CN218456449U - Fish spawning monitoring device in water area around pumped storage power station - Google Patents
Fish spawning monitoring device in water area around pumped storage power station Download PDFInfo
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- CN218456449U CN218456449U CN202122730937.2U CN202122730937U CN218456449U CN 218456449 U CN218456449 U CN 218456449U CN 202122730937 U CN202122730937 U CN 202122730937U CN 218456449 U CN218456449 U CN 218456449U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The utility model discloses a fish spawning monitoring device in a water area around a pumped storage power station, which comprises a spawning device, a hydrodynamic force sensing device, a master control platform and a video acquisition device; the hydrodynamic force sensing device comprises a floating body, a water depth detector, a flow speed detector and a water temperature sensor, wherein the water depth detector, the flow speed detector and the water temperature sensor are fixed on the outer side wall of the floating body; the egg collecting device is fixed below the floating body through a connecting rod, the main control platform is fixed at the upper part of the floating body, and the visual image collecting device is fixed on the main control platform box body; the video acquisition device, the water depth detector, the flow velocity detector and the water temperature sensor are respectively connected with a controller in the main control platform through cables, and the controller is in information interaction with the remote monitoring terminal through the communication module.
Description
Technical Field
The utility model relates to a monitoring devices that spawns of fish in peripheral waters of pumped storage power station.
Background
The pumped storage power station is a hydropower station which utilizes electric energy to pump water to an upper reservoir during a power load valley and discharge water to a lower reservoir to generate power during a power load peak period. The method improves the reliability of the power grid while reducing the cost of the power grid, and has important significance for constructing a clean, low-carbon, safe and efficient energy system. One class of pumped storage power stations directly utilizes natural water areas as lower reservoirs, and has advantages in aspects of space layout, cost, landscape and the like. The tail water pipe and the tail water tunnel of the pumped storage power station are connected with the lower reservoir, and the pumped storage power station has a peak shaving task, so that water pumping and water drainage are carried out under the requirements of power consumption load and power generation power, the water level has certain fluctuation, and the influence degree of fish spawning in the surrounding water area needs to be monitored under the hydrokinetic and hydrodynamic force change condition. The existing water level monitoring mainly utilizes devices such as a water gauge or a water level detection box, the spawning condition of fishes and the exposed area of a mudflat need to be measured by professional personnel on the spot, and a large amount of labor cost and time cost are consumed.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a fish monitoring devices that spawns that sets up in the peripheral waters of pumped storage power station, this monitoring devices can long-rangely, real-time, monitor the circumstances that the fish of the peripheral waters of pumped storage power station spawned under the hydrokinetic force change condition dynamically.
The technical scheme is as follows: the utility model discloses a fish spawning monitoring device in water areas around a pumped storage power station, which comprises a spawning collecting device, a hydrodynamic force sensing device, a master control platform and a video collecting device; the hydrodynamic force sensing device comprises a floating body, a water depth detector, a flow speed detector and a water temperature sensor, wherein the water depth detector, the flow speed detector and the water temperature sensor are fixed on the outer side wall of the floating body; the egg collecting device is fixed below the floating body through a connecting rod, the main control platform is fixed on the upper part of the floating body, and the video collecting device is fixed on the main control platform box body; the video acquisition device, the water depth detector, the flow velocity detector and the water temperature sensor are respectively connected with a controller in the main control platform through cables, and the controller is in information interaction with the remote monitoring terminal through the communication module.
The main control platform comprises a box body, a controller, a storage battery and a balancing weight, wherein the controller, the storage battery and the balancing weight are positioned in the box body; the solar cell panel is connected with a storage battery through a DC/DC converter, and the storage battery supplies power to the controller.
The egg collecting device consists of a hollow pipeline and an egg sieving plate arranged in the center of the hollow pipeline; two openings of the hollow pipeline are trumpet-shaped openings, and the aperture of the egg screening plate is 0.2mm; and a light sensor is arranged on the inner side wall of the hollow pipeline at a position 3-5 cm away from the egg sieving plate and is connected with a controller in the main control platform through a cable.
The video acquisition device comprises a support arm and a camera fixed at the end part of the support arm; the supporting arm is provided with an adjustable sleeve, and the length of the supporting arm is adjusted by the supporting arm through the adjustable sleeve; the supporting arm is made of light stainless steel, and a communication transmission line is arranged in the supporting arm; the camera adopts a 180-degree panoramic lens and an aluminum alloy shell, has a tripod head rotating function, and can realize large-scale video acquisition.
The floating body is a hollow air cushion floating body, and the diameter of the floating body is larger than the length of a diagonal line of the main control platform box body.
The egg screening plate estimates the number of the fish eggs on the plate by using the following fish egg shading density formula:
wherein N is the number of fish eggs, a and b are the length and width of the egg screening plate respectively, and I D Is the initial light intensity value sensed by the light sensor on the egg sieving plate, I K The light intensity value transmitted by the optical sensor on the egg screening plate in real time is shown, k is the viscosity shading coefficient of the fish eggs, 1.05-1.20 percent is selected according to the overlapping and extruding degree of the fish eggs, and D is the average diameter of the filtered fish eggs, generally 1-2 mm (determined according to local common fishes).
Has the beneficial effects that: the fish spawning monitoring device is arranged in the fish spawning site area around the pumped storage power station, hydrokinetic information of the corresponding area is acquired through the hydrodynamic force sensing device in the device, and fish spawns are collected and counted through the set spawn collecting device and are used for reflecting the fish breeding condition of the water area around the pumped storage power station under the hydrokinetic change condition; the monitoring and early warning of the shoal fish spawning site in the water reservoir of the power station are realized, and the cost of manual monitoring is reduced.
Drawings
FIG. 1 is a point diagram of the arrangement of the device of the present invention in a pumped storage power station;
FIG. 2 is a front view of the fish spawning monitoring device of the present invention;
FIG. 3 is a side view of the fish spawning monitoring device of the present invention;
fig. 4 is a schematic structural diagram of the main control platform box.
Detailed Description
As shown in fig. 2 to 4, the fish spawning monitoring device in the water area around the pumped storage power station of the present invention comprises a spawning device 1, a hydrodynamic force sensing device 2, a main control platform 3 and a video collecting device 4; the hydrodynamic force sensing device 2 comprises a floating body 2-4, a water depth detector 2-1, a flow velocity detector 2-2 and a water temperature sensor 2-3, wherein the water depth detector, the flow velocity detector 2-2 and the water temperature sensor are fixed on the outer side wall of the floating body 2-4; the egg collecting device 1 is fixed below the floating body 2-4 through a connecting rod 1-1, and the egg collecting device 1 consists of a hollow pipeline 1-2 and an egg screening plate 1-3 arranged at the center of the hollow pipeline 1-2; two openings of the hollow pipeline 1-2 are horn-shaped openings, the aperture of the egg sieving plate 1-3 is 0.2mm, a light sensor 1-4 is arranged on the inner side wall of the hollow pipeline 1-2 at a distance of 1-3 cm from the egg sieving plate 1-3, the light sensor 1-4 is used for sensing the illumination intensity on the egg sieving plate 1-3, the light sensor 1-4 is connected with a controller 3-1 in the main control platform 3 through a cable, the light sensor transmits acquired light intensity signals to the controller 3-1, and the controller displays the obtained number of fish eggs on a monitoring terminal; the main control platform 3 is fixed on the upper part of the floating body 2-4, and the main control platform 3 comprises a box body, a controller 3-1, a storage battery 3-2 and a balancing weight 3-3 which are positioned in the box body; the main control platform 3 also comprises a solar panel 3-4 positioned outside the box body; the solar panel 3-4 is connected with the storage battery 3-2 through the DC/DC converter, and the storage battery 3-2 supplies power to the controller 3-1; the video acquisition device 4 comprises a supporting arm 4-1 and a camera 4-2 fixed at the end part of the supporting arm 4-1; an adjustable sleeve 4-3 is arranged on the supporting arm 4-1, and the length of the supporting arm 4-1 is adjusted by the supporting arm 4-1 through the adjustable sleeve 4-3; one end of the supporting arm 4-1 is fixed on the box body of the main control platform 3; the video acquisition device 4, the water depth detector 2-1, the flow velocity detector 2-2 and the water temperature sensor 2-3 are respectively connected with a controller 3-1 in the main control platform 3 through cables, and the controller 3-1 is in information interaction with a remote monitoring terminal through a communication module. The floating body 2-4 is a hollow air cushion floating body, and the diameter of the floating body 2-4 is larger than the length of the diagonal line of the box body of the main control platform 3.
As shown in fig. 1, selecting a water area range to be investigated in a river, a lake or a reservoir of a lower reservoir of a pumped storage power station, searching a water surface and an area rich in aquatic plants such as a grass beach, duckweed and reed along a shoreline, observing the area after finding a similar area, performing multi-point GPS positioning and numbering, performing adhesion inspection on live roes (also called fertilized eggs and eggs) on the waterweeds beside a shoreside, finding the roes to be determined as a target shoreside, placing a sample frame on the target shoreside, collecting a water grass sample with the roes attached to the shoreside, measuring the roes attached to the sample frame on site, and counting the number of the attached roes; calculating the distribution quantity and density of roes on the waterweeds in the beach, and meanwhile, calculating the average distribution quantity and average density of roes on the waterweeds of the target beach; and selecting a water grass concentrated area in the target grass beach according with the average number and the average density of the distributed fish eggs on the water grass as an investigation and observation position.
The utility model discloses monitoring devices is laid near aquatic plant department at target beach, acquires the electric energy with the help of solar cell panel 3-4. The supporting arm sleeve 4-3 on the monitoring side is adjusted according to the terrain and the required monitoring range, so that the camera 4-2 can completely cover the corresponding monitoring area.
In the season of vigorous fish reproduction (usually 4 months to 6 months), the tail water level can continuously fluctuate due to the operation characteristics of the pumped storage power station, and the tail water level can possibly spread to nearby beach fish spawning sites. When the device is used, the exposed range of the beach bank outside the device can be observed at the monitoring terminal for monitoring and identifying the spawning condition. Recording a water level value by using a water depth detector 2-1, and acquiring other hydrodynamic data by using a flow velocity detector 2-2 and a water temperature sensor 2-3 to monitor the hydrodynamic condition of a nearby water area; the egg collecting device 1 at the bottom of the floating bodies 2-4 is used for collecting and counting fish eggs, quantitative analysis can be carried out on the egg laying condition of the fish, and the egg screening plate 1-3 automatically calculates the number of the fish eggs according to a fish egg shading density formula;
wherein N is the number of fish eggs, a and b are the length and width of the egg screening plate (a and b are 20 cm), and I D Is an initial light intensity value (the initial light intensity value is sensed by a light sensor on the egg sieving plate, the initial light intensity value on the egg sieving plate is a fixed value because the device is fixed in depth under the water, the egg sieving plate is arranged in a hollow pipeline and the light is weak), I K The light intensity value is transmitted by a light sensor on the egg sieving plate in real time; k is the viscosity shading coefficient of the fish eggs, the value is 1.05-1.20 according to the overlapping extrusion degree of the fish eggs, D is the average diameter of the filtered fish eggs, generally 1-2 mm (can be determined according to local common fishes), the diameter of the filtered fish eggs is larger than 0.2mm, when the fish eggs are attached, the filtered fish eggs can be gradually paved with water flow, and a certain overlapping extrusion can be realized due to the soft quality of the fish eggs, so the coefficient k is obtained. Origin of formulaThe light intensity is reduced by shading the roe, and the photosensitive area/total area = real-time light intensity/initial light intensity. In the formula, I D K, a, b and D are all known values, and only the real-time I is needed K The number N of fish eggs can be obtained.
If the spawning amount is larger than that in the same period, the power station can adopt certain scheduling measures to protect the spawning of the fishes in the corresponding month.
Claims (5)
1. The utility model provides a fish of peripheral waters of pumped storage power station monitoring devices that spawns which characterized in that: the monitoring device comprises an egg collecting device (1), a hydrodynamic force sensing device (2), a main control platform (3) and a video acquisition device (4); the hydrodynamic sensing device (2) comprises a floating body (2-4), a water depth detector (2-1) fixed on the outer side wall of the floating body (2-4), a flow speed detector (2-2) and a water temperature sensor (2-3); the egg collecting device (1) is fixed below the floating body (2-4) through a connecting rod (1-1), the main control platform (3) is fixed at the upper part of the floating body (2-4), and the visual image collecting device (4) is fixed on the box body of the main control platform (3); the video acquisition device (4), the water depth detector (2-1), the flow velocity detector (2-2) and the water temperature sensor (2-3) are respectively connected with a controller (3-1) in the main control platform (3) through cables, and the controller (3-1) is in information interaction with the remote monitoring terminal through the communication module.
2. The fish spawning monitoring device in waters surrounding a pumped-storage power plant of claim 1, wherein: the main control platform (3) comprises a box body, a controller (3-1) positioned in the box body, a storage battery (3-2) and a balancing weight (3-3); the solar energy power generation box also comprises a solar cell panel (3-4) positioned outside the box body; the solar cell panel (3-4) is connected with the storage battery (3-2) through the DC/DC converter, and the storage battery (3-2) supplies power to the controller (3-1).
3. The fish spawning monitoring device in waters surrounding a pumped storage power station of claim 1, wherein: the egg collecting device (1) consists of a hollow pipeline (1-2) and an egg screening plate (1-3) arranged at the center of the hollow pipeline (1-2); two openings of the hollow pipeline (1-2) are horn-shaped openings, and the aperture of the egg sieving plate (1-3) is 0.2mm; and a light sensor (1-4) is arranged at the position 3-5 cm away from the egg sieving plate (1-3) on the inner side wall of the hollow pipeline (1-2), and the light sensor (1-4) is connected with a controller (3-1) in the main control platform (3) through a cable.
4. The fish spawning monitoring device in waters surrounding a pumped-storage power plant of claim 1, wherein: the visual image acquisition device (4) comprises a support arm (4-1) and a camera (4-2) fixed at the end part of the support arm (4-1); an adjustable sleeve (4-3) is arranged on the supporting arm (4-1), and the length of the supporting arm (4-1) is adjusted by the supporting arm (4-1) through the adjustable sleeve (4-3).
5. The fish spawning monitoring device in waters surrounding a pumped storage power station of claim 1, wherein: the floating body (2-4) is a hollow air cushion floating body, and the diameter of the floating body (2-4) is larger than the length of the diagonal line of the box body of the main control platform (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122730937.2U CN218456449U (en) | 2021-11-09 | 2021-11-09 | Fish spawning monitoring device in water area around pumped storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122730937.2U CN218456449U (en) | 2021-11-09 | 2021-11-09 | Fish spawning monitoring device in water area around pumped storage power station |
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| Publication Number | Publication Date |
|---|---|
| CN218456449U true CN218456449U (en) | 2023-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122730937.2U Active CN218456449U (en) | 2021-11-09 | 2021-11-09 | Fish spawning monitoring device in water area around pumped storage power station |
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| CN (1) | CN218456449U (en) |
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2021
- 2021-11-09 CN CN202122730937.2U patent/CN218456449U/en active Active
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