CN107884039B - High-stability ultrasonic multi-range externally-attached type liquid level meter - Google Patents
High-stability ultrasonic multi-range externally-attached type liquid level meter Download PDFInfo
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- CN107884039B CN107884039B CN201711385571.1A CN201711385571A CN107884039B CN 107884039 B CN107884039 B CN 107884039B CN 201711385571 A CN201711385571 A CN 201711385571A CN 107884039 B CN107884039 B CN 107884039B
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- liquid level
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- level meter
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- 239000007788 liquid Substances 0.000 title claims abstract description 71
- 239000000523 sample Substances 0.000 claims abstract description 49
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 11
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Classifications
-
- 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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- Physics & Mathematics (AREA)
- 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 invention discloses a liquid level meter body which comprises a host machine and a probe, and further comprises a fixed plate, wherein the fixed plate is provided with a mounting hole, the probe is placed through the mounting hole, the lower surface of the host machine is connected with the upper surface of the fixed plate, a mounting plate is arranged below the fixed plate, a strip-shaped through groove is formed in the mounting plate, the probe penetrates through the strip-shaped through groove, and the bottom surface of the fixed plate is in sliding connection with the surface of the mounting plate; the lower Fang Tiaoxing through groove both sides of mounting panel link perpendicularly respectively have the stabilizer plate, are equipped with the sleeve pipe of vertical setting between two stabilizers, and the sleeve pipe is passed to the lower extreme of probe, and sleeve pipe both sides outer wall is connected perpendicularly with the stabilizer plate through the telescopic link respectively, and the telescopic link can stretch out and draw back along bar through groove length direction. The ultrasonic liquid level meter disclosed by the invention can not influence the normal reaction when measuring the liquid level of the reaction equipment, and can be moved at the same time, so that the probe can detect a plurality of areas, and the liquid level detection precision is improved.
Description
Technical Field
The invention relates to an ultrasonic liquid level meter, in particular to an ultrasonic multi-range externally-attached liquid level meter with high stability.
Background
The ultrasonic level meter is a digital level meter controlled by a microprocessor. In the measurement, ultrasonic pulses are emitted by a sensor (transducer), sound waves are received by the same sensor or an ultrasonic receiver after being reflected by the surface of the liquid, the sound waves are converted into electric signals through a piezoelectric crystal or a magnetostriction device, and the distance from the sensor to the surface of the liquid to be measured is calculated by the time between the emission and the reception of the sound waves. As non-contact measurement is adopted, the measured medium is almost unlimited, and can be widely used for measuring the heights of various liquid and solid materials.
When measuring liquids, the liquids are usually in a flowing state, or when measuring the liquid level in some reaction devices, the liquid levels in different horizontal directions are often different, and the ultrasonic liquid level meter can only measure a fixed area when measuring, so that the measurement accuracy is not high.
Disclosure of Invention
The invention aims to provide the high-stability ultrasonic multi-pass externally-attached type liquid level meter, which can not influence the normal operation of reaction when the liquid level of the reaction equipment is measured, and can move the liquid level meter, so that a probe can detect a plurality of areas, thereby improving the accuracy of liquid level detection.
The invention is realized by the following technical scheme:
The utility model provides a high stability's ultrasonic wave multitone journey pastes formula liquid level gauge outward, including the liquid level gauge body, the liquid level gauge body includes host computer and connects the probe in the host computer below, still include the fixed plate, be equipped with the mounting hole on the fixed plate, the probe passes the mounting hole and places, the lower surface of host computer links to each other with the fixed plate upper surface, the below of fixed plate is equipped with the mounting panel, be equipped with the bar on the mounting panel and lead to the groove, the probe passes the bar and leads to the groove, sliding connection between the bottom surface of fixed plate and the mounting panel surface, the fixed plate can drive the probe along the length direction round trip movement of bar through the groove through first drive arrangement; the lower Fang Tiaoxing through groove both sides of mounting panel link perpendicularly respectively have the stabilizer plate, are equipped with the sleeve pipe of vertical setting between two stabilizers, and the lower extreme of probe passes the sleeve pipe and with the laminating of sleeve pipe inner wall, and sleeve pipe both sides outer wall is connected with stabilizer plate is perpendicular respectively through the telescopic link, and the telescopic link can stretch out and draw back along bar through groove length direction.
The ultrasonic liquid level meter disclosed by the invention can not influence the normal reaction when measuring the liquid level of the reaction equipment, and can be moved at the same time, so that the probe can detect a plurality of areas, and the liquid level detection precision is improved. When the ultrasonic liquid level meter is installed on the equipment, a notch is arranged on the surface of the equipment, the liquid level meter body is arranged in the notch, and then the bottom surface of the mounting plate is fixed on the surface around the notch; the fixed plate on the mounting plate plays a role in fixing the liquid level meter body and covering the notch, and when liquid level measurement is needed, the first driving device can drive the fixed plate to slide, so that the probe is driven to move in the horizontal direction, liquid level measurement is carried out on a plurality of areas, and the accuracy is higher; meanwhile, the sleeve is sleeved outside the lower part of the probe, and the outer walls of the two sides of the sleeve are respectively and vertically connected with the stabilizing plate through the telescopic rods, so that when the probe moves, the telescopic rods on the two sides are stretched and shortened, the sleeve moves along with the probe, the stability of the probe in the moving process can be ensured, the probe cannot incline, and the measuring precision is improved.
The bottom surface of fixed plate and the bracing piece interconnect through vertical setting between the mounting panel surface are equipped with the slide rail on the surface of mounting panel, the lower extreme and the slide rail sliding connection of bracing piece can be convenient for adjust the height of probe as required.
The ARM microprocessor is arranged in the host, and can automatically switch the measurement frequency according to different measurement distances by adopting a dual-frequency or multi-frequency processing technology, so that the dead zone of the measured liquid is reduced.
Still include the controller of being connected with the host computer electricity, the bracing piece has extending structure, and the extension and the shortening of controller through second drive arrangement drive bracing piece can be stretched through second drive arrangement drive bracing piece when the interval between ultrasonic liquid level meter detection probe and the liquid level is very little to raise the height that the probe was located, avoid the liquid level suddenly to increase the liquid level meter and submerge in liquid.
The sleeve is made of rubber materials, and can protect the probe.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. The ultrasonic multi-pass externally-attached liquid level meter with high stability can not influence the normal reaction when measuring the liquid level of the reaction equipment, and can move the liquid level meter, so that a probe can detect a plurality of areas, and the liquid level detection precision is improved;
2. According to the ultrasonic multi-pass externally-attached type liquid level meter with high stability, the bottom surface of the fixed plate is connected with the surface of the mounting plate through the vertically arranged supporting rods, the surface of the mounting plate is provided with the sliding rails, the lower ends of the supporting rods are in sliding connection with the sliding rails, the height of the probe can be conveniently adjusted according to needs, the ARM microprocessor is arranged in the host, and the dual-frequency or multi-frequency processing technology can be adopted, so that the measuring frequency can be automatically switched according to different measuring distances, and the dead zone of measured liquid is reduced;
3. The invention relates to a high-stability ultrasonic multi-pass externally-attached type liquid level meter, which also comprises a controller electrically connected with a host machine, wherein the supporting rod is provided with a telescopic structure, the controller drives the extension and shortening of the supporting rod through a second driving device, when the ultrasonic liquid level meter detects that the distance between a probe and a liquid level is small, the second driving device drives the supporting rod to extend, so that the height of the probe is raised, the liquid level is prevented from being suddenly increased, the liquid level meter is prevented from being submerged in liquid, and the sleeve is made of rubber materials, so that the probe can be protected.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention.
In the drawings, the reference numerals and corresponding part names:
1-host, 2-probe, 3-fixed plate, 4-mounting plate, 5-bar through groove, 6-stabilizing plate, 7-sleeve, 8-telescopic link, 9-bracing piece, 10-slide rail.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Examples
As shown in fig. 1, the ultrasonic multi-pass externally-attached type liquid level meter with high stability comprises a liquid level meter body, wherein the liquid level meter body comprises a host machine 1 and a probe 2 connected below the host machine 1, and further comprises a fixed plate 3, a mounting hole is formed in the fixed plate 3, the probe 2 is placed through the mounting hole, the lower surface of the host machine 1 is connected with the upper surface of the fixed plate 3, a mounting plate 4 is arranged below the fixed plate 3, a strip-shaped through groove 5 is formed in the mounting plate 4, the probe 2 passes through the strip-shaped through groove 5, the bottom surface of the fixed plate 3 is in sliding connection with the surface of the mounting plate 4, and the fixed plate 3 can drive the probe 2 to move back and forth along the length direction of the strip-shaped through groove 5 through a first driving device; the stabilizer plate 6 has been linked perpendicularly respectively to the below strip logical groove 5 both sides of mounting panel 4, is equipped with the sleeve pipe 7 of vertical setting between two stabilizer plates 6, and sleeve pipe 7 is passed to the lower extreme of probe 2 and laminating with sleeve pipe 7 inner wall, and sleeve pipe 7 both sides outer wall is connected perpendicularly with stabilizer plate 6 through telescopic link 8 respectively, and telescopic link 8 can stretch out and draw back along strip logical groove 5 length direction.
The ultrasonic liquid level meter disclosed by the invention can not influence the normal reaction when measuring the liquid level of the reaction equipment, and can be moved at the same time, so that the probe can detect a plurality of areas, and the liquid level detection precision is improved. When the ultrasonic liquid level meter is installed on the equipment, a notch is arranged on the surface of the equipment, the liquid level meter body is arranged in the notch, and then the bottom surface of the mounting plate is fixed on the surface around the notch; the fixed plate on the mounting plate plays a role in fixing the liquid level meter body and covering the notch, and when liquid level measurement is needed, the first driving device can drive the fixed plate to slide, so that the probe is driven to move in the horizontal direction, liquid level measurement is carried out on a plurality of areas, and the accuracy is higher; meanwhile, the sleeve is sleeved outside the lower part of the probe, and the outer walls of the two sides of the sleeve are respectively and vertically connected with the stabilizing plate through the telescopic rods, so that when the probe moves, the telescopic rods on the two sides are stretched and shortened, the sleeve moves along with the probe, the stability of the probe in the moving process can be ensured, the probe cannot incline, and the measuring precision is improved.
Preferably, the bottom surface of the fixed plate is connected with the surface of the mounting plate through a vertically arranged supporting rod 9, a sliding rail 10 is arranged on the surface of the mounting plate, the lower end of the supporting rod is in sliding connection with the sliding rail, and the height of the probe can be conveniently adjusted according to requirements.
Preferably, an ARM microprocessor is arranged in the host, and a dual-frequency or multi-frequency processing technology can be adopted to automatically switch the measurement frequency according to different measurement distances, so that the dead zone of the measured liquid is reduced.
Preferably, the ultrasonic liquid level meter further comprises a controller electrically connected with the host, the supporting rod is provided with a telescopic structure, the controller drives the supporting rod to extend and shorten through the second driving device, when the ultrasonic liquid level meter detects that the distance between the probe and the liquid level is small, the supporting rod can be driven to extend through the second driving device, so that the height of the probe is raised, and the situation that the liquid level suddenly increases and the liquid level meter is submerged in liquid is avoided.
Preferably, the sleeve is made of rubber materials, so that the probe can be protected.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (3)
1. The utility model provides a high stability's ultrasonic wave multitone journey pastes formula liquid level gauge outward, including the liquid level gauge body, the liquid level gauge body includes host computer (1) and connects probe (2) in host computer (1) below, a serial communication port, still include fixed plate (3), be equipped with the mounting hole on fixed plate (3), probe (2) pass the mounting hole and place, the lower surface of host computer (1) links to each other with fixed plate (3) upper surface, the below of fixed plate (3) is equipped with mounting panel (4), be equipped with bar logical groove (5) on mounting panel (4), probe (2) pass bar logical groove (5), sliding connection between the bottom surface of fixed plate (3) and mounting panel (4) surface, fixed plate (3) can drive probe (2) along the length direction round trip movement of bar logical groove (5) through first drive arrangement; the two sides of a lower Fang Tiaoxing through groove (5) of the mounting plate (4) are respectively and vertically connected with a stabilizing plate (6), a vertically arranged sleeve (7) is arranged between the two stabilizing plates (6), the lower end of the probe (2) penetrates through the sleeve (7) and is attached to the inner wall of the sleeve (7), the outer walls of the two sides of the sleeve (7) are respectively and vertically connected with the stabilizing plates (6) through telescopic rods (8), and the telescopic rods (8) can stretch and retract along the length direction of the strip-shaped through groove (5); the bottom surface of the fixed plate (3) is connected with the surface of the mounting plate (4) through a vertically arranged supporting rod (9), a sliding rail (10) is arranged on the surface of the mounting plate (4), and the lower end of the supporting rod (9) is in sliding connection with the sliding rail (10); an ARM microprocessor is arranged in the host (1).
2. The ultrasonic multi-range externally attached type liquid level meter with high stability according to claim 1, further comprising a controller electrically connected with the host machine (1), wherein the supporting rod (9) is of a telescopic structure, and the controller drives the supporting rod (9) to extend and contract through the second driving device.
3. The ultrasonic multi-pass externally attached type liquid level meter with high stability according to claim 1, wherein the sleeve (7) is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385571.1A CN107884039B (en) | 2017-12-20 | 2017-12-20 | High-stability ultrasonic multi-range externally-attached type liquid level meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385571.1A CN107884039B (en) | 2017-12-20 | 2017-12-20 | High-stability ultrasonic multi-range externally-attached type liquid level meter |
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| Publication Number | Publication Date |
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| CN107884039A CN107884039A (en) | 2018-04-06 |
| CN107884039B true CN107884039B (en) | 2024-04-30 |
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| CN201711385571.1A Active CN107884039B (en) | 2017-12-20 | 2017-12-20 | High-stability ultrasonic multi-range externally-attached type liquid level meter |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219641A (en) * | 2019-05-27 | 2019-09-10 | 承德石油高等专科学校 | A kind of well liquid face test device and its test method |
| CN111307251B (en) * | 2019-11-29 | 2021-06-22 | 河北工程大学 | Deep well water level detector |
| CN112067077A (en) * | 2020-09-14 | 2020-12-11 | 美亚药业海安有限公司 | Non-contact liquid level detection device |
| CN112683368B (en) * | 2020-12-04 | 2022-12-02 | 国网山西省电力公司朔州供电公司 | Transformer oil level measuring device |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006518045A (en) * | 2003-02-14 | 2006-08-03 | アデプト サイエンス アンド テクノロジーズ エルエルシー | Ultrasonic water level control device and water level measurement method |
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|---|---|---|---|---|
| CN2618151Y (en) * | 2003-04-10 | 2004-05-26 | 五邑大学 | Intelligent supersonic level sensor |
| KR101499477B1 (en) * | 2014-10-31 | 2015-03-18 | 대한검사기술(주) | A automatic ultrasonic scanner |
| CN106124000A (en) * | 2016-06-23 | 2016-11-16 | 安徽埃克森科技集团有限公司 | A kind of ultrasonic liquid leveller |
| CN206609829U (en) * | 2017-03-27 | 2017-11-03 | 江苏至上检测科技有限公司 | Immersion type tubing ultrasonic detection device |
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