JPH02104743U - - Google Patents
Info
- Publication number
- JPH02104743U JPH02104743U JP1116289U JP1116289U JPH02104743U JP H02104743 U JPH02104743 U JP H02104743U JP 1116289 U JP1116289 U JP 1116289U JP 1116289 U JP1116289 U JP 1116289U JP H02104743 U JPH02104743 U JP H02104743U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- power
- switching element
- load
- parallel
- 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
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案の一実施例の電気回路図、第２
図は先行技術の電気回路図、第３図は第１図の実
施例および第２図の先行技術の動作を説明するた
めのグラフである。
１１…第１直流電源、１４…第１負荷、１５…
第２直流電源、１７…第２負荷、２０…スイツチ
ング制御手段、２４…直流回路、Ｄ１１〜Ｄ１５
…ダイオード、Ｑ１１…トランジスタ、Ｃ…コン
デンサ。
Fig. 1 is an electrical circuit diagram of one embodiment of the present invention;
The figure is an electric circuit diagram of the prior art, and FIG. 3 is a graph for explaining the operation of the embodiment of FIG. 1 and the prior art of FIG. 2. 11...first DC power supply, 14...first load, 15...
Second DC power supply, 17... Second load, 20... Switching control means, 24... DC circuit, D11 to D15
...diode, Q11...transistor, C...capacitor.
Claims (1)
グ素子と、 スイツチング素子を介する第１直流電源からの
電力または第２直流電源からの電力によつて付勢
される第１負荷と、 第１直流電源の電力によつて付勢され、第１負
荷と協働する第２負荷と、 第１直流電源の電圧が予め定める値未満になつ
たときにスイツチング素子を遮断するスイツチン
グ制御手段と、 スイツチング素子に並列に順方向接続されるダ
イオード、 ２つの同一方向に接続されるダイオードから成
る直列回路であつて、スイツチング素子に並列に
順方向接続される、そのような直列回路と、 直列回路を構成する２つのダイオードの相互の
接続点に並列接続されるコンデンサとを含むこと
を特徴とする電源装置。[Claims for Utility Model Registration] A first DC power supply, a second DC power supply for backup, a switching element that supplies power from the first DC power supply, and a power supply or power supply from the first DC power supply via the switching element. a first load energized by power from a second DC power source; a second load energized by power from the first DC power source and cooperating with the first load; and a voltage of the first DC power source. a switching control means that shuts off the switching element when A power supply device comprising: such a series circuit connected forward in parallel to an element; and a capacitor connected in parallel to a mutual connection point of two diodes constituting the series circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1116289U JPH02104743U (en) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1116289U JPH02104743U (en) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02104743U true JPH02104743U (en) | 1990-08-21 |
Family
ID=31219471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1116289U Pending JPH02104743U (en) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02104743U (en) |
-
1989
- 1989-01-31 JP JP1116289U patent/JPH02104743U/ja active Pending