CN117028875B - Acoustic flow velocity positioning intelligent pipe network system - Google Patents

Acoustic flow velocity positioning intelligent pipe network system Download PDF

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Publication number
CN117028875B
CN117028875B CN202311295857.6A CN202311295857A CN117028875B CN 117028875 B CN117028875 B CN 117028875B CN 202311295857 A CN202311295857 A CN 202311295857A CN 117028875 B CN117028875 B CN 117028875B
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China
Prior art keywords
pipeline
acoustic signal
supporting seat
signal receiver
acoustic
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CN202311295857.6A
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CN117028875A (en
Inventor
胡少伟
王全龙
潘福渠
任贺靖
刘群昌
宋瑞勇
叶宇霄
沈贵文
何德超
侯兆光
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Shandong Dongxin Plastic Technology Co ltd
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Shandong Dongxin Plastic Technology Co ltd
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Priority to CN202311295857.6A priority Critical patent/CN117028875B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/02Preventing, monitoring, or locating loss
    • F17D5/06Preventing, monitoring, or locating loss using electric or acoustic means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Pipeline Systems (AREA)

Abstract

The invention discloses an acoustic flow velocity positioning intelligent pipe network system, which belongs to the technical field of acoustic signal positioning and comprises a pipeline, wherein a supporting seat is arranged on the inner top wall of the pipeline, an acoustic signal receiver and a guide rail are arranged on the supporting seat, a striking head is arranged on the guide rail, the striking head can slide along the guide rail to strike the acoustic signal receiver to generate an acoustic signal, the striking head is connected with the supporting seat through a spring, a cam is abutted to the side, away from the acoustic signal receiver, of the striking head, a connecting rod is fixedly connected onto the cam, the connecting rod is connected with fan blades through a bevel gear set, and the fan blades can rotate through the bevel gear set to enable the connecting rod to rotate so as to enable the cam to rotate; the pipeline is internally provided with a signal transmission device, the signal transmission device is connected with an acoustic signal receiver, an acoustic signal generated by the acoustic signal receiver is transmitted to a control terminal through the signal transmission device, and the control terminal is used for processing the acoustic signal to obtain the water flow information in the pipeline.

Description

Acoustic flow velocity positioning intelligent pipe network system
Technical Field
The invention belongs to the technical field of acoustic signal positioning, and particularly relates to an acoustic flow velocity positioning intelligent pipe network system.
Background
Buried water conveying and draining pipe network is influenced by various stratum movements, ground landform changes, reference object loss and other factors. The position of the buried pipeline is often deviated, so that the pipeline is easy to damage, and the effects on the work such as the overhaul and the later repair of the buried pipeline are caused. However, the novel polyvinyl chloride pipeline is made of nonmetallic materials, and cannot be positioned by ground monitoring means such as ground penetrating radars. And the prior art has higher labor cost and longer time consumption. By the method of installing a signal generator on each pipe, there are a number of drawbacks: because of the obstruction of stratum, the signal generator of the buried pipeline has weak signal, high cost and single signal, and is not suitable for positioning and monitoring the buried polyethylene pipeline. The prior art means can not meet the actual requirements of engineering, and brings difficulty to the safe operation and maintenance of the polyvinyl chloride buried pipeline.
The water flow exists in the polyvinyl chloride buried pipeline which normally operates, and the circulation of the water flow can generate water sound, and in the existing pipeline technology monitoring means, the water sound is an important reference basis. However, the potential of water flow and water sound has not been fully exploited for pipeline positioning applications.
Therefore, it is necessary to provide an intelligent network system for positioning acoustic flow velocity to solve the above-mentioned problems.
Disclosure of Invention
Therefore, the invention aims to provide an acoustic flow rate positioning intelligent pipe network system which is used for solving the problem that water flow information and position information in a pipeline are not easy to determine in a water conveying and draining pipe network in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides an acoustic flow rate positioning intelligent pipe network system, which comprises a pipeline, wherein a supporting seat is arranged on the inner top wall of the pipeline, an acoustic signal receiver and a guide rail corresponding to the acoustic signal receiver are arranged on the supporting seat, a striking head is slidably arranged on the guide rail, the striking head can slide along the guide rail to strike the acoustic signal receiver to generate an acoustic signal, the striking head is connected with the supporting seat through a spring, a cam is abutted to the side of the striking head far away from the acoustic signal receiver, the cam can be rotated to enable the striking head to slide back and forth along the guide rail, a connecting rod is fixedly connected onto the cam, the connecting rod is connected with a fan blade through a bevel gear set, and the fan blade can rotate through the bevel gear set to enable the connecting rod to rotate; the pipeline is internally provided with a power generation mechanism for generating electric energy through water flow in the pipeline and an energy storage device connected with the power generation mechanism and used for storing electric power, the energy storage device is connected with a signal transmission device, the signal transmission device is connected with an acoustic signal receiver, an acoustic signal generated by the acoustic signal receiver is transmitted to a control terminal through the signal transmission device, and the control terminal is used for processing the acoustic signal to obtain the water flow information in the pipeline.
Further, the pipe network system further includes: install annular mounting bracket in the pipeline, be equipped with a plurality of cross-sections for square first recess and a plurality of cross-section for trapezoidal second recess on the mounting bracket with mounting bracket axle center circumference, first recess and second recess dislocation set, slidable mounting has the butt piece in the first recess, threaded connection has the screw rod on the butt piece, be equipped with first spacing hole on the first recess, the screw rod with first spacing hole is spacing to rotate to be connected, rotates the screw rod can make the butt piece slide in order to make butt piece and pipeline inner wall butt along mounting bracket radial direction, the supporting seat is installed in one of them second recess.
Further, an annular groove is formed in the pipeline, and the abutting block abuts against the inner wall of the annular groove.
Further, be equipped with the air chamber in the butt piece, screw rod one end extends to the indoor rotation of air and is connected with the piston, piston and air chamber inner wall sliding connection, install the gasbag on the butt piece, the air chamber is close to mounting bracket axle center side and gasbag intercommunication.
Further, screw rod one end extends to the inboard fixedly connected with gear of mounting bracket, the mounting bracket inboard rotate install with gear engagement's ring gear rotates the ring gear can make the gear rotate.
Further, the side wall of the second groove is provided with a second limiting hole, the supporting seat is provided with a plurality of connecting holes matched with the second limiting hole, and the connecting holes are connected with the second limiting hole through the connecting piece so that the supporting seat is fixed in the second groove.
Further, the control terminal is provided with an early warning system, and the early warning system is used for generating an early warning signal when the water flow in the pipeline changes beyond a preset value.
The invention has the beneficial effects that:
according to the invention, a user can acquire the flow information and the position information of the pipeline in real time through the control terminal, and the system is provided with a real-time early warning system; when the position of the pipeline is greatly deviated and the flow rate in the pipeline is greatly changed, early warning signals can be generated, so that the safety of the pipeline is monitored in real time.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a schematic view illustrating an installation of a supporting seat according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an acoustic signal receiver according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 2 in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the pipeline according to the embodiment of the invention;
FIG. 6 is a schematic view of a mounting frame according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of an abutment block according to an embodiment of the invention;
fig. 8 is a schematic connection diagram of a support base according to an embodiment of the invention.
The figures are marked as follows: pipe 1, annular groove 101, support 2, guide rail 201, acoustic signal receiver 3, head 4, blade 5, cam 7, connecting rod 701, spring 8, mounting bracket 9, first groove 901, second groove 902, abutment 903, screw 904, first limiting hole 905, air chamber 906, piston 907, air bladder 908, gear 909, toothed ring 910, second limiting hole 911, connecting hole 912, connecting piece 913.
Detailed Description
As shown in fig. 1 to 8, the present invention provides an acoustic flow rate positioning intelligent pipe network system, which includes: the pipeline 1, the supporting seat 2 is arranged on the inner top wall of the pipeline 1, the sound signal receiver 3 and the guide rail 201 corresponding to the sound signal receiver 3 are arranged on the supporting seat 2, the impact head 4 is slidably arranged on the guide rail 201, the impact head 4 can slide along the guide rail 201 to impact the sound signal receiver 3 to generate sound signals, the impact head 4 is connected with the fan blade 5 through the transmission mechanism, the fan blade 5 is arranged close to the bottom wall of the pipeline 1, the water flow in the pipeline 1 can enable the fan blade 5 to rotate so as to drive the impact head 4 to slide along the guide rail 301 through the transmission mechanism,
install the hydraulic turbine in the pipeline 1, the hydraulic turbine is located pipeline 1 and inspection shaft junction, the hydraulic turbine is connected with generating mechanism, generating mechanism is connected with the energy storage device who is used for storing electric power, and the rivers in pipeline 1 can make the hydraulic turbine rotate so that generating mechanism produce electric energy and store the electric energy in energy storage device, energy storage device is connected with signal transmission device, and energy storage device is used for supplying power for signal transmission device, signal transmission device is connected with sound signal receiver 3, and the sound signal that sound signal receiver 3 produced passes through signal transmission device transmission to control terminal, control terminal is used for handling sound signal in order to obtain pipeline 1 interior water flow information, control terminal is equipped with early warning system, when pipeline 1 interior water flow changes and surpasss the default, early warning system can produce early warning signal.
In this scheme, as shown in fig. 1, the fan blade 5 is disposed near the bottom of the pipeline 1 and is not in contact with the inner wall of the pipeline 1, so that when water flows through the pipeline, the water flow can drive the fan blade 5 to rotate, and when the water flow in the pipeline 1 flows through the fan blade 5 and the water turbine, the fan blade 5 rotates to drive the striking head 4 to move along the guide rail 301 through the transmission mechanism so that the striking head 4 strikes the acoustic signal receiver 3 to generate an acoustic signal, and the materials of the striking head 4 include, but are not limited to, any solid anti-corrosion materials capable of generating an acoustic signal with the acoustic signal receiver 3, such as stainless steel; the shape of the striking head 4 is hemispherical, and the arcuate surface is disposed proximate to the acoustic signal receiver 3, the acoustic signal receiver 3 including, but not limited to, any acoustic emission probe that can generate an acoustic signal by impact, such as an acoustic emission probe based on piezoelectric ceramic sensing technology; the hydraulic turbine work makes the generating mechanism produce electric power to store the electric power through energy memory in order to supply power for signal transmission device, the acoustic signal that acoustic signal receiver 3 takes place passes through signal transmission device and transmits to control terminal, and control terminal obtains pipeline 1 interior water flow information after handling acoustic signal, in order to realize the monitoring to pipeline 1 interior water flow.
In one embodiment of the invention, the transmission mechanism comprises: a cam 7 abutting against the side wall of the striking head 4 far away from the acoustic signal receiver 3, a connecting rod 701 is fixedly connected to the cam 7, a spring 8 connected with the supporting seat 2 is arranged on the side of the striking head 4 far away from the acoustic signal receiver 3, the connecting rod 701 is connected with the fan blades 5 through a bevel gear set, the fan blades 5 rotate to enable the connecting rod 701 to rotate through the bevel gear set, so that the cam 7 rotates,
in this scheme, as shown in fig. 3, when the fan blade 5 rotates, the connecting rod 701 is rotated through the bevel gear set, so that the cam 7 rotates, under the action of the spring 8, the cam 7 always keeps abutting against the impact head 4, the impact head 4 is fixedly connected with a connecting plate according to actual conditions, the cam 7 abuts against the connecting plate, the cam 7 rotates to drive the connecting plate to move, so that the impact head 4 slides reciprocally along the guide rail 201, when the cam 7 rotates to enable the impact head 4 to move to the limit position, the impact head 4 can impact the acoustic signal receiver 3 to generate an acoustic signal, because the water flow in the pipeline 1 is in a continuous flow state, the impact head 4 continuously impacts the acoustic signal receiver 3 when sliding reciprocally, when the water flow speed is fast, the fan blade 5 rotates, namely the impact head 4 impacts the acoustic signal receiver 3 at a high frequency, otherwise, the fan blade 5 rotates at a low frequency, the acoustic signal frequency is processed through the control terminal, and the flow speed of the water flow can be judged according to the acoustic signal emission frequency of the acoustic signal receiver 3; the connecting rod 701 can be a telescopic rod, and the telescopic rod is provided with a locking piece at a telescopic back stop position, and the distance between the fan blade 5 and the inner bottom wall of the pipeline 1 can be adjusted by arranging the connecting rod 701 as the telescopic rod, so that the pipeline 1 with different inner diameters is adapted.
In one embodiment of the present invention, the pipe network system further comprises: install annular mounting bracket 9 in pipeline 1, be equipped with a plurality of cross-sections square first recess 901 and a plurality of cross-section trapezoidal second recess 902 with mounting bracket 9 axle center circumference on the mounting bracket 9, first recess 901 with the cross-section dislocation set of second recess 902, slidable mounting has the butt piece 903 in the first recess 901, threaded connection has screw 904 on the butt piece 903, be equipped with first spacing hole 905 on the first recess 901, screw 904 with first spacing hole 905 spacing rotation is connected, rotates screw 904 can make butt piece 903 slide in order to make butt piece and pipeline 1 inner wall butt along mounting bracket 9 radial direction, supporting seat 2 installs in one of them second recess 902, and the cross-section shape cooperation of supporting seat 2 and second recess 902, and supporting seat 2 can slide along mounting bracket 9 axis direction in the second recess 902.
In this scheme, as shown in fig. 5, the abutting block 903 slides along the radial direction of the mounting frame 9 by rotating the screw 904, so that the abutting block 903 abuts against the inner wall of the pipeline 1 to adapt to pipelines 1 with different inner diameters; the supporting seat 2 is slidably arranged in the second groove 902, and the section of the second groove 902 is trapezoidal, so that the supporting seat 2 can be limited, the supporting seat 2 can only slide in the second groove 902 along the axial direction of the mounting frame 9, and the supporting seat 2 is convenient to mount and dismount; wherein, a cavity is arranged in the supporting seat 2, the guide rail 201 is a chute arranged on the inner wall of the cavity, and the cam 7 is rotationally connected in the cavity; by providing the first recess 901 and the second recess 902, as shown in fig. 6, the area of the mounting bracket 9 is reduced, facilitating the passage of water flow within the pipe 1.
In one embodiment of the present invention, an annular groove 101 is provided in the pipe 1, and the abutment block 903 abuts against the inner wall of the annular groove 101.
In this scheme, set up ring channel 101 in pipeline 1, mounting bracket 9 installs the position that corresponds ring channel 101, moves mounting bracket 9 to ring channel 101 department after, rotates screw 904 and makes butt piece 903 butt in the ring channel 101 inner wall, carries out spacingly to mounting bracket 9 through ring channel 101, avoids the displacement of mounting bracket 9 that the rivers are impacted in pipeline 1 to cause, has guaranteed the stability of supporting seat 2 and the flabellum 5 that is connected with supporting seat 2.
In one embodiment of the present invention, an air chamber 906 is disposed in the abutting block 903, one end of the screw rod 904 extends to the air chamber 906 and is rotatably connected with a piston 907, the piston 907 is slidably connected with the inner wall of the air chamber 906, an air bag 908 is mounted on the abutting block 903, and the air chamber 906 is communicated with the air bag 908 near the axial side of the mounting frame 9.
In this embodiment, as shown in fig. 7, in the initial state, the piston 907 abuts against the air chamber 906 at a position far away from the axis of the mounting frame 9, and the screw 904 is rotated to drive the abutting block 903 to slide at a position far away from the axis of the mounting frame 9, so that the sliding direction of the piston 907 in the air chamber 906 is a direction near the axis of the mounting frame 9, and the piston 907 presses the air in the air chamber 906 into the air bag 908, so that the air bag 908 is inflated to abut against the inner wall of the annular groove 101.
In the scheme, the air bag 908 is expanded to tightly lean against the inner wall of the annular groove 101 by rotating the screw 904, so that the stability of the abutting block 903 in the annular groove 101 is ensured, and when the abutting block 903 returns by rotating the screw 904, the air in the air bag 908 is retracted into the air chamber 906.
In one embodiment of the present invention, a gear 909 is fixedly connected to one end of the screw 904 extending to the inner side of the mounting frame 9, a toothed ring 910 meshed with the gear 909 is rotatably mounted on the inner side of the mounting frame 9, and rotating the toothed ring 910 can rotate the gear 909.
In this embodiment, as shown in fig. 5, by rotating the toothed ring 910, the plurality of gears 909 are rotated synchronously, so that the plurality of screws 904 are rotated synchronously, and the abutting blocks 903 are slid synchronously to abut against the inner wall of the annular groove 101; the operation convenience is improved, and the sliding synchronism of the abutting block 903 and the stability of abutting against the inner wall of the annular groove 101 are ensured.
In one embodiment of the present invention, the side wall of the second recess 902 is provided with a second limiting hole 911, the supporting seat 2 is provided with a plurality of connecting holes 912 matching with the second limiting hole 911, and the connecting holes 912 and the second limiting holes 911 are connected through connecting pieces 913 so as to fix the supporting seat 2 in the second recess 902.
In this scheme, as shown in fig. 8, the second limiting hole 911 may be any one of a threaded hole and a round hole, the connecting piece 913 may be any one of a bolt and an anchor rod, where, when the second limiting hole 911 is a threaded hole, the connecting piece 913 is a bolt matched with the second limiting hole 911, when the second limiting hole 911 is a round hole, the connecting piece 913 is an anchor rod matched with the round hole, and when the connecting piece 913 penetrates through the second limiting hole 911 to be matched with the connecting hole 912, the supporting seat 2 is limited to slide, so that the supporting seat 2 is fixed in the second groove 902, a plurality of connecting holes 912 are arranged side by side on the supporting seat 2, when the supporting seat 2 is installed, the supporting seat 2 is connected through the connecting piece 913 after the supporting seat 2 is slid to one of the connecting holes 912 and the second limiting hole 911, and the displacement of the supporting seat 2 along the axial direction of the mounting frame 9 can be adjusted according to the position of the connecting hole 912 corresponding to the second limiting hole 911, thereby adjusting the position of the fan blade 5, and improving the applicability of the device.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (2)

1. An acoustic velocity of flow location wisdom pipe network system, includes pipeline, its characterized in that: the inner top wall of the pipeline is provided with a supporting seat, the supporting seat is provided with an acoustic signal receiver and a guide rail corresponding to the acoustic signal receiver, the guide rail is provided with a striking head in a sliding manner, the striking head can slide along the guide rail to strike the acoustic signal receiver to generate an acoustic signal, the striking head is connected with the supporting seat through a spring, the side, away from the acoustic signal receiver, of the striking head is abutted to a cam, the cam is rotated to enable the striking head to slide back and forth along the guide rail, the cam is fixedly connected with a connecting rod, the connecting rod is connected with fan blades through a bevel gear set, and the fan blades can rotate through the bevel gear set to enable the connecting rod to rotate so as to enable the cam to rotate; the pipeline is internally provided with a power generation mechanism for generating electric energy through water flow in the pipeline and an energy storage device connected with the power generation mechanism and used for storing electric power, the energy storage device is connected with a signal transmission device, the signal transmission device is connected with an acoustic signal receiver, an acoustic signal generated by the acoustic signal receiver is transmitted to a control terminal through the signal transmission device, and the control terminal is used for processing the acoustic signal to obtain the water flow information in the pipeline;
the pipe network system further comprises: the annular mounting frame is arranged in the pipeline, a plurality of first grooves with square sections and a plurality of second grooves with trapezoid sections are circumferentially arranged on the mounting frame in the axis of the mounting frame, the first grooves and the second grooves are arranged in a staggered mode, an abutting block is arranged in the first grooves in a sliding mode, a screw is connected to the abutting block in a threaded mode, a first limiting hole is formed in the first grooves, the screw is in limiting rotary connection with the first limiting hole, the screw is rotated to enable the abutting block to slide along the radial direction of the mounting frame so that the abutting block abuts against the inner wall of the pipeline, and the supporting seat is arranged in one of the second grooves;
an annular groove is formed in the pipeline, and the abutting block abuts against the inner wall of the annular groove;
an air chamber is arranged in the abutting block, one end of the screw rod extends into the air chamber and is rotationally connected with a piston, the piston is in sliding connection with the inner wall of the air chamber, an air bag is arranged on the abutting block, and the air chamber is communicated with the air bag near the axis side of the mounting frame;
one end of the screw extends to the inner side of the mounting frame and is fixedly connected with a gear, a toothed ring meshed with the gear is rotatably arranged on the inner side of the mounting frame, and the gear can be rotated by rotating the toothed ring;
the side wall of the second groove is provided with a second limiting hole, the supporting seat is provided with a plurality of connecting holes matched with the second limiting hole, and the connecting holes are connected with the second limiting hole through connecting pieces so that the supporting seat is fixed in the second groove.
2. The acoustic flow rate location intelligent pipe network system of claim 1, wherein: the control terminal is provided with an early warning system, and the early warning system is used for generating an early warning signal when the water flow in the pipeline changes beyond a preset value.
CN202311295857.6A 2023-10-09 2023-10-09 Acoustic flow velocity positioning intelligent pipe network system Active CN117028875B (en)

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CN117330140B (en) * 2023-12-01 2024-03-08 山东省林业科学研究院 Monitoring and measuring device for flow of wetland water channel

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