JPH04334933A - Controller for signaling device - Google Patents
Controller for signaling deviceInfo
- Publication number
- JPH04334933A JPH04334933A JP3133363A JP13336391A JPH04334933A JP H04334933 A JPH04334933 A JP H04334933A JP 3133363 A JP3133363 A JP 3133363A JP 13336391 A JP13336391 A JP 13336391A JP H04334933 A JPH04334933 A JP H04334933A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power source
- external power
- solar cell
- storage battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000011664 signaling Effects 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 description 8
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、外部電源、太陽電池、
太陽電池によって充電される蓄電池よりなる３種の電源
を使用した交通信号機の制御装置に関する。[Industrial Application Field] The present invention is applicable to external power sources, solar cells,
The present invention relates to a traffic signal control device that uses three types of power sources consisting of storage batteries charged by solar cells.
【０００２】0002
【従来の技術】従来の交通信号機は、図２に示すように
、電球、ＬＥＤ発光素子のような灯器２と、外部電源７
と、制御部５で構成されている。この制御部５は、外部
電源７より電力の供給を受けて灯器２の発光を制御する
ものである。2. Description of the Related Art A conventional traffic signal, as shown in FIG.
and a control section 5. The control section 5 receives power from an external power source 7 and controls the light emission of the lamp device 2 .
【０００３】0003
【発明が解決しようとする課題】このように、従来の交
通信号機の制御装置においては、電源を外部電源７に依
存しているために、停電時には信号機が動作不能に陥る
という問題があった。そこで、本発明は、このような問
題を解決するために考えられたもので、外部電源が停電
しても、太陽電池によって充電される蓄電池を予備電源
として、信号機を動作させ得る交通信号機の制御装置を
提供することを目的とするものである。As described above, since the conventional traffic signal control device relies on the external power source 7 for power, there is a problem in that the traffic signal becomes inoperable in the event of a power outage. Therefore, the present invention was devised to solve such problems, and is a traffic signal control system that can operate the traffic signal using a storage battery charged by a solar cell as a backup power source even if the external power supply fails. The purpose is to provide a device.
【０００４】0004
【課題を解決するための手段】外部電源７、太陽電池１
、この太陽電池１によって充電される蓄電池４よりなる
３種の電源と、太陽電池１の出力電圧を蓄電池４の充電
に必要な電圧と余剰電圧とに分圧する分圧回路３と、外
部電源７の電圧および余剰電圧を検知して、外部電源、
余剰電圧、蓄電池のうちから電源を選択する電源選択部
と、この電源選択部で選択された電源により動作する灯
器２の制御部５とを具備する。[Means for solving the problem] External power supply 7, solar battery 1
, three types of power sources consisting of a storage battery 4 charged by this solar cell 1, a voltage dividing circuit 3 that divides the output voltage of the solar cell 1 into a voltage necessary for charging the storage battery 4 and a surplus voltage, and an external power source 7. voltage and surplus voltage to detect the external power supply,
It includes a power source selection section that selects a power source from surplus voltage and a storage battery, and a control section 5 for the lamp 2 that operates with the power source selected by the power source selection section.
【０００５】[0005]
【実施例】図１に示すように、電球、ＬＥＤ発光素子の
ような灯器２と、制御部５と、太陽電池１と、外部電源
７の他に、分圧回路３と、蓄電池４と、電源選択部（６
１、６２）とを備えている。[Embodiment] As shown in FIG. 1, in addition to a lamp device 2 such as a light bulb or an LED light emitting element, a control unit 5, a solar cell 1, and an external power source 7, a voltage dividing circuit 3 and a storage battery 4 are provided. , power supply selection section (6
1, 62).
【０００６】分圧回路３は、太陽電池１の出力が印加さ
れ、抵抗３１、ツエナー・ダイオード３２、抵抗３３の
直列回路であって、太陽電池１で発生した電圧を、蓄電
池４の充電に適した電圧と余剰電圧とに分け、蓄電池４
を充電するものであり、外部電源７は、電力線から電力
の供給を受ける部分である。なお、抵抗３１は、電流制
限用の抵抗であり、ツエナー・ダイオード３２としては
、そのツエナー電圧が、蓄電池４の充電に適した電圧の
ものが選ばれる。The voltage divider circuit 3 is a series circuit including a resistor 31, a Zener diode 32, and a resistor 33, to which the output of the solar cell 1 is applied, and is adapted to use the voltage generated by the solar cell 1 to charge the storage battery 4. The storage battery 4
The external power source 7 is a part that receives power from a power line. The resistor 31 is a current limiting resistor, and the Zener diode 32 is selected from a Zener diode whose Zener voltage is suitable for charging the storage battery 4.
【０００７】電源選択部は、電圧検知回路６２と切換ス
イッチ６１とから成り、太陽電池１、蓄電池４、外部電
源７のうちから、１つの電源を選択して電力を制御部５
に供給するもので、電圧検知回路６２により外部電源７
の電圧および抵抗３３に生じる余剰電圧を検知して、切
換スイッチ６１制御し、制御部５を最適な電源に切り換
えて接続する。The power source selection section is composed of a voltage detection circuit 62 and a changeover switch 61, and selects one power source from among the solar cell 1, storage battery 4, and external power source 7, and transfers the power to the control section 5.
The external power supply 7 is supplied by the voltage detection circuit 62.
and the excess voltage generated in the resistor 33, the selector switch 61 is controlled, and the control unit 5 is switched to and connected to the optimum power source.
【０００８】次に、このように構成された装置の動作を
説明する。電圧検知回路６２によって検知される外部電
源７の電圧および抵抗３３に生じる太陽電池１の余剰電
圧と、切換スイッチ６１で選択される３種の電源との関
係は、次の表１に示すとおりである。Next, the operation of the device configured as described above will be explained. The relationship between the voltage of the external power source 7 detected by the voltage detection circuit 62 and the surplus voltage of the solar cell 1 generated at the resistor 33 and the three types of power sources selected by the changeover switch 61 is as shown in Table 1 below. be.
【０００９】
太陽電池１に日光が入射すると、その入射光量に対
応した出力電圧を発生するが、その発生電圧がツエナー
・ダイオード３２のツエナー電圧まで上昇すると、抵抗
３１、ツエナー・ダイオード３２、抵抗３３の直列回路
のうち、まず、ツエナー・ダイオード３２の両端にツエ
ナー電圧が生じるから、逆流防止用ダイオード４１を介
して蓄電池４が充電される。When sunlight enters the solar cell 1 , it generates an output voltage corresponding to the amount of incident light, but when the generated voltage rises to the Zener voltage of the Zener diode 32 , the resistors 31 , 32 , 33 In the series circuit, since a Zener voltage is first generated across the Zener diode 32, the storage battery 4 is charged via the backflow prevention diode 41.
【００１０】さらに、太陽電池１の出力電圧が上昇する
と、抵抗３３に十分な余剰電圧を生じるから、蓄電池１
を充電しながら、制御部５および灯器２を動作させるこ
とが可能になる。Furthermore, when the output voltage of the solar cell 1 increases, a sufficient surplus voltage is generated in the resistor 33, so that the storage battery 1
It becomes possible to operate the control unit 5 and the lamp 2 while charging the battery.
【００１１】日照がなく、外部電源７が停電のときには
、電圧検知回路６２において、太陽電池１および外部電
源７の両出力電圧が低下していることを検知するので、
切換スイッチ６１は、蓄電池４に接続される。When there is no sunlight and the external power source 7 is out of power, the voltage detection circuit 62 detects that both the output voltages of the solar cell 1 and the external power source 7 are decreasing.
The changeover switch 61 is connected to the storage battery 4 .
【００１２】日照がなく、外部電源７が正常なときには
、電圧検知回路６２において、太陽電池１の出力電圧が
低下し、外部電源７の出力電圧が正常であることを検知
するので、切換スイッチ６１は、外部電源７に接続され
る。When there is no sunlight and the external power source 7 is normal, the voltage detection circuit 62 detects that the output voltage of the solar cell 1 decreases and that the output voltage of the external power source 7 is normal. is connected to an external power supply 7.
【００１３】日照があって、抵抗３３に十分な電圧を生
じており、外部電源７が停電のときには、電圧検知回路
６２において、太陽電池１より出力を発生していること
、および外部電源７の出力電圧が低下していることを検
知するので、切換スイッチ６１は、太陽電池１の出力を
取り出す抵抗３３に接続される。When there is sunlight and sufficient voltage is generated in the resistor 33 and the external power supply 7 is out of power, the voltage detection circuit 62 detects that the solar cell 1 is generating an output and that the external power supply 7 is generating a sufficient voltage. Since it is detected that the output voltage is decreasing, the changeover switch 61 is connected to the resistor 33 that takes out the output of the solar cell 1.
【００１４】日照があって、抵抗３３に十分な余剰電圧
を生じており、かつ、外部電源７も正常なときには、電
圧検知回路６２において、太陽電池１および外部電源７
より出力を発生していることを検知するので、切換スイ
ッチ６１は、太陽電池１の余剰電圧を取り出す抵抗３３
に接続されて、外部電源７の消費を避ける。When there is sunlight and a sufficient surplus voltage is generated in the resistor 33 and the external power supply 7 is also normal, the voltage detection circuit 62 detects the voltage between the solar cell 1 and the external power supply 7.
Since it detects that more output is being generated, the changeover switch 61 connects the resistor 33 to take out the excess voltage of the solar cell 1.
to avoid consumption of the external power supply 7.
【００１５】[0015]
【発明の効果】以上の実施例の説明から明らかなように
、本発明によると、外部電源７、太陽電池１、この太陽
電池１によって充電される蓄電池４よりなる３種の電源
を使い分けるように構成されているので、外部電源７が
停電しても蓄電池４によって信号機を動作することがで
き、また、太陽電池１で蓄電池４を充電し、余剰電圧が
生じたときには、この余剰電圧で信号機を動作させ得る
ので、外部電源７の消費を節約できるという効果を奏す
ることができる。Effects of the Invention As is clear from the description of the embodiments above, according to the present invention, three types of power sources, consisting of an external power source 7, a solar cell 1, and a storage battery 4 charged by the solar cell 1, can be selectively used. Therefore, even if the external power supply 7 is out of power, the storage battery 4 can operate the traffic signal.Also, when the storage battery 4 is charged by the solar battery 1 and surplus voltage is generated, the traffic signal can be operated using this surplus voltage. Since the external power source 7 can be operated, it is possible to save the consumption of the external power source 7.
【図１】本発明の信号機の制御装置の一実施例を示すブ
ロック図、FIG. 1 is a block diagram showing an embodiment of a traffic light control device of the present invention;
【図２】従来の信号機の制御装置の一例を示すブロック
図である。FIG. 2 is a block diagram showing an example of a conventional traffic light control device.
１ 太陽電池 ２ 灯器 ３ 分圧回路 ３２ ツエナー・ダイオード ３３ 抵抗 ４ 蓄電池 ５ 制御部 ６１ 切換スイッチ ６２ 電圧検知回路 ７ 外部電源 1. Solar cells 2. Light equipment 3 Voltage divider circuit 32 Zener diode 33 Resistance 4 Storage battery 5 Control section 61 Selector switch 62 Voltage detection circuit 7 External power supply
Claims (1)
って充電される蓄電池よりなる３種の電源と、前記太陽
電池の出力電圧を前記蓄電池の充電に必要な電圧と余剰
電圧とに分圧する分圧回路と、前記外部電源の電圧およ
び前記余剰電圧を検知して、前記外部電源、余剰電圧、
蓄電池のうちから電源を選択する電源選択部と、該電源
選択部で選択された電源により動作する灯器の制御部と
を具備することを特徴とする信号機の制御装置。1. Three types of power sources consisting of an external power source, a solar cell, and a storage battery charged by the solar cell, and a voltage divider for dividing the output voltage of the solar cell into a voltage necessary for charging the storage battery and a surplus voltage. voltage circuit, detects the voltage of the external power supply and the surplus voltage, and detects the voltage of the external power supply, the surplus voltage,
1. A control device for a traffic light, comprising: a power source selection section that selects a power source from among storage batteries; and a control section for a lamp device that operates with the power source selected by the power source selection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3133363A JPH04334933A (en) | 1991-05-10 | 1991-05-10 | Controller for signaling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3133363A JPH04334933A (en) | 1991-05-10 | 1991-05-10 | Controller for signaling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04334933A true JPH04334933A (en) | 1992-11-24 |
Family
ID=15102976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3133363A Pending JPH04334933A (en) | 1991-05-10 | 1991-05-10 | Controller for signaling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04334933A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005310079A (en) * | 2004-04-20 | 2005-11-04 | Sankosha Corp | Traffic signal system |
| JP2007233941A (en) * | 2006-03-03 | 2007-09-13 | Nippon Telegr & Teleph Corp <Ntt> | Self-driven type telemetry observation device |
| JP2008071176A (en) * | 2006-09-14 | 2008-03-27 | Sumitomo Electric Ind Ltd | Traffic signal controller |
-
1991
- 1991-05-10 JP JP3133363A patent/JPH04334933A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005310079A (en) * | 2004-04-20 | 2005-11-04 | Sankosha Corp | Traffic signal system |
| JP2007233941A (en) * | 2006-03-03 | 2007-09-13 | Nippon Telegr & Teleph Corp <Ntt> | Self-driven type telemetry observation device |
| JP2008071176A (en) * | 2006-09-14 | 2008-03-27 | Sumitomo Electric Ind Ltd | Traffic signal controller |
| JP4743058B2 (en) * | 2006-09-14 | 2011-08-10 | 住友電気工業株式会社 | Traffic signal controller |
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