JPS6033660U - Low voltage alarm - Google Patents
Low voltage alarmInfo
- Publication number
- JPS6033660U JPS6033660U JP12593983U JP12593983U JPS6033660U JP S6033660 U JPS6033660 U JP S6033660U JP 12593983 U JP12593983 U JP 12593983U JP 12593983 U JP12593983 U JP 12593983U JP S6033660 U JPS6033660 U JP S6033660U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- voltage
- low voltage
- power source
- voltage alarm
- 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
Landscapes
- Measurement Of Current Or Voltage (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
図面は本考案の実施例を示すもので、第1図は第1の実
施例を、第2図は第2の実施例、第3図は第3の実施例
を、また第4図は第4の実施例をそれぞれ示す電気回路
図である。
1・・・・・・電源、2〜13・・・・・・抵抗、14
〜16・・・・・・LED、17〜23・・川・トラン
ジスタ、24〜26・・・・・・コンデンサ、27・・
・・・・ダイオード、28・・・・・・圧電ブザー。The drawings show embodiments of the present invention; FIG. 1 shows the first embodiment, FIG. 2 shows the second embodiment, FIG. 3 shows the third embodiment, and FIG. 4 shows the third embodiment. FIG. 4 is an electrical circuit diagram showing each of the fourth embodiments. 1...Power supply, 2-13...Resistance, 14
~16...LED, 17-23...River transistor, 24-26...Capacitor, 27...
...Diode, 28...Piezoelectric buzzer.
Claims (1)
抵抗をバイアス抵抗としコレクタを第2の抵抗を介し前
記電源の正極に接続されると共にエミッタを負極に接続
されるトランジスタよりなり、しかも前記第1の抵抗及
び第2の抵抗は前記電源の電圧が一定基準以上にあると
きは前記トランジスタをオン状態とし、また一定基準以
下になった時はオフするように設定した減電圧判別回路
と、LED及び/又はブザーの駆動回路とによりなり、
前記電源が一定電圧以下になった時前記駆動回路を駆動
する様にしたことを特徴とする減電圧アラーム。It consists of a first resistor connected in parallel with a DC power supply, and a transistor whose collector is connected to the positive pole of the power supply via a second resistor and whose emitter is connected to the negative pole, using the first resistor as a bias resistor. In addition, the first resistor and the second resistor are set to turn on the transistor when the voltage of the power source is above a certain standard, and turn off when the voltage of the power source is below a certain standard. It consists of a circuit and a driving circuit for an LED and/or a buzzer,
A low voltage alarm, characterized in that the drive circuit is driven when the power source becomes lower than a certain voltage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12593983U JPS6033660U (en) | 1983-08-12 | 1983-08-12 | Low voltage alarm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12593983U JPS6033660U (en) | 1983-08-12 | 1983-08-12 | Low voltage alarm |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6033660U true JPS6033660U (en) | 1985-03-07 |
Family
ID=30286545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12593983U Pending JPS6033660U (en) | 1983-08-12 | 1983-08-12 | Low voltage alarm |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6033660U (en) |
-
1983
- 1983-08-12 JP JP12593983U patent/JPS6033660U/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6033660U (en) | Low voltage alarm | |
JPS6132750U (en) | Power outage compensation circuit for control equipment | |
JPS615033U (en) | Field effect transistor drive device | |
JPS58689U (en) | motor drive circuit | |
JPS59127340U (en) | drive device | |
JPS58106962U (en) | Laser diode drive circuit | |
JPS58146965U (en) | Battery monitor device | |
JPS5897593U (en) | Drive circuit for piezoelectric buzzer for electronic wristwatch | |
JPS6027537U (en) | transistor drive circuit | |
JPS6110041U (en) | Load drive circuit with short protection | |
JPS5937690U (en) | Display element drive circuit | |
JPS60186719U (en) | ripple filter | |
JPS593561U (en) | Light emitting diode drive circuit | |
JPS5866898U (en) | Step motor operation display circuit | |
JPS6049606U (en) | high speed drive circuit | |
JPS59132245U (en) | Transistor base drive circuit | |
JPS5970284U (en) | light emitting diode display device | |
JPS6022027U (en) | reset circuit | |
JPS60129844U (en) | power supply voltage display device | |
JPS59191892U (en) | Low voltage DC motor drive circuit | |
JPS6049585U (en) | Magnetic reversal display drive circuit | |
JPS5883818U (en) | Class A amplifier operating status display circuit | |
JPS6073327U (en) | Power cutoff circuit | |
JPS61697U (en) | Low voltage alarm | |
JPS6071995U (en) | display circuit |