CN115235432A - All-weather hydrology monitoring system of complementary energy of water light - Google Patents
All-weather hydrology monitoring system of complementary energy of water light Download PDFInfo
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- G—PHYSICS
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- 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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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses an all-weather hydrological monitoring system of water-light complementary energy, comprising: a floating unit including a floating member and an electric box; the hydrologic monitoring unit is arranged in the electric box and comprises a camera and a plurality of hydrologic monitoring sensors, the lens of the camera is arranged downwards, and the probes of the hydrologic monitoring sensors penetrate through the bottom of the electric box and are positioned below the electric box; the control unit is arranged in the electric box and is electrically connected with the hydrological monitoring unit and the upper computer; the power storage unit is arranged in the electric box, is electrically connected with the hydrological monitoring unit and the control unit and is used for supplying power to the hydrological monitoring unit; the hydraulic power generation unit is connected below the floating piece through a connecting rope and is electrically connected with the power storage unit; and the solar power generation unit is arranged on the top of the electric box and is electrically connected with the power storage unit. The invention is applied to the field of hydrological monitoring, supplies power to a system by utilizing hydroelectric power generation and solar power generation, realizes water-light complementary green power generation and realizes 24-hour all-weather hydrological monitoring.
Description
Technical Field
The invention relates to the technical field of hydrological monitoring, in particular to an all-weather hydrological monitoring system with water and light complementary energy.
Background
Hydrologic monitoring is mainly used for keeping watch on the water conservancy operating condition of river, lake, reservoir, and it detects water conservancy's temperature, humidity, wind speed, wind direction, rainfall, quality of water, water velocity, water yield, video image or picture etc. digital information through various detectors, through GPRS/CDMA passageway, uploads to on-line monitoring center, and then can in time reflect the hydrologic characteristics in each waters to relevant departments make the arrangement, take precautions against the emergence of flood disaster accident.
Most of the existing hydrological detection equipment adopts a patrol vehicle, a hydrological measuring ship, water level observation equipment or an independent sensor. Wherein, patrol and survey the car not only equipment cost height, the oil and electricity loss moreover to can't carry out long-time monitoring. Although the hydrological measurement ship has lower equipment cost, the hydrological measurement ship also has the problems of oil and electricity loss, long monitoring time and the like. Although the water level observation equipment and the independent sensor can reduce oil point loss and have long monitoring time, the water level observation equipment has higher cost, and the independent sensor does not have good real-time transmission performance and cannot realize on-line monitoring.
Disclosure of Invention
Aiming at the problem that hydrological monitoring equipment in the prior art cannot simultaneously meet the requirements of low cost, self-sustaining energy and all-weather online monitoring, the invention provides the all-weather hydrological monitoring system for the water-light complementary energy, which supplies power to the system by utilizing hydroelectric power generation and solar power generation, realizes the water-light complementary green power generation and realizes the 24-hour all-weather hydrological monitoring.
In order to achieve the above object, the present invention provides an all-weather hydrological monitoring system with complementary energy of water and light, comprising:
the floating unit comprises a floating piece and an electrical box arranged on the floating piece;
the hydrologic monitoring unit is arranged in the electrical box and comprises a camera and a plurality of hydrologic monitoring sensors, wherein the lens of the camera is arranged downwards, and the probes of the hydrologic monitoring sensors penetrate through the bottom of the electrical box and are positioned below the electrical box;
the control unit is arranged in the electric box, is electrically connected with the hydrological monitoring unit and the upper computer and is used for hydrological monitoring control;
the power storage unit is arranged in the electric box, is electrically connected with the hydrologic monitoring unit and the control unit and is used for supplying power to the hydrologic monitoring unit;
the hydroelectric generation unit is connected below the floating piece through a connecting rope, is electrically connected with the electric power storage unit and is used for facilitating hydroelectric generation;
and the solar power generation unit is arranged at the top of the electrical box, is electrically connected with the power storage unit and is used for facilitating solar power generation.
In one embodiment, the system further comprises an anchoring unit connected below the hydroelectric unit by a connecting rope for anchoring the whole monitoring system on the river bed.
In one embodiment, the hydraulic power generating system further comprises an anchoring unit, wherein the number of the hydraulic power generating units is multiple;
each hydroelectric generation unit loops through from last to linking to each other through connecting the rope down, and wherein, the hydroelectric generation unit of the top is connected through connecting the rope float the piece below, anchoring unit connects the bottom at the hydroelectric generation unit of below through connecting the rope.
In one embodiment, the hydro-power generation unit comprises a generator, a buoy and an impeller;
the generator is electrically connected with the electric power storage unit, the impeller is fixedly connected to the rotating end of the generator, and the buoy is connected with the generator through a connecting rope, so that the generator is suspended in water.
In one embodiment, the hydro-power generation unit further comprises a fairing, a wheel guard, and An Dingban;
the impeller protection cover is of a circular frame structure, the fairing is connected to one end of the impeller protection cover, the An Dingban is connected to the other end of the impeller protection cover through a connecting cylinder, and the impeller is arranged in the impeller protection cover;
the fairing is of a head-like cone structure, the closed end of the fairing is positioned outside the impeller protection cover and is of a cone structure, the open end of the fairing is connected with the bottom end of the generator, and the generator is arranged in the fairing;
the fairing, impeller safety cover the axis coincidence of connecting cylinder, the cursory through connect the rope with the fairing or the impeller safety cover links to each other.
In one embodiment, the solar power generation unit is a solar panel disposed on top of the electrical box.
In one embodiment, the electric storage unit comprises an electric storage circuit board, a storage battery pack, a protector and an equalizer;
the storage circuit board is provided with a power generation input end, an anti-reverse connection module, an MPPT module, an anti-reverse connection module, a DC-DC voltage reduction module and a power generation output end which are electrically connected in sequence, the power generation input end is electrically connected with the hydroelectric generation unit and the solar power generation unit respectively, and the power generation output end is electrically connected with the storage battery pack;
the protector and the equalizer are electrically connected with the storage battery pack.
In one embodiment, an angular velocity sensor is provided on the floating member, and the angular velocity sensor is electrically connected to the electric storage unit and the control unit, respectively.
The all-weather hydrology monitoring system of complementary energy of water light that the invention provides, have the following beneficial technological effects:
1. the cost is low: mature goods shelf products are adopted, so that the cost is low, the functions are reliable, the cost performance is high, continuous and stable power generation input can be provided for a system, and low-cost monitoring equipment is provided for river protection;
2. energy supply by adopting green energy sources: hydrological monitoring and energy supply are achieved by utilizing water flow energy and solar power generation, energy is closed-loop and self-sufficient, the potential value of green energy is excavated, and the concept of energy conservation and emission reduction is met;
3. realizing all-weather on-line monitoring: the water-light complementary power generation mode realizes the high self-maintenance of the system, so that the uninterrupted online monitoring is carried out, and the system has market popularization value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an overall isometric view of an all-weather hydrological monitoring system in an embodiment of the present invention;
FIG. 2 is an isometric view of a hydro-power generation unit in an embodiment of the invention;
FIG. 3 is an exploded view of a hydro-power generation unit in an embodiment of the present invention;
fig. 4 is a sectional view showing the internal structure of the floating unit in the embodiment of the present invention;
FIG. 5 is a flow chart of the operation of the all-weather hydrological monitoring system in the embodiment of the present invention.
Reference numerals: the solar energy power generation device comprises a floating unit 1, a floating piece 101, an electric box 102, a light reflecting strip 103, a solar power generation unit 2, a hydraulic power generation unit 3, a power generator 301, a float 302, an impeller 303, a fairing 304, an impeller protection cover 305, a stabilizer plate 306, a connecting cylinder 307, an anchoring unit 4, a connecting rope 5, a hydrological monitoring unit 6, a control unit 7 and an electric power storage unit 8.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The embodiment discloses an all-weather hydrological monitoring system with water-light complementary energy, wherein hydroelectric power generation is used as a main energy source under the condition that the solar energy of the environment is weak, and solar power generation is used as a main energy source when the flow velocity of a water area is low, so that the water-light complementary effect is realized. Referring to fig. 1 to 5, the hydrological monitoring system mainly includes a floating unit 1, a hydrological monitoring unit 6, a control unit 7, an electric power storage unit 8, a hydroelectric power generation unit 3, a solar power generation unit 2, and an anchoring unit 4.
The floating unit 1 consists of a floating member 101 and an electrical box 102. Wherein, showy piece 101 is the gasbag structure, and electric box 102 is one and fixes the cube structure at showy piece 101 top through the ligature rope for electric box 102 can float on the surface of water under the effect of showy piece 101, and electric box 102 lateral surface pastes and applies reflection of light strip 103.
Specifically, the hydrological monitoring unit 6, the control unit 7, the electric storage unit 8, and the solar power generation unit 2 are all mounted on the electric box 102, the hydraulic power generation unit 3 is connected below the floater 101 through the connection rope 5, and the anchoring unit 4 is a metal anchor connected below the hydraulic power generation unit 3 through the connection rope 5. In the use process, the anchoring unit 4 is fallen on the river bed, the floating unit 1 is floated on the river surface by carrying the hydrological monitoring unit 6, the control unit 7, the electric power storage unit 8 and the solar power generation unit 2, and the hydraulic power generation unit 3 is suspended in the water.
The electric storage unit 8 is mainly used for storing electric energy generated by the hydroelectric generation unit 3 and the solar power generation unit 2 and supplying power to the whole monitoring system. In this embodiment, the electric storage unit 8 includes an electric storage circuit board, a storage battery pack, a protector, and an equalizer, the electric storage circuit board has a power generation input end and a power generation output end, the power generation input end is electrically connected to the hydraulic power generation unit 3 and the solar power generation unit 2, respectively, and the power generation output end is electrically connected to the storage battery pack.
In the specific implementation process, a mature Maximum Power Point Tracking (MPPT) technology, namely an MPPT module, is adopted at the Power generation input end of the Power storage circuit board, so that Power generation output can be provided at the Maximum Power Point on the premise of voltage stabilization and current stabilization, and the Power generation performance is improved. And the electric storage circuit board is provided with an anti-reverse module, an anti-reverse module (namely a high-power diode) and a DC-DC voltage reduction module, so that stable power supply can be ensured to be provided at a battery charging end. The reverse connection prevention module, the MPPT module, the reverse connection prevention module, and the DC-DC voltage reduction module are mature technical means, and therefore are not described in detail in this embodiment. The storage battery pack is a 18650 lithium battery pack connected in series, has no memory effect, and adopts a protector and an equalizer to perform double protection at a battery end so as to prevent the storage battery pack from overcurrent, overcharge and overdischarge. And a mature Uninterruptible Power Supply (Uninterruptible Power Supply) module is adopted, so that the system can safely Supply Power for hydrological monitoring application of the system while charging through a Power generation system.
Referring to fig. 5, the operation of the electric storage unit 8 in the present embodiment is: firstly, the hydroelectric generation unit and the solar power generation unit generate direct current under the action of water flow and illumination and pass through a lead. The power generation input end is transmitted to the electric storage circuit board. After passing through the rectifier bridge, the accumulator battery is output through the power generation output end after sequentially passing through the reverse connection prevention module, the MPPT module and the reverse current prevention module, and the accumulator battery is charged after passing through the protector and the equalizer. And then the storage battery pack supplies power to the whole system under the double protection of the protector and the equalizer.
In this embodiment, the solar power generation unit 2 is a solar panel attached to the top of the electrical box 102, and the solar panel is connected to the power generation input end of the electrical storage circuit board through a conducting wire, so as to receive solar light energy and generate direct current to be input to the electrical storage unit 8.
In this embodiment, the hydroelectric power generating unit 3 is a flow-following type of power generating unit. Specifically, the hydroelectric power generation unit 3 includes a generator 301, a float 302, an impeller 303, a fairing 304, an impeller protection cover 305, and a stabilizer plate 306. The generator 301 is a waterproof direct current motor, the generator 301 is connected with the power generation input end of the electric storage circuit board through a wire, the impeller 303 is fixedly connected to the rotating end of the generator 301, and when water flows perpendicular to the impeller 303, the impeller 303 is driven to rotate so as to drive the generator 301 to generate power, and direct current generated by the water flows into the electric storage unit 8 through the wire. The fairing 304 is a nose cone-like structure with one end closed and the other end open, and the closed end of the fairing 304 is a cone-shaped structure. The fairing 304 is used for covering the generator 301, and the closed end of the fairing faces the incoming direction of the water flow, so that the generator 301 is prevented from deflecting around the flow. The impeller protecting cover 305 is a circular frame structure covering the impeller 303, and is used for preventing plankton such as algae from winding the impeller 303 to influence power generation. The fairing 304 is connected to one end of the impeller protection cover 305, and the opening end of the fairing 304 extends into the impeller protection cover 305, so that the rotating end of the generator 301 can extend out of the opening end to be connected with the impeller 303; an Dingban 306 is mounted to the other end of the impeller shroud 305 by a connecting tube 307. The connecting cylinder 307 is an acrylic cylinder, and the axes of the connecting cylinder 307, the generator 301, the fairing 304, the impeller 303 and the impeller protecting cover 305 are all overlapped. Specifically, the stabilizing plate 306 is an equilateral triangle, when installed, one vertex angle of the stabilizing plate 306 is inserted into the connecting cylinder 307, and the axis of the connecting cylinder 307 coincides with one center line of the stabilizing plate 306, so that the stabilizing plate 306 can control the impeller 303 to be always perpendicular to the water flow direction. The floating is an air bag, the floating is connected with the fairing 304 or the impeller protective cover 305 through the connecting rope 5, the acting force of the floating is enabled to pass through the center of mass of the generator 301, and the generator 301 is enabled to keep a flat state in the water flow under the combined action of the floating and the stabilizer 306.
In a preferable embodiment, the number of the hydraulic power generating units 3 in the hydrological monitoring system can be multiple, and each hydraulic power generating unit 3 is connected sequentially through the connecting rope 5 from top to bottom, wherein the uppermost hydraulic power generating unit 3 is connected below the floating member 101 through the connecting rope 5, and the anchoring unit 4 is connected at the bottom of the lowermost hydraulic power generating unit 3 through the connecting rope 5. Therefore, the appropriate number of hydraulic power generation units 3 can be selected to realize all-weather hydrological monitoring according to the actual illumination condition of the monitored river.
It should be noted that the connection rope 5 between the hydraulic power generation units 3 and the anchoring unit 4 and between the floating unit 1 in this embodiment can both adopt a connection mode of a rope and a buckle, so that the length of the connection rope 5 can be adjusted, low-cost modularization is realized, and the hydrological monitoring system in this embodiment can be applied to water areas with different depths, and can be adjusted as required. And the wire between the generator 301 and the electric storage unit 8 is a spring wire, so that the wire can be prevented from being broken due to overlarge stress or falling off from a welding point due to overlarge water flow speed, and a good buffering effect is achieved.
In this embodiment, the control unit 7 is electrically connected with the hydrological monitoring unit 6 and the upper computer, and is mainly used for uploading data monitored by the hydrological monitoring unit 6 to the upper computer. Referring to fig. 5, in this embodiment, the control unit 7 adopts a single chip, and the hydrological monitoring sensor mainly includes a turbidity sensor and a PH sensor, so that the working process of the control unit 7 is as follows: when the turbidity sensor or the PH sensor detects that the turbidity or the PH value exceeds the set threshold value, the single chip microcomputer sends alarm information to the upper computer, and the upper computer can be operated to call a monitoring picture cached by the camera offline at the moment, so that the functions of monitoring and tracing pollution are achieved. In addition, the upper computer can also obtain real-time turbidity data and control the steering engine of camera to adjust the shooting direction of camera through initiatively sending the instruction, acquires river real-time data and image data. Wherein, communicate through bluetooth module between singlechip and the host computer, after the singlechip is opened corresponding the detection function, will carry out data acquisition to hydrology environment with fixed time interval, send the police dispatch newspaper to monitor terminal when reaching the alarm threshold value.
As a preferred embodiment, an angular velocity sensor is also provided on the floating unit 1, so that the floating unit 1 has an overturning self-checking function. When the angular velocity sensor detects that the offset angle of the floating unit 1 on the XOY plane (horizontal plane) exceeds a set threshold, the hydrological monitoring system is considered to be in a dangerous state about to overturn at the moment, and the single chip microcomputer sends alarm information to the upper computer. Meanwhile, a buzzer can be carried on the floating unit 1, when the hydrological monitoring system is in a dangerous state about to overturn, the buzzer is controlled by the single chip microcomputer to send out a sound signal for alarming, and the system can be conveniently positioned along the sound and plays a warning role.
The hydrological monitoring system of the present embodiment is further described below with reference to specific examples.
The average sunlight intensity of Changsha in April is 45766lux, the solar energy panel can normally work under the solar light intensity in the time period of 6-00.
The average value of the total generated energy of the solar panel in the 12-hour time period of different experiments is 1392.5mAh through experimental measurement, and the generated energy of a single hydroelectric generation unit 3 working for one day is 672mAh.
Comprehensively considering the rated power of each module of the hydrological monitoring system, calculating to obtain the power consumption of the hydrological monitoring system in one day of working as 3859.2mAh:
if only the solar panel is considered to supply power to the system, the generated energy of the solar panel in normal operation for one day can provide the endurance time of 8.6h for the system;
if only the underwater impeller 303 is considered for power generation, when the water flow speed is 1m/s, the single impeller 303 power generation unit can provide the endurance time of 4h for the system when working for one day, and the endurance time of 2m/s reaches 8.2h;
therefore, when the sunlight is weak and the water flow speed is 1m/s, 25.37h duration can be provided for the hydrological monitoring system by placing 6 underwater power generation units to work for one day.
Therefore, the invention converts the kinetic energy of water flow and solar energy into electric energy through the low-cost energy conversion device (the impeller 303 and the solar panel) and transmits the electric energy to the storage battery pack in the electrical equipment box to charge the storage battery pack. The storage battery supplies power to the monitoring-communication system, so that the functions of turbidity, temperature monitoring, pH value monitoring and overturning self-checking are realized, monitoring data are transmitted to the control terminal through the communication module, and the control terminal carries out online monitoring on the river channel through the real-time monitoring platform. The requirement of 24h uninterrupted work of hydrological monitoring equipment is met, the problems that the power generation capacity of solar power generation is weak at night and when the illumination is insufficient and the energy supply is difficult to provide in a closed water area by single water power generation are solved, and the closed-loop and self-sufficiency of system energy is realized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. An all-weather hydrological monitoring system for complementary energy of water and light, comprising:
the floating unit comprises a floating piece and an electrical box arranged on the floating piece;
the hydrologic monitoring unit is arranged in the electrical box and comprises a camera and a plurality of hydrologic monitoring sensors, wherein the lens of the camera is arranged downwards, and the probes of the hydrologic monitoring sensors penetrate through the bottom of the electrical box and are positioned below the electrical box;
the control unit is arranged in the electric box, is electrically connected with the hydrological monitoring unit and the upper computer and is used for hydrological monitoring control;
the power storage unit is arranged in the electric box, is electrically connected with the hydrologic monitoring unit and the control unit and is used for supplying power to the hydrologic monitoring unit;
the hydroelectric generation unit is connected below the floating piece through a connecting rope, is electrically connected with the electric power storage unit and is used for facilitating hydroelectric generation;
and the solar power generation unit is arranged at the top of the electrical box, is electrically connected with the power storage unit and is used for facilitating solar power generation.
2. The all-weather hydrological monitoring system of complementary energy of water and light according to claim 1, further comprising an anchoring unit connected below the hydroelectric power generation unit by a connecting rope for anchoring the entire monitoring system on the riverbed.
3. The all-weather hydrological monitoring system of complementary energy of water and light according to claim 2, further comprising a plurality of the hydroelectric units;
each hydroelectric generation unit loops through from last to linking to each other through connecting the rope down, and wherein, the hydroelectric generation unit of the top is connected through connecting the rope float the piece below, anchoring unit connects the bottom at the hydroelectric generation unit of below through connecting the rope.
4. The all-weather hydrological monitoring system of complementary energy of light and water according to claim 1, 2 or 3, wherein the hydroelectric power generating unit comprises a generator, a buoy and an impeller;
the generator is electrically connected with the electric power storage unit, the impeller is fixedly connected to the rotating end of the generator, and the buoy is connected with the generator through a connecting rope, so that the generator is suspended in water.
5. The all-weather hydrological monitoring system of complementary energy of water and light according to claim 4, wherein the hydroelectric power generation unit further comprises a fairing, a vane wheel protecting cover and An Dingban;
the impeller protection cover is of a circular frame structure, the fairing is connected to one end of the impeller protection cover, the An Dingban is connected to the other end of the impeller protection cover through a connecting cylinder, and the impeller is arranged in the impeller protection cover;
the fairing is of a head-like cone structure, the closed end of the fairing is positioned outside the impeller protection cover and is of a cone structure, the open end of the fairing is connected with the bottom end of the generator, and the generator is arranged in the fairing;
the fairing, impeller safety cover the axis coincidence of connecting cylinder, the cursory through connect the rope with the fairing or the impeller safety cover links to each other.
6. The all-weather hydrological monitoring system of complementary energy of water and light according to claim 1, 2 or 3, wherein the solar power generation unit is a solar panel arranged on top of the electrical box.
7. The all-weather hydrological monitoring system of complementary energy of water and light according to claim 1, 2 or 3, wherein the electric storage unit comprises an electric storage circuit board, a storage battery pack, a protector and an equalizer;
the storage circuit board is provided with a power generation input end, an anti-reverse connection module, an MPPT module, an anti-reverse connection module, a DC-DC voltage reduction module and a power generation output end which are electrically connected in sequence, the power generation input end is electrically connected with the hydroelectric generation unit and the solar power generation unit respectively, and the power generation output end is electrically connected with the storage battery pack;
the protector and the equalizer are electrically connected with the storage battery pack.
8. The all-weather hydrological monitoring system of complementary energy of water and light according to claim 1, 2 or 3, wherein an angular velocity sensor is arranged on the floating member, and the angular velocity sensor is electrically connected with the electric storage unit and the control unit respectively.
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| CN202210826241.6A CN115235432A (en) | 2022-07-14 | 2022-07-14 | All-weather hydrology monitoring system of complementary energy of water light |
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