CN109613629B - Dynamic monitoring system for rainfall capacity of hydropower station - Google Patents
Dynamic monitoring system for rainfall capacity of hydropower station Download PDFInfo
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- CN109613629B CN109613629B CN201811638966.2A CN201811638966A CN109613629B CN 109613629 B CN109613629 B CN 109613629B CN 201811638966 A CN201811638966 A CN 201811638966A CN 109613629 B CN109613629 B CN 109613629B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a dynamic monitoring system for rainfall of a hydropower station, which comprises a monitoring platform, a fixed base and a power generation device, wherein the middle part of the lower side of the monitoring platform is fixedly connected with the power generation device, the edge of the lower side of the monitoring platform is provided with a floating block, an information transceiver, a rain gauge and an alarm lamp are fixedly arranged on the upper side of the monitoring platform in sequence from the middle part to the outer side, the side surface of the monitoring platform is provided with an anti-collision device, and the monitoring platform is fixedly connected with the fixed base through a steel wire rope; the anti-collision device ensures the working stability of the anti-collision device in rivers, not only can utilize the rain measuring cylinder to measure rainfall in a small range, but also can utilize the water pressure sensor and the flowmeter to be matched, and the rotating shaft counter and the angle sensor to be matched, so that the rainfall in a large range can be indirectly measured by measuring the river water change condition, the construction monitoring equipment cost is saved, the data accuracy is higher, in addition, the power generation device has a plurality of rotors to improve the power generation efficiency, the energy supply of the anti-collision device is avoided, the dependence on external electric energy is avoided, and the application range is wide.
Description
Technical Field
The invention belongs to the technical field of meteorological monitoring, and particularly relates to a dynamic monitoring system for rainfall capacity of a hydropower station.
Background
The power station is a comprehensive engineering facility for converting water energy into electric energy, and is also called as a hydropower plant, and the constructed hydropower station has various functions; the hydropower station generates a large amount of electric energy, so that the electricity utilization safety of people is ensured, the shipping capacity of the hydropower station is improved, the economic development is promoted, the hydropower station can store water in a short time, flood disasters are effectively avoided, and the safety of areas with dense downstream population and large economic cities is guaranteed.
In order to ensure the safety of a hydropower station, reasonably utilize water resources, improve the power generation efficiency and avoid the power waste of a generator, the rainfall of each branch at the upstream of the hydropower station needs to be monitored, the rainfall is generally wide in range and different in each region and is limited by the monitoring range of a rainfall cylinder, a large number of rainfall monitoring stations are generally required to be built for ensuring the monitoring accuracy of the rainfall by the traditional rainfall monitoring system, each rainfall monitoring station needs to be provided with a plurality of rainfall cylinders to monitor rainfall, the construction cost of a large number of rainfall monitoring stations is high, the maintenance is difficult, and therefore the rainfall monitoring system which is wide in rainfall monitoring range, low in cost and high in monitoring precision is urgently needed.
Disclosure of Invention
The invention aims to provide a dynamic monitoring system for rainfall capacity of a hydropower station, which aims to solve the problems in the background art.
In order to solve the above problems, the present invention provides a technical solution: the utility model provides a power station rainfall dynamic monitoring system, includes monitoring platform, fixed baseplate and power generation facility, monitoring platform downside middle part fixed connection has the power generation facility of four independent rotors, just monitoring platform downside edge is equipped with the floating block, the monitoring platform upside is from middle part outside fixed mounting information transceiver, rain gauge and warning light in proper order, the monitoring platform side is rotated through first fixed block and buffer stop's pivot and is connected, the crashproof cylinder is cup jointed to the pivot side, the monitoring platform is inside to be connected through antifriction bearing and rolling shaft rotation, the equal winding of rolling inslot inboard at rolling shaft both ends has the steel wire rope, the steel wire rope passes the angle measuring device who passes the monitoring platform downside and the second fixed block fixed connection of fixed baseplate upside.
The shell of the power generation device is fixedly connected with the monitoring platform through a third fixing block, a fixing rod is fixedly connected to the middle of the shell, a first sleeve is sleeved on the side face of the fixing rod, a coil is wound on the first sleeve, a plurality of magnets are rotatably connected to the outer side of the coil, and the outer side of each magnet is fixedly connected with a corresponding second sleeve.
Rolling axle right-hand member and motor fixed connection, just rolling axle left end and locking piece fixed connection, the locking piece left side is equipped with self-lock device, self-lock device includes the telescopic link, telescopic link and lock dish fixed connection, lock dish left end medial surface is equipped with the bolt, the bolt is connected with locking piece side fixed orifices cooperation, lock dish right-hand member side is through spring and pivot counter fixed connection.
The angle measuring device comprises a guide pipe, the lower end of the guide pipe is fixedly connected with an angle sensor, a spherical groove is arranged in the guide pipe, the spherical groove is matched with a spherical bulge to be rotatably connected, the lower side of the spherical bulge is fixedly connected with a guide pipe, and a steel wire rope sequentially penetrates through the guide pipe, the spherical bulge and the guide pipe.
Preferably, the method comprises the following steps: the fixed base is provided with a water pump, a water pressure sensor and a flowmeter which are fixedly connected in sequence from left to right on the upper side surface.
Preferably, the method comprises the following steps: the outer side face of the second sleeve is fixedly connected with the blade, the adjacent second sleeve is provided with a sealing ring, and the sealing ring is fixedly connected with the shell through a connecting sheet.
Preferably, the method comprises the following steps: and the lower side blades are provided with filter screens corresponding to the side surfaces of the shell.
Preferably, the method comprises the following steps: the left side of the fixing hole is provided with a limiting groove, and a pressure sensor is arranged on the contact side face of the fixing hole and the bolt.
Preferably, the method comprises the following steps: the upper side of the spherical groove is provided with a cavity.
The invention has the beneficial effects that: the anti-collision device provided by the invention avoids foreign matters in rivers from impacting and damaging the anti-collision device, ensures the working stability, utilizes the rain measuring cylinder to measure the rainfall in a small range in the process of monitoring the rainwater, and indirectly measures the rainfall in a large range by measuring the change condition of the river through the cooperation of the water pressure sensor and the flowmeter and the cooperation of the rotating shaft counter and the angle sensor, so that the cost of construction monitoring equipment is saved, the data accuracy is higher, in addition, the power generation device is provided with a plurality of rotors to improve the power generation efficiency, the energy supply to the anti-collision device is avoided, the dependence on external electric energy is avoided, and the application.
Drawings
FIG. 1 is an overall architecture diagram of the present invention;
FIG. 2 is a schematic view of a power generation apparatus according to the present invention;
FIG. 3 is a view of the self-locking device of the present invention;
FIG. 4 is a structural diagram of an angle measuring device according to the present invention.
Description of reference numerals:
1, monitoring a platform; 101 a first fixed block;
2 fixing a base; 201 a second fixed block;
3, a power generation device;
4, a motor;
5, winding the shaft; 501 rolling bearing;
6, a coiling groove;
7 a steel wire rope;
8 an information transceiver;
9, a rain measuring cylinder;
10 an alarm light;
11, floating blocks;
12, a self-locking device;
13, an anti-collision device; 1301 a rotating shaft; 1302 a crash drum;
14 an angle measuring device;
15 water pump;
16 water pressure sensors;
17 a flow meter;
18 a housing; 1801 a third fixing block;
19 fixing the rod;
20 a first sleeve;
21 a coil;
22 a filter screen;
23 a second sleeve;
24 magnets;
25 blades;
26 connecting sheets;
27 a seal ring;
28 a lock disc; 2801 a latch;
29 telescopic rods;
30 springs;
31 a spindle counter;
32 lock blocks;
3201 fixing holes;
3202 limiting groove; 3203 a pressure sensor;
33 a catheter; 3301 a hollow cavity; 3302 spherical recess;
34 an angle sensor;
35 a spherical bulge;
36 guide the tube.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: a dynamic monitoring system for rainfall of a hydropower station comprises a monitoring platform 1, a fixed base 2 and a power generation device 3, wherein the middle part of the lower side of the monitoring platform 1 is fixedly connected with the power generation device 3 with four independent rotors, the edge of the lower side of the monitoring platform 1 is fixedly connected with a floating block 11, an information transceiver 8, a rain gauge 9 and an alarm lamp 10 are fixedly installed on the upper side of the monitoring platform 1 from the middle part to the outer side in sequence, two first fixed blocks 101 are respectively arranged on the upper part and the lower part of the two side surfaces of the monitoring platform 1, the first fixed blocks 101 are rotatably connected with the two ends of a rotating shaft 1301 of an anti-collision device 13, an anti-collision roller 1302 is fixedly sleeved on the side surface of the rotating shaft 1301, the inside of the monitoring platform 1 is rotatably connected with a winding shaft 5 through a rolling bearing 501, steel wire ropes 7 are wound on the inner sides of winding grooves 6 at the two ends of the winding shaft 5, and the steel wire ropes 7, the fixed base 2 is fixed at the bottom of a river.
5 right-hand members of rolling axle and 4 fixed connection of motor, just 5 left ends of rolling axle and locking piece 32 fixed connection, locking piece 32 left side is equipped with self-lock device 12, self-lock device 12 includes telescopic link 29, 11 inside wall fixed connection of telescopic link 29 left end and monitoring platform, telescopic link 29 right-hand member and 28 left end lateral surface middle part fixed connection of locking dish, 28 left end medial surface annular distribution of locking dish has four bolts 28, bolt 28 and locking piece 32 side ring fixed orifices 3201 cooperation are connected, 28 right-hand member sides of locking dish pass through spring 30 and pivot counter 31 fixed connection, pivot counter 31 cup joints with the cooperation of rolling axle 5.
The angle measuring device 14 comprises a guide pipe 33, the lower end of the guide pipe 33 is fixedly connected with an angle sensor 34, a spherical groove 3302 is arranged in the guide pipe 33, the spherical groove 3302 is connected with a spherical protrusion 35 in a matched and rotating mode, the lower side of the spherical protrusion 35 is fixedly connected with a guide pipe 36, the upper end of the guide pipe 33 is fixedly connected with the lower side of the monitoring platform 1, and the steel wire rope 7 sequentially penetrates through the guide pipe 33, the spherical protrusion 35 and the guide pipe 36.
The side has left side right side fixed connection water pump 15, water pressure sensor 16 and flowmeter 17 in proper order on the fixed baseplate 2, water pump 15 draws water the mouth and directly communicates with the river, water pump 15 outlet accesss to water pressure sensor 16 and flowmeter 17 clearance mud regularly.
The adjacent second sleeve 23 is provided with a sealing ring 27 for sealing and waterproof treatment, the inner side surface of the sealing ring 27 is fixedly connected with the side surface of the strip-shaped connecting sheet 26, two ends of the connecting sheet 26 are fixedly connected with the shell 18, gaps are reserved among the coil 21, the magnet 24 and the connecting sheet 26, and the magnet 24 is prevented from rotating and rubbing with the connecting sheet 26.
The lower side blades 18 are provided with a filter screen 22 corresponding to the side of the housing for filtering the river water entering the power generation device 3.
A diffusion-shaped limiting groove 3202 is arranged on the left side of the fixing hole 3201, so that the bolt 2801 can be conveniently inserted into the fixing hole 3201, and a pressure sensor 3203 is arranged on the contact side surface of the fixing hole 3201 and the bolt 2801.
The upper side of the spherical cavity 3302 is provided with a cavity 3301 which protects the wire rope 7 from extruding the wire rope 7 during the rotation of the spherical bulge 35.
The working principle is as follows: fixing a fixed base 2 at the bottom of a river, floating the monitoring platform 1 on the water surface by means of the buoyancy of the water, fixing the monitoring platform 1 by using a steel wire rope 7, starting an alarm lamp 10 to remind a ship running nearby, enabling the monitoring platform 1 to move under the action of river impact to cause the steel wire rope 7 to generate sound and deflect and causing a spherical bulge 35 to rotate, enabling a guide pipe 36 to generate angle change by the spherical bulge 35, confirming the buoyancy F _ float size of the monitoring platform 1 by using the relation between the tension F _ pull of the steel wire rope 7, the angle theta of the guide pipe 36 and the buoyancy F _ float of the monitoring platform 1 according to the force synthesis and decomposition principle, confirming the distance of the monitoring platform 1 exposed out of the horizontal plane by using the relation between the buoyancy F _ float and the draft of the monitoring platform 1, controlling a telescopic rod 29 to contract when the buoyancy F _ float changes and reaches a preset buoyancy value due to the rise of the, the winding shaft 5 rotates to discharge a section of steel wire rope 7, meanwhile, the rotating shaft counter 31 records the number n of rotating turns of the winding shaft 5, so that the monitoring platform 1 floats on the water surface all the time to avoid submerging, after rainwater passes and the water surface descends, the buoyancy F _ of the monitoring platform 1 is recovered to a natural state value, the motor 4 is started to roll up part of the steel wire rope 7 to recover the length of the steel wire rope 7 before rainfall, in the flowing process of a river, after water flows through the filter screen 22, the blades 25 are pushed to rotate to generate power, and the power generation device 3 is used for generating power to supply power for the invention.
After rainfall, rainwater is collected by the rain measuring cylinder 9, the small-range rainfall is directly measured, meanwhile, a tension F _ pull signal generated by pulling the coiling groove 6 by the steel wire rope 7 between the bolt 2801 and the fixing hole 3201 is measured by the pressure sensor 3203, an angle theta change signal of the guide pipe 36 caused by the steel wire rope 7 is measured by the angle sensor 34, the river bottom water flow speed mu is measured by the flowmeter 17, and the river bottom water pressure P _1 is measured by the water pressure sensor 16.
The information emitter 8 sends a small-range rainfall signal measured by the rain gauge 9, a steel wire rope 7 tension F _ pull signal, a guide pipe 36 rotation angle theta signal, a bottom water flow speed mu and a bottom water pressure P _1 signal to a water power station monitoring center, the monitoring center directly displays the small-range rainfall information measured by the rain gauge 9, and simultaneously processes the steel wire rope 7 tension F _ pull signal, the guide pipe 36 rotation angle theta signal, the bottom water flow speed mu and the bottom water pressure P _ 1.
The data processing comprises the following steps: and (3) analyzing and monitoring an impact force formula F _ impact ═ F _ Latan theta ═ rho gWV ^2 of the platform 1 by utilizing a mechanics theory, and converting the tension signal into a horizontal flow velocity V, wherein W is the horizontal width of the platform 1 impacted by the water, and rho is the density of the water.
According to the water flow law, the average flow velocity V _ average of the river is (V + mu)/2 according to the water surface flow velocity V and the river bottom flow velocity mu as basic parameters, meanwhile, the length Cn of the steel wire rope 7 which is changed compared with the original length Cn is determined according to the number n of the rotation turns of the winding shaft 5, the final length L is obtained by adding the Cn and the length of the original steel wire rope 7, wherein C is the circumference of the side surface of the winding shaft, the river depth H is determined to be LCOS theta by combining the analysis of the rotation angle theta of the guide pipe 36, obtaining the theoretical value V of the average flow velocity of the river according to Bernoulli equation E ═ ρ g + V ^2/2g, wherein E is the river bottom water pressure P _1 directly measured by the water pressure sensor 16, and according to the average flow velocity theoretical value v of the river, and correcting the average flow of the river, and then confirming the river water amount caused by rainfall by the hydropower station monitoring center according to the corrected average flow of the river.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides a power station rainfall dynamic monitoring system, includes monitoring platform (1), fixed baseplate (2) and power generation facility (3), its characterized in that: the middle part of the lower side of the monitoring platform (1) is fixedly connected with a power generation device (3) with four independent rotors, a floating block (11) is arranged on the lower side edge of the monitoring platform (1), an information transceiver (8), a rain gauge (9) and an alarm lamp (10) are fixedly arranged on the upper side of the monitoring platform (1) from the middle part to the outer side in sequence, the side surface of the monitoring platform (1) is rotationally connected with a rotating shaft (1301) of the anti-collision device (13) through a first fixed block (101), the side surface of the rotating shaft (1301) is sleeved with an anti-collision roller (1302), the inside of the monitoring platform (1) is rotationally connected with a winding shaft (5) through a rolling bearing (501), the inner sides of the coiling grooves (6) at the two ends of the coiling shaft (5) are wound with steel wire ropes (7), the steel wire rope (7) penetrates through an angle measuring device (14) on the lower side surface of the monitoring platform (1) and is fixedly connected with a second fixing block (201) on the upper side of the fixing base (2);
the winding shaft (5) right end and motor (4) fixed connection, and winding shaft (5) left end and locking piece (32) fixed connection, locking piece (32) left side is equipped with self-lock device (12), self-lock device (12) include telescopic link (29), telescopic link (29) and locking disc (28) fixed connection, locking disc (28) left end medial surface is equipped with bolt (2801), bolt (2801) and locking piece (32) side fixed orifices (3201) cooperation are connected, the fixed orifices (3201) left side is equipped with spacing groove (3202), and fixed orifices (3201) and bolt (2801) contact side is equipped with pressure sensor (3203), locking disc (28) right end lateral surface is through spring (30) and pivot counter (31) fixed connection;
the angle measuring device (14) comprises a guide pipe (33), the lower end of the guide pipe (33) is fixedly connected with an angle sensor (34), a spherical groove (3302) is arranged in the guide pipe (33), the spherical groove (3302) is matched and rotatably connected with a spherical protrusion (35), the lower side of the spherical protrusion (35) is fixedly connected with a guide pipe (36), and the steel wire rope (7) sequentially penetrates through the guide pipe (33), the spherical protrusion (35) and the guide pipe (36);
a shell (18) of the power generation device (3) is fixedly connected with the monitoring platform (1) through a third fixing block (1801), a fixing rod (19) is fixedly connected to the middle of the shell (18), a first sleeve (20) is sleeved on the side face of the fixing rod (19), a coil (21) is wound on the first sleeve (20), a plurality of magnets (24) are rotatably connected to the outer side of the coil (21), and a second sleeve (23) is fixedly connected to the outer sides of the magnets (24); second sleeve (23) lateral surface fixed connection blade (25), and adjacent two be equipped with sealing ring (27) between second sleeve (23), sealing ring (27) pass through connection piece (26) and shell (18) rigid coupling, downside blade (25) are equipped with filter screen (22) corresponding shell (18) side.
2. The dynamic monitoring system of the rainfall capacity of the hydropower station according to claim 1, characterized in that: the side of the upper part of the fixed base (2) is provided with a water pump (15), a water pressure sensor (16) and a flowmeter (17) which are fixedly connected in sequence from left to right.
3. The dynamic monitoring system of the rainfall capacity of the hydropower station according to claim 1, characterized in that: the upper side of the spherical groove (3302) is provided with a cavity (3301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638966.2A CN109613629B (en) | 2018-12-29 | 2018-12-29 | Dynamic monitoring system for rainfall capacity of hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638966.2A CN109613629B (en) | 2018-12-29 | 2018-12-29 | Dynamic monitoring system for rainfall capacity of hydropower station |
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| CN109613629A CN109613629A (en) | 2019-04-12 |
| CN109613629B true CN109613629B (en) | 2021-06-15 |
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| CN107063203A (en) * | 2017-06-06 | 2017-08-18 | 王红涛 | A kind of hydrology and water conservancy buoyage |
| CN207991531U (en) * | 2018-03-22 | 2018-10-19 | 巢湖市银环航标有限公司 | A kind of environment-friendly type hydrology measuring buoy |
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| CN108917821A (en) * | 2018-03-17 | 2018-11-30 | 鲁东大学 | A kind of marine eco-environment monitoring system |
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| US7509853B2 (en) * | 2006-08-13 | 2009-03-31 | Noe Stephen A | Runoff rain gauge elevated in situ design |
| KR101219506B1 (en) * | 2010-09-13 | 2013-02-18 | 대한민국 | Monitoring system and Method for rainfall and water level in dam |
| CN208021676U (en) * | 2018-03-31 | 2018-10-30 | 付珊珊 | A kind of hydrology wind direction buoyage with safety warning function |
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2018
- 2018-12-29 CN CN201811638966.2A patent/CN109613629B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206095240U (en) * | 2016-08-18 | 2017-04-12 | 吉林工程技术师范学院 | A control support frame for hydrologic monitoring |
| CN107063203A (en) * | 2017-06-06 | 2017-08-18 | 王红涛 | A kind of hydrology and water conservancy buoyage |
| CN108917821A (en) * | 2018-03-17 | 2018-11-30 | 鲁东大学 | A kind of marine eco-environment monitoring system |
| CN207991531U (en) * | 2018-03-22 | 2018-10-19 | 巢湖市银环航标有限公司 | A kind of environment-friendly type hydrology measuring buoy |
| CN208026887U (en) * | 2018-04-17 | 2018-10-30 | 青岛华兴海洋工程技术有限公司 | A kind of hydrometeorological observation buoyancy station |
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Address after: 350001 Building 21, Software Park B, 89 Software Avenue, Gulou District, Fuzhou City, Fujian Province Applicant after: East China Survey and Design Institute (Fujian) Co., Ltd. Address before: 350001 Building 21, Software Park B, 89 Software Avenue, Gulou District, Fuzhou City, Fujian Province Applicant before: Huadong Rock-Soil Engineering Co., Ltd., Fujian |
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