JPS5842667U - Current value detection circuit - Google Patents
Current value detection circuitInfo
- Publication number
- JPS5842667U JPS5842667U JP13622981U JP13622981U JPS5842667U JP S5842667 U JPS5842667 U JP S5842667U JP 13622981 U JP13622981 U JP 13622981U JP 13622981 U JP13622981 U JP 13622981U JP S5842667 U JPS5842667 U JP S5842667U
- Authority
- JP
- Japan
- Prior art keywords
- current value
- value detection
- detection circuit
- closed loop
- control switch
- 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
Landscapes
- Measurement Of Current Or Voltage (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図は本考案の一実施例を示す電流値検出回路図、第
２図は各機能素子に電圧を印加したときの電流特性図、
第３図はマイクロコンピュータのプログラムフローチャ
ートである。
１０・・・直流電源、１． ２． ３・・・インダクタ
ンスを含む機能素子、４． ５． ６・・・制御用スイ
ッチ、？、 ８． ９・・・電流値検出用抵抗、Ｔ′
・・・設定時間、１１・・・Ａ／Ｄコンバータ、１３・
・・ＲＯＭ（記憶装置）、１２・・・マイクロコンピュ
ータ（制御手段）。Fig. 1 is a current value detection circuit diagram showing an embodiment of the present invention, Fig. 2 is a current characteristic diagram when voltage is applied to each functional element,
FIG. 3 is a program flowchart of the microcomputer. 10...DC power supply, 1. 2. 3... Functional element including inductance, 4. 5. 6... Control switch? , 8. 9... Resistor for current value detection, T'
...Setting time, 11...A/D converter, 13.
... ROM (storage device), 12... microcomputer (control means).
Claims (1)
御用スイッチおよび電流値検出手段とを接続して形成さ
れる閉ループにおいて、上記各機能素子の電流値が定常
状態に達する最大時間よりも大きく設定され、この設定
時間経過後に動作しで電流値を検出するＡ／Ｄコンバー
タと、あらかじめ各閉ループの基準電流値が記憶してお
かれる記憶装置と、上記Ａ／Ｄコンバータでコンバート
した電流値と記憶装置に記憶された基準電流値との比較
が行なわれた後、上記制御用スイッチを制御する制御手
段とを具備し、上記閉ループの電流値は制御手段を介し
て設定時間後に制御用スイッチがオフしたときの値を検
出することを特徴とする電流値検出回路。In a closed loop formed by connecting functional elements including a plurality of inductances, a control switch, and a current value detection means to a DC power supply, the current value of each of the functional elements is set to be larger than the maximum time required to reach a steady state. , an A/D converter that operates to detect the current value after the set time has elapsed, a storage device that stores the reference current value of each closed loop in advance, and a storage device that stores the current value converted by the A/D converter. and a control means for controlling the control switch after the comparison with a reference current value stored in the closed loop current value is determined via the control means so that the control switch is turned off after a set time. A current value detection circuit characterized by detecting a value when.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13622981U JPS5842667U (en) | 1981-09-16 | 1981-09-16 | Current value detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13622981U JPS5842667U (en) | 1981-09-16 | 1981-09-16 | Current value detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5842667U true JPS5842667U (en) | 1983-03-22 |
Family
ID=29929564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13622981U Pending JPS5842667U (en) | 1981-09-16 | 1981-09-16 | Current value detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5842667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61123225U (en) * | 1985-01-22 | 1986-08-02 |
-
1981
- 1981-09-16 JP JP13622981U patent/JPS5842667U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61123225U (en) * | 1985-01-22 | 1986-08-02 |
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