JPH0275950U - - Google Patents
Info
- Publication number
- JPH0275950U JPH0275950U JP15242888U JP15242888U JPH0275950U JP H0275950 U JPH0275950 U JP H0275950U JP 15242888 U JP15242888 U JP 15242888U JP 15242888 U JP15242888 U JP 15242888U JP H0275950 U JPH0275950 U JP H0275950U
- Authority
- JP
- Japan
- Prior art keywords
- current
- charging
- circuit
- secondary battery
- ambient temperature
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 229910005580 NiCd Inorganic materials 0.000 description 1
Description
第1図は本考案の第1実施例の機能ブロツク図
、第2図はその一具体例を示す回路図、第3図は
本考案の第2実施例の機能ブロツク図、第4図は
その一具体例を示す回路図、第5図はNiCd電
池の充電特性を示す図、第6図は従来の充電回路
の一例を示す回路図である。
30,50……充電器、40,60……電池装
着部、32,52……スイツチ、33,53……
定電流回路、34,54……電圧検知回路、35
……サーミスタ異常検知回路、55……電流検知
回路。
Fig. 1 is a functional block diagram of the first embodiment of the present invention, Fig. 2 is a circuit diagram showing a specific example thereof, Fig. 3 is a functional block diagram of the second embodiment of the present invention, and Fig. 4 is its functional block diagram. FIG. 5 is a circuit diagram showing a specific example, FIG. 5 is a diagram showing charging characteristics of a NiCd battery, and FIG. 6 is a circuit diagram showing an example of a conventional charging circuit. 30,50...Charger, 40,60...Battery mounting part, 32,52...Switch, 33,53...
Constant current circuit, 34, 54... Voltage detection circuit, 35
...Thermistor abnormality detection circuit, 55...Current detection circuit.
Claims (1)
に供給してこれを充電するようにした充電回路に
おいて、該二次電池の周囲温度を検知する周囲温
度検知手段と、該周囲温度検知手段の異常を検知
する手段とを設け、該周囲温度検知手段が異常を
検知した時に、前記二次電池の充電を停止または
低減させるようにしたことを特徴とする充電回路
。 (2) 定電流回路から出力された電流を二次電池
に供給してこれを充電するようにした充電回路に
おいて、充電電流を検知してこれが基準電流以上
か否かを判定する手段と、基準電流以上と判定さ
れた時に、一定期間該充電を停止する手段とを設
けたことを特徴とする充電回路。[Scope of Claim for Utility Model Registration] (1) In a charging circuit that supplies current output from a constant current circuit to a secondary battery to charge it, the ambient temperature at which the ambient temperature of the secondary battery is detected. A detection means and a means for detecting an abnormality in the ambient temperature detection means are provided, and when the ambient temperature detection means detects an abnormality, charging of the secondary battery is stopped or reduced. charging circuit. (2) In a charging circuit that supplies current output from a constant current circuit to a secondary battery to charge it, a means for detecting a charging current and determining whether or not this is equal to or higher than a reference current; A charging circuit comprising means for stopping the charging for a certain period of time when it is determined that the current is greater than or equal to the current.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15242888U JPH0275950U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15242888U JPH0275950U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0275950U true JPH0275950U (en) | 1990-06-11 |
Family
ID=31427345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15242888U Pending JPH0275950U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0275950U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08280140A (en) * | 1995-04-06 | 1996-10-22 | Shindengen Electric Mfg Co Ltd | Control circuit for charging voltage of storage battery |
JP4717870B2 (en) * | 2007-11-05 | 2011-07-06 | 富士通テレコムネットワークス株式会社 | Battery charger |
-
1988
- 1988-11-25 JP JP15242888U patent/JPH0275950U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08280140A (en) * | 1995-04-06 | 1996-10-22 | Shindengen Electric Mfg Co Ltd | Control circuit for charging voltage of storage battery |
JP4717870B2 (en) * | 2007-11-05 | 2011-07-06 | 富士通テレコムネットワークス株式会社 | Battery charger |
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