JPH04275035A - Method of charging battery on vehicle - Google Patents
Method of charging battery on vehicleInfo
- Publication number
- JPH04275035A JPH04275035A JP3115191A JP3115191A JPH04275035A JP H04275035 A JPH04275035 A JP H04275035A JP 3115191 A JP3115191 A JP 3115191A JP 3115191 A JP3115191 A JP 3115191A JP H04275035 A JPH04275035 A JP H04275035A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- battery
- regulator
- average value
- battery voltage
- 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
- 238000000034 method Methods 0.000 title claims description 7
- 238000010248 power generation Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Control Of Charge By Means Of Generators (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、車両搭載バッテリ充電
法の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved method of charging a vehicle-mounted battery.
【０００２】0002
【従来の技術】従来、オルタネータ回転時に発生するバ
ッテリ電圧の変動の下限値を判定してレギュレータ調整
電圧を制御するバッテリ充電法があった。2. Description of the Related Art Conventionally, there has been a battery charging method that controls a regulator regulated voltage by determining the lower limit of battery voltage fluctuations that occur when an alternator rotates.
【０００３】0003
【発明が解決しようとする課題】しかしながら、上記従
来の充電法では、バッテリ電圧が判定レベルに達した時
にもとのレギュレータ調整電圧に制御するというプログ
ラムを考えた場合、その判定レベルとレギュレータ調整
電圧が等しいとバッテリ電圧の変動の下限がその判定レ
ベルよりも上回らずレギュレータ調整電圧が制御されな
いため判定レベルをレギュレータ調整電圧より下げた形
でずらさなければならず、バッテリが十分に充電されな
いという問題点があった。[Problems to be Solved by the Invention] However, in the above-mentioned conventional charging method, when considering a program that controls the battery voltage to the original regulator adjustment voltage when it reaches a determination level, the determination level and the regulator adjustment voltage are If they are equal, the lower limit of battery voltage fluctuation will not exceed the determination level and the regulator regulation voltage will not be controlled, so the determination level must be shifted to be lower than the regulator regulation voltage, which causes the problem that the battery will not be sufficiently charged. was there.
【０００４】本発明は、以上の点にかんがみてなされた
もので、バッテリ電圧判定レベルとレギュレータ調整電
圧をずらすことなくレギュレータ調整電圧を制御するこ
とを目的とする。The present invention has been made in view of the above points, and it is an object of the present invention to control a regulator regulated voltage without shifting the battery voltage determination level and the regulator regulated voltage.
【０００５】[0005]
【課題を解決するための手段】本発明はバッテリ電圧判
定レベルとレギュレータ調整電圧を等しくした状態で、
オルタネータ回転時に場合によっては不規則に変動する
バッテリ電圧の平均値を検出することによってレギュレ
ータ調整電圧を制御できるようにすることを特徴とする
ものである。[Means for Solving the Problems] The present invention provides the following advantages: when the battery voltage judgment level and the regulator adjustment voltage are made equal,
The present invention is characterized in that the regulator regulated voltage can be controlled by detecting the average value of the battery voltage, which fluctuates irregularly depending on the case when the alternator rotates.
【０００６】[0006]
【作用】バッテリ電圧の平均値を検知することによって
、バッテリ電圧判定レベルとレギュレータ調整電圧のズ
レが生じない。[Operation] By detecting the average value of the battery voltage, no deviation occurs between the battery voltage judgment level and the regulator adjustment voltage.
【０００７】[0007]
【実施例】本発明の一実施例を説明する。図１は電圧逐
次補正方式の概念図であり、バッテリが車両負荷などで
放電状態になった時（ここでは１２．５Ｖ以下とする）
に、レギュレータ調整電圧を一時的に０．５Ｖアップさ
せ、バッテリ電圧がその０．５Ｖアップした調整電圧に
達した時にもとの調整電圧に戻る、というプログラムを
示している。このプログラムにおいて、バッテリ電圧が
判定レベルに到達する時の状態（図１における破線円部
分の拡大図）を図２に示してある。オルタネータ回転時
のバッテリ電圧には図２に示したようにリップルが生じ
、従来法のリップルの下限値ではなくその平均値を検知
してレギュレータ調整電圧を制御するものである。[Example] An example of the present invention will be described. Figure 1 is a conceptual diagram of the voltage sequential correction method, when the battery is in a discharge state due to vehicle load etc. (here, it is assumed to be 12.5V or less)
2 shows a program that temporarily increases the regulator adjustment voltage by 0.5V and returns to the original adjustment voltage when the battery voltage reaches the 0.5V increased adjustment voltage. In this program, the state when the battery voltage reaches the determination level (an enlarged view of the broken line circle in FIG. 1) is shown in FIG. As shown in FIG. 2, ripples occur in the battery voltage when the alternator rotates, and the regulator adjustment voltage is controlled by detecting the average value of the ripples, rather than the lower limit value of the conventional method.
【０００８】[0008]
【発明の効果】上述したように、本発明によれば、バッ
テリ電圧判定レベルとレギュレータ調整電圧をずらすこ
となく、等しい電圧でレギュレータ調整電圧の制御をす
ることができ、従って従来のようにバッテリが充電不足
となるようなことが防止されるという効果がある。As described above, according to the present invention, the regulator adjustment voltage can be controlled at the same voltage without shifting the battery voltage judgment level and the regulator adjustment voltage, so that the battery voltage can be controlled at the same voltage as before. This has the effect of preventing insufficient charging.
【図１】本発明の一実施例を示す充電法の説明図である
。FIG. 1 is an explanatory diagram of a charging method showing an embodiment of the present invention.
【図２】図１におけるバッテリ電圧が判定レベルに到達
する時の状態説明図である。FIG. 2 is an explanatory diagram of a state when the battery voltage in FIG. 1 reaches a determination level.
Claims (1)
圧の変動の平均値を検出し、該平均値が判定レベルに達
したときにレギュレータ調整電圧を制御することを特徴
とする車両搭載バッテリ充電法。1. A method for charging a battery mounted on a vehicle, comprising: detecting an average value of fluctuations in battery voltage that occurs during power generation by an alternator; and controlling a regulator adjustment voltage when the average value reaches a determination level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3115191A JPH04275035A (en) | 1991-02-27 | 1991-02-27 | Method of charging battery on vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3115191A JPH04275035A (en) | 1991-02-27 | 1991-02-27 | Method of charging battery on vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04275035A true JPH04275035A (en) | 1992-09-30 |
Family
ID=12323440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3115191A Pending JPH04275035A (en) | 1991-02-27 | 1991-02-27 | Method of charging battery on vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04275035A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5966001A (en) * | 1996-04-23 | 1999-10-12 | Denso Corporation | Voltage regulating system for vehicle including alternator |
-
1991
- 1991-02-27 JP JP3115191A patent/JPH04275035A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5966001A (en) * | 1996-04-23 | 1999-10-12 | Denso Corporation | Voltage regulating system for vehicle including alternator |
| CN1075269C (en) * | 1996-04-23 | 2001-11-21 | 株式会社电装 | Voltage regulator for vehicles having ac generator |
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