Hydropower station intelligent control system

By designing an intelligent control system in a hydropower station and using regulation gates and sensors to optimize the allocation of water volume, the problem of the inability to coordinate the regulation gates in the existing technology is solved, and the operation safety and management level of the hydropower station are improved.

CN222276831UActive Publication Date: 2024-12-31HENAN ZHENGDA WATER CONSERVANCY TECH CO LTD
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Patent Information

Application Number
CN202421729835.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2024-12-31
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The existing hydropower station control gates cannot be jointly dispatched and controlled, resulting in the inability to effectively close or open in special shutdowns, resulting in the inability to effectively utilize water resources and affecting the overall operation safety.

Method used

Design an intelligent control system for hydropower stations. By setting the first and second control gates in the front pressure pool and water diversion channel, equipped with a starter, water level sensor and output acquisition device, the intelligent control system collects data in real time to control the opening of the gate. and gate opening to achieve optimal allocation and adjustment of water volume.

Benefits of technology

It realizes reasonable water allocation for hydropower stations when operating failures, improves overall operation and management level, ensures operation safety, and avoids the occurrence of safety accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an intelligent control system for a hydropower station, the hydropower station comprises a water diversion channel, a pressure forebay, a pressure pipeline, a water-turbine generator set and a plant, the pressure forebay is provided with a first regulation gate, the water diversion channel is provided with a second regulation gate, and the first regulation gate and the second regulation gate are provided with hoists. Water level sensors are arranged in the pressure forebay and the water diversion channel, the water-turbine generator set is provided with an output collecting device and an output adjusting device, the intelligent control system is connected with the output collecting device, the output adjusting device, the water level sensors and the hoist, and intelligent regulation and control management of the hydropower station system is achieved.
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Description

Technical Field

[0001] The utility model relates to the field of hydropower station engineering, in particular to an intelligent control system for a hydropower station. Background Art

[0002] A hydropower station is a structure that uses the energy of water to generate electricity. It converts water flow energy into energy using a hydro-turbine generator set, thereby generating electricity. For a hydropower station, it is necessary to judge the flow rate and water conditions. In order to ensure the safe operation of the hydropower station, corresponding control gates must be set up to work in conjunction with the hydropower station's power generation.

[0003] Most of the existing hydropower stations and regulating gates work independently and fail to achieve joint scheduling and control. Especially when a hydropower station encounters a special shutdown situation, since the hydropower station cannot achieve joint optimized scheduling, the gates cannot be effectively closed or opened, resulting in the ineffective use of water resources and even affecting the overall operational safety of the hydropower station. Summary of the invention

[0004] The utility model aims at solving the problems of the prior art and provides an intelligent control system for a hydropower station to realize intelligent regulation of the hydropower station.

[0005] The utility model provides an intelligent control system for a hydropower station, the hydropower station comprises a water diversion channel, a pressure forebay, a pressure pipeline, a hydro-generator set and a powerhouse, the hydro-generator set is located in the powerhouse and is connected to the pressure forebay through a pressure pipeline, and is characterized in that: no overflow weir is arranged on the pressure forebay, only a first regulating gate is arranged, a second regulating gate is arranged on the side wall of the water diversion channel, the first regulating gate and the second regulating gate are both provided with a hoist, the hoist can control the first regulating gate and the second regulating gate to be opened or closed, the hoist can adjust the gate opening of the first regulating gate and the second regulating gate, so as to realize the regulation of the gate discharge flow, the hydro-generator set is provided with an output collection device and an output adjustment device, the output collection device and the output adjustment device are provided with a power collection device and a power adjustment device, and the power ... The collecting device is used to obtain the output value of the hydro-generator set, the pressure forepool is provided with a first water level sensor located at the first regulating gate, the first water level sensor is used to obtain the water level value of the pressure forepool at the first regulating gate, the water diversion channel is provided with a second water level sensor located at the second regulating gate, the second water level sensor is used to obtain the water level value of the water diversion channel at the second regulating gate, the intelligent control system is respectively connected to the output collecting device, the output regulating device, the first water level sensor and the second water level sensor, the intelligent control system is also connected to the hoist of the first regulating gate and the hoist of the second regulating gate, and is used to control the opening or closing of the first regulating gate and the second regulating gate and the gate opening adjustment of the first regulating gate and the second regulating gate.

[0006] Preferably, the output regulating device is a speed governor, which is connected to the guide vane mechanism of the hydro-generator set and is used to regulate the opening of the guide vane mechanism and then regulate the output of the hydro-generator set.

[0007] Preferably, the intelligent control system includes a single chip microcomputer, and the single chip microcomputer is connected to the hoist of the first regulating gate and the hoist of the second regulating gate via a wireless device.

[0008] Preferably, the single chip microcomputer is connected to the output acquisition device, the output regulation device, the first water level sensor and the second water level sensor in a wired manner.

[0009] The working principle of the utility model is as follows:

[0010] For the structure of the hydropower station, a first regulating gate is arranged in the pressure fore pool, a second regulating gate is arranged in the water diversion channel, and both the first regulating gate and the second regulating gate are provided with hoists, and the hoists are used to control the first regulating gate and the second regulating gate, so as to achieve optimal distribution of water. Especially when an operational failure occurs in the hydropower station, reasonable distribution of water is achieved through the joint control of the first regulating gate and the second regulating gate, so as to avoid safety accidents.

[0011] Water level sensors are installed in the pressure forebay and the water diversion channel, and the turbine generator sets are provided with output collection devices and output regulation devices. The intelligent control system is respectively connected to the output collection device, the output regulation device, the water level sensor and the gate hoist. By collecting real-time data, intelligent control is realized to improve the overall operation and management level of the hydropower station.

[0012] The advantages of the utility model are:

[0013] The utility model provides an intelligent control system for a hydropower station. The hydropower station comprises a water diversion channel, a pressure forebay, a pressure pipeline, a hydro-turbine generator set and a powerhouse. The pressure forebay is provided with a first regulating gate, the water diversion channel is provided with a second regulating gate, the first regulating gate and the second regulating gate are provided with hoists, water level sensors are provided in the pressure forebay and the water diversion channel, an output collection device and an output regulation device are provided in the hydro-turbine generator set, and the intelligent control system is respectively connected with the output collection device, the output regulation device, the water level sensor and the hoist, so as to realize intelligent regulation and management of the hydropower station system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model; Figure 2 This is a connection diagram of the intelligent control system. DETAILED DESCRIPTION

[0015] The following is a detailed explanation of the contents defined in the present utility model.

[0016] The utility model provides an intelligent control system for a hydropower station, the hydropower station comprises a water diversion channel 1, a pressure forebay 2, a pressure pipeline 3, a hydro-generator set 4 and a powerhouse 5, the hydro-generator set 4 is located in the powerhouse 5, and is connected to the pressure forebay 2 through the pressure pipeline 3, and is characterized in that: the pressure forebay 2 is not provided with an overflow weir, and only a first regulating gate 6 is provided, the side wall of the water diversion channel 1 is provided with a second regulating gate 7, the first regulating gate 6 and the second regulating gate 7 are both provided with a hoist 15, the hoist 15 can control the first regulating gate 6 and the second regulating gate 7 to be opened or closed, the hoist 15 can adjust the gate opening of the first regulating gate 6 and the second regulating gate 7, so as to realize the regulation of the gate discharge flow, the hydro-generator set 4 is provided with an output collection device 11 and an output adjustment device 12, the output collection device 11 is provided with a second regulating gate 7, and the second regulating gate 7 is provided with a second regulating gate 7. 1 is used to obtain the output value of the hydro-generator set 4, the pressure forepool 2 is provided with a first water level sensor 13 at the first regulating gate 6, and the first water level sensor 13 is used to obtain the water level value of the pressure forepool 2 at the first regulating gate 6, the water diversion channel 1 is provided with a second water level sensor 14 at the second regulating gate 7, and the second water level sensor 14 is used to obtain the water level value of the water diversion channel 1 at the second regulating gate 7, the intelligent control system is respectively connected with the output acquisition device 11, the output adjustment device 12, the first water level sensor 13 and the second water level sensor 14, and the intelligent control system is also connected with the hoist 15 of the first regulating gate 6 and the hoist 15 of the second regulating gate 7, and is used to control the opening or closing of the first regulating gate 6 and the second regulating gate 7 and the gate opening adjustment of the first regulating gate 6 and the second regulating gate 7.

[0017] Preferably, the output regulating device 12 is a speed governor, which is connected to the guide vane mechanism of the hydro-generator set 4 and is used to adjust the opening of the guide vane mechanism and then adjust the output of the hydro-generator set 4.

[0018] Preferably, the intelligent control system includes a single chip microcomputer, and the single chip microcomputer is connected to the hoist 15 of the first regulating gate 6 and the hoist 15 of the second regulating gate 7 via a wireless device.

[0019] Preferably, the single chip microcomputer is connected to the output acquisition device 11, the output adjustment device 12, the first water level sensor 13 and the second water level sensor 14 in a wired manner.

[0020] The single chip microcomputer also supports remote functions. The single chip microcomputer can be remotely connected to an intelligent terminal, and the intelligent terminal can be used to view relevant data and send instructions.

[0021] The above-mentioned embodiments are only preferred embodiments of the present invention. The protection scope of the present invention should not be regarded as limited to the specific forms described in the embodiments. The protection scope of the present invention also includes equivalent technical means that can be thought of by those skilled in the art based on the concept of the present invention.

Claims

1. An intelligent control system for a hydropower station, the hydropower station comprises a water diversion channel, a pressure forebay, a pressure pipeline, a turbine generator set and a powerhouse, the turbine generator set is located in the powerhouse and connected to the pressure forebay through a pressure pipeline, characterized in that: The pressure fore pool is not provided with an overflow weir, but only with a first regulating gate. The side wall of the water diversion channel is provided with a second regulating gate. The first regulating gate and the second regulating gate are both provided with a gate hoist. The gate hoist can control the opening or closing of the first regulating gate and the second regulating gate. The gate hoist can adjust the gate opening of the first regulating gate and the second regulating gate, so as to adjust the gate discharge flow. The hydro-generator set is provided with an output collection device and an output adjustment device. The output collection device is used to obtain the output value of the hydro-generator set. The pressure fore pool is provided with a first water level sensor located at the first regulating gate. The first water level sensor is used to obtain the water level value of the pressure forepool at the first regulating gate. The water diversion channel is provided with a second water level sensor at the second regulating gate. The second water level sensor is used to obtain the water level value of the water diversion channel at the second regulating gate. The intelligent control system is respectively connected to the output acquisition device, the output adjustment device, the first water level sensor and the second water level sensor. The intelligent control system is also connected to the hoist of the first regulating gate and the hoist of the second regulating gate, and is used to control the opening or closing of the first regulating gate and the second regulating gate and the gate opening adjustment of the first regulating gate and the second regulating gate.

2. The intelligent control system for a hydropower station according to claim 1, characterized in that: The output regulating device is a speed regulator, which is connected to the guide vane mechanism of the hydro-generator set and is used to regulate the opening of the guide vane mechanism and then regulate the output of the hydro-generator set.

3. The intelligent control system for a hydropower station according to claim 1, characterized in that: The intelligent control system includes a single chip microcomputer, and the single chip microcomputer is connected to the hoist of the first regulating gate and the hoist of the second regulating gate via a wireless device.

4. The intelligent control system for a hydropower station as claimed in claim 3, characterized in that: The single chip microcomputer is connected to the output acquisition device, the output adjustment device, the first water level sensor and the second water level sensor in a wired manner.