JPS6119814U - Quasi-constant power limiting circuit for constant voltage and constant current power supply equipment - Google Patents
Quasi-constant power limiting circuit for constant voltage and constant current power supply equipmentInfo
- Publication number
- JPS6119814U JPS6119814U JP10317184U JP10317184U JPS6119814U JP S6119814 U JPS6119814 U JP S6119814U JP 10317184 U JP10317184 U JP 10317184U JP 10317184 U JP10317184 U JP 10317184U JP S6119814 U JPS6119814 U JP S6119814U
- Authority
- JP
- Japan
- Prior art keywords
- constant
- circuit
- output
- voltage
- current
- 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
Landscapes
- Control Of Electrical Variables (AREA)
- Continuous-Control Power Sources That Use Transistors (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
第１図は本考案により実現される定電圧定電流電源装置
の出力を示す図、第２図は本考案による定電圧定電流電
源装置の準定電力制限回路の論理構成図、第３図は第２
図を別の論理表現て表わ−す論理構成図、第４図Ｃ↓第
３図の具体的な回路構成図である。
１０・・・・・・第１の制限回路、２０・・・・・・第
２の制限回路、３０・・一・・・第３の制限回路、Ｔｒ
ｌ・・・・・・直列制御トランジスタ、Ａｎｄ１・・・
・・・ＡＮＤ回路、Ｎａｎ ｌ−・〜Ｎａｎ ３−−−
−−−ＮＡＮＤ回路、ＤＩ，Ｄ２，Ｄ３ １〜Ｄ ３
６−−−−−−ダイオード、Ｔｒ３１〜Ｔｒ３゜３！四
佳ランジスタ。Fig. 1 is a diagram showing the output of the constant voltage constant current power supply realized by the present invention, Fig. 2 is a logical configuration diagram of the quasi-constant power limiting circuit of the constant voltage constant current power supply according to the present invention, and Fig. 3 is a diagram showing the output of the constant voltage constant current power supply according to the present invention. Second
FIG. 4C is a logic configuration diagram representing the diagram in another logical representation, and is a specific circuit configuration diagram of FIG. 3. 10...first limiting circuit, 20...second limiting circuit, 30...-third limiting circuit, Tr
l...Series control transistor, And1...
...AND circuit, Nan l-・~Nan 3---
---NAND circuit, DI, D2, D3 1 to D 3
6-------Diode, Tr31~Tr3゜3! Four beautiful lungistas.
Claims (1)
した直列制御トランジスタのベース電流を制御して上記
出力端子を介して負荷へ与える電流及び電圧を制御する
電源装置に於いて、出力電流が予め設定した複数の設定
値に達したことを檜出する複数の電淳検出回路と、出力
電圧が予め設定した複数の設定値に達したことを検出す
る複数の電圧検出回路と、各電流検出回路の検出出力及
び各電圧検出回路の検出出力の予め設定した最大電力の
条件を満たす組合わせの論理積を得る複数の論理積回路
と、各論理稍回路の論理和を得てこの論理和出力により
上記直列制御トランジスタのベース電流を制限して上記
負荷へ与える電力を上，記最大電力以内に制限する論理
和回路と、この論理卸回路の出力に並列に接続した上記
出力電圧を予め設定した最犬電圧で制限する第１の制限
回路と、上記論理和回路の出力に並列に接続した上記出
力電流を予め設定した最大電流で珊限する第２の制限回
路とを具備したことを特徴とする定電圧定電流電源装置
の準定電力制限回路。In a power supply device, the output current is A plurality of electric current detection circuits detect that the output voltage has reached a plurality of preset values, a plurality of voltage detection circuits detect that the output voltage has reached a plurality of preset values, and each current detection circuit detects that the output voltage has reached a plurality of preset values. A plurality of AND circuits that obtain the logical product of combinations that satisfy the preset maximum power condition of the detection output of the circuit and the detection output of each voltage detection circuit, and a logical sum of the logical sum of each logical circuit. an OR circuit that limits the base current of the series control transistor to limit the power given to the load to within the maximum power, and the output voltage connected in parallel to the output of this logic OR circuit, which is preset. The present invention is characterized by comprising a first limiting circuit that limits the output current at a maximum voltage, and a second limiting circuit that limits the output current at a preset maximum current, which is connected in parallel to the output of the OR circuit. Quasi-constant power limiting circuit for constant-voltage, constant-current power supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10317184U JPH0716178Y2 (en) | 1984-07-10 | 1984-07-10 | Quasi-maximum allowable power limiting circuit for constant voltage / constant current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10317184U JPH0716178Y2 (en) | 1984-07-10 | 1984-07-10 | Quasi-maximum allowable power limiting circuit for constant voltage / constant current power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6119814U true JPS6119814U (en) | 1986-02-05 |
| JPH0716178Y2 JPH0716178Y2 (en) | 1995-04-12 |
Family
ID=30662565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10317184U Expired - Lifetime JPH0716178Y2 (en) | 1984-07-10 | 1984-07-10 | Quasi-maximum allowable power limiting circuit for constant voltage / constant current power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0716178Y2 (en) |
-
1984
- 1984-07-10 JP JP10317184U patent/JPH0716178Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0716178Y2 (en) | 1995-04-12 |
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