CN108426623A - A kind of piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system - Google Patents
A kind of piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system Download PDFInfo
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- CN108426623A CN108426623A CN201810640166.8A CN201810640166A CN108426623A CN 108426623 A CN108426623 A CN 108426623A CN 201810640166 A CN201810640166 A CN 201810640166A CN 108426623 A CN108426623 A CN 108426623A
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- ultrasonic transducer
- probing shell
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- pointer
- side wall
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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
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- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention provides a kind of piston type ultrasonic probes for non-invasive ultrasonic liquid-level measurement system, including ultrasonic transducer, ultrasonic transducer is located in probing shell, the upper bottom of probing shell is equipped with the through-hole passed through for ultrasonic transducer, ultrasonic transducer side wall is equipped with convex barrier portion, the through-hole edge at bottom is equipped with sliding block or sliding rail on probing shell, ultrasonic transducer side wall is equipped with sliding rail or sliding block, ultrasonic transducer is slided up and down by the cooperation of sliding rail and sliding block in probing shell, ultrasonic transducer side wall is equipped with coupling dynamics pointer, probing shell is equipped with clear area, clear area is labeled with graduation mark, probing shell bottom is equipped with compression spring, the bottom of probing shell is equipped with the wire guide passed through for the conducting wire of ultrasonic transducer.The present invention utilizes the initial position that coupling dynamics pointer record ultrasonic transducer measures, and ensures that coupling dynamics pointer meaning scale is constant in measurement process, you can ensures that coupling dynamics is identical.
Description
Technical field
The present invention relates to a kind of piston type ultrasonic probes for non-invasive ultrasonic liquid-level measurement system, belong to ultrasound
Wave technical field of liquid level measurement.
Background technology
Ultrasonic wave refers to that frequency is higher than 20KHz, a kind of mechanical oscillation propagated in elastic fluid.Since it is with direction
The advantages that property is good, penetration power is strong, energy is high, ultrasonic wave is widely used in the fields such as machine-building, petrochemical industry, aerospace
Test measure in.
The strong characteristic of penetrability since the wavelength of ultrasonic wave is shorter than general sound wave, and in the medium so that ultrasonic wave
It can be applied to flaw detection, thickness measuring, ranging, measure in the technical fields such as liquid level and ultrasonic imaging.
Application of the ultrasonic wave in liquid level measurement, mainly utilizes reflection, refraction, decaying of ultrasonic wave etc. physical
Matter realizes the purpose of detection.Common measurement method can distinguish two classes, and one kind is immersion measurement, when measuring need in advance by
Ultrasonic probe is put by the container of side；Another kind of is non-immersion measurement, and need to probe tested container be against when measuring
On surface.In recent years, non-invasive ultrasonic measurement system is widely used.
The propagation of ultrasonic wave can be influenced by propagation medium, and mainly Absorption of Medium is decayed, and the medium coefficient of viscosity is bigger,
Ultrasonic frequency is bigger, and decaying is more serious；Media density is bigger, and velocity of wave is bigger in medium, and medium temperature is higher, and decaying is just light.
So when measuring liquid level in a certain container using ultrasonic wave, generally require to apply one layer on the surface of tested container
Couplant, and ultrasonic probe pressing is popped one's head in and to squeeze by between the container of side on the container outer wall after daubing coupling agent
Air, avoid ultrasonic wave from directly attenuating in air.
The method of currently used transmitting ultrasonic wave is the principle using the piezoelectric effect and inverse piezoelectric effect of piezo-electric crystal
To realize the mutual conversion of electric energy and ultrasound energy.When being measured to the liquid level in container using this ultrasonic probe, need
Probe pressing constantly to be moved on the vessel surface for smeared couplant and on vessel surface with certain dynamics, in this way
It is easy for causing degree of coupling of the ultrasonic probe at vessel surface different location inconsistent, to influence the essence of measurement result
Degree and reliability.
Invention content
In order to solve non-invasive ultrasonic liquid level measuring system in measurement process, need to make ultrasonic probe tested
Vessel surface constantly moves, caused ultrasonic probe with by the inconsistent measurement result brought of side vessel surface degree of coupling
The problems such as precision is low, poor reliability, the present invention provides a kind of piston types for non-invasive ultrasonic liquid-level measurement system
Ultrasonic probe ensures coupling using the initial position of coupling dynamics pointer record ultrasonic transducer measurement in measurement process
Dynamics pointer meaning scale is constant, you can ensures that coupling dynamics is identical.
The present invention is technical solution used by solving its technical problem：It provides a kind of for non-invasive ultrasound liquid
The piston type ultrasonic probe of level measuring system, including ultrasonic transducer, the ultrasonic transducer are located in probing shell,
Probing shell is both ends tubular with the end, and the upper bottom of the probing shell is equipped with the through-hole passed through for ultrasonic transducer, surpasses
The through-hole edge that acoustic wave transducer side wall is equipped with the bottom in the convex barrier portion of beneath side on probing shell, probing shell is equipped with
The convex barrier portion top of sliding block or sliding rail, ultrasonic transducer side wall is equipped with sliding rail or sliding block, and ultrasonic transducer passes through cunning
The cooperation of rail and sliding block slides up and down in probing shell, is equipped with to be directed toward below the convex barrier portion of ultrasonic transducer side wall and visit
The coupling dynamics pointer of the inner wall of head shell, probing shell are equipped with the clear area for observing coupling dynamics pointer, clear area mark
It is marked with graduation mark, probing shell bottom is equipped with compression spring, and the both ends of compression spring are connected to bottom and the probe of ultrasonic transducer
The bottom of shell, the bottom of probing shell are equipped with the wire guide passed through for the conducting wire of ultrasonic transducer.
The sliding rail of the ultrasonic transducer side wall or the quantity of sliding block are two or more, and sliding rail or sliding block are along ultrasonic waves
Energy device is circumferentially uniformly distributed.
The coupling dynamics pointer is connected to the side wall of ultrasonic transducer by pointer guider, and the pointer is oriented to
Device includes the first rack being fixed below the convex barrier portion of ultrasonic transducer side wall, the center engaged with the first rack
The back side of the fixed gear in position and the second rack engaged with gear, the second rack is equipped with guide rail or guide pad, the spy
The inner wall of head shell is equipped with guide pad or guide rail, and the second rack glides by the way that the cooperation of guide pad and guide rail is upper in probing shell
Dynamic, the coupling dynamics pointer is fixed on the second rack.
The center of the gear is interspersed with fixed link, and the inner wall of probing shell is fixed at the both ends of fixed link.
The present invention is based on advantageous effects possessed by its technical solution to be：
(1) a kind of piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system provided by the invention,
Be improved on the basis of tradition probe, by between ultrasonic transducer and probing shell in such a way that sliding rail and sliding block coordinate it is real
Existing ultrasonic transducer moves up and down, and setting compression spring is to realize ultrasonic wave between ultrasonic transducer bottom and probing shell bottom
Transducer position is sprung back, and convex barrier portion, which is arranged, prevents ultrasonic transducer from popping up probing shell completely, in measurement process
Using the position of coupling dynamics pointer record ultrasonic transducer, ensure that coupling dynamics pointer meaning scale is always positioned at initial bit
It sets constant, you can ensure that coupling dynamics is identical, it is easy to operate；
(2) a kind of piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system provided by the invention surpasses
It realizes that ultrasonic transducer moves up and down in such a way that sliding rail and sliding block coordinate between acoustic wave transducer and probing shell, makes ultrasound
Wave transducer is fixed on moving on rails, avoids ultrasonic transducer and rotates freely the measurement error brought when measuring；
(3) a kind of piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system provided by the invention surpasses
Setting compression spring makes ultrasonic waves to realize that ultrasonic transducer position is sprung back between acoustic wave transducer bottom and probing shell bottom
Energy device is automatically moved back to initial position in no outer force effect；
(4) a kind of piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system provided by the invention surpasses
The sliding rail of acoustic wave transducer side wall or the quantity of sliding block may be configured as two or more, and sliding rail or sliding block are along ultrasonic transducer week
To being uniformly distributed, enhance the stability of ultrasonic transducer orbital motion, improves measuring accuracy；
(5) a kind of piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system provided by the invention, coupling
Resultant force degree pointer can be connected to the side wall of ultrasonic transducer by pointer guider, using matching between rack, gear
The stability for closing enhancing acoustic wave transducer orbital motion, further increases measuring accuracy；
(6) a kind of piston type ultrasonic probe structure for non-invasive ultrasonic liquid-level measurement system provided by the invention
Simply, at low cost, detection error, the effect of detection can be avoided good and easy to operate.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system.
Fig. 2 is a kind of schematic top plan view of the piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system.
Fig. 3 is provided with a kind of piston type ultrasonic wave for non-invasive ultrasonic liquid-level measurement system of pointer guider
The structural schematic diagram of probe.
In figure：1- ultrasonic transducers, 2- convex barriers portion, 3- probing shells, the clear areas 4-, 5- compression springs, 6- conducting wires, 7-
Coupling dynamics pointer, 8- wire guides, 9- sliding blocks, 10- sliding rails, 11- through-holes, the upper bottoms 12-, the bottoms 13-, 14- fixed links, 15- teeth
Wheel, the first racks of 16-, the second racks of 17-.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
The present invention provides a kind of piston type ultrasonic probes for non-invasive ultrasonic liquid-level measurement system, with reference to figure
1 and Fig. 2, including ultrasonic transducer 1, the ultrasonic transducer 1 are located in probing shell 3, and probing shell 3, which is both ends, bottom
Tubular, the upper bottom 12 of the probing shell 3 is equipped with the through-hole 11 passed through for ultrasonic transducer, ultrasonic transducer side wall
Convex barrier portion 2 equipped with the beneath side on probing shell 3, the through-hole edge at bottom is equipped with sliding block or sliding rail on probing shell 3,
Sliding rail or sliding block are equipped with above the convex barrier portion of ultrasonic transducer side wall.
With reference to Fig. 2, sliding rail 10 may be disposed at the side wall of ultrasonic transducer 1, and the upper bottom through-hole edge of probing shell 3 is corresponding
The inwardly protruding formation sliding block in position 9.Also can be oppositely arranged, the upper bottom through-hole edge of probing shell is recessed inwardly to form sliding rail, together
When ultrasonic transducer side wall corresponding position outwardly convex form sliding block, to realize that ultrasonic transducer passes through sliding rail and cunning
The cooperation of block slides up and down in probing shell.
The coupling dynamics pointer for the inner wall for being directed toward probing shell is equipped with below the convex barrier portion of ultrasonic transducer side wall
7, probing shell 3 is equipped with the clear area 4 for observing coupling dynamics pointer, and clear area is labeled with graduation mark, probing shell bottom
Equipped with compression spring 5, the both ends of compression spring are connected to the bottom of ultrasonic transducer 1 and the bottom 13 of probing shell 3, probing shell
Bottom be equipped with the wire guide 8 that passes through of conducting wire 6 for ultrasonic transducer.
The sliding rail of the ultrasonic transducer side wall or the quantity of sliding block are two or more, and sliding rail or sliding block are along ultrasonic waves
Energy device is circumferentially uniformly distributed, and to enhance the stability of ultrasonic transducer orbital motion, improves measuring accuracy
With reference to Fig. 3, the coupling dynamics pointer can be connected to the side wall of ultrasonic transducer, institute by pointer guider
It includes the first rack 16 and the first tooth being fixed below the convex barrier portion of ultrasonic transducer side wall to state pointer guider
The fixed gear 15 in center of item engagement and the second rack 17 engaged with gear, the back side of the second rack are equipped with guide rail
Or guide pad, the inner wall of the probing shell are equipped with guide pad or guide rail, the second rack is existed by the cooperation of guide pad and guide rail
It is slided up and down in probing shell, the coupling dynamics pointer 7 is fixed on the second rack.Coupling dynamics pointer can be individual
Acicular texture can also be selected with the visable indicia on the second rack to play indicative function.
The center of the gear is interspersed with fixed link 14, and the inner wall of probing shell is fixed at the both ends of fixed link.
A kind of piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system provided by the invention, utilizes coupling
The initial position that resultant force degree pointer record ultrasonic transducer measures ensures coupling dynamics pointer meaning scale not in measurement process
Become, you can ensure that coupling dynamics is identical.
Claims (4)
1. a kind of piston type ultrasonic probe for non-invasive ultrasonic liquid-level measurement system, including ultrasonic transducer,
It is characterized in that：The ultrasonic transducer is located in probing shell, and probing shell is both ends tubular with the end, the probing shell
Upper bottom be equipped with the through-hole passed through for ultrasonic transducer, ultrasonic transducer side wall, which is equipped with, is located at beneath side on probing shell
Convex barrier portion, the through-hole edge at bottom is equipped with sliding block or sliding rail, the convex barrier of ultrasonic transducer side wall on probing shell
Sliding rail or sliding block are equipped with above portion, ultrasonic transducer is slided up and down by the cooperation of sliding rail and sliding block in probing shell, is surpassed
The coupling dynamics pointer for the inner wall for being directed toward probing shell is equipped with below the convex barrier portion of acoustic wave transducer side wall, probing shell is set
It is useful for the clear area of observation coupling dynamics pointer, clear area is labeled with graduation mark, and probing shell bottom is equipped with compression spring, compression spring
Both ends are connected to the bottom of ultrasonic transducer and the bottom of probing shell, and the bottom of probing shell, which is equipped with, is used for ultrasonic wave
The wire guide that the conducting wire of energy converter passes through.
2. the piston type ultrasonic probe according to claim 1 for non-invasive ultrasonic liquid-level measurement system, special
Sign is：The sliding rail of the ultrasonic transducer side wall or the quantity of sliding block are two or more, and sliding rail or sliding block are along ultrasonic waves
Energy device is circumferentially uniformly distributed.
3. the piston type ultrasonic probe according to claim 1 for non-invasive ultrasonic liquid-level measurement system, special
Sign is：The coupling dynamics pointer is connected to the side wall of ultrasonic transducer by pointer guider, and the pointer is oriented to
Device includes the first rack being fixed below the convex barrier portion of ultrasonic transducer side wall, the center engaged with the first rack
The back side of the fixed gear in position and the second rack engaged with gear, the second rack is equipped with guide rail or guide pad, the spy
The inner wall of head shell is equipped with guide pad or guide rail, and the second rack glides by the way that the cooperation of guide pad and guide rail is upper in probing shell
Dynamic, the coupling dynamics pointer is fixed on the second rack.
4. the piston type ultrasonic probe according to claim 3 for non-invasive ultrasonic liquid-level measurement system, special
Sign is：The center of the gear is interspersed with fixed link, and the inner wall of probing shell is fixed at the both ends of fixed link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640166.8A CN108426623B (en) | 2018-06-21 | 2018-06-21 | Piston type ultrasonic probe for non-immersion type ultrasonic liquid level measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640166.8A CN108426623B (en) | 2018-06-21 | 2018-06-21 | Piston type ultrasonic probe for non-immersion type ultrasonic liquid level measurement system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108426623A true CN108426623A (en) | 2018-08-21 |
| CN108426623B CN108426623B (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810640166.8A Active CN108426623B (en) | 2018-06-21 | 2018-06-21 | Piston type ultrasonic probe for non-immersion type ultrasonic liquid level measurement system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108426623B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3771117A (en) * | 1972-03-01 | 1973-11-06 | Westinghouse Electric Corp | Transducer installation |
| US4746831A (en) * | 1985-03-27 | 1988-05-24 | Kaijo Denki Co., Ltd. | Ultrasonic transreceiver |
| CN201218808Y (en) * | 2008-06-23 | 2009-04-08 | 宝山钢铁股份有限公司 | Position adjustment device used for supersonic inspection apparatus |
| CN202452960U (en) * | 2011-11-26 | 2012-09-26 | 内蒙古北方重工业集团有限公司 | Full-automatic ultrasonic thickness measurement device |
| CN202533412U (en) * | 2012-04-18 | 2012-11-14 | 武汉钢铁(集团)公司 | Adjustable probe box for probes |
| CN107576362A (en) * | 2017-09-21 | 2018-01-12 | 镇江龙逸电子科技有限公司 | A kind of servicing unit of external-clamping type ultrasonic flowmeter |
| CN207074184U (en) * | 2017-06-09 | 2018-03-06 | 郑州市中医院 | Variable-angle ultrasonic probe |
-
2018
- 2018-06-21 CN CN201810640166.8A patent/CN108426623B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3771117A (en) * | 1972-03-01 | 1973-11-06 | Westinghouse Electric Corp | Transducer installation |
| US4746831A (en) * | 1985-03-27 | 1988-05-24 | Kaijo Denki Co., Ltd. | Ultrasonic transreceiver |
| CN201218808Y (en) * | 2008-06-23 | 2009-04-08 | 宝山钢铁股份有限公司 | Position adjustment device used for supersonic inspection apparatus |
| CN202452960U (en) * | 2011-11-26 | 2012-09-26 | 内蒙古北方重工业集团有限公司 | Full-automatic ultrasonic thickness measurement device |
| CN202533412U (en) * | 2012-04-18 | 2012-11-14 | 武汉钢铁(集团)公司 | Adjustable probe box for probes |
| CN207074184U (en) * | 2017-06-09 | 2018-03-06 | 郑州市中医院 | Variable-angle ultrasonic probe |
| CN107576362A (en) * | 2017-09-21 | 2018-01-12 | 镇江龙逸电子科技有限公司 | A kind of servicing unit of external-clamping type ultrasonic flowmeter |
Non-Patent Citations (1)
| Title |
|---|
| 祁杰等: "基于超声波阵列的钻杆接头井口在线检测研究", 《石油矿场机械》 * |
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| Publication number | Publication date |
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| CN108426623B (en) | 2020-04-03 |
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