JPS63146777U - - Google Patents
Info
- Publication number
- JPS63146777U JPS63146777U JP3927387U JP3927387U JPS63146777U JP S63146777 U JPS63146777 U JP S63146777U JP 3927387 U JP3927387 U JP 3927387U JP 3927387 U JP3927387 U JP 3927387U JP S63146777 U JPS63146777 U JP S63146777U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- circuit
- voltage
- load
- alternating current
- 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
- 238000005259 measurement Methods 0.000 claims 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は電池の放電電流の大小の違いによる端子
電圧と残存容量の関係を示す図、第３図は電池の
内部インピーダンスと残存容量の関係を示す図で
ある。
１…発振器、２…電池、３…直流阻止コンデン
サ、４…コイル、５…交流電流計、６…交流電圧
計、７…Ａ／Ｄコンバータ、８…デイジタル・フ
イルタ、９…演算器。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a diagram showing the relationship between the terminal voltage and remaining capacity depending on the magnitude of the discharge current of the battery, and FIG. 3 is a diagram showing the relationship between the internal impedance of the battery and the remaining capacity. DESCRIPTION OF SYMBOLS 1... Oscillator, 2... Battery, 3... DC blocking capacitor, 4... Coil, 5... AC ammeter, 6... AC voltmeter, 7... A/D converter, 8... Digital filter, 9... Arithmetic unit.
Claims (1)
圧を印加する発振回路と、前記電池に流れる交流
電流を測定する交流電流測定回路と、前記電池の
交流電圧を測定する交流電圧測定回路と、前記交
流電流測定回路と前記交流電圧測定回路とで測定
された測定値をもとに前記電池の内部インピーダ
ンスの変化量を算出する演算回路とを具備するこ
とを特徴とする電池の残存容量警報装置。 (2) 測定誤差を少なくするために前記電池と前
記負荷の間に接続されるコイルまたは抵抗を具備
することを特徴とする電池の残存容量警報装置。[Claims for Utility Model Registration] (1) An oscillation circuit that applies a voltage of any frequency to a battery connected to a load, an AC current measurement circuit that measures an AC current flowing through the battery, and an AC voltage of the battery. and an arithmetic circuit that calculates the amount of change in internal impedance of the battery based on the measured values measured by the alternating current measuring circuit and the alternating current voltage measuring circuit. Features: Remaining battery capacity warning device. (2) A remaining capacity alarm device for a battery, comprising a coil or a resistor connected between the battery and the load in order to reduce measurement errors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3927387U JPS63146777U (en) | 1987-03-19 | 1987-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3927387U JPS63146777U (en) | 1987-03-19 | 1987-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63146777U true JPS63146777U (en) | 1988-09-28 |
Family
ID=30852284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3927387U Pending JPS63146777U (en) | 1987-03-19 | 1987-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63146777U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58139080A (en) * | 1982-02-13 | 1983-08-18 | Nissan Motor Co Ltd | Residual capacity meter for battery |
| JPS60140163A (en) * | 1983-12-28 | 1985-07-25 | Nissan Motor Co Ltd | Abnormality forecasting apparatus for battery |
-
1987
- 1987-03-19 JP JP3927387U patent/JPS63146777U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58139080A (en) * | 1982-02-13 | 1983-08-18 | Nissan Motor Co Ltd | Residual capacity meter for battery |
| JPS60140163A (en) * | 1983-12-28 | 1985-07-25 | Nissan Motor Co Ltd | Abnormality forecasting apparatus for battery |
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