CN218765513U - Water level measuring device capable of being flexibly arranged - Google Patents
Water level measuring device capable of being flexibly arranged Download PDFInfo
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- CN218765513U CN218765513U CN202223102117.XU CN202223102117U CN218765513U CN 218765513 U CN218765513 U CN 218765513U CN 202223102117 U CN202223102117 U CN 202223102117U CN 218765513 U CN218765513 U CN 218765513U
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Abstract
The utility model discloses a water level measuring device that can lay in a flexible way. The water level measuring device includes: the device comprises a floating body (8), an anchor body (12) connected to the bottom of the floating body (8) through an anchor cable (11), and a Beidou GNSS navigation module (2), a communication module and a power supply module which are arranged on the floating body (8); the Beidou GNSS navigation module (2) is used for acquiring real-time coordinate data of the floating body (8); the communication module is used for sending the real-time coordinate data to a ground data center; and the ground data center is used for converting the real-time coordinate data into real-time water level information after acquiring the real-time coordinate data. Accurate, timely and rapid measurement is realized, the labor intensity can be reduced, the cost is reduced, and the working efficiency of staff in departments such as hydrology, flood prevention and the like is improved.
Description
Technical Field
The utility model belongs to hydrology test field, more specifically relates to a water level measuring device that can lay in a flexible way.
Background
The river reservoir water level monitoring system is an important means for mastering river water situation changes in real time, scientifically warning flood disasters, improving flood control command capability and reducing damage caused by rain and flood disasters.
At present, the number of hydrological monitoring sites in the whole country is large, and the water level data in various hydrological monitoring data is the basis and the importance is high. Generally, water level data are collected in reservoirs, riverways, tide levels (heights reached by tide), and the like, but the existing water level measuring device still has certain problems and defects in the using process, and the specific problems are as follows:
(1) The flexibility is not sufficient. The conventional hydrological water level measuring device usually measures the water depth by using a sounding rod at a fixed position, and the measuring method has high accuracy in medium and low water measurement, but the problems of few observation points, low accuracy and the like usually exist in the process of monitoring flood water. And because the time that single test consumed is longer, intensity of labour is great, and the device can not be convenient laying at will, often need to build fixed facilities, has increased engineering cost and construction degree of difficulty, has weakened the flexibility in the device use.
(2) The real-time performance is poor. Even if many automatic hydrological water level measurement devices of current, the device still can't carry out real-time remote sensing, conveying and processing to water level information, and measured data can't automatic transmission for the computer or transmission quality can't get the assurance for the quality and the efficiency of hydrological monitoring work are not high.
(3) The maintenance cost of a single device is high. Although some automatic water level meters exist at present, the automatic water level meters are difficult to maintain and maintain, expensive to purchase, unrealistic and uneconomical to lay in a large area, and unnecessary cost is increased invisibly to cause waste.
SUMMERY OF THE UTILITY MODEL
To the above defect or the improvement demand of prior art, the utility model provides a water level measuring device that can lay in a flexible way, its aim at optimizes water level measuring device to realize accurate, timely, quick measurement, and can alleviate intensity of labour, reduce cost, improve department personnel's such as hydrology, flood prevention work efficiency.
In order to achieve the above object, according to an aspect of the present invention, there is provided a water level measuring device that can be flexibly laid, the device including: the device comprises a floating body, an anchor body connected to the bottom of the floating body through an anchor cable, and a Beidou GNSS navigation module, a communication module and a power supply module which are arranged on the floating body; the Beidou GNSS navigation module is used for acquiring real-time coordinate data of the floating body; the communication module is used for sending the real-time coordinate data to a ground data center; and the ground data center is used for converting the real-time coordinate data into real-time water level information after acquiring the real-time coordinate data. The bottom of the floating body is connected with an anchor tying ring, one end of the anchor rope is connected with the anchor tying ring, the other end of the anchor rope is connected with the anchor body, and the anchor rope is connected with a floating ball and used for floating and hanging the anchor rope with the reserved length.
Preferably, the floating body comprises a hollow body and a transparent shield disposed on top of the body.
Preferably, the communication module comprises a Beidou RDSS module and a wireless communication module.
Preferably, a stabilizing hammer is arranged at the bottom center of the floating body.
Preferably, the power supply module comprises an energy storage battery, a photovoltaic panel and a photoelectric controller.
Preferably, the length value of the anchor cable is greater than the historical highest water level value of the water area to be measured.
Preferably, the photovoltaic cell panel and the Beidou GNSS navigation module are arranged in the protective cover, and the energy storage battery, the communication module and the photoelectric controller are arranged in the body of the floating body.
Generally, compared with the prior art, the above technical solution contemplated by the present invention can at least obtain the following beneficial effects.
(1) The utility model adopts the Beidou GNSS satellite positioning receiver to measure the hydrological water level, does not need to build fixed facilities, is flexible to lay, can be laid at any water surface position according to the needs, monitors the water level of natural waters such as rivers, lakes, tides and reservoirs, and monitors the flood or waterlogging in the flood season; the device can measure in real time in all weather, is high in measurement accuracy, provides position information through the Beidou GNSS navigation module, and transmits the information to the ground data center through the communication module in real time. Accurate, timely and rapid measurement is realized, the labor intensity can be reduced, the cost is reduced, and the working efficiency of staff in departments such as hydrology, flood prevention and the like is improved.
(2) The power supply module comprises a photovoltaic cell panel, is powered by solar energy, is low-carbon and energy-saving, has lasting running time, basically does not need additional maintenance, and reduces the running cost.
Drawings
Fig. 1 is a schematic structural diagram of a flexibly-laid water level measuring device provided by the present invention;
fig. 2 is the utility model provides a body internal structure schematic diagram of the body among the water level measuring device that can lay in a flexible way.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein:
1-a protective cover; 2-a Beidou GNSS navigation module; 3-a photovoltaic cell panel; 4-a wireless communication module; 5-a Beidou RDSS module; 6-an energy storage battery; 7-a photoelectric controller; 8-a float; 9-tying an anchor ring; 10-a stabilizer hammer; 11-anchor cable; 12-an anchor body; 13-floating ball.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The embodiment of the utility model provides a water level measuring device that can lay in a flexible way, see fig. 1 and fig. 2, the device includes: the device comprises a floating body 8, an anchor body 12 connected to the bottom of the floating body 8 through an anchor cable 11, and a Beidou GNSS navigation module 2, a communication module and a power supply module which are arranged on the floating body 8; the Beidou GNSS navigation module 2 is used for acquiring real-time coordinate data of the floating body 8; the communication module is used for sending the real-time coordinate data to a ground data center; and the ground data center is used for converting the real-time coordinate data into real-time water level information after acquiring the real-time coordinate data.
The power supply module comprises an energy storage battery 6, a photovoltaic cell panel 3 and a photoelectric controller 7. The photovoltaic cell panel 3 of this embodiment utilizes the photoelectric effect of photovoltaic array to convert light energy into electric energy, and the photovoltaic array output is the direct current, and its output voltage, electric current change along with illumination intensity and load that connects, and the electric energy that the panel sent charges big dipper GNSS navigation module 2.
In order to prevent that abominable environmental weather is right the utility model discloses the damage of device prolongs simultaneously the utility model discloses the life of device, body 8 includes the cavity body and sets up at the transparent protection casing 1 at the body top, and protection casing 1 is used for protecting photovoltaic cell board 3 and the inside circuit of body 8. Photovoltaic cell board 3 with big dipper GNSS navigation module 2 sets up in protection casing 1, and energy storage battery 6, communication module and photoelectric controller 7 set up in the body of body 8.
Specifically, the longitude and latitude and geodetic elevation information of the Beidou GNSS satellite of each epoch are solved by means of real-time precise single-point positioning; the method comprises the steps of solving the three-dimensional speed and the acceleration of a Beidou GNSS satellite by utilizing a differential observation equation for calculating the orbit, the median error and the phase epoch of a real-time precise satellite, then solving an attitude angle comprising an azimuth angle, a pitch angle and a roll angle by utilizing a GNSS single antenna, then calculating the geodetic elevation of each epoch corresponding to the water surface based on the geodetic elevation, the attitude angle and the lever arm vector from a static draft GNSS antenna to the water surface of the Beidou GNSS satellite, carrying out attitude correction on the obtained elevation information, calculating a pseudo range and a Doppler frequency shift through internal signal processing, finally solving a satellite navigation message, obtaining the real-time coordinate information and the elevation data of the contact position of a floating body and the water surface, and decoding and packaging the obtained data by a communication module and sending the decoded and packaged data to a ground data center. The ground data center is used for calculating relative water level data by utilizing real-time elevation data and a station measurement reference after acquiring real-time coordinate data; in this embodiment, the real-time elevation data and the absolute water level both use the yellow sea datum level as a datum, and at this time, the real-time elevation data can be used as the absolute water level. And converting the real-time coordinate data into real-time water level information.
Specifically, in this embodiment, a Beidou GNSS navigation module is used to obtain real-time coordinate data of the floating body 8, where the real-time coordinate data includes real-time longitude, real-time latitude and real-time elevation data. During working, signals transmitted by a satellite are received, electromagnetic waves broadcast by the satellite are converted into electric signals convenient to process, pseudo range and Doppler frequency shift are calculated through internal signal processing, satellite navigation messages are finally demodulated, and real-time coordinate information of the contact position of a floating body and the water surface is obtained. The conversion of the electromagnetic waves and the electric signals, the processing and the calculation of the electric signals and the like are all the prior art, and the Beidou GNSS navigation module is the Beidou GNSS receiver.
The Beidou GNSS receiver receives a wireless signal from a satellite and then transmits the signal to a radio frequency input end of a radio frequency channel of the receiver through a feeder line, the radio frequency channel receives the signal and then generates an intermediate frequency signal suitable for analog conversion through operations such as amplification, filtering, down-conversion and the like, an analog-to-digital converter receives the intermediate frequency signal and then digitizes the intermediate frequency signal and outputs a digital signal with a certain digit to a baseband processing chip (FPGA), the baseband processing chip performs a series of digital signal processing on the intermediate frequency signal to recover original positioning information broadcast by the satellite, the original positioning information is output to an application processor (ARM or DSP) in the form of information code stream, the application processor calculates the position of an antenna phase center and the moving speed of the receiver according to the original positioning information, a GNSS single antenna is used for calculating attitude angles including azimuth, pitch angle and roll angle, and then the earth elevation of each epoch corresponding to the water surface is calculated based on the earth elevation, attitude angle and lever ARM vectors of the static water antenna to the water surface of the Beidou GNSS satellite.
In the embodiment, the Beidou GNSS receiver adopts a Beidou differential measurement technology to perform accurate positioning, and the accuracy reaches the centimeter level. According to the regional situation of hydrologic monitoring, the embodiment adopts two measurement technologies for positioning measurement, the first situation is that in an area without coverage of a Beidou foundation enhancement system (a system which is composed of a ground Beidou reference station network and provides high-precision Beidou differential positioning service for users), the PPP (precision point positioning) measurement technology of a satellite-based enhancement system is adopted for measurement, and the positioning precision is superior to 10 cm; the second situation is that in the area covered by the Beidou foundation enhancement system, RTK (Real time kinematic) measurement technology is adopted for measurement, and the positioning precision is better than 5 cm. The Beidou GNSS receiver has the two measurement functions at the same time.
The communication module comprises a Beidou RDSS module 5 and a wireless communication module 4. Then regularly send the coordinate data that the GNSS setpoint was gathered to ground data center through 4G wireless communication module 4 or big dipper RDSS module 5, utilize 4G wireless communication module 4 or big dipper RDSS module 5 that big dipper GNSS navigation module 2 was built-in promptly to carry out data communication, and the data quantity of communicating each time is 98 ASCII sign indicating numbers, and the frequency of service can set up. Real-time hydrology water level data information is mastered fast to messenger's engineering personnel, compares in the mode of traditional hydrology water level monitoring, and this kind of mode has more intelligent, quick, nimble, efficient characteristics.
Because during the water level rose, there was the unsteady influence of ripples of water in the inevitable, can make measuring device receive the unsteady influence of ripples of water, caused the measuring inaccurate easily, so the embodiment of the utility model provides an in, 8 bottom central point departments of body set up stabilizer 10, reduce the disturbance that the ripples of water floated the production to improve measuring device's overall stability.
In order to incite somebody to action the utility model discloses device anchoring to the bottom of a river, 8 bottoms of body are connected and are tied anchor ring 9, 11 one end connections of anchor rope are tied anchor ring 9, and the anchor body 12 is connected to the other end, connect floater 13 on the anchor rope 11 for the anchor rope 11 of floating crane deposit length. When the water level rises, the floating ball 13 releases the anchor cable 11 with reserved length, so that the measuring device can freely rise along with the water level. And the length value of the anchor cable is greater than the historical highest water level value of the water area to be detected.
Converting the real-time coordinate data into real-time water level information: the elevation data can be converted into water level data. The depth of water generally refers to the height from the water surface to the river bottom; the elevation benchmark is a 0 m calculation point of the altitude, and the yellow sea benchmark is used in China at present and is positioned in Qingdao; the water levels generally include a relative water level and an absolute water level. The relative water level is calculated from the base level of the measuring station. The absolute water level is calculated from the national elevation datum (yellow sea datum). After the elevation data determine the datum plane, calculating by utilizing the real-time elevation data and the station measurement datum to obtain relative water level data; in China, the real-time elevation data and the absolute water level both take the yellow sea datum level as the datum, and the real-time elevation data can be used as the absolute water level. The 4G wireless communication module arranged in the receiver sends the coordinate information to the data center in real time; the built-in big dipper RDSS module can adopt big dipper RDSS module to utilize big dipper satellite transmission measuring result information under the field environment that does not have the 4G signal.
The embodiment of the utility model provides a can be used for the water level data of real-time supervision reservoir, lake, river course, river, flood season city flood or waterlogging. When the device is used for monitoring water level data of a river channel or a river in real time, the flexibly-arranged water level measuring devices are arranged at intervals of preset distance along the water flow direction of the river channel or the river, and the preset distance is 500-1000 meters.
As an example, carry out the pilot application in the country of the Zhouqu of Gansu province white Longjiang river basin, do not have 500 meters to lay one set of device in proper order along the river course from the upper reaches to low reaches, carry out real-time meticulous water level monitoring, the utility model provides a device provides for providing accurate reliable and abundant data support again, supplementary relevant department scientific decision-making for providing mountain torrent calamity early warning. Meanwhile, the device is accurate, timely and quick, can reduce the labor intensity and the cost, and improves the working efficiency of staff in departments of hydrology, flood prevention and the like.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A flexibly deployable water level measuring device, comprising:
the device comprises a floating body (8), an anchor body (12) connected to the bottom of the floating body (8) through an anchor cable (11), and a Beidou GNSS navigation module (2), a communication module and a power supply module which are arranged on the floating body (8); the bottom of the floating body (8) is connected with an anchor tying ring (9), one end of the anchor rope (11) is connected with the anchor tying ring (9), the other end of the anchor rope is connected with an anchor body (12), and the anchor rope (11) is connected with a floating ball (13) and used for floating and hanging the anchor rope (11) with the reserve length.
2. Water level measuring device according to claim 1, characterized in that the float (8) comprises a hollow body and a transparent shield (1) arranged on top of the body.
3. The water level measuring device according to claim 1, characterized in that the communication module comprises a Beidou RDSS module (5) and a wireless communication module (4).
4. Water level measuring device according to claim 1, characterized in that the length of the anchor cable (11) is greater than the historical maximum water level value of the water area to be measured.
5. Water level measuring device according to claim 1, characterized in that a stabilizer weight (10) is arranged in the central position of the bottom of the float (8).
6. Water level measuring device according to claim 2, characterized in that the power supply module comprises an energy storage battery (6), a photovoltaic panel (3) and a photoelectric controller (7).
7. Water level measuring device according to claim 6, characterized in that said photovoltaic panel (3) and said Beidou GNSS navigation module (2) are arranged in a protective cover (1).
8. Water level measuring device according to claim 6, characterized in that the energy storage battery (6), the communication module and the opto-electronic control (7) are arranged in the body of the float (8).
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| CN202223102117.XU CN218765513U (en) | 2022-11-22 | 2022-11-22 | Water level measuring device capable of being flexibly arranged |
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| CN202223102117.XU CN218765513U (en) | 2022-11-22 | 2022-11-22 | Water level measuring device capable of being flexibly arranged |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117008177A (en) * | 2023-09-28 | 2023-11-07 | 中国测绘科学研究院 | Seabed control point three-dimensional coordinate calibration method based on integrated platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117008177A (en) * | 2023-09-28 | 2023-11-07 | 中国测绘科学研究院 | Seabed control point three-dimensional coordinate calibration method based on integrated platform |
| CN117008177B (en) * | 2023-09-28 | 2023-12-12 | 中国测绘科学研究院 | Seabed control point three-dimensional coordinate calibration method based on integrated platform |
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