CN207850484U - A kind of contactless water-level gauge testing calibration device - Google Patents
A kind of contactless water-level gauge testing calibration device Download PDFInfo
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- CN207850484U CN207850484U CN201820225776.7U CN201820225776U CN207850484U CN 207850484 U CN207850484 U CN 207850484U CN 201820225776 U CN201820225776 U CN 201820225776U CN 207850484 U CN207850484 U CN 207850484U
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Abstract
The utility model provides a kind of contactless water-level gauge testing calibration device, including：Industrial personal computer, bottom surface pedestal, the rail brackets being arranged on the pedestal of bottom surface, be arranged on rail brackets can be along the detection platform holder that guide rail moves up and down, the pipe-hanging hook being arranged above detection platform, the pond being arranged below detection platform.The utility model changes the position for being detected water-level gauge and normal water level meter in vertical direction, can simulate the opposite variation of live water-level gauge and water surface site, realize the accuracy detection of contactless water-level gauge；It is accurately positioned by Serve Motor Control detection platform, detection platform deviations are better than ± 3mm；Due to using high precision distance detector and high level of accuracy control system, water level detecting precision to be better than 1mm；The data accuracy of water level monitoring instrument is effectively ensured, compensates for the defect that enough measurement ranges and precision is not achieved in conventional water level platform detection method.
Description
Technical field
The utility model belongs to water-level gauge detection technique field, is related to a kind of contactless water-level gauge testing calibration device.
Background technology
Water level monitoring is one of monitoring element most basic in hydrologic monitoring.Common water level in respect of float type level meter,
Pressure type water gauge, ultrasonic water level gauge, microwave (radar) water-level gauge etc..The indicator water gage introduced in recent years by foreign countries etc. is non-
Contact water-level gauge, technology maturation, high certainty of measurement is easy to install, and is not limited by environment, geography, therefore by many
Automatic Hydrological Telemetry System is used, and the various product of domestic contactless water-level gauge also rapidly develops.Existing water-level gauge detection
Calibration method is by detected water-level gauge and normal water level meter mainly for conventional water level gauges such as float-type, pressure type, suspended types
Be fixed on same level above water level logging system, by plumbing automatic control system make in water level logging system the water surface rise or under
Drop acquires the data for being detected water-level gauge and normal water level meter, realizes the testing calibration of water-level gauge.And contactless water-level gauge by
In with the angle of departure, conventional water level is logged well has certain limitation in the detection application of contactless water-level gauge, can not apply
In the detection of contactless water-level gauge.
Invention content
To solve the above problems, the utility model discloses a kind of dresses being detected calibration for contactless water-level gauge
It sets, realizes the accuracy, consistent for ensureing the testing calibration of contactless water-level gauge contactless water-level gauge water level monitoring data
Property.
In order to reach object above, the utility model provides the following technical solutions：
A kind of contactless water-level gauge testing calibration device, including：Industrial personal computer, is arranged on the pedestal of bottom surface bottom surface pedestal
Rail brackets, be arranged on rail brackets can along detection platform holder that guide rail moves up and down, be arranged above detection platform
Pipe-hanging hook, the pond that is arranged below detection platform；The rail brackets include two the linear guides, the detection platform
Holder includes the horizontal mounting plate being arranged in the linear guide and the detection platform that is vertically connected in horizontal mounting plate, described
Horizontal mounting plate is coordinated by the rack on gear and rail brackets to be moved, and the gear is driven by the first driving mechanism, described
It is provided with roller in detection platform, pacifies based on the second driving mechanism of driving drum, arc turntable mounting plate and normal water level
Hole is filled, the arc turntable mounting plate is connected with level(l)ing device, and the pipe-hanging hook is connected by steel wire rope with roller.
Further, first driving mechanism includes coaxially connected servo motor and turbine and worm retarder, described
Turbine and worm retarder and gear are coaxially connected.
Further, sliding block is also equipped in the horizontal mounting plate, the slide block set slides in the linear guide.
Further, second driving mechanism is servo motor.
Further, the level(l)ing device is two-dimentional arc turntable.
Further, the rail brackets include the metal framework being vertically arranged, and connecting plate is provided between metal framework,
Metal framework is also connected with floating foundation and adjustment block, and floating foundation is connected with wall, and the auxiliary plate of installation is fixed in adjustment block, is adjusted
It is fixedly connected by L-type plate between monoblock and wall.
Further, the rail brackets are mounted on wall.
Further, the pipe-hanging hook includes pulley and fixed lifting lug, and fixed lifting lug is connect by steel wire rope with roller.
Further, the normal water level is calculated as laser water-level gauge, and laser reflection plate is equipped in the pond, described to swash
Light reflecting board is right against below normal water level meter mounting hole.
Compared with prior art, the utility model has the following advantages that and advantageous effect：
Testing calibration device provided by the utility model fixes water surface site, changes be detected water-level gauge in vertical direction
With the position of normal water level meter, the opposite variation of live water-level gauge and water surface site can be simulated, realizes contactless water-level gauge
Accuracy detection；It is accurately positioned by Serve Motor Control detection platform, detection platform deviations are better than ± 3mm；Due to adopting
With high precision distance detector and high level of accuracy control system, water level detecting precision is better than 1mm.
Description of the drawings
Fig. 1 is contactless water-level gauge testing calibration device overall structure diagram provided by the utility model；
Fig. 2 is rail brackets schematic diagram；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is detection platform supporting structure schematic diagram；
Fig. 5 is rack-and-pinion cooperation schematic diagram；
Fig. 6 is pipe-hanging hook structural schematic diagram；
Fig. 7 is arc turntable connection diagram.
Reference sign：
1- pipe-hanging hooks, 2- rail brackets, 3- detection platform holders, the ponds 4-, 5- laser reflection plates, the bottom surfaces 6- pedestal,
7- industrial personal computers, 8- stair walls, 9- pulleys, 10- fixation lifting lugs, 11- metope bearings, 12- rollers, 13- rolling stands, 14- are watched
Take motor, 15- two dimension arc turntables, 16- arc turntable mounting plates, 17- detection platforms, 18- normal water level meter mounting holes, 19-
The linear guide, 20- sliding blocks, 21- turbine and worm retarders, 22- servo motors, 23- horizontal mounting plates, 24- gears, 25- racks,
26- floating foundations, 27- metal frameworks, 28- adjustment blocks, 29-L templates, 30-H type metal connecting plates, 31- install auxiliary plate,；32-
Obliquity sensor, 33- are detected water-level gauge mounting plane.
Specific implementation mode
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that making in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" respectively refer to
Be directed towards or far from geometric center of specific component direction.
As shown in Figure 1, contactless water-level gauge testing calibration device, including industrial personal computer 7, detection platform holder 3, suspention branch
Frame 1, rail brackets 2, bottom surface pedestal 6, wherein the setting of bottom surface pedestal 6 is arranged in device entirety bottom, rail brackets 2 in bottom surface
On pedestal 6,2 side of rail brackets is fixed on wall 8, and pipe-hanging hook 1 is arranged above detection platform holder 3, detection platform
The setting of holder 3 is on rail brackets 2 and vertical with rail brackets 2, has fountain square 4 (3m*3m) immediately below detection platform holder.
As shown in Figure 2 and Figure 3, rail brackets 2 have two the linear guides 19 to move up and down for detection platform, guide rail branch
Frame side place parallel with guide rail is installed by rack 25.Its structure specifically includes metal framework 27, floating foundation 26, the connection of H-type metal
Plate 30 installs auxiliary plate 31.Metal framework 27 is vertically arranged, and H-type metal connecting plate 30 is connected between adjacent metal frame 27, is risen
To reinforcement stabilization.Metal framework 27 is also connected with floating foundation 26 and adjustment block 28, and floating foundation 26 is connected with wall, floats
Moving base moves position when installing guide rail overall structure along vertical wall direction, when entire guide rail frame in one plane
When, it can be with latched position.Auxiliary plate 31 is installed to be fixed in adjustment block 28, as the connector between adjustment block and aluminium section bar, adjustment
Block 28 is fixedly connected between wall by L-type plate 29, the left and right directions in figure move adjustment between metope at a distance from.Rail brackets
2 are installed on stairwell wall, efficiently use space, save construction cost.
As shown in figure 4, detection platform holder 3 includes detection platform 17, horizontal mounting plate 23, servo motor 22, turbine snail
Bar retarder 21, gear 24, wherein horizontal mounting plate 23 are arranged on rail brackets 2, are provided with hole in horizontal mounting plate 23, watch
It takes motor 22 and turbine and worm retarder 21 is coaxially connected, turbine and worm retarder 21 and gear 24 are coaxially connected, such as Fig. 5 institutes
Show, gear 24 passes through the rack 25 being arranged on hole and rail brackets 2 to coordinate.Vertically-mounted back installs sliding block 20, sliding block 20
It is sleeved in the linear guide 19 and slides, thus horizontal mounting plate is connected by sliding block with guide rail, horizontal mounting plate and is connected with it
The detection platform holder connect is integrally moved along guide rail direction.Detection platform 17 is vertically fixed on 23 bottom of horizontal mounting plate.It is examining
It surveys on platform 17 and is provided with servo motor 14, roller 12, roller 12 is connect by rolling stand 13 with detection platform 17, roller 12
It is coaxially connected with servo motor 14.Arc turntable mounting plate 16 and normal water level meter mounting hole are additionally provided in detection platform 17
18, arc turntable mounting plate 16 is for installing arc turntable, and normal water level meter mounting hole 18 is by installing based on normal water level.Such as
Shown in Fig. 7, the two-dimentional arc turntable 15 of the reversed installation in 16 downside of arc turntable mounting plate, two-dimentional arc turntable downside installation is detected
Water-level gauge mounting plane 33, is detected 33 upside mounted angle sensor 32 of water-level gauge mounting plane, and downside installation is detected water
Position meter, two-dimentional arc turntable 15 can drive the detected water-level gauge of detected water-level gauge mounting plate plane to rotate.Detection platform branch
It is additionally provided with outer framework on frame 3, for reinforcing entire firmness and protecting the equipment in detection platform.
As shown in fig. 6, pipe-hanging hook 1 includes pulley 9 and fixed lifting lug 10, pipe-hanging hook 1 is fixed by metope bearing 11
On two heel posts, fixed lifting lug 10 is connect by steel wire rope with roller 12.
Laser reflection plate is installed, laser reflection plate is right against below normal water level meter mounting hole on 4 water surface of pond.It pond can
It is drained using supply and drain water system water filling, can also be drained by artificial recharge.Pond effective diameter 3m.
The present apparatus is controlled by industrial personal computer 7, and industrial personal computer 7 is equipped with control and data collecting system, industrial personal computer and servo motor 22,
Turbine and worm retarder 21, servo motor 14, two-dimentional arc turntable 15 connect and (are connected as electrical connection or data connection herein) and use
In these equipment operations of control.Industrial personal computer 7 can store data and calculate final testing calibration automatically as a result, it is possible to directly apply
In the routine testing calibration of the type water-level gauge.
Present apparatus operation principle is as follows：
When using this contactless water-level gauge testing calibration device, the water filling into pond before testing, height (30~40) cm,
Wait for water surface calmness；When detection platform is in initial zero position, contactless water-level gauge will be detected and (such as radar type, ultrasonic wave, swashed
Light water-level gauge) it is installed below the detected water-level gauge mounting plane of detection platform, tested water-level gauge mounting surface levelness is better than
0.5 degree.Normal water level meter (high-precision laser range-finding sensor) is mounted on normal water level meter mounting hole, is monitored on industrial personal computer
The two-dimentional arc turntable angle measurement data that obliquity sensor obtains, and control and adjusted the angle with two-dimentional arc turntable rotation, ensure quilt
Sensed water level meter is horizontal with normal water level meter mounting surface, detection platform deviations ± 3mm.Setting is detected instrument and standard
Water-level gauge zero-bit, industrial personal computer control servomotor are rotated with servo motor, and band moving gear is rotated with roller, and detection platform is vertical
Gear drives and is connected with roller under rope traction and begun to ramp up along guide rail direction, often rises 50cm, detection platform is stopped
Only primary, industrial personal computer is acquired by acquisition system and is detected instrument and normal water level meter water level value, and detection platform rises to 10m
It postpones, begins to decline, often decline 50cm, detection platform stops once, and it is complete detection process to drop to initial position.Industrial personal computer
Collected water level value is preserved, and carries out ratio of precision pair.
Water surface site is constant in the utility model, and detected water-level gauge and normal water level meter are fixedly installed in above the water surface
In one detection platform, detection platform is controlled by servo motor automatic control system and is risen or fallen, change detection platform with
The relative position of the water surface achievees the purpose that mimic water-depth changes, and realizes that the testing calibration of contactless water-level gauge, level measuring have
0~10m of range is imitated, water level measurement accuracy is better than 1mm.The data accuracy of water level monitoring instrument is effectively ensured in the utility model,
Compensate for the defect that enough measurement ranges and precision is not achieved in conventional water level platform detection method.
Technological means disclosed in the utility model is not limited only to the technological means disclosed in the above embodiment, also
Include by the above technical characteristic arbitrarily the formed technical solution of combination.It should be pointed out that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (9)
1. a kind of contactless water-level gauge testing calibration device, it is characterised in that：Including industrial personal computer, bottom surface pedestal, it is arranged the bottom of at
Rail brackets on the pedestal of face are arranged on rail brackets and can detected along detection platform holder that guide rail moves up and down, setting
Pipe-hanging hook above platform, the pond being arranged below detection platform；The rail brackets include two the linear guides, described
Detection platform holder includes the horizontal mounting plate being arranged in the linear guide and the detection that is vertically connected in horizontal mounting plate
Platform, the horizontal mounting plate is coordinated by the rack on gear and rail brackets to be moved, and the gear is by the first driving mechanism
It drives, roller, the second driving mechanism for driving drum, arc turntable mounting plate and standard is provided in the detection platform
Water-level gauge mounting hole, the arc turntable mounting plate are connected with level(l)ing device, and the pipe-hanging hook passes through steel wire rope and rolling
Cylinder is connected.
2. contactless water-level gauge testing calibration device according to claim 1, it is characterised in that：First driving machine
Structure includes coaxially connected servo motor and turbine and worm retarder, and the turbine and worm retarder and gear are coaxially connected.
3. contactless water-level gauge testing calibration device according to claim 1, it is characterised in that：The horizontal mounting plate
On be also equipped with sliding block, the slide block set slides in the linear guide.
4. contactless water-level gauge testing calibration device according to claim 1, it is characterised in that：Second driving machine
Structure is servo motor.
5. contactless water-level gauge testing calibration device according to claim 1, it is characterised in that：The Level tune dress
It is set to two-dimentional arc turntable.
6. contactless water-level gauge testing calibration device according to claim 1, it is characterised in that：The rail brackets packet
The metal framework being vertically arranged is included, connecting plate is provided between metal framework, metal framework is also connected with floating foundation and adjustment
Block, floating foundation are connected with wall, and the auxiliary plate of installation is fixed in adjustment block, is fixedly connected by L-type plate between adjustment block and wall.
7. contactless water-level gauge testing calibration device according to claim 1 or 6, it is characterised in that：The guide rail branch
Frame is mounted on wall.
8. contactless water-level gauge testing calibration device according to claim 1, it is characterised in that：The pipe-hanging hook packet
Pulley and fixed lifting lug are included, fixed lifting lug is connect by steel wire rope with roller.
9. contactless water-level gauge testing calibration device according to claim 1, it is characterised in that：The normal water level meter
For laser water-level gauge, laser reflection plate is installed in the pond, the laser reflection plate is right against normal water level meter mounting hole
Lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820225776.7U CN207850484U (en) | 2018-02-08 | 2018-02-08 | A kind of contactless water-level gauge testing calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820225776.7U CN207850484U (en) | 2018-02-08 | 2018-02-08 | A kind of contactless water-level gauge testing calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207850484U true CN207850484U (en) | 2018-09-11 |
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ID=63411973
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820225776.7U Active CN207850484U (en) | 2018-02-08 | 2018-02-08 | A kind of contactless water-level gauge testing calibration device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414057A (en) * | 2018-02-08 | 2018-08-17 | 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 contactless water-level gauge testing calibration device |
| CN110715709A (en) * | 2019-07-11 | 2020-01-21 | 水利部南京水利水文自动化研究所 | Float type water level meter field verification method |
| CN117053903A (en) * | 2023-10-12 | 2023-11-14 | 江苏南水科技有限公司 | Verification method for zero value error of suspension-hammer type water level gauge |
| CN108414057B (en) * | 2018-02-08 | 2024-07-02 | 水利部交通运输部国家能源局南京水利科学研究院 | Non-contact type water level gauge detection and calibration device |
-
2018
- 2018-02-08 CN CN201820225776.7U patent/CN207850484U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414057A (en) * | 2018-02-08 | 2018-08-17 | 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 contactless water-level gauge testing calibration device |
| CN108414057B (en) * | 2018-02-08 | 2024-07-02 | 水利部交通运输部国家能源局南京水利科学研究院 | Non-contact type water level gauge detection and calibration device |
| CN110715709A (en) * | 2019-07-11 | 2020-01-21 | 水利部南京水利水文自动化研究所 | Float type water level meter field verification method |
| CN117053903A (en) * | 2023-10-12 | 2023-11-14 | 江苏南水科技有限公司 | Verification method for zero value error of suspension-hammer type water level gauge |
| CN117053903B (en) * | 2023-10-12 | 2023-12-15 | 江苏南水科技有限公司 | Verification method for zero value error of suspension-hammer type water level gauge |
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