JPH0386741U - - Google Patents
Info
- Publication number
- JPH0386741U JPH0386741U JP14615489U JP14615489U JPH0386741U JP H0386741 U JPH0386741 U JP H0386741U JP 14615489 U JP14615489 U JP 14615489U JP 14615489 U JP14615489 U JP 14615489U JP H0386741 U JPH0386741 U JP H0386741U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- changeover switch
- switching element
- circuit section
- commercial
- 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 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Description
第１図は本考案の一実施例のブロツク構成図、
第２図は従来機器のブロツク構成図である。
ＤＢ……整流回路部、ＳＷ１……交直切換スイ
ツチ、ＡＣ……交流接点、ＤＣ直流接点、ＢＶ…
…電圧検出回路部、Ｑ……スイツチングトランジ
スタ（スイツチング素子）、Ｄ……インジケータ
、Ｂａ……電池、ＲＣ……定電圧回路部（電源部
）。
FIG. 1 is a block diagram of an embodiment of the present invention.
FIG. 2 is a block diagram of a conventional device. DB... Rectifier circuit section, SW1... AC/DC changeover switch, AC... AC contact, DC direct current contact, BV...
... Voltage detection circuit section, Q... Switching transistor (switching element), D... Indicator, Ba... Battery, RC... Constant voltage circuit section (power supply section).
Claims (1)
点と前記電池が接続された直流接点に自動的に切
り替わる交直切換スイツチと、この交直切換スイ
ツチの共通端子と商用交流の整流回路部とに共通
接続され、該交直切換スイツチを通じ印加される
電池電圧または前記整流回路部の出力整流電圧が
所定値以上である時に検出信号を出力する電圧検
出回路部と、前記検出信号によりオン状態となる
スイツチング素子と、このスイツチング素子と電
源部との間に接続された電源オンと電池の非消耗
との両表示に兼用する単一のインジケータとを備
えてなる交直両用電気機器において、前記交直切
換スイツチの交流接点と前記スイツチング素子と
を接続して前記電圧検出回路部のバイパス回路を
設けたことを特徴とする交直両用電気機器。 An AC/DC changeover switch that automatically switches between an AC contact and a DC contact connected to the battery in conjunction with switching between commercial AC and the battery, and a common connection between the common terminal of this AC/DC changeover switch and the commercial AC rectifier circuit. a voltage detection circuit section that outputs a detection signal when the battery voltage applied through the AC/DC changeover switch or the output rectified voltage of the rectification circuit section is equal to or higher than a predetermined value; and a switching element that is turned on by the detection signal. , an AC/DC dual-purpose electric device comprising a single indicator connected between the switching element and the power supply unit and serving both to indicate whether the power is on or whether the battery is not depleted; and the switching element are connected to provide a bypass circuit for the voltage detection circuit section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14615489U JPH0386741U (en) | 1989-12-18 | 1989-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14615489U JPH0386741U (en) | 1989-12-18 | 1989-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0386741U true JPH0386741U (en) | 1991-09-03 |
Family
ID=31692758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14615489U Pending JPH0386741U (en) | 1989-12-18 | 1989-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0386741U (en) |
-
1989
- 1989-12-18 JP JP14615489U patent/JPH0386741U/ja active Pending
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