JP2002110259A - Storage battery device - Google Patents
Storage battery deviceInfo
- Publication number
- JP2002110259A JP2002110259A JP2000296108A JP2000296108A JP2002110259A JP 2002110259 A JP2002110259 A JP 2002110259A JP 2000296108 A JP2000296108 A JP 2000296108A JP 2000296108 A JP2000296108 A JP 2000296108A JP 2002110259 A JP2002110259 A JP 2002110259A
- Authority
- JP
- Japan
- Prior art keywords
- side control
- battery
- control means
- slave
- master
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、蓄電装置に係わ
り、特に、電気自動車、電動カート等の移動体機器や、
ビデオカメラ、パソコン等の携帯機器や、停電時の電源
バックアップ機器や、セキュリティ機器等の製品の直流
電源として使われる蓄電装置に好適なものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power storage device, and more particularly, to a mobile device such as an electric car or an electric cart,
It is suitable for a power storage device used as a DC power supply for products such as portable devices such as video cameras and personal computers, power supply backup devices in the event of a power failure, and security devices.
【０００２】[0002]
【従来の技術】近年のニッケル水素電池、リチウム電池
等の二次電池は、エネルギー密度、寿命等に優れ、家庭
用蓄電装置やその他の蓄電媒体の一つとしての実用化が
進められている。これらの二次電池では、例えば、移動
体機器や家庭用機器の電源として使用される場合に、必
要な出力を効率よく所定時間持続するには、１０〜３０
Ａｈの電池容量と１００〜３５０Ｖ程度の電池電圧が必
要である。そこで、公称電圧１．２Ｖのニッケル水素電
池や公称電圧３．６Ｖのリチウム電池を複数直列に接続
して組電池とし、これを用いて機器に必要な電源電圧を
得るようにしている。2. Description of the Related Art In recent years, secondary batteries such as nickel-metal hydride batteries and lithium batteries are excellent in energy density and life, and are being put to practical use as home power storage devices and other power storage media. In these secondary batteries, for example, when used as a power source of a mobile device or a household device, in order to efficiently maintain a required output for a predetermined time, 10 to 30 seconds are required.
Ah battery capacity and a battery voltage of about 100 to 350 V are required. Therefore, a plurality of nickel-metal hydride batteries having a nominal voltage of 1.2 V and lithium batteries having a nominal voltage of 3.6 V are connected in series to form an assembled battery, and a power supply voltage required for the device is obtained using the battery.
【０００３】二次電池は、放電した電池を充電すること
により繰り返し使用できる電池であるが、二次電池その
ものの組成により充電時及び放電時にそれぞれ制限電圧
値を有しており、これを超えた充電または放電を行う
と、二次電池の性能劣化の原因となる。このため、二次
電池の充放電を行う場合には、その電池電圧を監視しな
がら充放電を行う方法が採用されている。A secondary battery is a battery that can be used repeatedly by charging a discharged battery. However, the secondary battery has a limiting voltage value at the time of charging and at the time of discharging, respectively, depending on the composition of the secondary battery itself. Charging or discharging may cause performance degradation of the secondary battery. For this reason, when charging / discharging a secondary battery, a method of charging / discharging while monitoring the battery voltage is adopted.
【０００４】このような組電池の監視装置としては、例
えば、特開平９−１３９２３７号公報に示されているよ
うに、組電池の中の不具合な蓄電池を具体的に特定でき
るようにするために、モジュール電池単位に電池電圧を
測定する電圧監視ユニットを設け、この各電圧監視ユニ
ットで検出した電池電圧データを制御装置に伝送するこ
とが行なわれる。そして、複数の電圧監視ユニットとそ
れらの情報を必要とする制御装置との間の信号配線、及
び電圧監視ユニット同士の信号配線数を削減するため
に、電圧監視ユニットと制御装置間及び各電圧監視ユニ
ット間の信号配線をシリアル信号配線とし、各電圧監視
ユニット内にディップスイッチを備え、このディプスイ
ッチによりそれぞれのアドレスを予め設定し、制御装置
に伝送する電圧データに各電圧監視ユニットのアドレス
を付加して制御装置における識別を可能にしている。[0004] Such an assembled battery monitoring apparatus is disclosed in, for example, Japanese Patent Application Laid-Open No. 9-139237, in order to specifically identify a defective storage battery in the assembled battery. A voltage monitoring unit for measuring a battery voltage is provided for each module battery, and battery voltage data detected by each voltage monitoring unit is transmitted to a control device. Then, in order to reduce the number of signal wires between the plurality of voltage monitoring units and the control device that needs the information and the number of signal wires between the voltage monitoring units, the voltage monitoring unit and the control device and each voltage monitoring unit are reduced. The signal wiring between units is a serial signal wiring, and each voltage monitoring unit is equipped with a dip switch. Each address is set in advance by this dip switch, and the address of each voltage monitoring unit is added to the voltage data transmitted to the control device. Thus, the identification in the control device is enabled.
【０００５】[0005]
【発明が解決しようとする課題】しかし、かかる従来の
組電池の監視装置では、各電圧監視ユニット内にアドレ
スを設定するための設定スイッチを必要としているため
に、各電圧監視ユニット内の配線数とスペースがその分
増加し、アドレス誤設定が発生するおそれがあり、組立
て工数及び検査工数の増加とコスト高を招くものであっ
た。However, such a conventional battery monitoring system requires a setting switch for setting an address in each voltage monitoring unit, so that the number of wires in each voltage monitoring unit is limited. In addition, there is a possibility that the address may be set erroneously, resulting in an increase in the number of assembling steps and inspection steps and an increase in cost.
【０００６】本発明の目的は、確実な電池監視制御を行
なう為に用意する各電池監視装置のアドレス識別用回路
部品を不要とし、電池監視装置の配線スペース、組立て
工数及び検査工数を削減できる蓄電装置を得ることにあ
る。SUMMARY OF THE INVENTION An object of the present invention is to eliminate the need for a circuit component for address identification of each battery monitoring device, which is provided for reliable battery monitoring control, and to reduce the wiring space, assembly man-hour and inspection man-hour of the battery monitoring device. To get the equipment.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
の本発明の第１の特徴は、直列接続した複数の二次電池
と、前記二次電池を一つ以上の所定単位でその電池電圧
を監視する複数の電池監視装置と、蓄電装置を制御する
制御装置と、前記制御装置と前記電池監視装置間及び前
記各電池監視装置間を接続する信号配線とを備え、前記
制御装置はマスター側制御手段を有し、前記電池監視装
置は、記憶部を有するスレーブ側制御手段と、前記二次
電池の電池電圧を検出して前記スレーブ側制御手段に出
力する電圧検出回路とを有し、前記各スレーブ側制御手
段は、前記マスター側制御手段との処理動作により設定
したそれぞれの自己アドレスを前記記憶部に記憶すると
共に、前記電圧検出回路で検出した電池電圧に基づいて
出力する制御信号に前記記憶部に記憶された自己アドレ
スを付加して前記マスター側制御手段に送信する構成に
したことにある。A first feature of the present invention to achieve the above object is that a plurality of rechargeable batteries connected in series and a battery voltage of the rechargeable batteries in one or more predetermined units are provided. A plurality of battery monitoring devices, a control device that controls a power storage device, and signal wiring that connects the control device and the battery monitoring device and between the battery monitoring devices, wherein the control device is a master side. Control means, the battery monitoring device includes a slave control means having a storage unit, a voltage detection circuit for detecting the battery voltage of the secondary battery and outputting to the slave control means, Each slave-side control means stores a respective self-address set by the processing operation with the master-side control means in the storage unit, and outputs a control signal based on a battery voltage detected by the voltage detection circuit. It adds the self address stored in the storage unit in that a configuration to be transmitted to the master control unit.
【０００８】本発明の第２の特徴は、直列接続した複数
の二次電池と、前記二次電池を一つ以上の所定単位でそ
の電池電圧を監視する複数の電池監視装置と、蓄電装置
を制御する制御装置と、前記制御装置と前記各電池監視
装置間を接続するバス信号配線とを備え、前記制御装置
はマスター側制御手段を有し、前記電池監視装置は、乱
数発生部及び記憶部を有するスレーブ側制御手段と、前
記二次電池の電池電圧を検出して前記スレーブ側制御手
段に出力する電圧検出回路とを有し、前記各スレーブ側
制御手段は、前記乱数発生部で発生させた仮アドレスに
基づいて前記マスター側制御手段との処理動作により設
定したそれぞれの自己アドレスを前記記憶部に記憶する
と共に、前記電圧検出回路で検出した電池電圧に基づい
て出力する制御信号に前記記憶部に記憶された自己アド
レスを付加して前記マスター側制御手段に送信する構成
にしたことにある。A second feature of the present invention is that a plurality of secondary batteries connected in series, a plurality of battery monitoring devices for monitoring the battery voltage of the secondary batteries in one or more predetermined units, and a power storage device are provided. A control device for controlling, and a bus signal line connecting the control device and each of the battery monitoring devices, wherein the control device has master-side control means, and the battery monitoring device includes a random number generation unit and a storage unit. And a voltage detection circuit that detects the battery voltage of the secondary battery and outputs the battery voltage to the slave-side control unit, wherein each of the slave-side control units is generated by the random number generation unit. Each of the self-addresses set by the processing operation with the master-side control means based on the temporary address is stored in the storage section, and the control signal output based on the battery voltage detected by the voltage detection circuit. It adds the self address stored in the storage unit in that a configuration to be transmitted to the master control means.
【０００９】本発明の第３の特徴は、直列接続した複数
の二次電池と、前記二次電池を一つ以上の所定単位でそ
の電池電圧を監視する複数の電池監視装置と、蓄電装置
を制御する制御装置と、前記制御装置と前記各電池監視
装置間を接続するバス信号配線とを備え、前記制御装置
はマスター側制御手段を有し、前記電池監視装置は、接
続ポート及び絶縁回路を有する通信インターフェース回
路と、記憶部を有するスレーブ側制御手段と、前記二次
電池の電池電圧を検出して前記スレーブ側制御手段に出
力する電圧検出回路とを有し、前記絶縁回路は前記接続
ポートと前記スレーブ側制御手段との間に設け、前記各
スレーブ側制御手段は、前記マスター側制御手段との処
理動作により設定したそれぞれの自己アドレスを前記記
憶部に記憶すると共に、前記電圧検出回路で検出した電
池電圧に基づいて出力する制御信号に前記記憶部に記憶
された自己アドレスを付加して前記マスター側制御手段
に送信する構成にしたことにある。A third feature of the present invention is that a plurality of secondary batteries connected in series, a plurality of battery monitoring devices for monitoring the battery voltage of the secondary batteries in one or more predetermined units, and a power storage device are provided. A control device for controlling, and a bus signal wiring for connecting the control device and each of the battery monitoring devices are provided, the control device has master-side control means, and the battery monitoring device has a connection port and an insulation circuit. A communication interface circuit, a slave-side control unit having a storage unit, and a voltage detection circuit that detects a battery voltage of the secondary battery and outputs the battery voltage to the slave-side control unit. And the slave-side control means, wherein each of the slave-side control means stores, in the storage unit, its own address set by the processing operation with the master-side control means. To, by adding a self-address stored in the storage unit in the control signal to be output based on the battery voltage detected by the voltage detecting circuit lies in that a configuration to be transmitted to the master control unit.
【００１０】本発明の第４の特徴は、直列接続した複数
の二次電池と、前記二次電池を一つ以上の所定単位でそ
の電池電圧を監視する複数の電池監視装置と、蓄電装置
を制御する制御装置と、前記制御装置と前記電池監視装
置間及び前記各電池監視装置間を接続する信号配線とを
備え、前記制御装置は、接続ポート、絶縁回路、絶縁回
路電源及びマスター側制御手段を有し、前記制御装置の
絶縁回路はその接続ポートとそのマスター側制御手段と
の間に設け、前記電池監視装置は、接続ポート及び絶縁
回路を有する通信インターフェース回路と、記憶部を有
するスレーブ側制御手段と、前記二次電池の電池電圧を
検出して前記スレーブ側制御手段に出力する電圧検出回
路とを有し、前記電池監視装置の絶縁回路はその接続ポ
ートとそのスレーブ側制御手段との間に設け、前記絶縁
回路電源は、前記制御装置の絶縁回路と前記各電池監視
装置の絶縁回路とに電源供給し、前記各スレーブ側制御
手段は、前記マスター側制御手段との処理動作により設
定したそれぞれの自己アドレスを前記記憶部に記憶する
と共に、前記電圧検出回路で検出した電池電圧に基づい
て出力する制御信号に前記記憶部に記憶された自己アド
レスを付加して前記マスター側制御手段に送信する構成
にしたことにある。[0010] A fourth feature of the present invention is that a plurality of secondary batteries connected in series, a plurality of battery monitoring devices for monitoring the battery voltage of the secondary batteries in one or more predetermined units, and a power storage device are provided. A control device for controlling, and signal wiring for connecting between the control device and the battery monitoring device and between the battery monitoring devices, wherein the control device includes a connection port, an insulation circuit, an insulation circuit power supply, and master-side control means. Wherein the insulation circuit of the control device is provided between the connection port and the master side control means, the battery monitoring device is a communication interface circuit having a connection port and an insulation circuit, and a slave side having a storage unit. Control means, and a voltage detection circuit for detecting a battery voltage of the secondary battery and outputting the detected voltage to the slave-side control means. Provided between the control circuit and the side control means, the insulation circuit power supply, the power supply to the insulation circuit of the control device and the insulation circuit of each battery monitoring device, the slave side control means, the master side control means, The self-addresses stored in the storage unit are stored in the storage unit, and the self-address stored in the storage unit is added to a control signal output based on the battery voltage detected by the voltage detection circuit. The configuration is such that the data is transmitted to the master-side control means.
【００１１】本発明の第５の特徴は、直列接続した複数
の二次電池と、前記二次電池を一つ以上の所定単位でそ
の電池電圧を監視する複数の電池監視装置と、蓄電装置
を制御する制御装置と、前記制御装置と前記電池監視装
置間及び前記各電池監視装置間を接続するシリアル通信
信号配線とを備え、前記制御装置はマスター側制御手段
を有し、前記電池監視装置は、記憶部を有するスレーブ
側制御手段と、前記二次電池の電池電圧を検出して前記
スレーブ側制御手段に出力する電圧検出回路とを有し、
前記各スレーブ側制御手段は、前記マスター側制御手段
から送信された電文を変更処理して設定したそれぞれの
自己アドレスを前記記憶部に記憶すると共に、次のスレ
ーブ側制御手段に変更処理した電文を中継し、前記電圧
検出回路で検出した電池電圧に基づいて出力する制御信
号に前記記憶部に記憶された自己アドレスを付加して前
記マスター側制御手段に送信する構成にしたことにあ
る。A fifth feature of the present invention is that a plurality of secondary batteries connected in series, a plurality of battery monitoring devices for monitoring the battery voltage of the secondary batteries in one or more predetermined units, and a power storage device are provided. A control device for controlling, and a serial communication signal wiring for connecting the control device and the battery monitoring device and between the battery monitoring devices, wherein the control device has master-side control means, and the battery monitoring device is A slave-side control unit having a storage unit, and a voltage detection circuit that detects a battery voltage of the secondary battery and outputs the battery voltage to the slave-side control unit,
Each of the slave-side control means stores the own address set by changing and processing the message transmitted from the master-side control means in the storage unit, and stores the changed message in the next slave-side control means. It is configured to relay the control signal output based on the battery voltage detected by the voltage detection circuit, add a self-address stored in the storage unit, and transmit the control signal to the master-side control unit.
【００１２】[0012]
【発明の実施の形態】以下、本発明の各実施例を図を用
いて説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１３】まず、本発明の第１実施例を図１から図３
を用いて説明する。First, a first embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.
【００１４】最初に、本発明の第１実施例の蓄電装置の
構成を図１及び図２を用いて説明する。図１は本発明の
第１実施例の蓄電装置の構成図、図２は図１の蓄電装置
における組電池の構成図である。First, a configuration of a power storage device according to a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram of a power storage device according to a first embodiment of the present invention, and FIG. 2 is a configuration diagram of an assembled battery in the power storage device of FIG.
【００１５】図１において、蓄電装置は、制御装置１、
複数の組電池５及びこれらを接続する信号配線６、７を
備えている。制御装置１は、組電池５をスレーブとする
マスターを構成するものであり、接続ポート２１、絶縁
回路２２、マスター側制御手段２３及び絶縁回路電源２
４を有している。接続ポート２１は、制御装置１が外部
と送受信するためのポートであり、信号配線６を介して
組電池５の第１接続ポート９に接続されている。絶縁回
路２２は、電位レベルの異なる信号と制御装置１の内部
回路（具体的にはマスター側制御手段２３）とを絶縁す
るものであり、組電池５の外部に対して電気的独立を保
つものである。In FIG. 1, a power storage device includes a control device 1,
A plurality of assembled batteries 5 and signal wirings 6 and 7 for connecting these are provided. The control device 1 constitutes a master with the battery pack 5 as a slave, and includes a connection port 21, an insulation circuit 22, a master-side control means 23, and an insulation circuit power supply 2.
Four. The connection port 21 is a port through which the control device 1 transmits and receives signals to and from the outside, and is connected to the first connection port 9 of the battery pack 5 via the signal wiring 6. The insulating circuit 22 insulates signals having different potential levels from the internal circuit of the control device 1 (specifically, the master-side control means 23) and maintains electrical independence from the outside of the battery pack 5. It is.
【００１６】マスター側制御手段２３は、例えばマイコ
ンで構成されて蓄電装置全体を制御する機能と組電池５
を制御する機能とを有するものであり、絶縁回路２２及
び接続ポート２１を介して外部と信号を送受信すると共
に、絶縁回路電源２４にオンオフ信号を出力する。絶縁
回路電源２４は、制御装置１にのみ搭載され、マスター
側制御手段２３からのオンオフ信号に基づいて動作し、
絶縁回路２２及び各組電池５の絶縁回路１１に電源を供
給する。このように、絶縁回路電源２４は、制御装置１
にのみ搭載し、消費電力削減に関わる電源遮断動作を制
御装置１に委ねることにより、装置全体の構成の簡略化
を図っている。The master-side control means 23 is composed of, for example, a microcomputer and controls the entire power storage device.
And transmits and receives signals to and from the outside via the insulation circuit 22 and the connection port 21, and outputs an on / off signal to the insulation circuit power supply 24. The insulation circuit power supply 24 is mounted only on the control device 1 and operates based on an on / off signal from the master-side control means 23.
Power is supplied to the insulation circuit 22 and the insulation circuit 11 of each battery pack 5. Thus, the insulation circuit power supply 24 is
And the control device 1 is entrusted with the power cutoff operation related to the reduction in power consumption, thereby simplifying the configuration of the entire device.
【００１７】組電池５は、モジュール電池４及び電池監
視装置２を備えており、制御装置１をマスターとするス
レーブを構成するものであり、複数設けられている。The battery pack 5 includes a module battery 4 and a battery monitoring device 2, and constitutes a slave having the control device 1 as a master.
【００１８】モジュール電池４は、ニッケル水素電池や
リチウム電池等よりなる二次電池３を複数直列に接続し
て構成され、必要な電圧を発生するように設けられてい
る。The module battery 4 is configured by connecting a plurality of secondary batteries 3 such as nickel-metal hydride batteries and lithium batteries in series, and is provided so as to generate a required voltage.
【００１９】電池監視装置２は、通信インターフェース
回路１２、スレーブ側制御手段１４、電圧検出回路１３
及び信号有無検出回路１７を有している。通信インター
フェース回路１２は、接続ポート１９及び絶縁回路１１
を有している。そして、接続ポート１９は、図２に示す
ように、第１接続ポート９及び第２接続ポート１０を有
しており、第１接続ポート９と第２接続ポート１０とは
直接接続されている。制御装置１に対して第１番目に接
続される電池監視装置２における第１接続ポート９は、
信号配線６を介して制御装置１の接続ポート２１に接続
されている。第２接続ポート１０は次の電池監視装置２
の第１接続ポート９に信号配線７を介して接続されてい
る。２番目以降の電池監視装置２における第１接続ポー
ト９は、その前の電池監視装置２の第２接続ポート１０
に信号配線７を介して接続されている。最後の電池監視
装置２は、第１接続ポート９により前の電池監視装置２
と送受信するのみであり、第２接続ポート１０を次の電
池監視装置２に接続する必要はない。絶縁回路１１は、
電位レベルの異なる信号と電池監視装置２の内部回路
（具体的にはスレーブ側制御手段１４、信号有無検出回
路１７及び電圧検出回路１３）とを絶縁するものであ
り、制御装置１及び他の電池監視装置２に対して電気的
独立を保つものである。これにより、制御装置１と電池
監視装置２とを結ぶ信号配線６、電池監視装置２間を結
ぶ信号配線７及び各接続ポート９、１０は、制御装置１
及び電池監視装置２の内部回路とは独立して接続された
状態となり、これらの内部回路の電気的な影響を受ける
ことなく、通信機能を保持することができる。The battery monitoring device 2 includes a communication interface circuit 12, a slave control unit 14, a voltage detection circuit 13,
And a signal presence / absence detection circuit 17. The communication interface circuit 12 includes a connection port 19 and an insulation circuit 11.
have. The connection port 19 has a first connection port 9 and a second connection port 10, as shown in FIG. 2, and the first connection port 9 and the second connection port 10 are directly connected. The first connection port 9 in the battery monitoring device 2 connected first to the control device 1 is:
It is connected to the connection port 21 of the control device 1 via the signal wiring 6. The second connection port 10 is connected to the next battery monitoring device 2.
Is connected to the first connection port 9 via the signal wiring 7. The first connection port 9 of the second and subsequent battery monitoring devices 2 is connected to the second connection port 10 of the previous battery monitoring device 2.
Are connected via a signal wiring 7. The last battery monitoring device 2 is connected to the previous battery monitoring device 2 by the first connection port 9.
, And there is no need to connect the second connection port 10 to the next battery monitoring device 2. The insulation circuit 11
It insulates signals having different potential levels from internal circuits of the battery monitoring device 2 (specifically, the slave-side control means 14, the signal presence / absence detection circuit 17, and the voltage detection circuit 13), and includes the control device 1 and other batteries. The monitoring device 2 is kept electrically independent. As a result, the signal wiring 6 connecting the control device 1 and the battery monitoring device 2, the signal wiring 7 connecting the battery monitoring devices 2, and the connection ports 9 and 10 are connected to the control device 1.
And, it becomes a state of being connected independently of the internal circuit of the battery monitoring device 2, and can maintain the communication function without being electrically affected by these internal circuits.
【００２０】電圧検出回路１３は、各二次電池３の電池
状態を検出するものであり、具体的には各二次電池３の
両端の電池電圧を検出し、検出した電池電圧をスレーブ
側制御手段１４に出力するように接続されている。The voltage detection circuit 13 detects the battery state of each secondary battery 3. Specifically, it detects the battery voltage at both ends of each secondary battery 3 and controls the detected battery voltage on the slave side. It is connected to output to the means 14.
【００２１】スレーブ側制御手段１４は、例えばマイコ
ンで構成されており、通信インターフェース回路１２を
介して制御装置１及び他の組電池５と送受信されると共
に、電圧検出回路１３で検出した電池電圧の信号が入力
される。この電圧検出回路１３で検出した電池電圧が二
次電池３の制限電圧値を超えている場合には、スレーブ
側制御手段１４でそれを認識して後述するように設定さ
れるアドレスと共に不具合情報である制御信号を通信イ
ンターフェース回路１２を通して制御装置１に送信す
る。これにより、制御装置１は不具合な組電池を特定し
て認識することができる。また、このスレーブ側制御手
段１４は、仮アドレス生成のための乱数発生部１５及び
設定されたアドレスを記憶するための記憶部１６を有し
ている。The slave-side control means 14 is composed of, for example, a microcomputer. The slave-side control means 14 communicates with the control device 1 and another battery pack 5 via the communication interface circuit 12 and detects the battery voltage detected by the voltage detection circuit 13. A signal is input. If the battery voltage detected by the voltage detection circuit 13 exceeds the limit voltage value of the secondary battery 3, the slave-side control means 14 recognizes the battery voltage, and sends an address set as described later and fault information. A certain control signal is transmitted to the control device 1 through the communication interface circuit 12. Thereby, the control device 1 can identify and recognize the defective battery pack. Further, the slave-side control means 14 has a random number generation unit 15 for generating a temporary address and a storage unit 16 for storing the set address.
【００２２】信号有無検出回路１７は、回線上の信号の
有無を検出し、スレーブ側制御手段１４に出力し、スレ
ーブ側制御手段１４からの制御信号出力を回線上の信号
がない場合に行なうように制御するものである。これに
より、バス通信信号配線６、７の回線上への出力を短い
待ち時間で行なうことができる。The signal presence / absence detection circuit 17 detects the presence / absence of a signal on the line, outputs the signal to the slave side control means 14, and outputs the control signal from the slave side control means 14 when there is no signal on the line. Is controlled. Thus, the output of the bus communication signal lines 6 and 7 onto the line can be performed with a short waiting time.
【００２３】信号配線６は蓄電装置全体をコントロール
する制御装置１と電池監視装置２を接続して情報の送受
信を行なうものであり、信号配線７は各電池監視装置２
を接続して情報の送受信を行なうものである。制御装置
１と組電池５との間及び各組電池５の間で受け渡す情報
は、この信号配線６、７によるバス接続を用いて送受信
される。従って、本実施例においては、一つの発信源の
情報は他の受信先に同時に伝わることとしている。これ
により、不具合な二次電池の検出に基づく制御を迅速に
行なうことができ、信頼性の高いものとすることができ
る。The signal wiring 6 connects the control device 1 for controlling the entire power storage device and the battery monitoring device 2 to transmit and receive information. The signal wiring 7 is connected to each battery monitoring device 2.
To transmit and receive information. Information to be transferred between the control device 1 and the battery pack 5 and between the battery packs 5 is transmitted and received using the bus connection by the signal wires 6 and 7. Therefore, in this embodiment, information of one transmission source is transmitted to another reception destination at the same time. As a result, control based on detection of a defective secondary battery can be performed quickly, and high reliability can be achieved.
【００２４】また、信号配線６、７は、バス通信信号線
とともに、電源供給線として別途配線を抱き込ませて、
複数の電池監視装置２に対して絶縁回路の電源を供給す
るようにしている。なお、バス通信信号線と絶縁回路電
源２４の電源供給線と兼ねる方法として、電源供給線に
信号を重畳し、周波数帯域の違いで信号だけを分離する
ようにすることが考えられ、このようにすることにより
ケーブル本数の削減を図ることが可能である。The signal lines 6 and 7 are separately provided as power supply lines together with the bus communication signal lines.
The power of the insulating circuit is supplied to the plurality of battery monitoring devices 2. In addition, as a method of also serving as the bus communication signal line and the power supply line of the insulating circuit power supply 24, it is conceivable to superimpose a signal on the power supply line and to separate only the signal by a difference in frequency band. By doing so, it is possible to reduce the number of cables.
【００２５】次に、かかる蓄電装置のスレーブアドレス
設定方法の一例を図３を用いて説明する。図３は図１の
蓄電装置のスレーブアドレス設定方法を示すフロチャー
ト図である。図３（Ａ）はマスター側となる制御装置１
の処理動作フローチャート、図３（Ｂ）はスレーブ側と
なる組電池５の処理動作フローチャートを示す。Next, an example of a method for setting a slave address of the power storage device will be described with reference to FIG. FIG. 3 is a flowchart showing a slave address setting method of the power storage device of FIG. FIG. 3A shows a control device 1 on the master side.
FIG. 3B is a flowchart showing the operation of the battery pack 5 on the slave side.
【００２６】マスター側制御手段２３は、スレーブアド
レスの設定または再設定が必要と判断した場合に、バス
接続された信号配線６、７で接続されている全てのスレ
ーブ側制御手段１４に対してアドレス設定のコマンドを
発行またはアドレス再設定のコマンドを発行して送信す
る（ステップ４０）。なお、ここでは、アドレス再設定
の場合について説明するが、アドレス設定が必要な場合
もこれと同様に行なうものである。When the master-side control means 23 determines that the setting or resetting of the slave address is necessary, the master-side control means 23 sends an address to all the slave-side control means 14 connected by the bus-connected signal wirings 6 and 7. A setting command is issued or an address reset command is issued and transmitted (step 40). Here, the case of resetting the address will be described, but the same applies to the case where the address setting is necessary.
【００２７】スレーブ側制御手段１４は、このコマンド
を受信すると、コマンドの受信処理を行ない（ステップ
５０）、そのコマンドの種類の判定を行なう（ステップ
５１）。この判定で、アドレス再設定コマンドと判定し
た場合には、スレーブ側制御手段１４が持つ乱数発生部
１５（ここでは電池電圧検出データをシードとする乱数
発生プログラム）を用いて１〜Ｎ以下(Ｎは予め定めた
上限値でここでは２５５とする)の乱数を発生させ、そ
の乱数を仮の自己アドレスとする（ステップ５２）。When receiving this command, the slave-side control means 14 performs a command receiving process (step 50), and determines the type of the command (step 51). In this determination, if it is determined that the command is an address reset command, a random number generation unit 15 (here, a random number generation program using the battery voltage detection data as a seed) of the slave-side control unit 14 is used. Is a predetermined upper limit value and is 255 in this case), and the random number is used as a temporary self address (step 52).
【００２８】次いで、返信データの準備を行ない（ステ
ップ５３）、その仮アドレスを待ち時間としてカウント
し、採用した乱数による返信待ち時間の調整処理を行な
い（ステップ５４）、その仮アドレスを返信処理し、マ
スター側制御手段２３に送信する（ステップ５５）。こ
の待ち時間に関しては、信号有無検出回路１７と併用す
ることにより、必要最低限の待ち時間に設定することが
できる。Next, the reply data is prepared (step 53), the temporary address is counted as the waiting time, the reply waiting time is adjusted by the adopted random number (step 54), and the temporary address is returned. Is transmitted to the master-side control means 23 (step 55). The waiting time can be set to the minimum necessary waiting time by using the signal presence detecting circuit 17 together.
【００２９】このスレーブ側制御手段１４から仮アドレ
スの送信を受けたマスター側制御手段２３は、仮アドレ
スの受信処理を行ない（ステップ４１）、有効受信デー
タ件数が仮アドレスの種類数と同じか否かを判定する
（ステップ４２）。マスター側制御手段２３側では、全
てのスレーブ側制御手段１４が異なる仮アドレスである
とすれば、有効受信データ件数と仮アドレスの種類数が
最終的に同じになるはずであるから、このステップ４２
の判定で、有効受信データ件数と仮アドレスの種類数が
同じでない場合にはステップ４０に戻ってアドレス再設
定コマンドの発行を行ない、有効受信データ件数と仮ア
ドレスの種類数が同じになるまで繰り返す。The master control means 23, which has received the provisional address from the slave control means 14, performs a provisional address reception process (step 41), and determines whether the number of valid reception data is equal to the number of provisional address types. Is determined (step 42). On the master side control unit 23 side, if all the slave side control units 14 have different temporary addresses, the number of valid reception data and the number of types of temporary addresses should be finally the same.
If it is determined that the number of valid reception data and the number of types of temporary addresses are not the same, the process returns to step 40 to issue an address reset command, and is repeated until the number of valid reception data and the number of types of temporary addresses become the same. .
【００３０】ステップ４２において、有効受信データ件
数と仮アドレスの種類数が同じになった場合には、マス
ター側制御手段２３は仮アドレスに重複があるか判定す
る（ステップ４３）。この判定で、仮アドレスに重複が
ある場合には、ステップ４０に戻ってアドレス再設定コ
マンドの発行を行ない、仮アドレスの重複がなくなるま
で繰り返す。If the number of valid received data and the number of types of temporary addresses are the same in step 42, the master-side control means 23 determines whether the temporary addresses are duplicated (step 43). If there is an overlap in the temporary addresses, the process returns to step 40 to issue an address reset command, and repeats until there is no overlap in the temporary addresses.
【００３１】そして、仮アドレスの重複がなくなった場
合には、スレーブ側制御手段１４の全てに異なるアドレ
スデータが配分されるものとして、マスター側制御手段
２３はアドレス確定コマンドの発行を行ない、全てのス
レーブ側制御手段１４に送信する。スレーブ側制御手段
１４では、このアドレス確定コマンドの送信を受けて、
コマンド受信処理をし（ステップ５０）、そのコマンド
の種類の判定を行なう（ステップ５１）。この判定で、
コマンドがアドレス確定コマンドであると判定した場合
には、その仮アドレスをマスター側制御手段２３の本当
の自己アドレスとして記憶部１６に記憶し（ステップ５
６）、ステップ５３からステップ５５の処理を行なう。
このようにして自動的に複数の電池監視装置２のアドレ
スを確定させることができる。When duplication of the temporary address is eliminated, the master-side control means 23 issues an address determination command, assuming that different address data is distributed to all of the slave-side control means 14, and issues an address determination command. It is transmitted to the slave side control means 14. In response to the transmission of the address determination command, the slave-side control means 14
A command receiving process is performed (step 50), and the type of the command is determined (step 51). In this judgment,
If it is determined that the command is an address determination command, the temporary address is stored in the storage unit 16 as the true self address of the master-side control unit 23 (step 5).
6) The processing from step 53 to step 55 is performed.
In this way, the addresses of the plurality of battery monitoring devices 2 can be automatically determined.
【００３２】このように、乱数発生部１５により仮アド
レスを発生してこれを自己アドレスに確定するように処
理動作させたので、簡単に各電池監視装置２に自己アド
レスを設定することができる。As described above, since the temporary address is generated by the random number generation unit 15 and the processing is performed so as to determine the temporary address as the self address, the self address can be easily set in each battery monitoring device 2.
【００３３】なお、ステップ５１において、コマンドの
種類がアドレス設定コマンド及びアドレス確定コマンド
でない場合には、ステップ５０に戻る。If it is determined in step 51 that the type of the command is not the address setting command or the address determination command, the process returns to step 50.
【００３４】本実施例によれば、制御手段の処理動作に
より自動的に設定するアドレスを用いて電池監視装置２
を特定することができるので、電圧検出回路１３で検出
した電池電圧が二次電池３の制限電圧値を超えている場
合には、スレーブ側制御手段１４でそれを認識してこの
アドレスと共に不具合情報を通信インターフェース回路
１２を通して制御装置１に送信することにより、制御装
置１のマスター側制御手段２３で不具合な組電池５を特
定することができる。従って、制御装置１では不具合な
組電池５を特定して必要な制御、例えばその組電池５の
存在を外部に警報する等を確実に行なうことができる。According to this embodiment, the battery monitoring device 2 uses the address automatically set by the processing operation of the control means.
If the battery voltage detected by the voltage detection circuit 13 exceeds the limit voltage value of the secondary battery 3, the slave side control means 14 recognizes the battery voltage and sends the defect information together with this address. Is transmitted to the control device 1 through the communication interface circuit 12 so that the master-side control unit 23 of the control device 1 can identify the defective battery pack 5. Therefore, the control device 1 can reliably perform the necessary control by specifying the defective battery pack 5, for example, alarming the existence of the battery pack 5 to the outside.
【００３５】また、各電圧監視装置５内にアドレスを設
定するためのディップスイッチ等の回路部品を必要とし
ないために、各電圧監視装置５内の配線数が削減でき、
回路部品に基づく誤配線及びアドレス誤設定の発生を防
ぐことができ、組立て工数及び検査工数を削減できると
共に、各電圧監視装置５内の回路部品及び配線スペース
を少なくできてコスト低減を図ることができる。Further, since circuit components such as a dip switch for setting an address in each voltage monitoring device 5 are not required, the number of wirings in each voltage monitoring device 5 can be reduced.
It is possible to prevent erroneous wiring and erroneous address setting based on circuit components, to reduce the number of assembling steps and inspection steps, and to reduce the number of circuit parts and wiring space in each voltage monitoring device 5, thereby reducing costs. it can.
【００３６】さらには、制御装置１の制御手段をマスタ
ー側制御手段とし、各電池監視装置２の制御手段をスレ
ーブ側制御手段としたので、複数の各電池監視装置２を
実質的に同一のものとすることができ、安価なものとす
ることができる。Furthermore, since the control means of the control device 1 is the master control means and the control means of each battery monitoring device 2 is the slave control means, the plurality of battery monitoring devices 2 are substantially the same. And can be inexpensive.
【００３７】次に、本発明の第２実施例を図４及び図５
を用いて説明する。Next, a second embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.
【００３８】まず、本発明の第２実施例の蓄電装置にお
ける組電池の構成を図４を用いて説明する。図４は本発
明の第２実施例の蓄電装置における電池監視装置の構成
図である。なお、本実施例においては、制御装置及び他
の電池監視装置との接続構成は第１実施例と共通するの
で、図示及び重複する説明を省略する。First, the configuration of the battery pack in the power storage device according to the second embodiment of the present invention will be described with reference to FIG. FIG. 4 is a configuration diagram of a battery monitoring device in a power storage device according to a second embodiment of the present invention. In the present embodiment, the connection configuration with the control device and other battery monitoring devices is common to that of the first embodiment, so that illustration and redundant description are omitted.
【００３９】図４の電池監視装置２は、マスターである
制御装置１とスレーブである電池監視装置２を接続した
ときに、上流のマスターからの情報を接続ポート９で受
け取り、必要であれば情報を付加した上で、接続ポート
１０から下流のスレーブへ情報を中継し、下流のスレー
ブも同様の手段で中継し、全スレーブへマスターからの
情報を伝達していく場合に必要となる構成例であり、シ
リアル通信信号配線６、７としたものである。The battery monitoring device 2 shown in FIG. 4 receives information from the upstream master at the connection port 9 when the control device 1 as the master and the battery monitoring device 2 as the slave are connected. , The information is relayed from the connection port 10 to the downstream slaves, the downstream slaves are also relayed by the same means, and the information from the master is transmitted to all the slaves. The serial communication signal wirings 6 and 7 are provided.
【００４０】具体的には、絶縁回路として第１絶縁回路
１１ａと第２絶縁回路１１ｂとを設け、第１接続ポート
９と第１絶縁回路１１ａとを受信用差動増幅器１８ａ及
び送信用差動増幅器１８ｂを介して接続すると共に、第
２接続ポート１０と第２絶縁回路１１ｂとを受信用差動
増幅器１８ｃ及び送信用差動増幅器１８ｄを介して接続
している。そして、第１絶縁回路１１ａはスレーブ側制
御手段１４の入力ポートＳｉ１及び出力ポートＳｏ２に
接続され、第２絶縁回路１１ｂはスレーブ側制御手段１
４の入力ポートＳｉ２及び出力ポートＳｏ２に接続され
ている。Specifically, a first insulation circuit 11a and a second insulation circuit 11b are provided as insulation circuits, and the first connection port 9 and the first insulation circuit 11a are connected to the differential amplifier 18a for reception and the differential amplifier for transmission. The connection is made via an amplifier 18b, and the second connection port 10 and the second insulating circuit 11b are connected via a reception differential amplifier 18c and a transmission differential amplifier 18d. The first insulating circuit 11a is connected to the input port Si1 and the output port So2 of the slave control means 14, and the second insulating circuit 11b is connected to the slave control means 1
4 is connected to the input port Si2 and the output port So2.
【００４１】スレーブ側制御手段１４は、アドレスを記
録する記憶部１６を有しているが、第１実施例に示す乱
数発生部を有していないものである。The slave side control means 14 has a storage section 16 for recording an address, but does not have the random number generation section shown in the first embodiment.
【００４２】次いで、かかる蓄電装置のスレーブアドレ
ス設定方法の一例を図５を用いて説明する。図５は本発
明の第２実施例の蓄電装置のスレーブアドレス設定方法
を示す電文フォーマットである。本実施例ではスレーブ
アドレスを設定するのに電文（コマンドデータ文）を用
いたことを特徴とするものである。Next, an example of a method of setting a slave address of the power storage device will be described with reference to FIG. FIG. 5 is a message format showing a slave address setting method of the power storage device according to the second embodiment of the present invention. This embodiment is characterized in that a telegram (command data sentence) is used to set the slave address.
【００４３】マスター側制御手段２３は、スレーブアド
レスの設定または再設定が必要と判断した場合に、信号
配線６で接続されている１番目のスレーブ側制御手段１
４に対してアドレス設定の電文またはアドレス再設定の
電文Ａを発行して送信する。この電文例は、スレーブ最
大接続数を１６個とし、現実に構成するスレーブ数を８
個とした場合の電文例であり、電文種別、コマンド種
別、付属データ等を有する。電文種別は、マスター側か
らスレーブ側への送信かまたはスレーブ側からマスター
側への送信かを区別するための情報であり、前者のとき
にＨ’００となり、後者のときにＨ’０１となる。コマ
ンド種別は、アドレス設定かまたはアドレス再設定かを
区別するための情報である。付属データは、スレーブア
ドレスを特定して識別するための情報であり、実スレー
ブに対して最初のビットからその実スレーブ数だけ割当
てられ、その後のビットには１を設定してある。なお、
ここでは、アドレス再設定の場合について説明するが、
アドレス設定の場合もこれと同様に行なうものである。When it is determined that the setting or resetting of the slave address is necessary, the master-side control means 23 determines the first slave-side control means 1 connected by the signal wiring 6.
4 and transmits and transmits a message A for address setting or a message A for address resetting. In this message example, the maximum number of slave connections is 16, and the number of actually configured slaves is 8.
This is an example of a message in the case where the number is set, and includes a message type, a command type, attached data, and the like. The message type is information for distinguishing transmission from the master side to the slave side or transmission from the slave side to the master side, and becomes H'00 in the former case and H'01 in the latter case. . The command type is information for distinguishing between address setting and address resetting. The attached data is information for identifying and identifying the slave address, and is assigned to the actual slave from the first bit by the number of the actual slaves, and 1 is set to the subsequent bits. In addition,
Here, the case of address reset will be described.
Address setting is performed in the same manner.
【００４４】マスター側制御手段２３に最初に接続され
ている１番目のスレーブ側制御手段１４は、マスター側
制御手段２３から第１接続ポート９を通して前述の電文
Ａを受信した場合に、この電文Ａを判断して自分がマス
ター側制御手段２３から１番目のスレーブ側制御手段１
４であることを認識し、電文Ｂの如く自らが存在するこ
とを示すデータビットを付属データの８ビット目に加工
し、自己アドレスとして記憶部１６に記憶した後、第２
接続ポート１０から下流のスレーブ側制御手段１４へ電
文Ｂを中継する。When the first slave side control means 14 connected first to the master side control means 23 receives the above-mentioned message A from the master side control means 23 through the first connection port 9, this first message A Is determined by the master-side control means 23 and the first slave-side control means 1
4 and processes the data bit indicating the existence of itself, such as message B, into the 8th bit of the attached data and stores it in the storage unit 16 as its own address.
The message B is relayed from the connection port 10 to the downstream control means 14 on the downstream side.
【００４５】次の下流のスレーブ側制御手段１４は、こ
の電文Ａを受信した場合に、この電文Ｂを判断して自分
がマスター側制御手段２３から２番目のスレーブ側制御
手段１４であることを認識し、自らが存在することを示
すデータビットを電文の付属データの７ビット目に加工
し、自己アドレスとして記憶部１６に記憶した後、第２
接続ポート１０から下流のスレーブ側制御手段１４へそ
の電文を中継する。このようにして、各スレーブ側制御
手段１４の自己アドレスを自動的に設定して記憶部１６
に記憶し、下流側のスレーブ側制御手段１４へその電文
を順次加工しながら中継する。When receiving the message A, the next downstream slave side control means 14 judges the message B and determines that it is the second slave side control means 14 from the master side control means 23. After recognizing and processing the data bit indicating the existence of itself to the seventh bit of the attached data of the message and storing it in the storage unit 16 as its own address, the second
The message is relayed from the connection port 10 to the slave side control means 14 on the downstream side. In this way, the self address of each slave side control means 14 is automatically set and stored in the storage section 16.
And relays the message to the slave-side control means 14 on the downstream side while sequentially processing the message.
【００４６】そして、末端の（この実施例では８番目
の）スレーブ側制御手段１４は、マスター側制御手段２
３が予め全スレーブ数を設定することができるので、末
端のスレーブ側制御手段１４が電文を加工したときに、
末端のスレーブ側制御手段１４自身が自らが末端である
ことを認識することができる。これにより、末端となる
スレーブ側制御手段１４は、電文種別をＨ’０１に変更
して、下流のスレーブ側制御手段１４ではなく、今度は
上流のスレーブ側制御手段１４に対して電文Ｃを返信す
る。The terminal (eighth in this embodiment) slave side control means 14 is the master side control means 2.
3 can set the total number of slaves in advance, so that when the slave-side control means 14 at the end processes the message,
The end slave side control means 14 itself can recognize that it is the end. As a result, the slave side control means 14 at the end changes the message type to H'01, and returns the message C to the upstream slave side control means 14 instead of the downstream slave side control means 14 this time. I do.
【００４７】次の上流のスレーブ側制御手段１４は、電
文種別をＨ’０１に変更して、それをさらに上流に中継
し、最終的に電文Ｃがマスター側制御手段２３に伝達さ
れる。これにより、マスター側制御手段２３は、全ての
スレーブ側制御手段１４のアドレス設定が完了したかを
確認することができる。The next upstream slave-side control means 14 changes the message type to H'01, relays it further upstream, and finally the message C is transmitted to the master-side control means 23. Thereby, the master-side control unit 23 can confirm whether the address setting of all the slave-side control units 14 is completed.
【００４８】このようにして、本実施例においては、自
動的にかつ接続順に複数の電池監視装置２の通信アドレ
スを確定させることができる。As described above, in this embodiment, the communication addresses of the plurality of battery monitoring devices 2 can be determined automatically and in the order of connection.
【００４９】[0049]
【発明の効果】本発明によれば、確実な電池監視制御を
行なうことができると共に、各電池監視装置のアドレス
識別用の回路部品を必要とせずに安価で電池監視装置の
配線スペース、組立て工数及び検査工数を削減できる蓄
電装置を得ることができる。According to the present invention, reliable battery monitoring control can be performed, and the wiring space and the number of assembling steps of the battery monitoring device can be reduced without requiring a circuit component for address identification of each battery monitoring device. Further, a power storage device that can reduce the number of inspection steps can be obtained.
【図１】本発明の第１実施例の蓄電装置の構成図であ
る。FIG. 1 is a configuration diagram of a power storage device according to a first embodiment of the present invention.
【図２】図１の蓄電装置における組電池の構成図であ
る。FIG. 2 is a configuration diagram of a battery pack in the power storage device of FIG.
【図３】図１の蓄電装置のスレーブアドレス設定方法を
示すフロチャート図である。FIG. 3 is a flowchart showing a slave address setting method of the power storage device of FIG.
【図４】本発明の第２実施例の蓄電装置における組電池
の構成図である。FIG. 4 is a configuration diagram of a battery pack in a power storage device according to a second embodiment of the present invention.
【図５】本発明の第２実施例のスレーブアドレス設定方
法を示す電文フォーマットである。FIG. 5 is a message format showing a slave address setting method according to a second embodiment of the present invention.
１…制御装置、２…電池監視装置、３…二次電池、４…
モジュール電池、５…組電池、６…信号配線、７…信号
配線、９…第１接続ポート、１０…第２接続ポート、１
１…絶縁回路、１２…通信インターフェース回路、１３
…電圧検出回路、１４…スレーブ側制御手段、１５…乱
数発生部、１６…記憶部、１７…信号有無検出回路、１
９…接続ポート、２１…接続ポート、２２…絶縁回路、
２３…マスター側制御手段、２４…絶縁回路電源。DESCRIPTION OF SYMBOLS 1 ... Control device, 2 ... Battery monitoring device, 3 ... Secondary battery, 4 ...
Module battery, 5 battery pack, 6 signal wiring, 7 signal wiring, 9 first connection port, 10 second connection port, 1
DESCRIPTION OF SYMBOLS 1 ... Insulation circuit, 12 ... Communication interface circuit, 13
... voltage detection circuit, 14 ... slave side control means, 15 ... random number generation unit, 16 ... storage unit, 17 ... signal presence / absence detection circuit, 1
9 connection port, 21 connection port, 22 insulation circuit,
23: master side control means, 24: insulation circuit power supply.
フロントページの続き (72)発明者 大川 豊和 栃木県下都賀郡大平町大字富田800番地 株式会社日立製作所冷熱事業部内 (72)発明者 坂入 美千子 栃木県下都賀郡大平町大字富田800番地 株式会社日立製作所冷熱事業部内 Ｆターム(参考） 5G003 BA03 EA08 FA06 FA08 GC05 5H030 AA09 AS03 AS08 AS11 FF44Continuing on the front page (72) Inventor Toyooka Okawa 800, Tomita, Odai-machi, Ohira-machi, Shimotsuga-gun, Tochigi Prefecture Inside the Hitachi, Ltd.Cooling Division F-term in business division (reference) 5G003 BA03 EA08 FA06 FA08 GC05 5H030 AA09 AS03 AS08 AS11 FF44
Claims (5)
電池を一つ以上の所定単位でその電池電圧を監視する複
数の電池監視装置と、蓄電装置を制御する制御装置と、
前記制御装置と前記電池監視装置間及び前記各電池監視
装置間を接続する信号配線とを備え、前記制御装置はマ
スター側制御手段を有し、前記電池監視装置は、記憶部
を有するスレーブ側制御手段と、前記二次電池の電池電
圧を検出して前記スレーブ側制御手段に出力する電圧検
出回路とを有し、前記各スレーブ側制御手段は、前記マ
スター側制御手段との処理動作により設定したそれぞれ
の自己アドレスを前記記憶部に記憶すると共に、前記電
圧検出回路で検出した電池電圧に基づいて出力する制御
信号に前記記憶部に記憶された自己アドレスを付加して
前記マスター側制御手段に送信することを特徴とする蓄
電装置。1. A plurality of secondary batteries connected in series, a plurality of battery monitoring devices monitoring the battery voltage of the secondary batteries in one or more predetermined units, a control device controlling a power storage device,
A signal line for connecting the control device and the battery monitoring device and each of the battery monitoring devices, wherein the control device has master-side control means, and the battery monitoring device has a slave-side control having a storage unit. Means, and a voltage detection circuit for detecting the battery voltage of the secondary battery and outputting the battery voltage to the slave-side control means, wherein each of the slave-side control means is set by a processing operation with the master-side control means. Each of the self addresses is stored in the storage unit, and the self address stored in the storage unit is added to a control signal output based on the battery voltage detected by the voltage detection circuit and transmitted to the master side control unit. A power storage device, comprising:
電池を一つ以上の所定単位でその電池電圧を監視する複
数の電池監視装置と、蓄電装置を制御する制御装置と、
前記制御装置と前記各電池監視装置間を接続するバス信
号配線とを備え、前記制御装置はマスター側制御手段を
有し、前記電池監視装置は、乱数発生部及び記憶部を有
するスレーブ側制御手段と、前記二次電池の電池電圧を
検出して前記スレーブ側制御手段に出力する電圧検出回
路とを有し、前記各スレーブ側制御手段は、前記乱数発
生部で発生させた仮アドレスに基づいて前記マスター側
制御手段との処理動作により設定したそれぞれの自己ア
ドレスを前記記憶部に記憶すると共に、前記電圧検出回
路で検出した電池電圧に基づいて出力する制御信号に前
記記憶部に記憶された自己アドレスを付加して前記マス
ター側制御手段に送信することを特徴とする蓄電装置。2. A plurality of rechargeable batteries connected in series, a plurality of battery monitoring devices monitoring the battery voltage of the rechargeable batteries in one or more predetermined units, a control device controlling a power storage device,
A bus signal line for connecting between the control device and each of the battery monitoring devices, wherein the control device has master-side control means, and the battery monitoring device has a random-number generation unit and a storage unit. And a voltage detection circuit that detects the battery voltage of the secondary battery and outputs the battery voltage to the slave-side control unit, wherein each of the slave-side control units is based on a temporary address generated by the random number generation unit. The respective self-addresses set by the processing operation with the master-side control means are stored in the storage unit, and the self-address stored in the storage unit is output to a control signal output based on the battery voltage detected by the voltage detection circuit. A power storage device, wherein an address is added and transmitted to the master-side control means.
電池を一つ以上の所定単位でその電池電圧を監視する複
数の電池監視装置と、蓄電装置を制御する制御装置と、
前記制御装置と前記各電池監視装置間を接続するバス信
号配線とを備え、前記制御装置はマスター側制御手段を
有し、前記電池監視装置は、接続ポート及び絶縁回路を
有する通信インターフェース回路と、記憶部を有するス
レーブ側制御手段と、前記二次電池の電池電圧を検出し
て前記スレーブ側制御手段に出力する電圧検出回路とを
有し、前記絶縁回路は前記接続ポートと前記スレーブ側
制御手段との間に設け、前記各スレーブ側制御手段は、
前記マスター側制御手段との処理動作により設定したそ
れぞれの自己アドレスを前記記憶部に記憶すると共に、
前記電圧検出回路で検出した電池電圧に基づいて出力す
る制御信号に前記記憶部に記憶された自己アドレスを付
加して前記マスター側制御手段に送信することを特徴と
する蓄電装置。3. A plurality of secondary batteries connected in series, a plurality of battery monitoring devices monitoring the battery voltage of the secondary batteries in one or more predetermined units, a control device controlling a power storage device,
A bus interface for connecting the control device and each of the battery monitoring devices, the control device has master-side control means, the battery monitoring device has a communication interface circuit having a connection port and an insulation circuit, A slave-side control unit having a storage unit; and a voltage detection circuit for detecting a battery voltage of the secondary battery and outputting the battery voltage to the slave-side control unit, wherein the insulation circuit includes the connection port and the slave-side control unit. , Each of the slave-side control means,
While storing each self-address set by the processing operation with the master-side control means in the storage unit,
A power storage device, wherein a self-address stored in the storage unit is added to a control signal output based on a battery voltage detected by the voltage detection circuit, and the control signal is transmitted to the master-side control unit.
電池を一つ以上の所定単位でその電池電圧を監視する複
数の電池監視装置と、蓄電装置を制御する制御装置と、
前記制御装置と前記電池監視装置間及び前記各電池監視
装置間を接続する信号配線とを備え、前記制御装置は、
接続ポート、絶縁回路、絶縁回路電源及びマスター側制
御手段を有し、前記制御装置の絶縁回路はその接続ポー
トとそのマスター側制御手段との間に設け、前記電池監
視装置は、接続ポート及び絶縁回路を有する通信インタ
ーフェース回路と、記憶部を有するスレーブ側制御手段
と、前記二次電池の電池電圧を検出して前記スレーブ側
制御手段に出力する電圧検出回路とを有し、前記電池監
視装置の絶縁回路はその接続ポートとそのスレーブ側制
御手段との間に設け、前記絶縁回路電源は、前記制御装
置の絶縁回路と前記各電池監視装置の絶縁回路とに電源
供給し、前記各スレーブ側制御手段は、前記マスター側
制御手段との処理動作により設定したそれぞれの自己ア
ドレスを前記記憶部に記憶すると共に、前記電圧検出回
路で検出した電池電圧に基づいて出力する制御信号に前
記記憶部に記憶された自己アドレスを付加して前記マス
ター側制御手段に送信することを特徴とする蓄電装置。4. A plurality of secondary batteries connected in series, a plurality of battery monitoring devices for monitoring the battery voltage of the secondary batteries in one or more predetermined units, a control device for controlling a power storage device,
The control device and the battery monitoring device and signal wiring for connecting between each battery monitoring device, the control device,
A connection port, an insulation circuit, an insulation circuit power supply and a master-side control means, an insulation circuit of the control device is provided between the connection port and the master-side control means, and the battery monitoring device includes a connection port and an insulation A communication interface circuit having a circuit, a slave-side control unit having a storage unit, and a voltage detection circuit that detects a battery voltage of the secondary battery and outputs the battery voltage to the slave-side control unit. An insulation circuit is provided between the connection port and the slave-side control means, and the insulation circuit power supply supplies power to the insulation circuit of the control device and the insulation circuit of each of the battery monitoring devices. Means for storing the respective self-addresses set by the processing operation with the master-side control means in the storage unit, and detecting the battery detected by the voltage detection circuit. Power storage device and transmits to the master-side control means adds the self address stored in the storage unit in the control signal to be output on the basis of the pressure.
電池を一つ以上の所定単位でその電池電圧を監視する複
数の電池監視装置と、蓄電装置を制御する制御装置と、
前記制御装置と前記電池監視装置間及び前記各電池監視
装置間を接続するシリアル通信信号配線とを備え、前記
制御装置はマスター側制御手段を有し、前記電池監視装
置は、記憶部を有するスレーブ側制御手段と、前記二次
電池の電池電圧を検出して前記スレーブ側制御手段に出
力する電圧検出回路とを有し、前記各スレーブ側制御手
段は、前記マスター側制御手段から送信された電文を変
更処理して設定したそれぞれの自己アドレスを前記記憶
部に記憶すると共に、次のスレーブ側制御手段に変更処
理した電文を中継し、前記電圧検出回路で検出した電池
電圧に基づいて出力する制御信号に前記記憶部に記憶さ
れた自己アドレスを付加して前記マスター側制御手段に
送信することを特徴とする蓄電装置。5. A plurality of rechargeable batteries connected in series, a plurality of battery monitoring devices monitoring the battery voltage of the rechargeable batteries in one or more predetermined units, a control device controlling a power storage device,
A serial communication signal line connecting the control device and the battery monitoring device and between the battery monitoring devices, wherein the control device has master-side control means, and the battery monitoring device is a slave having a storage unit. Side control means, and a voltage detection circuit for detecting the battery voltage of the secondary battery and outputting the detected voltage to the slave side control means, wherein each of the slave side control means includes a message transmitted from the master side control means. Control in which the self-addresses set by performing the changing process are stored in the storage unit, and the changed message is relayed to the next slave-side control means, and is output based on the battery voltage detected by the voltage detecting circuit. A power storage device, wherein a self-address stored in the storage unit is added to a signal and transmitted to the master-side control unit.
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