CN114923514B - Water conservancy and hydropower engineering let-down ecological flow real-time monitoring equipment - Google Patents
Water conservancy and hydropower engineering let-down ecological flow real-time monitoring equipment Download PDFInfo
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- CN114923514B CN114923514B CN202210421177.3A CN202210421177A CN114923514B CN 114923514 B CN114923514 B CN 114923514B CN 202210421177 A CN202210421177 A CN 202210421177A CN 114923514 B CN114923514 B CN 114923514B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000012544 monitoring process Methods 0.000 title abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 47
- 238000012806 monitoring device Methods 0.000 claims abstract description 12
- 230000007797 corrosion Effects 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000003313 weakening effect Effects 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 description 10
- 238000005461 lubrication Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses a real-time monitoring device for the drainage ecological flow of a hydraulic and hydroelectric engineering, which comprises a pipe fitting installation sleeve and a drainage pipeline arranged in the pipe fitting installation sleeve, wherein the size of the pipe fitting installation sleeve is larger than that of the drainage pipeline, the drainage pipeline is fixedly arranged in the pipe fitting installation sleeve, and the left side of the pipe fitting installation sleeve and the left side of the drainage pipeline are led to the same water area. This ecological flow real-time supervision equipment is let down to hydraulic and hydroelectric engineering, when the volume of letting down increases, the velocity of flow in the pipeline that lets down of getting into can increase, and the water strikes from moving the piston, because the diameter on the left side of throat passageway is greater than its right side for the input is greater than the output, and then moves the piston atress from moving and slide right, makes to leak the spliced eye and put through with the pipeline interface, thereby make the water that gets into in the pipeline that lets down can also discharge through the slow pressure pipeline, with the pressure in the pipeline that lets down of weakening, avoid its compression too big and take place the loss, ensure the reliability of monitoring.
Description
Technical Field
The invention relates to the technical field of hydraulic and hydroelectric engineering, in particular to real-time monitoring equipment for the drainage ecological flow of the hydraulic and hydroelectric engineering.
Background
Along with the continuous deep understanding of ecological environment protection and the continuous improvement of management requirements in China, the environmental protection administrative authorities require that all hydraulic and hydroelectric engineering must let down proper ecological flow, and in order to strengthen supervision, the requirement of building a let-down ecological flow real-time monitoring system is also provided, the system is required to monitor the let-down ecological flow of the hydraulic and hydroelectric engineering in real time and accurately, and data is transmitted to the monitoring departments in real time.
The monitoring equipment can automatically monitor, store and remotely transmit the drainage ecological flow data of the hydraulic and hydroelectric engineering in real time, and can realize the real-time dynamic automatic remote supervision of the drainage ecological flow of the hydraulic and hydroelectric engineering. The utility model provides a hydraulic and hydroelectric engineering lets out ecological flow real-time supervision equipment refers to the water flow that lets out down to hydraulic and hydroelectric engineering carries out quality or the equipment that the water yield was measured, but its pressure stable release in the pipe line that can not ensure when ecological flow monitors, when the flow increases sharply, makes the pipe line impaired easily and leads to the monitoring result inaccurate. Therefore, a real-time monitoring device for the drainage ecological flow of the hydraulic and hydroelectric engineering needs to be designed so as to solve the problems.
Disclosure of Invention
The invention aims to provide real-time monitoring equipment for the drainage ecological flow of water conservancy and hydropower engineering, so as to solve the problems of the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an ecological flow real-time supervision equipment leaks under hydraulic and hydroelectric engineering, includes the pipe fitting installation cover and installs the pipeline of letting out in the pipe fitting installation cover, the size of pipe fitting installation cover is big than the size of letting out the pipeline down, and let out pipeline fixed mounting in the pipe fitting installation cover down, the left side of pipe fitting installation cover and the left side of letting out the pipeline open to same water area, still install flow detector in the pipe fitting installation cover, and the top fixed mounting of pipe fitting installation cover has external controller, install the water quality sensor who stretches into in the pipe fitting installation cover on the external controller, it is connected with the pipeline of letting out to wear to the outside slow pressure pipeline of pipe fitting installation cover down, flow detector and water quality sensor all with external controller electric connection.
Preferably, the self-moving piston is slidably mounted in the down leakage pipeline, a necking channel is formed in the self-moving piston, the diameter of the left side of the necking channel is larger than that of the right side of the self-moving piston, an out leakage connecting hole is formed in the inner wall of the necking channel, a pipeline interface communicated with the slow pressure pipeline is formed in the down leakage pipeline, the pipeline interface and the out leakage connecting hole are formed in the same inclined plane, and a reset assembly connected with the self-moving piston is arranged in the down leakage pipeline.
Preferably, the reset assembly comprises a positioning ring and a corrosion resistant spring, wherein the positioning ring is fixedly arranged in the discharging pipeline, the right side of the positioning ring is fixedly connected with the corrosion resistant spring, and the other end of the corrosion resistant spring is fixedly connected with the self-moving piston.
Preferably, a sealing ring is arranged at the joint of the external controller and the pipe fitting installation sleeve, a liquid crystal display is arranged on the external controller, and the flow detector and the water quality sensor are electrically connected with the liquid crystal display.
Preferably, the flow detector comprises a barrel, a rotating shaft, a driving screw blade and a rotating speed recorder, wherein the barrel is fixedly arranged in a pipe fitting installation sleeve, the rotating shaft is rotatably arranged in the barrel, the rotating shaft is horizontally set, the driving screw blade is fixedly arranged on the rotating shaft, the rotating speed recorder is fixedly arranged on the right side of the barrel, and the rotating speed recorder is connected with the driving screw blade.
Preferably, a lubrication bearing is mounted on the right inner wall of the barrel, and the right end of the rotating shaft is rotatably connected in the lubrication bearing.
Preferably, when the leakage connection hole is completely coincident with the pipeline interface, the corrosion resistant spring reaches maximum deformation.
Compared with the prior art, the invention has the beneficial effects that:
(1) This hydraulic and hydroelectric engineering lets out ecological flow real-time supervision equipment, install the pipe fitting installation cover in hydraulic engineering lets out the spillway, water can flow into pipe fitting installation cover and let out in the pipeline simultaneously, stretch to the water quality sensor in the pipe fitting installation cover and detect water quality and with its data transmission to external controller, the water flow in the pipeline lets out the mouth passageway and can directly let out and discharge, if let out the flow volume under when increasing, the velocity of flow in the pipeline can increase down, the water is impacted from moving the piston, because the diameter on the left side of mouth passageway is bigger than its right side for the input is greater than the output, and then move the piston atress from and slide to the right, make and leak the connecting hole and put through with the pipeline interface, thereby make the water that gets into in the pipeline of letting out can also discharge through slow pressure pipeline, in order to weaken the pipeline of letting out, avoid its pressure too big and take place the loss, the reliability of monitoring.
(2) This ecological flow real-time supervision equipment is let down to hydraulic and hydroelectric engineering, because water can get into pipe fitting installation cover simultaneously and let down the pipeline, when water flow detector, water can strike drive spiral shell leaf, make drive spiral shell leaf drive the rotation axis and rotate, and rotation axis pivoted number of turns can be recorded to the rotational speed record appearance in the stipulation time to the number of turns is revealed through LCD, so that more audio-visual flow rate of observing water carries out real-time supervision to the flow, and the data that water quality sensor detected can also be revealed on LCD simultaneously, and the monitoring is stable.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a top plan view of the structure of the present invention;
FIG. 3 is a schematic view of the self-moving piston of FIG. 2 after sliding to the right in the structure of the present invention;
FIG. 4 is a front cross-sectional view of the structure of the present invention;
FIG. 5 is an enlarged view of section A of FIG. 4, which is a structural view of the present invention;
fig. 6 is a semi-sectional view of a self-moving piston of the present invention.
In the figure: 1. a pipe fitting installation sleeve; 2. a drain line; 3. a flow rate detector; 4. an external controller; 5. a water quality sensor; 6. a pressure relief pipeline; 7. a self-moving piston; 8. a necking channel; 9. a leakage connection hole; 10. a pipe interface; 11. a positioning ring; 12. a corrosion resistant spring; 13. a liquid crystal display; 14. a seal ring; 15. a cartridge; 16. lubricating the bearing; 17. a rotation shaft; 18. driving the screw blade; 19. a tachograph.
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.
Referring to fig. 1-6, the present invention provides the following embodiments:
example 1
The utility model provides a hydraulic and hydroelectric engineering lets out ecological flow real-time supervision equipment, including pipe fitting installation cover 1 and install let out pipeline 2 in pipe fitting installation cover 1, the size of pipe fitting installation cover 1 is bigger than the size of let out pipeline 2, and let out pipeline 2 fixed mounting in pipe fitting installation cover 1, the left side of pipe fitting installation cover 1 and the left side of let out pipeline 2 open same water area, still install flow detector 3 in the pipe fitting installation cover 1, and the top fixed mounting of pipe fitting installation cover 1 has external controller 4, install the water quality sensor 5 that stretches into in the pipe fitting installation cover 1 on the external controller 4, be connected with on the let out pipeline 2 and wear to the outside slow pressure pipeline 6 of pipe fitting installation cover 1, flow detector 3 and water quality sensor 5 all with external controller 4 electric connection.
Further, a self-moving piston 7 is slidably mounted in the discharging pipeline 2, a necking channel 8 is formed in the self-moving piston 7, the diameter of the left side of the necking channel 8 is larger than that of the right side of the self-moving piston, an discharging connecting hole 9 is formed in the inner wall of the necking channel 8, a pipeline connector 10 communicated with the slow pressure pipeline 6 is formed in the discharging pipeline 2, the pipeline connector 10 and the discharging connecting hole 9 are located on the same inclined plane, and a reset assembly connected with the self-moving piston 7 is arranged in the discharging pipeline 2.
Further, reset assembly includes holding ring 11 and corrosion resistant spring 12, and holding ring 11 fixed mounting is in the inside of discharging pipeline 2, and holding ring 11's right side fixedly connected with corrosion resistant spring 12, and corrosion resistant spring 12's the other end fixed connection is in from moving piston 7, if the flow reduces, under corrosion resistant spring 12's elasticity shrink, makes from moving piston 7 left to reduce the area of being connected of discharging connecting hole 9 and pipeline interface 10, and then reduce the flow of discharging the passageway, make discharging pipeline 2 can stabilize the drainage.
Further, when the leakage connecting hole 9 is completely overlapped with the pipeline connector 10, the corrosion resistant spring 12 reaches the maximum deformation, and a stop block for blocking the self-moving piston 7 from generating the maximum displacement can be arranged in the leakage pipeline 2, so that the loss of the corrosion resistant spring 12 is avoided.
The specific implementation manner of the embodiment is as follows: the pipe fitting installation sleeve 1 is installed in a hydraulic engineering underflow channel, water can flow into the pipe fitting installation sleeve 1 and the down-flow pipeline 2 at the same time, the water quality sensor 5 extending into the pipe fitting installation sleeve 1 detects water quality and transmits data of the water quality to the external controller 4, the water in the down-flow pipeline 2 flows through the shrinkage port channel 8 and can be directly discharged downwards, if the down-flow is increased, the flow rate entering the down-flow pipeline 2 can be increased, the water impacts the self-moving piston 7, the input quantity is larger than the output quantity due to the fact that the diameter of the left side of the shrinkage port channel 8 is larger than the diameter of the right side of the shrinkage port channel, the self-moving piston 7 slides rightwards under the stress, the out-flow connecting hole 9 is communicated with the pipeline interface 10, and therefore the water entering the down-flow pipeline 2 can be discharged through the slow-pressure pipeline 6, the pressure in the down-flow pipeline 2 is weakened, the loss caused by overlarge pressure is avoided, and the monitoring reliability is ensured.
Example two
The difference from the first embodiment is that the following is included:
the sealing ring 14 is installed at the junction of the external controller 4 and the pipe fitting installation sleeve 1, the liquid crystal display 13 is installed on the external controller 4, and the flow detector 3 and the water quality sensor 5 are electrically connected with the liquid crystal display 13.
Further, the flow detector 3 includes a barrel 15, a rotating shaft 17, a driving screw 18 and a rotation speed recorder 19, the barrel 15 is fixedly installed in the pipe fitting installation sleeve 1, the rotating shaft 17 is rotatably installed in the barrel 15, the rotating shaft 17 is horizontally set, the driving screw 18 is fixedly installed on the rotating shaft 17, the rotation speed recorder 19 is fixedly installed on the right side of the barrel 15, and the rotation speed recorder 19 is connected with the driving screw 18.
Further, the right inner wall of the barrel 15 is provided with a lubrication bearing 16, and the right end of the rotating shaft 17 is rotatably connected in the lubrication bearing 16, so that the rotating shaft 17 rotates more smoothly, and the condition of inaccurate revolution caused by jamming is avoided.
In this embodiment: because water can get into pipe fitting installation cover 1 and let down pipeline 2 simultaneously, when the water flow detector 3, water can strike drive spiral shell leaf 18, make drive spiral shell leaf 18 drive rotation axis 17 rotate, and the number of turns that rotation axis pivoted can be recorded to rotational speed recorder 19 in the stipulated time, and the circle numerical value is revealed through LCD 13, so that more audio-visual the velocity of flow of seeing water carries out real-time supervision to the flow, the data that water quality sensor 5 detected can also reveal on LCD 13 simultaneously, the monitoring is stable.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The utility model provides a hydraulic and hydroelectric engineering lets out ecological flow real-time supervision equipment, includes pipe fitting installation cover (1) and installs in pipe fitting installation cover (1) let out pipeline (2), its characterized in that: the size of the pipe fitting installation sleeve (1) is larger than that of the discharging pipeline (2), the discharging pipeline (2) is fixedly installed in the pipe fitting installation sleeve (1), the left side of the pipe fitting installation sleeve (1) and the left side of the discharging pipeline (2) are led to the same water area, a flow detector (3) is further installed in the pipe fitting installation sleeve (1), an external controller (4) is fixedly installed at the top of the pipe fitting installation sleeve (1), a water quality sensor (5) extending into the pipe fitting installation sleeve (1) is installed on the external controller (4), a pressure relief pipeline (6) penetrating into the outside of the pipe fitting installation sleeve (1) is connected to the discharging pipeline (2), and the flow detector (3) and the water quality sensor (5) are electrically connected with the external controller (4);
the automatic leakage device is characterized in that a self-moving piston (7) is arranged in the leakage pipeline (2) in a sliding manner, a necking passage (8) is formed in the self-moving piston (7), the diameter of the left side of the necking passage (8) is larger than that of the right side of the self-moving piston, an leakage connecting hole (9) is formed in the inner wall of the necking passage (8), a pipeline interface (10) communicated with the slow pressure pipeline (6) is formed in the leakage pipeline (2), the pipeline interface (10) and the leakage connecting hole (9) are located on the same inclined plane, and if the leakage flow is increased, the self-moving piston (7) slides rightwards under the force, so that the leakage connecting hole (9) is communicated with the pipeline interface (10), and a reset assembly connected with the self-moving piston (7) is arranged in the leakage pipeline (2).
2. The real-time monitoring device for the drainage ecological flow of the hydraulic and hydroelectric engineering according to claim 1, wherein the real-time monitoring device is characterized in that: the reset assembly comprises a positioning ring (11) and a corrosion resistant spring (12), wherein the positioning ring (11) is fixedly arranged in the lower leakage pipeline (2), the corrosion resistant spring (12) is fixedly connected to the right side of the positioning ring (11), and the other end of the corrosion resistant spring (12) is fixedly connected to the self-moving piston (7).
3. The real-time monitoring device for the drainage ecological flow of the hydraulic and hydroelectric engineering according to claim 1, wherein the real-time monitoring device is characterized in that: the sealing ring (14) is arranged at the joint of the external controller (4) and the pipe fitting installation sleeve (1), the liquid crystal display (13) is arranged on the external controller (4), and the flow detector (3) and the water quality sensor (5) are electrically connected with the liquid crystal display (13).
4. The real-time monitoring device for the drainage ecological flow of the hydraulic and hydroelectric engineering according to claim 1, wherein the real-time monitoring device is characterized in that: the flow detector (3) comprises a barrel (15), a rotating shaft (17), a driving screw blade (18) and a rotating speed recorder (19), wherein the barrel (15) is fixedly installed in the pipe fitting installation sleeve (1), the rotating shaft (17) is rotatably installed in the barrel (15), the rotating shaft (17) is horizontally set, the driving screw blade (18) is fixedly installed on the rotating shaft (17), the rotating speed recorder (19) is fixedly installed on the right side of the barrel (15), and the rotating speed recorder (19) is connected with the driving screw blade (18).
5. The real-time monitoring device for the drainage ecological flow of the hydraulic and hydroelectric engineering according to claim 4, wherein the real-time monitoring device is characterized in that: a lubricating bearing (16) is mounted on the right inner wall of the barrel (15), and the right end of the rotating shaft (17) is rotatably connected in the lubricating bearing (16).
6. The real-time monitoring device for the drainage ecological flow of the hydraulic and hydroelectric engineering according to claim 2, wherein the real-time monitoring device is characterized in that: when the leakage connecting hole (9) is completely overlapped with the pipeline connector (10), the corrosion-resistant spring (12) reaches the maximum deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210421177.3A CN114923514B (en) | 2022-04-21 | 2022-04-21 | Water conservancy and hydropower engineering let-down ecological flow real-time monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210421177.3A CN114923514B (en) | 2022-04-21 | 2022-04-21 | Water conservancy and hydropower engineering let-down ecological flow real-time monitoring equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN114923514A CN114923514A (en) | 2022-08-19 |
| CN114923514B true CN114923514B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210421177.3A Active CN114923514B (en) | 2022-04-21 | 2022-04-21 | Water conservancy and hydropower engineering let-down ecological flow real-time monitoring equipment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117330140B (en) * | 2023-12-01 | 2024-03-08 | 山东省林业科学研究院 | Monitoring and measuring device for flow of wetland water channel |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1219064A (en) * | 1968-10-17 | 1971-01-13 | Bell Aerospace Corp | Fluid flow difference sensor and shutoff apparatus |
| US4372147A (en) * | 1981-03-17 | 1983-02-08 | Waugh Controls Corporation | Flow meter prover apparatus and method |
| EP1118863A2 (en) * | 2000-01-05 | 2001-07-25 | Müller, Friedrich | Device for testing and/or influencing fluid flow |
| US9635442B1 (en) * | 2016-03-21 | 2017-04-25 | Yek Hwa Hardware Co., Ltd. | Cloud-based water quality and leak monitoring system |
| CN207764204U (en) * | 2017-12-30 | 2018-08-24 | 安康越泽工程技术有限公司 | Ecological flow real-time watch device is let out under a kind of hydraulic and hydroelectric engineering |
| CN110878859A (en) * | 2019-11-13 | 2020-03-13 | 贵州省水利水电勘测设计研究院 | Combined automatic ecological flow valve and control method thereof |
| CN113031661A (en) * | 2021-03-05 | 2021-06-25 | 国网福建省电力有限公司石狮市供电公司 | Reservoir discharge monitoring device and method |
| CN113532573A (en) * | 2021-06-22 | 2021-10-22 | 皮玉红 | Real-time monitoring equipment for ecological flow discharged from water conservancy and hydropower engineering |
-
2022
- 2022-04-21 CN CN202210421177.3A patent/CN114923514B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1219064A (en) * | 1968-10-17 | 1971-01-13 | Bell Aerospace Corp | Fluid flow difference sensor and shutoff apparatus |
| US4372147A (en) * | 1981-03-17 | 1983-02-08 | Waugh Controls Corporation | Flow meter prover apparatus and method |
| EP1118863A2 (en) * | 2000-01-05 | 2001-07-25 | Müller, Friedrich | Device for testing and/or influencing fluid flow |
| US9635442B1 (en) * | 2016-03-21 | 2017-04-25 | Yek Hwa Hardware Co., Ltd. | Cloud-based water quality and leak monitoring system |
| CN207764204U (en) * | 2017-12-30 | 2018-08-24 | 安康越泽工程技术有限公司 | Ecological flow real-time watch device is let out under a kind of hydraulic and hydroelectric engineering |
| CN110878859A (en) * | 2019-11-13 | 2020-03-13 | 贵州省水利水电勘测设计研究院 | Combined automatic ecological flow valve and control method thereof |
| CN113031661A (en) * | 2021-03-05 | 2021-06-25 | 国网福建省电力有限公司石狮市供电公司 | Reservoir discharge monitoring device and method |
| CN113532573A (en) * | 2021-06-22 | 2021-10-22 | 皮玉红 | Real-time monitoring equipment for ecological flow discharged from water conservancy and hydropower engineering |
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| CN114923514A (en) | 2022-08-19 |
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