A water hammer monitoring device for water transmission pipelines

Abstract

This application discloses a water hammer monitoring device for water transmission pipelines, relating to the technical field of monitoring equipment. It includes a data acquisition module and a data processing module, communicatively connected to the data acquisition module. The data acquisition module includes a water transmission pipe, a mounting base, a sealing base, a hydrophone, and a control component. The water transmission pipe is coaxial with and connected to the pipeline. The mounting base has an installation hole, and the water transmission pipe has a connection hole. The sealing base is slidably connected to the side of the mounting base away from the water transmission pipe, and has a through hole. When the through hole and the installation hole are aligned and connected, the hydrophone passes through the through hole, the installation hole, and the connection hole sequentially into the water transmission pipe. When the hydrophone enters the through hole, the control component controls the sealing base to slide until the through hole and the installation hole are aligned. When the hydrophone leaves the through hole, the control component controls the sealing base to slide until the through hole and the installation hole are misaligned, at which point the sealing base seals the installation hole. This application allows for the installation and removal of the hydrophone without obstructing the water flow within the pipeline.

Description

Technical Field

[0001] This application relates to the technical field of monitoring equipment, and in particular to a water hammer monitoring device for water pipelines. Background Technology

[0002] Water hammer refers to the phenomenon where, inside a water pipe with smooth walls, when an open valve is suddenly closed, the subsequent water flow rapidly reaches its maximum velocity due to inertia. This water flow exerts pressure on the valve and pipe walls, causing damage. Currently, the common method to eliminate water hammer is to install air-type water hammer protection devices along the pipeline. However, whether the water hammer protection device achieves the desired effect requires monitoring through an online monitoring system.

[0003] Chinese invention patent CN110985890A discloses a pipeline water hammer safety monitoring system, including a terminal monitoring device, a data acquisition and processing device, and an upper-level centralized management system. The terminal monitoring device is connected to the data acquisition and processing device, and the data acquisition and processing device is communicatively connected to the upper-level centralized management system. Data acquisition and processing are decentralized to the high-frequency acquisition terminal device, reducing the processing load on the upper-level centralized management system and allowing it to connect to a large number of high-frequency acquisition terminal devices. The upper-level centralized management system uses big data and AI technologies to analyze the data, accurately identifying abnormal data and assessing the effectiveness of water hammer mitigation.

[0004] The data acquisition device mainly includes a high-frequency pressure sensor and a hydrophone. The hydrophone needs to be in direct contact with the water flow in the pipe when it is in use. Therefore, the water flow in the pipe needs to be cut off and shut off before the hydrophone can be installed or removed, which is quite troublesome. Summary of the Invention

[0005] In order to disassemble and install hydrophones without intercepting or shutting down the water flow in the pipeline, this application provides a water hammer monitoring device for water transmission pipelines.

[0006] This application provides a water hammer monitoring device for water transmission pipelines, which adopts the following technical solution:

[0007] A water hammer monitoring device for water transmission pipelines, comprising

[0008] The data acquisition module is installed in the pipeline;

[0009] The data processing module is electrically connected to the data acquisition module;

[0010] The data acquisition module includes a water supply pipe, a mounting base, a sealing base, a hydrophone, and control components;

[0011] The water delivery pipe is coaxial with and connected to the pipeline;

[0012] The mounting base is disposed on the outer wall of the water supply pipe, the mounting base is provided with a mounting hole, and the water supply pipe is formed with a connection hole communicating with the mounting hole;

[0013] The sealing seat is slidably connected to the mounting base on the side away from the water supply pipe, and the sealing seat has a through hole;

[0014] When the through hole is aligned with and connected to the mounting hole, the hydrophone passes through the through hole, the mounting hole and the connection hole in sequence to the water supply pipe;

[0015] The control component is disposed on the mounting base. When the hydrophone enters the through hole, the control component controls the sealing seat to slide until the through hole is aligned with the mounting hole.

[0016] When the hydrophone is disengaged from the through hole, the control component controls the sealing seat to slide until the through hole and the mounting hole are misaligned, at which point the sealing seat blocks the mounting hole.

[0017] By adopting the above technical solution, during installation, the hydrophone is passed through the through hole. At this time, the control component controls the movement of the sealing seat, so that the through hole and the mounting hole are aligned. Then, the hydrophone can continue to pass through the mounting hole and enter the water pipe to monitor the water flow in the pipeline. During disassembly, when the hydrophone is slid out of the through hole, the control component controls the sliding of the sealing seat, so that the through hole and the mounting hole are misaligned. The sealing seat seals the mounting hole, restricting the flow of water out of the mounting hole. The entire process of disassembly and assembly is simple and facilitates the disassembly and assembly of the hydrophone without shutting off or cutting off the water flow in the pipeline.

[0018] Optionally, the control assembly includes a connecting tube, a control airbag, a control spring, an inflatable airbag, a control ring, a linkage bar, and a connecting ring;

[0019] The perforation hole has a receiving groove formed on its peripheral wall. The inflatable airbag is arranged around the central axis of the perforation hole and is located in the receiving groove. The inflatable airbag protrudes into the perforation hole.

[0020] The mounting base has a control groove, and the control airbag is located in the control groove;

[0021] The connecting pipe passes through the sealing seat and the mounting seat, and the two ends of the connecting pipe are respectively connected to the control airbag and the inflatable airbag;

[0022] The control airbag is connected to the control groove wall on the side away from the connecting tube;

[0023] The connecting ring is sleeved on the outer periphery of the connecting pipe and connected to the groove wall of the control groove away from the sealing seat. The control ring is sleeved on the outer periphery of the connecting pipe and connected to the outer wall of the control airbag.

[0024] The linkage bar slides on the mounting base, and the linkage bar is linked to the sealing base and the control ring;

[0025] When the hydrophone passes through the inflatable air bladder, the control air bladder expands, pushing the sealing seat to slide until the through hole and the mounting hole are aligned with each other;

[0026] The control spring is sleeved on the outer periphery of the connecting pipe. When the hydrophone slides out of the inflatable air bag, the control spring pushes the control ring to squeeze the control air bag. At this time, the inflatable air bag expands and protrudes into the through hole.

[0027] By adopting the above technical solution, the sealing seat can be slid by controlling the contraction and expansion of the airbag, so that the sealing seat can block the installation hole and limit water leakage when the hydrophone is disassembled and assembled.

[0028] Optionally, the inflatable bladder has a guide portion that guides the hydrophone through the inflatable bladder.

[0029] By adopting the above technical solution, the guide unit guides the hydrophone, making it easier for the hydrophone to pass through the inflatable airbag.

[0030] Optionally, the connecting tube and the control airbag are both accordion-style structures.

[0031] By adopting the above technical solution, it is convenient to connect the tube and control the contraction and expansion of the airbag.

[0032] Optionally, the sealing seat is provided with a retaining ring, which is located on the side of the inflatable airbag away from the mounting seat and inside the through hole, and the inner peripheral sidewall of the retaining ring is in sliding contact with the outer peripheral sidewall of the hydrophone.

[0033] By adopting the above technical solution, the retaining ring prevents the inflatable airbag from sliding out of the through hole.

[0034] Optionally, the mounting base is slidably connected to a plug-in post, and the bottom of the sealing base is formed with a plug-in groove that matches the plug-in post;

[0035] The mounting base is equipped with a push spring. When the plug-in post is aligned with the plug-in slot, the push spring pushes the plug-in post to insert into the plug-in slot.

[0036] When the through hole and the mounting hole are misaligned, the insertion post and the insertion slot are aligned.

[0037] By adopting the above technical solution, the plug is inserted into the plug slot, which fixes the sealing seat and the mounting seat, reducing the possibility of water flowing out of the mounting hole due to accidental contact.

[0038] Optionally, the sealing seat is slidably connected to a push column, which is connected to the outer peripheral sidewall of the inflatable airbag;

[0039] The plug is inclined to form a pushing surface aligned with the push post. When the hydrophone passes through the inflatable air bladder, the push post slides on the pushing surface, at which time the plug disengages from the plug slot.

[0040] The trajectory of the pushing column as it slides toward the insertion column is perpendicular to the sliding trajectory of the sealing seat.

[0041] By adopting the above technical solution, the push column pushes the plug-in column out of the plug-in slot, which is conducive to the sealing seat entering a free sliding state.

[0042] Optionally, the sealing seat is slidably connected to a toggle post, which passes through the insertion groove;

[0043] The pushing column includes a first column and a second column. The first column is fixed to the outer wall of the inflatable airbag, and the second column slides up and down on the side of the first column away from the inflatable airbag. The actuating column and the second column are respectively provided with magnets with opposite magnetic properties.

[0044] When the pushing column enters the insertion slot, the second column and the magnet of the actuating column attract each other.

[0045] The actuating post is provided with an actuating ring coaxially arranged with the control ring on the side away from the insertion slot. After the hydrophone passes through the actuating ring, it enters the control ring. At this time, there is friction between the outer periphery of the hydrophone and the inner periphery of the actuating ring.

[0046] The top of the mounting base is provided with a slot, and when the through hole is aligned with the mounting hole, the second column is aligned with the slot.

[0047] When the hydrophone passes through the mounting hole, the actuating post pushes the second post into the slot.

[0048] By adopting the above technical solution, the actuating column pushes the second column into the slot, thereby fixing the sealing seat and the mounting seat and reducing the possibility of the hydrophone being subjected to lateral forces during use.

[0049] Optionally, a sealing ring is provided at the bottom of the sealing seat. When the through hole is misaligned with the mounting hole, the sealing ring surrounds the mounting hole and abuts against the top of the mounting seat.

[0050] By adopting the above technical solution, the possibility of water overflowing between the mounting base and the sealing base is reduced.

[0051] In summary, this application includes at least one of the following beneficial effects:

[0052] 1. By controlling the movement of the sealing seat through the control component, the sealing seat can block the installation hole when the hydrophone slides out of the through hole, restricting the water flow. This facilitates the installation and removal of the hydrophone without blocking the water flow in the pipe.

[0053] 2. The plug is inserted into the plug slot to fix the sealing seat and the mounting seat, reducing the possibility of water flowing out of the through hole when the sealing seat is accidentally touched. Attached Figure Description

[0054] Figure 1 This is a schematic diagram of the external structure of an embodiment of this application;

[0055] Figure 2 This is a cross-sectional schematic diagram of the case where the through hole and the mounting hole are misaligned in an embodiment of this application;

[0056] Figure 3 yes Figure 2 Enlarged schematic diagram of part A;

[0057] Figure 4 This is a cross-sectional schematic diagram of the insertion post inserted into the insertion slot in an embodiment of this application;

[0058] Figure 5 yes Figure 4 Enlarged schematic diagram of part B;

[0059] Figure 6 This is a schematic diagram of the internal cross-section of an embodiment of this application.

[0060] Reference numerals: 1. Data acquisition module; 2. Data processing module; 3. Transmission pipe; 31. Connecting hole; 4. Mounting base; 41. Mounting hole; 42. Control groove; 43. Insertion post; 431. Pushing surface; 44. Pushing spring; 45. Slot; 46. Connecting hole; 47. Linkage hole; 5. Sealing base; 51. Through hole; 52. Receiving groove; 53. Retaining ring; 54. Insertion groove; 55. Pushing post; 551. First post; 552. Second post; 56. Actuating post; 57. Magnet; 58. Actuating ring; 59. Sealing ring; 6. Hydrophone; 7. Connecting pipe; 71. Control airbag; 72. Control spring; 73. Inflatable airbag; 731. Guide part; 74. Control ring; 75. Linkage bar; 76. Connecting ring. Detailed Implementation

[0061] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0062] This application discloses a water hammer monitoring device for water transmission pipelines. See also... Figure 1 The water hammer monitoring device for water transmission pipelines includes a data acquisition module 1 and a data processing module 2. The data acquisition module 1 is installed in the pipeline to collect water flow data within the pipeline. The data processing module 2 is fixed to the pipeline and electrically connected to the data acquisition module 1. The data acquisition module 1 transmits the collected data to the data processing module 2, which then analyzes and records the conditions within the pipeline.

[0063] The data acquisition module 1 includes a transmission pipe 3, a mounting base 4, a sealing base 5, a hydrophone 6, and control components.

[0064] See Figure 2 The transmission pipe 3 is connected and fixed to the pipeline, and is coaxially arranged and connected to the pipeline. A connection hole 31 is formed on the wall of the transmission pipe 3, and a mounting hole 41 extending toward the transmission pipe 3 is formed on the side of the mounting base 4 away from the transmission pipe 3. The mounting hole 41 is coaxially arranged and connected to the connection hole 31, and the diameter of the connection hole 31 is connected to the diameter of the mounting hole 41.

[0065] The sealing seat 5 is located on the side of the mounting base 4 away from the transmission pipe 3, and two "T"-shaped sliding strips are symmetrically fixed to the sealing seat 5. Two "T"-shaped sliding grooves are symmetrically formed on the side of the mounting base 4 away from the transmission pipe 3, and the mounting hole 41 is located between the two sliding grooves. The extension direction of the sliding grooves is parallel to the central axis of the transmission pipe 3. The sliding strips are slidably connected to the sliding grooves, allowing the sealing seat 5 to slide along the central axis of the transmission pipe 3 on the mounting base 4, and the sealing seat 5 and the mounting base 4 are in sliding contact.

[0066] See Figure 2 and Figure 3 The sealing seat 5 has a through hole 51, the diameter of which is equal to the diameter of the mounting hole 41. When the sealing seat 5 slides, the through hole 51 and the mounting hole 41 can be aligned with each other. At this time, the central axis of the through hole 51 and the mounting hole 41 coincides and is connected. When the sealing seat 5 can slide to the point that the through hole 51 and the mounting hole 41 are misaligned, the sealing seat 5 blocks the mounting hole 41, restricting the water flow in the transmission pipe 3 from flowing out of the mounting hole 41.

[0067] Hydrophone 6 has a cylindrical structure. During installation, first place hydrophone 6 (hydrophone 6 is in...) Figure 1The hydrophone 6 is inserted into the through hole 51. At this time, the outer peripheral side wall of the hydrophone 6 slides in contact with the hole wall of the through hole 51. Then, the sealing seat 5 is slid until the through hole 51 is aligned with the mounting hole 41. Then, the hydrophone 6 continues to slide. At this time, the hydrophone 6 passes through the mounting hole 41 and the connecting hole 31 and enters the transmission pipe 3, so that the hydrophone 6 comes into contact with the water flow in the transmission pipe 3. The hydrophone 6 can monitor the water flow in the transmission pipe 3.

[0068] The control component is mounted on the mounting base 4. The control component includes a connecting pipe 7, a control airbag 71, a control spring 72, an inflatable airbag 73, a control ring 74, a linkage bar 75, and a connecting ring 76.

[0069] See Figure 3 and Figure 4 The sealing seat 5 has a receiving groove 52 that extends circumferentially and communicates with the through hole 51. The central axis of the receiving groove 52 coincides with the central axis of the through hole 51. The inflatable airbag 73 is made of rubber or silicone and has a ring-shaped structure. It is installed in the receiving groove 52 and is hollow. The central axis of the inflatable airbag 73 is perpendicular to the central axis of the through hole 51. The inflatable airbag 73 protrudes into the through hole 51 and is filled with air. When the inflatable airbag 73 expands, it completely blocks the through hole 51. A guide portion 731 is formed on the side of the inflatable airbag 73 away from the mounting seat 4. When the hydrophone 6 enters the through hole 51, it slides on the guide portion 731 and passes through the inflatable airbag 73 along the guide portion 731. At this time, the hydrophone 6 compresses the inflatable airbag 73.

[0070] See Figure 2 and Figure 3 A control groove 42 is formed within the mounting base 4, near the sealing seat 5. The extension direction of the control groove 42 is parallel to the sliding direction of the sealing seat 5. A control airbag 71 is installed within the control groove 42, and the outer side of the control airbag 71 away from the mounting hole 41 is fixedly connected to the groove wall of the control groove 42 away from the mounting hole 41. A connecting hole 46 is formed on the side of the mounting base 4 facing the sealing seat 5, communicating with the control groove 42. The connecting hole 46 is located between the control airbag 71 and the mounting hole 41. A connecting tube 7 passes through the sealing seat 5. One end of the connecting tube 7 is fixed to and communicates with the outer wall of the inflatable airbag 73. The other end of the connecting tube 7 passes through the connecting hole 46 and enters the control groove 42. The other end of the connecting tube 7 is fixed to and communicates with the outer wall of the control airbag 71 near the mounting hole 41. When the sealing seat 5 slides, the connecting tube 7 slides in the connecting hole 46. The connecting tube 7 and the control airbag 71 are made of silicone or rubber, and the connecting tube 7 and the control airbag 71 adopt an accordion-style structure.

[0071] A control ring 74 is sleeved on the outer periphery of the connecting pipe 7. The control ring 74 slides in the control groove 42, and the side wall of the control ring 74 is fixedly connected to the outer wall of the control airbag 71 near the mounting hole 41. The mounting base 4 has a linkage hole 47 that communicates with the control groove 42 on the side facing the sealing base 5. The linkage hole 47 is located on the side of the communicating hole 46 away from the mounting hole 41. The linkage bar 75 is slidably connected to the linkage hole 47, and one end of the linkage bar 75 is fixedly connected to the bottom of the sealing base 5, and the other end is fixedly connected to the control ring 74 near the sealing base 5.

[0072] The connecting ring 76 is sleeved on the outer periphery of the connecting pipe 7, and the side wall of the connecting ring 76 is fixedly connected to the side wall of the control groove 42 away from the sealing seat 5. The connecting ring 76 is located on the side of the control ring 74 near the mounting hole 41. The control spring 72 is sleeved on the outer periphery of the connecting pipe 7, with one end of the control spring 72 abutting against the connecting ring 76 and the other end abutting against the control ring 74.

[0073] In the initial state, the inflatable airbag 73 is in an expanded state, and the control airbag 71 is in a contracted state. At this time, the through hole 51 and the mounting hole 41 are misaligned.

[0074] When the hydrophone 6 passes through the inflatable airbag 73, the inflatable airbag 73 is compressed, causing the air inside the inflatable airbag 73 to enter the control airbag 71 through the connecting tube 7. The control airbag 71 then enters an inflated state. At this time, the control airbag 71 pushes the control ring 74 to slide towards the mounting hole 41, and the through hole 51 approaches the mounting hole 41 until they are aligned and connected. Meanwhile, the control spring 72 enters a compressed state.

[0075] The sealing seat 5 is fixedly connected to a retaining ring 53. Two retaining rings 53 are symmetrically arranged vertically and located within the control groove 42. The inflatable airbag 73 is located between the two retaining rings 53. The inner diameter of the retaining ring 53 is the same as that of the hydrophone 6 (the hydrophone 6 is located in...). Figure 1 The outer diameters are equal (as indicated by the marking). When the hydrophone 6 passes through the retaining ring 53, the outer peripheral sidewall of the hydrophone 6 slides into contact with the inner peripheral sidewall of the retaining ring 53, and when the hydrophone 6 passes through the inflatable airbag 73, the retaining ring 53 restricts the inflatable airbag 73, reducing the possibility that the inflatable airbag 73 may slide out of the opening of the through hole 51 when it is squeezed.

[0076] When the hydrophone 6 is removed, it first detaches from the mounting hole 41, and then begins to detach from the inflatable bladder 73. At this time, the control spring 72 is released elastically, pushing the control ring 74 to slide away from the mounting hole 41. During the sliding, the control ring 74 compresses the control bladder 71, causing the air inside the control bladder 71 to flow back into the inflatable bladder 73 through the connecting pipe 7. At this time, the inflatable bladder 73 expands into the through hole 51. Simultaneously, when the control ring 74 compresses the control bladder 71, the linkage bar 75 drives the sealing seat 5 to slide, causing the through hole 51 and the mounting hole 41 to begin to move away from each other until they are completely misaligned. At this time, the mounting hole 41 is blocked by the sealing seat 5, restricting the flow of water from the mounting hole 41.

[0077] A sealing ring 59 is fixedly connected to the side of the sealing seat 5 near the mounting seat 4, and the sealing ring 59 slides in contact with the mounting seat 4. When the through hole 51 and the mounting hole 41 are misaligned, the sealing ring 59 surrounds the mounting hole 41, which can further restrict the water flow from overflowing between the mounting seat 4 and the sealing seat 5.

[0078] See Figure 5 and Figure 6 The top of the mounting base 4 has a sliding groove extending vertically, the sliding groove being located away from the sealing ring 59 and away from the mounting hole 41 (the mounting hole 41 is in...). Figure 2 The mounting base 4 is located on one side of the slide groove (marked out), and the line connecting the sliding groove and the mounting hole 41 is perpendicular to the line connecting the control groove 42 and the mounting hole 41. The mounting base 4 is provided with a plug-in post 43, which is positioned above and below the slide groove. The bottom of the sealing base 5 has a plug-in groove 54, which is adapted to the plug-in post 43. The mounting base 4 is provided with a push spring 44, which is installed in the slide groove. One end of the push spring 44 abuts against the push post 55, and the other end abuts against the wall of the slide groove. When the through hole 51 and the mounting hole 41 are misaligned, the plug-in post 43 and the plug-in groove 54 are aligned. At this time, the push spring 44 is released elastically, pushing the plug-in post 43 into the plug-in groove 54. At this time, the plug-in post 43 restricts the sliding of the sealing base 5, reducing the possibility of water overflowing from the mounting hole 41 due to accidental contact with the sealing base 5.

[0079] The sealing seat 5 has a pushing groove that communicates with the control groove 42 and is located on the side of the control groove 42 away from the through hole 51. The pushing groove is also connected to the insertion groove 54. The sealing seat 5 is provided with a pushing column 55, which is located within the pushing groove and fixed to the outer wall of the inflatable airbag 73 on the side away from the through hole 51. When the inflatable airbag 73 is compressed, it expands into the pushing groove. At this time, the inflatable airbag 73 pushes the pushing column 55 into the insertion groove 54. The sliding direction of the pushing column 55 is perpendicular to the sliding direction of the sealing seat 5.

[0080] The top of the plug 43 is inclined to form a pushing surface 431, which faces the pushing post 55. When the pushing post 55 slides into the plug groove 54, the pushing post 55 slides on the pushing surface 431, pushing the plug 43 out of the plug groove 54. At this time, the sealing seat 5 and the mounting seat 4 enter a free sliding state, and the sealing seat 5 can slide.

[0081] The sealing seat 5 has an actuating hole on the side away from the mounting seat 4 that connects to the insertion groove 54. The sealing seat 5 is provided with a square column-shaped actuating post 56, which slides up and down in the actuating hole and can slide into the insertion groove 54. An actuating ring 58 is fixedly connected to the side of the actuating post 56 away from the mounting seat 4. The actuating ring 58 is coaxially arranged with the retaining ring 53, and the inner diameter of the actuating ring 58 is equal to the inner diameter of the retaining ring 53. There is friction between the inner wall of the actuating ring 58 and the outer wall of the hydrophone 6. During installation, the hydrophone 6 passes through the actuating ring 58 and then through the retaining ring 53 into the inflation bladder 73. When the hydrophone 6 passes through the actuating ring 58, the hydrophone 6 applies a frictional force towards the mounting seat 4 to the actuating ring 58. At this time, the push spring 44 pushes the insertion post 43 to remain in the insertion groove 54, and the hydrophone 6 slides relative to the actuating ring 58.

[0082] The top of the mounting base 4 has a slot 45, which is formed when the through hole 51 and the mounting hole 41 (the mounting hole 41 is in Figure 2 When aligned, the push post 55 and the slot 45 are aligned. The push post 55 includes a first post 551 and a second post 552. The first post 551 is fixed to the inflatable airbag 73, and the second post 552 slides up and down on the side of the first post 551 away from the inflatable airbag 73. After the push post 55 pushes the insertion post 43 out of the insertion slot 54, the sealing seat 5 slides so that the through hole 51 is close to the mounting hole 41. At this time, the push post 55 slides on the top of the mounting seat 4 until the through hole 51 and the mounting hole 41 are aligned. The friction force on the actuating ring 58 causes the actuating post 56 to push the first post 551 into the slot 45, so that the sealing seat 5 and the mounting seat 4 are fixed.

[0083] The actuating post 56 and the second post 552 are respectively fitted with magnets 57 of opposite magnetic properties on their opposite sides. When the actuating post 56 and the second post 552 abut against each other, the magnets 57 of the actuating post 56 and the second post 552 come into contact with and attract each other. When the hydrophone 6 is removed, the actuating ring 58 moves the actuating post 56 away from the sealing seat 5. At this time, the actuating post 56 moves the second post 552 out of the slot 45, so that the sealing seat 5 and the mounting seat 4 enter a free sliding state.

[0084] A limiting block is fixedly connected to the outer wall of the actuating post 56, and a limiting groove is formed in the wall of the actuating hole. The limiting block slides up and down in the limiting groove. When the actuating post 56 drives the second post 552 to disengage from the slot 45, the limiting block abuts against the side wall of the limiting groove away from the mounting base 4, which helps to reduce the possibility of the actuating post 56 disengaging from the actuating hole, while keeping the pushing post 55 in the insertion slot 54. When the inflatable airbag 73 expands and protrudes into the through hole 51, the outer wall of the inflatable airbag 73 drives the pushing post 55 to slide into the pushing groove.

[0085] The implementation principle of a water hammer monitoring device for water transmission pipelines according to an embodiment of this application is as follows:

[0086] During installation, the hydrophone 6 is passed through the through hole 51. At this time, the hydrophone 6 compresses the air bladder 73. The air bladder 71 is then controlled to expand, and the sealing seat 5 moves until the through hole 51 and the mounting hole 41 are aligned. Then the hydrophone 6 passes through the mounting hole 41 and enters the transmission tube 3.

[0087] During disassembly, move the hydrophone 6 away from the through hole 51. The control spring 72 pushes the control ring 74 to squeeze the control airbag 71. At this time, the sealing seat 5 slides, causing the through hole 51 and the mounting hole 41 to be misaligned. The sealing seat 5 seals the mounting hole 41, which is beneficial to prevent the water flow in the pipe from being closed or blocked during disassembly.

[0088] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A water hammer monitoring device for water transmission pipelines, characterized in that: include The data acquisition module (1) is installed in the pipeline; The data processing module (2) is electrically connected to the data acquisition module (1); The data acquisition module (1) includes a transmission pipe (3), a mounting base (4), a sealing base (5), a hydrophone (6), and a control component; The transmission tube (3) is coaxial with and connected to the pipeline; The mounting base (4) is disposed on the outer wall of the transmission pipe (3), the mounting base (4) is provided with a mounting hole (41), and the transmission pipe (3) is formed with a connection hole (31) communicating with the mounting hole (41). The sealing seat (5) is slidably connected to the mounting seat (4) on the side away from the transmission pipe (3), and the sealing seat (5) has a through hole (51). When the through hole (51) is aligned with and connected to the mounting hole (41), the hydrophone (6) passes through the through hole (51), the mounting hole (41) and the connecting hole (31) in sequence to the transmission pipe (3); The control component is disposed on the mounting base (4). When the hydrophone (6) enters the through hole (51), the control component controls the sealing base (5) to slide until the through hole (51) is aligned with the mounting hole (41). When the hydrophone (6) is disengaged from the through hole (51), the control component controls the sealing seat (5) to slide until the through hole (51) and the mounting hole (41) are misaligned, at which time the sealing seat (5) blocks the mounting hole (41). The control assembly includes a connecting pipe (7), a control airbag (71), a control spring (72), an inflatable airbag (73), a control ring (74), a linkage bar (75), and a connecting ring (76). The perforation hole (51) has a receiving groove (52) formed on the side wall. The inflatable airbag (73) is arranged around the central axis of the perforation hole (51) and is located in the receiving groove (52). The inflatable airbag (73) protrudes into the perforation hole (51). The mounting base (4) has a control groove (42) and the control airbag (71) is located in the control groove (42); The connecting pipe (7) passes through the sealing seat (5) and the mounting seat (4), and the two ends of the connecting pipe (7) are respectively connected to the control airbag (71) and the inflatable airbag (73). The control airbag (71) is connected to the wall of the control groove (42) on the side away from the connecting pipe (7); The connecting ring (76) is sleeved on the outer periphery of the connecting pipe (7) and connected to the side wall of the control groove (42) away from the sealing seat (5). The control ring (74) is sleeved on the outer periphery of the connecting pipe (7) and connected to the outer wall of the control airbag (71). The linkage bar (75) slides on the mounting base (4), and the linkage bar (75) is linked to the sealing base (5) and the control ring (74). When the hydrophone (6) passes through the inflatable airbag (73), the control airbag (71) inflates, pushing the sealing seat (5) to slide until the through hole (51) and the mounting hole (41) are aligned with each other; The control spring (72) is sleeved on the outer periphery of the connecting pipe (7). When the hydrophone (6) slides out of the inflatable airbag (73), the control spring (72) pushes the control ring (74) to squeeze the control airbag (71). At this time, the inflatable airbag (73) expands and protrudes into the through hole (51).

2. The water hammer monitoring device for water transmission pipelines according to claim 1, characterized in that: The inflatable bladder (73) has a guide portion (731) that guides the hydrophone (6) through the inflatable bladder (73).

3. The water hammer monitoring device for water transmission pipelines according to claim 1, characterized in that: The connecting pipe (7) and the control airbag (71) are respectively accordion-style structures.

4. The water hammer monitoring device for water transmission pipelines according to claim 1, characterized in that: The sealing seat (5) is provided with a retaining ring (53). The retaining ring (53) is located on the side of the inflatable airbag (73) away from the mounting seat (4) and inside the through hole (51). The inner peripheral sidewall of the retaining ring (53) is in sliding contact with the outer peripheral sidewall of the hydrophone (6).

5. A water hammer monitoring device for water transmission pipelines according to claim 1, characterized in that: The mounting base (4) is slidably connected to the plug post (43) and the bottom of the sealing base (5) is formed with a plug groove (54) that is adapted to the plug post (43). The mounting base (4) is provided with a push spring (44). When the plug post (43) is aligned with the plug groove (54), the push spring (44) pushes the plug post (43) to insert into the plug groove (54). When the through hole (51) and the mounting hole (41) are misaligned, the plug post (43) is aligned with the plug groove (54).

6. A water hammer monitoring device for water transmission pipelines according to claim 5, characterized in that: The sealing seat (5) is slidably connected to a push column (55), which is connected to the outer peripheral sidewall of the inflatable airbag (73); The plug (43) is inclined to form a pushing surface (431) aligned with the pushing post (55). When the hydrophone (6) passes through the inflatable air bag (73), the pushing post (55) slides on the pushing surface (431), at which time the plug (43) disengages from the plug slot (54). The trajectory of the push post (55) sliding toward the plug post (43) is perpendicular to the sliding trajectory of the sealing seat (5).

7. A water hammer monitoring device for water transmission pipelines according to claim 6, characterized in that: The sealing seat (5) is slidably connected to a toggle post (56) which is inserted into the insertion groove (54); The push column (55) includes a first column (551) and a second column (552). The first column (551) is fixed to the outer wall of the inflatable airbag (73), and the second column (552) slides up and down on the side of the first column (551) away from the inflatable airbag (73). The actuating column (56) and the second column (552) are respectively provided with magnets (57) with opposite magnetic properties. When the push post (55) enters the insertion slot (54), the second post (552) and the magnet (57) of the actuating post (56) attract each other; The actuating post (56) is provided with an actuating ring (58) coaxially arranged with the control ring (74) on the side away from the insertion slot (54). The hydrophone (6) passes through the actuating ring (58) and enters the control ring (74). At this time, there is friction between the outer periphery of the hydrophone (6) and the inner periphery of the actuating ring (58). The mounting base (4) is provided with a slot (45) at the top. When the through hole (51) is aligned with the mounting hole (41), the second column (552) is aligned with the slot (45). When the hydrophone (6) passes through the mounting hole (41), the actuating post (56) pushes the second post (552) into the slot (45).

8. A water hammer monitoring device for water transmission pipelines according to claim 1, characterized in that: The sealing seat (5) is provided with a sealing ring (59) at the bottom. When the through hole (51) is misaligned with the mounting hole (41), the sealing ring (59) surrounds the mounting hole (41) and abuts against the top of the mounting seat (4).

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