Hydropower station vortex tube with adjustable water pressure

By designing a combined structure of pressure reducing valve, sealing piston and transmission rack in the vortex of hydropower stations, adjustable control of water pressure is achieved, and the problems of pressure reducing operation occupying space and increasing noise in the prior art are solved.

CN222686799UActive Publication Date: 2025-03-28WENSHAN XIAOZHAI HYDROPOWER DEV CO LTD
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Patent Information

Application Number
CN202421480433.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-03-28
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The existing hydraulic adjustable hydropower plant vortex pipes take up internal space and increase noise during decompression operation.

Method used

A water-pressure adjustable hydropower station vortex pipe is designed, and a combined structure of pressure reducing valve, sealing piston, transmission rack and sealing beads is used to realize water pressure regulation through pressure relief pipelines. The pressure reducing device is located on the outer wall of the vortex pipe to avoid occupying the internal space and reduce noise.

Benefits of technology

Adjustable control of water pressure is realized, avoiding the occupation of the internal space of the vortex tube and reducing noise during water flow movement.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222686799U_ABST
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Abstract

The utility model relates to the technical field of vortex tubes, and discloses a water pressure adjustable hydropower station vortex tube which comprises a vortex tube body, a pressure relief pipeline capable of conveying water and a pressure reducing valve are connected to the outer wall of the vortex tube body in a sealed mode, the input end of the pressure reducing valve is connected to the outer wall of the vortex tube body in a sealed mode, and the pressure reducing valve is located on the left side of the pressure relief pipeline. Water liquid in the vortex tube body enters through the input end of the pressure reducing valve and is discharged into the connecting box body through the output end of the pressure reducing valve after pressure reduction, when the water pressure is increased to the peak value, the pressure in the connecting box body is also increased, the sealing piston moves upwards, the elastic element is compressed, and the transmission rack starts to move upwards; when the vortex tube is in use, a transmission gear starts to drive a connecting rotating rod to rotate, a sealing bead starts to rotate, a water conveying groove formed in the sealing bead inclines downwards from the horizontal state, a part of water liquid in the vortex tube body can be discharged through the interior of a pressure relief pipeline, and pressure relief operation on the vortex tube body is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of vortex tubes, in particular to a vortex tube of a hydropower station with adjustable water pressure. Background Art

[0002] After searching the publication (announcement) number: CN207795449U, a water pressure adjustable hydropower station vortex tube is disclosed, which belongs to the field of hydropower generation equipment, including a shell, and a plurality of sensing components and actuator components are arranged outside the shell, and the sensing components and the actuator components are matched. The sensing component includes a fixed groove and a piston, and the fixed groove extends into the interior of the shell. A piston with a sealing arrangement and movable up and down is arranged in the fixed groove. A constant pressure chamber is formed between the piston and the top of the fixed groove. A lifting rod is arranged at the upper end of the piston, and the upper end of the lifting rod passes upward through the fixed groove. A limit switch is matched with the upper end of the lifting rod, and the limit switch is connected to an external control center. The actuator is a left-right symmetrical structure.

[0003] During use, the above-mentioned known technology realizes the pressure reduction operation by moving two sets of arc-shaped baffles away from each other to increase the water flow space inside the vortex tube. Firstly, the arc-shaped baffles are installed inside the vortex tube, which will occupy the usable space inside the vortex tube. In addition, the water flow will hit the arc-shaped baffles during movement, which will increase the noise when the vortex tube is working.

[0004] Therefore, we propose a water pressure adjustable vortex tube for a hydropower station. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a water pressure adjustable hydropower station vortex tube.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a water pressure adjustable hydropower station vortex tube, comprising a vortex tube body, a pressure relief pipe and a pressure reducing valve for water delivery are sealed and connected to the outer wall of the vortex tube body, the input end of the pressure reducing valve is sealed and connected to the outer wall of the vortex tube body, the pressure reducing valve is located on the left side of the pressure relief pipe, a connecting box is fixedly installed on the outer wall of the vortex tube body, the connecting box is located between the pressure reducing valve and the pressure relief pipe, the output end of the pressure reducing valve is sealed and connected to the left side wall of the connecting box through a water delivery pipe, a sealing piston that can move up and down is arranged inside the horizontal end of the connecting box, and the sealing piston is A transmission rack for transmission is fixedly installed on the upper wall surface, and the outer wall of the transmission rack movably penetrates the top wall surface inside the horizontal end of the connecting box body, and the sealing bead is rotated in a sealed manner inside the pressure relief pipe. A through water delivery trough is provided on the front outer wall of the sealing bead, and the left outer wall of the sealing bead is fixedly installed on the connecting rotating rod, and the outer wall of the connecting rotating rod is rotatably installed on the outer wall of the pressure relief pipe in a sealed manner. The outer wall of the connecting rotating rod movably penetrates the right wall surface of the vertical end of the connecting box body, and a transmission gear is fixedly installed on the outer wall of the connecting rotating rod, and the transmission gear and the transmission rack are meshed and connected together. A reset mechanism is arranged on the sealing piston, and the reset mechanism includes an elastic element.

[0007] Preferably, a horizontally arranged protective partition is fixedly installed inside the vertical end of the connecting box, the outer wall of the transmission rack movably passes through the upper and lower walls of the protective partition, and an elastic switch is provided on the top wall inside the vertical end of the connecting box.

[0008] Preferably, the elastic switch and the transmission rack correspond to each other, a warning light for warning is fixedly mounted on the top wall of the connection box, and the warning light and the elastic switch are electrically connected together.

[0009] Preferably, a water tank for storing water is fixedly mounted on the rear wall of the scroll body, and a pressure relief pipe is sealedly connected to the front wall of the water tank on one side end face of the scroll body.

[0010] Preferably, a water pump is fixedly mounted on the front wall of the water tank, an input end of the water pump is sealed and connected to the front wall of the water tank, and an output end of the water pump is sealed and connected to the outer wall of the vortex tube body.

[0011] Preferably, the elastic element is fixedly mounted between the upper side wall of the sealing piston and the adjacent wall inside the horizontal end of the connecting box, and the outer wall of the transmission rack moves through the interior of the elastic element.

[0012] Beneficial Effects

[0013] The utility model provides a water pressure adjustable hydropower station vortex tube, which has the following beneficial effects:

[0014] (1) A water pressure adjustable hydropower station vortex tube. During use, the water inside the vortex tube body enters through the input end of the pressure reducing valve, and after being reduced in pressure, is discharged into the interior of the connecting box through the output end of the pressure reducing valve. When the water pressure increases to a peak value, the pressure inside the connecting box also increases, the sealing piston moves upward, the elastic element is compressed, the transmission rack starts to move upward, the transmission gear starts to rotate with the connecting rotating rod, the sealing bead starts to rotate, and the water conveying trough opened thereon tilts downward from a horizontal state. A portion of the water inside the vortex tube body is discharged through the interior of the pressure relief pipe, thereby achieving a pressure reduction operation on the vortex tube body. The pressure reducing device is located on the outer wall of the vortex tube body, which will not increase the occupied space inside the vortex tube body, and will not increase the noise generated by the water flowing inside the vortex tube body.

[0015] (2) A water pressure adjustable hydropower station vortex tube. During use, when the transmission rack moves upward, the transmission rack will finally contact the elastic switch. At this time, the warning light starts to light up to remind the staff that the pressure is abnormal. In addition, the pressure relief pipe will discharge the water into the water tank for storage. If the pressure inside the vortex tube body is less than a certain value, the water pump can be turned on. The input end of the water pump will pump out the water inside the water tank and discharge it into the vortex tube body 1 through the output end of the water pump, thereby ensuring that the pressure inside the vortex tube body 1 is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of the utility model as a whole;

[0017] Figure 2 It is a three-dimensional diagram of the scroll body of the utility model;

[0018] Figure 3 for Figure 2 A magnified view of location A.

[0019] Legend: 1. Scroll body; 2. Pressure reducing valve; 3. Connecting box; 4. Sealing piston; 5. Elastic element; 6. Transmission rack; 7. Sealing bead; 8. Connecting rotating rod; 9. Transmission gear; 10. Protective baffle; 11. Elastic switch; 12. Warning light; 13. Pressure relief pipe; 14. Water storage tank; 15. Water pump. DETAILED DESCRIPTION

[0020] Embodiment 1: A water pressure adjustable hydropower station vortex tube, such as Figure 1 , Figure 2 and Figure 3As shown, it includes a scroll body 1, a pressure relief pipe 13 and a pressure reducing valve 2 for water delivery are sealed and connected to the outer wall of the scroll body 1, the input end of the pressure reducing valve 2 is sealed and connected to the outer wall of the scroll body 1, the pressure reducing valve 2 is located on the left side of the pressure relief pipe 13, a connecting box 3 is fixedly installed on the outer wall of the scroll body 1, the connecting box 3 is located between the pressure reducing valve 2 and the pressure relief pipe 13, the output end of the pressure reducing valve 2 is sealed and connected to the left side wall of the connecting box 3 through a water delivery pipe, a sealing piston 4 that can move up and down is arranged inside the horizontal end of the connecting box 3, and a transmission gear that can be transmitted is fixedly installed on the upper side wall of the sealing piston 4 The outer wall of the transmission rack 6 is movable and penetrates the top wall surface of the horizontal end of the connecting box body 3. The sealing bead 7 is rotated in a sealed manner inside the pressure relief pipe 13. A through water delivery trough is provided on the front outer wall of the sealing bead 7. The left outer wall of the sealing bead 7 is fixedly mounted on the connecting rotating rod 8. The outer wall of the connecting rotating rod 8 is rotatably mounted on the outer wall of the pressure relief pipe 13 in a sealed manner. The outer wall of the connecting rotating rod 8 is movable and penetrates the right wall surface of the vertical end of the connecting box body 3. A transmission gear 9 is fixedly mounted on the outer wall of the connecting rotating rod 8. The transmission gear 9 and the transmission rack 6 are meshed and connected together. A reset mechanism is arranged on the sealing piston 4, and the reset mechanism includes an elastic element 5.

[0021] During use of the utility model, water inside the vortex tube body 1 will enter through the input end of the pressure reducing valve 2, and after being reduced in pressure, will be discharged into the interior of the connecting box body 3 through the output end of the pressure reducing valve 2. When the water pressure increases to a peak value, the pressure inside the connecting box body 3 will also increase, the sealing piston 4 will move upward, the elastic element 5 will be compressed, the transmission rack 6 will start to move upward, the transmission gear 9 will start to rotate with the connecting rotating rod 8, the sealing bead 7 will start to rotate, and the water conveying trough opened thereon will tilt downward from a horizontal state, and a part of the water inside the vortex tube body 1 will be discharged through the interior of the pressure relief pipe 13, thereby realizing the pressure reduction operation of the vortex tube body 1. The pressure reducing device is located on the outer wall of the vortex tube body 1, and will not increase the occupied space inside the vortex tube body 1.

[0022] Embodiment 2: Based on Embodiment 1, Figure 2 and Figure 3 As shown, a protective partition 10 arranged in a horizontal state is fixedly installed inside the vertical end of the connecting box body 3, the outer wall of the transmission rack 6 movably passes through the upper and lower walls of the protective partition 10, and an elastic switch 11 is arranged on the top wall inside the vertical end of the connecting box body 3.

[0023] The elastic switch 11 and the transmission rack 6 correspond to each other, and a warning light 12 for warning is fixedly installed on the top wall of the connecting box 3, and the warning light 12 and the elastic switch 11 are electrically connected together.

[0024] A water tank 14 for storing water is fixedly mounted on the rear wall of the scroll body 1 , and a pressure relief pipe 13 is sealedly connected to the front wall of the water tank 14 through one end face of the scroll body 1 .

[0025] A water pump 15 is fixedly mounted on the front wall of the water tank 14 . The input end of the water pump 15 is sealedly connected to the front wall of the water tank 14 , and the output end of the water pump 15 is sealedly connected to the outer wall of the scroll body 1 .

[0026] The elastic element 5 is fixedly installed between the upper side wall of the sealing piston 4 and the adjacent wall inside the horizontal end of the connecting box body 3 , and the outer wall of the transmission rack 6 moves through the inside of the elastic element 5 .

[0027] During use of the utility model, when the transmission rack 6 moves upward, the transmission rack 6 will finally contact the elastic switch 11. At this time, the warning light 12 begins to emit light to remind the staff that the pressure is abnormal. In addition, the pressure relief pipe 13 will discharge the water into the water tank 14 for storage. If the pressure inside the vortex tube body 1 is less than a certain value, the water pump 15 can be turned on. The input end of the water pump 15 will pump out the water inside the water tank 14 and discharge it into the interior of the vortex tube body 1 through the output end of the water pump 15.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A water pressure adjustable hydropower station scroll tube, comprising a scroll tube body (1), characterized in that: A pressure relief pipe (13) and a pressure reducing valve (2) for conveying water are sealedly connected to the outer wall of the scroll body (1); the input end of the pressure reducing valve (2) is sealedly connected to the outer wall of the scroll body (1); the pressure reducing valve (2) is located on the left side of the pressure relief pipe (13); a connecting box (3) is fixedly installed on the outer wall of the scroll body (1); the connecting box (3) is located between the pressure reducing valve (2) and the pressure relief pipe (13); the output end of the pressure reducing valve (2) is sealedly connected to the left side wall of the connecting box (3) through a water conveying pipe; a sealing piston (4) that can move up and down is arranged inside the horizontal end of the connecting box (3); a transmission rack (6) that can transmit is fixedly installed on the upper side wall of the sealing piston (4); The outer wall of the transmission rack (6) movably penetrates the top wall surface inside the horizontal end of the connecting box body (3); the sealing bead (7) is rotated in a sealed manner inside the pressure relief pipe (13); a through water delivery groove is provided on the front outer wall of the sealing bead (7); the left outer wall of the sealing bead (7) is fixedly mounted on the connecting rotating rod (8); the outer wall of the connecting rotating rod (8) is rotatably mounted on the outer wall of the pressure relief pipe (13) in a sealed manner; the outer wall of the connecting rotating rod (8) movably penetrates the right wall surface of the vertical end of the connecting box body (3); a transmission gear (9) is fixedly mounted on the outer wall of the connecting rotating rod (8); the transmission gear (9) and the transmission rack (6) are meshed and connected together; a reset mechanism is provided on the sealing piston (4); the reset mechanism includes an elastic element (5).

2. The water pressure adjustable hydropower station vortex tube according to claim 1, characterized in that: A protective partition (10) arranged in a horizontal state is fixedly installed inside the vertical end of the connecting box body (3), the outer wall of the transmission rack (6) movably penetrates the upper and lower wall surfaces of the protective partition (10), and an elastic switch (11) is arranged on the top wall surface inside the vertical end of the connecting box body (3).

3. The water pressure adjustable hydropower station vortex tube according to claim 2 is characterized by: The elastic switch (11) and the transmission rack (6) correspond to each other, and a warning light (12) capable of providing a warning is fixedly installed on the top wall of the connection box (3), and the warning light (12) and the elastic switch (11) are electrically connected together.

4. The water pressure adjustable hydropower station vortex tube according to claim 3 is characterized by: A water storage tank (14) for storing water is fixedly mounted on the rear wall of the scroll body (1), and a pressure relief pipe (13) is sealedly connected to the front wall of the water storage tank (14) through one end face of the scroll body (1).

5. The water pressure adjustable hydropower station vortex tube according to claim 4 is characterized in that: A water pump (15) is fixedly mounted on the front wall of the water storage tank (14); the input end of the water pump (15) is sealedly connected to the front wall of the water storage tank (14); and the output end of the water pump (15) is sealedly connected to the outer wall of the scroll body (1).

6. The water pressure adjustable hydropower station vortex tube according to claim 1, characterized in that: The elastic element (5) is fixedly mounted between the upper side wall of the sealing piston (4) and the adjacent wall inside the horizontal end of the connecting box (3), and the outer wall of the transmission rack (6) moves through the inside of the elastic element (5).

Citation Information

Patent Citations

  • Power station scroll with adjustable water pressure

    CN207795449U