A control method for the upstream emergency response gate group of the accident section of the long-distance open water channel
An open channel and gate technology, which is applied in non-electric variable control, control/regulation systems, and simultaneous control of multiple variables to achieve the effects of reducing operating costs, efficient switching, and improving regulation efficiency
Active Publication Date: 2018-04-17
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology
The method described above overcomes the defects of the normal water level operation mode in front of the sluice, and reasonably regulates the storage volume change process during the emergency response of the channel, which is an important way to solve the difficult problem of emergency control of the channel
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Embodiment
[0024] This embodiment is a method for controlling the emergency response gate group upstream of the accident section of a long-distance open water delivery channel. The system used in the method includes: an artesian water delivery open channel with a water level feedback control system. The water open channel is divided into a plurality of series-connected channel pools 2 by a plurality of control gates 1, and a water diversion port 3 is provided in the channel pool, such as figure 1 As shown, where Yu is the water level in front of the sluice, and Yd is the water level behind the sluice.
[0025] The water level feedback control system is a system composed of a computer, a communication network, sensors and software, and is used to automatically control the water delivery process of the channel when the channel is delivering water normally.
[0026] The electronic control devices and sensors used in the water level feedback control system include: the gate opening and closi...
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The invention relates to an emergency response sluice group control method for an accident section upstream of a long-distance water delivery open channel. The method includes the steps that equal-volume operational feasibility is evaluated; the equal-volume operation channel section range is determined; check sluices are closed synchronously; the flow regulation and control target values of inflow sluices are calculated; the storage volume regulation and control target value is calculated; the call-back moment is calculated; the inflow sluice flow is called back; and the water level before the sluices is monitored and corrected. According to the method, the equal-volume operational feasibility of all channel pools of the accident section upstream during emergency regulation and control is evaluated; the equal-volume operational mode is introduced in parts of channel pools, the sluice group regulation and control method with the equal volume and constant water level operation mode before the sluices being in series-connection operation of the same channel is implemented, and thus the channel can be switched safely and efficiently from the normal water delivery state to the emergency water delivery state. By the adoption of the method, repeated filling and emptying of the storage volume in the emergency transition process are avoided, regulation and control efficiency is improved, and operation cost is reduced.
Description
technical field [0001] The invention relates to a method for controlling an emergency response gate group upstream of an accident section of a long-distance open channel for water delivery, which is an automatic control method for hydraulic facilities and an automatic control method for water flow suitable for long-distance open channel water delivery projects. Background technique [0002] The long-distance open channel water transmission project is a series system composed of a series of control gates connected in series with open channels, and the failure of any building (or facility) will lead to the failure of the system. Due to the long distance of water delivery, complex geological conditions along the project, and large differences in geographical environment and meteorological conditions, channel emergency response events caused by natural disasters, traffic accidents or other emergencies are inevitable. The upstream section of the accident needs to cut off the water...
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IPC IPC(8): E02B1/00E02B7/26G05D27/02
CPCE02B1/00E02B7/26G05D27/02
Inventor 崔巍穆祥鹏陈文学陈兴茹许凤冉万毅姚雄高青峰黄会勇杨星
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES