CN106768185A - Oil tank Interface detection device and method based on ultrasonic velocity and liquid medium resistance - Google Patents
Oil tank Interface detection device and method based on ultrasonic velocity and liquid medium resistance Download PDFInfo
- Publication number
- CN106768185A CN106768185A CN201611150305.6A CN201611150305A CN106768185A CN 106768185 A CN106768185 A CN 106768185A CN 201611150305 A CN201611150305 A CN 201611150305A CN 106768185 A CN106768185 A CN 106768185A
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- Prior art keywords
- sensor
- tape measure
- probe
- oil tank
- oil
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention provides the oil tank Interface detection equipment based on ultrasonic velocity and liquid medium resistance, including housing, tape measure reel, tape measure, sensor places pipe, column sensor, conductivity probe and ultrasonic probe, the housing lower end is connected with sensor and places pipe, the housing central section has tape measure reel, tape measure is full of on the tape measure reel, there are a limit shaft and a pair of axis of guides in the housing, the tape measure passes perpendicularly through sensor after limit shaft and two axis of guides and places pipe, the tape measure lower end is connected with column sensor, the column sensor base is installed with conductivity probe, there is ultrasonic probe in the conductivity probe, the tape measure includes circuit in wire connection column sensor.Present device simple structure is easy to operate to be used for air-oil Interface detection by ultrasonic probe, and conductivity probe is detected for oil-water interface, so that two interfaces of an equipment can be detected, substantially increases precision and efficiency of detecting.
Description
Technical field
The present invention relates to oil tank Interface detection field, the oil tank more particularly to based on ultrasonic velocity and liquid medium resistance
Interface detection device and method.
Background technology
Typically contain a certain amount of water in oil, oil tank is during oil in reserve, and the density of the density more than oil of water, water is general
In tank bottom, oil-air, two interfaces of different medium of oil-water will be produced in oil tank, therefore, in detection oil tank
Detection oil-air and two interfaces of oil-water are needed during the height of oil, and existing equipment is often only capable of carrying out single detection, and
Accuracy of detection is not high, and a kind of oil tank Interface detection based on ultrasonic velocity and liquid medium resistance is needed in order to improve certainty of measurement
Device and method.
The content of the invention
In order to solve above-mentioned problem, the present invention provides a kind of oil tank based on ultrasonic velocity and liquid medium resistance
Interface detection device and method, device structure simple operations are convenient to be used for air-oil Interface detection by ultrasonic probe, by electricity
Conductance is popped one's head in for oil-water interface detection, so that two interfaces of an equipment can be detected, substantially increases accuracy of detection
And efficiency, it is that, up to this purpose, the present invention provides a kind of oil tank Interface detection equipment based on ultrasonic velocity and liquid medium resistance,
Pipe, column sensor, conductivity probe and ultrasonic probe are placed including housing, tape measure reel, tape measure, sensor, it is described
Housing lower end is connected with sensor and places pipe, and the housing central section has tape measure reel, is full of tape measure on the tape measure reel, institute
Stating in housing has a limit shaft and a pair of axis of guides, and the tape measure passes perpendicularly through sensor after limit shaft and two axis of guides
Pipe is placed, the tape measure lower end is connected with column sensor, and the column sensor base is installed with conductivity probe, described
There is ultrasonic probe in conductivity probe, the tape measure includes circuit in wire connection column sensor.
Further improvement of the present invention, the sensor places bottom of the tube positioning seat, sets the convenient positioning of positioning seat.
Further improvement of the present invention, the column sensor is made of stainless steel material, in order to improve service life
Need to be made of stainless steel material.
Further improvement of the present invention, is provided with precaution device in the column sensor upper end, the precaution device is signal
Lamp or buzzer, measure can be used precaution device to be reminded for convenience.
Further improvement of the present invention, has handle on the upper side edge of the housing, for the ease of grasping settable handle.
The present invention provides a kind of oil tank interface detection method based on ultrasonic velocity and liquid medium resistance, and specific steps are such as
Under：
Step one, dead-center position is retracted to by tape measure；
Sensor, is positioned over oil tank mouthful position by step 2；
Step 3, starts sensor signal detection, and slowly transfer sensor；
Step 4, sensor probe is in air during beginning, and the ultrasonic velocity of ultrasonic probe measurement is 340m/s, electrical conductivity
The resistance value that probe is measured is more than 100K Ω；When sensor base probe, enter from air when in the oil of liquid upper, ultrasonic wave
The ultrasonic velocity of probe measurement will be changed into 1000m/s from 340m/s；Conductivity probe signal is kept intact；Now in sensor body
In microprocessor signal is spread out of by the wire in tape measure, start precaution device, when gauger determines that precaution device has activity, note
Record now tape measure reading H1, as distance of the tank mouth to pasta；Continue to transfer tape measure, when probe enters in water from oil, i.e.,
During by oil-water interfaces, now ultrasonic probe signal is kept intact, and conductivity probe resistance drastically drops to below 10K,
Now the microprocessor in sensor spreads out of signal, and starts precaution device, when gauger determines that precaution device has activity, records
Now tape measure reading H2, you can terminate measurement；
Step 5, respective media section situation in oil tank is obtained by following computing formula；
a）Tank mouth to pasta distance be H1,
b）The height of oil is H2-H1 in tank,
c）The height of tank reclaimed water is H0-H2, and wherein H0 is that oil tank is always high.
Further improvement of the present invention, sensor fixed form is hand-held in step 2, can during the use of this equipment
It is fixed also dependent on needing to be fixed using other modes using handle.
The present invention provides a kind of oil tank Interface detection device and method based on ultrasonic velocity and liquid medium resistance, detection
Device sensor main part is a stainless steel cylinder, and ultrasonic probe and conductivity probe are arranged on the bottom of body of stainless steel
Portion, sensor main body connection tape measure, and tape measure is wound on tape measure reel, can as needed place corresponding position, tape measure
Through the axis of guide, make tape measure and transducer body portion all in vertical state, wire included in tape measure, for connecting sensor body in
Circuit, and signal is uploaded to tank mouth, the simple operations of this device structure are convenient, and two interfaces of an equipment can be detected,
Substantially increase detection height and precision.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is detects schematic diagram of the present invention；
Illustrate:
1st, handle；2nd, housing；3rd, tape measure reel；4th, limit shaft；5th, tape measure；6th, the axis of guide；7th, sensor places pipe；8th, it is fixed
Position seat；9th, column sensor；10th, conductivity probe；11st, ultrasonic probe.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
The present invention provides a kind of oil tank Interface detection device and method based on ultrasonic velocity and liquid medium resistance, device structure
Simple operations are convenient to be used for air-oil Interface detection by ultrasonic probe, and conductivity probe is detected for oil-water interface,
So as to two interfaces of an equipment can be detected, precision and efficiency of detecting is substantially increased.
It is an embodiment of the present invention, the present invention provides a kind of oil tank interface based on ultrasonic velocity and liquid medium resistance
Testing equipment, including housing 2, tape measure reel 3, tape measure 5, sensor place pipe 7, column sensor 9, the and of conductivity probe 10
Ultrasonic probe 11, the lower end of the housing 2 is connected with sensor and places pipe 7, and there are tape measure reel 3, the skin in the middle part of the housing 2
Being full of on chi reel 3 in tape measure 5, the housing 2 has a limit shaft 4 and a pair of axis of guides 6, and the tape measure 5 is through limit shaft 4
Pipe 7 is placed with sensor is passed perpendicularly through after two axis of guides 6, the lower end of the tape measure 5 is connected with column sensor 9, and the column is passed
The bottom of sensor 9 is installed with conductivity probe 10, the conductivity probe 10 ultrasonic probe 11, in the tape measure 5
Containing circuit in wire connection column sensor 9.
Used as a kind of specific embodiment of the invention, the present invention provides one kind as shown in Figure 1 and is based on ultrasonic velocity and liquid
The oil tank Interface detection equipment of dielectric resistance, including housing 2, tape measure reel 3, tape measure 5, sensor place pipe 7, column sensing
Device 9, conductivity probe 10 and ultrasonic probe 11, there is handle 1 on the upper side edge of the housing 2, settable for the ease of grasping
Handle, the lower end of the housing 2 is connected with sensor and places pipe 7, and the sensor places the bottom of pipe 7 positioning seat 8, sets positioning seat
There is tape measure reel 3 at convenient positioning, the middle part of the housing 2, and being full of on the tape measure reel 3 in tape measure 5, the housing 2 has
One limit shaft 4 and a pair of axis of guides 6, the tape measure 5 pass perpendicularly through sensor placement after limit shaft 4 and two axis of guides 6
Pipe 7, the lower end of the tape measure 5 is connected with column sensor 9, and the column sensor 9 is made of stainless steel material, made to improve
Need to be made of stainless steel material with the life-span, precaution device is provided with the upper end of column sensor 9, the precaution device is signal
Lamp or buzzer, measure can be used precaution device to be reminded for convenience, and the bottom of column sensor 9 is installed with electricity
Conductance probe 10, there is ultrasonic probe 11 in the conductivity probe 10, the tape measure 5 includes wire connection column sensor 9
Interior circuit.
Oil tank interface detection method of the present invention based on ultrasonic velocity and liquid medium resistance, specific steps as shown in Figure 2
It is as follows：
Step one, dead-center position is retracted to by tape measure；
Sensor, is positioned over oil tank mouthful position by step 2, and sensor fixed form is hand-held；
Step 3, starts sensor signal detection, and slowly transfer sensor；
Step 4, sensor probe is in air during beginning, and the ultrasonic velocity of ultrasonic probe measurement is 340m/s, electrical conductivity
The resistance value that probe is measured is more than 100K Ω；When sensor base probe, enter from air when in the oil of liquid upper, ultrasonic wave
The ultrasonic velocity of probe measurement will be changed into 1000m/s from 340m/s；Conductivity probe signal is kept intact；Now in sensor body
In microprocessor signal is spread out of by the wire in tape measure, start precaution device, when gauger determines that precaution device has activity, note
Record now tape measure reading H1, as distance of the tank mouth to pasta；Continue to transfer tape measure, when probe enters in water from oil, i.e.,
During by oil-water interfaces, now ultrasonic probe signal is kept intact, and conductivity probe resistance drastically drops to below 10K,
Now the microprocessor in sensor spreads out of signal, and starts precaution device, when gauger determines that precaution device has activity, records
Now tape measure reading H2, you can terminate measurement；
Step 5, respective media section situation in oil tank is obtained by following computing formula；
a）Tank mouth to pasta distance be H1,
b）The height of oil is H2-H1 in tank,
c）The height of tank reclaimed water is H0-H2, and wherein H0 is that oil tank is always high.
Its general principles are as follows：
1）Air-oil Interface detection；
Spread speed is about 340m/s to ultrasonic wave in atmosphere, and spread speed is about in oil>1000m/s（Different oil product speed
Degree has difference）, the spread speed in water is about 1500m/s, it can be seen that spread speed of the ultrasonic wave in air and liquid
Difference is very big.The present invention detects air-oil interface using the method for detection ultrasonic propagation velocity, is examined using a device
The speed of ultrasonic wave is surveyed, when velocity jump is detected, i.e., explanation detects sky when entering into more than 1000m/s from 340m/s
Gas-oil contact.
2）Oil-water interface is detected；
The electrical conductivity of water is 2000us/cm, the electrical conductivity of oil about in 55us/cm, so it is generally acknowledged that water is electrically conductive, and oily
It is non-conductive.The present invention detects oil-water interface using the method for detection liquid resistivity, and liquid electric is detected using a device
Conductance, when electrical conductivity mutation is detected, illustrates to detect oil-water interface.
The above, is only presently preferred embodiments of the present invention, is not the limit for making any other form to the present invention
System, and any modification for being made according to technical spirit of the invention or equivalent variations, still fall within model required for protection of the invention
Enclose.
Claims (8)
1. the oil tank Interface detection equipment based on ultrasonic velocity and liquid medium resistance, including housing（2）, tape measure reel（3）、
Tape measure（5）, sensor place pipe（7）, column sensor（9）, conductivity probe（10）And ultrasonic probe（11）, its feature exists
In：The housing（2）Lower end is connected with sensor and places pipe（7）, the housing（2）There is tape measure reel at middle part（3）, the tape measure
Reel（3）On be full of tape measure（5）, the housing（2）Inside there is a limit shaft（4）With a pair of axis of guides（6）, the tape measure
（5）Through limit shaft（4）With two axis of guides（6）After pass perpendicularly through sensor place pipe（7）, the tape measure（5）Lower end is connected with post
Shape sensor（9）, the column sensor（9）Bottom is installed with conductivity probe（10）, the conductivity probe（10）
Inside there is ultrasonic probe（11）, the tape measure（5）Include wire connection column sensor（9）Interior circuit.
2. the oil tank Interface detection equipment based on ultrasonic velocity and liquid medium resistance according to claim 1, its feature
It is：The sensor places pipe（7）Positioning seat is arranged at bottom（8）.
3. the oil tank Interface detection equipment based on ultrasonic velocity and liquid medium resistance according to claim 1, its feature
It is：The column sensor（9）It is made of stainless steel material.
4. the oil tank Interface detection equipment based on ultrasonic velocity and liquid medium resistance according to claim 1, its feature
It is：The column sensor（9）Precaution device is provided with upper end.
5. the oil tank Interface detection equipment based on ultrasonic velocity and liquid medium resistance according to claim 4, its feature
It is：The precaution device is signal lamp or buzzer.
6. the oil tank Interface detection equipment based on ultrasonic velocity and liquid medium resistance according to claim 1, its feature
It is：The housing（2）Upper side edge on have handle（1）.
7. the oil tank interface detection method based on ultrasonic velocity and liquid medium resistance, comprises the following steps that, it is characterised in that：
Step one, dead-center position is retracted to by tape measure；
Sensor, is positioned over oil tank mouthful position by step 2；
Step 3, starts sensor signal detection, and slowly transfer sensor；
Step 4, sensor probe is in air during beginning, and the ultrasonic velocity of ultrasonic probe measurement is 340m/s, electrical conductivity
The resistance value that probe is measured is more than 100K Ω；When sensor base probe, enter from air when in the oil of liquid upper, ultrasonic wave
The ultrasonic velocity of probe measurement will be changed into 1000m/s from 340m/s；Conductivity probe signal is kept intact；Now in sensor body
In microprocessor signal is spread out of by the wire in tape measure, start precaution device, when gauger determines that precaution device has activity, note
Record now tape measure reading H1, as distance of the tank mouth to pasta；Continue to transfer tape measure, when probe enters in water from oil, i.e.,
During by oil-water interfaces, now ultrasonic probe signal is kept intact, and conductivity probe resistance drastically drops to below 10K,
Now the microprocessor in sensor spreads out of signal, and starts precaution device, when gauger determines that precaution device has activity, records
Now tape measure reading H2, you can terminate measurement；
Step 5, respective media section situation in oil tank is obtained by following computing formula；
a）Tank mouth to pasta distance be H1,
b）The height of oil is H2-H1 in tank,
c）The height of tank reclaimed water is H0-H2, and wherein H0 is that oil tank is always high.
8. the oil tank interface detection method based on ultrasonic velocity and liquid medium resistance according to claim 7, its feature
It is：Sensor fixed form is hand-held in step 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150305.6A CN106768185A (en) | 2016-12-14 | 2016-12-14 | Oil tank Interface detection device and method based on ultrasonic velocity and liquid medium resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150305.6A CN106768185A (en) | 2016-12-14 | 2016-12-14 | Oil tank Interface detection device and method based on ultrasonic velocity and liquid medium resistance |
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| Publication Number | Publication Date |
|---|---|
| CN106768185A true CN106768185A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611150305.6A Pending CN106768185A (en) | 2016-12-14 | 2016-12-14 | Oil tank Interface detection device and method based on ultrasonic velocity and liquid medium resistance |
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| CN (1) | CN106768185A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU190040U1 (en) * | 2019-03-12 | 2019-06-17 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный университет" | A device for determining the levels of produced water and oil in the tank |
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| CN1491345A (en) * | 2001-02-07 | 2004-04-21 | 4泰克公司 | Level gauge for measuring amount of liquid in tank |
| CN200979437Y (en) * | 2006-11-18 | 2007-11-21 | 杨宁 | An oil measuring ruler with a resistance measuring device |
| CN103425067A (en) * | 2013-06-24 | 2013-12-04 | 高翔 | System for utilizing sound velocity difference to recognize liquid medium with different proportion and control discharging of liquid medium |
| CN103926112A (en) * | 2014-04-22 | 2014-07-16 | 同济大学 | Method and device capable of measuring water level and in-situ dissolved oxygen and collecting underground water at different depths |
| CN103954332A (en) * | 2014-05-21 | 2014-07-30 | 范明军 | Liquid level meter floater with oil-water interface measuring function |
| CN104215293A (en) * | 2014-08-22 | 2014-12-17 | 江苏远望仪器有限公司 | Digital display type oil-water interface detector based on rotation angle sensor |
| CN205066876U (en) * | 2015-09-17 | 2016-03-02 | 鞍钢股份有限公司 | Device for measuring tar and ammonia water separation interface |
| CN205228588U (en) * | 2015-12-16 | 2016-05-11 | 中国石油化工股份有限公司 | Device based on interior oil -water interface of oil tank is confirmed to antenna characteristic |
| CN106013160A (en) * | 2016-06-29 | 2016-10-12 | 江苏中海昇物联科技有限公司 | Cast-in-place concrete pile grouting height control device and using method thereof |
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- 2016-12-14 CN CN201611150305.6A patent/CN106768185A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069123A (en) * | 1991-07-29 | 1993-02-17 | 基·雷/森索尔有限公司 | Time gate ultrasonic sensor and method |
| CN1491345A (en) * | 2001-02-07 | 2004-04-21 | 4泰克公司 | Level gauge for measuring amount of liquid in tank |
| CN2533453Y (en) * | 2002-03-20 | 2003-01-29 | 武汉大学 | Water level sensor |
| CN200979437Y (en) * | 2006-11-18 | 2007-11-21 | 杨宁 | An oil measuring ruler with a resistance measuring device |
| CN103425067A (en) * | 2013-06-24 | 2013-12-04 | 高翔 | System for utilizing sound velocity difference to recognize liquid medium with different proportion and control discharging of liquid medium |
| CN103926112A (en) * | 2014-04-22 | 2014-07-16 | 同济大学 | Method and device capable of measuring water level and in-situ dissolved oxygen and collecting underground water at different depths |
| CN103954332A (en) * | 2014-05-21 | 2014-07-30 | 范明军 | Liquid level meter floater with oil-water interface measuring function |
| CN104215293A (en) * | 2014-08-22 | 2014-12-17 | 江苏远望仪器有限公司 | Digital display type oil-water interface detector based on rotation angle sensor |
| CN205066876U (en) * | 2015-09-17 | 2016-03-02 | 鞍钢股份有限公司 | Device for measuring tar and ammonia water separation interface |
| CN205228588U (en) * | 2015-12-16 | 2016-05-11 | 中国石油化工股份有限公司 | Device based on interior oil -water interface of oil tank is confirmed to antenna characteristic |
| CN106013160A (en) * | 2016-06-29 | 2016-10-12 | 江苏中海昇物联科技有限公司 | Cast-in-place concrete pile grouting height control device and using method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU190040U1 (en) * | 2019-03-12 | 2019-06-17 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный университет" | A device for determining the levels of produced water and oil in the tank |
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Application publication date: 20170531 |