JPH0259543U - - Google Patents
Info
- Publication number
- JPH0259543U JPH0259543U JP13830988U JP13830988U JPH0259543U JP H0259543 U JPH0259543 U JP H0259543U JP 13830988 U JP13830988 U JP 13830988U JP 13830988 U JP13830988 U JP 13830988U JP H0259543 U JPH0259543 U JP H0259543U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- relay
- series
- base
- suppressing means
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Relay Circuits (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は第１図の各部の電流及び電圧の時間的変化
を示すグラフ、第３図は従来の直流リレー駆動回
路を示す回路図である。
図において、１は直流電源、２は直流リレー、
３はトランジスタ、４ａ，４ｂはダイオード、５
，６は抵抗、７はコンデンサ、８はベース回路で
ある。なお、各図中同一符号は同一又は相当部分
を示す。
Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is a graph showing temporal changes in current and voltage in each part of Fig. 1, and Fig. 3 is a circuit diagram showing a conventional DC relay drive circuit. It is. In the figure, 1 is a DC power supply, 2 is a DC relay,
3 is a transistor, 4a, 4b are diodes, 5
, 6 is a resistor, 7 is a capacitor, and 8 is a base circuit. Note that the same reference numerals in each figure indicate the same or equivalent parts.
Claims (1)
が直列に接続されたトランジスタと、 第１の抵抗体と、第２の抵抗体およびコンデン
サの直列体とを並列に接続して成り、その一端に
おいて上記トランジスタのエミツタに直列に接続
された電流抑制手段と、 上記直流リレーと、上記トランジスタと、上記
電流抑制手段との直列体に直流電圧を印加する直
流電源と、 上記トランジスタのベースと上記電流抑制手段
の他端との間に接続され、実質的に定電圧降下を
ともなう少なくとも１つのダイオードと、 上記トランジスタのベースに接続され、上記ト
ランジスタを駆動する信号を出力するベース回路
と を備えた直流リレー駆動回路。[Claims for Utility Model Registration] A DC relay to be driven, a transistor whose collector emitter is connected in series with the DC relay, a first resistor, a second resistor, and a capacitor. a series body connected in parallel, and a current suppressing means connected in series to the emitter of the transistor at one end; and a DC voltage is applied to the series body of the DC relay, the transistor, and the current suppressing means. a direct current power supply to be applied; at least one diode connected between the base of the transistor and the other end of the current suppressing means and having a substantially constant voltage drop; and a diode connected to the base of the transistor to control the transistor. A DC relay drive circuit equipped with a base circuit that outputs a driving signal, and .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13830988U JPH0259543U (en) | 1988-10-24 | 1988-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13830988U JPH0259543U (en) | 1988-10-24 | 1988-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0259543U true JPH0259543U (en) | 1990-05-01 |
Family
ID=31400530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13830988U Pending JPH0259543U (en) | 1988-10-24 | 1988-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0259543U (en) |
-
1988
- 1988-10-24 JP JP13830988U patent/JPH0259543U/ja active Pending