JPS6065642U - digital liquid meter - Google Patents
digital liquid meterInfo
- Publication number
- JPS6065642U JPS6065642U JP8362884U JP8362884U JPS6065642U JP S6065642 U JPS6065642 U JP S6065642U JP 8362884 U JP8362884 U JP 8362884U JP 8362884 U JP8362884 U JP 8362884U JP S6065642 U JPS6065642 U JP S6065642U
- Authority
- JP
- Japan
- Prior art keywords
- oscillator
- liquid
- frequency divider
- output
- pulses
- 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
- 239000007788 liquid Substances 0.000 title claims description 10
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Arrangements For Transmission Of Measured Signals (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係るデジタル液量計の計測回路のブロ
ック図、第２図は平行板コンデンサの斜視図、第３図は
平行板コンデンサの静電容量変化を示す図、第４図は第
３図の動作タイミングを示す図である。
Ａ・・・発振器、Ｂ・・・分周器、Ｃ・・・基準発振器
、Ｄ・・・加算カウンター、Ｅ・・・表示器、Ｆ・・・
平行板コンデンサ。
第３図
第４図Figure 1 is a block diagram of the measurement circuit of the digital liquid meter according to the present invention, Figure 2 is a perspective view of a parallel plate capacitor, Figure 3 is a diagram showing changes in capacitance of the parallel plate capacitor, and Figure 4 is a diagram showing the capacitance change of the parallel plate capacitor. FIG. 4 is a diagram showing the operation timing of FIG. 3; A... Oscillator, B... Frequency divider, C... Reference oscillator, D... Addition counter, E... Display, F...
Parallel plate capacitor. Figure 3 Figure 4
Claims (1)
して立てた平行板コンデンサと、この平行板コンデンサ
の静電容量に依存して発振し、その発振周期が液量及び
静電容量に比例する発振器と、この発振器の発振周器を
分周する分周器と、前記発振器又は前記分周器が前記絶
縁性液体の液量が零及び満量のとき出力するパルス数の
差が満量時の単位液量と一致するパルス数を液量零のと
き前記発振器又は前記分周器をもって発振する基準発振
器と、この基準発振器の出力１周期の間に発生する前記
発振器又は前記分周器の出力パルス数を計数して液量零
のときの前記基準発振器の１周期の間に発生する前記発
振器又は前記分周期のパルス数から差引く演算計数器と
、この演算計数器の演算結果を前記基準発振器の出力１
周期の間記憶して表示するデジタル表示器と、からなる
デジタル液量計。A parallel plate capacitor with multiple metal plates placed in parallel in the insulating liquid to be measured oscillates depending on the capacitance of the parallel plate capacitor, and the oscillation period depends on the liquid volume and capacitance. an oscillator proportional to , a frequency divider that divides the oscillation frequency of this oscillator, and a difference in the number of pulses output by the oscillator or the frequency divider when the amount of the insulating liquid is zero and when the amount is full. a reference oscillator that oscillates a number of pulses corresponding to a unit liquid volume when the liquid is full, using the oscillator or the frequency divider when the liquid volume is zero, and the oscillator or the frequency divider that generates a pulse number during one cycle of the output of the reference oscillator; an arithmetic counter that counts the number of output pulses of the oscillator and subtracts it from the number of pulses of the oscillator or divided period generated during one cycle of the reference oscillator when the liquid level is zero; and the arithmetic result of this arithmetic counter. is the output 1 of the reference oscillator
A digital liquid meter consisting of a digital display that memorizes and displays during the cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8362884U JPS6065642U (en) | 1984-06-07 | 1984-06-07 | digital liquid meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8362884U JPS6065642U (en) | 1984-06-07 | 1984-06-07 | digital liquid meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6065642U true JPS6065642U (en) | 1985-05-09 |
Family
ID=30213587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8362884U Pending JPS6065642U (en) | 1984-06-07 | 1984-06-07 | digital liquid meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6065642U (en) |
-
1984
- 1984-06-07 JP JP8362884U patent/JPS6065642U/en active Pending
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