JPS60225078A - Battery state detector - Google Patents
Battery state detectorInfo
- Publication number
- JPS60225078A JPS60225078A JP59082353A JP8235384A JPS60225078A JP S60225078 A JPS60225078 A JP S60225078A JP 59082353 A JP59082353 A JP 59082353A JP 8235384 A JP8235384 A JP 8235384A JP S60225078 A JPS60225078 A JP S60225078A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- impedance
- charger
- output impedance
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Tests Of Electric Status Of Batteries (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明な、バッテリの残容量及び残寿命をめる、バッ
テリ状態検知装置に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a battery state detection device for determining the remaining capacity and remaining life of a battery.
く従来技術及び問題点〉
従来のバッテリ状態検知装置としては、例えば、特開昭
５３−１２７６４６号に示すようなものがある。BACKGROUND ART AND PROBLEMS> An example of a conventional battery condition detection device is the one shown in Japanese Patent Application Laid-Open No. 53-127646.
これは、バッテリ残容量とバッテリ内部インピーダンス
との間に一定の関係が存在することを利用して、バッテ
リの光電時における入力インピーダンス、又は、バッテ
リの放電時における出力インピーダンスから、バッテリ
残容ｉｎ求めるというものでおる。This method takes advantage of the fact that there is a certain relationship between the remaining battery capacity and the internal impedance of the battery, and calculates the remaining battery capacity in from the input impedance of the battery during photovoltaic operation or the output impedance when the battery is discharged. That's what it means.
しかしながら、このような従来のバッテリ状態検知装置
にあっては、バッテリ残容量と、バッテリ内部インピー
ダンスの特性がバッテリの＃命によって、変化するとい
う事が考慮されておらず、正確なバッテリ残容量を検出
できないという問題点があった。However, such conventional battery status detection devices do not take into account that the remaining battery capacity and battery internal impedance characteristics change depending on the life of the battery, making it difficult to accurately determine the remaining battery capacity. There was a problem that it could not be detected.
〈発明の目的〉
この発明は、このような従来の問題点に着目してなされ
たもので、バッテリの充電時における入力インピーダン
スと、放電時における出カイ／ビーダンスとから、正確
なバラブリ残８ｉに得るとともに、バッテリの残寿命を
も得る事のできるバッテリ状態検知装置の提供全目的と
する。<Purpose of the Invention> The present invention was made by focusing on such conventional problems, and it is possible to accurately determine the residual 8i of dispersion from the input impedance during battery charging and the output/beadance during discharging. It is an object of the present invention to provide a battery condition detection device capable of determining the remaining life of the battery as well as the remaining life of the battery.
〈発明の構成０作用〉
本発明を、第１図に基づいて説明する。第１図は、本発
明の全体構成を明示するブロック図でおる。<Structure 0 Effects of the Invention> The present invention will be explained based on FIG. 1. FIG. 1 is a block diagram showing the overall configuration of the present invention.
バッテリ充電時の流入′ｒＩＬ流情報色情報′を圧情報
とから人カインヒーダンス検知手段５でバッテリ入力イ
ンピーダンス全検知する。又、バッテリ放電時の流出電
流情報と端子電圧情報とから、出力インピーダンス検知
手段６で、バッテリ出力インピーダンスを検知する。The entire battery input impedance is detected by the human heat resistance detection means 5 based on the inflow ``rIL flow information color information'' and the pressure information during battery charging. Further, the output impedance detection means 6 detects the battery output impedance from the outflow current information and the terminal voltage information when the battery is discharged.
バッテリの充電時における入力インピーダンスと、残容
量、残寿命は、８２図に示すような関係となっておシ、
又、バッテリの放電時における出力インピーダンスと残
容量、残寿命に、ｍ３因に示すような関係となつ１いる
事が知られている。The input impedance, remaining capacity, and remaining life of a battery when charging have a relationship as shown in Figure 82.
Furthermore, it is known that the output impedance, remaining capacity, and remaining life of a battery when it is discharged have a relationship as shown in the m3 factor.
この事から、入力インピーダンスと出力インピーダンス
とにより、残容量、残寿命線、一義的にまる。From this, the remaining capacity and remaining life line are uniquely determined by the input impedance and output impedance.
例えは、測定された入力インピーダンス、出力インピー
ダンスが、それぞれａ、ｂで心ったとすると、第２図、
第３図の関係において、１つのバッテリについで、人、
出力インピーダンス會求めたのであるから、残容量、残
寿命は、一致するはずである。そこで残容量と残寿命の
一致する点、すなわち、ｃ、ｄ点がこのバッテリの状態
を表わしている事になめ０．その事から残容量は６０チ
、残寿命＃２５０％である１＄がまる。For example, if the measured input impedance and output impedance are set at a and b, respectively, then in Fig. 2,
In the relationship shown in Figure 3, next to one battery, a person,
Since the output impedance was calculated, the remaining capacity and remaining life should match. Therefore, the points where the remaining capacity and remaining life match, that is, points c and d, represent the state of the battery. Therefore, the remaining capacity is 60 inches, and the remaining life is #250%, which is 1 dollar.
そこで、演警、＋段γにおいては請求められた入カイ／
ビーダンスと出力インピーダンスから、残容量、残寿命
會演算によ請求める事ができる。Therefore, in Enkei, +Dan γ, the requested admission /
The remaining capacity and remaining life can be calculated from the beadance and output impedance.
〈実施例〉 以下本発明の実施例を図面に基づいて説明する。<Example> Embodiments of the present invention will be described below based on the drawings.
第４図は、この発明の実施例を示す図でおる。FIG. 4 is a diagram showing an embodiment of the present invention.
ＩＮ２マイクロコンピュータでＣＰＵ１２、／’モリ１
３、インターフェース１４から′１ｆＩｔＩ！ｔされて
いる。１５はバッテリである。１６は、バッテリ１５の
流出入電流を検知する電流検知器、１ｒは、バッテリ１
５で駆動される負荷器、１８は、バッテリ１５に充電す
る充電機である。前記マイクロ ・コンピュータ１１で
は、充電機制卿信号１９、負荷器制御信号２０によって
リレー２４．２Ｆｌ用いて、充電機１８及び負荷器１７
をそれぞれオン。IN2 microcomputer with CPU12, /'Mori1
3. '1fItI! from interface 14! It has been done. 15 is a battery. 16 is a current detector that detects the inflow and outflow current of the battery 15; 1r is the battery 1;
A load device 18 driven by the battery 5 is a charger that charges the battery 15. The microcomputer 11 uses the relay 24.2Fl to control the charger 18 and the loader 17 according to the charger control signal 19 and the loader control signal 20.
Turn on each.
オフの制御金踵必要な電流情報２１、電圧情報２２に待
て、バッテリ１５０入力インピーダンス、出カイ／ビー
ダンスを演算する。Wait for the necessary current information 21 and voltage information 22 to control off, and calculate the input impedance and output power/beadance of the battery 150.
メモリ１３内には、第２図と第３図に基づいて、横軸に
入力インピーダンス、縦軸に出力インピーダンスを持ち
、入出力インピーダンスの関係に対応した、バッテリ１
５の残容量、残寿命のデータ全登録したデータテーブル
が、予め入力されてお夕、前記求められた入力インピー
ダンス、出力インピーダンスからテーブルルックアップ
によシ、咳当する残容量、残寿命音読み出し、表示器２
３に表示する。In the memory 13, based on FIGS. 2 and 3, the horizontal axis represents the input impedance, and the vertical axis represents the output impedance, and the battery 1 corresponds to the relationship between the input and output impedances.
5. Remaining capacity and remaining life data All registered data tables are input in advance, and the remaining capacity of the cough pad and remaining life sound are read out by table lookup from the input impedance and output impedance obtained above. , indicator 2
Display on 3.
次にマイクロコンピュータ１１での処理について、第５
図りフローチャートを用いて説明する。Next, regarding the processing in the microcomputer 11, the fifth
This will be explained using a flowchart.
マイクロコンピュータ１１でＨｌ（Ｆ−１）ｆ充電機１
８及び負荷器１Ｔをオフにし、ＣＦ −２）で、バッテ
リ１５へ流れ込む漏れ電流Ｉｏ（従ってバッテリ１５側
から回路側への漏れ電流は負となる）と端子電圧Ｖｏ′
ｔ−測定する。次に（Ｆ’−３）で負荷器１Ｔはオフの
ｔま、充電機１８のみ會オンとし、ＣＦ−４）で、バッ
テリ１５へ流れ込む流入電流Ｉ、と充電電圧■１を測定
する。Hl(F-1)f charger 1 with microcomputer 11
8 and the load 1T are turned off, CF -2), the leakage current Io flowing into the battery 15 (therefore, the leakage current from the battery 15 side to the circuit side becomes negative) and the terminal voltage Vo'
t-measure. Next, at (F'-3), only the charger 18 is turned on while the loader 1T is off, and at CF-4), the inflow current I flowing into the battery 15 and the charging voltage (1) are measured.
以上求められたＩｏ 、Ｖｏ 、 Ｌ 、Ｖ＋から、バ
ッテリ１５０入カインピーダンスＲ目】は、
Ｖ、−Ｖ、。From Io, Vo, L, and V+ obtained above, the impedance R of the battery 150 is V, -V.
Ｒｉｄ ＝＝＋□ ・・・・・・・・ （す１、− Ｉ
。Rid ==+□ ・・・・・・・・・ (S1, - I
.
でめられる。ＣＦ−５）
次にＣＦ−６）で、負荷器１１はオフのまま、充電機１
８をオフにし、（Ｆ−７）で、バッテリ１５から回路へ
の漏れｔ流工ｔ（従ってバッテリ１５側〃・ら回路側へ
の漏れ電流は正となる）と端子電圧Ｖｔ全測定する。次
にＣＦ−８）で充電機１８１−１゜オフのまま、負荷器
１１をオンとし、ＣＦ−９）でバッテリ１５からの流出
′に流工、と負荷電圧Ｖ、を測定する。I can be fooled. CF-5) Next, at CF-6), the loader 11 remains off and the charger 1 is turned on.
8 is turned off, and at (F-7), the leakage current from the battery 15 to the circuit (therefore, the leakage current from the battery 15 side to the circuit side is positive) and the terminal voltage Vt are completely measured. Next, at CF-8), the loader 11 is turned on while the charger 181-1 is turned off, and at CF-9), the load voltage V and the current flowing from the battery 15 are measured.
以上求められたＩｔ 、Ｖｔ 、Ｉｓ 、Ｖｓより、バ
ッテリ１５の出力インピーダンスｌ’Ｌｏｖｔμ、ｎｏ
ｖｔ ＝ −””−丘、＝−（２）１、− Ｉ。From It, Vt, Is, and Vs obtained above, the output impedance of the battery 15 l'Lovtμ, no
vt = −””−hill, =−(2)1, − I.
でめられる。（Ｆ−１０）
このようにしてめられた入力インピーダンスＲ＋ｎ及び
出力インビーダ７ ｘ Ｒｏｖｔから（Ｆ−１１）で予
めメモリ１３内に登録されているデータテーブル金検索
し、Ｒ＋ｎ ＊ ＲｏｖｔＯ値に対応した残容量残寿命
の値上テーブルルックアップし、バッテリ１５の残容量
、残寿命をめ、（Ｆ−１２）で残容量、残寿命を表示器
２３に例えはバ グラフ等の手法を用いて表示する。I can be fooled. (F-10) From the input impedance R+n and output impedance 7 x Rovt determined in this way, the data table registered in advance in the memory 13 is searched (F-11), and the value corresponding to R+n * RovtO is searched. Look up the remaining capacity and remaining life value in the table, determine the remaining capacity and remaining life of the battery 15, and use (F-12) to display the remaining capacity and remaining life on the display 23 using a method such as a bar graph. do.
く発明の効果〉
以上説明してきたように、この発明によれば、バッテリ
の入力インピーダンスと出力インピーダンスとから、バ
ッテリの残容量、残寿命金求める構成としたため、正確
なバッテリの残容量が得られるとともに、バッテリの残
寿命をも得られ、バッテリの充電、交換等バッテリの保
守が適切に行なう事ができるという効果が得られる。Effects of the Invention> As explained above, according to the present invention, since the remaining capacity and remaining life of the battery are determined from the input impedance and output impedance of the battery, accurate remaining capacity of the battery can be obtained. At the same time, the remaining life of the battery can be obtained, and battery maintenance such as battery charging and replacement can be performed appropriately.
第１図は、本発明の全体構＆ ’ｅ ８Ａ示するブロッ
ク図、
第２図に、入力インピーダンスと、残容量、残寿命の関
係を示す図、
第３図は、出力インピーダンスと、残容量、残寿命の関
係を示す図、
第４図は、本発明の実施例を示す回路図、第５図は、第
４図中のマイクロコンピュータ１１内での処理全表わす
フローチャートである。、５・・入力インピーダンス検
知手段
６・・・出力インピーダンス検知手段
Ｔ・・・演算手段
１５・・・バッテリ
１６・・・電流検知器
１γ・・・負荷器
１８・・・充電機
特ｔ１ど、歴人 ０本色動卑殊へ公１Ｌイ〜理人 弁理
１ ２弓 幹 示、７人１第１図
ダし６量（’１０）
第３図
第４図Fig. 1 is a block diagram showing the overall structure of the present invention. Fig. 2 is a diagram showing the relationship between input impedance, remaining capacity, and remaining life. Fig. 3 is a diagram showing the relationship between input impedance, remaining capacity, and remaining life. Fig. 3 shows the output impedance and remaining capacity. FIG. 4 is a circuit diagram showing an embodiment of the present invention, and FIG. 5 is a flowchart showing all the processing within the microcomputer 11 in FIG. , 5...Input impedance detection means 6...Output impedance detection means T...Calculating means 15...Battery 16...Current detector 1γ...Loader 18...Charger special t1, etc. Rekito 0 books 1L to 1L to Rito 1 2 Yuki Miki, 7 people 1 Figure 1 Dashi 6 amount ('10) Figure 3 Figure 4
Claims (1)
定の演′１１．ｔ−行ない該バッテリの入力インピーダ
ンスを検知する入力インピーダンス検知手段と該バッテ
リの放電時ＶＣおける流出電流と痛子電圧から所定の演
算を行ない、該バッテリの出力インピーダンスを検知す
る出力インピーダンス検知手段と、前記入力インピーダ
ンスと、前記出力インピーダンスとの両方から、前記バ
ッテリの残容量′に得るとともに残寿命をも得る演算手
段とからなるバッテリ状態検知装置。A predetermined equation is calculated from the inflow current during battery charging and the terminal voltage. an input impedance detection means for detecting the input impedance of the battery; and an output impedance detection means for detecting the output impedance of the battery by performing a predetermined calculation from the outflow current in VC and the Itako voltage during discharge of the battery; A battery state detection device comprising calculation means for obtaining the remaining capacity of the battery and the remaining life from both the input impedance and the output impedance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59082353A JPS60225078A (en) | 1984-04-24 | 1984-04-24 | Battery state detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59082353A JPS60225078A (en) | 1984-04-24 | 1984-04-24 | Battery state detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60225078A true JPS60225078A (en) | 1985-11-09 |
Family
ID=13772206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59082353A Pending JPS60225078A (en) | 1984-04-24 | 1984-04-24 | Battery state detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60225078A (en) |
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| JPS5342327A (en) * | 1976-09-29 | 1978-04-17 | Seiko Instr & Electronics | Circuit for detecting battery life |
| JPS53127646A (en) * | 1977-04-01 | 1978-11-08 | Toyota Motor Co Ltd | Battery condition monitor |
| JPS56117176A (en) * | 1980-02-20 | 1981-09-14 | Automob Antipollut & Saf Res Center | Battery diagnosis method |
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