JPS61170064U - - Google Patents
Info
- Publication number
- JPS61170064U JPS61170064U JP5419185U JP5419185U JPS61170064U JP S61170064 U JPS61170064 U JP S61170064U JP 5419185 U JP5419185 U JP 5419185U JP 5419185 U JP5419185 U JP 5419185U JP S61170064 U JPS61170064 U JP S61170064U
- Authority
- JP
- Japan
- Prior art keywords
- cutting fluid
- water
- circuit
- soluble cutting
- oscillation
- 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
- 239000002173 cutting fluid Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 3
- 239000010730 cutting oil Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Description
第１図は水溶性切削油剤貯溜タンクと検出用コ
ンデンサの配置関係を示す一部を破断にした外観
図、第２図は希釈倍率の測定回路を示す。
１……切削油剤貯溜タンク、７……検出用コン
デンサ（静電容量式検出器）、１０……共振回路
、１２……発振回路、１４……位相検知回路、１
５……フイルタ用コンデンサ、１７……直流電圧
計、１８……電圧比較回路、２０……リレー、Ａ
……水溶性切削油剤。
FIG. 1 is a partially cutaway external view showing the arrangement of a water-soluble cutting fluid storage tank and a detection capacitor, and FIG. 2 shows a dilution ratio measurement circuit. DESCRIPTION OF SYMBOLS 1... Cutting oil storage tank, 7... Detection capacitor (capacitance type detector), 10... Resonance circuit, 12... Oscillation circuit, 14... Phase detection circuit, 1
5... Filter capacitor, 17... DC voltmeter, 18... Voltage comparison circuit, 20... Relay, A
...Water-soluble cutting fluid.
Claims (1)
タンクと、該貯溜タンク内の水溶性切削油剤の誘
電率を検出する静電容量式検出器と、該検出器を
含んで構成される共振回路と、該共振回路の同調
周波数に近い周波数を発振する発振回路と、該発
振回路からの発振出力を前記共振回路を通過させ
ることによつて生じる位相変位した信号と該発振
回路から直接入力される信号との間の位相差を検
出し、該位相差に対応した電圧出力を発生する位
相検知回路とを備え、該位相検知回路からの出力
に基づいて水溶性切削油剤の希釈倍率を測定する
ように構成してなる水溶性切削油剤の濃度測定装
置。 A cutting fluid storage tank that stores a water-soluble cutting fluid to be measured, a capacitance detector that detects the dielectric constant of the water-soluble cutting fluid in the storage tank, and a resonant circuit that includes the detector. , an oscillation circuit that oscillates at a frequency close to the tuning frequency of the resonant circuit, and a phase-shifted signal generated by passing the oscillation output from the oscillation circuit through the resonant circuit, and a signal directly input from the oscillation circuit. and a phase detection circuit that detects a phase difference between the signals and generates a voltage output corresponding to the phase difference, and measures the dilution ratio of the water-soluble cutting fluid based on the output from the phase detection circuit. A water-soluble cutting fluid concentration measuring device consisting of:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5419185U JPS61170064U (en) | 1985-04-11 | 1985-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5419185U JPS61170064U (en) | 1985-04-11 | 1985-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61170064U true JPS61170064U (en) | 1986-10-22 |
Family
ID=30575729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5419185U Pending JPS61170064U (en) | 1985-04-11 | 1985-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61170064U (en) |
-
1985
- 1985-04-11 JP JP5419185U patent/JPS61170064U/ja active Pending
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