CN111103038A - Supervision method and system for hydrologic information - Google Patents
Supervision method and system for hydrologic information Download PDFInfo
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- CN111103038A CN111103038A CN201911327746.2A CN201911327746A CN111103038A CN 111103038 A CN111103038 A CN 111103038A CN 201911327746 A CN201911327746 A CN 201911327746A CN 111103038 A CN111103038 A CN 111103038A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/68—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A90/30—Assessment of water resources
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Abstract
The invention provides a method and a system for supervising hydrological information, wherein hydrological information of a measuring point is acquired by using water level measuring equipment and video acquisition equipment, wherein the hydrological information comprises the water level information of the measuring point and the area of a water storage area; drawing a time relation curve of the area information and the water level information based on a plurality of groups of continuously monitored water level information and area information, constructing topographic information of the water storage area based on the relation curve, and calculating to obtain the current water storage capacity of the water storage area; and controlling the water level information to be within the water level threshold or controlling the water storage amount to be within the water level threshold or the water storage amount threshold by utilizing the drainage system in response to the water level information being higher than the preset water level threshold or the water storage amount being larger than the preset water storage amount threshold. The method can continuously correct accurate information measurement according to continuous correction and dynamic inversion change of data so as to accurately monitor and control hydrological information.
Description
Technical Field
The invention relates to the field of water level measurement engineering, in particular to a method and a system for supervising hydrologic information.
Background
In recent years, due to inaccurate water level measurement in a specific area, great troubles are brought to engineering construction, agricultural operation, industrial application and human life, and sometimes even great financial, material and manpower losses are caused. The conventional measurement method is generally a single means, or by relying on national atmospheric monitoring, the error of water level accumulation or water flow aggregation in a specific area is often large, prediction or accurate measurement on a local area is difficult, information uncertainty is caused, and accurate information of an accurate water level and water storage amount is difficult to obtain.
At present, the dangerous situations of life safety, production safety, crop yield reduction and the like caused by water accumulation problems of road surface water accumulation, field water accumulation, industrial equipment water accumulation and the like often occur. Particularly, the water depth of the sunken road can not be monitored, and when the water depth of the sunken road reaches a certain depth, the safety of passing vehicles, pedestrians and the like can be directly threatened. For example, when a sunken road such as a tunnel, a flyover bottom and the like existing in the current urban road meets heavy rain or a water pipe bursts, a pedestrian or vehicle drowning accident caused by too deep water accumulation often occurs. Therefore, in order to remove dangerous situations in time, a water accumulation monitoring terminal needs to be installed in a place where water accumulation is easy to generate so as to monitor the water accumulation condition in real time. In view of the fact that the existing wireless public communication technology is mature and wide in signal coverage area, the existing accumulated water monitoring terminal is usually communicated by adopting a mobile communication technology, so that the existing accumulated water monitoring terminal is large in power consumption and difficult to implement and maintain.
Disclosure of Invention
In order to solve the technical problem that accurate information of water level and water storage amount is difficult to accurately obtain in the prior art, the invention provides a method and a system for monitoring hydrologic information, and solves the problems that errors are large due to accumulation or aggregation of water level in a specific area, and accurate information of the water level and the water storage amount is difficult to obtain.
In one aspect, the present invention provides a method for supervision of hydrologic information, comprising the steps of:
s1: acquiring hydrological information of a measuring point by using water level measuring equipment and video collecting equipment, wherein the hydrological information comprises the water level of the measuring point and the area of a water storage area;
s2: drawing a time relation curve of the area and the water level based on a plurality of groups of continuously monitored water levels and areas, constructing topographic information of the water storage area based on the relation curve, and calculating to obtain current water storage amount information of the water storage area;
s3: and controlling the water level information to be within the water level threshold or controlling the water storage amount to be within the water level threshold or the water storage amount threshold by utilizing the drainage system in response to the water level information being higher than the preset water level threshold or the water storage amount information being larger than the preset water storage amount threshold.
In a specific embodiment, the topographic information in step S2 is specifically constructed by obtaining the topographic variation of the water storage area by using the variation of the undulation angle between the hypotenuse of the basic unit and the horizontal ground, and further constructing the topographic information. The change of the fluctuation included angle in the change time is continuously solved, and more accurate terrain fluctuation change conditions can be obtained as long as the time interval is small enough.
In a specific embodiment, the included undulation angle is calculated by
Wherein r is the distance between the horizontal boundary and the middle measurement position of a basic unit, h is the height between the horizontal boundary and the middle measurement position, and the increase of the included angle is arctan (h1-h)/(r1-r), wherein h1 is the distance between the horizontal boundary and the middle measurement position at different times, and r1 is the height between the horizontal boundary and the middle measurement position at different times. The calculation formula can calculate the undulation included angle very simply, and can accurately restore the change condition of the terrain by converting a plurality of groups of undulation included angles into parameters of terrain transformation.
In a specific embodiment, the hydrological information further includes rainfall, and a relationship between the rainfall and the water storage amount is K-V-P, where K is the water storage amount, V is the rainfall acquired by the rainfall sensor, and P is the rainfall consumption. Through the relation between the rainfall capacity and the water storage capacity, the water storage capacity can be conveniently controlled, and the influence of the rainfall capacity on the water storage capacity is prevented.
In a specific embodiment, the method further comprises displaying the hydrological information of the measurement point in real time by using the wireless transmission device, and simultaneously protecting the information by using frequency domain encryption. Through frequency domain encryption, information protection can be realized, and the requirements of different users are met.
According to a second aspect of the present invention, a computer-readable storage medium is proposed, on which a computer program is stored, which computer program, when being executed by a computer processor, is adapted to carry out the above-mentioned method.
According to a third aspect of the present invention, there is provided a surveillance system for hydrologic information, the system comprising:
hydrology information acquisition module: the method comprises the steps that hydrological information of a measuring point is obtained by using water level measuring equipment and video collecting equipment, wherein the hydrological information comprises the water level information of the measuring point and the area of a water storage area;
a water storage amount module: the method comprises the steps of configuring a time relation curve of area information and water level information based on a plurality of groups of continuously monitored water level information and area information, simulating and obtaining topographic information of a water storage area based on the relation curve, and calculating and obtaining current water storage amount information of the water storage area;
hydrology information management module: and the water level information or the water storage amount is controlled to be within the water level threshold value or the water storage amount threshold value by the drainage system in response to the water level information being higher than the preset water level threshold value or the water storage amount information being larger than the preset water storage amount threshold value.
In a specific embodiment, the water level measuring device comprises a floating ball displacement channel, a plurality of rolling element displacement channels and a plurality of parallel circuits, wherein the rolling element displacement channels are vertically arranged on the floating ball displacement channel at intervals, each rolling element displacement channel corresponds to one parallel circuit, and the opening and closing of the parallel circuits are converted into the water level information of the current position. By means of the water level measuring device, the change of the water level can be accurate.
In a specific embodiment, the water level measuring device further comprises a floating ball and a plurality of rolling bodies, wherein the floating ball is provided with a magnet, the floating ball is arranged in the floating ball displacement channel, the rolling bodies are metal rolling bodies which can be adsorbed or repelled by the magnet, the rolling bodies are arranged in the rolling body displacement channel, and the rolling bodies move left and right to control the switching of the parallel circuit. The circuit is ingeniously controlled by the magnet to adsorb the metal rolling bodies, and the multiple groups of parallel circuits can be converted into different water level electric signals.
In a specific embodiment, the floating ball displacement channel is open, the floating ball displacement channel is communicated with an external water source, the floating ball moves up and down in the floating ball displacement channel along with the water level change of the water source, and the rolling body displacement channel is a closed space. By means of the open floating ball displacement channel, the accuracy of the water level information can be ensured by utilizing the synchronous relation between the floating ball and the water level.
According to the invention, through the electronic water level measuring equipment, the water level measurement of the low-power-consumption circuit in a normally open mode is realized, the water level measurement of the system in a low-power-consumption mode is realized, and the water level information acquisition of a specific measuring point is realized; then, combining with a video acquisition device, realizing the measurement of the peripheral water storage position and distance based on the water level measurement point, and realizing the measurement of the measurement area of the water storage area based on the video acquisition; then, calculating the water storage capacity of the range of the measuring point according to the water level information value of the measuring point and the size of the water storage area range measured by the video; the water level and water quantity measurement of different scenes and different terrain changes is realized by combining the changes of different video water storage boundaries and combining a big data analysis technology; secondly, calculating a relation curve and a fitting curve of drainage and water storage by combining the measurement information of the rainfall sensor, and providing real-time dynamic water information analysis by combining a big data analysis tool; meanwhile, the aim of specific water storage or the aim of keeping a specific water level and water storage is fulfilled by combining a drainage system; meanwhile, public information broadcasting such as wifi and Bluetooth is achieved through the wireless transmission device, public water level information is provided for the periphery, dynamic display of water level field information is achieved, the purpose of flexible application is achieved, and the wireless water level display device can be popularized and applied on a large scale.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the invention. Other embodiments and many of the intended advantages of embodiments will be readily appreciated as they become better understood by reference to the following detailed description. Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a flow chart of a method of supervision of hydrologic information of one embodiment of the present application;
FIG. 2 is a schematic illustration of the calculation of included undulation angles for a specific embodiment of the present application;
FIG. 3 is a schematic illustration of frequency domain encryption of a specific embodiment of the present application;
FIG. 4 is a framework diagram of a regulatory system for hydrologic information of one embodiment of the present application;
FIG. 5 is a schematic structural view of a water level measuring apparatus according to a specific embodiment of the present application;
FIG. 6 is a schematic diagram of the general structure of a video apparatus and a water level measuring apparatus according to a specific embodiment of the present application;
fig. 7 is a schematic diagram of a display and a wireless module according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 shows a flowchart of a method for supervising hydrologic information according to an embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
s101: and acquiring hydrological information of the measuring point by using the water level measuring equipment and the video acquisition equipment, wherein the hydrological information comprises the water level information of the measuring point and the area of the water storage area. And the water level information is acquired and used as a data basis for subsequent relation curve construction and supervision.
In a specific embodiment, the video-based water storage area measuring system can realize different size measurement of the water storage area through video acquisition equipment, and realize different boundary measurement of the water storage area by combining position, installation height and size calibration, so as to obtain water storage area information measurement and acquisition based on the periphery of a water level measuring point.
S102: and drawing a time relation curve of the area information and the water level information based on a plurality of groups of continuously monitored water level information and area information, constructing topographic information of the water storage area based on the relation curve, and calculating to obtain the current water storage amount of the water storage area. The hydrological condition of the current water area can be better analyzed by acquiring the topographic information and the water storage capacity, early warning can be generated conveniently in advance, and adverse effects caused by severe changes of water level information are prevented.
In a specific embodiment, the water storage information of each time is calculated by combining the time video measurement boundary and the water level height information at different times, the terrain of the ground is inverted by combining the acquired measurement information, the terrain curve of each unit area is realized, and the change of the terrain of the ground and the water storage information can be dynamically tracked in real time; as shown in the schematic diagram of FIG. 2, assuming that the horizontal boundary of a basic unit is at a distance r and a height h from the middle measurement position, the included angle between the hypotenuse of the basic unit and the level ground is calculated
Different included angles can be obtained at different time according to different measured h and different measured r, the increase of the included angle at the second time is equivalent to a trapezoid by combining the measured included angles, the increase of the included angle is arctan (h1-h)/(r1-r), and the fluctuation change of the terrain of the measuring area can be obtained by continuously measuring the variation of the included angle. Because the water level area and the height are continuously monitored, the curve relation and the node of the water level height, the water accumulation area and the time can be drawn according to a plurality of groups of water accumulation height and water accumulation area dataAnd the terrain of the ground can be inverted by combining the big data tool.
In a specific embodiment, the slope in fig. 2 can be regarded as a segment of a variation curve, by continuously evaluating the variation time. The variation of this angle. As long as this time interval is small enough, it is possible to perfectly restore the shape of the hypotenuse of the curve, eventually resulting in a change in the topography.
In a specific embodiment, the water storage capacity information, the terrain inversion, the rainfall and water storage relation and the like are obtained through numerical inversion by combining the continuous change and the measurement information of the time water storage information and a time sequence calculation method and a big data analysis method, and meanwhile, the continuous correction and the dynamic inversion change of data are realized, and the continuous correction and accurate information measurement is provided. The time series calculation method comprises the following steps: based on a random process and mathematical statistics, a statistical rule followed by a random data sequence is researched, wherein the water storage amount information, the terrain information and the rainfall can be converted into a relation with time, the time is an independent variable, and the rest variables are dependent variables, so that the relation of the variables can be dynamically analyzed. The big data analysis method comprises the following steps: because the data is continuously collected for a long period of time, the intrinsic relationships of these variables can be explored.
In a preferred embodiment, a rainfall sensor can be further arranged for acquiring different rainfall information, and the nonlinear change relation between rainfall around the measurement position and water storage is acquired by combining the change of the water storage position; assuming that the rainfall per unit time is V, the consumption is P and the water storage capacity is K, K is V-P, according to the equivalent relation, assuming that the rainfall is a circular area in a certain area, the volume calculation is obtained according to the cylinder calculation, and meanwhile, the included angle measurement is carried out in the formula, so that the nonlinear change relation is obtained.
S103: and controlling the water level information to be within the water level threshold or controlling the water storage amount to be within the water level threshold or the water storage amount threshold by utilizing the drainage system in response to the water level information being higher than the preset water level threshold or the water storage amount being larger than the preset water storage amount threshold. And finally controlling the water level or the water storage amount of the current water area within a reasonable range through a preset water level threshold or a preset water storage amount threshold.
In a specific embodiment, the water storage information and the water level information are combined to provide decision information support for a drainage or water accumulation device; and obtaining the drainage time calculation in each time range by combining the topographic information, the water storage change information and the water storage amount information with the configured unit drainage unit and the calculated change factors under different conditions: and t is k/v, wherein v is the water displacement per hour, and k is a time conversion factor and is a multi-factor optimization quantity.
In a preferred embodiment, the method may further include using a wireless transmission device, such as a wireless information broadcast based on information, such as bluetooth, wifi, and the like, and based on a common mode, a receiving device with a wireless display is provided around the measurement point, so as to display the information of the measured area, and meanwhile, an individual information receiving system may also receive the public information, so as to avoid interference and intrusion, a frequency domain encryption technology may be used to protect the information, as shown in fig. 3, the information of a specific area of the frequency domain information is used to write in the encrypted information, so as to ensure information handshake and identification, and the information identification of the receiving terminal is combined to perform decryption analysis, so as to obtain water level condition information in the information, thereby achieving data classification for different users and meeting the requirements of different users.
With continuing reference to fig. 4, fig. 4 shows a framework diagram of a system for supervising hydrologic information according to an embodiment of the present application, as shown in fig. 4, the system includes a hydrologic information collection module 401, a water storage amount module 402 and a hydrologic information management module 403, the hydrologic information collection module 401 accesses the water storage amount module 402, and the water storage amount module accesses the hydrologic information management module 403.
In a specific embodiment, the hydrological information acquisition module 401 is configured to acquire hydrological information of a measurement point by using a water level measurement device and a video acquisition device, where the hydrological information includes water level information of the measurement point and an area of a water storage region; the water storage capacity module 402 is configured to draw a time relation curve of the area information and the water level information based on a plurality of sets of continuously monitored water level information and area information, obtain topographic information of the water storage area based on the relation curve simulation, and calculate and obtain current water storage capacity information of the water storage area; the hydrologic information management module 403 is configured to control the water level information or the water storage amount within the water level threshold or the water storage amount threshold using the drainage system in response to the water level information being higher than the preset water level threshold or the water storage amount information being greater than the preset water storage amount threshold.
In a preferred embodiment, fig. 5 shows a schematic structural diagram of a water level measuring device according to a specific embodiment of the present application, and as shown in fig. 5, the water level measuring device 500 specifically includes a floating ball displacement channel 501, a floating ball 502, a rolling body 503, a rolling body displacement channel 504 and a measuring circuit 505, wherein the floating ball displacement channel 501 is communicated with an external water source, and a specific shape thereof may be a columnar structure, a height of the water level in the floating ball displacement channel 501 is consistent with an external water level, the floating ball 502 is disposed in the floating ball displacement channel 501, and floats up or down with the rising or falling of the water level, the floating ball 502 may be a hollow magnetic material, alternatively, the floating ball 502 may be disposed in other shapes than a spherical shape, such as an ellipsoid and the like, and a material that may float on the water surface may be selected, but a magnetic material is disposed thereon for adsorbing the rolling body 503 to activate the measuring circuit, the technical effects of the present invention can be achieved as well.
In a specific embodiment, the rolling element 503 is made of a metal material that can be attracted by the floating ball 502 with a magnetic material, such as an iron ball or a rolling element made of a mixture of iron and other light materials, and only needs to be ensured to be attracted by the magnetic material of the floating ball 502 and move in the rolling element displacement channel 504. The rolling body 503 is arranged in the sealed rolling body displacement channel 504, a water level circuit is formed by one rolling body displacement channel 504 and one measuring circuit 505, and the rolling body 503 realizes the activation or closing state of the measuring circuit 505 under the action of the magnetic adsorption or repulsion of the floating ball 502, so that a circuit signal under the water level state is generated. The water level measuring device 500 includes a plurality of parallel water level circuits, and specifically, the parallel water level circuits may be spaced according to a unit of water level measurement, for example, the water level circuits may be spaced in a unit of 0.5m, so that a distance between the two spaced water level circuits is 0.5m, when the float 502 rises to a certain water level circuit along with the water level, the rolling element 503 moves under the magnetic force of the float 502, the normally open measuring circuit 505 becomes a normally closed circuit, and a state change of the measuring circuit 505 generates an electric signal of the water level and converts the electric signal into water level height information of the current water level. By utilizing the design of the floating ball 502 and the parallel circuit, the water level information can be accurately acquired.
In a specific embodiment, fig. 6 shows an overall structural schematic diagram of a video device and a water level measuring device according to a specific embodiment of the present application, as shown in fig. 6, a video device 600 is disposed on the water level measuring device 500, the video device 600 is configured to capture an overall situation of a current water area, calculate an area of the current water area, and draw a topographic structure of the current water area according to a change situation of the area within a plurality of periods of time and water level information of the water level measuring device, and transmit the topographic structure to a display 800 as shown in fig. 7 through a wireless transmission module 700, during a wireless transmission process, data classification for different users is implemented by using frequency domain encryption, requirements of different users are met, dynamic display of water level field information is implemented, public water level information is provided for the periphery, and a purpose of flexible application is achieved.
The invention provides a method and a system for supervising hydrological information. The water level information is collected to be used as a data basis for subsequent relation curve construction and supervision; and drawing a time relation curve of the area information and the water level information based on a plurality of groups of continuously monitored water level information and area information, constructing topographic information of the water storage area based on the relation curve, and calculating to obtain the current water storage amount of the water storage area. The hydrological condition of the current water area can be better analyzed by acquiring the topographic information and the water storage capacity, early warning can be generated conveniently, and adverse effects caused by severe changes of water level information are prevented; and controlling the water level information to be within the water level threshold or controlling the water storage amount to be within the water level threshold or the water storage amount threshold by utilizing the drainage system in response to the water level information being higher than the preset water level threshold or the water storage amount being larger than the preset water storage amount threshold. And finally controlling the water level or the water storage amount of the current water area within a reasonable range through a preset water level threshold or a preset water storage amount threshold. Meanwhile, public information broadcasting such as wifi and Bluetooth is achieved through the wireless transmission device, public water level information is provided for the periphery, dynamic display of water level field information is achieved, the purpose of flexible application is achieved, and the wireless water level display system can be popularized and applied on a large scale.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. A method for supervision of hydrologic information, characterized in that it comprises the following steps:
s1: acquiring hydrological information of a measuring point by using water level measuring equipment and video collecting equipment, wherein the hydrological information comprises the water level information of the measuring point and the area of a water storage area;
s2: drawing a time relation curve of the area information and the water level information based on a plurality of groups of continuously monitored water level information and area information, constructing topographic information of the water storage area based on the relation curve, and calculating to obtain the current water storage capacity of the water storage area;
s3: in response to the water level information being higher than a preset water level threshold or the water storage amount being greater than a preset water storage amount threshold, controlling the water level information within the water level threshold or the water storage amount threshold with a drainage system.
2. The method as claimed in claim 1, wherein the topographic information in step S2 is constructed by obtaining the topographic variation of the water storage area by using the variation of the undulation angle between the hypotenuse of the basic unit and the horizontal ground surface, and further constructing the topographic information.
3. A supervision method for hydrologic information according to claim 2, characterized in that the calculation formula of said included undulation angle is
Wherein r is the distance between the horizontal boundary and the middle measurement position of a basic unit, h is the height between the horizontal boundary and the middle measurement position, and the increase of the included angle is arctan (h1-h)/(r1-r), wherein h1 is the distance between the horizontal boundary and the middle measurement position at different times, and r1 is the height between the horizontal boundary and the middle measurement position at different times.
4. The method according to claim 1, wherein the hydrologic information further comprises rainfall, and the relationship between the rainfall and the water storage is K-V-P, where K is the water storage, V is the rainfall obtained by a rainfall sensor, and P is the rainfall consumption.
5. The supervision method for hydrologic information according to claim 1, characterized in that said method further comprises displaying said hydrologic information of said measuring point in real time by means of wireless transmission means, while protecting said information by means of frequency domain encryption.
6. A computer-readable storage medium having one or more computer programs stored thereon, which when executed by a computer processor perform the method of any one of claims 1 to 5.
7. A regulatory system for hydrologic information, the system comprising:
hydrology information acquisition module: the method comprises the steps that hydrological information of a measuring point is obtained by using water level measuring equipment and video collecting equipment, wherein the hydrological information comprises the water level information of the measuring point and the area of a water storage area;
a water storage amount module: the method comprises the steps that a time relation curve of area information and water level information is drawn based on a plurality of groups of continuously monitored water level information and area information, topographic information of a water storage region is obtained based on the relation curve in a simulation mode, and current water storage capacity information of the water storage region is obtained in a calculation mode;
hydrology information management module: configured to control the water level information or the water storage amount within a water level threshold or a water storage amount threshold using a drainage system in response to the water level information being above the water level threshold or the water storage amount information being greater than a water storage amount threshold.
8. The system according to claim 7, wherein the water level measuring device comprises a floating ball displacement channel, a plurality of rolling element displacement channels and a plurality of parallel circuits, the rolling element displacement channels are vertically arranged on the floating ball displacement channel at intervals, each rolling element displacement channel corresponds to one of the parallel circuits, and the opening and closing of the parallel circuits are converted into the water level information of the current position.
9. The system of claim 8, wherein the water level measuring device further comprises a floating ball and a plurality of rolling elements, the floating ball is provided with a magnet, the floating ball is disposed inside a displacement channel of the floating ball, the rolling elements are metal rolling elements capable of being attracted or repelled by the magnet, the rolling elements are disposed inside the displacement channel of the rolling elements, and the rolling elements move left and right to control the switching of the parallel circuit.
10. The system as claimed in claim 8, wherein the float displacement channel is open, the float displacement channel is connected to an external water source, the float moves up and down in the float displacement channel according to the water level variation of the water source, and the rolling body displacement channel is a closed space.
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