CN104930961A - Liquid cabinet oil layer thickness detection apparatus and measuring method thereof - Google Patents
Liquid cabinet oil layer thickness detection apparatus and measuring method thereof Download PDFInfo
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- CN104930961A CN104930961A CN201510298881.4A CN201510298881A CN104930961A CN 104930961 A CN104930961 A CN 104930961A CN 201510298881 A CN201510298881 A CN 201510298881A CN 104930961 A CN104930961 A CN 104930961A
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Abstract
The invention discloses a liquid cabinet oil layer thickness detection apparatus and a measuring method thereof. The apparatus comprises a Pt electrode which is arranged in a liquid cabinet and is in contact with a liquid inside the liquid cabinet. The Pt electrode is connected with a miniaturized motor, the miniaturized motor is connected with a resistor and a starting device, the two ends of the resistor are respectively connected with the input end of a signal amplification circuit, and the output end of the signal amplification circuit is connected with a processor. According to the liquid cabinet oil layer thickness detection apparatus and the measuring method employing the apparatus for measuring the thickness of an oil layer in a liquid cabinet, signals generated when the Pt electrode is contacted with an oil membrane and signals generated when the Pt electrode is contacted with sea water in the liquid cabinet are acquired in real time by use of the processor, and the thickness of the oil layer is measured based on an induction principle. The method is quite high in measuring precision and sensitivity. The apparatus is small in volume, high in portability and novel in design, thereby facilitating production.
Description
Technical field
The present invention relates to core intersection pick-up unit and measuring method thereof in a kind of liquid cabinet, relate to specifically a kind ofly utilize that principle of induction is carried out fast core intersection in liquid cabinet, the apparatus and method of Measurement accuracy.
Background technology
Usually in the measurement liquid cabinet adopted at present, the method for core intersection has following several devices and methods therefor:
1, water-oil interface indicator.This device primarily of measurement steel band tape, micro-reometer, connect hull folder and zinc pendant composition, and based on the principle of primary element, calculate to obtain core intersection by the difference of reading calculating steel band tape.Although this device simple structure, easy to operate in use, because device electric current is very weak, so higher to each location contacts conditions necessitate, and equipment volume is comparatively large, and measuring accuracy is also more coarse.
Ultrasonic Pulse-Echo method is adopted to measure the thickness of oil reservoir in liquid cabinet.The method carries out thickness measure according to the principle of Ultrasonic Pulse-Echo, when the ultrasonic pulse launched when popping one's head in arrives material interface by testee, pulse is reflected back toward probe, and the time of propagating in the material by accurately measuring ultrasound wave determines the thickness of measured material.And comparatively extensive based on the application of installation of ultrasound wave line Measurement Technique, but its measuring accuracy is poor, easily disturbs by other factors, poor anti jamming capability.
3, photo-electric On-line Measuring Method.The method is by the method for traditional optical, using the change edge of reflected energy as the starting point measured, a pulse for measuring is obtained after shaping circuit shaping, the thickness of oil reservoir just can be recorded by ranging pulse width, carry out data processing by single-chip microcomputer, demonstrate the capacity of accumulator with display intuitively.Although the method eliminates the error that the links such as amplification, counting are brought, its measuring accuracy or not high enough.
Summary of the invention
According to prior art Problems existing, the invention discloses core intersection pick-up unit in a kind of liquid cabinet, comprise: be arranged at the Pt electrode contacted with the liquid of its inside in liquid cabinet, described Pt electrode is connected with micromachine, described micromachine is connected with starting device with resistance, the two ends of described resistance are connected with the input end of signal amplification circuit respectively, and the output terminal of described signal amplification circuit is connected with processor.
A measuring method for core intersection pick-up unit in liquid cabinet, comprises the following steps:
S1: start micromachine: the start button pressing starting device, micromachine starts control Pt electrode uniform motion;
S2: sampling and analysis of signal when core intersection detects: when Pt electrode contact is T to the moment of record generation first voltage pulse signal during oil reservoir
1, described signal amplification circuit is sent to processor after amplifying this voltage pulse signal, and described processor for recording also shows this voltage pulse signal;
S3:Pt electrode records the moment T of generation second voltage pulse signal when moving downward the seawater touched in liquid cabinet
2, described signal amplification circuit is sent to processor (5) after amplifying this voltage pulse signal, and described processor for recording also shows this voltage pulse signal;
S4: processor is V according to the speed of Pt electrode uniform motion, the time interval of above-mentioned twice voltage pulse signal is △ T=T
1-T
2, then core intersection X=V × △ T.
Owing to have employed technique scheme, provided by the inventionly a kind ofly measure the device of core intersection in liquid cabinet and adopt the method for core intersection in this measurement device liquid cabinet, real-time employing processor gathers signal during seawater in Pt electrode contact to signal during oil film and liquid cabinet, core intersection measurement is carried out based on principle of induction, the method measuring accuracy and sensitivity are all high, and this device volume is little easy to carry, modern design is convenient to produce.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the present invention measures the device of core intersection in liquid cabinet;
Fig. 2 is embodiment testing result schematic diagram in the present invention;
Fig. 3 is embodiment testing result schematic diagram in the present invention.
Embodiment
For making technical scheme of the present invention and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear complete description is carried out to the technical scheme in the embodiment of the present invention:
Core intersection pick-up unit in a kind of liquid cabinet as shown in Figure 1, comprise: be arranged at the Pt electrode 2 contacted with the liquid of its inside in liquid cabinet, described Pt electrode 2 is connected with micromachine 1, described micromachine 1 is connected with starting device 6 with resistance 3, the two ends of described resistance 3 are connected with the input end of signal amplification circuit 4 respectively, and the output terminal of described signal amplification circuit 4 is connected with processor 5.
As shown in Figures 2 and 3, the measuring method of core intersection pick-up unit in a kind of liquid cabinet, comprises the following steps:
S1: start micromachine 1: the start button pressing starting device 6, micromachine 1 starts control Pt electrode 2 uniform motion.
S2: sampling and analysis of signal when core intersection detects: the moment of recording generation first voltage pulse signal when Pt electrode 2 touches oil reservoir is T
1, described signal amplification circuit 4 is sent to processor 5 after amplifying this voltage pulse signal, and described processor 5 records and shows this voltage pulse signal.
S3:Pt electrode 2 records the moment T of generation second voltage pulse signal when moving downward the seawater touched in liquid cabinet
2, described signal amplification circuit 4 is sent to processor 5 after amplifying this voltage pulse signal, and described processor 5 records and shows this voltage pulse signal.
S4: processor 5 is according to Pt electrode 2) speed of uniform motion is V, the time interval of above-mentioned twice voltage pulse signal is △ T=T
1-T
2, then core intersection X=V × △ T.
The measurement adopting this device to carry out core intersection in liquid cabinet has the following advantages: use ARM signal acquiring system as data processing terminal, whole device volume is little, and cost is low, can be portable be applied to field quick detection; Based on principle of induction, carry out core intersection measurement, measuring accuracy, sensitivity are all very high.Device is portable instrument, and volume reduces greatly.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (2)
1. core intersection pick-up unit in a liquid cabinet, it is characterized in that comprising: be arranged at the Pt electrode (2) contacted with the liquid of its inside in liquid cabinet, described Pt electrode (2) is connected with micromachine (1), described micromachine (1) is connected with starting device (6) with resistance (3), the two ends of described resistance (3) are connected with the input end of signal amplification circuit (4) respectively, and the output terminal of described signal amplification circuit (4) is connected with processor (5).
2. the measuring method of core intersection pick-up unit in liquid cabinet, is characterized in that: comprise the following steps:
S1: start micromachine (1): the start button pressing starting device (6), micromachine (1) starts control Pt electrode (2) uniform motion;
S2: sampling and analysis of signal when core intersection detects: the moment of recording generation first voltage pulse signal when Pt electrode (2) touches oil reservoir is T
1, described signal amplification circuit (4) is sent to processor (5) after amplifying this voltage pulse signal, and described processor (5) records and shows this voltage pulse signal;
S3:Pt electrode (2) records the moment T of generation second voltage pulse signal when moving downward the seawater touched in liquid cabinet
2, described signal amplification circuit (4) is sent to processor (5) after amplifying this voltage pulse signal, and described processor (5) records and shows this voltage pulse signal;
S4: processor (5) is V according to the speed of Pt electrode (2) uniform motion, the time interval of above-mentioned twice voltage pulse signal is △ T=T
1-T
2, then core intersection X=V × △ T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298881.4A CN104930961A (en) | 2015-06-03 | 2015-06-03 | Liquid cabinet oil layer thickness detection apparatus and measuring method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298881.4A CN104930961A (en) | 2015-06-03 | 2015-06-03 | Liquid cabinet oil layer thickness detection apparatus and measuring method thereof |
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| CN104930961A true CN104930961A (en) | 2015-09-23 |
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| CN201510298881.4A Pending CN104930961A (en) | 2015-06-03 | 2015-06-03 | Liquid cabinet oil layer thickness detection apparatus and measuring method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109154488A (en) * | 2016-06-09 | 2019-01-04 | 株式会社Lg化学 | It measures the equipment of the thickness change of the electrode of secondary cell and the secondary cell of the equipment is wherein installed |
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| US20050166671A1 (en) * | 2004-02-03 | 2005-08-04 | Peterson Gregory A. | Liquid level sensor for appliance and associated method |
| CN101532863A (en) * | 2009-04-04 | 2009-09-16 | 威海宝源电气有限公司 | Radio frequency induction lamination level sensor |
| CN102419197A (en) * | 2011-12-16 | 2012-04-18 | 铜陵浩岩节能科技有限公司 | Level measuring device of liquid layered substance |
| CN102659212A (en) * | 2012-05-15 | 2012-09-12 | 泰山医学院 | Method and device for removing floating oil and settling sand in wastewater based on electrical conductivities of oil and water |
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Patent Citations (6)
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| CN2274765Y (en) * | 1996-01-30 | 1998-02-18 | 普兰店市仪器仪表厂 | Level monitor |
| CN2293054Y (en) * | 1996-02-08 | 1998-09-30 | 中国煤炭经济学院 | Weight type intelligent charge level probe unit |
| US20050166671A1 (en) * | 2004-02-03 | 2005-08-04 | Peterson Gregory A. | Liquid level sensor for appliance and associated method |
| CN101532863A (en) * | 2009-04-04 | 2009-09-16 | 威海宝源电气有限公司 | Radio frequency induction lamination level sensor |
| CN102419197A (en) * | 2011-12-16 | 2012-04-18 | 铜陵浩岩节能科技有限公司 | Level measuring device of liquid layered substance |
| CN102659212A (en) * | 2012-05-15 | 2012-09-12 | 泰山医学院 | Method and device for removing floating oil and settling sand in wastewater based on electrical conductivities of oil and water |
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| 赵凯 等: "静电感应式油/水界面探测技术", 《大连海事大学学报》 * |
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| CN109154488A (en) * | 2016-06-09 | 2019-01-04 | 株式会社Lg化学 | It measures the equipment of the thickness change of the electrode of secondary cell and the secondary cell of the equipment is wherein installed |
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Application publication date: 20150923 |
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