CN116721531B - Real-time early warning device and method for ecological flow of monitoring section of ecological flow in river channel - Google Patents
Real-time early warning device and method for ecological flow of monitoring section of ecological flow in river channel Download PDFInfo
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- CN116721531B CN116721531B CN202310643453.5A CN202310643453A CN116721531B CN 116721531 B CN116721531 B CN 116721531B CN 202310643453 A CN202310643453 A CN 202310643453A CN 116721531 B CN116721531 B CN 116721531B
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- 238000010248 power generation Methods 0.000 claims description 9
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/006—Arresting, diverting or chasing away fish in water-courses or water intake ducts, seas or lakes, e.g. fish barrages, deterrent devices ; Devices for cleaning fish barriers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/08—Fish passes or other means providing for migration of fish; Passages for rafts or boats
- E02B8/085—Devices allowing fish migration, e.g. fish traps
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/32—Methods or installations for obtaining or collecting drinking water or tap water with artificial enrichment, e.g. by adding water from a pond or a river
- E03B3/36—Methods or installations for obtaining or collecting drinking water or tap water with artificial enrichment, e.g. by adding water from a pond or a river of surface water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/002—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow wherein the flow is in an open channel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/60—Ecological corridors or buffer zones
Abstract
The invention belongs to the technical field of ecological flow monitoring, and in particular relates to a real-time early warning device and method for ecological flow of an ecological flow monitoring section in a river channel, wherein the device comprises a fishway main body, a single-layer fish-passing channel, a multi-layer fish-passing channel, an early warning system and a water supplementing system, wherein a reciprocating common-side-wall fishway is arranged in the fishway main body, the single-layer fish-passing channel is arranged at an inlet of the reciprocating common-side-wall fishway, and the multi-layer fish-passing channel is arranged at an outlet of the reciprocating common-side-wall fishway; the outside of the fishway main body is provided with a water supplementing system; the early warning system comprises a controller, a living body detection sensor, an image shooting module, a fish identification module and a wireless communication module. The method for calculating the ecological flow of the river channel based on the fish hydrologic demand is simplified, the fish with better representativeness can be optimized according to the time interval, and the ecological flow in the river channel can be monitored and early-warned in real time.
Description
Technical Field
The invention belongs to the technical field of ecological flow monitoring, and particularly relates to a real-time early warning device and method for ecological flow of a river channel ecological flow monitoring section.
Background
The fish is a key indicator species for river ecological protection and restoration, the hydrodynamic requirements of the life history of the fish are quantified, and a corresponding ecological hydrologic relationship is established, so that the fish is the basis for developing a river ecological flow calculation method with a physical mechanism. In the existing river channel ecological flow calculation method based on fish hydrologic requirements, a physical habitat modeling related theory and method represented by a river channel flow increment method are dominant, and the proper ecological flow of the river channel in different periods is obtained by evaluating the proper habitat quantity and quality of each life stage of a target species of the river channel under different flow conditions.
The fishway is a channel for fish migration, and remedial measures are taken because human activities destroy the channel for fish migration; when the weather is dry, the water level in the fishway can drop, so that fish can smoothly migrate in the fishway and water needs to be supplemented to the fishway, at present, river water is generally input into the fishway for water supplement, and because fish has requirements on water quality, the river water in the input fishway needs to be detected, whether the river water meets the requirements of fish or not is judged, and the river water needs to be sampled before the river water is detected.
In the prior art, the lack of the cross section ecological flow real-time early warning equipment based on the fishway has a plurality of defects: firstly, a river ecological flow calculation method based on fish hydrologic requirements cannot be simplified, fish with good representativeness cannot be optimized according to time intervals, and ecological flow in a river cannot be monitored and real-time early warning can not be carried out; secondly, the water quality of the water replenishing of the fishway cannot be detected, and the medicine can not be timely added to improve the water quality when the water quality does not reach the standard; thirdly, fish luring effect of the fishway inlet is poor, and adverse effect is brought to ecological flow monitoring.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a real-time early warning device and method for the ecological flow of the monitoring section of the ecological flow in a river channel.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the invention provides ecological flow real-time early warning equipment for a river channel ecological flow monitoring section, which comprises a fishway main body, a single-layer fish-passing channel, a multi-layer fish-passing channel, an early warning system and a water supplementing system, wherein the fishway main body comprises two side walls which are symmetrically arranged, partition walls are fixed between the two side walls in a staggered manner, the side walls and the partition walls jointly enclose a reciprocating type common side wall fishway, the single-layer fish-passing channel is arranged at the inlet of the reciprocating type common side wall fishway, and the multi-layer fish-passing channel is arranged at the outlet of the reciprocating type common side wall fishway; the outside of the fishway main body is provided with a water supplementing system for supplementing water to the reciprocating common-side-wall fishway;
the early warning system comprises a controller, a living body detection sensor, an image shooting module, a fish identification module and a wireless communication module, wherein the living body detection sensor and the image shooting module are installed in a fish passing cavity of a single-layer fish passing channel and a multi-layer fish passing channel, the living body detection sensor is arranged close to an inlet of the fish passing cavity, when the living body detection sensor detects that a living body passes, a living body signal is sent to the controller, the controller shoots through the image shooting module, and the fish identification module acquires a fish image through the controller and identifies the fish image and then determines the type of the fish;
the controller records the migration quantity of fishes according to quarters, establishes a standard database, uses the standard database as a reference standard of the section ecological flow, and carries out section ecological flow real-time early warning to a background monitoring center through a wireless communication module when the migration quantity value recorded by the continuous 7 balances is lower than 0.8 times of the reference standard.
Further, in the river channel internal ecological flow monitoring section ecological flow real-time early warning device, the standard database comprises migration amounts of all different fishes, and when the migration amount value recorded by average corresponding fishes for 7 consecutive days is lower than 0.8 times of a reference standard, the controller carries out section ecological flow real-time early warning of the corresponding fishes to the background monitoring center through the wireless communication module.
Further, in the river channel ecological flow monitoring section ecological flow real-time early warning device, the standard database comprises migration quantity of selected fish, and when the migration quantity value of average record of the selected fish is lower than 0.8 times of a reference standard in 7 consecutive days, the controller carries out section ecological flow real-time early warning to a background monitoring center through the wireless communication module.
Further, in the real-time early warning device for the ecological flow of the ecological flow monitoring section in the river channel, the water supplementing system comprises a water supplementing tank, a water inlet pipe, a water outlet pipe, a spray head, a dosing tank and a water quality detection tank, wherein a medicine mixing area, a water inlet area, a water outlet area and an overflow area are arranged in the water supplementing tank, the water inlet pipe is externally connected with the side end of the top of the water inlet area, the bottom end of the water inlet area is communicated with the bottom end of the medicine mixing area, the top end of the medicine mixing area is communicated with the top end of the water outlet area, the bottom end of the water outlet area is communicated with the bottom end of the overflow area, the top side end of the overflow area is externally connected with a water outlet pipe, an inclined pipe part extending along the inner wall of the side wall is arranged on the water outlet pipe, spray heads are uniformly distributed on the lower side of the inclined pipe part, and the spray heads above the reciprocating type common side wall fish channel are used as water supplementing spray heads, and the spray heads above and in front of the single-layer fish passing channel are used as fish guiding spray heads; a dosing pump is arranged in the dosing tank, and is connected with a dosing pipe extending into the dosing area; the water quality detection module is arranged in the water quality detection box and is connected with a sampling pipe extending into the water inlet area and the overflow area.
Furthermore, in the real-time early warning device for the ecological flow of the ecological flow monitoring section in the river, the water level sensor is installed on the reciprocating type common side wall fishway, and the dosing pump, the water quality detection module and the water level sensor are all connected with the controller.
Further, in the ecological flow monitoring section ecological flow real-time early warning equipment in the river course, install the medicine subassembly that mixes on the water supply tank, the medicine subassembly that mixes includes medicine motor, (mixing) shaft, straight blade and promotes thick liquid, the compounding motor is connected with the controller, the compounding motor passes through the motor support to be fixed in the case lid outside of water supply tank, the loose end of compounding motor has the (mixing) shaft that stretches into the medicine mixing district through the coupling joint, a plurality of straight blade are installed to the upper portion shaft outside of (mixing) shaft, promote thick liquid is installed to the bottom of (mixing) shaft.
Further, in the ecological flow monitoring section ecological flow real-time early warning device in the river course, the filter component is installed to the top that the district is located to promote thick liquid of intaking, filter component includes round platform shape filter mantle, the top of round platform shape filter mantle is equipped with the end plate, the center department of end plate install with (mixing) shaft complex bearing seal, the bottom of round platform shape filter mantle is equipped with a plurality of cardboard along the circumference, the draw-in groove with cardboard complex is seted up to the inner wall in district intaking, the bottom opening diameter of round platform shape filter mantle equals with the internal diameter in district intaking.
Further, in the ecological flow monitoring section ecological flow real-time early warning device in the river course, the stirring shaft is located the below of filter component and installs the clearance subassembly, the clearance subassembly includes installation cover, compression spring, traveller, even board, ear seat and scrapes the brush, the outside at the stirring shaft is fixed to the installation cover, the inside of installation cover is equipped with compression spring, the traveller slip restriction is in the installation cover, just the inner and the compression spring of traveller offset, the outside of scraping the brush offsets with the inside wall of round platform shape filter mantle, the inboard symmetry of scraping the brush is fixed with two ear seats, every install between the outer tip of ear seat and traveller and link the board.
Furthermore, in the real-time early warning device for the ecological flow of the ecological flow monitoring section in the river, an auxiliary power supply system is further installed on the outer side of the fishway main body, and the auxiliary power supply system is one of a photovoltaic power generation system, a wind power generation system and a hydroelectric power generation system.
The invention also provides a real-time early warning method for the ecological flow of the river channel inner ecological flow monitoring section, which is realized based on the real-time early warning equipment for the ecological flow of the river channel inner ecological flow monitoring section, and comprises the following steps:
1) The controller records the migration quantity of fish according to quarters, establishes a standard database, and takes the standard database as a reference standard of the ecological flow of the section, wherein the reference standard is divided into four corresponding to four quarters;
2) When the migration quantity values recorded by the continuous 7 balances are lower than 0.8 times of the reference standard, the controller carries out section ecological flow real-time early warning on the background monitoring center through the wireless communication module; when 7 consecutive days belong to the same quarter, selecting a reference standard of the corresponding quarter; when the number of days crossing two quarters in 7 continuous days is more than or equal to 5 days in one quarter, selecting a reference standard with more days corresponding to the quarter; when the number of days spanning two quarters in 7 consecutive days and no quarter is equal to or greater than 5 days, the average value of the reference standards of the two quarters is taken as a new reference standard.
The beneficial effects of the invention are as follows:
1. according to the method, the migration quantity of the fish is recorded in quarters, a standard database is established, the standard database is used as a reference standard of the ecological flow of the section, when the migration quantity value recorded by the continuous 7 balances is lower than 0.8 times of the reference standard, the ecological flow of the section is early-warned in real time to a background monitoring center, the river channel ecological flow calculation method based on the fish hydrologic demand is simplified in the mode, the fish with better representativeness can be optimized according to the time period, and the ecological flow in the river channel is monitored and early-warned in real time.
2. The water replenishing system is reasonable in design, can detect the water quality of the replenishing water, and timely adds medicine when the water quality does not reach the standard, so that the water quality of the replenishing water is ensured to reach the standard; be equipped with medicine mixing assembly, filter component and clearance subassembly in the moisturizing system, medicine mixing assembly is used for the guarantee to mix the medicine effect, and filter component is used for intercepting the impurity in the moisturizing, and clearance subassembly is used for clearing up filter component, avoids its jam.
3. The water supplementing system can supplement water to a plurality of positions of the reciprocating common-side wall fishway at the same time, so that the stability of the flow state of the water flow of the fishway is better; meanwhile, the spray heads above and in front of the single-layer fish passage are used as fish guiding spray heads, so that the fish attracting effect of the fishway inlet is good, and the ecological flow monitoring is facilitated.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an angle perspective structure of the present invention;
FIG. 2 is a schematic view of another angle perspective of the present invention;
FIG. 3 is a schematic diagram of the water replenishment tank according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of the water replenishing tank according to the present invention;
FIG. 5 is a schematic view of the structure of the filter assembly and the cleaning assembly of the present invention;
FIG. 6 is a schematic top view of a filter assembly according to the present invention;
FIG. 7 is a block diagram of the connection of the relevant electrical components of the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
the device comprises a side wall, a 2-partition wall, a 3-single-layer fish passing channel, a 4-multi-layer fish passing channel, a 5-water supplementing tank, a 501-medicine mixing area, a 502-water inlet area, a 503-water outlet area, a 504-overflow area, a 6-medicine adding box, a 7-water quality detection box, an 8-water inlet pipe, a 9-water outlet pipe, a 10-spray nozzle, a 11-mixing motor, a 12-stirring shaft, a 13-straight blade plate, a 14-filtering component, a 141-round table-shaped filter cover, a 142-end plate, a 143-shaft seal, a 144-clamping plate, a 15-cleaning component, a 151-mounting sleeve, a 152-compression spring, a 153-sliding column, a 154-connecting plate, a 155-ear seat, a 156-scraping brush, a 16-lifting slurry, a 17-auxiliary power supply system, a 18-controller, a 19-living body detection sensor, a 20-image shooting module, a 21-fish identification module, a 22-water level sensor, a 23-water quality detection module, a 24-medicine adding pump and a 25-wireless communication module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-7, the embodiment is a real-time early warning device for monitoring the ecological flow of a cross section of an ecological flow in a river channel, which comprises a fishway main body, a single-layer fish passage 3, a multi-layer fish passage 4, an early warning system and a water supplementing system. The fishway main body comprises two side walls 1 which are symmetrically arranged, partition walls 2 are fixed between the two side walls 1 in a staggered manner, the side walls 1 and the partition walls 2 jointly enclose a reciprocating type common side wall fishway, a single-layer fish passage 3 is arranged at the inlet of the reciprocating type common side wall fishway, and a multi-layer fish passage 4 is arranged at the outlet of the reciprocating type common side wall fishway.
In this embodiment, the early warning system includes controller 18, living body detection sensor 19, image shooting module 20, fish identification module 21 and wireless communication module 25, and the individual layer is crossed fish passageway 3 and is equipped with the individual layer and cross the fish cavity, and the multilayer is crossed fish passageway 4 and is equipped with the multilayer and cross the fish cavity, crosses the design of fish cavity and can reduce fish overlap probability of getting into, does benefit to the rate of accuracy that improves the quantity statistics. The living body detection sensor 19 and the image shooting module 20 are installed in the fish passing cavity, the living body detection sensor 19 is arranged close to the entrance of the fish passing cavity, when the living body detection sensor 19 detects that a living body passes through, a living body signal is sent to the controller 18, the controller 18 shoots through the image shooting module 20, the fish identification module 21 acquires a fish image through the controller, and the type of the fish image is determined after the fish image is identified. The statistics data of the multi-layer fish-passing channel is used for correcting the statistics data of the multi-layer fish-passing channel 4 based on the statistics data of the multi-layer fish-passing channel, and the verification method is that when the statistics data of the single-layer fish-passing channel 3 is 100 and the statistics total amount of the multi-layer fish-passing channel 4 is 120, the statistics data of the multi-layer fish-passing channel 4 is required to be reduced to 100 in proportion.
In this embodiment, when the river is not representative of fish:
the standard database contains the migration quantity of all different species of fishes, and when the average recorded migration quantity value of the corresponding species of fishes is lower than 0.8 times of the reference standard in 7 continuous days, the controller 18 carries out the section ecological flow real-time early warning of the corresponding species of fishes to the background monitoring center through the wireless communication module 25.
In this embodiment, when the river is a representative fish:
the standard database contains migration quantity of selected fishes, and when the migration quantity value of average record of the selected fishes is lower than 0.8 times of the reference standard in 7 continuous days, the controller 18 carries out section ecological flow real-time early warning to the background monitoring center through the wireless communication module 25.
In this embodiment, a water replenishing system for replenishing water to the reciprocating common-side-wall fishway is provided on the outer side of the fishway main body. The water replenishing system comprises a water replenishing tank 5, a water inlet pipe 8, a water outlet pipe 9, a spray head 10, a dosing tank 6 and a water quality detection tank 7, wherein a cylindrical medicine mixing area 501, a water inlet area 502, a water outlet area 503 and an overflow area 504 are arranged in the water replenishing tank 5, the water inlet pipe 8 is externally connected with the side end of the top of the water inlet area 502, the bottom end of the water inlet area 502 is communicated with the bottom end of the medicine mixing area 501, the top end of the medicine mixing area 501 is communicated with the top end of the water outlet area 503, the bottom end of the water outlet area 503 is communicated with the bottom end of the overflow area 504, and the water outlet pipe 9 is externally connected with the side end of the top of the overflow area 504. The water outlet pipe 9 is provided with an inclined pipe part extending along the inner wall of the side wall 1, the lower side of the inclined pipe part is uniformly provided with spray heads 10, the spray heads positioned above the reciprocating common side wall fishway are used as water supplementing spray heads, and the spray heads positioned above and in front of the single-layer fish passing channel 3 are used as fish guiding spray heads.
In this embodiment, a dosing pump 24 is built in the dosing tank 6, and the dosing pump 24 is connected with a dosing pipe extending into the mixing region 501. The water quality detection module 23 is arranged in the water quality detection box 7, and the water quality detection module 23 is connected with sampling pipes extending into the water inlet area 502 and the overflow area 504. The reciprocating type common side wall fishway is provided with a water level sensor 22, and a dosing pump 24, a water quality detection module 23 and the water level sensor 22 are all connected with the controller 18. When the water level sensor 22 detects that the water level of the reciprocating common-side wall fishway is low, the water supplementing system is utilized for water supplementing operation. Meanwhile, the water quality detection module 23 detects the water quality of the water inlet area 502, when the water quality does not reach the standard, the controller 18 controls the dosing pump 24 to work, the dosing area 501 is dosed at intervals, the water quality detection module 23 detects the water quality of the overflow area 504, and the water quality of the water supply is guaranteed to reach the standard.
In this embodiment, install the medicine subassembly that mixes on the moisturizing case 5, the medicine subassembly that mixes includes mix motor 11, (mixing) shaft 12, straight blade 13 and promotes thick liquid 16, mix motor 11 is connected with controller 18, mix motor 11 passes through the motor support to be fixed in the case lid outside of moisturizing case 5, mix motor 11's active end has the (mixing) shaft 12 that stretches into mixed medicine district 501 through the coupling joint, a plurality of straight blade 13 are installed to the upper portion shaft outside of (mixing) shaft 12, promote thick liquid 16 is installed to the bottom of (mixing) shaft 12, promote thick liquid 16 and make the water have the trend of upward displacement.
In this embodiment, the filtering component 14 is installed above the lifting slurry 16 in the water inlet area 501, the filtering component 14 includes a truncated cone-shaped filter cover 141, an end plate 142 is disposed at the top end of the truncated cone-shaped filter cover 141, a shaft seal 143 matched with the stirring shaft 12 is installed at the center of the end plate 142, a plurality of clamping plates 144 are circumferentially disposed at the bottom end of the truncated cone-shaped filter cover 141, clamping grooves matched with the clamping plates 144 are formed in the inner wall of the water inlet area 501, and the diameter of the bottom opening of the truncated cone-shaped filter cover 141 is equal to the inner diameter of the water inlet area 501.
In this embodiment, the stirring shaft 12 is located below the filtering component 14, and a cleaning component 15 is installed below the filtering component 14, where the cleaning component 15 includes a mounting sleeve 151, a compression spring 152, a sliding column 153, a connecting plate 154, an ear seat 155 and a scraping brush 156, the mounting sleeve 151 is fixed on the outer side of the stirring shaft 12, the compression spring 152 is disposed in the mounting sleeve 151, the sliding column 153 is limited in the mounting sleeve 151 in a sliding manner, and the inner end of the sliding column 153 abuts against the compression spring 152. The outer side of the scraping brush 156 is propped against the inner side wall of the truncated cone-shaped filter cover 141, two ear seats 155 are symmetrically fixed on the inner side of the scraping brush 156, and a connecting plate 154 is arranged between each ear seat 155 and the outer end part of the sliding column 153.
In this embodiment, an auxiliary power supply system 17 is further installed on the outer side of the fishway body, and the auxiliary power supply system 17 is one of a photovoltaic power generation system, a wind power generation system and a hydroelectric power generation system.
The embodiment also provides a real-time early warning method for the ecological flow of the ecological flow monitoring section in the river channel, which comprises the following steps:
1) The controller 18 records the migration quantity of fish according to quarters, establishes a standard database, and takes the standard database as a reference standard of the ecological flow of the section, wherein the reference standard is divided into four corresponding to four quarters;
2) When the migration quantity values recorded by the continuous 7 balances are lower than 0.8 times of the reference standard, the controller carries out section ecological flow real-time early warning on the background monitoring center through the wireless communication module; when 7 consecutive days belong to the same quarter, selecting a reference standard of the corresponding quarter; when the number of days crossing two quarters in 7 continuous days is more than or equal to 5 days in one quarter, selecting a reference standard with more days corresponding to the quarter; when the number of days spanning two quarters in 7 consecutive days and no quarter is equal to or greater than 5 days, the average value of the reference standards of the two quarters is taken as a new reference standard.
The preferred embodiments of the invention disclosed above are merely helpful in explaining the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The real-time early warning device for the ecological flow of the ecological flow monitoring section in the river channel is characterized by comprising a fishway main body, a single-layer fish passage, a multi-layer fish passage, an early warning system and a water supplementing system, wherein the fishway main body comprises two side walls which are symmetrically arranged, partition walls are fixedly staggered between the two side walls, the side walls and the partition walls jointly enclose a reciprocating type common side wall fishway, the single-layer fish passage is arranged at the inlet of the reciprocating type common side wall fishway, and the multi-layer fish passage is arranged at the outlet of the reciprocating type common side wall fishway; the outside of the fishway main body is provided with a water supplementing system for supplementing water to the reciprocating common-side-wall fishway;
the early warning system comprises a controller, a living body detection sensor, an image shooting module, a fish identification module and a wireless communication module, wherein the living body detection sensor and the image shooting module are installed in a fish passing cavity of a single-layer fish passing channel and a multi-layer fish passing channel, the living body detection sensor is arranged close to an inlet of the fish passing cavity, when the living body detection sensor detects that a living body passes, a living body signal is sent to the controller, the controller shoots through the image shooting module, and the fish identification module acquires a fish image through the controller and identifies the fish image and then determines the type of the fish;
the controller records the migration quantity of fish according to quarters, establishes a standard database, uses the standard database as a reference standard of the section ecological flow, and carries out section ecological flow real-time early warning to a background monitoring center through a wireless communication module when the migration quantity value recorded by the continuous 7 balances is lower than 0.8 times of the reference standard;
the water replenishing system comprises a water replenishing tank, a water inlet pipe, a water outlet pipe, a spray head, a dosing tank and a water quality detection tank, wherein a medicine mixing area, a water inlet area, a water outlet area and an overflow area are arranged in the water replenishing tank; a dosing pump is arranged in the dosing tank, and is connected with a dosing pipe extending into the dosing area; a water quality detection module is arranged in the water quality detection box and is connected with a sampling pipe extending into the water inlet area and the overflow area;
the reciprocating type common side wall fishway is provided with a water level sensor, and the dosing pump, the water quality detection module and the water level sensor are all connected with a controller;
the medicine mixing assembly comprises a mixing motor, a stirring shaft, straight blades and lifting pulp, wherein the mixing motor is connected with the controller, the mixing motor is fixed on the outer side of a box cover of the medicine supplementing box through a motor bracket, the movable end of the mixing motor is connected with the stirring shaft extending into a medicine mixing area through a coupling, the outer side of the upper shaft body of the stirring shaft is provided with the straight blades, and the bottom end of the stirring shaft is provided with the lifting pulp;
the filter assembly comprises a truncated cone-shaped filter cover, wherein an end plate is arranged at the top end of the truncated cone-shaped filter cover, a shaft seal matched with a stirring shaft is arranged at the center of the end plate, a plurality of clamping plates are arranged at the bottom end of the truncated cone-shaped filter cover along the circumferential direction, clamping grooves matched with the clamping plates are formed in the inner wall of the water inlet area, and the diameter of a bottom opening of the truncated cone-shaped filter cover is equal to the inner diameter of the water inlet area;
the utility model discloses a filter equipment, including filter equipment, stirring axle, connecting plate, ear seat, scraping brush, the filter equipment is located the below of filter equipment, the filter equipment is installed including installation cover, compression spring, traveller, even board, ear seat and scraping brush, the outside at the stirring axle is fixed to the installation cover, the inside of installation cover is equipped with compression spring, the traveller slip restriction is in the installation cover, just the inner and compression spring of traveller offset, the outside of scraping the brush offsets with the inside wall of round platform shape filter mantle, the inboard symmetry of scraping the brush is fixed with two ear seats, every install between the outer tip of ear seat and traveller and link the board.
2. The real-time early warning device for ecological flow monitoring section ecological flow in a river channel according to claim 1, wherein the device is characterized in that: the standard database comprises migration numbers of all different fishes, and when the average recorded migration number value of the corresponding fishes is lower than 0.8 times of a reference standard in 7 continuous days, the controller performs real-time early warning on the section ecological flow of the corresponding fishes to the background monitoring center through the wireless communication module.
3. The real-time early warning device for ecological flow monitoring section ecological flow in a river channel according to claim 1, wherein the device is characterized in that: the standard database contains the migration quantity of selected fish, and when the average recorded migration quantity value of selected fish is lower than 0.8 times of a reference standard in 7 continuous days, the controller carries out section ecological flow real-time early warning to a background monitoring center through the wireless communication module.
4. The real-time early warning device for ecological flow monitoring section ecological flow in a river channel according to claim 1, wherein the device is characterized in that: the outside of fishway main part still installs auxiliary power supply system, auxiliary power supply system is one of photovoltaic power generation system, wind power generation system, hydroelectric power generation system.
5. The method for real-time early warning of the ecological flow of the monitored section of the ecological flow in the river course is realized based on the real-time early warning device for the ecological flow of the monitored section of the ecological flow in the river course according to the claim 4, and is characterized by comprising the following steps:
1) The controller records the migration quantity of fish according to quarters, establishes a standard database, and takes the standard database as a reference standard of the ecological flow of the section, wherein the reference standard is divided into four corresponding to four quarters;
2) When the migration quantity values recorded by the continuous 7 balances are lower than 0.8 times of the reference standard, the controller carries out section ecological flow real-time early warning on the background monitoring center through the wireless communication module; when 7 consecutive days belong to the same quarter, selecting a reference standard of the corresponding quarter; when the number of days crossing two quarters in 7 continuous days is more than or equal to 5 days in one quarter, selecting reference standards of the corresponding quarters with more days; when the number of days spanning two quarters in 7 consecutive days and no quarter is equal to or greater than 5 days, the average value of the reference standards of the two quarters is taken as a new reference standard.
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| CN116721531A (en) | 2023-09-08 |
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