JPH0360843U - - Google Patents
Info
- Publication number
- JPH0360843U JPH0360843U JP11804589U JP11804589U JPH0360843U JP H0360843 U JPH0360843 U JP H0360843U JP 11804589 U JP11804589 U JP 11804589U JP 11804589 U JP11804589 U JP 11804589U JP H0360843 U JPH0360843 U JP H0360843U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- voltage
- circuit
- resistor
- diode
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stroboscope Apparatuses (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Description
第１図は本考案による充電制御回路の一実施例
を示す回路図である。第２図は従来の充電制御回
路の一例を示す回路図である。
２０…充電制御回路、２１…電源、２２…ＤＣ
−ＤＣコンバータ、２３…電解コンデンサ、２４
…放電管、２５…抵抗、２６…コンデンサ、２７
…制御用電源回路、２８…定電圧ダイオード、２
９…充電完了信号出力端子、３０…スイツチング
トランジスタ、３１…定電圧ダイオード。
FIG. 1 is a circuit diagram showing an embodiment of a charging control circuit according to the present invention. FIG. 2 is a circuit diagram showing an example of a conventional charging control circuit. 20... Charging control circuit, 21... Power supply, 22... DC
-DC converter, 23...electrolytic capacitor, 24
...Discharge tube, 25...Resistor, 26...Capacitor, 27
... Control power supply circuit, 28... Constant voltage diode, 2
9... Charge completion signal output terminal, 30... Switching transistor, 31... Constant voltage diode.
Claims (1)
電解コンデンサと放電管とを含んでおり、さらに
該直流電源から定電圧ダイオードを介して一定電
圧が印加される制御用電源回路と、充電完了出力
端子とアースとの間に挿入され且つ上記電解コン
デンサが所定電圧以上になつたときオンされる充
電検出用のスイツチングトランジスタとを有して
いる充電制御回路において、 上記直流電源に対して並列に、且つ互いに直列
に接続された抵抗と定電圧ダイオードの直列回路
及びコンデンサが備えられていて、該抵抗と定電
圧ダイオードの直列回路及びコンデンサの間に他
の定電圧ダイオードを介して上記スイツチングト
ランジスタのベースが接続されていると共に、該
抵抗と定電圧ダイオードの直列回路とコンデンサ
の間の電圧が制御用電源回路に印加されるように
なつていることを特徴とする、充電制御回路。[Claims for Utility Model Registration] A control device that includes an electrolytic capacitor and a discharge tube that are each connected in parallel to a DC power source, and further receives a constant voltage from the DC power source via a constant voltage diode. A charging control circuit comprising a power supply circuit and a charging detection switching transistor inserted between a charging completion output terminal and ground and turned on when the electrolytic capacitor reaches a predetermined voltage or higher, A series circuit of a resistor and a voltage regulator diode and a capacitor are connected in parallel to the DC power source and in series with each other, and another voltage regulator diode is connected between the series circuit of the resistor and the regulator diode and the capacitor. The base of the switching transistor is connected through the switching transistor, and the voltage between the series circuit of the resistor and the constant voltage diode and the capacitor is applied to the control power supply circuit. , charging control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11804589U JPH062440Y2 (en) | 1989-10-07 | 1989-10-07 | Charge control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11804589U JPH062440Y2 (en) | 1989-10-07 | 1989-10-07 | Charge control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0360843U true JPH0360843U (en) | 1991-06-14 |
| JPH062440Y2 JPH062440Y2 (en) | 1994-01-19 |
Family
ID=31666230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11804589U Expired - Lifetime JPH062440Y2 (en) | 1989-10-07 | 1989-10-07 | Charge control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062440Y2 (en) |
-
1989
- 1989-10-07 JP JP11804589U patent/JPH062440Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062440Y2 (en) | 1994-01-19 |
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