source 2 is turned off (see FIG. 3F). When the commercial power supply 1 is restored and AC power is supplied, the power supply circuit unit 4 recharges the emergency power supply 3 as shown in FIG. At this time, the light source 2 is turned off.

上述のように、電源回路部4が商用電源1の停電時に休止モードを選択した場合には、非常用電源3の残量を温存することができ、例えば商用電源1が復旧した後に再び停電が発生した場合でも非常用電源3によって点灯させることができる。また、商用電源1が停電してから一定時間が経過するまで通常モードを継続し、その後休止モードを選択した場合でも、非常用電源3の残量を温存できることから、同様の状況において非常用電源3によって点灯させることができる。   As described above, when the power supply circuit unit 4 selects the sleep mode at the time of the power failure of the commercial power source 1, the remaining amount of the emergency power source 3 can be preserved. For example, after the commercial power source 1 is restored, the power failure occurs again. Even if it occurs, it can be lit by the emergency power source 3. In addition, even if the normal mode is continued until a certain time has elapsed after the commercial power source 1 has failed, and the rest mode is selected, the remaining amount of the emergency power source 3 can be preserved. 3 can be turned on.

図2(b)は本実施形態の別の照明器具10の外観図である。この照明器具10は、商用電源1の停電時に点灯させる非常用の光源2と、商用電源1が正常に供給されている状態で点灯させる常用の光源7とを備えている。以下、この照明器具10の動作について図4を参照しながら説明する。   FIG. 2B is an external view of another lighting fixture 10 of the present embodiment. The lighting fixture 10 includes an emergency light source 2 that is turned on when the commercial power source 1 is powered off, and a regular light source 7 that is turned on while the commercial power source 1 is normally supplied. Hereinafter, operation | movement of this lighting fixture 10 is demonstrated, referring FIG.

商用電源1が正常に供給されている状態では、図4(a)に示すように、商用電源1より供給される電力によって、電源回路部4が非常用電源3を充電し且つ光源7を点灯させる。このとき、光源2は消灯している。   In a state where the commercial power source 1 is normally supplied, the power source circuit unit 4 charges the emergency power source 3 and turns on the light source 7 by the power supplied from the commercial power source 1 as shown in FIG. Let At this time, the light source 2 is turned off.

商用電源1が停電になると、電源回路部4は明るさセンサ5の検知結果に応じて通常モード又は休止モードを選択する。明るさセンサ5の検知結果から周囲が暗いと判断した場合、電源回路部4は通常モードを選択し、非常用電源3より供給される直流電力によって光源2を点灯させる(図4(b)参照)。また、明るさセンサ5の検知結果から周囲が明るいと判断した場合、電源回路部4は休止モードを選択し、光源2を消灯したままにする(図4(f)参照)。なおこのとき、商用電源1が停電していることから、光源7は消灯している。   When the commercial power source 1 fails, the power source circuit unit 4 selects the normal mode or the pause mode according to the detection result of the brightness sensor 5. When it is determined from the detection result of the brightness sensor 5 that the surroundings are dark, the power supply circuit unit 4 selects the normal mode and turns on the light source 2 with the DC power supplied from the emergency power supply 3 (see FIG. 4B). ). On the other hand, when it is determined from the detection result of the brightness sensor 5 that the surroundings are bright, the power supply circuit unit 4 selects the sleep mode and keeps the light source 2 off (see FIG. 4F). At this time, since the commercial power source 1 has a power failure, the light source 7 is turned off.

電源回路部4は、商用電源1の停電時に通常モードを選択すると、商用電源1が停電してから一定時間が経過するまで通常モードを継続し、一定時間が経過すると明るさセンサ5の検知結果に応じて通常モード又は休止モードを選択する。   When the normal mode is selected during a power failure of the commercial power source 1, the power supply circuit unit 4 continues the normal mode until a certain time elapses after the commercial power source 1 fails, and when the certain time elapses, the detection result of the brightness sensor 5 Depending on the mode, the normal mode or the sleep mode is selected.

商用電源1の停電から一定時間経過後、明るさセンサ5の検知結果から周囲が暗いと判断した場合、電源回路部4は通常モードを選択し、非常用電源3より供給される直流電力によって光源2を点灯させる(図4(c)参照)。このとき、時間の経過とともに非常用電源3の残量が減少していく。   When it is determined that the surroundings are dark from the detection result of the brightness sensor 5 after a certain time has elapsed since the power failure of the commercial power source 1, the power supply circuit unit 4 selects the normal mode and uses the direct current power supplied from the emergency power source 3 as a light source. 2 is turned on (see FIG. 4C). At this time, the remaining amount of the emergency power supply 3 decreases with time.

非常用電源3の残量がゼロになると、図4(d)に示すように、光源2が消灯する。そして、商用電源1が復旧して交流電力が供給されると、図4(e)に示すように、電源回路部4が非常用電源3を再び充電し且つ光源7を再び点灯させる。このとき、光源2は消灯している。   When the remaining amount of the emergency power supply 3 becomes zero, the light source 2 is turned off as shown in FIG. When the commercial power supply 1 is restored and AC power is supplied, the power supply circuit unit 4 recharges the emergency power supply 3 and turns on the light source 7 again as shown in FIG. At this time, the light source 2 is turned off.

一方、商用電源1の停電から一定時間経過後、明るさセンサ5の検知結果から周囲が明るいと判断した場合、電源回路部4は休止モードを選択し、非常用電源3による給電を停止して光源2を消灯させる(図4(f)参照)。そして、商用電源1が復旧して交流電力が供給されると、図4(e)に示すように、電源回路部4が非常用電源3を再び充電し且つ光源7を再び点灯させる。このとき、光源2は消灯している。   On the other hand, when it is determined that the surroundings are bright from the detection result of the brightness sensor 5 after a certain time has elapsed since the power failure of the commercial power supply 1, the power supply circuit unit 4 selects the sleep mode and stops the power supply by the emergency power supply 3. The light source 2 is turned off (see FIG. 4F). When the commercial power supply 1 is restored and AC power is supplied, the power supply circuit unit 4 recharges the emergency power supply 3 and turns on the light source 7 again as shown in FIG. At this time, the light source 2 is turned off.

本例においても、電源回路部4が商用電源1の停電時に休止モードを選択した場合には、非常用電源3の残量を温存することができ、例えば商用電源1が復旧した後に再び停電が発生した場合でも非常用電源3によって点灯させることができる。また、商用電源1が停電してから一定時間が経過するまで通常モードを継続し、その後休止モードを選択した場合でも、非常用電源3の残量を温存できることから、同様の状況において非常用電源3によって点灯させることができる。   Also in this example, when the power supply circuit unit 4 selects the sleep mode at the time of the power failure of the commercial power source 1, the remaining amount of the emergency power source 3 can be preserved. For example, after the commercial power source 1 is restored, the power failure occurs again. Even if it occurs, it can be lit by the emergency power source 3. In addition, even if the normal mode is continued until a certain time has elapsed after the commercial power source 1 has failed, and the rest mode is selected, the remaining amount of the emergency power source 3 can be preserved. 3 can be turned on.

なお、本実施形態では、休止モードが選択されると光源2を消灯させたが、例えば光源2の照度を通常モードよりも減光させてもよく、本実施形態に限定されない。また、本実施形態では、検知部として明るさセンサを用いたが、例えば人感センサ、煙感知器、タイマなどを用いてもよく、本実施形態に限定されない。   In the present embodiment, when the pause mode is selected, the light source 2 is turned off. However, for example, the illuminance of the light source 2 may be reduced compared to the normal mode, and the present invention is not limited to this embodiment. In this embodiment, a brightness sensor is used as the detection unit. However, for example, a human sensor, a smoke detector, a timer, or the like may be used, and the present invention is not limited to this embodiment.

例えば、検知部として人感センサを用いた場合には、商用電源1の停電時に人感センサが人を検知すると、電源回路部4が通常モードを選択し、光源2を点灯させる。一方、人感センサが人を検知しない状態では、電源回路部4が休止モードを選択し、光源2を消灯させたままにする。   For example, when a human sensor is used as the detection unit, when the human sensor detects a person during a power failure of the commercial power supply 1, the power supply circuit unit 4 selects the normal mode and turns on the light source 2. On the other hand, in a state where the human sensor does not detect a person, the power supply circuit unit 4 selects the sleep mode and keeps the light source 2 off.

また、検知部として煙感知器を用いた場合には、商用電源1の停電時に煙感知器が照明器具10の周囲の煙の濃度を検知し、この濃度が所定値以上である場合には電源回路部4が通常モードを選択し、光源2を点灯させる。一方、煙感知器が検知した煙の濃度が所定値未満である場合には、電源回路部4が休止モードを選択し、光源2を消灯させたままにする。   When a smoke detector is used as the detector, the smoke detector detects the concentration of smoke around the luminaire 10 when the commercial power supply 1 is interrupted, and if this concentration exceeds a predetermined value, the power source The circuit unit 4 selects the normal mode and turns on the light source 2. On the other hand, when the smoke concentration detected by the smoke detector is less than the predetermined value, the power supply circuit unit 4 selects the sleep mode and keeps the light source 2 off.

さらに、検知部としてタイマを用いた場合には、タイマにより設定された時間に商用電源1が停電になると、電源回路部4が通常モードを選択し、光源2を点灯させる。一方、タイマにより設定された時間外に商用電源1が停電になると、電源回路部4が休止モードを選択し、光源2を消灯させたままにする。   Further, when a timer is used as the detection unit, when the commercial power supply 1 fails during the time set by the timer, the power supply circuit unit 4 selects the normal mode and turns on the light source 2. On the other hand, when the commercial power source 1 is out of power outside the time set by the timer, the power supply circuit unit 4 selects the sleep mode and keeps the light source 2 off.

さらに、本実施形態では、明るさセンサ5を器具本体6と一体に設けているが、器具本体6と別体に設けてもよい。また、検知部として人感センサや煙感知器、タイマを用いた場合も同様である。   Furthermore, in the present embodiment, the brightness sensor 5 is provided integrally with the instrument body 6, but may be provided separately from the instrument body 6. The same applies when a human sensor, smoke detector, or timer is used as the detection unit.

照明器具10は、光源2と、非常用電源3と、電源回路部4(充電部、点灯部、制御部)と、明るさセンサ5(検知部)とを備える。明るさセンサ5は、周囲の状況を検知する。電源回路部4は、商用電源1(外部電源)が正常に供給されている状態では商用電源1により非常用電源3を充電し、商用電源1の停電時に非常用電源3により光源2を点灯させる。また、電源回路部4は、光源2を点灯させる通常モードと、光源2を消灯又は光源2を通常モードより減光させる休止モードとを有し、商用電源1が停電になると明るさセンサ5の検知結果に応じて通常モード又は休止モードを選択する。   The luminaire 10 includes a light source 2, an emergency power supply 3, a power supply circuit unit 4 (charging unit, lighting unit, control unit), and a brightness sensor 5 (detection unit). The brightness sensor 5 detects the surrounding situation. The power supply circuit unit 4 charges the emergency power source 3 with the commercial power source 1 when the commercial power source 1 (external power source) is normally supplied, and turns on the light source 2 with the emergency power source 3 when the commercial power source 1 is powered off. . The power supply circuit unit 4 has a normal mode in which the light source 2 is turned on and a sleep mode in which the light source 2 is turned off or the light source 2 is dimmed from the normal mode. The normal mode or the pause mode is selected according to the detection result.

電源回路部4は、商用電源1の停電時に通常モードを選択した場合、商用電源1の停電から一定時間が経過するまで通常モードを継続し、一定時間が経過すると明るさセンサ5の検知結果に応じて通常モード又は休止モードを選択する。   When the normal mode is selected at the time of a power failure of the commercial power source 1, the power supply circuit unit 4 continues the normal mode until a certain time elapses after the power failure of the commercial power source 1. The normal mode or the sleep mode is selected accordingly.

1 商用電源(外部電源)
2 光源
3 非常用電源
4 電源回路部(充電部、点灯部、制御部)
5 明るさセンサ(検知部)
10 照明器具
1 Commercial power supply (external power supply)
2 Light source 3 Emergency power supply 4 Power circuit section (charging section, lighting section, control section)
5 Brightness sensor (detection unit)
10 Lighting equipment

Claims (1)

光源と、非常用電源と、外部電源が正常に供給されている状態では前記外部電源により前記非常用電源を充電する充電部と、前記外部電源の停電時に前記非常用電源により前記光源を点灯させる点灯部と、前記点灯部の動作を制御する制御部と、周囲の状況を検知するための検知部とを備え、
前記制御部は、前記光源を点灯させる通常モードと、前記光源を前記通常モードより減光させる休止モードとを有し、前記外部電源が停電になると前記検知部の検知結果に応じて前記通常モード又は前記休止モードを選択し、
前記制御部は、前記外部電源の停電時に前記通常モードを選択した場合、前記外部電源の停電から一定時間が経過するまで前記通常モードを継続し、前記一定時間が経過すると前記検知部の検知結果に応じて前記通常モード又は前記休止モードを選択することを特徴とする照明器具。
A light source, an emergency power source, and a charging unit that charges the emergency power source with the external power source when the external power source is normally supplied, and the emergency power source turns on the light source when the external power source fails A lighting unit, a control unit for controlling the operation of the lighting unit, and a detection unit for detecting the surrounding situation,
Wherein the control unit includes a normal mode for lighting the light source, the pre-Symbol light source and a dormant mode for dimmed than the normal mode, the in response to the external power supply is a power failure the detection portion of the detection results usually Select the mode or the sleep mode,
When the control unit selects the normal mode at the time of a power failure of the external power supply, the control unit continues the normal mode until a predetermined time elapses from the power failure of the external power supply, and when the predetermined time elapses, the detection result of the detection unit The lighting apparatus is characterized in that the normal mode or the pause mode is selected according to the above.
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