JPH02139436U - - Google Patents
Info
- Publication number
- JPH02139436U JPH02139436U JP4854189U JP4854189U JPH02139436U JP H02139436 U JPH02139436 U JP H02139436U JP 4854189 U JP4854189 U JP 4854189U JP 4854189 U JP4854189 U JP 4854189U JP H02139436 U JPH02139436 U JP H02139436U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- power
- photocoupler
- discharge
- discharge circuit
- 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
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案の第１の実施例を示す放電抵抗
切換回路図、第２図は同第２の実施例を示す放電
抵抗切換回路図、第３図は同第３の実施例を示す
放電抵抗切換回路図、第４図は従来例を示す回路
図である。
図中、１…交流電源、２…電源スイツチ、３…
ダイオードスタツク、４〜６…コンデンサ、７…
放電抵抗、８…ホトカプラ、９…抵抗、１０…ダ
イオード、１１…抵抗、１２…制御部、１３…直
流リレー、１３ａ…スイツチ、１４…抵抗、１５
…トランジスタ、１６…交流リレー、１６ａ…ス
イツチ、１７〜１７ａ…連動スイツチ。
Fig. 1 is a discharge resistance switching circuit diagram showing a first embodiment of the present invention, Fig. 2 is a discharge resistance switching circuit diagram showing a second embodiment of the invention, and Fig. 3 shows a third embodiment of the invention. Discharge resistance switching circuit diagram, FIG. 4 is a circuit diagram showing a conventional example. In the figure, 1...AC power supply, 2...power switch, 3...
Diode stack, 4 to 6...Capacitor, 7...
Discharge resistor, 8... Photocoupler, 9... Resistor, 10... Diode, 11... Resistor, 12... Control unit, 13... DC relay, 13a... Switch, 14... Resistor, 15
...transistor, 16...AC relay, 16a...switch, 17-17a...interlocking switch.
Claims (1)
路の一次側に電源スイツチをけ、同電源回路の二
次側に結合させる放電抵抗の一側に開閉器を介装
し、同開閉器を電源スイツチの開閉に基づき制御
せしめるようにしたことを特徴とする放電回路。 (2) 前記電源回路の一次側交流電力を半波整流
してホトカプラを駆動し、同ホトカプラの動作に
伴つて出力されるパルス信号により制御部を駆動
し、同制御部よりの出力信号により前記開閉器を
制御せしめる請求項１記載の放電回路。 (3) 前記開閉器を交流リレーとし、同交流リレ
ーを前記電源スイツチの開閉に基づき制御せしめ
る請求項１記載の放電回路。 (4) 一方が開より閉に切り替わるとき、他方が
閉より開に作動する連動スイツチの一方を前記放
電抵抗の一側に介装し、他方を前記電源スイツチ
として介装して成る請求項１記載の放電回路。[Scope of Claim for Utility Model Registration] (1) A power switch is installed on the primary side of a power supply circuit that converts AC power into DC power, and a switch is connected to one side of a discharge resistor that is connected to the secondary side of the power supply circuit. A discharge circuit characterized in that the switch is equipped with a power switch and is controlled based on the opening and closing of a power switch. (2) The primary side AC power of the power supply circuit is half-wave rectified to drive the photocoupler, the control section is driven by a pulse signal outputted in accordance with the operation of the photocoupler, and the output signal from the control section is used to drive the photocoupler. The discharge circuit according to claim 1, which controls a switch. (3) The discharge circuit according to claim 1, wherein the switch is an AC relay, and the AC relay is controlled based on opening and closing of the power switch. (4) One of the interlocking switches is interposed on one side of the discharge resistor, and the other interlock switch operates from closed to open when one switch is switched from open to closed, and the other is interposed as the power switch. The discharge circuit described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4854189U JPH02139436U (en) | 1989-04-24 | 1989-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4854189U JPH02139436U (en) | 1989-04-24 | 1989-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139436U true JPH02139436U (en) | 1990-11-21 |
Family
ID=31565439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4854189U Pending JPH02139436U (en) | 1989-04-24 | 1989-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139436U (en) |
-
1989
- 1989-04-24 JP JP4854189U patent/JPH02139436U/ja active Pending
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