JPH0221579U - - Google Patents
Info
- Publication number
- JPH0221579U JPH0221579U JP10141388U JP10141388U JPH0221579U JP H0221579 U JPH0221579 U JP H0221579U JP 10141388 U JP10141388 U JP 10141388U JP 10141388 U JP10141388 U JP 10141388U JP H0221579 U JPH0221579 U JP H0221579U
- Authority
- JP
- Japan
- Prior art keywords
- value
- voltage
- low battery
- detecting
- differential value
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例に係るローバツテリ
検知装置の構成を示すブロツク図、第２図は本実
施例のローバツテリ検知装置の動作を示すフロー
チヤート、第３図は電池の放電特性等を示すグラ
フである。
１……電池、２……抵抗、３……Ａ／Ｄコンバ
ータ、４……マイクロコンピユータ、５……表示
器。
Fig. 1 is a block diagram showing the configuration of a low battery detection device according to an embodiment of the present invention, Fig. 2 is a flowchart showing the operation of the low battery detection device of this embodiment, and Fig. 3 shows the discharge characteristics of the battery, etc. This is a graph showing. 1...Battery, 2...Resistor, 3...A/D converter, 4...Microcomputer, 5...Display device.
Claims (1)
算出手段と、 前記電圧微分値と所定の値を比較して前記電源
のローバツテリを検知する検知手段とを具備する
ことを特徴とするローバツテリ検知装置。[Scope of Utility Model Registration Claims] Voltage value detection means for detecting a voltage value of a power supply; Voltage differential value calculation means for calculating a time differential value of the voltage value; Comparing the voltage differential value with a predetermined value. A low battery detection device comprising a detection means for detecting low battery of the power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988101413U JPH07953Y2 (en) | 1988-07-28 | 1988-07-28 | Low battery detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988101413U JPH07953Y2 (en) | 1988-07-28 | 1988-07-28 | Low battery detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0221579U true JPH0221579U (en) | 1990-02-13 |
| JPH07953Y2 JPH07953Y2 (en) | 1995-01-11 |
Family
ID=31330382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988101413U Expired - Lifetime JPH07953Y2 (en) | 1988-07-28 | 1988-07-28 | Low battery detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07953Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627207A (en) * | 1992-02-03 | 1994-02-04 | American Teleph & Telegr Co <Att> | Method of monitoring state of discharge of battery |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54129429A (en) * | 1978-03-31 | 1979-10-06 | Matsushita Electric Works Ltd | Residual capacity warning indicator for storage battery |
-
1988
- 1988-07-28 JP JP1988101413U patent/JPH07953Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54129429A (en) * | 1978-03-31 | 1979-10-06 | Matsushita Electric Works Ltd | Residual capacity warning indicator for storage battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627207A (en) * | 1992-02-03 | 1994-02-04 | American Teleph & Telegr Co <Att> | Method of monitoring state of discharge of battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07953Y2 (en) | 1995-01-11 |