CN109540264A - A kind of ultrasonic material level meter - Google Patents
A kind of ultrasonic material level meter Download PDFInfo
- Publication number
- CN109540264A CN109540264A CN201910084235.6A CN201910084235A CN109540264A CN 109540264 A CN109540264 A CN 109540264A CN 201910084235 A CN201910084235 A CN 201910084235A CN 109540264 A CN109540264 A CN 109540264A
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- ultrasonic sensor
- level meter
- material level
- distance
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 66
- 239000002103 nanocoating Substances 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000002604 ultrasonography Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000003595 mist Substances 0.000 description 5
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000009566 rice Nutrition 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
- G01F23/2962—Measuring transit time of reflected waves
Landscapes
- 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 present invention provides a kind of ultrasonic material level meter, it include: shell, ultrasonic sensor, reflection device and processor, ultrasonic sensor is arranged along the vertical direction, and the angle between ultrasonic sensor and reflection device is 45 degree, and ultrasonic sensor is for emitting and receiving ultrasonic wave；After reflection device is used to reflect the ultrasonic wave that ultrasonic sensor emits, so that ultrasonic wave is exited vertically into testee；And after being reflected from the reflected ultrasonic wave of testee, so that ultrasonic wave vertically injects ultrasonic sensor；Processor is for calculating the distance between ultrasonic material level meter and testee；When measuring liquid level, since ultrasonic sensor is arranged along the vertical direction, water droplet under the effect of gravity, without being adhered to the outer surface of ultrasonic sensor；And in the entire flat coating nano coating where the outer surface of ultrasonic sensor, the transmissibility of nano coating is good, effectively prevents the outer surface fogging in ultrasonic sensor.
Description
Technical field
The present invention relates to ultrasonic material level meter technical fields, more specifically to a kind of ultrasonic material level meter.
Background technique
Ultrasonic material level meter be integrate ultrasound, electronics, software high-tech product, be all types of industries in-site measurement liquid
Position, material position preferred instrument.During level gauging, ultrasonic wave is issued by ultrasonic sensor, through liquid or solid material table
It turns back after the reflection of face, is received by the same ultrasonic sensor, the whole service time of ultrasonic wave is measured, to realize level
Measurement.
Currently, the ultrasonic sensor of ultrasonic material level meter is using horizontally disposed, the outer surface of ultrasonic sensor
The ultrasonic wave that namely ultrasonic sensor parallel with the surface of testee issues is the surface for directly injecting to testee；
When using such ultrasonic material level meter measurement liquid, it is easy to adhere to droplet in the outer surface of ultrasonic sensor, adheres to droplet
The ultrasonic wave for issuing ultrasonic sensor is reflected, and causes transmitting and received time difference incorrect, then processor
Just the liquid level to make mistake is calculated, ultrasonic distance measurement result is influenced.
It is therefore proposed that a kind of ultrasonic material level meter avoided in the outer surface of ultrasonic sensor attachment droplet, is ability
Field technique personnel technical problem urgently to be resolved.
Summary of the invention
It is a primary object of the present invention to propose a kind of ultrasonic material level meter, it is intended to solve in the prior art, due to ultrasound
The ultrasonic sensor of wave level meter be it is horizontally disposed, be easy when measuring liquid ultrasonic sensor outer surface adhere to
Droplet, the problem of influencing ultrasonic distance measurement result.
In order to solve the above technical problems, the present invention provides a kind of ultrasonic material level meter, comprising:
Shell, ultrasonic sensor, reflection device and processor, the ultrasonic sensor, reflection device and
Processor is arranged in the shell, and the ultrasonic sensor is arranged along the vertical direction, the ultrasonic sensor and institute
Stating the angle between reflection device is 45 degree, and the entire flat coating where the outer surface of the ultrasonic sensor has nanometer painting
Layer；
The ultrasonic sensor, for emitting and receiving ultrasonic wave；
The reflection device, after the ultrasonic wave for emitting the ultrasonic sensor reflects, so that ultrasonic wave
It is exited vertically into testee；And after being reflected from the reflected ultrasonic wave of the testee, so that ultrasonic wave
Vertically inject the ultrasonic sensor；
The processor calculates institute for emitting and receiving the time difference of ultrasonic wave according to the ultrasonic sensor
State the distance between ultrasonic material level meter and the testee.
It optionally, further include interference processor part, the interference processor part is horizontally disposed, and is arranged described
Below ultrasonic sensor, the interference processor part and the ultrasonic sensor are located at the same side, the interference processor
One end of part is connected with the shell, and the other end is flushed with the outer surface of the ultrasonic sensor；
The interference processor part, for carrying out interference decrease to from the reflected interference ultrasonic wave of the testee
Processing.
Optionally, the interference processor part includes acoustical cotton or burr.
Optionally, the outer surface of the reflection device is smooth and flat.
Optionally, the outer surface of the reflection device is coated with nano coating.
Optionally, the inner sidewall of the shell is exposed to outer part, is coated with nano coating.
It optionally, further include display unit, the display unit is used for the ultrasonic wave object for calculating the processor
The distance between position meter and the testee are shown；
Alternatively, the processor be also used to the distance according to the ultrasonic material level meter to the bottom surface of the testee,
And the distance between the ultrasonic material level meter and the testee, calculate the height of the testee；The display
Unit is for showing the height for the testee that the processor calculates.
Optionally, the reflection device includes: reflecting mirror.
It optionally, further include back lining materials, the back lining materials are set to the back region of the ultrasonic sensor；
The back lining materials, the ultrasonic wave of the back region for absorbing the ultrasonic sensor.
Optionally, it will light from the center of the outer surface of the ultrasonic sensor, prolong along the reflection device side
Distance until the vertical line stretched to the shell, is denoted as first distance；It will be from the center of the outer surface of the ultrasonic sensor
It lights, along the distance until deviating from the vertical line to the shell that the reflection device side extends, is denoted as second distance；It is described
The value range of second distance includes: and to be less than or equal to more than or equal to the 1/4 of the sum of the first distance and the second distance
The 1/2 of the sum of the first distance and the second distance.
Beneficial effect
The present invention provides a kind of ultrasonic material level meters, comprising: shell, ultrasonic sensor, reflection device and processing
Device, ultrasonic sensor, reflection device and processor are respectively provided with inside the shell, and ultrasonic sensor is arranged along the vertical direction,
Angle between ultrasonic sensor and reflection device is 45 degree, the entire flat coating where the outer surface of ultrasonic sensor
There is nano coating；Ultrasonic sensor, for emitting and receiving ultrasonic wave；Reflection device, for sending out ultrasonic sensor
After the ultrasonic wave penetrated is reflected, so that ultrasonic wave is exited vertically into testee；And it will be reflected from testee
After ultrasonic wave is reflected, so that ultrasonic wave vertically injects ultrasonic sensor；Processor, for being sent out according to ultrasonic sensor
The time difference of ultrasonic wave is penetrated and received, the distance between ultrasonic material level meter and testee are calculated；Through the above scheme, exist
When measuring liquid level, since ultrasonic sensor is arranged along the vertical direction, water droplet under the effect of gravity, is passed without being adhered to ultrasonic wave
The outer surface of sensor will not influence ultrasonic distance measurement knot so that the ultrasonic wave that will not be projected to ultrasonic sensor impacts
Fruit ensure that the accuracy of distance measurement result；In the entire flat coating nano coating where the outer surface of ultrasonic sensor, receive
The transmissibility of rice coating is good, effectively prevents the outer surface fogging in ultrasonic sensor, ensure that the accurate of distance measurement result
Property.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without creative efforts, can be with for those of ordinary skill in the art
As these attached drawings obtain other attached drawings.
Fig. 1 is a kind of schematic diagram of ultrasonic material level meter provided in an embodiment of the present invention；
The schematic diagram of propagation path when Fig. 2 is a kind of transmitting ultrasonic wave provided in an embodiment of the present invention；
The schematic diagram of propagation path when Fig. 3 is a kind of reception ultrasonic wave provided in an embodiment of the present invention；
Fig. 4 is the signal of the entire plane where a kind of outer surface of ultrasonic sensor provided in an embodiment of the present invention
Figure；
Fig. 5 is a kind of schematic diagram of d1, d2 provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to solve in the prior art, the ultrasonic sensor of ultrasonic material level meter is using horizontally disposed, ultrasonic wave
The outer surface of sensor and the ultrasonic wave that the surface of testee is parallel namely ultrasonic sensor issues be directly inject to by
Survey the surface of object；When using such ultrasonic material level meter measurement liquid, it is easy to adhere in the outer surface of ultrasonic sensor
Droplet, the ultrasonic wave that attachment droplet issues ultrasonic sensor are reflected, and are causing transmitting and received time difference not just
Really, the problem of then processor just calculates the liquid level to make mistake, influences ultrasonic distance measurement result, the present embodiment will provide a kind of super
Sound wave level meter, referring to Fig. 1, Fig. 1 is the schematic diagram of ultrasonic material level meter provided in this embodiment, the ultrasonic material level meter packet
It includes:
Shell 11, ultrasonic sensor 12, reflection device 13 and processor (not shown), ultrasonic sensor
12, reflection device 13 and processor are arranged in shell 11, and ultrasonic sensor 12 is arranged along the vertical direction, Ye Jichao
The outer surface of sonic sensor 12 is vertical with the outer surface 21 of testee, when ultrasonic sensor 12 is arranged along the vertical direction,
The direction for the ultrasonic wave that ultrasonic sensor 12 projects is horizontal；Due to the side for the ultrasonic wave being shot out from ultrasonic material level meter
To being vertical with the outer surface 2121 of testee, so the direction of propagation of the setting reflection device 13 for changing ultrasonic wave,
And the angle being arranged between ultrasonic sensor 12 and reflection device 13 is 45 degree, thereby guarantees that and is shot out from ultrasonic material level meter
The direction of propagation of ultrasonic wave be straight down.
The structure of ultrasonic material level meter is described above, below by for the function of each device in ultrasonic material level meter into
Row explanation.
Ultrasonic sensor 12, for emitting and receiving ultrasonic wave；
Reflection device 13, after the ultrasonic wave for emitting ultrasonic sensor 12 reflects, so that ultrasonic wave is vertical
The propagation path for injecting to testee namely ultrasonic wave is that the ultrasonic level that ultrasonic sensor 12 emits projects, and is first penetrated
It is mapped to testee straight down, referring to fig. 2, Fig. 2 is the present embodiment after the reflection of reflection device 13 to reflection device 13
The schematic diagram of propagation path when a kind of transmitting ultrasonic wave provided；And it will be carried out from the reflected ultrasonic wave of testee
After reflection, so that it is ultrasonic wave from measured object that ultrasonic wave, which vertically injects the propagation path of ultrasonic sensor 12 namely ultrasonic wave,
Body vertically reflects, and then after the reflection of reflection device 13, is vertically injected into ultrasonic sensor 12, is referring to Fig. 3, Fig. 3
The schematic diagram of propagation path when a kind of reception ultrasonic wave provided in this embodiment；
Since ultrasonic sensor 12 is arranged along the vertical direction, and the folder between ultrasonic sensor 12 and reflection device 13
Angle is 45 degree, so after reflection device 13 can be reflected the ultrasonic wave that ultrasonic sensor 12 emits, so that ultrasonic wave
It is exited vertically into testee, and after the reflected ultrasonic wave of testee being reflected, so that ultrasonic wave is vertical
Inject ultrasonic sensor 12；
Processor calculates ultrasonic wave object for emitting and receiving the time difference of ultrasonic wave according to ultrasonic sensor 12
The distance between position meter and testee.Since the aerial spread speed of ultrasonic wave is known, so knowing ultrasound
In the case where the propagation time of wave, the distance between ultrasonic material level meter and testee can be calculated.
Optionally, in the present embodiment, testee includes liquid, material etc..
This ultrasonic material level meter is especially applied to by the structure setting of the ultrasonic material level meter provided through this embodiment
Measure liquid level when, since ultrasonic sensor 12 is arranged along the vertical direction, water droplet under the effect of gravity, without being adhered to ultrasonic wave
The outer surface of sensor 12 will not influence ultrasonic wave so that the ultrasonic wave that will not be projected to ultrasonic sensor 12 impacts
Distance measurement result ensure that the accuracy of distance measurement result.
The mode that ultrasonic sensor 12 is arranged along the vertical direction can be avoided droplet in the appearance of ultrasonic sensor 12
Face attachment, but when measuring liquid level, it is difficult to avoid water mist from adhering in the outer surface of ultrasonic sensor 12, water mist is to ultrasonic wave
Also it can have a certain impact, in order to avoid adhering to water mist, in the present embodiment, Ke Yishe in the outer surface of ultrasonic sensor 12
It sets in the entire flat coating nano coating where the outer surface of ultrasonic sensor 12, the transmissibility of nano coating is good, effectively
The outer surface fogging prevented in ultrasonic sensor 12.
Referring to fig. 4, Fig. 4 is the signal of the entire plane where the outer surface of ultrasonic sensor 12 provided in this embodiment
Figure, shown in Fig. 4 in, the outer surface of ultrasonic sensor 12 is one round, entire where the outer surface of ultrasonic sensor 12
Plane is a rectangle；Entire plane where the outer surface of ultrasonic sensor 12 and the outer surface of ultrasonic sensor 12
Shape can be designed according to actual design demand, however it is not limited to the design method of above-mentioned Fig. 4.
Optionally, ultrasonic material level meter provided in this embodiment further includes interference processor part 14, interference processor part 14
It is horizontally disposed, and be arranged below ultrasonic sensor 12 namely interference processor part 14 and ultrasonic sensor 12
Outer surface it is vertical；Interference processor part 14 and ultrasonic sensor 12 are located at the same side, interference processor part 14 here and
Ultrasonic sensor 12, which is located at the same side, to be surpassed for the positional relationship of ultrasonic sensor 12 and reflection device 13
Sonic sensor 12 is located at side, and reflection device 13 is located at the opposite side of ultrasonic sensor 12, interference processor part 14 be not with
Reflection device 13 is located at the same side, but is located at the same side with ultrasonic sensor 12；One end of interference processor part 14 and outer
Shell 11 is connected, and the other end is flushed with the outer surface of ultrasonic sensor 12；
Interference processor part 14, for carrying out interference decrease processing to from the reflected interference ultrasonic wave of testee.
From the reflected ultrasonic wave of testee, the ultrasonic wave for not being mapped to reflection device 13 can be referred to as to interfere ultrasound
Wave, interference ultrasonic wave will affect distance measurement result, the processing of ultrasonic wave interfered by 14 pairs of interference processor part, super to weaken interference
Influence of the sound wave to distance measurement result, the ultrasonic wave for guaranteeing that ultrasonic sensor 12 receives is signal needed for ranging, is promoted and is surveyed
Accuracy away from result.
Optionally, interference processor part 14 includes acoustical cotton or burr；By acoustical cotton or burr to interference ultrasonic wave
Processing can prevent the reflection of interference ultrasonic wave.
Optionally, it if the outer surface of reflection device 13 is not smooth enough and flat, influences whether the reflecting effect of ultrasonic wave, is
Avoid such situation, the outer surface of setting reflection device 13 be it is smooth and flat, to guarantee to will inject into reflection device
The ultrasonic wave of 13 extreme portions is reflected.
Optionally, the outer surface of reflection device 13 is coated with nano coating, can be to avoid water mist in the outer of reflection device 13
Surface attachment, effectively prevents the outer surface fogging in reflection device 13.
Optionally, the inner sidewall of shell 11 is exposed to outer part, is coated with nano coating, can be to avoid water mist in shell
11 inner sidewall is exposed to outer part attachment, and the inner sidewall effectively prevented in shell 11 is exposed to outer part fogging.
The inner sidewall of shell 11 is not exposed to outer part, is covered by reflection device 13 and back lining materials 15.
Optionally, ultrasonic material level meter provided in this embodiment further includes display unit (not shown), display unit
The distance between ultrasonic material level meter for calculating processor and testee are shown；Calculating ultrasonic wave object
Position meter with after the distance between testee, if also know ultrasonic material level meter to the bottom surface of testee distance,
To calculate the height of testee.
Alternatively, processor is also used to distance and ultrasonic wave object according to the bottom surface of ultrasonic material level meter to testee
The distance between position meter and testee, calculate the height of testee；Display unit is used for the measured object for calculating processor
The height of body is shown, staff is intuitively allowed to know the height of testee.
Optionally, in the present embodiment, reflection device 13 includes: reflecting mirror；Ultrasonic wave is reflected by reflecting mirror,
It is reflected with guaranteeing will inject into the ultrasonic wave of the extreme portions of reflecting mirror.
Optionally, ultrasonic material level meter provided in this embodiment further includes back lining materials 15, and back lining materials 15 are set to super
The back region of sonic sensor 12；
Back lining materials 15, the ultrasonic wave of the back region for absorbing ultrasonic sensor 12, in ultrasonic sensor 12
Back region setting back lining materials 15 can achieve absorb ultrasonic sensor 12 back region ultrasonic wave, reduce aftershock
Effect.
Optionally, in the present embodiment, in the entire plane where the outer surface of ultrasonic sensor 12, supersonic sensing
The outer surface of device 12 is usually the central location for occupying entire plane herein；It will be from the center of the outer surface of ultrasonic sensor 12
It lights, the distance until the vertical line to shell 11 extended along 13 side of reflection device is denoted as first distance d1；It will be from ultrasonic wave
The center of the outer surface of sensor 12 is lighted, along away from 13 side of reflection device extend vertical line to shell 11 until away from
From being denoted as second distance d2；The value range of second distance d2 includes: more than or equal to the sum of first distance d1 and second distance d2
1/4, and be less than or equal to the 1/2 of the sum of first distance d1 and second distance d2；Referring to Fig. 5, Fig. 5 is provided in this embodiment one
The schematic diagram of kind d1, d2.Since the ultrasonic wave of the back region of ultrasonic sensor 12, backing materials can be absorbed in back lining materials 15
The thickness design of material 15 obtains the larger effect that can be enhanced and absorb ultrasonic wave, and considers the overall volume of ultrasonic material level meter
Can not be excessive, so can weaken resonance using such set-up mode, so that resonance time is less, blind area is smaller, protects simultaneously
The overall volume for demonstrate,proving ultrasonic material level meter is only big.
By the implementation of the present embodiment, when measuring liquid level, since ultrasonic sensor 12 is arranged along the vertical direction, water droplet
Under the effect of gravity, without being adhered to the outer surface of ultrasonic sensor 12, thus ultrasonic sensor 12 will not be projected
Ultrasonic wave impacts, and will not influence ultrasonic distance measurement as a result, ensure that the accuracy of distance measurement result；In ultrasonic sensor 12
Outer surface where entire flat coating nano coating, the transmissibility of nano coating is good, effectively prevent ultrasonic wave pass
The outer surface fogging of sensor 12, ensure that the accuracy of distance measurement result.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of ultrasonic material level meter characterized by comprising shell, ultrasonic sensor, reflection device and processor,
The ultrasonic sensor, reflection device and processor are arranged in the shell, and the ultrasonic sensor is along vertical
Direction setting, the angle between the ultrasonic sensor and the reflection device is 45 degree, outside the ultrasonic sensor
Entire flat coating where surface has nano coating；
The ultrasonic sensor, for emitting and receiving ultrasonic wave；
The reflection device, after the ultrasonic wave for emitting the ultrasonic sensor reflects, so that ultrasonic wave is vertical
Inject to testee；And after being reflected from the reflected ultrasonic wave of the testee, so that ultrasonic wave is vertical
Inject the ultrasonic sensor；
The processor calculates described super for emitting and receiving the time difference of ultrasonic wave according to the ultrasonic sensor
The distance between sound wave level meter and the testee.
2. ultrasonic material level meter as described in claim 1, which is characterized in that further include interference processor part, at the interference
It is horizontally disposed to manage device, and is arranged below the ultrasonic sensor, the interference processor part and the ultrasound
Wave sensor is located at the same side, and one end of the interference processor part is connected with the shell, the other end and the ultrasonic wave
The outer surface of sensor flushes；
The interference processor part, for carrying out interference recession to from the reflected interference ultrasonic wave of the testee
Reason.
3. ultrasonic material level meter as claimed in claim 2, which is characterized in that the interference processor part includes acoustical cotton or hair
Thorn.
4. ultrasonic material level meter as described in claim 1, which is characterized in that the outer surface of the reflection device is smooth and flat
Smooth.
5. ultrasonic material level meter as described in claim 1, which is characterized in that the outer surface of the reflection device is coated with nanometer
Coating.
6. ultrasonic material level meter as described in claim 1, which is characterized in that the inner sidewall of the shell is exposed to outer portion
Point, it is coated with nano coating.
7. ultrasonic material level meter as described in claim 1, which is characterized in that further include display unit, the display unit is used
It is shown in the distance between the ultrasonic material level meter for calculating the processor and the testee；
Alternatively, the processor be also used to according to the ultrasonic material level meter to the distance of the bottom surface of the testee and
The distance between the ultrasonic material level meter and the testee calculate the height of the testee；The display unit
The height of the testee for calculating the processor is shown.
8. ultrasonic material level meter as described in claim 1, which is characterized in that the reflection device includes: reflecting mirror.
9. ultrasonic material level meter as claimed in any one of claims 1 to 8, which is characterized in that it further include back lining materials, the back
Lining material is set to the back region of the ultrasonic sensor；
The back lining materials, the ultrasonic wave of the back region for absorbing the ultrasonic sensor.
10. ultrasonic material level meter as claimed in claim 9, which is characterized in that will be from the outer surface of the ultrasonic sensor
Center light, along the reflection device side extend vertical line to the shell until distance, be denoted as first distance；It will
It is lighted from the center of the outer surface of the ultrasonic sensor, along the vertical line extended away from the reflection device side described in
Distance until shell, is denoted as second distance；The value range of the second distance include: more than or equal to the first distance with
The 1/4 of the sum of the second distance, and less than or equal to the 1/2 of the sum of the first distance and the second distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084235.6A CN109540264A (en) | 2019-01-29 | 2019-01-29 | A kind of ultrasonic material level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084235.6A CN109540264A (en) | 2019-01-29 | 2019-01-29 | A kind of ultrasonic material level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540264A true CN109540264A (en) | 2019-03-29 |
Family
ID=65838566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910084235.6A Pending CN109540264A (en) | 2019-01-29 | 2019-01-29 | A kind of ultrasonic material level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540264A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471872A (en) * | 1994-01-07 | 1995-12-05 | Semitool, Inc. | Acoustic liquid level measuring apparatus |
| US20070261487A1 (en) * | 2006-04-27 | 2007-11-15 | Sintes Hugh C | Level sensor |
| CN101688800A (en) * | 2007-07-09 | 2010-03-31 | 松下电器产业株式会社 | Multilayer channel member of ultrasonic fluid measuring device and ultrasonic fluid measuring device |
| US7721600B1 (en) * | 2006-03-17 | 2010-05-25 | Eastech Flow Controls, Inc. | Flow measurement apparatus and method |
| CN202255694U (en) * | 2011-09-30 | 2012-05-30 | 山东二十度节能技术服务有限公司 | Nanometer antiscaling self-cleaning supersonic wave calorimeter body |
| CN102680034A (en) * | 2012-05-30 | 2012-09-19 | 天津鸥翼科技发展有限公司 | Device for measuring flow by means of ultrasonic waves |
| US20160041024A1 (en) * | 2014-08-11 | 2016-02-11 | Ssi Technologies, Inc. | Through-wall tank ultrasonic transducer |
| CN105518450A (en) * | 2013-09-09 | 2016-04-20 | 大陆汽车有限公司 | Ultrasonic sensor having a deflecting element |
| CN109154521A (en) * | 2016-04-08 | 2019-01-04 | 流线公司 | Ultrasonic liquid level sensor with reflector |
-
2019
- 2019-01-29 CN CN201910084235.6A patent/CN109540264A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471872A (en) * | 1994-01-07 | 1995-12-05 | Semitool, Inc. | Acoustic liquid level measuring apparatus |
| US7721600B1 (en) * | 2006-03-17 | 2010-05-25 | Eastech Flow Controls, Inc. | Flow measurement apparatus and method |
| US20070261487A1 (en) * | 2006-04-27 | 2007-11-15 | Sintes Hugh C | Level sensor |
| CN101688800A (en) * | 2007-07-09 | 2010-03-31 | 松下电器产业株式会社 | Multilayer channel member of ultrasonic fluid measuring device and ultrasonic fluid measuring device |
| CN202255694U (en) * | 2011-09-30 | 2012-05-30 | 山东二十度节能技术服务有限公司 | Nanometer antiscaling self-cleaning supersonic wave calorimeter body |
| CN102680034A (en) * | 2012-05-30 | 2012-09-19 | 天津鸥翼科技发展有限公司 | Device for measuring flow by means of ultrasonic waves |
| CN105518450A (en) * | 2013-09-09 | 2016-04-20 | 大陆汽车有限公司 | Ultrasonic sensor having a deflecting element |
| US20160041024A1 (en) * | 2014-08-11 | 2016-02-11 | Ssi Technologies, Inc. | Through-wall tank ultrasonic transducer |
| CN109154521A (en) * | 2016-04-08 | 2019-01-04 | 流线公司 | Ultrasonic liquid level sensor with reflector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105556258B (en) | Liquid tank comprising an ultrasonic sensor | |
| CN104185726B (en) | Supply unit with the filling level sensor for liquid additive | |
| US7334451B1 (en) | Level meter threshold detection system | |
| CN107407723A (en) | The method and apparatus determined for 3D positions | |
| US8919194B2 (en) | Liquid level gauging system with bubble shedding reflectors | |
| EP0807243A1 (en) | Ultrasonic flowmeter "w" | |
| JP2001228010A (en) | Measuring system and probe | |
| US7503225B2 (en) | Ultrasonic flow sensor having a transducer array and reflective surface | |
| Murakawa et al. | Evaluation method of transit time difference for clamp-on ultrasonic flowmeters in two-phase flows | |
| CN108008143A (en) | A kind of laser velocimeter devices and methods therefor of bullet exit portal speed | |
| CN109540264A (en) | A kind of ultrasonic material level meter | |
| CN105806949B (en) | A kind of ray traveltime bearing calibration in ultrasound computed tomography detection | |
| CN107389220B (en) | The detection method of thermo parameters method in a kind of boiler | |
| CN109341819A (en) | Self-correction ultrasonic measuring device and its measurement method | |
| JP2012058186A (en) | Ultrasonic flowmeter | |
| CN110455360A (en) | A kind of ultrasonic water meter | |
| CN112539740B (en) | External-clamping ultrasonic flowmeter mounting and positioning device and method based on laser light path | |
| CN201212831Y (en) | Atomizing tank liquid level measurement and display device for medical ultrasonic atomizer | |
| CN105022066B (en) | Hand-held dual probe measuring instrument | |
| CA2557099A1 (en) | Doppler type ultrasonic flow meter | |
| JPH05192332A (en) | Ultrasonic transmitting testing device | |
| CN209059264U (en) | A kind of high-precision ultrasound bone mineral density detector | |
| Messer et al. | Main effects on the accuracy of Pulsed-Ultrasound-Doppler-Velocimetry in the presence of rigid impermeable walls | |
| CN106443646B (en) | A kind of ultrasonic ranging system, echo processing techniques and device | |
| JP3807892B2 (en) | Fishing reel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |