JP2002010519A - Power system in remote device - Google Patents
Power system in remote deviceInfo
- Publication number
- JP2002010519A JP2002010519A JP2000181378A JP2000181378A JP2002010519A JP 2002010519 A JP2002010519 A JP 2002010519A JP 2000181378 A JP2000181378 A JP 2000181378A JP 2000181378 A JP2000181378 A JP 2000181378A JP 2002010519 A JP2002010519 A JP 2002010519A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- power supply
- voltage
- solar cell
- warning
- 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.)
- Granted
Links
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
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Selective Calling Equipment (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、遠隔地に設置され
ネットワークを介してセンター装置とデータの送受信を
行う遠隔装置における電源方式に関し、特に太陽電池と
二次電池とを用いて遠隔装置の電源供給を行う遠隔装置
における電源方式に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply system for a remote device which is installed at a remote place and transmits / receives data to / from a center device via a network, and more particularly to a power supply system for a remote device using a solar battery and a secondary battery. The present invention relates to a power supply system in a remote device for supplying power.
【０００２】[0002]
【従来の技術】従来、遠隔地に設置された遠隔装置とセ
ンター側に設置されたセンター装置とをネットワークを
介して接続し、これらの装置間で種々データの送受信等
を行うシステムがある。通常この種の遠隔装置は管理担
当者不在の場所に設置されることが多いため、遠隔装置
に対する電源の供給制御にはとりわけ注意が払われてい
る。2. Description of the Related Art Conventionally, there is a system in which a remote device installed in a remote place and a center device installed in a center are connected via a network, and various data are transmitted and received between these devices. Since such a remote device is usually installed in a place where an administrator is not present, special attention is paid to controlling the power supply to the remote device.
【０００３】従来の遠隔装置に対する電源方式として
は、商用ＡＣ電源から動作用のＤＣ電源を生成する電源
装置と電池とを遠隔装置に備え、通常は商用電源を使用
し、停電時は電池から供給するようにした電源方式があ
る。しかしながら、商用電源から電源供給を受ける場合
には電源工事等の費用がかさむ他に、商用電源の契約者
と遠隔装置の所有者が異なる場合には煩雑な交渉を要し
た。As a conventional power supply method for a remote device, a power supply device for generating a DC power supply for operation from a commercial AC power supply and a battery are provided in the remote device. There is a power supply system designed to do so. However, when power is supplied from a commercial power source, the cost of power supply work is increased, and complicated negotiations are required when the contractor of the commercial power source and the owner of the remote device are different.
【０００４】このため、商用電源と電池の組み合わせに
代わるものとして、太陽電池と二次電池を組み合わせた
電源システムを用いた例がある。この例としては、例え
ば特開２０００−１０２１９１号公報の無線遠隔検針装
置の電源方式があり、この公報においては、太陽電池か
ら二次電池を充電し、太陽電池の出力だけでは足らない
ときに二次電池からも電源供給することが記載されてい
る。Therefore, as an alternative to the combination of a commercial power supply and a battery, there is an example using a power supply system combining a solar battery and a secondary battery. As an example of this, for example, there is a power supply system of a wireless remote meter reading device disclosed in Japanese Patent Application Laid-Open No. 2000-102191. In this publication, a secondary battery is charged from a solar battery, and when the output of the solar battery alone is not sufficient. It is described that power is also supplied from a secondary battery.
【０００５】[0005]
【発明が解決しようとする課題】遠隔装置のような管理
担当者不在の場所に設置されることが多い装置において
は、装置に対する電源の継続した供給が特に重要であ
る。このため、太陽電池や二次電池の何らかの異常によ
る電源供給不良、また二次電池の劣化等による交換の必
要性等の事態が発生したときには管理担当者に知らせ、
交換，修理等の対応を迅速に行うようにすることが必要
である。しかし、上述した特開２０００−１０２１９１
号公報に記載の発明においては以上の問題に対応してお
らず、安定，継続した電源供給に難点がある。In devices that are often installed in an unattended location, such as remote devices, the continuous supply of power to the device is particularly important. For this reason, when a situation such as a power supply failure due to some abnormality of the solar battery or the secondary battery, or a necessity of replacement due to the deterioration of the secondary battery or the like occurs, the management person is notified,
It is necessary to promptly take measures such as replacement and repair. However, as described in JP-A-2000-102191 described above.
The invention described in the above publication does not address the above problem, and has a problem in stable and continuous power supply.
【０００６】本発明は、以上の問題を解決する遠隔装置
における電源方式を提供することを目的としている。An object of the present invention is to provide a power supply system in a remote device that solves the above problems.
【０００７】[0007]
【課題を解決するための手段】本発明の第１の遠隔装置
における電源方式は、遠隔地に設置されネットワークを
介してセンター装置とデータの送受信を行う遠隔装置に
おける電源方式であって、太陽電池と、二次電池である
メイン電池とバックアップ電池とを前記遠隔装置に電力
供給源として備え、負荷に対して前記太陽電池と前記メ
イン電池との並列回路から電力を供給し、この並列回路
の出力電圧が予め設定された所定電圧以下になったとき
に、前記負荷への電力供給を前記並列回路から前記バッ
クアップ電池に切り換える電源供給切換手段と、前記太
陽電池からの出力電圧が予め設定された基準電圧より大
きい場合は、前記太陽電池から前記メイン電池と前記バ
ックアップ電池の両方を充電し、前記太陽電池からの出
力電圧が前記基準電圧以下の場合は、前記メイン電池か
ら前記バックアップ電池を充電するよう切り換える充電
切換手段と、前記電源供給切換手段により前記バックア
ップ電池からの電力供給に切り換えられたとき、前記ネ
ットワークを介して前記センター装置に警告通知を行う
警告通知手段とを有する。A power supply system in a first remote device according to the present invention is a power supply system in a remote device which is installed at a remote place and transmits / receives data to / from a center device via a network. A main battery and a backup battery, which are secondary batteries, are provided to the remote device as a power supply source, and power is supplied to a load from a parallel circuit of the solar battery and the main battery, and an output of the parallel circuit is provided. Power supply switching means for switching the power supply to the load from the parallel circuit to the backup battery when the voltage becomes equal to or lower than a predetermined voltage, and an output voltage from the solar cell being a predetermined reference. When the voltage is higher than the voltage, both the main battery and the backup battery are charged from the solar cell, and the output voltage from the solar cell is equal to the reference voltage. If the voltage is equal to or less than the voltage, the charging device switches from the main battery to charge the backup battery, and the power supply switching device switches the power supply from the backup battery to the center device via the network. And a warning notification means for performing a warning notification.
【０００８】本発明の第２の遠隔装置における電源方式
は、本発明の第１の遠隔装置における電源方式におい
て、前記太陽電池の出力電圧を一定時間毎に検出し、そ
の検出電圧と発電していないとみなされる程度の予め設
定された一定電圧とを比較し、前記検出電圧が前記一定
電圧を所定回数連続して下回ったときに前記太陽電池を
異常と検出する太陽電池異常検出手段をさらに有し、前
記警告通知手段は、前記太陽電池異常検出手段による前
記太陽電池の異常検出を受けて、前記ネットワークを介
して前記センター装置に警告通知を行うことを特徴とす
る。[0008] The power supply system in the second remote device of the present invention is the power supply system in the first remote device of the present invention, wherein the output voltage of the solar cell is detected at regular time intervals, and the detected voltage is generated. A solar cell abnormality detecting unit that compares the detected voltage with a predetermined constant voltage that is regarded as not being present and that detects the solar cell as abnormal when the detected voltage continuously falls below the constant voltage for a predetermined number of times; Then, the warning notifying unit receives the abnormality detection of the solar cell by the solar cell abnormality detecting unit and performs a warning notification to the center device via the network.
【０００９】本発明の第３の遠隔装置における電源方式
は、本発明の第２の遠隔装置における電源方式におい
て、前記電源供給切換手段により前記バックアップ電池
からの電力供給に切り換えられたとき、または、前記太
陽電池異常検出手段により前記太陽電池の異常が検出さ
れたときに、装置内に警告を表示する警告表示手段をさ
らに有する。The power supply system in the third remote device according to the present invention is the power supply system in the second remote device according to the present invention, wherein the power supply switching means switches to the power supply from the backup battery, or There is further provided a warning display unit for displaying a warning in the device when the solar cell abnormality detection unit detects the abnormality of the solar cell.
【００１０】本発明の第４の遠隔装置における電源方式
は、本発明の第１，第２または第３の遠隔装置における
電源方式において、前記バックアップ電池の容量は前記
メイン電池の容量より小さいことを特徴とする。[0010] The power supply system in the fourth remote device of the present invention is the power supply system in the first, second or third remote device of the present invention, wherein the capacity of the backup battery is smaller than the capacity of the main battery. Features.
【００１１】本発明の第５の遠隔装置における電源方式
は、本発明の第１，第２または第３の遠隔装置における
電源方式において、前記バックアップ電池を大容量コン
デンサに代えたことを特徴とする。According to a fifth aspect of the present invention, there is provided a power supply system for a remote device, wherein the backup battery is replaced with a large-capacity capacitor in the first, second or third power supply system of the present invention. .
【００１２】本発明の第６の遠隔装置における電源方式
は、本発明の第１，第２または第３の遠隔装置における
電源方式において、前記所定電圧は前記負荷の最低動作
電圧であることを特徴とする。According to a sixth aspect of the present invention, in the power supply system of the first, second, or third remote apparatus, the predetermined voltage is a minimum operating voltage of the load. And
【００１３】本発明の第７の遠隔装置における電源方式
は、遠隔地に設置されネットワークを介してセンター装
置とデータの送受信を行う遠隔装置における電源方式で
あって、負荷に電力を供給する太陽電池，二次電池であ
るメイン電池の並列回路と、前記並列回路と切り換えら
れて前記負荷に電力を供給する二次電池であるバックア
ップ電池と、前記太陽電池および前記並列回路の出力電
圧を常時検出し、検出した前記太陽電池の出力電圧と予
め設定された基準電圧との比較結果と、検出した前記並
列回路の出力電圧と予め設定された所定電圧との比較結
果とを切換制御部に通知するとともに、前記太陽電池の
出力電圧を一定時間毎に検出し、その検出電圧と発電し
ていないとみなされる程度の予め設定された一定電圧と
を比較し、前記検出電圧が前記一定電圧を所定回数連続
して下回ったときに前記切換制御部に通知する電池電圧
検出・比較回路と、前記電池電圧検出・比較回路により
検出した前記太陽電池の出力電圧が予め設定された基準
電圧より大きい場合は、前記太陽電池から前記メイン電
池と前記バックアップ電池の両方を充電し、前記太陽電
池の出力電圧が前記基準電圧以下の場合は、前記メイン
電池から前記バックアップ電池を充電するよう充電回路
に指示し、前記並列回路の出力電圧が前記所定電圧以下
の場合は、前記負荷への電力供給を前記並列回路から前
記バックアップ電池に切り換えるよう電源供給切換スイ
ッチを動作させるとともに、この電源供給切換スイッチ
の動作時または前記太陽電池の検出電圧が前記一定電圧
を所定回数連続して下回ったことを通知された時に、警
告表示を警告表示部に表示させる一方、前記センター装
置に警告通知を行うよう通信部に指示する切換制御部
と、前記切換制御部の制御により、前記太陽電池からの
前記メイン電池，前記バックアップ電池充電と、前記メ
イン電池からの前記バックアップ電池充電とを切り換え
る充電切換部を備えた充電回路と、前記切換制御部の制
御により前記負荷への電力供給を前記並列回路から前記
バックアップ電池に切り換える電源供給切換スイッチ
と、前記切換制御部の指示により警告表示を行う警告表
示部と、前記切換制御部の指示により前記ネットワーク
を介して前記センター装置に警告通知を行う通信部とを
有する。A power supply system in a seventh remote device according to the present invention is a power supply system in a remote device which is installed in a remote place and transmits / receives data to / from a center device via a network, and supplies power to a load. A parallel circuit of a main battery as a secondary battery, a backup battery as a secondary battery switched to the parallel circuit and supplying power to the load, and an output voltage of the solar cell and the parallel circuit. Notifying the switching control unit of a comparison result between the detected output voltage of the solar cell and a preset reference voltage, and a comparison result between the detected output voltage of the parallel circuit and a preset predetermined voltage. The output voltage of the solar cell is detected at regular intervals, and the detected voltage is compared with a preset constant voltage at which power generation is not considered to be performed. A battery voltage detection / comparison circuit that notifies the switching control unit when the voltage continuously drops below the constant voltage for a predetermined number of times, and an output voltage of the solar cell detected by the battery voltage detection / comparison circuit is set in advance. If the output voltage of the solar cell is lower than the reference voltage, the main battery and the backup battery are charged from the main battery. When the output voltage of the parallel circuit is equal to or lower than the predetermined voltage, a power supply switch is operated so as to switch the power supply to the load from the parallel circuit to the backup battery. When the supply changeover switch is operated or the detection voltage of the solar cell falls below the constant voltage for a predetermined number of times continuously. When notified, a warning display is displayed on a warning display unit, and a switching control unit that instructs a communication unit to perform a warning notification to the center device. A charging circuit having a charge switching unit for switching between charging of the battery and the backup battery, and charging of the backup battery from the main battery; and controlling the switching control unit to supply power to the load from the parallel circuit. A power supply switch for switching to a battery, a warning display unit for displaying a warning according to an instruction from the switching control unit, and a communication unit for notifying a warning to the center device via the network according to an instruction from the switching control unit. .
【００１４】本発明の第８の遠隔装置における電源方式
は、遠隔地に設置されネットワークを介してセンター装
置とデータの送受信を行う遠隔装置における電源方式で
あって、太陽電池と二次電池と一次電池とを前記遠隔装
置に電力供給源として備え、負荷に対して前記太陽電池
と前記二次電池の並列回路から電力を供給し、この並列
回路の出力電圧が予め設定された所定電圧以下になった
ときに、前記負荷への電力供給を前記並列回路から前記
一次電池に切り換える電源供給切換手段と、前記太陽電
池から前記二次電池を充電する充電手段と、前記電源供
給切換手段により前記一次電池からの電力供給に切り換
えられたとき、前記ネットワークを介して前記センター
装置に警告通知を行う警告通知手段とを有する。The power system of the eighth remote device of the present invention is a power system of a remote device which is installed in a remote place and transmits / receives data to / from a center device via a network, and includes a solar battery, a secondary battery, and a primary battery. A battery is provided in the remote device as a power supply source, and power is supplied to a load from a parallel circuit of the solar cell and the secondary battery, and the output voltage of the parallel circuit becomes equal to or lower than a predetermined voltage. Power supply switching means for switching power supply to the load from the parallel circuit to the primary battery, charging means for charging the secondary battery from the solar cell, and the primary battery by the power supply switching means. And a warning notifying unit for notifying a warning to the center device via the network when the power supply is switched from the power supply to the center device.
【００１５】本発明の第９の遠隔装置における電源方式
は、本発明の第８の遠隔装置における電源方式におい
て、前記太陽電池の出力電圧を一定時間毎に検出し、そ
の検出電圧と発電していないとみなされる程度の予め設
定された一定電圧とを比較し、前記検出電圧が前記一定
電圧を所定回数連続して下回ったときに前記太陽電池を
異常と検出する太陽電池異常検出手段をさらに有し、前
記警告通知手段は、前記太陽電池異常検出手段による前
記太陽電池の異常検出を受けて、前記ネットワークを介
して前記センター装置に警告通知を行うことを特徴とす
る。According to a ninth power supply system of the remote device of the present invention, in the power supply system of the eighth remote device of the present invention, the output voltage of the solar cell is detected at predetermined time intervals, and the detected voltage is generated. A solar cell abnormality detecting unit that compares the detected voltage with a predetermined constant voltage that is regarded as not being present and that detects the solar cell as abnormal when the detected voltage continuously falls below the constant voltage for a predetermined number of times; Then, the warning notifying unit receives the abnormality detection of the solar cell by the solar cell abnormality detecting unit and performs a warning notification to the center device via the network.
【００１６】本発明の第１０の遠隔装置における電源方
式は、本発明の第９の遠隔装置における電源方式におい
て、前記電源供給切換手段により前記一次電池からの電
力供給に切り換えられたとき、または、前記太陽電池異
常検出手段により前記太陽電池の異常が検出されたとき
に、装置内に警告を表示する警告表示手段をさらに有す
る。The power supply system in the tenth remote device according to the present invention is the power supply system in the ninth remote device according to the present invention, wherein the power supply switching means switches to power supply from the primary battery, or There is further provided a warning display unit for displaying a warning in the device when the solar cell abnormality detection unit detects the abnormality of the solar cell.
【００１７】本発明の第１１の遠隔装置における電源方
式は、遠隔地に設置されネットワークを介してセンター
装置とデータの送受信を行う遠隔装置における電源方式
であって、負荷に電力を供給する太陽電池，二次電池で
あるメイン電池の並列回路と、前記並列回路と切り換え
られて前記負荷に電力を供給する一次電池であるバック
アップ電池と、前記並列回路の出力電圧を検出し、検出
した前記並列回路の出力電圧と予め設定された所定電圧
との比較結果を切換制御部に通知するとともに、前記太
陽電池の出力電圧を一定時間毎に検出し、その検出電圧
と発電していないとみなされる程度の予め設定された一
定電圧とを比較し、前記検出電圧が前記一定電圧を所定
回数連続して下回ったときに前記切換制御部に通知する
電池電圧検出・比較回路と、前記並列回路の出力電圧が
前記所定電圧以下の場合は、前記負荷への電力供給を前
記並列回路から前記バックアップ電池に切り換えるよう
電源供給切換スイッチを動作させるとともに、この電源
供給切換スイッチの動作時または前記太陽電池の検出電
圧が前記一定電圧を所定回数連続して下回ったことを通
知された時に、警告表示を警告表示部に表示させる一
方、前記センター装置に警告通知を行うよう通信部に指
示する切換制御部と、前記太陽電池から前記メイン電池
への充電を行う充電回路と、前記切換制御部の制御によ
り前記負荷への電力供給を前記並列回路から前記バック
アップ電池に切り換える電源供給切換スイッチと、前記
切換制御部の指示により警告表示を行う警告表示部と、
前記切換制御部の指示により前記ネットワークを介して
前記センター装置に警告通知を行う通信部とを有する。An eleventh power supply system for a remote device according to the present invention is a power supply system for a remote device which is installed in a remote place and transmits / receives data to / from a center device via a network, and supplies power to a load. A parallel circuit of a main battery as a secondary battery, a backup battery as a primary battery which is switched with the parallel circuit and supplies power to the load, and an output voltage of the parallel circuit, and the detected parallel circuit Notifying the switching control unit of the result of comparison between the output voltage of the photovoltaic device and a predetermined voltage set in advance, and detecting the output voltage of the solar cell at regular time intervals, the detected voltage and the degree of being considered as not generating power A battery voltage detection / ratio that compares the detected voltage with a predetermined constant voltage and notifies the switching control unit when the detected voltage falls continuously below the constant voltage for a predetermined number of times. When the output voltage of the circuit and the parallel circuit is equal to or less than the predetermined voltage, a power supply changeover switch is operated so as to switch the power supply to the load from the parallel circuit to the backup battery. During operation or when notified that the detected voltage of the solar cell has been continuously lower than the predetermined voltage by a predetermined number of times, a communication unit is configured to display a warning display on a warning display unit and to perform a warning notification to the center device. And a charging circuit for charging the main battery from the solar cell, and a power supply switch for switching power supply to the load from the parallel circuit to the backup battery under the control of the switching control unit. A switch, a warning display unit that performs a warning display according to an instruction of the switching control unit,
A communication unit that issues a warning notification to the center device via the network in accordance with an instruction from the switching control unit.
【００１８】本発明の第１２の遠隔装置における電源方
式は、本発明の第１，第２，第３，第７，第８，第９，
第１０または第１１の遠隔装置における電源方式におい
て、前記太陽電池と前記メイン電池の容量を、１年を通
じて前記負荷に前記負荷の最低動作電圧以上の電力を継
続して供給可能な容量に設定しておき、前記並列回路の
出力電圧が前記最低動作電圧以下になったときに前記警
告通知，表示を行うことにより、警告を受けた装置の管
理担当者が前記太陽電池もしくは前記メイン電池の異常
か前記メイン電池の交換時期と判断可能としたことを特
徴とする。The power supply system in the twelfth remote device of the present invention is the same as the first, second, third, seventh, eighth, ninth, and ninth embodiments of the present invention.
In a tenth or eleventh power supply system for a remote device, the capacities of the solar battery and the main battery are set to a capacity capable of continuously supplying power equal to or higher than a minimum operating voltage of the load to the load throughout the year. The warning notification and display are performed when the output voltage of the parallel circuit becomes equal to or lower than the minimum operating voltage, so that the person in charge of the apparatus receiving the warning can determine whether the solar cell or the main battery is abnormal. It is characterized in that it is possible to determine when it is time to replace the main battery.
【００１９】[0019]
【発明の実施の形態】本発明の実施の形態について図面
を参照して詳細に説明する。Embodiments of the present invention will be described in detail with reference to the drawings.
【００２０】図１は、本発明の一実施の形態の構成を示
すブロック図であり、センター装置１と、遠隔装置２
と、これらを相互に結ぶＩＳＤＮ等のネットワーク３と
を含んでいる。なお、４は中継局、５は遠隔装置２に接
続されている外部装置である。FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.
And a network 3 such as an ISDN for interconnecting them. 4 is a relay station, and 5 is an external device connected to the remote device 2.
【００２１】センター装置１は、遠隔装置２とのデータ
を送受信する通信部１１と、キーボード等の入力装置と
情報を記憶する記憶装置とディスプレイ装置とを含む制
御装置１２と、印刷やデータを出力するための出力装置
１３と、無停電電源装置１４とを備えている。The center device 1 includes a communication unit 11 for transmitting and receiving data to and from the remote device 2, an input device such as a keyboard, a control device 12 including a storage device for storing information and a display device, and printing and outputting data. Output device 13 and an uninterruptible power supply 14.
【００２２】遠隔装置２は、センター装置１とデータの
送受信を行う通信部２１と、遠隔装置２全体のコントロ
ールを行う制御部２２と、各部への電力供給を制御する
電源制御部２３と、太陽電池２４と、メイン電池２５
と、バックアップ電池２６と、バックアップ電池２６か
らの電力供給に切り換えられたときに警告を表示する警
告表示部２７とを備えている。このメイン電池２５およ
びバックアップ電池２６は、二次電池である。制御部２
２は、電池電圧を検出して基準電圧と比較する電池電圧
検出・比較回路２２１と、電池電圧検出・比較回路２２
１の検出，比較結果により電力供給元をバックアップ電
池２６に切り換えたり、バックアップ電池２６への充電
を太陽電池２４からメイン電池２５に切り換える切換制
御部２２２と、外部装置インターフェース部２２３とを
備えている。The remote device 2 includes a communication unit 21 for transmitting and receiving data to and from the center device 1, a control unit 22 for controlling the entire remote device 2, a power control unit 23 for controlling power supply to each unit, Battery 24 and main battery 25
, A backup battery 26, and a warning display unit 27 for displaying a warning when the power supply is switched to the backup battery 26. The main battery 25 and the backup battery 26 are secondary batteries. Control unit 2
2 is a battery voltage detection / comparison circuit 221 for detecting a battery voltage and comparing it with a reference voltage, and a battery voltage detection / comparison circuit 22
The switching control unit 222 switches the power supply source to the backup battery 26 based on the detection and comparison results of 1 and switches the charging of the backup battery 26 from the solar battery 24 to the main battery 25, and the external device interface unit 223. .
【００２３】図２は、図１の制御部２２，電源制御部２
３の一例を示す図である。FIG. 2 shows the control unit 22 and the power supply control unit 2 shown in FIG.
FIG. 3 is a diagram showing an example of No. 3;
【００２４】電源制御部２３は、逆流防止ダイードＤ
１，Ｄ２を介して充電回路２３１を備えており、太陽電
池２４から負荷２８に電力供給する一方、メイン電池２
５およびバックアップ電池２６を充電している。メイン
電池２５は、太陽電池２４とともに負荷２８に電力を供
給している。充電回路２３１の充電切換部２３１１は、
太陽電池２４の出力電圧が予め設定された基準電圧以下
に低下したときに、太陽電池２４からメイン電池２５，
バックアップ電池２６への充電を、メイン電池２５から
バックアップ電池２６への充電に切り換える。切換スイ
ッチＳＷは、太陽電池２４，メイン電池２５から負荷２
８に出力される電圧が予め設定された基準電圧以下に低
下したときに、負荷２８への電力供給元をバックアップ
電池２６に切り換えるものである。The power control unit 23 is provided with a backflow prevention diode D.
1, a charging circuit 231 is provided via D2, and power is supplied from the solar battery 24 to the load 28, while the main battery 2
5 and the backup battery 26 are being charged. The main battery 25 supplies power to the load 28 together with the solar battery 24. The charging switching unit 2311 of the charging circuit 231 includes:
When the output voltage of the solar cell 24 drops below a preset reference voltage, the solar cell 24
The charging of the backup battery 26 is switched from the charging of the main battery 25 to the charging of the backup battery 26. The changeover switch SW is connected to the load 2 from the solar battery 24 and the main battery 25.
When the voltage output to the power supply 8 drops below a preset reference voltage, the power supply source to the load 28 is switched to the backup battery 26.
【００２５】制御部２２の電池電圧検出・比較回路２２
１は、太陽電池２４の出力電圧と、太陽電池２４，メイ
ン電池２５から負荷２８に出力される電圧とをそれぞれ
検出し、各基準電圧と比較する。切換制御部２２２は、
電池電圧検出・比較回路２２１による検出，比較の結
果、電池電圧が基準電圧以下に低下していた場合は充電
切換部２３１１または切換スイッチＳＷの切換制御を行
う。Battery voltage detection / comparison circuit 22 of control unit 22
1 detects the output voltage of the solar cell 24 and the voltages output from the solar cell 24 and the main battery 25 to the load 28, respectively, and compares them with the respective reference voltages. The switching control unit 222 includes:
As a result of the detection and comparison by the battery voltage detection / comparison circuit 221, if the battery voltage has fallen below the reference voltage, switching control of the charge switching unit 2311 or the switch SW is performed.
【００２６】次に、本発明の一実施の形態の動作につい
て図１および図２を参照して詳細に説明する。Next, the operation of the embodiment of the present invention will be described in detail with reference to FIGS.
【００２７】最初に、センター装置１と遠隔装置２間の
データ送受信について説明する。図１を参照すると、遠
隔装置２は制御部２２を通して外部装置５と接続され、
制御部２２は外部装置インターフェース部２２３により
外部装置５を制御する。外部装置１４を制御する場合、
センター装置１から遠隔装置２に対して外部装置５の各
動作に対する動作命令を出す。動作命令はネットワーク
３、無線回線を経由して遠隔装置２へ送信され、通信部
２１で受信される。制御部２２は、受信した動作命令に
より外部装置インタフェース部２２３から所定のコマン
ドを外部装置５に発行する。遠隔装置２が外部装置５か
ら取得したデータは、通信部２１から無線回線を利用し
て中継局４で中継され、さらにＩＳＤＮ回線等のネット
ワーク３を経由してセンター装置１へ送られる。なお、
本実施の形態では無線回線を利用しているが、他にも電
話回線等を利用しても同様にデータの送受信は行える。
また、一台のセンター装置１に複数の遠隔装置２を接続
可能である。First, data transmission and reception between the center device 1 and the remote device 2 will be described. Referring to FIG. 1, the remote device 2 is connected to an external device 5 through a control unit 22,
The control unit 22 controls the external device 5 through the external device interface unit 223. When controlling the external device 14,
An operation command for each operation of the external device 5 is issued from the center device 1 to the remote device 2. The operation command is transmitted to the remote device 2 via the network 3 and the wireless line, and received by the communication unit 21. The control unit 22 issues a predetermined command to the external device 5 from the external device interface unit 223 according to the received operation command. Data obtained by the remote device 2 from the external device 5 is relayed by the relay station 4 from the communication unit 21 using a wireless line, and further transmitted to the center device 1 via the network 3 such as an ISDN line. In addition,
Although a wireless line is used in the present embodiment, data can be transmitted and received in the same manner by using a telephone line or the like.
Also, a plurality of remote devices 2 can be connected to one center device 1.
【００２８】次に、上記のような目的に使用される遠隔
装置２の電力供給に関する動作について説明する。Next, the operation related to the power supply of the remote device 2 used for the above purpose will be described.
【００２９】遠隔装置２の電力供給源としては、太陽電
池２４と、メイン電池２５と、バックアップ電池２６と
を備えている。図２に示されるように、太陽電池２４で
発電された電力は負荷（通信部２１，制御部２２，警告
表示部２７等）２８に供給されるとともに、逆流防止ダ
イオードＤ１，Ｄ２を介して電源制御部２３の充電回路
２３１に送られ、メイン電池２５とバックアップ電池２
６とを充電する。メイン電池２５は太陽電池２４と並列
に接続され、太陽電池２４からの電力供給が不足する場
合に負荷２８へ電力を供給する。The power supply source of the remote device 2 includes a solar battery 24, a main battery 25, and a backup battery 26. As shown in FIG. 2, the electric power generated by the solar cell 24 is supplied to a load (communication unit 21, control unit 22, warning display unit 27, etc.) 28, and is supplied to the power supply via backflow prevention diodes D1 and D2. The main battery 25 and the backup battery 2 are sent to the charging circuit 231 of the control unit 23.
6 and charge. The main battery 25 is connected in parallel with the solar cell 24, and supplies power to the load 28 when power supply from the solar cell 24 is insufficient.
【００３０】ここで、太陽電池２４およびメイン電池２
５の電源容量は、メイン電池２５やバックアップ電池２
６への充電も含め、１年中を通して負荷２８に電力を供
給し続けられるだけの容量を持つものとする。すなわ
ち、日中は太陽電池２４から、夜間，負荷のピーク時
や、日中でも光不足で太陽電池２４からの充分な電力供
給が行えないとき等はメイン電池２５からというよう
に、太陽電池２４とメイン電池２５が分担しながら電力
供給を継続するものである。従って、バックアップ電池
２６は通常は必要ないものであるが、本発明の特徴の一
つである、「太陽電池２４やメイン電池２５の何らかの
異常による電源供給不良、またメイン電池２５の劣化等
による交換の必要性等の事態が発生したときに、これを
検出して通知する」ために備えられている。Here, the solar battery 24 and the main battery 2
5 has a main battery 25 and a backup battery 2
It is assumed that the battery has a capacity to supply power to the load 28 throughout the year, including charging the battery 6. That is, the solar battery 24 is connected to the solar battery 24 during the day, and the main battery 25 when the power is not supplied sufficiently at night or during a peak load, or when the light is insufficient for the daytime. The power supply is continued while the main battery 25 shares the power. Therefore, although the backup battery 26 is not normally required, one of the features of the present invention is that the power supply failure due to some abnormality of the solar battery 24 or the main battery 25, or the replacement due to the deterioration of the main battery 25 or the like. When a situation such as the need arises, it is detected and notified. "
【００３１】制御部２２の電池電圧検出・比較回路２２
１は、太陽電池２４の出力電圧を監視し、検出した電圧
が基準電圧以下であったときに太陽電池１３からの発電
が無くなったことを検知し、切換制御部２２２に通知す
る。この基準値は、太陽電池２４からの充電を停止させ
るときの電圧値であり、予め電池電圧検出・比較回路２
２１に設定しておくものとする。Battery voltage detection / comparison circuit 22 of control unit 22
1 monitors the output voltage of the solar cell 24, detects that the power generation from the solar cell 13 has stopped when the detected voltage is equal to or lower than the reference voltage, and notifies the switching control unit 222. This reference value is a voltage value when charging from the solar cell 24 is stopped, and the battery voltage detection / comparison circuit 2
21.
【００３２】通知を受けた切換制御部２２２は、充電回
路２３１の充電切換部２３１１を制御して、太陽電池２
４からメイン電池２５，バックアップ電池２６への充電
を、メイン電池２５からバックアップ電池２６への充電
に切り換える。また、太陽電池２４から再び発電され、
電池電圧検出・比較回路２２１による検出電圧が基準電
圧を超えると、切換制御部２２２は充電切換部２３１１
を制御して、太陽電池２４からメイン電池２５，バック
アップ電池２６への充電に切り換える。Upon receiving the notification, the switching control unit 222 controls the charging switching unit 2311 of the charging circuit 231 to
4 to charge the main battery 25 and the backup battery 26 from the main battery 25 to the backup battery 26. In addition, power is again generated from the solar cell 24,
When the voltage detected by the battery voltage detection / comparison circuit 221 exceeds the reference voltage, the switching control unit 222
To switch the charging from the solar battery 24 to the main battery 25 and the backup battery 26.
【００３３】このように、バックアップ電池２６への充
電は、太陽電池２４からの発電が有る場合は太陽電池２
４から、太陽電池２４からの発電が無い場合はメイン電
池２５から行われることになり、常に充電された状態に
保たれる。As described above, the backup battery 26 is charged when the solar cell 24 generates electric power.
From 4, when there is no power generation from the solar battery 24, the power is generated from the main battery 25, and the battery is always kept charged.
【００３４】次に、負荷２８への電力供給をバックアッ
プ電池２６からの供給に切り換える動作について説明す
る。Next, the operation of switching the power supply to the load 28 to the supply from the backup battery 26 will be described.
【００３５】図２を参照すると、制御部２２の電池電圧
検出・比較回路２２１は、太陽電池２４とメイン電池２
５の並列出力から負荷２８に供給される電圧を監視し、
検出した電圧が基準電圧以下であったときに切換制御部
２２２に通知する。この基準電圧は、例えば負荷２８の
最低動作電圧とし、予め電池電圧検出・比較回路２２１
に設定しておくものとする。なお、上述したように、通
常は基準電圧以下になることはなく、基準電圧以下にな
ったということは、太陽電池２４またはメイン電池２５
の異常やメイン電池２５の寿命等が考えられる。Referring to FIG. 2, the battery voltage detection / comparison circuit 221 of the control unit 22 includes a solar battery 24 and a main battery 2.
Monitoring the voltage supplied to the load 28 from the five parallel outputs,
When the detected voltage is equal to or lower than the reference voltage, the switching controller 222 is notified. This reference voltage is, for example, the minimum operating voltage of the load 28, and the battery voltage detection / comparison circuit
Shall be set to As described above, the voltage does not normally fall below the reference voltage, and the fact that the voltage falls below the reference voltage means that the solar cell 24 or the main battery 25
And the life of the main battery 25, and the like.
【００３６】通知を受けた切換制御部２２２は、電源制
御部２３の切換スイッチＳＷを制御し、負荷２８への電
力供給源を、太陽電池２４とメイン電池２５の並列出力
からバックアップ電池２６に切り換える。このとき、切
換制御部２２２は、警告表示部２７に電池異常または電
池交換等を知らせる警告表示を行うとともに、この警告
情報を通信部２１から中継局４，ネットワーク３を経由
してセンター装置１に送信する。Upon receiving the notification, the switching control unit 222 controls the switch SW of the power supply control unit 23, and switches the power supply source to the load 28 from the parallel output of the solar battery 24 and the main battery 25 to the backup battery 26. . At this time, the switching control unit 222 displays a warning on the warning display unit 27 to notify the user of a battery abnormality or battery replacement, and transmits the warning information from the communication unit 21 to the center device 1 via the relay station 4 and the network 3. Send.
【００３７】警告情報を受信したセンター装置１は、制
御装置１２のディスプレイ上に電池異常または電池交換
等を知らせる警告を表示する。The center device 1 that has received the warning information displays a warning on the display of the control device 12 to inform the user of a battery abnormality or battery replacement.
【００３８】このように、電池異常または電池交換等を
知らせる警告表示を行っている間も、バックアップ電池
２６により負荷２８への電力供給を行っているため、こ
の間に太陽電池２４，メイン電池２５の点検や修理，交
換等の作業が行える。なお、バックアップ電池２６の電
源容量については、警告表示を見た後、点検や修理，交
換等の作業が完了できる程度の間、負荷に電力供給でき
る容量であればよい。従って、メイン電池２５に比べ小
さい容量で済み価格も抑えられるが、勿論余裕をみてメ
イン電池２５と同等の容量にしても構わない。As described above, the power supply to the load 28 is performed by the backup battery 26 even while the warning display for notifying the battery abnormality or the battery replacement is performed. Inspection, repair, and replacement can be performed. Note that the power supply capacity of the backup battery 26 may be a capacity that can supply power to the load for a time such that inspection, repair, replacement, and the like can be completed after seeing the warning display. Therefore, although the capacity is smaller than the main battery 25 and the cost is reduced, the capacity may be equivalent to that of the main battery 25 with a margin.
【００３９】なお、以上の説明においては、バックアッ
プ電池２６は二次電池として説明したが、大容量コンデ
ンサとしてもよい。In the above description, the backup battery 26 is described as a secondary battery, but may be a large-capacity capacitor.
【００４０】また、バックアップ電池２６は一次電池と
してもよい。この場合は、図２において、太陽電池２４
の電圧検出、充電回路２３１における充電切換が不要と
なり、充電切換部２３１１も不要となる。従って、太陽
電池２４から充電されるのはメイン電池２５だけとな
る。The backup battery 26 may be a primary battery. In this case, in FIG.
And the charge switching in the charging circuit 231 becomes unnecessary, and the charge switching unit 2311 becomes unnecessary. Therefore, only the main battery 25 is charged from the solar battery 24.
【００４１】次に、本発明の他の実施の形態について説
明する。Next, another embodiment of the present invention will be described.
【００４２】本実施の形態は、太陽電池の異常を検出し
て警告表示することを特徴としている。図２において、
制御部２２の電池電圧検出・比較回路２２１は、太陽電
池２４の出力電圧を一定周期（例えば２時間毎）で検出
し、その検出値と発電していないとみなされる程度の予
め設定された基準値とを比較して結果を記憶する。そし
て、検出値が基準値を所定回数（例えば２４回）連続し
て下回った場合には、太陽電池の異常とみなし、電池電
圧検出・比較回路２２１は、図１に示される警告表示部
２７に警告表示するとともに、この警告情報を通信部２
１から中継局４，ネットワーク３を経由してセンター装
置１に送信する。The present embodiment is characterized in that an abnormality of the solar cell is detected and a warning is displayed. In FIG.
The battery voltage detection / comparison circuit 221 of the control unit 22 detects the output voltage of the solar cell 24 at a constant cycle (for example, every two hours), and sets the detected value to a predetermined reference value that is considered as not generating power. Compare the result with the value and store the result. Then, when the detected value continuously falls below the reference value by a predetermined number of times (for example, 24 times), it is considered that the solar cell is abnormal, and the battery voltage detection / comparison circuit 221 causes the warning display unit 27 shown in FIG. A warning is displayed, and this warning information is transmitted to the communication unit 2.
1 to the center device 1 via the relay station 4 and the network 3.
【００４３】[0043]
【発明の効果】本発明においては、太陽電池およびメイ
ン電池の電源容量を、１年中を通して負荷に電力を供給
し続けられるだけの容量を持つものとし、その他にバッ
クアップ電池を備え、太陽電池やメイン電池の何らかの
異常による電源供給不良、またメイン電池の劣化等によ
る交換の必要性等の事態が発生したことを検出し、バッ
クアップ電源に切り換えるとともに、警告表示を行うよ
うにしたため、交換，修理等の対応が迅速に行え、安
定，継続した電源供給が可能になるという効果がある。According to the present invention, the power supply capacity of the solar cell and the main battery is set to have a capacity capable of continuously supplying power to the load throughout the year. In addition, a backup battery is provided. Detects the occurrence of power supply failure due to some abnormality of the main battery, or the necessity of replacement due to deterioration of the main battery, etc., and switches to the backup power supply and displays a warning, so that replacement, repair, etc. Can be performed quickly, and stable and continuous power supply can be achieved.
【図１】本発明の一実施の形態の構成を示すブロック図
である。FIG. 1 is a block diagram showing a configuration of an embodiment of the present invention.
【図２】図１の制御部２２，電源制御部２３の一例を示
す図である。FIG. 2 is a diagram showing an example of a control unit 22 and a power supply control unit 23 of FIG.
１ センター装置 １１ 通信部 １２ 制御装置 １３ 出力装置 １４ 無停電電源装置 ２ 遠隔装置 ２１ 通信部 ２２ 制御部 ２２１ 電池電圧検出・比較回路 ２２２ 切換制御部 ２２３ 外部装置インターフェース部 ２３ 電源制御部 ２４ 太陽電池 ２５ メイン電池 ２６ バックアップ電池 ２７ 警告表示部 ３ ネットワーク ４ 中継局 ５ 外部装置 Ｄ１，Ｄ２ 逆流防止ダイオード ＳＷ 切換スイッチ REFERENCE SIGNS LIST 1 center device 11 communication unit 12 control device 13 output device 14 uninterruptible power supply device 2 remote device 21 communication unit 22 control unit 221 battery voltage detection / comparison circuit 222 switching control unit 223 external device interface unit 23 power control unit 24 solar cell 25 Main battery 26 Backup battery 27 Warning display 3 Network 4 Relay station 5 External device D1, D2 Backflow prevention diode SW selector switch
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 5G003 AA04 AA06 BA04 CA14 CC07 DA06 DA07 DA18 EA06 5G064 AA01 BA03 BA09 CA08 CB07 CB08 CB12 CB18 5K048 AA06 DC07 EB13 FB07 HA02 HA36 HA39 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5G003 AA04 AA06 BA04 CA14 CC07 DA06 DA07 DA18 EA06 5G064 AA01 BA03 BA09 CA08 CB07 CB08 CB12 CB18 5K048 AA06 DC07 EB13 FB07 HA02 HA36 HA39
Claims (12)
センター装置とデータの送受信を行う遠隔装置における
電源方式であって、 太陽電池と、二次電池であるメイン電池とバックアップ
電池とを前記遠隔装置に電力供給源として備え、 負荷に対して前記太陽電池と前記メイン電池との並列回
路から電力を供給し、この並列回路の出力電圧が予め設
定された所定電圧以下になったときに、前記負荷への電
力供給を前記並列回路から前記バックアップ電池に切り
換える電源供給切換手段と、 前記太陽電池からの出力電圧が予め設定された基準電圧
より大きい場合は、前記太陽電池から前記メイン電池と
前記バックアップ電池の両方を充電し、前記太陽電池か
らの出力電圧が前記基準電圧以下の場合は、前記メイン
電池から前記バックアップ電池を充電するよう切り換え
る充電切換手段と、 前記電源供給切換手段により前記バックアップ電池から
の電力供給に切り換えられたとき、前記ネットワークを
介して前記センター装置に警告通知を行う警告通知手段
とを有することを特徴とする遠隔装置における電源方
式。1. A power supply system for a remote device which is installed at a remote place and transmits / receives data to / from a center device via a network, wherein a solar battery, a main battery and a backup battery which are secondary batteries are connected to the remote device. A power supply source, and supplies power to a load from a parallel circuit of the solar cell and the main battery. When an output voltage of the parallel circuit becomes a predetermined voltage or less, the load is Power supply switching means for switching power supply from the parallel circuit to the backup battery; and when the output voltage from the solar battery is higher than a preset reference voltage, the solar battery supplies the main battery and the backup battery. When the output voltage from the solar cell is equal to or less than the reference voltage, the main battery Charge switching means for switching to charge the battery; andwarning notifying means for notifying the center device via the network when the power supply switching means switches to power supply from the backup battery. Power supply method for remote devices.
電圧を一定時間毎に検出し、その検出電圧と発電してい
ないとみなされる程度の予め設定された一定電圧とを比
較し、前記検出電圧が前記一定電圧を所定回数連続して
下回ったときに前記太陽電池を異常と検出する太陽電池
異常検出手段をさらに有し、前記警告通知手段は、前記
太陽電池異常検出手段による前記太陽電池の異常検出を
受けて、前記ネットワークを介して前記センター装置に
警告通知を行うことを特徴とする請求項１記載の遠隔装
置における電源方式。2. The method according to claim 1, wherein an output voltage of the solar cell is detected at regular time intervals, and the detected voltage is compared with a predetermined constant voltage that is regarded as not generating power. The apparatus further includes a solar cell abnormality detecting unit that detects the solar cell as abnormal when the voltage continuously drops below the constant voltage for a predetermined number of times, and the warning notifying unit is configured to detect the solar cell by the solar cell abnormality detecting unit. 2. The power supply system in the remote device according to claim 1, wherein a warning is notified to the center device via the network upon receiving the abnormality detection.
アップ電池からの電力供給に切り換えられたとき、また
は、前記太陽電池異常検出手段により前記太陽電池の異
常が検出されたときに、装置内に警告を表示する警告表
示手段をさらに有することを特徴とする請求項２記載の
遠隔装置における電源方式。3. A warning is issued in the device when the power supply is switched to the power supply from the backup battery by the power supply switching means, or when an abnormality of the solar cell is detected by the solar cell abnormality detecting means. The power supply system in the remote device according to claim 2, further comprising a warning display unit for displaying.
ン電池の容量より小さいことを特徴とする請求項１，２
または３記載の遠隔装置における電源方式。4. The capacity of the backup battery is smaller than the capacity of the main battery.
Or a power supply system in the remote device according to 3.
ックアップ電池を大容量コンデンサに代えたことを特徴
とする遠隔装置における電源方式。5. The power supply system according to claim 1, wherein said backup battery is replaced with a large-capacity capacitor.
であることを特徴とする請求項１，２または３記載の遠
隔装置における電源方式。6. The power supply system according to claim 1, wherein the predetermined voltage is a minimum operating voltage of the load.
センター装置とデータの送受信を行う遠隔装置における
電源方式であって、 負荷に電力を供給する太陽電池，二次電池であるメイン
電池の並列回路と、 前記並列回路と切り換えられて前記負荷に電力を供給す
る二次電池であるバックアップ電池と、 前記太陽電池および前記並列回路の出力電圧を常時検出
し、検出した前記太陽電池の出力電圧と予め設定された
基準電圧との比較結果と、検出した前記並列回路の出力
電圧と予め設定された所定電圧との比較結果とを切換制
御部に通知するとともに、前記太陽電池の出力電圧を一
定時間毎に検出し、その検出電圧と発電していないとみ
なされる程度の予め設定された一定電圧とを比較し、前
記検出電圧が前記一定電圧を所定回数連続して下回った
ときに前記切換制御部に通知する電池電圧検出・比較回
路と、 前記電池電圧検出・比較回路により検出した前記太陽電
池の出力電圧が予め設定された基準電圧より大きい場合
は、前記太陽電池から前記メイン電池と前記バックアッ
プ電池の両方を充電し、前記太陽電池の出力電圧が前記
基準電圧以下の場合は、前記メイン電池から前記バック
アップ電池を充電するよう充電回路に指示し、前記並列
回路の出力電圧が前記所定電圧以下の場合は、前記負荷
への電力供給を前記並列回路から前記バックアップ電池
に切り換えるよう電源供給切換スイッチを動作させると
ともに、この電源供給切換スイッチの動作時または前記
太陽電池の検出電圧が前記一定電圧を所定回数連続して
下回ったことを通知された時に、警告表示を警告表示部
に表示させる一方、前記センター装置に警告通知を行う
よう通信部に指示する切換制御部と、 前記切換制御部の制御により、前記太陽電池からの前記
メイン電池，前記バックアップ電池充電と、前記メイン
電池からの前記バックアップ電池充電とを切り換える充
電切換部を備えた充電回路と、 前記切換制御部の制御により前記負荷への電力供給を前
記並列回路から前記バックアップ電池に切り換える電源
供給切換スイッチと、 前記切換制御部の指示により警告表示を行う警告表示部
と、 前記切換制御部の指示により前記ネットワークを介して
前記センター装置に警告通知を行う通信部とを有するこ
とを特徴とする遠隔装置における電源方式。7. A parallel circuit of a solar battery for supplying power to a load and a main battery as a secondary battery, which is a power supply system in a remote device that is installed in a remote place and transmits and receives data to and from a center device via a network. A backup battery that is a secondary battery that is switched with the parallel circuit to supply power to the load; and that the output voltage of the solar cell and the parallel circuit is constantly detected, and the detected output voltage of the solar cell is determined in advance. Notifying the switching control unit of a comparison result with the set reference voltage and a comparison result between the detected output voltage of the parallel circuit and a preset predetermined voltage, and changing the output voltage of the solar cell at regular intervals. , And compares the detected voltage with a predetermined constant voltage that is regarded as not generating power, and the detected voltage falls below the constant voltage by a predetermined number of times. A battery voltage detection / comparison circuit that notifies the switching control unit when it turns, and the output voltage of the solar cell detected by the battery voltage detection / comparison circuit is greater than a preset reference voltage, the solar cell Charge both the main battery and the backup battery, and when the output voltage of the solar cell is equal to or lower than the reference voltage, instructs a charging circuit to charge the backup battery from the main battery, When the output voltage is equal to or lower than the predetermined voltage, the power supply switch is operated so as to switch the power supply to the load from the parallel circuit to the backup battery. When it is notified that the detected voltage has dropped below the predetermined voltage continuously for a predetermined number of times, a warning display is displayed on the warning display section. On the other hand, a switching control unit that instructs a communication unit to issue a warning notification to the center device, and the main battery and the backup battery are charged from the solar cell and the main battery is controlled by the switching control unit. A charging circuit including a charging switching unit that switches between the backup battery charging and the power supply switching switch that switches power supply to the load from the parallel circuit to the backup battery under the control of the switching control unit; A power supply system in a remote device, comprising: a warning display unit that displays a warning according to an instruction of a unit; and a communication unit that notifies a warning to the center device via the network according to an instruction of the switching control unit.
センター装置とデータの送受信を行う遠隔装置における
電源方式であって、 太陽電池と二次電池と一次電池とを前記遠隔装置に電力
供給源として備え、 負荷に対して前記太陽電池と前記二次電池の並列回路か
ら電力を供給し、この並列回路の出力電圧が予め設定さ
れた所定電圧以下になったときに、前記負荷への電力供
給を前記並列回路から前記一次電池に切り換える電源供
給切換手段と、 前記太陽電池から前記二次電池を充電する充電手段と、 前記電源供給切換手段により前記一次電池からの電力供
給に切り換えられたとき、前記ネットワークを介して前
記センター装置に警告通知を行う警告通知手段とを有す
ることを特徴とする遠隔装置における電源方式。8. A power supply system in a remote device installed in a remote place and transmitting / receiving data to / from a center device via a network, wherein a solar battery, a secondary battery, and a primary battery are used as a power supply source for the remote device. Power is supplied to a load from a parallel circuit of the solar cell and the secondary battery, and when the output voltage of the parallel circuit becomes equal to or lower than a predetermined voltage, power is supplied to the load. Power supply switching means for switching from the parallel circuit to the primary battery; charging means for charging the secondary battery from the solar cell; and when switching to power supply from the primary battery by the power supply switching means, And a warning notifying unit for notifying the center device of a warning via a network.
電圧を一定時間毎に検出し、その検出電圧と発電してい
ないとみなされる程度の予め設定された一定電圧とを比
較し、前記検出電圧が前記一定電圧を所定回数連続して
下回ったときに前記太陽電池を異常と検出する太陽電池
異常検出手段をさらに有し、前記警告通知手段は、前記
太陽電池異常検出手段による前記太陽電池の異常検出を
受けて、前記ネットワークを介して前記センター装置に
警告通知を行うことを特徴とする遠隔装置における電源
方式。9. The method according to claim 8, wherein an output voltage of the solar cell is detected at regular time intervals, and the detected voltage is compared with a predetermined constant voltage that is regarded as not generating power. The apparatus further includes a solar cell abnormality detecting unit that detects the solar cell as abnormal when the voltage continuously drops below the constant voltage for a predetermined number of times, and the warning notifying unit is configured to detect the solar cell by the solar cell abnormality detecting unit. A power supply system in a remote device, which receives an abnormality detection and issues a warning notification to the center device via the network.
電池からの電力供給に切り換えられたとき、または、前
記太陽電池異常検出手段により前記太陽電池の異常が検
出されたときに、装置内に警告を表示する警告表示手段
をさらに有することを特徴とする請求項９記載の遠隔装
置における電源方式。10. A warning is issued in the apparatus when the power supply is switched to the power supply from the primary battery by the power supply switching means, or when an abnormality of the solar cell is detected by the solar cell abnormality detecting means. 10. The power supply system in the remote device according to claim 9, further comprising warning display means for displaying.
てセンター装置とデータの送受信を行う遠隔装置におけ
る電源方式であって、 負荷に電力を供給する太陽電池，二次電池であるメイン
電池の並列回路と、 前記並列回路と切り換えられて前記負荷に電力を供給す
る一次電池であるバックアップ電池と、 前記並列回路の出力電圧を検出し、検出した前記並列回
路の出力電圧と予め設定された所定電圧との比較結果を
切換制御部に通知するとともに、前記太陽電池の出力電
圧を一定時間毎に検出し、その検出電圧と発電していな
いとみなされる程度の予め設定された一定電圧とを比較
し、前記検出電圧が前記一定電圧を所定回数連続して下
回ったときに前記切換制御部に通知する電池電圧検出・
比較回路と、 前記並列回路の出力電圧が前記所定電圧以下の場合は、
前記負荷への電力供給を前記並列回路から前記バックア
ップ電池に切り換えるよう電源供給切換スイッチを動作
させるとともに、この電源供給切換スイッチの動作時ま
たは前記太陽電池の検出電圧が前記一定電圧を所定回数
連続して下回ったことを通知された時に、警告表示を警
告表示部に表示させる一方、前記センター装置に警告通
知を行うよう通信部に指示する切換制御部と、 前記太陽電池から前記メイン電池への充電を行う充電回
路と、 前記切換制御部の制御により前記負荷への電力供給を前
記並列回路から前記バックアップ電池に切り換える電源
供給切換スイッチと、 前記切換制御部の指示により警告表示を行う警告表示部
と、 前記切換制御部の指示により前記ネットワークを介して
前記センター装置に警告通知を行う通信部とを有するこ
とを特徴とする遠隔装置における電源方式。11. A power supply system in a remote device installed in a remote place and transmitting / receiving data to / from a center device via a network, wherein a parallel circuit of a solar battery for supplying power to a load and a main battery as a secondary battery. A backup battery that is a primary battery that is switched with the parallel circuit to supply power to the load; and detects an output voltage of the parallel circuit, and detects a detected output voltage of the parallel circuit and a predetermined voltage. Notifying the switching control unit of the comparison result, detecting the output voltage of the solar cell at regular intervals, and comparing the detected voltage with a preset constant voltage that is regarded as not generating power, Battery voltage detection / notification to notify the switching control unit when the detection voltage continuously drops below the constant voltage for a predetermined number of times.
A comparison circuit, and when an output voltage of the parallel circuit is equal to or less than the predetermined voltage,
A power supply changeover switch is operated so as to switch the power supply to the load from the parallel circuit to the backup battery, and when the power supply changeover switch is operated or the detection voltage of the solar cell continues the predetermined voltage a predetermined number of times. A switching control unit that instructs a communication unit to perform a warning notification to the center device while displaying a warning display on a warning display unit when notified that the power has fallen below, and charging the main battery from the solar battery. A power supply switch for switching power supply to the load from the parallel circuit to the backup battery under the control of the switching control unit, and a warning display unit for displaying a warning according to an instruction of the switching control unit. A communication unit that issues a warning notification to the center device via the network according to an instruction of the switching control unit. A power supply method in a remote device, comprising:
を、１年を通じて前記負荷に前記負荷の最低動作電圧以
上の電力を継続して供給可能な容量に設定しておき、前
記並列回路の出力電圧が前記最低動作電圧以下になった
ときに前記警告通知，表示を行うことにより、警告を受
けた装置の管理担当者が前記太陽電池もしくは前記メイ
ン電池の異常か前記メイン電池の交換時期と判断可能と
したことを特徴とする請求項１，２，３，７，８，９，
１０または１１記載の遠隔装置における電源方式。12. The capacity of the solar cell and the main battery is set to a capacity capable of continuously supplying power equal to or higher than the minimum operating voltage of the load to the load throughout the year, and the output of the parallel circuit is set. By performing the warning notification and display when the voltage becomes equal to or lower than the minimum operating voltage, the person in charge of the apparatus receiving the warning determines whether the solar battery or the main battery is abnormal or the time for replacing the main battery. Claims 1, 2, 3, 7, 8, 9,
12. The power supply system in the remote device according to 10 or 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000181378A JP3533152B2 (en) | 2000-06-16 | 2000-06-16 | Power supply system for remote equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000181378A JP3533152B2 (en) | 2000-06-16 | 2000-06-16 | Power supply system for remote equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002010519A true JP2002010519A (en) | 2002-01-11 |
| JP3533152B2 JP3533152B2 (en) | 2004-05-31 |
Family
ID=18682318
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000181378A Expired - Fee Related JP3533152B2 (en) | 2000-06-16 | 2000-06-16 | Power supply system for remote equipment |
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| Country | Link |
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| JP (1) | JP3533152B2 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008527493A (en) * | 2005-01-03 | 2008-07-24 | ローズマウント インコーポレイテッド | Wireless process field device diagnostics |
| JP2011254651A (en) * | 2010-06-03 | 2011-12-15 | Midori Anzen Co Ltd | Battery monitoring system |
| JP2012023656A (en) * | 2010-07-16 | 2012-02-02 | Sharp Corp | Terminal network control device and telemetry system |
| JP2012029020A (en) * | 2010-07-23 | 2012-02-09 | Meidensha Corp | Terminal device to which power saving function is attached |
| JP2012039279A (en) * | 2010-08-05 | 2012-02-23 | Sharp Corp | Terminal network control apparatus and telemeter system |
| EP2432095A2 (en) | 2010-09-16 | 2012-03-21 | Sony Corporation | Power supply device with cryptographic key |
| JP2013086735A (en) * | 2011-10-21 | 2013-05-13 | East Japan Railway Co | System for measuring, monitoring and controlling battery |
| JP2016082604A (en) * | 2014-10-09 | 2016-05-16 | 太陽誘電株式会社 | Management unit for transmitting and receiving state value showing state of solar cell module |
| JP2018207568A (en) * | 2017-05-30 | 2018-12-27 | マクセルホールディングス株式会社 | Autonomous power source system |
| JP2019046427A (en) * | 2017-09-01 | 2019-03-22 | 株式会社秋間ボーリング商会 | Disaster support management system |
| WO2021002007A1 (en) * | 2019-07-04 | 2021-01-07 | 三菱電機株式会社 | Sensor system, sensor device, and power feed control method |
| JP7085069B1 (en) * | 2021-01-18 | 2022-06-15 | 株式会社Social Area Networks | Demand control system |
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| JP2008527493A (en) * | 2005-01-03 | 2008-07-24 | ローズマウント インコーポレイテッド | Wireless process field device diagnostics |
| JP2011254651A (en) * | 2010-06-03 | 2011-12-15 | Midori Anzen Co Ltd | Battery monitoring system |
| JP2012023656A (en) * | 2010-07-16 | 2012-02-02 | Sharp Corp | Terminal network control device and telemetry system |
| JP2012029020A (en) * | 2010-07-23 | 2012-02-09 | Meidensha Corp | Terminal device to which power saving function is attached |
| JP2012039279A (en) * | 2010-08-05 | 2012-02-23 | Sharp Corp | Terminal network control apparatus and telemeter system |
| US9014866B2 (en) | 2010-09-16 | 2015-04-21 | Sony Corporation | Power supply device |
| EP2432095A2 (en) | 2010-09-16 | 2012-03-21 | Sony Corporation | Power supply device with cryptographic key |
| JP2013086735A (en) * | 2011-10-21 | 2013-05-13 | East Japan Railway Co | System for measuring, monitoring and controlling battery |
| JP2016082604A (en) * | 2014-10-09 | 2016-05-16 | 太陽誘電株式会社 | Management unit for transmitting and receiving state value showing state of solar cell module |
| JP2018207568A (en) * | 2017-05-30 | 2018-12-27 | マクセルホールディングス株式会社 | Autonomous power source system |
| JP2019046427A (en) * | 2017-09-01 | 2019-03-22 | 株式会社秋間ボーリング商会 | Disaster support management system |
| WO2021002007A1 (en) * | 2019-07-04 | 2021-01-07 | 三菱電機株式会社 | Sensor system, sensor device, and power feed control method |
| JPWO2021002007A1 (en) * | 2019-07-04 | 2021-11-04 | 三菱電機株式会社 | Sensor system, sensor equipment, and power supply control method |
| JP7085069B1 (en) * | 2021-01-18 | 2022-06-15 | 株式会社Social Area Networks | Demand control system |
| WO2022153539A1 (en) * | 2021-01-18 | 2022-07-21 | 株式会社Social Area Networks | Demand control system |
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| JP3533152B2 (en) | 2004-05-31 |
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