CN2911677Y - Probe of oil-water interface detector - Google Patents

Probe of oil-water interface detector Download PDF

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Publication number
CN2911677Y
CN2911677Y CN 200620038847 CN200620038847U CN2911677Y CN 2911677 Y CN2911677 Y CN 2911677Y CN 200620038847 CN200620038847 CN 200620038847 CN 200620038847 U CN200620038847 U CN 200620038847U CN 2911677 Y CN2911677 Y CN 2911677Y
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CN
China
Prior art keywords
probe
water interface
oil
output terminal
connects
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.)
Expired - Fee Related
Application number
CN 200620038847
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Chinese (zh)
Inventor
冯晓明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI RONGDE ENGINEERING EQUIPMENT Co Ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 200620038847 priority Critical patent/CN2911677Y/en
Application granted granted Critical
Publication of CN2911677Y publication Critical patent/CN2911677Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a probe used in oil-water interface detectors, which is connected with the scale in the oil-water interface detector. At the heart of the probe is a sensor positioned in the casing. The sensor is composed of a capacitor, a signal conditioning IC, an ADC, a microprocessor, a serial port, and a temperature sensor. The utility model oil-water interface detector probe allows a considerably improved measurement accuracy for oil-water interface detectors, hence improving instrument reliability and enabling a multi-parameter measurement.

Description

Probe in the oil water interface detector
Technical field
The utility model relates to a kind of detecting instrument, relates in particular to the probe in a kind of oil water interface detector.
Background technology
Oil water interface detector is widely used in the pasta of store oil cabin cabinet and sewage cargo tank and the mensuration of water-oil interface and temperature thereof, also is applicable to the mensuration of other occasion water-oil interface and temperature thereof.General oil water interface detector all is made up of detector body, dip stick and probe, and dip stick is connected between probe and the detector body, and probe is used to survey the thickness of oil reservoir and water layer.What play a major role in the probe is sensor, and the quality of sensor mass directly has influence on the precision of measurement, but also there are the not high problem of measuring accuracy in the probe of prior art and sensor thereof owing to its structural reason.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above that prior art exists, and the probe in the high oil water interface detector of a kind of measuring accuracy is provided.
The purpose of this utility model is achieved in that the probe in a kind of oil water interface detector, link to each other with the dip stick in the oil water interface detector, comprise housing and be arranged on the interior sensor of housing, described sensor comprises capacitor, the signal condition integrated circuit, the A/D modular converter, microprocessor and serial line interface, the output terminal of capacitor connects the input end of signal condition integrated circuit, the output terminal of signal condition integrated circuit connects the input end of A/D modular converter, the output terminal of A/D modular converter connects the input end of microprocessor, the output terminal of microprocessor connects the input end of serial line interface, and the output terminal of serial line interface connects dip stick.
Described capacitor is made up of two cube electrode sheets, and the fixed distance between the two cube electrode sheets is constant.
Described sensor also comprises temperature sensor, and the output terminal of this temperature sensor connects another input end of signal condition integrated circuit.
Probe in the utility model oil water interface detector makes it compared with prior art owing to adopted above technical scheme, has following advantage and characteristics:
1, adopts the capacitor formed by two electrode slices main body as sensor, when the mutual alignment immobilizes between two electrode slices, the capacitance Cx that two pole pieces are formed is directly proportional with specific inductive capacity μ, because the specific inductive capacity μ difference of air, oil, water is obvious, the electric capacity of capacitor in air, oil, water is also obviously different, the residing position of probe can be accurately measured in view of the above, and then the thickness of oil reservoir and water layer can be accurately measured;
2, adopt high performance signal condition integrated circuit, improved measuring accuracy;
3, after the microprocessor in the probe carries out pre-service to signal, be transferred to detector body, improved the reliability of instrument with digital form;
4, but the additional temp sensor is used to measure temperature in probe, can realize the measurement of multiparameter.
Description of drawings
Fig. 1 is the structural representation of the probe in the utility model oil water interface detector;
Fig. 2 is the structured flowchart of the sensor in the utility model probe.
Embodiment
See also Fig. 1, probe in the utility model oil water interface detector, link to each other with the dip stick 1 in the oil water interface detector, comprise check nut 2, dip stick fixing seal pad 3, last sealing gasket 4, O-ring seals 5, pin 6, screw 7, lock pad 8, connector 9, screw 10, O-ring seals 11, housing 12, lead 13, serial line interface 14, wiring board 15, capacitor 16, wiring board holder 17, copper-base 18, temperature sensor 19, O RunddichtringO 20, sealed bolster plate 21 and register pin 22.On wiring board 15, be provided with signal condition integrated circuit 151, A/D modular converter 152 and microprocessor 153, they and capacitor 16, serial line interface 14 and temperature sensor 19 are formed core component one sensor in the probe together, annexation wherein as shown in Figure 2, the output terminal of capacitor 16 connects the input end of signal condition integrated circuit 151, the output terminal of signal condition integrated circuit 151 connects the input end of A/D modular converter 152, the output terminal of A/D modular converter 152 connects the input end of microprocessor 153, the output terminal of microprocessor 153 connects the input end of serial line interface 14, and the output terminal of serial line interface 14 connects dip stick 1.
Capacitor in the utility model is made up of two cube electrode sheets, and the fixed distance between the two cube electrode sheets is constant.Can accurately measure the position of oil reservoir and water layer according to the significant difference of the specific inductive capacity of air, oil, water.Thereby can other parts in oil water interface detector accurately measure the thickness of oil reservoir and water layer in the cabin.

Claims (3)

1, probe in a kind of oil water interface detector, link to each other with the dip stick in the oil water interface detector, comprise housing and be arranged on the interior sensor of housing, it is characterized in that: described sensor comprises capacitor, the signal condition integrated circuit, the A/D modular converter, microprocessor and serial line interface, the output terminal of capacitor connects the input end of signal condition integrated circuit, the output terminal of signal condition integrated circuit connects the input end of A/D modular converter, the output terminal of A/D modular converter connects the input end of microprocessor, the output terminal of microprocessor connects the input end of serial line interface, and the output terminal of serial line interface connects dip stick.
2, the probe in the oil water interface detector as claimed in claim 1 is characterized in that: described capacitor is made up of two cube electrode sheets, and the fixed distance between the two cube electrode sheets is constant.
3, the probe in the oil water interface detector as claimed in claim 1, it is characterized in that: described sensor also comprises temperature sensor, and the output terminal of this temperature sensor connects another input end of signal condition integrated circuit.
CN 200620038847 2006-01-11 2006-01-11 Probe of oil-water interface detector Expired - Fee Related CN2911677Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620038847 CN2911677Y (en) 2006-01-11 2006-01-11 Probe of oil-water interface detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620038847 CN2911677Y (en) 2006-01-11 2006-01-11 Probe of oil-water interface detector

Publications (1)

Publication Number Publication Date
CN2911677Y true CN2911677Y (en) 2007-06-13

Family

ID=38133544

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620038847 Expired - Fee Related CN2911677Y (en) 2006-01-11 2006-01-11 Probe of oil-water interface detector

Country Status (1)

Country Link
CN (1) CN2911677Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106247919A (en) * 2016-09-21 2016-12-21 天津海运职业学院 A kind of measuring of oil film method and measuring of oil film instrument
CN108458652A (en) * 2018-05-25 2018-08-28 中国矿业大学(北京) Based on capacitance measurement burning core intersection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106247919A (en) * 2016-09-21 2016-12-21 天津海运职业学院 A kind of measuring of oil film method and measuring of oil film instrument
CN106247919B (en) * 2016-09-21 2019-03-19 天津海运职业学院 A kind of measuring of oil film method and measuring of oil film instrument
CN108458652A (en) * 2018-05-25 2018-08-28 中国矿业大学(北京) Based on capacitance measurement burning core intersection device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHANGHAI RONGDE ELECTRICAL AND MECHANICAL ENGINEE

Free format text: FORMER OWNER: FENG XIAOMING

Effective date: 20081017

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20081017

Address after: Room 1, No. 1695, Lane 1401, Pudong Avenue, Shanghai, 200135

Patentee after: Shanghai Rongde Engineering Equipment Co., Ltd.

Address before: Room 5, No. 1460, Lane 302, Pudong Road, Shanghai, Pudong New Area, China: 200135

Patentee before: Feng Xiaoming

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070613

Termination date: 20140111