JPS58150192U - Alarm power supply reverse connection prevention circuit - Google Patents

Alarm power supply reverse connection prevention circuit

Info

Publication number
JPS58150192U
JPS58150192U JP4402182U JP4402182U JPS58150192U JP S58150192 U JPS58150192 U JP S58150192U JP 4402182 U JP4402182 U JP 4402182U JP 4402182 U JP4402182 U JP 4402182U JP S58150192 U JPS58150192 U JP S58150192U
Authority
JP
Japan
Prior art keywords
power supply
prevention circuit
reverse connection
connection prevention
alarm power
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
Application number
JP4402182U
Other languages
Japanese (ja)
Other versions
JPH0138711Y2 (en
Inventor
孝雄 藤沢
田中　征一
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 JP4402182U priority Critical patent/JPS58150192U/en
Publication of JPS58150192U publication Critical patent/JPS58150192U/en
Application granted granted Critical
Publication of JPH0138711Y2 publication Critical patent/JPH0138711Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (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 the drawing]

第１図は従来の警報器の電源逆接続防止回路、第一２図
は本考案の警報器の電源逆接続防止回路の１実施例、第
３図は尿考案の他の実施例を示す要部回路をそれぞれ示
す図である。 １・・・センサ、３・・・スイッチング回路、ＢＺ・・
・音響発生部、Ｄ１〜Ｄ４・・・ダイオード、Ｅ・・・
電源。Fig. 1 shows a conventional alarm reverse power connection prevention circuit, Fig. 12 shows an embodiment of the alarm reverse power connection prevention circuit of the present invention, and Fig. 3 shows another embodiment of the urine device. FIG. 3 is a diagram showing respective circuits. 1...Sensor, 3...Switching circuit, BZ...
・Sound generating section, D1 to D4...Diode, E...
power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スイッチング回路と直列に接続されて電池電源に接続さ
れ、火災、ガス漏れ、盗難等の異常を検出したとき鳴動
する音響発生器を具備し、電池を交換自在とした警報器
において、上記音響発生器の両端と電源端子間にそれぞ
れ電源端子の極性と逆方向のダイオードＤ２．Ｄ３を設
け、かつ電源逆接続時、上記端子間の短絡を防止するダ
イオードＤ□が電源端子の一方と音響発生器の一端との
間に接続したことを特徴とする警報器の電源逆接続防止
回路。In an alarm device that is connected in series with a switching circuit and connected to a battery power source and that sounds when an abnormality such as fire, gas leakage, theft, etc. is detected, and has a replaceable battery, the above-mentioned sound generator A diode D2. with the polarity opposite to that of the power supply terminal is connected between both ends of the power supply terminal and the power supply terminal. Prevention of reverse power connection of an alarm device, characterized in that a diode D□ is provided between one of the power supply terminals and one end of the sound generator to prevent a short circuit between the terminals when the power supply is reversely connected. circuit.
JP4402182U 1982-03-30 1982-03-30 Alarm power supply reverse connection prevention circuit Granted JPS58150192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4402182U JPS58150192U (en) 1982-03-30 1982-03-30 Alarm power supply reverse connection prevention circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4402182U JPS58150192U (en) 1982-03-30 1982-03-30 Alarm power supply reverse connection prevention circuit

Publications (2)

Publication Number Publication Date
JPS58150192U true JPS58150192U (en) 1983-10-07
JPH0138711Y2 JPH0138711Y2 (en) 1989-11-20

Family

ID=30055089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4402182U Granted JPS58150192U (en) 1982-03-30 1982-03-30 Alarm power supply reverse connection prevention circuit

Country Status (1)

Country Link
JP (1) JPS58150192U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1023740A (en) * 1996-07-02 1998-01-23 Toshiba Corp Power conversion device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1023740A (en) * 1996-07-02 1998-01-23 Toshiba Corp Power conversion device

Also Published As

Publication number Publication date
JPH0138711Y2 (en) 1989-11-20

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