CN110208809A - A kind of dynamic two dimensional analysis method and dynamic level measuring system - Google Patents
A kind of dynamic two dimensional analysis method and dynamic level measuring system Download PDFInfo
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- CN110208809A CN110208809A CN201910042259.5A CN201910042259A CN110208809A CN 110208809 A CN110208809 A CN 110208809A CN 201910042259 A CN201910042259 A CN 201910042259A CN 110208809 A CN110208809 A CN 110208809A
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- dynamic
- plane
- ultrasonic wave
- altitude information
- elevation carrection
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- 238000004141 dimensional analysis Methods 0.000 title claims abstract description 14
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- 230000008859 change Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 7
- 230000004044 response Effects 0.000 abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 3
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- 238000004458 analytical method Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
Abstract
The invention discloses a kind of dynamic two dimensional analysis method, method includes: to be detected according to ultrasonic wave principle to each altitude information of dynamic plane；The 3-D graphic of the dynamic plane is constructed according to the altitude information；The critical parameter of the dynamic plane is calculated according to the 3-D graphic.The present invention also provides a kind of dynamic level measuring systems.The present invention carries out the calculating of the critical parameter of elevation carrection and dynamic plane using ultrasonic wave transmitting, the present invention uses ultrasonic wave to detect for contactless distance, no any mechanical transmission component is not contacted with tested plane, not by electromagnetic interference, the strongly corrosion liquids such as soda acid are not afraid of it, therefore, elevation carrection fast and accurately can be carried out to dynamic plane；And the response time of ultrasonic wave is short, and the real-time measurement of no lag may be implemented.
Description
Technical field
The present invention relates to the technical field of elevation carrection, in particular to a kind of dynamic two dimensional analysis method and dynamic plane are high
Spend measuring system.
Background technique
Height sensor is used to test the height of tested plane, and the height sensor on existing market detects height function master
It concentrates tested plane opposing stationary and uses in the case that relative distance change frequency is little.And tested level is become
Change that frequency is fast and in the case of plane fast moves, existing height sensor will appear that reaction is insensitive, detection height inaccuracy
The case where.
For this purpose, we have proposed a kind of dynamic two dimensional analysis method and dynamic level measuring systems.
Summary of the invention
The main purpose of the present invention is to provide a kind of dynamic two dimensional analysis method and dynamic level measuring system, tools
Have the advantages that short to dynamic plane elevation carrection fast and accurately, response time.
To achieve the above object, the present invention provides a kind of dynamic two dimensional analysis methods, comprising:
Step S1, each altitude information of dynamic plane is detected according to ultrasonic wave principle；
Step S2, the 3-D graphic of the dynamic plane is constructed according to the altitude information.
Step S3, the critical parameter of the dynamic plane is calculated according to the 3-D graphic.
Preferably, the step S1 is specifically included:
Step S11, the high degree of some position of the dynamic plane is calculated by the time difference for emitting with receiving ultrasonic wave
According to；
Step S12, one setting time of interval emits ultrasonic wave again, and circulating repetition above-mentioned steps detect the dynamic
The altitude information of the multiple location points of plane.
Preferably, the step S11 specifically includes:
Step S111, ultrasonic probe emits the ultrasonic wave of a set angle to the dynamic plane, and records transmitting
First moment；Signal receiver receives the reflection echo of the ultrasonic wave, and records received second moment；
Step S112, the two-way time for calculating ultrasonic wave propagation by first moment and second moment is poor；
Step S113, calculated according to the two-way time difference test of the dynamic plane and the ultrasonic probe away from
From；
Step S114, the mounting height of the ultrasonic probe is subtracted into the measuring distance and obtains the altitude information.
Preferably, the altitude information includes transverse height value in the lateral direction and longitudinal height in the longitudinal direction
Angle value.
Preferably, the critical parameter includes flatness and roughness.
A kind of dynamic level measuring system, including rack, elevation carrection sensor, dynamic plane and host, it is described
Elevation carrection sensor slides in the horizontal direction to be set in the rack, and the elevation carrection sensor is set to the dynamic plane
Top, the elevation carrection sensor are connect with the host.
Preferably, the elevation carrection sensor is used to fast moving test plane or level change frequency is fast
Test plane carries out elevation carrection.
Preferably, the elevation carrection sensor includes:
Ultrasonic probe, for emitting ultrasonic pulse signal to the test plane；
Signal receiving unit, for receiving the ultrasonic echo signal in the dynamic plane reflection；
Time calculating unit, for calculating the ultrasonic wave round-trip propagation time；
And height calculation unit, for calculating the altitude information of dynamic plane according to the propagation time；
The ultrasonic probe, the signal receiving unit are connect with the time calculating unit, and the time calculates
Unit is connect with the height calculation unit.
Preferably, the ultrasonic wave of the ultrasonic probe transmitting is equipped with a set angle, the ultrasonic probe transmitting
The frequency of each frame ultrasonic wave is all unique frequency.
Preferably, the dynamic level measuring system further includes for showing the three-dimensional for constructing the dynamic plane
The display screen of the critical parameter of figure and the dynamic plane, the host are connect with the display screen.
The prior art is compared, and the invention has the following beneficial effects: the present invention to carry out elevation carrection using ultrasonic wave transmitting
And the calculating of the critical parameter of dynamic plane, the present invention use ultrasonic wave to detect for contactless distance, no any mechanical biography
Dynamic component is not contacted with tested plane, not by electromagnetic interference, is not afraid of the strongly corrosion liquids such as soda acid, therefore, can quickly and
Elevation carrection accurately is carried out to dynamic plane；And the response time of ultrasonic wave is short, and the real-time measurement of no lag may be implemented.
Detailed description of the invention
Fig. 1 is the flow chart of the dynamic two dimensional analysis method of the embodiment of the present invention.
Fig. 2 is the schematic diagram of the dynamic level measuring system of the embodiment of the present invention.
Fig. 3 is the schematic diagram of the elevation carrection sensor of the embodiment of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Ultrasonic wave is a kind of high-frequency sound wave, its good directionality, penetration capacity is strong, and ultrasonic wave can be used for dust,
In mist or steam ambient.Ultrasonic wave is applied in height measurement method, because the response time of ultrasonic wave it is shorter can real-time measurement,
It can be to fast moving or the fast-changing dynamic plane of height frequency measures, and accurate altitude information can be obtained.
The present invention is flat in transmitting and the time difference calculating dynamic of reflection receivable by ultrasonic wave by the above-mentioned characteristic of ultrasonic wave
The altitude information in face.Fig. 1 is the flow chart of the dynamic two dimensional analysis method of the embodiment of the present invention, flat to dynamic below with reference to Fig. 1
The specific steps of surface analysis method are described:
Step S1, each altitude information of dynamic plane is detected according to ultrasonic wave principle；
Step S2, the 3-D graphic of dynamic plane is constructed according to altitude information.
Step S3, the critical parameter of dynamic plane is calculated according to 3-D graphic.
It is multiple location points by dynamic plane decomposition, altitude information measurement is carried out to each location point, to each location point
Altitude information measuring process process be described, pass through transmitting with receive ultrasonic wave time difference calculate some position of dynamic plane
The altitude information set.Specifically, ultrasonic probe emits the ultrasonic wave of a set angle to dynamic plane, and record the of transmitting
One moment t1；Ultrasonic wave is propagated in gas, is reflected after ultrasonic wave encounters dynamic plane, and signal receiver receives ultrasonic wave
Reflection echo, and record received second moment t2.The round-trip of ultrasonic wave propagation is calculated by the first moment and the second moment
Time difference is Δ t=t2-t1, and ultrasonic wave is propagated in air a spread speed v0, dynamic is calculated according to two-way time difference
The measuring distance d of plane and ultrasonic probe1=v0*Δt.At this point, also needing the high degree that measuring distance is scaled to dynamic plane
According to h1, the altitude information h of the dynamic plane1For by the mounting height h of ultrasonic probe0Subtract measuring distance d1, obtain altitude information
h1=h0-d1。
Further, one setting time of interval emits ultrasonic wave again, and circulating repetition above-mentioned steps detect dynamic plane
Altitude information (the h of multiple location points1, h2, h3......hn), altitude information include transverse height value in the lateral direction and
Longitudinal height value in the longitudinal direction.It is thus possible to constitute dynamic plane by all altitude informations and construct dynamic plane
3-D graphic.
After the 3-D graphic of dynamic plane is completed in building, further the critical parameter of dynamic plane is analyzed,
Critical parameter includes flatness and roughness, can judge dynamic plane performance by flatness and roughness.Flatness refers to
The deviation for the macroscopical height of concave convex relative ideal plane having；Roughness refers to the smaller spacing and minor peaks that finished surface has
The unevenness of paddy, surface roughness is smaller, then surface is more smooth.Flatness and roughness can pass through the dynamic plane of measurement
Altitude information calculated.
Based on above-mentioned 200 analysis method of dynamic plane, the present invention also provides a kind of dynamic level measuring systems
1, Fig. 2 is the schematic diagram of the dynamic level measuring system 1 of the embodiment of the present invention, as shown in Fig. 2, the dynamic of the present embodiment is flat
Face altitude measurement system 1 includes rack (not shown), elevation carrection sensor 100, dynamic plane 200 and host 300.
Wherein, elevation carrection sensor 100 is used for the survey fast moved to test plane or level change frequency is fast
It tries plane and carries out elevation carrection, elevation carrection sensor 100 is set to 200 top of dynamic plane.Wherein, when elevation carrection sensor
100 for it is multiple when, the altitude information of each location point of entire dynamic plane 200 can be measured simultaneously, measurement process is more increased
Effect；But it is not limited thereto, the number of elevation carrection sensor 100 can be 1.
Specifically, Fig. 3 is the schematic diagram of the elevation carrection sensor 100 of the embodiment of the present invention, as shown in figure 3, this implementation
The elevation carrection sensor 100 of example includes: ultrasonic probe 101, signal receiving unit 102, time calculating unit 103 and height
Computing unit 104.Ultrasonic probe 101 is used to emit ultrasonic pulse signal to test plane, what ultrasonic probe 101 emitted
Ultrasonic wave is equipped with a set angle, and the frequency for each frame ultrasonic wave that ultrasonic probe 101 emits all is unique frequency.Signal connects
Unit 102 is received to be used to receive the ultrasonic echo signal reflected in dynamic plane 200；Time calculating unit 103 is super for calculating
The sound wave round-trip propagation time；Height calculation unit 104 is used to calculate the altitude information of dynamic plane 200 according to the propagation time.
The connection relationship of all parts are as follows: ultrasonic probe 101, signal receiving unit 102 are connect with time calculating unit 103, when
Between computing unit 103 connect with height calculation unit 104.
Please continue to refer to Fig. 2, the elevation carrection sensor 100 of the present embodiment is connect with host 300, is that height calculates list
Member 104 is connect with host 300, and the altitude information in height calculation unit 104 is input in host 300 and carries out operation.This reality
The dynamic level measuring system 1 for applying example further includes for showing the building 3-D graphic of dynamic plane and commenting for dynamic plane
Sentence the display screen 400 of parameter, host 300 is connect with display screen 400.
The prior art is compared, and the invention has the following beneficial effects: the present invention to carry out elevation carrection using ultrasonic wave transmitting
And the calculating of the critical parameter of dynamic plane 200, the present invention uses ultrasonic wave to detect for contactless distance, without any machinery
Transmission parts are not contacted with tested plane, not by electromagnetic interference, are not afraid of the strongly corrosion liquids such as soda acid, therefore, can be quickly
And elevation carrection accurately is carried out to dynamic plane 200；And the response time of ultrasonic wave is short, and the real-time survey of no lag may be implemented
Amount.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of dynamic two dimensional analysis method characterized by comprising
Step S1, each altitude information of dynamic plane is detected according to ultrasonic wave principle；
Step S2, the 3-D graphic of the dynamic plane is constructed according to the altitude information；
Step S3, the critical parameter of the dynamic plane is calculated according to the 3-D graphic.
2. dynamic two dimensional analysis method according to claim 1, which is characterized in that the step S1 is specifically included:
Step S11, the altitude information of some position of the dynamic plane is calculated by the time difference for emitting with receiving ultrasonic wave；
Step S12, one setting time of interval emits ultrasonic wave again, and circulating repetition above-mentioned steps detect the dynamic plane
The altitude information of multiple location points.
3. dynamic two dimensional analysis method according to claim 2, which is characterized in that the step S11 specifically includes:
Step S111, ultrasonic probe emits the ultrasonic wave of a set angle to the dynamic plane, and records the first of transmitting
Moment；Signal receiver receives the reflection echo of the ultrasonic wave, and records received second moment；
Step S112, the two-way time for calculating ultrasonic wave propagation by first moment and second moment is poor；
Step S113, the measuring distance of the dynamic plane and the ultrasonic probe is calculated according to the two-way time difference；
Step S114, the mounting height of the ultrasonic probe is subtracted into the measuring distance and obtains the altitude information.
4. dynamic two dimensional analysis method according to claim 1, which is characterized in that the altitude information is included in right and left
Upward transverse height value and longitudinal height value in the longitudinal direction.
5. dynamic two dimensional analysis method according to claim 1, which is characterized in that the critical parameter include flatness and
Roughness.
6. a kind of dynamic level measuring system, which is characterized in that including rack, elevation carrection sensor, dynamic plane and
Host, the elevation carrection sensor slides in the horizontal direction to be set in the rack, and the elevation carrection sensor is set to institute
It states above dynamic plane, the elevation carrection sensor is connect with the host.
7. dynamic level measuring system according to claim 6, which is characterized in that the elevation carrection sensor is used
Elevation carrection is carried out in the test plane fast moved to test plane or level change frequency is fast.
8. dynamic level measuring system according to claim 6, which is characterized in that the elevation carrection sensor packet
It includes:
Ultrasonic probe, for emitting ultrasonic pulse signal to the test plane；
Signal receiving unit, for receiving the ultrasonic echo signal in the dynamic plane reflection；
Time calculating unit, for calculating the ultrasonic wave round-trip propagation time；
And height calculation unit, for calculating the altitude information of dynamic plane according to the propagation time；
The ultrasonic probe, the signal receiving unit are connect with the time calculating unit, the time calculating unit
It is connect with the height calculation unit.
9. dynamic level measuring system according to claim 6, which is characterized in that the ultrasonic probe transmitting
Ultrasonic wave is equipped with a set angle, and the frequency of each frame ultrasonic wave of the ultrasonic probe transmitting is all unique frequency.
10. dynamic level measuring system according to claim 6, which is characterized in that further include for showing building
The display screen of the critical parameter of the 3-D graphic of the dynamic plane and the dynamic plane, the host and the display screen connect
It connects.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009104811A1 (en) * | 2008-02-20 | 2009-08-27 | Ｊｆｅスチール株式会社 | Ultrasonic measurement device and ultrasonic measurement method |
| CA3017315A1 (en) * | 2016-03-18 | 2017-09-21 | Cnh Industrial Italia S.P.A. | Ultrasonic sensors for field roughness measurement |
| CN108974045A (en) * | 2018-08-24 | 2018-12-11 | 福建铁工机智能机器人有限公司 | A kind of automatically walk track detector based on machine vision |
| CN209821382U (en) * | 2019-01-17 | 2019-12-20 | 东莞市诺丽电子科技有限公司 | Dynamic plane height measurement sensor and height measurement system |
-
2019
- 2019-01-17 CN CN201910042259.5A patent/CN110208809A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009104811A1 (en) * | 2008-02-20 | 2009-08-27 | Ｊｆｅスチール株式会社 | Ultrasonic measurement device and ultrasonic measurement method |
| CA3017315A1 (en) * | 2016-03-18 | 2017-09-21 | Cnh Industrial Italia S.P.A. | Ultrasonic sensors for field roughness measurement |
| CN108974045A (en) * | 2018-08-24 | 2018-12-11 | 福建铁工机智能机器人有限公司 | A kind of automatically walk track detector based on machine vision |
| CN209821382U (en) * | 2019-01-17 | 2019-12-20 | 东莞市诺丽电子科技有限公司 | Dynamic plane height measurement sensor and height measurement system |
Non-Patent Citations (1)
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| 冯凌霞;: "炮管内表面加工质量的动态测量", 机械管理开发, no. 03, pages 1 - 2 * |
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