JPS58120969U - level detection device - Google Patents
level detection deviceInfo
- Publication number
- JPS58120969U JPS58120969U JP13337382U JP13337382U JPS58120969U JP S58120969 U JPS58120969 U JP S58120969U JP 13337382 U JP13337382 U JP 13337382U JP 13337382 U JP13337382 U JP 13337382U JP S58120969 U JPS58120969 U JP S58120969U
- Authority
- JP
- Japan
- Prior art keywords
- level
- wave voltage
- low
- staircase wave
- voltage portion
- 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図及び第２−は夫々従来のレベル検出装置に用いら
れる階段波電圧の吉例の波形図、第３図り本考案装置の
第１実施例のブロック系統図、第４図Ａ、 Ｂは夫々第
３図の動作説明用波形図、第５図は第３図の要部の１ｉ
施例の具体的回路を示す図、第６図は本考案装置の第２
実施例のブロワ−り系統図、第７図は本考案装置に用い
られる階段波電圧の１実施例の波形図である。
２．９・・・増幅器、３・・・コンパレータ、４，４′
・・・階段波電圧発生器、５・・・制御回路。Figures 1 and 2- are waveform diagrams of a good example of a staircase voltage used in a conventional level detection device, Figure 3 is a block system diagram of the first embodiment of the device of the present invention, and Figures 4A and B are diagrams, respectively. Figure 3 is a waveform diagram for explaining the operation, Figure 5 is the main part 1i of Figure 3.
A diagram showing a specific circuit of the embodiment, FIG. 6 is the second circuit of the device of the present invention.
FIG. 7 is a diagram of a blower system according to an embodiment of the present invention, and is a waveform diagram of an embodiment of a staircase wave voltage used in the device of the present invention. 2.9...Amplifier, 3...Comparator, 4,4'
... Staircase voltage generator, 5... Control circuit.
Claims (1)
、このコンパレータの出力パルスのパルス幅で上記入力
電圧のレベルを検出する装置において、上記階段波電圧
の検出下限界レベル以下の低レベル電圧部分を一周期毎
に１又は２以上の部分に区分し、少なくとも該区分され
た低レベル階段波電圧部分の最初のレベル値が該検出下
限界レベル以上となるよう該低レベル階段波電圧部分を
周期的にレベル伸長し、かつこのレベル伸長期間と同一
期間に上記レベル伸長率と等しい増幅率で上記入力電圧
を周期的に増幅する手段を設け、上記レベル伸長した各
低レベル階段波電圧部分とレベル伸長されない上記階段
波電圧部分によって全検出レベルにわたって上記−周期
期間内に連続的なパルス幅でレベル検出するこ牛を特徴
とするレベル検出装置。In a device that compares the level of the input voltage and the staircase wave voltage with a comparator and detects the level of the input voltage using the pulse width of the output pulse of this comparator, the low level voltage portion below the lower detection limit level of the staircase wave voltage is detected. The low-level staircase wave voltage portion is divided into one or more parts per period, and the low-level staircase wave voltage portion is periodically divided so that at least the first level value of the divided low-level staircase wave voltage portion is equal to or higher than the lower detection limit level. and periodically amplifying the input voltage with an amplification factor equal to the level expansion rate during the same period as this level expansion period, and the level expansion of each low level staircase wave voltage portion that has been level expanded and the level expansion. A level detection device characterized in that the level detection device detects the level with a continuous pulse width within the above-mentioned cycle period over the entire detection level by the step-wave voltage portion which is not detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13337382U JPS58120969U (en) | 1982-09-02 | 1982-09-02 | level detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13337382U JPS58120969U (en) | 1982-09-02 | 1982-09-02 | level detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58120969U true JPS58120969U (en) | 1983-08-17 |
Family
ID=30101494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13337382U Pending JPS58120969U (en) | 1982-09-02 | 1982-09-02 | level detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58120969U (en) |
-
1982
- 1982-09-02 JP JP13337382U patent/JPS58120969U/en active Pending
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