CN107270936A - A kind of hydrostatic level calibrating installation based on measurements by laser interferometry - Google Patents
A kind of hydrostatic level calibrating installation based on measurements by laser interferometry Download PDFInfo
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- CN107270936A CN107270936A CN201710403095.5A CN201710403095A CN107270936A CN 107270936 A CN107270936 A CN 107270936A CN 201710403095 A CN201710403095 A CN 201710403095A CN 107270936 A CN107270936 A CN 107270936A
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- Prior art keywords
- storage tank
- aqua storage
- hydrostatic level
- laser
- level
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of hydrostatic level calibrating installation based on measurements by laser interferometry, belong to metrology and measurement field.Including aqua storage tank(1), aqua storage tank(7), connect aqua storage tank(1)And aqua storage tank(7)Hydraulic fluid connecting tube(2), optical reference mirror(3), guide rail(4), support(5), laser(6), hydrostatic level(8), platform(9), connect hydrostatic level(8)And aqua storage tank(7)Hydraulic fluid connecting tube(10), water pump(11), liquid level positioning is with monitoring sensor(12), optical measurement mirror(13)Deng.By the mutual cooperation between all parts, the calibration to hydrostatic level is realized.The present invention is simple in construction, and precision is high, can meet the demarcation and calibration of hydrostatic level.
Description
Technical field
The present invention relates to a kind of calibrating installation of hydrostatic level, belong to metrology and measurement field, be mainly used in static level
The detection and calibration of instrument.
Background technology
Hydrostatic level is mainly used in measuring the measurement apparatus of the position sedimentation situation of point-to-point transmission or multi-point.Using connection
Device principle, is consistent multi-point liquid level, so as to realize the detection of high-precision relative position.It is real that it is widely used in heavy construction
Apply, the relative settlement as caused by the buildings such as bridge, tunnel, power station and internal structure deformation is detected.
The calibration method of current hydrostatic level and measurement apparatus do not form arranged standard still, the demarcation of such product and
The technical method and device for calibrating enterprise and metrological service's use are more deficient, and common problem is that measurement accuracy is inadequate
It is high, it is difficult to meet current demarcation and calibration requirements, be especially the absence of can be achieved the metrological standard unit of high-precision magnitude tracing.
The content of the invention
The present invention relates to a kind of calibrating installation of hydrostatic level, belong to metrology and measurement field, be mainly used in static level
The detection and calibration of instrument.Hydrostatic level is widely used, to meet the demarcation and calibration of high-precision hydrostatic level technical indicator
Need, devise a kind of calibrating installation of high-precision hydrostatic level.
The device includes aqua storage tank(1), aqua storage tank(7), connect aqua storage tank(1)And aqua storage tank(7)Hydraulic fluid connection
Pipe(2), optical reference mirror(3), guide rail(4), support(5), laser(6), hydrostatic level(8), platform(9), connect static(al)
Spirit level(8)And aqua storage tank(7)Hydraulic fluid connecting tube(10), water pump(11), liquid level positioning is with monitoring sensor(12), light
Learn measurement mirror(13)Deng.
Optical measurement mirror(13)Positioned with liquid level with monitoring sensor(12)As being integrally attached to guide rail(4)Lower end,
Laser(6), optical reference mirror(3)With optical measurement mirror(13)Form laser interferometry light path.Laser interferometry light path
Positioned with liquid level with monitoring sensor(12)Measuring system is bonded, aqua storage tank is measured(7)In operating fluid level height become
Change.Utilize law of connected vessels, operating fluid level aqua storage tank(7)With the container of hydrostatic level(82)In liquid level realize etc. height.
Therefore, by changing and measuring aqua storage tank(7)Liquid level, and then realize to hydrostatic level(8)Liquid level calibration.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the hydrostatic level calibrating installation based on measurements by laser interferometry.
Fig. 2 is a kind of profile of the hydrostatic level calibrating installation based on measurements by laser interferometry.
Label title in figure:1st, aqua storage tank;2nd, hydraulic fluid connecting tube;3rd, optical reference mirror;4th, guide rail;5th, support;6、
Laser;7th, aqua storage tank;8th, hydrostatic level;81st, the displacement transducer of hydrostatic level;82nd, the container of hydrostatic level;
83rd, the float of hydrostatic level;9th, platform;10th, hydraulic fluid connecting tube;11st, water pump;12nd, liquid level positioning and monitoring sensor;
13rd, optical measurement mirror.
Embodiment
A kind of hydrostatic level calibrating installation based on measurements by laser interferometry, category metrology and measurement field, is mainly used in quiet
The detection and calibration of power spirit level.Hydrostatic level is widely used, to meet the demarcation of high-precision hydrostatic level technical indicator
Needed with calibration, devise a kind of calibrating installation of hydrostatic level.
The embodiment of the present invention is described in further detail with reference to accompanying drawing.
Package unit is fixed on platform(9)On, water pump(11)Pass through hydraulic fluid connecting tube(2)Hydraulic fluid from
Aqua storage tank(1)It is extracted into aqua storage tank(7)In, aqua storage tank(7)In liquid level rise, or take out hydraulic fluid round about and make water storage
Groove(7)Liquid level is reduced.Due to hydraulic fluid connecting tube(10), aqua storage tank(7)And hydrostatic level(8)Linker is constituted, is passed through
Repeatedly measure aqua storage tank(7)The height of hydraulic fluid realizes the detection and calibration to hydrostatic level.
Liquid level is positioned and monitoring sensor(12)With laser(6)Optical measurement mirror(13)It is fixed together, and installs
In support(5)On, realize along guide rail(4)Slip and positioning in the height direction.
Laser(6)And its optical reference mirror(3)It is fixed on aqua storage tank(7)Top it is motionless, adjust guide rail(4)It is height
Position, makes liquid level positioning and monitoring sensor(12)Certain height is maintained at operating fluid level, by reading laser(6)With
Liquid level is positioned and monitoring sensor(12)Reading, to determine the elevation information of operating fluid level.The float of hydrostatic level(83)
Floated in operating fluid level, drive the float of hydrostatic level(83)The connecting rod of top floats or sunk, and passes through static level
The displacement transducer of instrument(81)Measure the height of operating fluid level.
When carrying out calibration, water pump(11)By aqua storage tank(1)Hydraulic fluid through connecting tube(2)It is pumped into or pumps out to storage
Tank(7)So that aqua storage tank(7)Liquid level change.In aqua storage tank(7)In liquid level stabilizing after, then adjust guide rail(4)'s
Highly, liquid level positioning and monitoring sensor are made(12)Height before this is maintained at operating fluid level, laser is then read(6)'s
Reading and liquid level positioning and monitoring sensor(12)Reading, using the two addition obtain and value as level gauging reference mark
Quasi- value, while reading the displacement transducer of hydrostatic level(81)Reading, be used as tested hydrostatic level(8)The measurement of liquid level
Value.In hydrostatic level(8)Range ability in, multiple liquid levels can be selected to be compared measurement, so as to realize static level
The demarcation and calibration of instrument.
The apparatus structure is simple, and measurement accuracy is high, meets abbe's principle, meets the demarcation and calibration of hydrostatic level.
Claims (5)
1. a kind of hydrostatic level calibrating installation based on measurements by laser interferometry, including aqua storage tank(1), aqua storage tank(7), connection
Aqua storage tank(1)And aqua storage tank(7)Hydraulic fluid connecting tube(2), optical reference mirror(3), guide rail(4), support(5), laser
(6), hydrostatic level(8), platform(9), connect hydrostatic level(8)And aqua storage tank(7)Hydraulic fluid connecting tube(10), water
Pump(11), liquid level positioning is with monitoring sensor(12), optical measurement mirror(13)Deng.
2. a kind of hydrostatic level calibrating installation based on measurements by laser interferometry according to right 1, it is characterised in that:Institute
State the aqua storage tank of device(1)It is to aqua storage tank(7)Draw water or reversely draw water.
3. a kind of hydrostatic level calibrating installation based on measurements by laser interferometry according to right 1, it is characterised in that:Institute
State liquid level positioning and the monitoring sensor of device(12)It is laser position sensors, capacitance sensor or current vortex sensor.
4. a kind of hydrostatic level calibrating installation based on measurements by laser interferometry according to right 1, it is characterised in that:Institute
State the laser of device(6)Positioned with liquid level with monitoring sensor(12), combine the measurement realized to liquid level position, measurement
Principle meets abbe's principle.
5. a kind of hydrostatic level calibrating installation based on measurements by laser interferometry according to right 1, it is characterised in that:Institute
State the support of device(5)It is to be used for laser(6)Fixation, for fixing guide rail(4)Sliding block, make guide rail(4)Can be along perpendicular
Nogata is to slip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710403095.5A CN107270936A (en) | 2017-06-01 | 2017-06-01 | A kind of hydrostatic level calibrating installation based on measurements by laser interferometry |
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CN201710403095.5A CN107270936A (en) | 2017-06-01 | 2017-06-01 | A kind of hydrostatic level calibrating installation based on measurements by laser interferometry |
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CN107270936A true CN107270936A (en) | 2017-10-20 |
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CN201710403095.5A Pending CN107270936A (en) | 2017-06-01 | 2017-06-01 | A kind of hydrostatic level calibrating installation based on measurements by laser interferometry |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110285836A (en) * | 2019-07-22 | 2019-09-27 | 湖南省计量检测研究院 | Inclination angle type hydrostatic level calibrating installation and calibration method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU781568A1 (en) * | 1978-01-30 | 1980-11-23 | Всесоюзный Дважды Ордена Трудового Красного Знамени Теплотехнический Научно-Исследовательский Институт Им. Ф.Э.Дзержинского | Hydrostatic level |
EP0026723B1 (en) * | 1979-09-14 | 1985-08-14 | Marcel Legris | Electric indicating level |
CN102478418A (en) * | 2011-04-29 | 2012-05-30 | 国家大容量第一计量站 | Novel method for measuring liquid level by combining laser interference technology and free-state floater |
US9273988B2 (en) * | 2013-08-22 | 2016-03-01 | Frank Olshefsky | Precision hydrostatic level and flatness measuring device, system and method |
-
2017
- 2017-06-01 CN CN201710403095.5A patent/CN107270936A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU781568A1 (en) * | 1978-01-30 | 1980-11-23 | Всесоюзный Дважды Ордена Трудового Красного Знамени Теплотехнический Научно-Исследовательский Институт Им. Ф.Э.Дзержинского | Hydrostatic level |
EP0026723B1 (en) * | 1979-09-14 | 1985-08-14 | Marcel Legris | Electric indicating level |
CN102478418A (en) * | 2011-04-29 | 2012-05-30 | 国家大容量第一计量站 | Novel method for measuring liquid level by combining laser interference technology and free-state floater |
US9273988B2 (en) * | 2013-08-22 | 2016-03-01 | Frank Olshefsky | Precision hydrostatic level and flatness measuring device, system and method |
Non-Patent Citations (1)
Title |
---|
余剑锋: "静力水准仪标定方法的研究", 《山西电子技术》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110285836A (en) * | 2019-07-22 | 2019-09-27 | 湖南省计量检测研究院 | Inclination angle type hydrostatic level calibrating installation and calibration method |
CN110285836B (en) * | 2019-07-22 | 2023-11-03 | 湖南省计量检测研究院 | Inclination angle type hydrostatic level calibrating device and calibrating method |
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