CN114777029A - A leak detection device for water supply pipe network based on the Internet of Things - Google Patents

Abstract

The invention discloses a leakage detection device for a water supply pipe network based on the Internet of Things, which includes a wireless communication device. Communication cables are respectively installed at both ends of the wireless communication device. An annular detector is installed at one end, a connecting pipe is fixedly inserted on each of the annular detectors, a core column is fixedly installed in each of the connecting pipes, and a ball core is rotatably installed in each of the core columns. Each of the core columns is provided with a circulation hole, and each of the spherical cores is provided with a control hole. The invention realizes leakage detection by utilizing the water pressure difference on both sides of the leakage of the pipeline, realizes self-power supply by utilizing the water flow power in the pipeline, and realizes the timely shut-off function of leakage by utilizing the self-powered energy, and realizes the function of timely shut-off of leakage by utilizing the method of segmented wireless transmission. The comprehensive inspection of the water supply network makes the inspection more accurate and comprehensive, the use is more reliable, the scope of application is wider, and it is more energy-saving and environmentally friendly.

Description

A leak detection device for water supply pipe network based on the Internet of Things

technical field

The invention relates to the field of intelligent water supply pipe network, in particular to a leak detection device for water supply pipe network based on the Internet of Things.

Background technique

The leakage detection of the existing water supply pipe network usually adopts the method of manual active detection, that is, the water supply pipe network is manually inspected on a regular basis or when a water supply problem occurs, or the water supply pipe network is actively detected by sensor equipment, etc., but the water supply pipe network is comprehensive. The amount of inspection work is large and time-consuming, and the location of leakage cannot be detected in time, resulting in wasted water in the leakage area.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the shortcomings in the prior art that the active inspection is not convenient enough and the leakage position cannot be detected in time, which easily leads to a lot of water waste in the leakage area, and proposes a water supply pipe based on the Internet of Things. Net leakage detection device.

In order to achieve the above object, the present invention adopts the following technical solutions:

A leakage detection device for water supply pipe network based on the Internet of Things, comprising a wireless communicator, two ends of the wireless communicator are respectively installed with communication cables, and one end of each of the communication cables away from the wireless communicator is installed with Ring-shaped detectors, each of the ring-shaped detectors is fixedly inserted with a connecting pipe, each of the connecting pipes is fixedly installed with a core column, each of the core columns is rotatably installed with a ball core, and each of the The core column is provided with a circulation hole, each of the spherical core is provided with a control hole, each of the circulation holes is communicated and aligned with the corresponding control hole, and the inner wall of each of the annular detectors A pressure measuring tank is installed, a pressure sensor is installed on the side wall of each pressure measuring tank, and a control tube shaft is fixed and sealed on each of the spherical cores. One end of the shaft away from the ball core extends into the corresponding annular detector through the side wall of the core column and the connecting tube, and is sealed and rotated at the bottom of the pressure measuring tank, and one end of each of the control tube shafts is away from the pressure measuring tank. They are all communicated with the corresponding control holes.

Preferably, a control gear is fixedly installed on a section of each of the control tube shafts located in the annular detector, a drive motor is installed on the inner wall of each of the annular detectors, and a crankshaft of each of the drive motors is installed A drive gear is installed, and each of the drive gears cooperates with a corresponding control gear.

Preferably, a plurality of sealing tube sleeves are symmetrically fixed and sealed on the side wall of each connecting tube, and two ends of each sealing tube sleeve respectively extend to the inside of the connecting tube and the inside of the annular detector. , the two coaxially symmetrical sealing tube sleeves are jointly sealed and rotated, inserted and installed with a power shaft, and a power impeller is installed on each of the power shafts.

Preferably, each of the power impellers is centrally installed on the corresponding power shaft, the distance between the two power shafts on the same side is greater than the diameter of the corresponding flow hole, and the diameter of each flow hole is Greater than the distance between two power impellers symmetrical on the same side.

Preferably, a plurality of generators are symmetrically and fixedly installed on the inner wall of each of the annular detectors, and both ends of each of the power shafts extend into the annular detector and are fixedly connected with the crankshaft of the corresponding generator.

Preferably, a control motherboard and an arc-shaped battery are respectively installed on the inner wall of each of the annular detectors, and two communication connectors are symmetrically and fixedly inserted on the outer sidewall of each of the annular detectors. One of the communication joints on the ring detector is connected to one of the communication cables on the wireless communicator, each of the control mainboards is electrically connected to the corresponding pressure sensor and the drive motor, and each of the control mainboards is electrically connected to the corresponding pressure sensor and the drive motor. The corresponding arc-shaped batteries are electrically connected, and each of the control motherboards is electrically connected to a corresponding plurality of generators.

The beneficial effects of the invention are as follows: the leakage detection is realized by utilizing the water pressure difference on both sides of the leakage of the pipeline; the self-power supply is realized by utilizing the water flow in the pipeline; The method realizes the comprehensive detection of the water supply pipe network, making the detection more accurate and comprehensive, the use more reliable, the application scope wider, and the energy saving and environmental protection.

Description of drawings

1 is a schematic structural diagram of a device for detecting leakage of water supply pipe network based on the Internet of Things proposed by the present invention;

FIG. 2 is an enlarged view of a connecting pipe part of a water supply pipe network leakage detection device based on the Internet of Things proposed by the present invention;

3 is a side cross-sectional view of a connecting pipe of a water supply pipe network leakage detection device based on the Internet of Things proposed by the present invention;

FIG. 4 is an enlarged view of part A in FIG. 2 .

In the picture: 1 wireless communication device, 11 communication cable, 2 ring detector, 21 control board, 22 communication connector, 23 arc battery, 24 generator, 3 connecting pipe, 31 sealing tube sleeve, 4 core column, 41 circulation Holes, 5 ball cores, 51 control holes, 6 power shafts, 61 power impellers, 7 control tube shafts, 71 control gears, 8 pressure measuring tanks, 81 pressure sensors, 9 drive motors, 91 drive gears.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

1-4, an IoT-based water supply pipe network leakage detection device includes a wireless communication device 1, and communication cables 11 are respectively installed at both ends of the wireless communication device 1, and each communication cable 11 is far away from the wireless communication device. One end of the detector 1 is installed with a ring detector 2, each ring detector 2 is fixedly inserted with a connecting pipe 3, each connecting pipe 3 is fixedly installed with a core column 4, and each core column 4 rotates inside. The ball core 5 is installed, each core column 4 is provided with a circulation hole 41, each ball core 5 is provided with a control hole 51, and each circulation hole 41 is communicated and aligned with the corresponding control hole 51. A pressure measuring tank 8 is installed on the inner wall of each of the annular detectors 2, a pressure sensor 81 is sealed and inserted on the side wall of each pressure measuring tank 8, and a control tube is fixed and sealed on each ball core 5. Shaft 7, one end of each control tube shaft 7 away from the ball core 5 extends through the side wall of the core column 4 and the connecting tube 3 into the corresponding annular detector 2 and is sealed and rotated and inserted at the bottom of the pressure measuring tank 8, One end of each control pipe shaft 7 away from the pressure measuring tank 8 communicates with the corresponding control hole 51 .

The annular detector 2 is used to detect the water flow pressure in the connecting pipe 3, and the connecting pipe 3 is used to connect the complex water supply pipe network in sections, so that the multiple wireless communicators 1 and the multiple connecting pipes 3 can realize the comprehensive coverage of the water supply pipe network. , to realize the function of comprehensive leakage detection of the water supply pipe network, and the leakage data is sent wirelessly through the wireless communication device 1, which reduces the difficulty of wiring the communication network, and can make the layout of the water supply pipe network more flexible, and is also suitable for existing water supply pipes. Network upgrade and transformation to increase its scope of application;

A section of pipeline in the water supply network is connected to two connecting pipes 3, and the two connecting pipes 3 are connected by the wireless communicator 1 and the communication cable 11 to establish near-field wired communication and power supply, so as to avoid mutual interference between various wireless signals, more reliable to use;

When the water flow in a section of the water supply pipe network passes through the two connecting pipes 3, the water flow flows through the flow hole 41 and the control hole 51, then part of the water flow enters the pressure measuring tank 8 of the annular detector 2 through the control pipe shaft 7, then The pressure sensor 81 can detect the water pressure in the pressure measuring tank 8, and the pressure value detected by the pressure sensor 81 is transmitted to the external control station server through the wireless communication device 1. At this time, the pressure difference detected by the two adjacent pressure sensors 81 tends to Constant, when there is leakage in this section of the pipeline, the flow of water flowing out of the connecting pipe 3 at one end of this section of the pipeline will decrease, so that the water pressure in the connecting pipe 3 at this end will drop, and the pressure will be measured at this end. When the water pressure in the tank 8 decreases, the pressure difference detected by the two pressure sensors 81 increases, and the external control station server can quickly locate the pipeline with leakage problem by analyzing the pressure difference value, which is convenient to quickly find and determine the leakage. location, smarter and more convenient;

In the subsequent pipe network of a section of pipeline with problems in the water supply network, due to the drop in the pressure at the outlet end of the section of pipeline with problems, the water pressure of the subsequent pipe network will drop, and the pressure of the water flow in the connecting pipe 3 flowing through the subsequent pipe network For supplying the leaky pipeline, the water pressure in each connecting pipe 3 will decrease, and the pressure value detected by each pressure sensor 81 will decrease, but the difference between the pressure values detected by the adjacent two pressure sensors 81 will remain unchanged. , then the pressure difference of the subsequent non-leakage pipelines is analyzed as normal and non-leakage, that is, multiple false alarms can be avoided, and the actual leakage position cannot be determined, and the use is more reliable.

Preferably, a control gear 71 is fixedly installed on a section of each control tube shaft 7 inside the annular detector 2 , a drive motor 9 is installed on the inner wall of each annular detector 2 , and a crankshaft of each drive motor 9 is installed Drive gears 91 are mounted thereon, and each drive gear 91 cooperates with the corresponding control gear 71 .

The rotation of the drive motor 9 can drive the control tube shaft 7 to rotate through the drive gear 91 and the control gear 71, so that the control tube shaft 7 can drive the ball core 5 to rotate, so that the control hole 51 on the ball core 5 is vertically sealed with the flow hole 41, then When leakage occurs, the connecting pipe 3 can be controlled to be closed in time, so as to avoid a large amount of water leakage and waste, which is more environmentally friendly and reliable.

A plurality of sealing tube sleeves 31 are symmetrically fixed and sealed on the side wall of each connecting tube 3. The two ends of each sealing tube sleeve 31 extend to the inside of the connecting tube 3 and the inside of the annular detector 2 respectively. The two axially symmetric sealing sleeves 31 are jointly sealed and rotated and installed with a power shaft 6, each power shaft 6 is installed with a power impeller 61, and a plurality of generators are symmetrically and fixedly installed on the inner wall of each annular detector 2. In the generator 24 , both ends of each power shaft 6 extend into the annular detector 2 and are fixedly connected with the shaft of the corresponding generator 24 .

When the water flows through the connecting pipe 3, the power of the water flow drives the power impeller 61 to rotate, so that the power shaft 6 rotates and drives the crankshaft of the generator 24 to rotate, so that the generator 24 can generate electric energy, that is, the function of self-power supply can be realized, without the need for External grid power supply can not only reduce energy consumption, but also reduce the difficulty of line layout, and can avoid the laying of a large number of transmission circuits affecting the quality of wireless communication.

Each power impeller 61 is centrally mounted on the corresponding power shaft 6 , the distance between the two power shafts 6 on the same side is larger than the diameter of the corresponding flow hole 41 , and the diameter of each flow hole 41 is larger than the symmetry on the same side The distance between the two power impellers 61.

When the water flows in the connecting pipe 3, the flow hole 41 restricts the water flow to only flow out from the middle of the connecting pipe 3, so that the water flow can only flow through one side of the power impeller 61, so that the water flow continues to impact one side of the power impeller 61, Then, the power impeller 61 can drive the power shaft 6 to rotate in a directional direction, so that the electric energy generated by the generator 24 is more stable, and the power generation efficiency of the generator 24 is improved.

A control motherboard 21 and an arc-shaped battery 23 are respectively installed on the inner wall of each annular detector 2, and two communication connectors 22 are symmetrically and fixedly inserted on the outer wall of each annular detector 2. Each annular detector 2 One of the communication connectors 22 on the wireless communicator 1 is connected to one of the communication cables 11 on the wireless communicator 1, each control main board 21 is electrically connected to the corresponding pressure sensor 81 and the drive motor 9, and each control main board 21 is connected to the The corresponding arc-shaped batteries 23 are electrically connected, and each control main board 21 is electrically connected with a corresponding plurality of generators 24 .

The control main board 21 transmits the pressure signal to the wireless communicator 1 by wire through the communication connector 22 and the communication cable 11, and the wireless communicator 1 wirelessly transmits the adjacent two pressure signals to the control station server, and the control station server processes the pressure difference value analysis In the case of leakage, if there is leakage, the control station server wirelessly transmits the shutdown signal to the wireless communicator 1, and the wireless communicator 1 transmits the shutdown signal to the two control boards 21 by wire, and the two control boards 21 control the drive motors 9. Start, rotate the control tube shaft 7 through the driving gear 91 and the control gear 71, so that the control tube shaft 7 rotates the ball core 5 to close the connecting tube 3.

When the present invention is in use, every two connecting pipes 3 are installed in the water supply pipe network at a certain distance, and two adjacent connecting pipes 3 are connected to the same wireless communication through the communication joint 22 of the annular detector 2 and the communication cable 11 device 1;

The water flow in the water supply pipeline impacts the power impeller 61, so that the power impeller 61 drives the power shaft 6 to rotate, then the power shaft 6 drives the crankshaft of the generator 24 to rotate to generate electric energy, and the generated electric energy is processed by the control main board 21 and then input to the arc battery 23, and the electric energy stored in the arc battery 23 and the electric energy generated by the generator 24 are processed by the control main board 21 and used for the pressure sensor 81, the drive motor 9 and the wireless communicator 1;

When the water flows through the connecting pipe 3, the water flows out along the flow hole 41 and the control hole 51, then part of the water flow enters the pressure measuring tank 8 through the control pipe shaft 7, so that the pressure in the pressure measuring tank 8 rises, and the pressure sensor 81 detects the pressure value, and the pressure difference in the adjacent two connecting pipes 3 is constant, then the detected pressure difference between the two adjacent pressure sensors 81 is constant, and the control motherboard 21 sends the pressure value to the control station server through the wireless communicator 1 for comparison. analyze;

When a section of pipeline is leaked, the pressure at the water outlet end of this section of pipeline will drop, so that the water pressure in the connecting pipe 3 at this end will drop, and the pressure in the pressure measuring tank 8 will drop, causing the pressure sensor 81 at this end to drop. When the detected pressure value decreases, after the pressure signal is sent to the control station server, the control station server analyzes that the pressure difference increases, indicating that there is leakage in this section of the pipeline, and then sends a shutdown signal to the corresponding wireless communicator 1, so that the wireless The communicator 1 transmits the shutdown signal to the control board 21, and the control board 21 controls the drive motor 9 so that the drive gear 91 drives the control gear 71 to rotate, so that the control tube shaft 7 drives the ball core 5 to rotate, so that the control hole 51 and the flow hole 41 are rotated. The vertical sealing makes the corresponding connecting pipe 3 shut off, avoids water waste, and can quickly locate the position of the leaked pipe, which is convenient for quick maintenance.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (6)

1. A leak detection device for a water supply pipe network based on the Internet of Things, comprising a wireless communicator (1), characterized in that a communication cable (11) is installed at both ends of the wireless communicator (1), and each An annular detector (2) is installed at one end of each of the communication cables (11) away from the wireless communicator (1), and a connecting tube (3) is fixedly inserted on each of the annular detectors (2). A core column (4) is fixedly installed in each of the connecting pipes (3), a ball core (5) is rotatably installed in each of the core columns (4), and each of the core columns (4) is mounted on the core column (4). A circulation hole (41) is formed therethrough, each of the ball cores (5) is provided with a control hole (51), and each of the circulation holes (41) is communicated and aligned with the corresponding control hole (51). , a pressure measuring tank (8) is installed on the inner wall of each said annular detector (2), and a pressure sensor (81) is installed on the side wall of each said pressure measuring tank (8) in a sealed insert, A control tube shaft (7) is fixed and sealed on each of the ball cores (5), and one end of each of the control tube shafts (7) away from the ball core (5) passes through the stem (4) and The side wall of the connecting pipe (3) extends into the corresponding annular detector (2) and is sealed and rotatably inserted at the bottom of the pressure measuring tank (8). ) are all communicated with the corresponding control holes (51). 2 . The device for detecting leakage of water supply pipe network based on the Internet of Things according to claim 1 , wherein a section of each of the control pipe shafts ( 7 ) located in the annular detector ( 2 ) is fixedly installed. 3 . There is a control gear (71), a drive motor (9) is installed on the inner wall of each of the annular detectors (2), and a drive gear (91) is installed on the shaft of each of the drive motors (9) , each of the drive gears (91) cooperates with the corresponding control gears (71). 3. A device for detecting leakage of water supply pipe network based on the Internet of Things according to claim 2, characterized in that, on the side wall of each connecting pipe (3), a plurality of A sealing tube sleeve (31), two ends of each said sealing tube sleeve (31) respectively extend to the interior of the connecting tube (3) and the interior of the annular detector (2), two coaxially symmetrical sealing tubes The sleeves (31) are jointly sealed and rotated and installed with a power shaft (6), and a power impeller (61) is installed on each of the power shafts (6). 4. The device for detecting leakage of water supply pipe network based on the Internet of Things according to claim 3, wherein each of the power impellers (61) is centrally installed on the corresponding power shaft (6), and the same The distance between the two power shafts (6) on the side is larger than the diameter of the corresponding flow hole (41), and the diameter of each flow hole (41) is larger than the two power impellers (61) symmetrical on the same side )the distance between. 5. A device for detecting leakage of water supply pipe network based on the Internet of Things according to claim 3, characterized in that, a plurality of generators (24) are symmetrically and fixedly installed on the inner wall of each of the annular detectors (2). ), both ends of each of the power shafts (6) extend into the annular detector (2) and are fixedly connected with the crankshaft of the corresponding generator (24). 6. The device for detecting leakage of water supply pipe network based on the Internet of Things according to claim 5, characterized in that, a control main board (21) and a control board (21) and a control board (21) and An arc-shaped battery (23), two communication connectors (22) are symmetrically and fixedly inserted on the outer side wall of each of the annular detectors (2), and one of the communication connectors (22) on each of the annular detectors (2) communicates with each other. The connector (22) is connected to one of the communication cables (11) on the wireless communicator (1), and each of the control motherboards (21) is electrically connected to the corresponding pressure sensor (81) and the drive motor (9) respectively Each of the control mainboards (21) is electrically connected to the corresponding arc-shaped battery (23), and each of the control mainboards (21) is electrically connected to the corresponding plurality of generators (24).

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