CN203940902U - Ultrasonic water level automated watch-keeping facility - Google Patents
Ultrasonic water level automated watch-keeping facility Download PDFInfo
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- CN203940902U CN203940902U CN201420308901.2U CN201420308901U CN203940902U CN 203940902 U CN203940902 U CN 203940902U CN 201420308901 U CN201420308901 U CN 201420308901U CN 203940902 U CN203940902 U CN 203940902U
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Abstract
The utility model relates to a kind of ultrasonic water level automated watch-keeping facility, solves ultrasonic water level measurement mechanism that the existing water surface chooses sky formula above and changes large regional measuring error problem greatly at temperature, humidity, river water level.This device comprises the column being arranged on riverbank, the top of column is provided with chooses the crossbeam that sky sets up top, river course, it is characterized in that: the concrete foundation of watering the level of being provided with on the riverbed of described crossbeam below, between crossbeam and concrete foundation, be provided with at least two vertical guide lines, guide line is provided with and swims in water surface upper floating ball, ball float is hermetic water-proof structure, ball float bottom surface middle pocket, ultrasonic transducer is set in cavity, in ball float, be also provided with the accumulator that electric energy is provided, deal with data the telemetering terminal transmitting, ball float is also provided with the solar panels into charge in batteries towards a southern side.The utility model utilization utilizes the water body of stable in properties as ultrasonic medium, makes ultrasonic measurement workable moisture, temperature, the water level discrepancy in elevation change area greatly.
Description
Technical field
The utility model relates to a kind of hydrographic survey device, particularly a kind of ultrasonic water level automated watch-keeping facility that adopts ultrasound wave automatically to monitor river level.
Technical background
Hydrology department is observed hydraulic condition of river information throughout the year, and wherein, the waterlevel data in river course is important hydrographic information.Traditional Level monitor generally adopts gauge mode, and the position in river course near bank arranges gauge, and general relatively more steady, the little feature of wave of position current of utilizing river course to pull in to shore is directly carried out reading on gauge.This gauge metering system cost is low, but needs artificial reading, cannot provide continuous measurement data, and the in the situation that of bad weather, read-around ratio is more difficult.
Adopt in addition the measuring method of float-type, in river course, one side is offered vertical measuring well, and the bottom of measuring well is communicated with river course, forms linker, a float is set on the water surface of measuring well, by the float driving mechanical meter deflection of floating, obtains water level information.Although this metering system is stable, construction cost is high, is not suitable for extensive multipoint application.Therefore most places level measuring still adopts the mode of gauge.
Utilize in addition at present ultrasonic transducer to measure water level, as the Chinese patent CN202599479U of bulletin on Dec 12nd, 2012, name is called a kind of river water level monitor, this device comprises firm banking, support and suspension rod, described support is arranged on firm banking, suspension rod is arranged on the top of support, mid-stent is also arranging circuit box, support top is provided with alarm lamp harmony alarm, one of suspension rod is provided with measuring cylinder, and described measuring cylinder inside is provided with ultrasonic transducer and temperature sensor.This device is chosen sky by ultrasonic transducer and is arranged on water surface top, utilize water-reflected to obtain waterlevel data, ultrasound wave is propagated in air, airborne temperature, humidity can produce larger impact to the precision of ultrasonic measurement, when especially humidity is higher, can form droplet at ultrasonic transducer probe, measuring accuracy is affected greatly, and because the situation of change of temperature humidity in air is complicated, measurement mechanism is larger apart from the water surface error producing far away, precision is lower.The west areas such as Xinjiang in China, river water level height change is little, according to waterlevel data over the years, high and the minimum fluctuation of water level is even in 5 meters, said apparatus can be arranged on 5 meters of left and right of the water surface and can guarantee can not be submerged, and this Climate is throughout the year comparatively dry, adopt said apparatus can obtain higher measuring accuracy.And in southeasts such as Zhejiang, Jiangsu, some river water level amplitude of variation even can reach more than 20 meters, it is very high that corresponding measurement mechanism must arrange, even apart from the water surface, reach 30 meters, and air themperature humidity changes greatly, utilizes water-reflected ultrasonic measurement waterlevel data can produce very large error.
Summary of the invention
The purpose of this utility model is to solve ultrasonic water level measurement mechanism that the existing water surface chooses sky formula above and changes large regional measuring error problem greatly at temperature, humidity, river water level, and a kind of ultrasonic water level automated watch-keeping facility of underwater ultrasound level measuring is provided.
The utility model solves the technical scheme that its technical matters adopts: a kind of ultrasonic water level automated watch-keeping facility, comprise the column being arranged on riverbank, the top of column is provided with chooses the crossbeam that sky sets up top, river course, on the riverbed of described crossbeam below, water the concrete foundation of the level of being provided with, between crossbeam and concrete foundation, be provided with at least two vertical guide lines, guide line is provided with and swims in water surface upper floating ball, ball float is hermetic water-proof structure, middle part, ball float bottom surface is provided with cavity, ultrasonic transducer is set in cavity, in ball float, be also provided with the accumulator that electric energy is provided, deal with data the telemetering terminal transmitting, ball float is also provided with the solar panels into charge in batteries towards a southern side.Ball float is subject to the restriction of guide line, floats on the surface and slides up and down with water level, and concrete foundation is not only as the fixing basis of guide line, and is the benchmark that level measuring converts, and between fixing concrete foundation and riverbed water level, has fixing conversion relation.The ultrasonic transducer of ball float bottom sends signal through the reflection of the concrete foundation on riverbed, or measurement data, then can accurately obtain waterlevel data after converting.Ultrasonic propagation medium be take water body as medium, relative air dielectric, water body medium character is stable, and the impact that ultrasonic propagation is caused is fixed substantially, with easily calibration, be more suitable for that air humidity, temperature variation are large, the river water level discrepancy in elevation changes area greatly.The data that ultrasonic transducer records, after the rough handling of telemetering terminal, are wirelessly transmitted in hydrometric station.Solar panels are charge in batteries when having sunlight, meet overall operation demand.
As preferably, described guide line is parallel two, and ball float both sides are respectively equipped with the collar coordinating with two guide lines sockets.
As preferably, the top of described ball float is provided with the antenna being connected with telemetering terminal.
As preferably, the position that described crossbeam is corresponding with guide line is provided with back-moving spring, and the upper end of guide line is fixed in the bottom of column through behind the lower end of back-moving spring.Back-moving spring can provide long fastening effect, avoids guide line loosening.
As preferably, described ball float is bottom surface plane, and top is hemispherical semisphere, and ball float hemisphere face is provided with maintenance window with too can a plate relative side, and maintenance window periphery is provided with O-ring seal.
As preferably, the hemisphere face of described ball float adopts fiberglass to make.
Basis, ball float ultrasonic measurement riverbed to the altitude information between the water surface that the utility model utilization swims in the water surface is converted into waterlevel data, utilize the water body of stable in properties as ultrasonic medium, the impact of having avoided air humidity, temperature variation to propagate ultrasonic signal, makes ultrasonic measurement workable moisture, temperature, the water level discrepancy in elevation change area greatly.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the utility model.
Fig. 2 is the utility model floating ball structure schematic diagram.
In figure: 1. column, 2. crossbeam, 3. back-moving spring, 4. guide line, 5. ball float, 6. concrete foundation, 7. telemetering terminal, 8. ultrasonic transducer, 9. accumulator, 10. solar panels, 11. antennas, 12. maintenance windows, 13. hemisphere faces, 14. collars.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is further illustrated.
Embodiment: a kind of ultrasonic water level automated watch-keeping facility, as shown in Figure 1.This device comprises being arranged on riverbank column 1, and the top horizontally set of column is chosen the crossbeam 2 that sky is erected at overhead, river course, on the riverbed of crossbeam below, waters the concrete foundation 6 that is provided with plane.Between crossbeam and concrete foundation, be provided with two vertical parallel guide lines 4, the bottom of guide line is fixed in concrete foundation, crossbeam is provided with two back-moving springs 3, the upper end of guide line, through the bottom that is fixed on column behind back-moving spring bottom, utilizes the pulling force of back-moving spring to make guide line keep tensioned state.Guide line 4 is slidably fixed with ball float 5 up and down, and ball float 5 swims on the water surface, utilizes the distance of ultrasonic measurement water surface distance riverbed concrete foundation, and then is converted into waterlevel data.
As shown in Figure 2, ball float is the fiberglass hemisphere of sealing waterproof to ball float 5 structures, and ball float bottom surface is plane, and top is hemisphere face 13, and the bottom of hemisphere face both sides is respectively equipped with the collar 14, and the collar is set on guide line with the water surface slip of drifting along up and down.The center of ball float bottom surface is provided with cavity, and ultrasonic transducer 8 is set in cavity down.In ball float, be also provided with accumulator 9 and telemetering terminal 7, a side of ball float hemisphere face outside is also provided with solar panels 10, and solar panels are charge in batteries, and accumulator provides electric power for ultrasonic transducer and telemetering terminal.Ultrasonic transducer is connected with telemetering terminal signal, and hemisphere face 13 tops of ball float are also provided with the antenna 11 being connected with telemetering terminal, and telemetering terminal carries out after rough handling the signal of ultrasonic transducer, by wireless signal transmission in hydrometric station.The opposite side of ball float hemisphere face 13 relative solar panels 10 is provided with maintenance window 12, and maintenance window periphery is provided with O-ring seal.
During this measurement device, ultrasound wave is usingd the water body of stable in properties as propagation medium, and the impact that propagation medium causes ultrasonic propagation is relatively stable, can be calibrated and be eliminated by the contrast test of limited number of time.Avoided measuring above the water surface, air themperature humidity changes ultrasonic propagation impact unstable, and the variation of the water level discrepancy in elevation has aggravated this labile factor, causes net result deviation larger.
Claims (6)
1. a ultrasonic water level automated watch-keeping facility, comprise the column being arranged on riverbank, the top of column is provided with chooses the crossbeam that sky sets up top, river course, it is characterized in that: the concrete foundation of watering the level of being provided with on the riverbed of described crossbeam below, between crossbeam and concrete foundation, be provided with at least two vertical guide lines, guide line is provided with and swims in water surface upper floating ball, ball float is hermetic water-proof structure, ball float bottom surface middle pocket, ultrasonic transducer is set in cavity, in ball float, be also provided with the accumulator that electric energy is provided, deal with data the telemetering terminal transmitting, ball float is also provided with the solar panels into charge in batteries towards a southern side.
2. ultrasonic water level automated watch-keeping facility according to claim 1, is characterized in that: described guide line is parallel two, and ball float both sides are respectively equipped with the collar coordinating with two guide lines sockets.
3. ultrasonic water level automated watch-keeping facility according to claim 1, is characterized in that: the top of described ball float is provided with the antenna being connected with telemetering terminal.
4. ultrasonic water level automated watch-keeping facility according to claim 1, is characterized in that: the position that described crossbeam is corresponding with guide line is provided with back-moving spring, and the upper end of guide line is fixed in the bottom of column through behind the lower end of back-moving spring.
5. according to the ultrasonic water level automated watch-keeping facility described in claim 1 or 2 or 3 or 4, it is characterized in that: described ball float is bottom surface plane, top is hemispherical semisphere, and ball float hemisphere face is provided with maintenance window with a side that too can be can plate relative, and maintenance window periphery is provided with O-ring seal.
6. ultrasonic water level automated watch-keeping facility according to claim 5, is characterized in that: the hemisphere face of described ball float adopts fiberglass to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308901.2U CN203940902U (en) | 2014-06-11 | 2014-06-11 | Ultrasonic water level automated watch-keeping facility |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308901.2U CN203940902U (en) | 2014-06-11 | 2014-06-11 | Ultrasonic water level automated watch-keeping facility |
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| Publication Number | Publication Date |
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| CN203940902U true CN203940902U (en) | 2014-11-12 |
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| CN201420308901.2U Active CN203940902U (en) | 2014-06-11 | 2014-06-11 | Ultrasonic water level automated watch-keeping facility |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132714A (en) * | 2014-06-11 | 2014-11-05 | 浙江省水文局 | Automatic ultrasonic water level monitoring device |
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2014
- 2014-06-11 CN CN201420308901.2U patent/CN203940902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132714A (en) * | 2014-06-11 | 2014-11-05 | 浙江省水文局 | Automatic ultrasonic water level monitoring device |
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