JPS59111438U - Spare battery abnormality detection circuit - Google Patents

Spare battery abnormality detection circuit

Info

Publication number
JPS59111438U
JPS59111438U JP487983U JP487983U JPS59111438U JP S59111438 U JPS59111438 U JP S59111438U JP 487983 U JP487983 U JP 487983U JP 487983 U JP487983 U JP 487983U JP S59111438 U JPS59111438 U JP S59111438U
Authority
JP
Japan
Prior art keywords
spare battery
abnormality detection
detection circuit
battery abnormality
charging 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
Application number
JP487983U
Other languages
Japanese (ja)
Inventor
篠原　善徳
上田　保
朗 佐藤
Original Assignee
ニツタン株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ニツタン株式会社 filed Critical ニツタン株式会社
Priority to JP487983U priority Critical patent/JPS59111438U/en
Publication of JPS59111438U publication Critical patent/JPS59111438U/en
Pending legal-status Critical Current

Links

Classifications

    • Y02E60/12—

Landscapes

  • Stand-By Power Supply Arrangements (AREA)
  • Secondary Cells (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図は本考案の一実施例を示す回路図である。 図において、１・・・予備電池、２・・・充電電流制限
抵抗、３．　４．　９・・・抵抗、５・・・コンデンサ
、６゜８・・・ツェナーダイオード、７・・・コンパレ
ータ。The figure is a circuit diagram showing an embodiment of the present invention. In the figure, 1... Spare battery, 2... Charging current limiting resistor, 3. 4. 9...Resistor, 5...Capacitor, 6°8...Zener diode, 7...Comparator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 充電電流制置抵抗を介して常時予備電池を充電−し、主
電源の不良時には前記予備電池から負荷に電力を供給す
る予備電池回路！こおいて、前記充電電流制限抵抗の一
端の電圧が一定電圧より高いとき異常検出信号を出力す
るコンパレータを備えたことを特徴とする予備電池異常
検出回路。A spare battery circuit that constantly charges a spare battery through a charging current limiting resistor and supplies power from the spare battery to the load when the main power supply is defective! The spare battery abnormality detection circuit is characterized in that it includes a comparator that outputs an abnormality detection signal when the voltage at one end of the charging current limiting resistor is higher than a certain voltage.
JP487983U 1983-01-19 1983-01-19 Spare battery abnormality detection circuit Pending JPS59111438U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP487983U JPS59111438U (en) 1983-01-19 1983-01-19 Spare battery abnormality detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP487983U JPS59111438U (en) 1983-01-19 1983-01-19 Spare battery abnormality detection circuit

Publications (1)

Publication Number Publication Date
JPS59111438U true JPS59111438U (en) 1984-07-27

Family

ID=30136478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP487983U Pending JPS59111438U (en) 1983-01-19 1983-01-19 Spare battery abnormality detection circuit

Country Status (1)

Country Link
JP (1) JPS59111438U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02269418A (en) * 1989-04-07 1990-11-02 Matsushita Electric Works Ltd Charging apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02269418A (en) * 1989-04-07 1990-11-02 Matsushita Electric Works Ltd Charging apparatus

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