Intelligent water drainage and flood discharge device for hydropower station

Abstract

The utility model relates to the field of hydropower stations, and discloses a hydropower station intelligent water drainage and flood discharge device which comprises two gate piers, discharge gates are fixedly installed on the faces, close to each other, of the two gate piers, flashboards are arranged in the discharge gates, and opening and closing mechanisms connected with the flashboards are arranged on the top faces of the discharge gates. An arc-shaped plate is fixedly mounted on one side of the gate pier, an operator firstly moves the liquid level sensor to a proper position in the arc-shaped plate by adjusting the L-shaped mounting plate and cooperatively observing the graduated scale, and after adjustment is completed, the operator tightens the locking bolt, so that the L-shaped mounting plate is limited and fixed, and the stability of the L-shaped mounting plate is improved. Therefore, the liquid level sensor not only can ensure that the water level is accurately monitored, but also can ensure the convenience in the mounting and dismounting process, time and labor are saved, in addition, the flow slowing guide plate is arranged, the flow slowing effect can be further achieved, water flow impact is reduced, and misjudgment is avoided.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of hydropower stations, specifically to a hydropower station intelligent water release and flood discharge device. BACKGROUND

[0002] Hydropower station intelligent water release and flood discharge is to use advanced automatic control technology and information technology to intelligently control the water release and flood discharge capacity of the hydropower station by real-time monitoring of river flow, water level, weather forecast and other data, combined with the operation state of the hydropower station and the water storage condition of the reservoir. The flood discharge system can quickly adjust the water release capacity under extreme weather conditions such as heavy rain and flood to prevent the danger of high reservoir water level and protect the downstream area from flood damage.

[0003] The utility model discloses a kind of hydropower station ecological water release gate group intelligent opening and closing devices, specifically related to gate opening and closing technical field, including riverway and multiple mounting frames, and multiple mounting frames are fixedly installed on riverway, the inside of multiple mounting frames is movably provided with gate main body, the top of multiple mounting frames is fixedly connected with fixed frame, the top of multiple gate main bodies is equipped with connecting assembly, multiple connecting assemblies are all included two steel wires and two sleeves, multiple fixed frames are all equipped with rotating assembly, the utility model is driven rotating shaft rotation by motor work, to drive two sleeves rotation, so that two steel wires are wound on two sleeves respectively, to further pull gate main body and move upwards, when motor fails, positive rotation handle is driven rotating shaft positive rotation, to further can drive gate main body and move upwards, facilitate manual opening gate, and use effect is good.

[0004] However, in actual use, it is found that: the device drives air bag and detection plate to move upwards by water, so that the inductor senses and transmits electrical signal to the processor, the processor controls the motor to work, and then opens the gate to release water, realizes the intelligent opening and closing of the gate;

[0005] However, the device has the following problems: the inductor is fixedly installed in the storage frame, and the storage frame is installed in the riverway. Since the storage frame is a whole structure, it is difficult for personnel to conveniently replace and maintain the inductor when it is damaged after long-term use. In addition, since the water blocked by the gate is large, the water flow will float, and when the water flow impacts the air bag, it will drive the detection plate to move upwards, causing the inductor to be triggered, thus causing the system to misjudge, and the normal water level in the hydropower station is misjudged as an excessively high water level. Therefore, a hydropower station intelligent water release and flood discharge device is provided. UTILITY MODEL CONTENTS

[0006] The purpose of the present application is to solve the above-mentioned problems and provide a hydropower station intelligent water release and flood discharge device.

[0007] The technical scheme adopted by the present application is as follows: the water power station intelligent water release and flood discharge device comprises two gate piers, one side of each of the two gate piers close to each other is fixedly provided with a discharge gate, the discharge gate is internally provided with a gate plate, the top surface of the discharge gate is provided with an opening and closing mechanism connected with the gate plate, one side of the gate pier is fixedly provided with an arc-shaped plate, a plurality of water permeable holes are arranged at equal intervals on the side of the arc-shaped plate, two limiting support rods are symmetrically fixedly installed on the inner side wall of the arc-shaped plate, and U-shaped holes are formed at the ends of the two limiting support rods close to each other, an L-shaped mounting plate is inserted into the U-shaped hole, a locking bolt is threadedly connected to one side of the U-shaped hole, one end of the locking bolt abuts against one side of the L-shaped mounting plate, a liquid level sensor is fixedly installed on the top surface of the L-shaped mounting plate, and a plurality of flow slowing guide plates are symmetrically fixedly installed at equal intervals on the inner side wall of the arc-shaped plate.

[0008] In a preferred embodiment, the opening and closing mechanism comprises an opening and closing machine, a connecting screw rod and a connecting plate, two opening and closing machines are fixedly installed on the top surface of the discharge gate, the connecting screw rod is threadedly connected to the inside of the two opening and closing machines, the connecting plate is fixedly installed on the top surface of the gate plate, the bearing seat is fixedly installed on the top surface of the connecting plate, and the bottom end of the connecting screw rod is fixedly installed in the middle of the bearing seat.

[0009] In a preferred embodiment, a support rod is fixedly installed on the back side of the discharge gate, and a liquid level meter is fixedly installed on the top surface of the support rod.

[0010] In a preferred embodiment, a scale is fixedly installed on one side of the L-shaped mounting plate.

[0011] In a preferred embodiment, a limiting plate is fixedly installed at the top end of the connecting screw rod, and a hexagonal connecting block is fixedly installed on the top surface of the limiting plate.

[0012] In a preferred embodiment, a plurality of protrusions are fixedly installed on the front side of the gate plate.

[0013] In summary, due to the adoption of the above technical scheme, the present application has the following advantages:

[0014] 1、In the application, since the above scheme is adopted, the operator first moves the liquid level sensor to a suitable position inside the arc-shaped plate by adjusting the L-shaped mounting plate and observing the scale, and then tightens the locking bolt after adjustment, thereby limiting and fixing the L-shaped mounting plate, improving its stability. In this way, the liquid level sensor not only ensures accurate monitoring of the water level, but also ensures the convenience of the installation and disassembly process, saving time and manpower. The design of the arc-shaped plate allows the water in the hydropower station to smoothly enter the inside of the arc-shaped plate through the water permeable hole, effectively preventing the water permeable hole from being blocked by impurities in the water, ensuring smooth water flow. At this time, the slow-flow guide plate can further play a slow-flow role, reducing water flow impact, making the installation and disassembly process more convenient, further saving time and manpower. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the application;

[0016] Figure 2 is a schematic diagram of the arc-shaped plate of the application without installation structure;

[0017] Figure 3 is a schematic diagram of the L-shaped mounting plate structure of the application;

[0018] Figure 4 is a schematic diagram of the hexagonal connecting block structure of the application.

[0019] Marked in the figure: 1, pier; 2, discharge gate; 3, gate; 4, opening and closing mechanism; 5, arc-shaped plate; 6, water permeable hole; 7, limiting support rod; 8, U-shaped hole; 9, L-shaped mounting plate; 10, locking bolt; 11, liquid level sensor; 12, slow-flow guide plate; 13, hoist; 14, connecting screw; 15, connecting plate; 16, support rod; 17, liquid level meter; 18, scale; 19, limiting plate; 20, hexagonal connecting block; 21, protruding block. DETAILED DESCRIPTION

[0020] To make the purpose, technical scheme and advantages of the embodiments of the application clearer, the technical scheme in the embodiments of the application will be described clearly and completely below in conjunction with the embodiments of the application. Obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0021] REFERENCE Figure 1 , Figure 2 and Figure 3Intelligent water release and flood discharge device of hydropower station, comprising two gate piers 1, the side of the two gate piers 1 close to each other is fixedly provided with a discharge gate 2, the inside of the discharge gate 2 is provided with a gate plate 3, the front side of the gate plate 3 is fixedly provided with a plurality of protrusions 21, and the top surface of the discharge gate 2 is provided with an opening and closing mechanism 4 connected with the gate plate 3; the opening and closing mechanism 4 is arranged, so as to drive the gate plate 3 to be adjusted up and down, thereby facilitating the subsequent discharge of the water storage in the hydropower station, and meanwhile, the plurality of protrusions 21 are arranged, so as to effectively increase the overall strength of the gate plate 3.

[0022] Reference Figure 1 The opening and closing mechanism 4 comprises an opening and closing machine 13, a connecting screw rod 14 and a connecting plate 15, the top surface of the discharge gate 2 is fixedly provided with two opening and closing machines 13, the inside of the two opening and closing machines 13 is threadedly connected with the connecting screw rod 14, the top surface of the gate plate 3 is fixedly provided with the connecting plate 15, the top surface of the connecting plate 15 is fixedly provided with a bearing seat, and the bottom end of the connecting screw rod 14 is fixedly installed in the middle part of the bearing seat; the opening and closing machine 13 is arranged, so as to drive the connecting screw rod 14 to rotate, so as to drive the connecting screw rod 14 to drive the connecting plate 15 and the gate plate 3 to move upward and be opened, so that the water in the hydropower station can be discharged, so as to be used for irrigation or power generation in the downstream, the opening and closing machine 13 is electrically connected with a control unit of the hydropower station, so as to be convenient for subsequent control of automatic starting and intelligent control.

[0023] Reference Figure 1 , Figure 2 and Figure 3 One side of the gate pier 1 is fixedly provided with an arc-shaped plate 5, and a plurality of water permeable holes 6 are arranged at equal intervals on the side of the arc-shaped plate 5; the plurality of water permeable holes 6 are arranged, so as to facilitate the water storage in the hydropower station to enter the inside of the arc-shaped plate 5, so as to be convenient for subsequent monitoring of the water level of the water storage in the hydropower station, the side of the arc-shaped plate 5 is in an arc-shaped structure, and the overall design makes the impurities in the water not gather on one side of the arc-shaped plate 5, so as to avoid the impurities from blocking the water permeable holes 6 as much as possible, and only the top of the arc-shaped plate 5 is in an open structure.

[0024] Reference Figure 1 , Figure 2 and Figure 3 The inside wall of the arc-shaped plate 5 is fixedly provided with two limiting support rods 7 in a symmetrical manner, one end of the two limiting support rods 7 close to each other is provided with a U-shaped hole 8, the inside of the U-shaped hole 8 is inserted with an L-shaped mounting plate 9, one side of the U-shaped hole 8 is threadedly connected with a locking bolt 10, and one end of the locking bolt 10 abuts against one side of the L-shaped mounting plate 9; the U-shaped hole 8 is arranged, so as to facilitate the L-shaped mounting plate 9 to be inserted in the inside and be fixed by the locking bolt 10, and the convenience of mounting and dismounting of the L-shaped mounting plate 9 is improved.

[0025] Reference Figure 1 , Figure 2 and Figure 3The top surface of the L-shaped mounting plate 9 is fixedly installed with a liquid level sensor 11, one side of the L-shaped mounting plate 9 is fixedly installed with a scale 18, and the inner side wall of the arc-shaped plate 5 is fixedly installed with a plurality of slow-flow guide plates 12 at equal intervals; the scale 18 is arranged to facilitate personnel to install the liquid level sensor 11 at an appropriate height, improve the convenience of installation, and the bottom surface of the slow-flow guide plate 12 is installed with a wave-shaped small protrusion, which makes the water flow slowly under the action of the slow-flow guide plate 12 when entering the inside of the arc-shaped plate 5, so that the horizontally slowly rising water does not produce large fluctuations, and the liquid level sensor 11 is also electrically connected with the hydropower station control unit, so as to facilitate the feedback of the monitored signal to the control unit, and the model of the liquid level sensor 11 can be LSM220-200.

[0026] Reference Figure 1 The rear side of the discharge gate 2 is fixedly installed with a support rod 16, and the top surface of the support rod 16 is fixedly installed with a liquid level meter 17; the support rod 16 is arranged to facilitate the installation and fixation of the liquid level meter 17, the liquid level meter 17 is an ultrasonic liquid level meter, and is installed downstream, the ultrasonic liquid level meter is based on the emission and reception of ultrasonic waves, which emits ultrasonic pulses, the pulses are reflected back when encountering the liquid surface, the liquid level meter receives the reflected waves and calculates the time interval from emission to reception, thereby determining the distance from the liquid surface to the liquid level meter, and this distance multiplied by the speed of sound (about 343 m / s in air, but different in liquid) can obtain the height of the liquid level, the liquid level meter 17 can be electrically connected with the hydropower station control unit, and when the downstream water level is low, the liquid level meter 17 can feed back the signal to the control unit, so that the control unit controls the start of the opening and closing mechanism 4, facilitating intelligent control of the discharge of the hydropower station, the control unit can be a PLC controller or a single chip, etc., and the model of the liquid level meter 17 has a plurality of specific types which can be selected according to actual needs, and the application provides a liquid level meter model SABER SLG5000.

[0027] Reference Figure 1 , Figure 3 and Figure 4 The top end of the connecting screw 14 is fixedly installed with a limiting plate 19, and the top surface of the limiting plate 19 is fixedly installed with a hexagonal connecting block 20; the limiting plate 19 and the hexagonal connecting block 20 are arranged to facilitate personnel to manually rotate the connecting screw 14 to open the gate plate 3 for discharge operation when the hoist 13 fails, and the hand wheel with an internal hexagonal hole is connected with the hexagonal connecting block 20.

[0028] The implementation principle of the embodiment of the intelligent water release and flood discharge device of the hydropower station is as follows: first, the operator installs the liquid level sensor 11 on the L-shaped mounting plate 9, then inserts the L-shaped mounting plate 9 into the inside of the U-shaped hole 8, at this time, the operator can move the liquid level sensor 11 to the appropriate position inside the arc-shaped plate 5 by adjusting the L-shaped mounting plate 9 and observing the scale 18, after adjustment, the operator tightens the locking bolt 10 to limit and fix the L-shaped mounting plate 9, thereby improving its stability, in this way, the liquid level sensor 11 can not only ensure accurate monitoring of the water level, but also ensure the convenience of the installation and disassembly process, saving time and manpower;

[0029] The liquid level sensor 11 can be part of the flood warning system, when the water in the hydropower station enters the inside of the arc-shaped plate 5 through the water-permeable hole 6 and contacts the liquid level sensor 11, the liquid level sensor 11 will feed back a signal to the hydropower station control system, after the control system receives the signal, it will make a judgment and control the opening and closing machine 13 in the opening and closing mechanism 4 to start, so that the gate 3 is opened, allowing the water in the hydropower station to be quickly discharged, realizing flood discharge, this design makes the device structure simple and convenient to operate;

[0030] The design of the arc-shaped plate 5 allows the water in the hydropower station to smoothly enter the inside of the arc-shaped plate 5 through the water-permeable hole 6, at this time, the slow-flow guide plate 12 set can play a slow-flow role, the side of the arc-shaped plate 5 is designed as an arc structure, which can effectively prevent the water from being blocked by the water-permeable hole 6, ensuring the smoothness of the water flow, the setting of the L-shaped mounting plate 9 facilitates the adjustment of the height of the liquid level sensor 11, making the installation and disassembly process more convenient, saving time and manpower;

[0031] In addition, when the device is normally draining, the downstream water level can be monitored by the liquid level meter 17, when the water level reaches the set value, the hydropower station will automatically discharge, so as to facilitate the automatic management of discharge and flood discharge, improve the operation efficiency and safety of the hydropower station.

[0032] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An intelligent water release and flood discharge device for a hydropower station, comprising two gate piers (1), characterized in that: Two said pier (1) close to each other side are fixedly installed with discharge gate (2), the inside of discharge gate (2) is provided with gate (3), the top surface of discharge gate (2) is provided with the opening and closing mechanism (4) connected with gate (3), one side of the pier (1) is fixedly installed with arc plate (5), the side of arc plate (5) is provided with a plurality of water holes (6) with equal interval array, the inner side wall of arc plate (5) is fixedly installed with two limit support rods (7) symmetrically, and the end of two limit support rods (7) close to each other is provided with U-shaped hole (8), the inside of U-shaped hole (8) is inserted with L-shaped mounting plate (9), one side of U-shaped hole (8) is screwed with locking bolt (10), one end of locking bolt (10) is in abutment with one side of L-shaped mounting plate (9), the top surface of L-shaped mounting plate (9) is fixedly installed with liquid level sensor (11), the inner side wall of arc plate (5) is fixedly installed with a plurality of slow flow guide plates (12) with equal interval and symmetry.

2. The intelligent water release and flood discharge device of the hydropower station according to claim 1, characterized in that: The opening and closing mechanism (4) includes opening and closing machine (13), connecting screw rod (14) and connecting plate (15), the top surface of discharge gate (2) is fixedly installed with two opening and closing machines (13), and the inside of two opening and closing machines (13) is screwed with connecting screw rod (14), the top surface of gate (3) is fixedly installed with connecting plate (15), the top surface of connecting plate (15) is fixedly installed with bearing seat, the bottom end of connecting screw rod (14) is fixedly installed in the middle part of bearing seat.

3. The intelligent water release and flood discharge device of the hydropower station according to claim 1, characterized in that: The rear side of discharge gate (2) is fixedly installed with support rod (16), the top surface of support rod (16) is fixedly installed with liquid level meter (17).

4. The intelligent water release and flood discharge device of the hydropower station according to claim 1, characterized in that: One side of L-shaped mounting plate (9) is fixedly installed with scale (18).

5. The intelligent water release and flood discharge device of the hydropower station according to claim 2, characterized in that: The top end of connecting screw rod (14) is fixedly installed with limit plate (19), the top surface of limit plate (19) is fixedly installed with hexagonal connecting block (20).

6. The intelligent water release and flood discharge device of the hydropower station according to claim 1, characterized in that: The front side of gate (3) is fixedly installed with a plurality of protruding blocks (21).

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