CN206862460U - A kind of tracking mode limnimeter device for detecting performance parameter - Google Patents
A kind of tracking mode limnimeter device for detecting performance parameter Download PDFInfo
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- CN206862460U CN206862460U CN201720624709.8U CN201720624709U CN206862460U CN 206862460 U CN206862460 U CN 206862460U CN 201720624709 U CN201720624709 U CN 201720624709U CN 206862460 U CN206862460 U CN 206862460U
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- displacement sensor
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 33
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 230000004044 response Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003278 mimic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
A kind of tracking mode limnimeter device for detecting performance parameter is the utility model is related to, device of the present utility model includes the first motor, the second motor, elevating mechanism, sleeve pipe lead screw pair, the first adjustable platform, grating displacement sensor, ball-screw and the second adjustable platform；Second adjustable platform, the second motor, elevating mechanism and sleeve pipe lead screw pair are sequentially connected from top to bottom, the vertical movement of the second motor drive sleeve lead screw pair, regulation the second adjustable platform height；Second adjustable platform is fixed with ball-screw, and ball-screw side is fixed with grating displacement sensor, and opposite side fixes the first adjustable platform, the driving ball-screw vertical movement of the first motor, drives the vertical movement of the first adjustable platform；Host computer controls motor to open and close by motion controller, obtains the displacement information of grating displacement sensor collection, calculates performance parameters to be detected.Measurement device grade and precision of the present utility model are high, and automatization level is high, and detection is reliable.
Description
Technical field
The utility model belongs to water conservancy river model measuring instrument detection field, is related to tracking mode water level measuring device,
More particularly to tracking mode limnimeter range ability, measurement accuracy, tracking velocity, the detection means of dynamic response.
Background technology
Water level is one of main control parameters of fluid motion, is both the embodiment of theory analysis, and the mark of proof theory
Standard, while reliable basis also are provided for engineering practice, level measuring is one of content most crucial in model test e measurement technology.
In practical application, especially compared with the Measurement and Control System of small head, tracking mode limnimeter has been widely applied.With regard to water
For the measurement error of position instrument, core is the parameter area of resolution ratio, tracking velocity and dynamic response etc..Ensure
The accuracy of measurement, just calibration periodically must be carried out to the parameter in terms of these.Professional standard SL233-2016 tracking mode water
Position instrument method of calibration, using crane, slide measure and the method for manual time-keeping, it can only simply verify level measuring scope, survey
Accuracy of measurement and tracking velocity etc., but can not accurate sensed water level dynamic response capability.Due to existing development and production tracking mode
Limnimeter measurement accuracy≤0.1mm, Measurement Resolution≤0.01mm.Using existing measuring method, its automatization level is relatively low,
Manual time-keeping, naked-eye observation slide measure（Precision 0.02mm）Method measured result error is according to operating personnel's technical ability qualification
Difference, difference may be larger, influence the testing result of water level instrument parameter；In the experiment of water conservancy river work physical model, SEA LEVEL VARIATION one
As be in periodicity fluctuation and change, similar to sinusoidal or cosine function curvilinear motion pattern, it is therefore desirable to which tracking mode limnimeter has
There are good dynamic response frequency and response time, but existing method and operational facilities are unable to the dynamic of detecting and tracking formula limnimeter
Response performance.In order to scientificlly and effectively be verified to tracking mode limnimeter and calibration, the utility model proposes a kind of more scientific
Rational tracking mode water level measuring device.
Utility model content
The problem of the purpose of this utility model is to overcome prior art to exist, there is provided a kind of automaticity is high, uses
Convenient and high accuracy of detection tracking mode limnimeter device for detecting performance parameter.
To realize above-mentioned technical purpose, the utility model adopts the following technical scheme that；
A kind of tracking mode limnimeter device for detecting performance parameter, including the first motor, the second motor, lift
Structure, sleeve pipe lead screw pair, the first adjustable platform, grating displacement sensor, ball-screw and the second adjustable platform；
Second adjustable platform, the second motor, elevating mechanism and sleeve pipe lead screw pair are sequentially connected from top to bottom, the
Two motor drive sleeve lead screw pair move vertically, and drive elevating mechanism and the vertical movement of the second adjustable platform；
Second adjustable platform is also vertically fixed with ball-screw, and ball-screw side is parallel to be fixed with pattern displacement
Sensor, opposite side fix the first adjustable platform, the driving ball-screw vertical movement of the first motor, drive the first levelling
Platform moves vertically, and grating displacement sensor gathers the displacement information of the first adjustable platform；
Host computer controls the first motor and the second motor to open and close by motion controller, and passes through motion control
Device obtains the displacement information of grating displacement sensor collection, calculates performance parameters to be detected.
As further improvement of the utility model, first motor selects servomotor.First motor
It is the performance parameter for detecting and tracking formula limnimeter, the measurement accuracy requirement of tracking mode limnimeter is 0.1mm, therefore first drives
Dynamic motor selects servomotor, and configures Precision Lead-Screw, to obtain high measurement accuracy；Second motor can use common
Motor or servomotor, consider from cost, benefit angle, the leading screw using common electric machine and general precision is that performance that can be achieved will
Ask.
As further improvement of the utility model, second adjustable platform is engraved structure.On second adjustable platform
Tracking mode limnimeter is placed, the upper and lower motion of tracking mode limnimeter chaining pin is easy in hollow out design.
As further improvement of the utility model, the grating displacement sensor is fixed on ball wire by the way that sliding block is parallel
On thick stick.
As further improvement of the utility model, the measurement accuracy of grating displacement sensor is higher than tracking mode water to be detected
The measurement accuracy of position instrument.
Device of the present utility model has the advantages that：
（1）Measurement device grade and measurement accuracy of the present utility model are higher, more can accurately measure tracking mode limnimeter
Precision, resolution ratio and tracking velocity index.
（2）The utility model proposes tracking mode limnimeter device for detecting performance parameter greatly improve tracking mode limnimeter
The automatization level of detection and the reliability of detection.
（3）The utility model proposes the position sequence mimic water-depth periodicity flushing process automatically generated using computer,
With the dynamic response frequency of this detecting and tracking formula limnimeter and response time, the dynamic property of tracking mode limnimeter can be provided
Body Indexs measure.
Brief description of the drawings
Fig. 1 is tracking mode limnimeter structure of the detecting device schematic diagram.
Fig. 2 is tracking mode limnimeter detection platform control flow schematic diagram.
Embodiment
Embodiment 1
As shown in figure 1, device of the present utility model include the first motor 1, the second motor 2, elevating mechanism 3,
Sleeve pipe lead screw pair 4, the first adjustable platform 5, grating displacement sensor 6, the adjustable platform 8 of ball-screw 7 and second；
Second adjustable platform 8, the second motor 2, elevating mechanism 3 and sleeve pipe lead screw pair 4 connect successively from top to bottom
Connect, the second adjustable platform is engraved structure, and the drive sleeve lead screw pair 4 of the second motor 2 moves vertically, and drives elevating mechanism 3
Moved vertically with the second adjustable platform 8 so that the tracking mode limnimeter being fixed on the second adjustable platform 8 obtains enough measurements
Scope；
Second adjustable platform 8 is also vertically fixed with ball-screw 7, and the side of ball-screw 7 is parallel solid by sliding block
Surely there is grating displacement sensor 6, opposite side fixes the first adjustable platform 5, and the first motor 1 driving ball-screw 7 is vertically transported
It is dynamic, drive the first adjustable platform 5 to move vertically, grating displacement sensor 6 gathers the displacement information of the first adjustable platform 5；
Host computer controls the first motor 1 and the second motor 2 to open and close by motion controller, and is controlled by moving
Device processed obtains the displacement information that grating displacement sensor 6 gathers, and calculates performance parameters to be detected.
Wherein, the measurement accuracy of grating displacement sensor is higher than the measurement accuracy of tracking mode limnimeter to be detected, and first drives
Dynamic motor 1 selects servomotor.
In addition, for convenience of and it is attractive in appearance for the sake of, cable that detection platform is related to, hardware circuit module etc., can be placed in liter
In descending mechanism 3.
A kind of specifically used method of described device comprises the following steps：
Step 1: tracking mode limnimeter to be detected is fixed on the second adjustable platform 8, the aquamanile for filling liquid is put
Put on the first adjustable platform 5, adjustment tracking mode limnimeter to measuring zero point, and cause limnimeter chaining pin with aquamanile
The water surface contacts, and host computer powered motion controller sends pulse signal, and the first motor 1 of driving moves, the first motor 1
Driving ball-screw 7 drive the first adjustable platform 5 move downward, until tracking mode limnimeter chaining pin depart from the water surface not with
With the measurement range of acquisition tracking mode limnimeter；
Step 2: the location parameter of the location parameter of PC control and tracking mode limnimeter is set to null value, upper
Platform displacement distance is set in the machine of position, make the first adjustable platform 5 upwards, move down a segment distance, band the first adjustable platform 5 is steady
After fixed, tracking mode limnimeter displacement readings and the platform displacement distance with being set in host computer are contrasted, by repeatedly measurement, is obtained
The measurement accuracy of tracking mode limnimeter；
Step 3: it is that given tracking mode limnimeter is differentiated that the first adjustable platform of setting 5 is upward, moves down distance
Rate, reading of the observation tracking mode limnimeter before and after the change in displacement of the first adjustable platform 5, obtains the measurement point of tracking mode limnimeter
Resolution；
Step 4: in host computer, the translational speed of a certain fixation is inputted so that the first adjustable platform 5 is with moving platform
Aquamanile, with certain speed upwards, move down, detected tracking mode limnimeter chaining pin also follow aquamanile to
It is upper, move downward, if the chaining pin of tracking mode limnimeter contacts just with the water surface always, assert tracking mode limnimeter chaining pin to
Above, it is the translational speed of the second adjustable platform 5 up or down to move down translational speed, can by constantly changing second
Leveling platform 5 it is upward, move down speed, the tracking velocity of tracking mode limnimeter chaining pin is obtained, when the survey of tracking mode limnimeter
Pin can not follow the water surface in the aquamanile on the second adjustable platform 5 in time upwards, when moving down, that is, obtain tracking mode water
Upward, the downward maximum tracking velocity of position instrument；
Step 5: the move distance of the first adjustable platform 5 and the period of motion, host computer is set to automatically generate by host computer
Corresponding sinusoidal or cosine position sequence, and position sequence order is sent to motion controller, the production of different position commands
Raw different pulse signal so that the first motor 1 driving ball-screw 7 and first adjustable platform 5 lifts mimic water-depth week
Phase property flushing process, the sine or cosine position sequence data that the SEA LEVEL VARIATION value of limnimeter measurement is automatically generated with host computer
Contrast, obtain dynamic response frequency and the response time of tracking mode limnimeter.
Wherein, using the shift value measured by grating displacement sensor 6 as standard set-point, host computer passes through pid algorithm meter
Calculating makes the first motor 1 obtain the working pulse consistent with grating displacement sensor 6, the pulse by with the first motor 1
Coaxial linear encoder feeds back to motion controller and realizes closed-loop control.Specific closed-loop control flow is as shown in Figure 2.
Claims (5)
1. a kind of tracking mode limnimeter device for detecting performance parameter, including the first motor（1）, the second motor（2）, rise
Descending mechanism（3）, sleeve pipe lead screw pair（4）, the first adjustable platform（5）, grating displacement sensor（6）, ball-screw（7）Can with second
Leveling platform（8）；
Second adjustable platform（8）, the second motor（2）, elevating mechanism（3）With sleeve pipe lead screw pair（4）From top to bottom according to
Secondary connection, the second motor（2）Drive sleeve lead screw pair（4）Vertical movement, drive elevating mechanism（3）With the second adjustable platform
（8）Vertical movement；
Second adjustable platform（8）Also vertically it is fixed with ball-screw（7）, ball-screw（7）Side is parallel to be fixed with light
Displacement transducer（6）, opposite side fixes the first adjustable platform（5）, the first motor（1）Drive ball-screw（7）Vertically
Motion, drive the first adjustable platform（5）Vertical movement, grating displacement sensor（6）Gather the first adjustable platform（5）Displacement letter
Breath；
Host computer controls the first motor by motion controller（1）With the second motor（2）Open and close, and controlled by moving
Device processed obtains grating displacement sensor（6）The displacement information of collection, calculate performance parameters to be detected.
2. device according to claim 1, it is characterised in that first motor（1）From servomotor.
3. device according to claim 1, it is characterised in that second adjustable platform（8）For engraved structure.
4. device according to claim 1, it is characterised in that the grating displacement sensor（6）It is parallel solid by sliding block
Due to ball-screw（7）On.
5. device according to claim 1, it is characterised in that grating displacement sensor（6）Measurement accuracy higher than to be checked
Survey the measurement accuracy of tracking mode limnimeter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720624709.8U CN206862460U (en) | 2017-06-01 | 2017-06-01 | A kind of tracking mode limnimeter device for detecting performance parameter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720624709.8U CN206862460U (en) | 2017-06-01 | 2017-06-01 | A kind of tracking mode limnimeter device for detecting performance parameter |
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| Publication Number | Publication Date |
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| CN206862460U true CN206862460U (en) | 2018-01-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024257A (en) * | 2017-06-01 | 2017-08-08 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of tracking mode limnimeter device for detecting performance parameter and method |
-
2017
- 2017-06-01 CN CN201720624709.8U patent/CN206862460U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024257A (en) * | 2017-06-01 | 2017-08-08 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of tracking mode limnimeter device for detecting performance parameter and method |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231214 Address after: 210029 No. 223, Guangzhou Road, Gulou District, Jiangsu, Nanjing Patentee after: NANJING HYDRAULIC Research Institute Patentee after: CHINA COMMUNICATION CONSTRUCTION COMPANY FIRST HARBOUR CONSULTANTS Co.,Ltd. Address before: No. 34 Hujuguan, Gulou District, Nanjing City, Jiangsu Province, China (210029) Patentee before: NANJING HYDRAULIC Research Institute |
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| TR01 | Transfer of patent right |