JP2021034322A - Lighting device - Google Patents

Lighting device Download PDF

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JP2021034322A
JP2021034322A JP2019156392A JP2019156392A JP2021034322A JP 2021034322 A JP2021034322 A JP 2021034322A JP 2019156392 A JP2019156392 A JP 2019156392A JP 2019156392 A JP2019156392 A JP 2019156392A JP 2021034322 A JP2021034322 A JP 2021034322A
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storage battery
brightness
external power
light source
power supply
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JP7256458B2 (en
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真 川越
Makoto Kawagoe
真 川越
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Toshiba Lighting and Technology Corp
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Toshiba Lighting and Technology Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

To provide a lighting device that can charge a storage battery without rising the current electricity rate classification to a higher classification.SOLUTION: A lighting device 10 includes a storage battery 13, a charging/discharging part 41 that charges and discharges the storage battery 13, a brightness sensor 27 that detects peripheral brightness, a lighting circuit part 40, and a control unit 43. The lighting circuit part 40 turns on and off a light source 12 by an external power supply E or a power source of the storage battery 13 that is used in a case of power outage of the external power supply E, according to peripheral brightness detected by the brightness sensor 27. The control unit 43 controls the charging/discharging part 41, and causes the power source of the storage battery 13 to be discharged to supply the power to the lighting circuit part 40 in a case of power outage of the external power supply E, and causes the storage battery 13 to be charged when power is supplied from the external power supply E except to the lighting circuit part 40 causing the light source 12 to light with a brightness equal to or higher than a predetermined brightness by the external power supply E.SELECTED DRAWING: Figure 1

Description

本発明の実施形態は、蓄電池を備えた照明装置に関する。 An embodiment of the present invention relates to a lighting device including a storage battery.

従来、例えば防犯灯や街路灯等の照明装置は、電力会社によって公衆街路灯の電気料金区分が決められており、各区分に該当する照明装置が提供されている。 Conventionally, for lighting devices such as security lights and street lights, the electricity rate classification of public street lights is determined by the electric power company, and lighting devices corresponding to each classification are provided.

また、このような照明装置では、外部電源の停電時でも光源が点灯するように非常用の蓄電池を備えたものがある。 In addition, some such lighting devices are provided with an emergency storage battery so that the light source lights up even when the external power supply fails.

照明装置が蓄電池を備える場合、光源を点灯させる電力に、蓄電池を充電する電力が加わることで、該当する電気料金区分を越えてしまい、電気料金区分を上の区分に上げなければならない場合がある。 When the lighting device is equipped with a storage battery, the power to turn on the light source and the power to charge the storage battery may exceed the applicable electricity rate category, and the electricity rate category may have to be raised to the upper category. ..

特開２０１７−１９５２０３号公報JP-A-2017-195203

本発明は、電気料金区分を上の区分に上げずに、蓄電池の充電ができる照明装置を提供することを目的とする。 An object of the present invention is to provide a lighting device capable of charging a storage battery without raising the electricity rate category to the above category.

実施形態の照明装置は、蓄電池、蓄電池を充放電する充放電部、周囲の明るさを検知する明るさセンサ、点灯回路部および制御部を備える。点灯回路部は、明るさセンサによって検知される周囲の明るさに応じて、外部電源または外部電源の停電時の蓄電池の電源によって光源を点灯、消灯する。制御部は、充放電部を制御し、外部電源の停電時には蓄電池の電源を放電させて点灯回路部に供給し、外部電源の給電時には点灯回路部が外部電源によって光源を所定の明るさ以上に点灯させているとき以外のときに蓄電池を充電する。 The lighting device of the embodiment includes a storage battery, a charging / discharging unit for charging / discharging the storage battery, a brightness sensor for detecting the ambient brightness, a lighting circuit unit, and a control unit. The lighting circuit unit turns on and off the light source by the power supply of the external power supply or the storage battery at the time of power failure of the external power supply according to the ambient brightness detected by the brightness sensor. The control unit controls the charge / discharge unit, discharges the power supply of the storage battery and supplies it to the lighting circuit unit when the external power supply fails, and when the external power supply supplies power, the lighting circuit unit uses the external power supply to make the light source brighter than the specified brightness. Charge the storage battery when it is not lit.

実施形態の照明装置によれば、電気料金区分を上の区分に上げずに、蓄電池の充電ができることが期待できる。 According to the lighting device of the embodiment, it can be expected that the storage battery can be charged without raising the electricity charge category to the above category.

一実施形態を示す照明装置のブロック図である。It is a block diagram of the lighting apparatus which shows one Embodiment. 同上照明装置の断面図である。It is sectional drawing of the lighting apparatus of the same as above.

以下、一実施形態を、図面を参照して説明する。 Hereinafter, one embodiment will be described with reference to the drawings.

図２に照明装置10の断面図を示す。照明装置10は、例えば防犯灯や街路灯等の屋外に設置される屋外照明装置である。 FIG. 2 shows a cross-sectional view of the lighting device 10. The lighting device 10 is an outdoor lighting device installed outdoors, such as a security light or a street light.

照明装置10は、筐体11と、この筐体11内に配置される光源12、蓄電池13および電源ユニット14と、この筐体11の下面側に取り付けられる透光カバー15とを備えている。 The lighting device 10 includes a housing 11, a light source 12, a storage battery 13, and a power supply unit 14 arranged in the housing 11, and a translucent cover 15 attached to the lower surface side of the housing 11.

筐体11は、基端側から反対の先端側にかけて長く、下面側が開口された形状に形成されている。筐体11の基端側には、例えば電柱やポール等に取り付けられる取付部18が一体に突設されているとともに、外部電源引込み用の配線孔19が設けられている。筐体11の上面側には、外光を採光する採光孔20が設けられている。 The housing 11 is long from the base end side to the opposite front end side, and is formed in a shape in which the lower surface side is open. On the base end side of the housing 11, for example, a mounting portion 18 to be attached to a utility pole, a pole, or the like is integrally projected, and a wiring hole 19 for drawing in an external power source is provided. A daylighting hole 20 for collecting outside light is provided on the upper surface side of the housing 11.

また、光源12は、例えばＬＥＤや有機ＥＬ等の発光素子（半導体発光素子）が複数用いられている。 Further, as the light source 12, for example, a plurality of light emitting elements (semiconductor light emitting elements) such as LEDs and organic ELs are used.

また、蓄電池13は、例えばリチウムイオン電池等の充放電可能な二次電池が用いられている。蓄電池13は、筐体11内の空間に収容配置されている。なお、蓄電池13は、筐体11外の別の場所に配置されていてもよい。 Further, as the storage battery 13, a rechargeable secondary battery such as a lithium ion battery is used. The storage battery 13 is housed and arranged in the space inside the housing 11. The storage battery 13 may be arranged in another place outside the housing 11.

また、電源ユニット14は、基板23、およびこの基板23に実装された電源回路を構成する複数の電気部品24を備えている。基板23には、複数の光源12も実装されている。なお、基板23とは別に、複数の光源12が実装される光源基板を用いてもよい。電源ユニット14には、外部電源を給電する電線25が接続されている。電線25は、配線孔19に装着されるブッシュ26を介して筐体11の内外に挿通されている。 Further, the power supply unit 14 includes a board 23 and a plurality of electric components 24 constituting the power supply circuit mounted on the board 23. A plurality of light sources 12 are also mounted on the substrate 23. In addition to the substrate 23, a light source substrate on which a plurality of light sources 12 are mounted may be used. An electric wire 25 for supplying an external power source is connected to the power supply unit 14. The electric wire 25 is inserted inside and outside the housing 11 via a bush 26 mounted in the wiring hole 19.

電気部品24には、筐体11の採光孔20を通じて外光を入射し、照明装置10の周囲の明るさ（照度）を検知する明るさセンサ（照度センサ）27が含まれている。この明るさセンサ27に、筐体11の採光孔20から外光を導くために採光ユニット28が用いられている。採光ユニット28は、採光孔20にパッキング29を介して嵌め込まれる透光性を有する採光窓30、および採光窓30から採光された外光を明るさセンサ27に導くとともに外光が筐体11内に放出されるのを防止する遮光筒31を備えている。 The electric component 24 includes a brightness sensor (illuminance sensor) 27 that receives external light through the lighting hole 20 of the housing 11 and detects the ambient brightness (illuminance) of the lighting device 10. In this brightness sensor 27, a daylighting unit 28 is used to guide outside light from the daylighting hole 20 of the housing 11. The daylighting unit 28 guides the daylighting window 30 having translucency, which is fitted into the daylighting hole 20 via the packing 29, and the outside light collected from the daylighting window 30 to the brightness sensor 27, and the outside light is inside the housing 11. It is provided with a light-shielding cylinder 31 that prevents the light from being released into.

また、透光カバー15は、透光性を有し、筐体11の下面側を覆って取り付けられている。透光カバー15には、各光源12の位置に対応して配光を制御する複数のレンズ部34が形成されている。 Further, the translucent cover 15 has translucency and is attached so as to cover the lower surface side of the housing 11. The translucent cover 15 is formed with a plurality of lens portions 34 that control the light distribution corresponding to the positions of the light sources 12.

そして、照明装置10は、取付部18および別途用いられる取付金具によって例えば道路の脇に設置された電柱やポール等に設置される。その際、電源ユニット14は電線25によって外部電源に接続され、筐体11はアース接続される。照明装置10の設置状態では、筐体11の先端側が斜め上方に向けて傾斜し、光源12および透光カバー15等が道路の中心側に対向される。 Then, the lighting device 10 is installed on, for example, a utility pole or a pole installed on the side of a road by means of a mounting portion 18 and a mounting bracket used separately. At that time, the power supply unit 14 is connected to the external power supply by the electric wire 25, and the housing 11 is grounded. In the installed state of the lighting device 10, the tip end side of the housing 11 is inclined obliquely upward, and the light source 12, the translucent cover 15, and the like are opposed to the center side of the road.

次に、図１に照明装置10のブロック図を示す。 Next, FIG. 1 shows a block diagram of the lighting device 10.

照明装置10は、光源12、蓄電池13および電源ユニット14を備えている。電源ユニット14に、商用電源（商用交流電源）等の外部電源Ｅ、光源12および蓄電池13が接続されている。 The lighting device 10 includes a light source 12, a storage battery 13, and a power supply unit 14. An external power source E such as a commercial power source (commercial AC power source), a light source 12, and a storage battery 13 are connected to the power supply unit 14.

電源ユニット14は、外部電源Ｅによってまたはこの外部電源Ｅの停電時に蓄電池13の電源によって光源12を点灯させる点灯回路部（点灯ユニット）40、蓄電池13を充放電する充放電部（充放電ユニット）41、周囲の明るさを検知する明るさセンサ27、この明るさセンサ27の検知に応じて点灯回路部40および充放電部41を制御する制御部43等を備えている。 The power supply unit 14 includes a lighting circuit unit (lighting unit) 40 that lights the light source 12 by the external power source E or by the power supply of the storage battery 13 in the event of a power failure of the external power source E, and a charging / discharging unit (charging / discharging unit) that charges / discharges the storage battery 13. 41, a brightness sensor 27 that detects the brightness of the surroundings, a control unit 43 that controls the lighting circuit unit 40 and the charging / discharging unit 41 according to the detection of the brightness sensor 27, and the like are provided.

点灯回路部40は、外部電源Ｅの給電時において、外部電源Ｅを所定の点灯用電源に変換して光源12に供給し、光源12を点灯させ、また、外部電源Ｅの停電時において、蓄電池13の電源を所定の点灯用電源に変換して光源12に供給し、光源12を点灯させる。 The lighting circuit unit 40 converts the external power source E into a predetermined lighting power source and supplies the light source 12 to the light source 12 when the external power source E is supplied, and also causes the light source 12 to light up. The power supply of 13 is converted into a predetermined power supply for lighting and supplied to the light source 12, and the light source 12 is turned on.

制御部43は、時間を計時する計時部45の機能を有している。 The control unit 43 has a function of a timekeeping unit 45 that measures the time.

そして、制御部43は、明るさセンサ27によって検知される周囲の明るさに応じて点灯回路部40を制御し、光源12を点灯、消灯させる機能を有している。 The control unit 43 has a function of controlling the lighting circuit unit 40 according to the ambient brightness detected by the brightness sensor 27 to turn on / off the light source 12.

また、制御部43は、充放電部41を制御し、外部電源Ｅの停電時には、蓄電池13の電源を放電させて点灯回路部40等を含む電源ユニット14に供給し、一方、外部電源Ｅの給電時には、点灯回路部40が外部電源Ｅによって光源12を所定の明るさ以上に点灯させているとき以外のときに蓄電池13を充電する機能を有している。 Further, the control unit 43 controls the charge / discharge unit 41, and when the external power supply E has a power failure, the power supply of the storage battery 13 is discharged and supplied to the power supply unit 14 including the lighting circuit unit 40 and the like, while the external power supply E of the external power supply E. At the time of power supply, the lighting circuit unit 40 has a function of charging the storage battery 13 except when the light source 12 is lit by the external power source E to have a predetermined brightness or higher.

さらに、制御部43は、蓄電池13の充電状況と明るさセンサ27によって検知される周囲の明るさの変化に応じて、蓄電池13を充電する充電レートを変化させる機能を有している。蓄電池13の充電状況は例えば蓄電池13の充電量であり、この蓄電池13の充電量は制御部43が有する充電量検知機能によって検知される。 Further, the control unit 43 has a function of changing the charging rate for charging the storage battery 13 according to the charging status of the storage battery 13 and the change in the ambient brightness detected by the brightness sensor 27. The charge status of the storage battery 13 is, for example, the charge amount of the storage battery 13, and the charge amount of the storage battery 13 is detected by the charge amount detection function of the control unit 43.

また、制御部43は、光源12の点灯時に蓄電池13を充電する場合、点灯回路部40が外部電源Ｅによって光源12を所定の明るさ以下で調光点灯するように制御する機能を有している。 Further, the control unit 43 has a function of controlling the lighting circuit unit 40 so that the light source 12 is dimmed and lit by an external power source E at a predetermined brightness or less when the storage battery 13 is charged when the light source 12 is lit. There is.

また、制御部43は、蓄電池13の電源の放電後には充電を所定時間以上継続する機能を有している。 Further, the control unit 43 has a function of continuing charging for a predetermined time or longer after the power supply of the storage battery 13 is discharged.

また、制御部43は、前回の蓄電池13の充電から所定時間経過した場合に蓄電池13を充電する機能を有している。 Further, the control unit 43 has a function of charging the storage battery 13 when a predetermined time has elapsed from the previous charging of the storage battery 13.

これら所定時間は、計時部45によって計時される時間に基づいて判定される。 These predetermined times are determined based on the time measured by the time measuring unit 45.

そして、このように構成された照明装置10は、外部電源Ｅが給電されているときには、外部電源Ｅによって動作する。 Then, the lighting device 10 configured in this way operates by the external power source E when the external power source E is supplied.

夕方となって照明装置10の周囲が暗くなり、明るさセンサ27で検知される明るさの値が所定の点灯判定閾値を下回ると、外部電源Ｅによって点灯回路部40が動作し、光源12を点灯させる。 In the evening, when the surroundings of the lighting device 10 become dark and the brightness value detected by the brightness sensor 27 falls below a predetermined lighting determination threshold value, the lighting circuit unit 40 is operated by the external power supply E to turn on the light source 12. Turn it on.

一方、明け方となって照明装置10の周囲が明るくなり、明るさセンサ27で検知される明るさの値が所定の消灯判定閾値を上回ると、点灯回路部40の動作を停止し、光源12を消灯させる。 On the other hand, when the surroundings of the lighting device 10 become bright at dawn and the brightness value detected by the brightness sensor 27 exceeds a predetermined extinguishing determination threshold value, the operation of the lighting circuit unit 40 is stopped and the light source 12 is turned on. Turn off the lights.

また、前回の蓄電池13の充電から所定時間経過した場合や、例えば制御部43が有する充電量検知機能によって蓄電池13の充電量が所定値以下に減少したことが判定された場合には、蓄電池13を充電する。この蓄電池13の充電は、外部電源Ｅによって光源12を所定の明るさ以上に点灯させているとき以外のときに実施する。すなわち、外部電源Ｅによって光源12を所定の明るさ以上に点灯させているときには、蓄電池13を充電しない。例えば、周囲が明るく光源12を点灯させない昼間の期間に蓄電池13を充電し、周囲が暗く光源12を所定の明るさ以上に点灯させる夜間の期間は蓄電池13を充電しない。なお、光源12を所定の明るさ以上に点灯させているときとは、光源12を全光点灯させているとき、光源12を全光点灯に近い調光度で調光点灯させているとき等が含まれる。 Further, when a predetermined time has passed since the previous charge of the storage battery 13, or when it is determined that the charge amount of the storage battery 13 has decreased to a predetermined value or less by the charge amount detection function of the control unit 43, for example, the storage battery 13 To charge. The storage battery 13 is charged except when the light source 12 is lit by the external power source E to have a predetermined brightness or higher. That is, when the light source 12 is lit by the external power source E to have a brightness equal to or higher than a predetermined brightness, the storage battery 13 is not charged. For example, the storage battery 13 is charged during the daytime when the surroundings are bright and the light source 12 is not turned on, and the storage battery 13 is not charged during the nighttime when the surroundings are dark and the light source 12 is turned on above a predetermined brightness. It should be noted that when the light source 12 is lit at a predetermined brightness or higher, when the light source 12 is lit at full light, when the light source 12 is lit at a dimming intensity close to full light, etc. included.

ところで、防犯灯や街路灯等の照明装置は、電力会社によって公衆街路灯の電気料金区分が決められており、各区分に該当する照明装置が提供されている。ある電気料金区分に該当する照明装置が蓄電池を備えた場合、光源を点灯させる電力に、蓄電池を充電する電力が加わることで、照明装置が該当する電気料金区分を越えてしまい、電気料金区分を上の区分に上げなければならない場合がある。 By the way, for lighting devices such as security lights and street lights, the electricity rate classification of public street lights is determined by the electric power company, and the lighting devices corresponding to each classification are provided. When a lighting device corresponding to a certain electricity rate category is equipped with a storage battery, the power to charge the storage battery is added to the power to turn on the light source, so that the lighting device exceeds the corresponding electricity rate category, and the electricity rate category is changed. It may be necessary to raise it to the upper category.

上述のように、蓄電池13の充電は、外部電源Ｅによって光源12を所定の明るさ以上に点灯させているとき以外のときに実施することにより、電気料金区分を上の区分に上げずに、蓄電池13の充電がなされる。 As described above, the storage battery 13 is charged only when the light source 12 is lit by the external power source E to have a brightness equal to or higher than a predetermined brightness, so that the electricity charge category is not raised to the above category. The storage battery 13 is charged.

また、蓄電池13の充電時には、蓄電池13の充電状況と明るさセンサ27によって検知される周囲の明るさの変化に応じて、蓄電池13を充電する充電レートを変化させてもよい。例えば、充電レートを低くし、蓄電池13にかかる負荷が（急速充電よりも）相対的に小さい充電とすることにより、蓄電池13の寿命を延ばすことが可能となる。あるいは、明るさセンサ27によって検知される明るさの値が下降傾向にあるにもかかわらず、蓄電池13の充電が完了していない場合や蓄電池13の充電量が少ない場合には、充電レートを高め、急速充電することにより、外部電源Ｅによって光源12を所定の明るさ以上に点灯させる期間前に、すなわち充電が禁止される期間前に、蓄電池13の充電を完了させたり、蓄電池13の充電量を確保することが可能となる。 Further, when charging the storage battery 13, the charging rate for charging the storage battery 13 may be changed according to the charging status of the storage battery 13 and the change in the ambient brightness detected by the brightness sensor 27. For example, the life of the storage battery 13 can be extended by lowering the charging rate and charging the storage battery 13 with a relatively small load (compared to quick charging). Alternatively, if the brightness value detected by the brightness sensor 27 is on a downward trend but the storage battery 13 is not completely charged or the amount of charge of the storage battery 13 is low, the charging rate is increased. By quick charging, the charging of the storage battery 13 is completed or the charge amount of the storage battery 13 is completed before the period in which the light source 12 is turned on by the external power source E to a predetermined brightness or higher, that is, before the period in which charging is prohibited. Can be secured.

また、照明装置10は、外部電源Ｅの停電時には、蓄電池13の電源が放電され、この蓄電池13の電源によって動作する。 Further, in the case of a power failure of the external power source E, the power source of the storage battery 13 is discharged from the lighting device 10, and the lighting device 10 is operated by the power source of the storage battery 13.

この場合にも、夕方となって照明装置10の周囲が暗くなり、明るさセンサ27で検知される明るさの値が所定の点灯判定閾値を下回ると、蓄電池13の電源によって点灯回路部40が動作し、光源12を点灯させる。 Also in this case, when the surroundings of the lighting device 10 become dark in the evening and the brightness value detected by the brightness sensor 27 falls below a predetermined lighting determination threshold value, the lighting circuit unit 40 is turned on by the power supply of the storage battery 13. It operates and turns on the light source 12.

一方、明け方となって照明装置10の周囲が明るくなり、明るさセンサ27で検知される明るさの値が所定の消灯判定閾値を上回ると、点灯回路部40の動作を停止し、光源12を消灯させる。 On the other hand, when the surroundings of the lighting device 10 become bright at dawn and the brightness value detected by the brightness sensor 27 exceeds a predetermined extinguishing determination threshold value, the operation of the lighting circuit unit 40 is stopped and the light source 12 is turned on. Turn off the lights.

また、照明装置10は、停電が解消されて外部電源Ｅの給電が再開されれば、上述のように外部電源Ｅによって動作し、蓄電池13を充電する。 Further, when the power failure is resolved and the power supply of the external power source E is resumed, the lighting device 10 operates by the external power source E as described above and charges the storage battery 13.

蓄電池13の電源の放電後には、蓄電池13の充電を所定時間以上継続し、充電不足を補う。 After the power supply of the storage battery 13 is discharged, the storage battery 13 is continuously charged for a predetermined time or longer to compensate for the insufficient charge.

蓄電池13の充電が所定時間以上経過する前に、あるいは蓄電池13の充電が完了する前に、明るさセンサ27で検知される明るさの値が所定の点灯判定閾値を下回った場合等には、蓄電池13の充電と光源12の点灯とを並行して行ってもよい。 If the brightness value detected by the brightness sensor 27 falls below the predetermined lighting determination threshold value before the charging of the storage battery 13 elapses for a predetermined time or more, or before the charging of the storage battery 13 is completed, or the like. Charging of the storage battery 13 and lighting of the light source 12 may be performed in parallel.

この場合、外部電源Ｅによって動作する点灯回路部40により、光源12を所定の明るさ以下で調光点灯する。光源12の所定の明るさ以下での調光点灯は、蓄電池13を充電する電力に、光源12を点灯させる電力が加わっても、照明装置10が該当する電気料金区分を越えない範囲とする。このとき、光源12の点灯時の電力よりも、蓄電池13の充電時の電力が小さい関係にある。 In this case, the lighting circuit unit 40 operated by the external power source E dimmes and lights the light source 12 at a predetermined brightness or less. The dimming lighting of the light source 12 at a predetermined brightness or less is within a range in which the lighting device 10 does not exceed the corresponding electricity charge category even if the power for lighting the light source 12 is added to the power for charging the storage battery 13. At this time, the electric power when charging the storage battery 13 is smaller than the electric power when the light source 12 is lit.

なお、光源12の調光点灯とともに、蓄電池13を充電する充電レートも低くするように変化させてもよい。これにより、電気料金区分を上の区分に上げずに、蓄電池13の充電と光源12の点灯とを並行して行われる。 Along with the dimming lighting of the light source 12, the charging rate for charging the storage battery 13 may be changed so as to be lowered. As a result, the charging of the storage battery 13 and the lighting of the light source 12 are performed in parallel without raising the electricity rate classification to the upper classification.

また、明るさセンサ27によって検知される明るさの値によって光源12を調光点灯するようにしてもよい。この場合、光源12の調光度に応じて、蓄電池13を充電したり、充電を停止するようにしてもよい。 Further, the light source 12 may be dimmed and lit according to the value of the brightness detected by the brightness sensor 27. In this case, the storage battery 13 may be charged or the charging may be stopped according to the dimming degree of the light source 12.

そして、このように構成された照明装置10によれば、蓄電池13の充電は、外部電源Ｅによって光源12を所定の明るさ以上に点灯させているとき以外のときに実施することにより、電気料金区分を上の区分に上げずに、蓄電池13の充電ができる。 Then, according to the lighting device 10 configured in this way, the storage battery 13 is charged by performing the charging at a time other than when the light source 12 is lit to a predetermined brightness or higher by the external power source E, so that the electricity charge is charged. The storage battery 13 can be charged without raising the category to the above category.

また、蓄電池13の充電状況と明るさセンサ27によって検知される周囲の明るさの変化に応じて、蓄電池13を充電する充電レートを変化させることにより、蓄電池13の寿命を延ばすように充電したり、あるいは、外部電源Ｅによって光源12を所定の明るさ以上に点灯させる期間前に、蓄電池13の充電を完了させたり、蓄電池13の充電量を確保することができる。 Further, by changing the charging rate for charging the storage battery 13 according to the charging status of the storage battery 13 and the change in the ambient brightness detected by the brightness sensor 27, the storage battery 13 can be charged so as to extend the life of the storage battery 13. Alternatively, the charging of the storage battery 13 can be completed or the charge amount of the storage battery 13 can be secured before the period in which the light source 12 is turned on by the external power source E to have a predetermined brightness or higher.

また、光源12の点灯時に蓄電池13を充電する場合、外部電源Ｅによって光源12を所定の明るさ以下で調光点灯させるため、電気料金区分を上の区分に上げずに、蓄電池13の充電と光源12の点灯とを並行して行うことができる。 Further, when the storage battery 13 is charged when the light source 12 is lit, the light source 12 is dimmed and lit by the external power source E at a predetermined brightness or less. The lighting of the light source 12 can be performed in parallel.

また、蓄電池13の電源の放電後には、蓄電池13の充電を所定時間以上継続することにより、充電不足を補うことができる。 Further, after the power supply of the storage battery 13 is discharged, the insufficient charge can be compensated by continuing the charging of the storage battery 13 for a predetermined time or longer.

また、前回の蓄電池13の充電から所定時間経過した場合、蓄電池13を充電することにより、蓄電池13の自己放電した充電量分を補うことができる。 Further, when a predetermined time has elapsed from the previous charge of the storage battery 13, the self-discharged charge amount of the storage battery 13 can be supplemented by charging the storage battery 13.

なお、照明装置は、防犯灯や街路灯以外に、屋外に設置されて周囲の明るさに応じて光源を点灯、消灯する例えばガーデン灯等の他の照明装置にも適用できる。 In addition to security lights and street lights, the lighting device can also be applied to other lighting devices such as garden lights that are installed outdoors and turn on and off the light source according to the brightness of the surroundings.

本発明のいくつかの実施形態を説明したが、これらの実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。これら実施形態やその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。 Although some embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other embodiments, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are also included in the scope of the invention described in the claims and the equivalent scope thereof.

10 照明装置
12 光源
13 蓄電池
27 明るさセンサ
40 点灯回路部
41 充放電部
43 制御部
Ｅ 外部電源 10 Lighting equipment
12 light source
13 Storage battery
27 Brightness sensor
40 Lighting circuit
41 Charge / discharge section
43 Control unit E External power supply

Claims (3)

蓄電池と；
前記蓄電池を充放電する充放電部と；
周囲の明るさを検知する明るさセンサと；
前記明るさセンサによって検知される周囲の明るさに応じて、外部電源またはこの外部電源の停電時の前記蓄電池の電源によって光源を点灯、消灯する点灯回路部と；
前記充放電部を制御し、前記外部電源の停電時には前記蓄電池の電源を放電させて前記点灯回路部に供給し、前記外部電源の給電時には前記点灯回路部が前記外部電源によって前記光源を所定の明るさ以上に点灯させているとき以外のときに前記蓄電池を充電する制御部と；
を具備することを特徴とする照明装置。 With a storage battery;
With a charge / discharge unit that charges / discharges the storage battery;
With a brightness sensor that detects the brightness of the surroundings;
A lighting circuit unit that turns on and off the light source by the external power source or the power source of the storage battery at the time of power failure of the external power source according to the ambient brightness detected by the brightness sensor;
The charging / discharging unit is controlled, and when the external power supply fails, the power supply of the storage battery is discharged and supplied to the lighting circuit unit, and when the external power supply is supplied, the lighting circuit unit uses the external power supply to determine the light source. With a control unit that charges the storage battery when it is not lit above the brightness.
A lighting device characterized by comprising. 前記制御部は、前記光源の点灯時に前記蓄電池を充電する場合、前記点灯回路部が前記外部電源によって前記光源を所定の明るさ以下で調光点灯するように制御する
ことを特徴とする請求項１記載の照明装置。 The control unit is characterized in that, when charging the storage battery when the light source is lit, the lighting circuit unit controls the light source to be dimmed and lit with a predetermined brightness or less by the external power source. 1. The lighting device according to 1. 前記制御部は、前記蓄電池の充電状況と前記明るさセンサによって検知される周囲の明るさの変化に応じて、前記蓄電池を充電する充電レートを変化させる
ことを特徴とする請求項１または２記載の照明装置。 The first or second aspect of the present invention, wherein the control unit changes the charging rate for charging the storage battery according to the charging status of the storage battery and the change in the ambient brightness detected by the brightness sensor. Lighting device.
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JP2018185941A (en) * 2017-04-25 2018-11-22 パナソニックＩｐマネジメント株式会社 Lighting device and lighting apparatus

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JP2016034198A (en) * 2014-07-31 2016-03-10 進栄電子株式会社 Outage compensation device and illumination device using the same
JP2018185941A (en) * 2017-04-25 2018-11-22 パナソニックＩｐマネジメント株式会社 Lighting device and lighting apparatus

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CN113115498A (en) * 2021-04-26 2021-07-13 厦门诚通达智能科技有限公司 Control circuit, method and device of electric sign
CN113115498B (en) * 2021-04-26 2024-03-26 厦门诚通达智能科技有限公司 Control circuit, method and device for electric sign

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