JPH031641U - - Google Patents
Info
- Publication number
- JPH031641U JPH031641U JP5840989U JP5840989U JPH031641U JP H031641 U JPH031641 U JP H031641U JP 5840989 U JP5840989 U JP 5840989U JP 5840989 U JP5840989 U JP 5840989U JP H031641 U JPH031641 U JP H031641U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- load
- predetermined value
- supply
- reached
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Description
図面は全て本考案の一実施例に係り、第１図は
全体の回路ブロツク図、第２図は三端子レギユレ
ータの構造を示す図、第３図はタイミングチヤー
トである。
１…バツテリー（直流電源）、７…ローデイン
グモータドライブ回路（負荷）、２…比較器（検
知手段）、Ｑ１，Ｑ２…トランジスタ（スイツチ
ング手段）、２１…ダミー負荷。
The drawings all relate to one embodiment of the present invention; FIG. 1 is an overall circuit block diagram, FIG. 2 is a diagram showing the structure of a three-terminal regulator, and FIG. 3 is a timing chart. 1...Battery (DC power supply), 7...Loading motor drive circuit (load), 2...Comparator (detection means), Q1, Q2...Transistor (switching means), 21...Dummy load.
Claims (1)
る検知手段と、 前記直流電源からの電流を前記負荷に直接供給
させる第１供給経路と、 前記直流電源からの電流をダミー負荷を経由し
て前記負荷に供給する第２供給経路と、 前記検知手段にて前記直流電源電圧が前記所定
値以上と判断される時に第２供給経路を選択し、 前記所定値に達しないと判断される時に第１供
給経路を選択するスイツチング手段を備える電源
供給回路。[Claims for Utility Model Registration] A DC power supply, a load driven by the DC power supply, a detection means for detecting whether the DC power supply voltage is equal to or higher than a predetermined value, and a current from the DC power supply to the load. a first supply path for directly supplying current from the DC power supply to the load via a dummy load; and a second supply path for supplying current from the DC power supply to the load via a dummy load; and the detection means determines that the DC power supply voltage is equal to or higher than the predetermined value. A power supply circuit comprising switching means for selecting a second supply route when the predetermined value is reached, and selecting the first supply route when it is determined that the predetermined value is not reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5840989U JPH031641U (en) | 1989-05-19 | 1989-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5840989U JPH031641U (en) | 1989-05-19 | 1989-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH031641U true JPH031641U (en) | 1991-01-09 |
Family
ID=31583991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5840989U Pending JPH031641U (en) | 1989-05-19 | 1989-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031641U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60170462A (en) * | 1984-02-14 | 1985-09-03 | Ricoh Co Ltd | Switching regulator |
| JPS61106064A (en) * | 1984-10-25 | 1986-05-24 | Yokogawa Hokushin Electric Corp | Dc/dc converter |
| JPS6429916A (en) * | 1987-07-24 | 1989-01-31 | Toyo Communication Equip | Dummy resistance circuit for constant current power source |
-
1989
- 1989-05-19 JP JP5840989U patent/JPH031641U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60170462A (en) * | 1984-02-14 | 1985-09-03 | Ricoh Co Ltd | Switching regulator |
| JPS61106064A (en) * | 1984-10-25 | 1986-05-24 | Yokogawa Hokushin Electric Corp | Dc/dc converter |
| JPS6429916A (en) * | 1987-07-24 | 1989-01-31 | Toyo Communication Equip | Dummy resistance circuit for constant current power source |
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