JP7256458B2 - lighting equipment - Google Patents

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JP7256458B2
JP7256458B2 JP2019156392A JP2019156392A JP7256458B2 JP 7256458 B2 JP7256458 B2 JP 7256458B2 JP 2019156392 A JP2019156392 A JP 2019156392A JP 2019156392 A JP2019156392 A JP 2019156392A JP 7256458 B2 JP7256458 B2 JP 7256458B2
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storage battery
brightness
external power
light source
charging
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JP2021034322A (en
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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

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。 Embodiments of the present invention relate to a lighting device with 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。 2. Description of the Related Art Conventionally, for lighting devices such as security lights and street lights, power companies have determined the electricity charge categories for public street lights, and lighting devices corresponding to each category 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。 Moreover, some of such lighting devices are provided with an emergency storage battery so that the light source can be lit 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。 If the lighting device is equipped with a storage battery, the power charged to charge the storage battery is added to the power used to turn on the light source. .

特開２０１７－１９５２０３号公報JP 2017-195203 A

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。 SUMMARY OF THE INVENTION 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 a higher 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。制御部は、光源の点灯時に蓄電池を充電する場合、点灯回路部が外部電源によって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。 A lighting device according to an embodiment includes a storage battery, a charging/discharging unit that charges and discharges the storage battery, a brightness sensor that detects ambient brightness, a lighting circuit unit, and a control unit. The lighting circuit unit turns on and off the light source according to the ambient brightness detected by the brightness sensor using the external power source or the power source of the storage battery when the external power source fails. The control unit controls the charging/discharging unit, and when the external power supply fails, the storage battery is discharged and supplied to the lighting circuit unit. Charge the storage battery at times other than when the light is on. When the storage battery is charged when the light source is lit, the control section controls the lighting circuit section so that the external power source dims the light source to a predetermined brightness or less.

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 rate category to a higher category.

一実施形態を示す照明装置のブロック図である。1 is a block diagram of a lighting device showing an embodiment; FIG. 同上照明装置の断面図である。It is sectional drawing of a lighting installation same as the above.

以下、一実施形態を、図面を参照して説明する。 An embodiment will be described below 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 illumination device 10. As shown in FIG. The lighting device 10 is, for example, 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. As shown in FIG.

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 elongated from the base end side to the opposite tip side, and is formed in a shape with an opening on the bottom side. A mounting portion 18 to be mounted on, for example, a utility pole or pole is integrally protruded from the base end side of the housing 11, and a wiring hole 19 for drawing in an external power supply is provided. A light-receiving hole 20 for admitting external 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。 The light source 12 uses a plurality of light emitting elements (semiconductor light emitting elements) such as LEDs and organic ELs.

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。 In addition, 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 . Note that the storage battery 13 may be arranged at another place outside the housing 11. FIG.

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。 The power supply unit 14 also includes a board 23 and a plurality of electrical components 24 mounted on the board 23 and forming a power supply circuit. 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. A power supply unit 14 is connected to a wire 25 for feeding an external power supply. The electric wire 25 is inserted inside and outside the housing 11 via a bush 26 fitted 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 electrical 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 . A lighting unit 28 is used for the brightness sensor 27 to guide outside light from the lighting hole 20 of the housing 11 . The lighting unit 28 includes a light-transmitting lighting window 30 fitted in the lighting hole 20 via a packing 29, and external light received from the lighting window 30 is guided to the brightness sensor 27, and the external light enters the housing 11. It is equipped with a light shielding cylinder 31 that prevents the light from being emitted to the outside.

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 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。 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 the mounting portion 18 and a separately used mounting bracket. 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 front end side of the housing 11 is tilted 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 illumination device 10. As shown in FIG.

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 source 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 source of the storage battery 13 when the external power source E fails, and a charging/discharging unit (charging/discharging unit) that charges and discharges the storage battery 13. 41, a brightness sensor 27 for detecting ambient brightness, a control section 43 for controlling the lighting circuit section 40 and the charging/discharging section 41 according to detection by the brightness sensor 27, and the like.

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 it to the light source 12 to light the light source 12 when power is supplied from the external power source E. The power supply of 13 is converted into a predetermined lighting power supply and supplied to the light source 12 to light the light source 12 .

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 the function of a timekeeping unit 45 that measures 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。 In addition, the control unit 43 controls the charging/discharging unit 41, and when the external power supply E fails, discharges the power of the storage battery 13 and supplies it to the power supply unit 14 including the lighting circuit unit 40 and the like. When power is supplied, the lighting circuit section 40 has a function of charging the storage battery 13 except when the light source 12 is lit at a predetermined brightness or more by the external power source E.

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 state of the storage battery 13 and changes in ambient brightness detected by the brightness sensor 27 . The state of charge of the storage battery 13 is, for example, the amount of charge of the storage battery 13, and the amount of charge of the storage battery 13 is detected by the charge amount detection function of the control unit 43. FIG.

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 to dim the light source 12 by the external power source E so that the light source 12 is dimmed 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 of the storage battery 13 for a predetermined time or longer after the power source 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。 The control unit 43 also has a function of charging the storage battery 13 when a predetermined time has passed since 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 clocked by the timer 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。 The lighting device 10 configured in this way operates by the external power source E when the external power source E is supplied with power.

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。 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 external power source E operates the lighting circuit unit 40 to turn on the light source 12. light up.

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 in the early morning and the brightness value detected by the brightness sensor 27 exceeds a predetermined turn-off determination threshold value, the operation of the lighting circuit unit 40 is stopped and the light source 12 is turned on. turn off the light.

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。 In addition, when a predetermined time has passed since the previous charging of the storage battery 13, or when it is determined that the charge amount of the storage battery 13 has decreased below a predetermined value by the charge amount detection function of the control unit 43, for example, the storage battery 13 to charge. This charging of the storage battery 13 is carried out except when the light source 12 is lit with a predetermined brightness or more by the external power source E. In other words, when the light source 12 is lit with a predetermined brightness or more by the external power source E, 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 lit, and the storage battery 13 is not charged during the nighttime when the surroundings are dark and the light source 12 is lit above a predetermined brightness. It should be noted that when the light source 12 is lit at a predetermined brightness or higher includes when the light source 12 is fully lit, when the light source 12 is dimmed at a dimming degree close to full lighting, and the like. 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 crime prevention lights and street lights, electric power rate categories for public street lights are determined by electric power companies, and lighting devices corresponding to each category are provided. If a lighting device that falls under a certain electricity rate category is equipped with a storage battery, the addition of the power for charging the storage battery to the power used to light the light source will cause the lighting device to exceed the applicable electricity rate category, resulting in a loss of the electricity rate category. You may have to move up to a higher 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 at a time other than when the light source 12 is lit at a predetermined brightness or higher by the external power source E. 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 state of the storage battery 13 and changes in ambient brightness detected by the brightness sensor 27. FIG. 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 smaller load (than rapid charging). Alternatively, if the brightness value detected by the brightness sensor 27 is on a downward trend, but the charging of the storage battery 13 is not completed or the charging amount of the storage battery 13 is small, the charging rate is increased. By rapid charging, the charging of the storage battery 13 is completed and the charge amount of the storage battery 13 is completed before the period when the light source 12 is lit at a predetermined brightness or more by the external power source E, that is, before the period when charging is prohibited. can be ensured.

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。 In addition, when the external power source E fails, the power source of the storage battery 13 is discharged, 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。 Even 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, the lighting circuit unit 40 is turned off by the power supply of the storage battery 13. It operates and causes the light source 12 to light up.

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 in the early morning and the brightness value detected by the brightness sensor 27 exceeds a predetermined turn-off determination threshold value, the operation of the lighting circuit unit 40 is stopped and the light source 12 is turned on. turn off the light.

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 canceled and the power supply from the external power source E is resumed, the lighting device 10 operates with the external power source E and charges the storage battery 13 as described above.

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 charging of the storage battery 13 is continued for a predetermined time or longer to compensate for the insufficient charging.

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。 Before the charging of the storage battery 13 elapses for a predetermined time or longer, or before the charging of the storage battery 13 is completed, when the brightness value detected by the brightness sensor 27 falls below a predetermined lighting determination threshold, The charging of the storage battery 13 and the 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 supply E dims the light source 12 to a predetermined brightness or less. Dimming lighting below a predetermined brightness of the light source 12 is set so that the lighting device 10 does not exceed the corresponding electricity rate category even if the power for charging the storage battery 13 and the power for lighting the light source 12 are added. At this time, the power when charging the storage battery 13 is smaller than the 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。 In addition to 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 category to a higher category.

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。 Alternatively, the light source 12 may be dimmed according to the brightness value detected by the brightness sensor 27. FIG. In this case, depending on the dimming degree of the light source 12, the storage battery 13 may be charged or stopped.

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。 According to the lighting device 10 configured as described above, the charging of the storage battery 13 is performed at a time other than when the light source 12 is lit at a predetermined brightness or higher by the external power source E, thereby reducing the electricity cost. The storage battery 13 can be charged without raising the classification to the upper classification.

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。 In addition, by changing the charging rate for charging the storage battery 13 according to the charging state of the storage battery 13 and changes in the ambient brightness detected by the brightness sensor 27, the storage battery 13 is charged so as to extend its life. Alternatively, the charging of the storage battery 13 can be completed or the amount of charge of the storage battery 13 can be secured before the period in which the external power source E illuminates the light source 12 with a predetermined brightness or more.

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。 In addition, when charging the storage battery 13 when the light source 12 is lit, the light source 12 is dimmed and lit at a predetermined brightness or less by the external power source E. 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 charging of the storage battery 13 is continued for a predetermined time or longer, thereby making up for insufficient charging.

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。 In addition, when a predetermined time has passed since the previous charge of the storage battery 13, by charging the storage battery 13, the self-discharged charge amount of the storage battery 13 can be compensated.

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 apparatus can also be applied to other lighting apparatuses, such as garden lights, which 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。 While several embodiments of the invention have been described, these embodiments have been presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and equivalents 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 sources
13 Battery
27 Brightness sensor
40 lighting circuit
41 Charge/discharge section
43 Control part E External power supply

Claims (2)

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；
を具備し、
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
ことを特徴とする照明装置。 an accumulator;
a charging/discharging unit that charges/discharges the storage battery;
a brightness sensor for detecting ambient brightness;
a lighting circuit unit that turns on and off a light source according to the ambient brightness detected by the brightness sensor, using an external power source or the power source of the storage battery when the external power source fails;
The charge/discharge unit is controlled to discharge the power of the storage battery and supply it to the lighting circuit unit when the external power supply fails, and when the external power supply is supplied, the lighting circuit unit energizes the light source to a predetermined level by the external power supply. a control unit that charges the storage battery except when the lighting is at a brightness higher than the brightness;
and
When the storage battery is charged when the light source is turned on, the control unit controls the lighting circuit unit to dim the light source with a predetermined brightness or less by the external power supply.
A lighting device characterized by : 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；
を具備し、
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
ことを特徴とする照明装置。 an accumulator;
a charging/discharging unit that charges/discharges the storage battery;
a brightness sensor for detecting ambient brightness;
a lighting circuit unit that turns on and off a light source according to the ambient brightness detected by the brightness sensor, using an external power source or the power source of the storage battery when the external power source fails;
The charge/discharge unit is controlled to discharge the power of the storage battery and supply it to the lighting circuit unit when the external power supply fails, and when the external power supply is supplied, the lighting circuit unit energizes the light source to a predetermined level by the external power supply. a control unit that charges the storage battery except when the lighting is at a brightness higher than the brightness;
and
The lighting device, wherein the control unit changes a charging rate for charging the storage battery according to a charging state of the storage battery and a change in ambient brightness detected by the brightness sensor.
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Citations (3)

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Publication number Priority date Publication date Assignee Title
WO2012115173A1 (en) 2011-02-22 2012-08-30 サイバーコイン株式会社 Led illumination device for fluorescent light fixture
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012115173A1 (en) 2011-02-22 2012-08-30 サイバーコイン株式会社 Led illumination device for fluorescent light fixture
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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