Iot water meter with pressure measurement function

Abstract

The application relates to the technical field of water meters, and particularly discloses an Internet of Things water meter with a pressure measuring function, which comprises a water meter main body, the bottom end of the water meter main body is fixedly connected with a conduit, the outer surface of the conduit is provided with a filtering assembly, one side of the conduit is provided with a pressure measuring assembly, and the filtering assembly comprises a filtering box. The filtering assembly can timely intercept impurities in water, prevents the impurities from entering the water meter and affecting the metering accuracy, ensures that water data is accurate and reliable, can automatically clean the filter screen, reduces the frequency and cost of manual cleaning, the pressure measuring assembly can buffer when the pressure in the conduit is relatively large, has a double buffering effect, the application can timely issue an alarm during the buffering process, and can continuously buffer when the alarm is issued, provides time for maintenance for workers, prevents the best period of conduit maintenance from being missed, and reduces the maintenance cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water meters, and specifically discloses an Internet of Things water meter with pressure measurement function. BACKGROUND

[0002] The Internet of Things water meter is a new generation of water management equipment that combines Internet of Things technology and intelligent metering technology. Compared with traditional water meters, the Internet of Things water meter has the following advantages: remote meter reading is supported, avoiding manual door-to-door service, improving efficiency and reducing costs; users or management departments can be notified in a timely manner to reduce water resource waste; users can also check water consumption details at any time through a mobile phone APP or a web page to reasonably plan water consumption. However, the existing Internet of Things water meter still has the following problems in specific use:

[0003] 1. Although the existing Internet of Things water meter has a filtering mechanism, the filtering mechanism cannot be automatically cleaned, which causes impurities to adhere to the outer surface of the filter screen in the water pipe and then causes blockage. The accumulation of impurities narrows the water flow channel, and under the same flow, the water flow rate increases, which may cause the water meter to measure too fast, resulting in economic losses for users. Long-term blockage will also accelerate the aging of the pipeline and equipment, increase maintenance costs, and even cause the water meter to fail.

[0004] 2. The pipeline of the existing Internet of Things water meter does not have a pressure buffering effect. Pipeline pressure is a key parameter that reflects the health status of the water supply pipe. Long-term high-pressure operation of the pipeline will accelerate the aging of the pipeline, which may cause pipeline leakage, pipe explosion or equipment failure. In addition, when the pipeline is in a high-pressure state, it cannot be detected in time, which will cause the best period for pipeline maintenance to be missed, increasing maintenance costs. SUMMARY

[0005] In view of the above problems in the prior art, the present application provides an Internet of Things water meter with pressure measurement function to solve the problems that the filtering mechanism of the existing Internet of Things water meter cannot be automatically cleaned, which causes impurities to adhere to the outer surface of the filter screen in the water pipe and then causes blockage, and the pipeline of the existing Internet of Things water meter does not have a pressure buffering effect, and long-term high-pressure operation will accelerate the aging of the pipeline, which may cause pipeline leakage, pipe explosion or equipment failure.

[0006] The technical scheme adopted by the present application to solve its technical problems is as follows:

[0007] The Internet of Things water meter with pressure measurement function comprises a water meter main body, a conduit fixedly connected to the bottom end of the water meter main body, a filtering assembly arranged on the outer surface of the conduit, and a pressure measurement assembly arranged on one side of the conduit.

[0008] The filter assembly comprises a filter box, a fixed strip is fixedly installed on the inner wall of the conduit, a driving impeller is rotationally arranged in the inner cavity of the conduit, a rotating rod is rotationally connected to the side of the fixed strip close to the filter box, the driving impeller is fixedly connected with the rotating rod, a first filter mechanism is arranged in the middle of the inner cavity of the filter box, a second filter mechanism is arranged on the side of the inner cavity of the filter box close to the water meter body, and cleaning mechanisms are arranged on the sides of the first filter mechanism and the second filter mechanism away from the water meter body.

[0009] Further, the first filter mechanism comprises a floating frame, a first filter screen is fixedly installed on the inner wall of the floating frame, first sliding rods are fixedly connected to the two sides of the bottom end of the floating frame, first springs are sleeved on the outer surfaces of the two groups of first sliding rods, two groups of fixed blocks are fixedly installed at the bottom end of the inner cavity of the filter box, and the two groups of fixed blocks are respectively sleeved on the outer surfaces of the two groups of first sliding rods, the floating frame and the filter box are slidingly connected, the first sliding rods and the fixed blocks are slidingly connected, the first springs are fixedly connected between the floating frame and the fixed blocks, and a plurality of first filter holes are uniformly and intervally formed in the first filter screen.

[0010] Further, the second filter mechanism comprises a connecting ring, a second filter screen is slidingly connected to the inner wall of the connecting ring, a first connecting rod is fixedly installed on one side of the connecting ring, a second spring is sleeved on the outer surface of the first connecting rod, a pressure ring is fixedly connected to the side of the second filter screen close to the floating frame, a plurality of protrusions are fixedly installed on the side of the pressure ring away from the second filter screen, a rotating sleeve is fixedly connected to the outer surface of the rotating rod and located between the floating frame and the connecting ring, an extrusion rod is fixedly connected to one end of the rotating sleeve away from the rotating rod, and a rolling ball is rotationally connected to the end of the extrusion rod away from the rotating sleeve.

[0011] Further, the second filter screen and the first connecting rod are slidingly connected, the two ends of the protrusions and the side of the pressure ring away from the second filter screen are located in the same plane, the second spring is fixedly connected between the second filter screen and the inner wall of the filter box, the rolling ball is closely attached to the side of the pressure ring away from the second filter screen, the connecting ring and the inner wall of the filter box are fixedly connected, a plurality of second filter holes are uniformly and intervally formed in the second filter screen, and the diameters of the second filter holes are smaller than those of the first filter holes.

[0012] Further, the cleaning mechanism comprises a limiting ring, a rotating strip is rotatably connected to the outer wall of the limiting ring, a cleaning brush is fixedly arranged on the outer wall of the rotating strip, a limiting strip is fixedly installed on the outer surface of the rotating rod, the limiting strip and the rotating strip are slidingly connected, and the limiting strip and the limiting ring are not in contact, two groups of the limiting rings are fixedly connected to the middle parts of the first filter screen and the second filter screen respectively, and two groups of the cleaning brushes are in contact with the first filter screen and the second filter screen respectively, the rotating rod is not in contact with the first filter screen and the second filter screen, and the length of the cleaning brush on the second filter screen is smaller than that of the cleaning brush on the first filter screen.

[0013] Further, the pressure measuring assembly comprises a connecting pipe, the connecting pipe and the catheter are fixedly connected, a plurality of first communication holes are formed in the outer surface of the connecting pipe away from the catheter, a piston ring is slidingly connected in the inner cavity of the connecting pipe, a plurality of second communication holes are formed in the outer surface of the piston ring, and the plurality of second communication holes and the inner cavity of the catheter are in communication, a first buffer mechanism and an alarm mechanism are arranged at one end of the connecting pipe away from the catheter, a second buffer mechanism is arranged on the side of the outer surface of the connecting pipe away from the catheter, a plurality of second limiting rods are fixedly connected in the inner cavity of the connecting pipe, and the piston ring and the plurality of second limiting rods are slidingly connected.

[0014] Further, the first buffer mechanism comprises a second connecting rod, the second connecting rod penetrates through one end of the connecting pipe away from the catheter and is fixedly connected with the piston ring, and the second connecting rod and the connecting pipe are slidingly connected, a measuring device is fixedly connected to one end of the second connecting rod away from the piston ring, pressure cylinders are rotatably connected to both ends of the measuring device, a plurality of first limiting rods are fixedly connected to one end of the connecting pipe away from the catheter, a moving frame is slidingly connected to the outer surfaces of the plurality of first limiting rods, a plurality of buffer rods are slidingly connected in the inner cavities of both ends of the moving frame, third springs are sleeved on the outer surfaces of the buffer rods, buffer blocks are fixedly connected to one end of the buffer rods close to the measuring device, the third springs are fixedly connected between the inner wall of the moving frame and the buffer blocks, one side of the buffer block close to the measuring device is an inclined surface, the pressure cylinders and the inclined surface of the buffer block are in contact, a pressure sensor is arranged in the inner cavity of the piston ring, and the pressure sensor and the measuring device are electrically connected.

[0015] Further, the alarm mechanism comprises a connecting block fixedly connected with the connecting pipe away from one end of the catheter, a limiting block fixedly installed on the inner wall of the connecting block, positioning grooves formed at both ends of the limiting block, a connecting frame fixedly connected with the middle part of the connecting pipe away from the connecting pipe, a positioning rod slidingly connected with the inner cavity of the connecting frame, a positioning wheel rotatably connected with one end of the positioning rod and penetrating through the side wall of the connecting frame, the positioning wheel being engaged with the positioning groove close to the connecting pipe, a fourth spring sleeved with one end of the positioning rod away from the positioning wheel, a sliding block fixedly installed on the middle part of the outer surface of the positioning rod, the connecting frame and the sliding block being slidingly connected, the fourth spring being fixedly connected between the inner wall of the connecting frame and the sliding block, a first alarm and a first button fixedly installed on the middle part of the connecting frame away from the moving frame, the first alarm being located on the side of the sliding block away from the positioning wheel, the first button being located between the sliding block and the first alarm, the height of the sliding block being adapted to the height of the first button, the first button and the first alarm being electrically connected, and the first alarm being capable of issuing an alarm when the first button is pressed.

[0016] Further, the second buffering mechanism comprises an expansion cylinder, a plurality of third communication holes formed on the inner wall of the expansion cylinder, a buffering ring slidingly connected with the inner cavity of the expansion cylinder, a plurality of second sliding rods fixedly connected with the buffering ring close to the catheter, a plurality of extrusion blocks fixedly installed on the outer surface of the second sliding rods, a plurality of limiting cylinders fixedly installed on the side of the expansion cylinder close to the catheter in cooperation with the plurality of second sliding rods, a fifth spring sleeved with the outer surface of the second sliding rod, the fifth spring being fixedly connected between the inner wall of the extrusion block and the limiting cylinder, a plurality of fixed plates fixedly installed on the side of the expansion cylinder close to the catheter in cooperation with the plurality of limiting cylinders, a second button provided on the side of the fixed plate close to the limiting cylinder, and a second alarm fixedly installed on the side of the fixed plate away from the limiting cylinder, the second button and the second alarm being electrically connected, and the second alarm being capable of issuing an alarm when the second button is pressed.

[0017] Further, the expansion cylinder and the connecting pipe are fixedly connected, the plurality of first communication holes and the plurality of third communication holes are aligned, the plurality of first communication holes and the plurality of second communication holes are aligned when the positioning wheel and the positioning groove away from the connecting pipe are engaged, the buffering ring and the inner cavity of the expansion cylinder are tightly fitted, the second sliding rod and the expansion cylinder are slidingly connected, the second sliding rod and the limiting cylinder are slidingly connected, the extrusion block and the side of the expansion cylinder close to the catheter are fitted, the extrusion block and the inner cavity of the limiting cylinder are slidingly connected, and the extrusion block is capable of extruding the second button when sliding to the middle part of the inner cavity of the limiting cylinder.

[0018] The present application has the following beneficial effects:

[0019] 1. By adopting the filter assembly, the problem that the existing Internet of Things water meter filter mechanism cannot be automatically cleaned, resulting in the attachment of impurities on the surface of the filter screen in the water pipe and causing blockage is effectively solved. The filter assembly can timely intercept impurities in the water, prevent impurities from entering the inside of the water meter main body and affecting the measurement accuracy, ensure the accuracy and reliability of water data, and automatically clean the filter screen, reducing the frequency and cost of manual cleaning. The filter assembly adopts flexible connection to avoid impurities adhering to the filter screen, thereby avoiding the problem of filter screen blockage caused by untimely or incomplete manual operation, and prolonging the overall service life of the water meter main body.

[0020] 2. By adopting the pressure measurement assembly, the problem that the existing Internet of Things water meter pipeline does not have pressure buffering effect, long-term high-pressure operation will accelerate pipeline aging, and may cause pipeline leakage, pipe explosion or equipment failure is effectively solved. The pressure measurement assembly can buffer when the pressure in the conduit is large, has a double buffering effect, and can timely issue an alarm during the buffering process. When the alarm is issued, buffering can be continuously performed to provide maintenance time for workers, prevent missing the best time for conduit maintenance, reduce maintenance cost, avoid conduit leakage and explosion, and reduce the probability of Internet of Things water meter failure. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the present application;

[0022] Figure 2 is a partial structural sectional view of the present application;

[0023] Figure 3 is a partial structural sectional view of the conduit and filter assembly of the present application;

[0024] Figure 4 is a structural schematic view of the first filter mechanism and the limiting ring of the present application;

[0025] Figure 5 is a structural schematic view of the second filter mechanism and the limiting ring of the present application;

[0026] Figure 6 is a partial structural sectional view of the rotating rod and the cleaning mechanism of the present application;

[0027] Figure 7 is a structural schematic view of the pressure measurement assembly of the present application;

[0028] Figure 8 is a partial structural sectional view of the pressure measurement assembly of the present application without the second buffering mechanism;

[0029] Figure 9Part structure section view schematic diagram for removing part structure of second connecting rod and first limiting rod of first buffer mechanism of the application;

[0030] Figure 10 Structure schematic diagram of alarm mechanism of the application;

[0031] Figure 11 Part structure section view schematic diagram of second buffer mechanism of the application;

[0032] Figure 12 Part structure schematic diagram of second sliding rod, extrusion block, limiting cylinder, fixed plate, second button and second alarm of the application.

[0033] In the figure: 1, water meter main body; 2, guide pipe; 3, filter assembly; 31, filter box; 32, fixed strip; 33, driving impeller; 34, rotating rod; 35, first filter mechanism; 351, floating frame; 352, first filter screen; 353, first sliding rod; 354, first spring; 355, fixed block; 36, second filter mechanism; 361, connecting ring; 362, second filter screen; 363, first connecting rod; 364, second spring; 365, pressure ring; 366, protruding block; 367, rotating sleeve; 368, extrusion rod; 369, rolling ball; 37, cleaning mechanism; 371, limiting ring; 372, rotating strip; 373, cleaning brush; 374, limiting strip; 4, pressure measurement assembly; 41, connecting pipe; 42, first communication hole; 43, piston ring; 44, second communication hole; 45, first buffer mechanism; 451, second connecting rod; 452, measurer; 453, pressure cylinder; 454, moving frame; 455, buffer rod; 456, third spring; 457, buffer block; 458, first limiting rod; 46, alarm mechanism; 461, connecting block; 462, limiting block; 463, positioning groove; 464, connecting frame; 465, positioning rod; 466, positioning wheel; 467, fourth spring; 468, sliding block; 469, first alarm; 4610, first button; 47, second buffer mechanism; 471, expansion cylinder; 472, third communication hole; 473, buffer ring; 474, second sliding rod; 475, extrusion block; 476, limiting cylinder; 477, fifth spring; 478, fixed plate; 479, second button; 4710, second alarm; 48, second limiting rod. DETAILED DESCRIPTION

[0034] The application will be described and explained in detail below in connection with the drawings.

[0035] Example 1

[0036] As Figure 1As shown, the water meter with pressure measurement function of the Internet of Things comprises a water meter body 1, the bottom end of the water meter body 1 is fixedly connected with a conduit 2, the outer surface of the conduit 2 is provided with a filtering assembly 3, and one side of the conduit 2 is provided with a pressure measurement assembly 4; the filtering assembly 3 is used for filtering the water flowing through the water meter body 1, preventing impurities from affecting the measurement accuracy of the water meter body 1, and the pressure measurement assembly 4 is used for measuring the pressure of the water flow in the conduit 2, which can buffer when the pressure in the conduit 2 is relatively large, preventing the conduit 2 from cracking due to excessive pressure.

[0037] As shown in the Figures 2-3 The filtering assembly 3 comprises a filtering box 31, the inner wall of the conduit 2 is fixedly provided with a fixed strip 32, the inner cavity of the conduit 2 is rotatably provided with a driving impeller 33, one side of the fixed strip 32 close to the filtering box 31 is rotatably connected with a rotating rod 34, the driving impeller 33 and the rotating rod 34 are fixedly connected, the middle part of the inner cavity of the filtering box 31 is provided with a first filtering mechanism 35, and the inner cavity of the filtering box 31 is provided with a second filtering mechanism 36 on the side close to the water meter body 1; the side, away from the water meter body 1, of the first filtering mechanism 35 and the second filtering mechanism 36 is provided with a cleaning mechanism 37.

[0038] When the water flow in the conduit 2 drives the driving impeller 33 to rotate, the driving impeller 33 drives the rotating rod 34 to rotate, and then drives the cleaning mechanism 37 to clean the side, away from the water meter body 1, of the first filtering mechanism 35 and the second filtering mechanism 36, preventing the first filtering mechanism 35 and the second filtering mechanism 36 from being blocked when filtering; meanwhile, the first filtering mechanism 35 and the second filtering mechanism 36 are flexibly connected, which can make the first filtering mechanism 35 and the second filtering mechanism 36 shake in the inner cavity of the filtering box 31 when cleaning, preventing impurities from adhering to the outer surface thereof and improving the cleaning effect; the fixed strip 32 is used for limiting the rotating rod 34, which can make the driving impeller 33 keep stable rotation under the impact of the water flow.

[0039] As shown in the Figures 4-6 The first filtering mechanism 35 comprises a floating frame 351, the inner wall of the floating frame 351 is fixedly provided with a first filter screen 352, the bottom end of the floating frame 351 is fixedly connected with a first sliding rod 353 on both sides, the outer surface of the two groups of first sliding rods 353 is sleeved with a first spring 354, the bottom end of the inner cavity of the filtering box 31 is fixedly provided with two groups of fixed blocks 355, and the two groups of fixed blocks 355 are respectively sleeved on the outer surfaces of the two groups of first sliding rods 353, the floating frame 351 and the filtering box 31 are slidingly connected, the first sliding rod 353 and the fixed block 355 are slidingly connected, and the first spring 354 is fixedly connected between the floating frame 351 and the fixed block 355, and a plurality of first filter holes are uniformly and intervally formed in the first filter screen 352.

[0040] The second filtering mechanism 36 comprises a connecting ring 361, a second filtering screen 362 is slidably connected to the inner wall of the connecting ring 361, a first connecting rod 363 is fixedly installed on one side of the connecting ring 361, a second spring 364 is sleeved on the outer surface of the first connecting rod 363, a pressure ring 365 is fixedly connected to the side, close to the floating frame 351, of the second filtering screen 362, a plurality of protrusions 366 are fixedly installed on the side, away from the second filtering screen 362, of the pressure ring 365, a rotating sleeve 367 is fixedly connected to the outer surface of the rotating rod 34, and the rotating sleeve 367 is located between the floating frame 351 and the connecting ring 361, an extrusion rod 368 is fixedly connected to the end, away from the rotating rod 34, of the rotating sleeve 367, and a rolling ball 369 is rotatably connected to the end, away from the rotating sleeve 367, of the extrusion rod 368.

[0041] The second filtering screen 362 and the first connecting rod 363 are slidably connected, the two ends of the protrusions 366 and the side, away from the second filtering screen 362, of the pressure ring 365 are in the same plane, the second spring 364 is fixedly connected between the second filtering screen 362 and the inner wall of the filtering box 31, the rolling ball 369 and the side, away from the second filtering screen 362, of the pressure ring 365 are closely attached, the connecting ring 361 and the inner wall of the filtering box 31 are fixedly connected, a plurality of second filtering holes are uniformly and intervally formed on the second filtering screen 362, and the diameter of the second filtering holes is smaller than that of the first filtering holes.

[0042] The cleaning mechanism 37 comprises a limiting ring 371, a rotating strip 372 is rotatably connected to the outer wall of the limiting ring 371, a cleaning brush 373 is fixedly arranged on the outer wall of the rotating strip 372, a limiting strip 374 is fixedly installed on the outer surface of the rotating rod 34, the limiting strip 374 and the rotating strip 372 are slidably connected, and the limiting strip 374 and the limiting ring 371 are not in contact, two groups of limiting rings 371 are fixedly connected to the middle parts of the first filtering screen 352 and the second filtering screen 362 respectively, and two groups of cleaning brushes 373 are respectively in contact with the first filtering screen 352 and the second filtering screen 362, the rotating rod 34 is not in contact with the first filtering screen 352 and the second filtering screen 362, and the length of the cleaning brush 373 on the second filtering screen 362 is smaller than that of the cleaning brush 373 on the first filtering screen 352.

[0043] The functions of the first spring 354 and the second spring 364 are to make the first filter screen 352 and the second filter screen 362 produce a small range of shaking; the two ends of the protruding block 366 and the side of the pressure ring 365 far away from the second filter screen 362 are in the same plane, which can make the interaction force of the rolling ball 369 from the pressure ring 365 to the protruding block 366 not too large, and at the same time make the rolling ball 369 be able to keep in contact with the protruding block 366 under the impact of the water flow; when the water flow passes through the conduit 2, it impacts the driving impeller 33 and drives the driving impeller 33 to rotate, the driving impeller 33 drives the rotating rod 34 to rotate, and then drives the limiting strip 374 to rotate, the limiting strip 374 drives the rotating strip 372 to rotate and then drives the cleaning brush 373 to rotate, so that the cleaning brush 373 can clean the side of the first filter screen 352 and the second filter screen 362 far away from the water gauge main body 1; the limiting ring 371 is used to limit the rotating strip 372, when the first filter screen 352 and the second filter screen 362 shake, it drives the limiting ring 371 to move, the limiting ring 371 drives the rotating strip 372 to move synchronously on the limiting strip 374, so as to ensure that the cleaning brush 373 can always adhere to the side of the first filter screen 352 and the second filter screen 362 far away from the water gauge main body 1 when the first filter screen 352 and the second filter screen 362 shake, and then the cleaning brush 373 can keep cleaning the outer surface of the first filter screen 352 and the second filter screen 362 during the rotation; the floating frame 351 is fixed in the inner cavity of the filter box 31 in a flexible connection mode, and under the impact of the water flow, it drives the floating frame 351 to slide in the inner cavity of the filter box 31, and then drives the first sliding rod 353 to slide in the inner cavity of the fixed block 355, and produces extrusion on the first spring 354 on one side of the floating frame 351, so that the first filter screen 352 can shake during use, preventing impurities from adhering to the outer surface of the first filter screen 352, and cooperating with the cleaning of the cleaning brush 373 to keep the first filter screen 352 unblocked, preventing impurities from blocking the calculation accuracy of the water gauge main body 1; at the same time, when the water flow passes through the second filter screen 362, it drives the second filter screen 362 to slide on the outer surface of the first connecting rod 363, and produces extrusion on the second spring 364, and cooperates with the cleaning of the cleaning brush 373 to keep the second filter screen 362 unblocked, further improving the filtering effect of the equipment, and preventing the equipment from being blocked; in addition, when the rotating rod 34 rotates, it can also drive the rotating sleeve 367 to rotate, the rotating sleeve 367 drives the extrusion rod 368 to rotate, and then drives the rolling ball 369 to rotate to produce extrusion effect on the protruding block 366, so that the pressure ring 365 moves to the side of the second filter screen 362, so that the second filter screen 362 can shake, and the second filter screen 362 produces knocking effect, further preventing impurities from adhering to the outer surface of the second filter screen 362.The rolling ball 369 rolls at the end of the extrusion rod 368 away from the rotating sleeve 367, preventing the rolling ball 369 from being unable to continue to roll due to a large force generated when the rolling ball 369 and the protrusion 366 are in contact, ensuring that the rotating rod 34 can continue to rotate under the impact of water flow, ensuring the cleaning effect on the first filter screen 352 and the second filter screen 362, and being able to maintain an efficient filtering state at all times, timely intercepting impurities in the water, preventing impurities from entering the inside of the water meter main body 1 to affect the measurement accuracy, ensuring that the water usage data is accurate and reliable, reducing the frequency and cost of manual cleaning, avoiding the problem of filter screen blockage caused by untimely or incomplete manual operation, and prolonging the overall service life of the water meter main body 1.

[0044] As shown in Figures 7-8 The pressure measuring assembly 4 includes a connecting pipe 41 fixedly connected with the conduit 2, a plurality of first communication holes 42 are formed in the outer surface of the connecting pipe 41 away from the conduit 2, a piston ring 43 is slidably connected in the inner cavity of the connecting pipe 41, a plurality of second communication holes 44 are formed in the outer surface of the piston ring 43, and the plurality of second communication holes 44 are in communication with the inner cavity of the conduit 2, a first buffer mechanism 45 and an alarm mechanism 46 are arranged at the end of the connecting pipe 41 away from the conduit 2, a second buffer mechanism 47 is arranged on the outer surface of the connecting pipe 41 away from the conduit 2, a plurality of second limiting rods 48 are fixedly connected in the inner cavity of the connecting pipe 41, and the piston ring 43 is slidably connected with the plurality of second limiting rods 48.

[0045] When the pressure in the conduit 2 is too large, the water flow can extrude the piston ring 43, driving the piston ring 43 to slide in the inner cavity of the connecting pipe 41, and as the water pressure continues to increase, the piston ring 43 continues to slide on the outer surface of the second limiting rod 48, the first buffer mechanism 45 serves as a preliminary buffer, the alarm mechanism 46 performs a first alarm when the first buffer mechanism 45 produces a large displacement, reminding the staff to take precautions, and when the plurality of second communication holes 44 move to align with the plurality of first communication holes 42, the second buffer mechanism 47 can perform a second buffer and a second alarm at the same time, reminding the staff to maintain.

[0046] As shown in Figures 8-9As shown, the first buffering mechanism 45 comprises a second connecting rod 451 penetrating through the connecting pipe 41 away from the catheter 2 and fixedly connected with the piston ring 43, and the second connecting rod 451 is slidingly connected with the connecting pipe 41, one end of the second connecting rod 451 away from the piston ring 43 is fixedly connected with a measuring device 452, both ends of the measuring device 452 are rotatably connected with pressure cylinders 453, one end of the connecting pipe 41 away from the catheter 2 is fixedly connected with a plurality of first limiting rods 458, the outer surfaces of the plurality of first limiting rods 458 are slidingly connected with a moving frame 454, the inner cavities of both ends of the moving frame 454 are slidingly connected with a plurality of buffering rods 455, the outer surfaces of the buffering rods 455 are sleeved with third springs 456, one end of the buffering rods 455 close to the measuring device 452 is fixedly connected with a buffering block 457, the third springs 456 are fixedly connected between the inner wall of the moving frame 454 and the buffering block 457, one side of the buffering block 457 close to the measuring device 452 is an inclined surface, and the pressure cylinders 453 are in contact with the inclined surface of the buffering block 457, the inner cavity of the piston ring 43 is provided with a pressure sensor, and the pressure sensor is electrically connected with the measuring device 452.

[0047] The alarm mechanism 46 comprises a connecting block 461 fixedly connected with the connecting pipe 41 away from the catheter 2, a limiting block 462 is fixedly installed on the inner wall of the connecting block 461, positioning grooves 463 are formed at both ends of the limiting block 462, a connecting frame 464 is fixedly connected to the middle of one end of the moving frame 454 away from the connecting pipe 41, a positioning rod 465 is slidingly connected in the inner cavity of the connecting frame 464, a positioning wheel 466 is rotatably connected to one end of the positioning rod 465 penetrating through the side wall of the connecting frame 464, the positioning wheel 466 is clamped with the positioning groove 463 close to the connecting pipe 41, a fourth spring 467 is sleeved with one end of the positioning rod 465 away from the positioning wheel 466, a sliding block 468 is fixedly installed on the middle of the outer surface of the positioning rod 465, the connecting frame 464 is slidingly connected with the sliding block 468, the fourth spring 467 is fixedly connected between the inner wall of the connecting frame 464 and the sliding block 468, a first alarm 469 and a first button 4610 are fixedly installed on the middle of one end of the connecting frame 464 away from the moving frame 454, the first alarm 469 is located on one side of the sliding block 468 away from the positioning wheel 466, the first button 4610 is located between the sliding block 468 and the first alarm 469, the height of the sliding block 468 is adapted to the height of the first button 4610, the first button 4610 and the first alarm 469 are electrically connected, and the first alarm 469 can issue an alarm when the first button 4610 is pressed.

[0048] The pressure sensor is used for measuring the pressure in the conduit 2, and the measuring device 452 is used for displaying the measurement data of the pressure sensor; when the pressure in the conduit 2 is too large, the water flow extrudes the piston ring 43 to drive the piston ring 43 to slide in the inner cavity of the connecting pipe 41, at this time, the piston ring 43 extrudes the second connecting rod 451 to drive the second connecting rod 451 to slide in the inner cavity of the connecting pipe 41, the movement of the second connecting rod 451 drives the movement of the measuring device 452, the movement of the measuring device 452 drives the extrusion of the pressure cylinder 453 on the buffer block 457, and then the buffer rod 455 slides in the inner cavity of the moving frame 454 and extrudes the third spring 456, so that the position of the piston ring 43 can be balanced, and the conduit 2 is preliminarily buffered; when the pressure in the conduit 2 continues to increase, the piston ring 43 continuously moves to make the moving frame 454 slide on the outer surface of the first limiting rod 458, at this time, the measuring device 452 continuously moves, when the measuring device 452 moves to the inner wall of the moving frame 454, the positioning wheel 466 is compressed under the force to drive the positioning rod 465 to slide away from the side of the connecting block 461 away from the positioning wheel 466, thereby making the sliding block 468 press the first alarm 469, at this time, the first alarm 469 issues an alarm to remind the staff that the water pressure in the conduit 2 is high, and as the positioning wheel 466 moves on the limiting block 462, the first button 4610 continuously issues an alarm; when the positioning wheel 466 and the positioning groove 463 away from the connecting pipe 41 are engaged, the connecting frame 464 stops moving, and at this time, the first alarm 469 stops alarming; when the piston ring 43 slides in the inner cavity of the connecting pipe 41, the capacity of the inner cavity of the connecting pipe 41 can be used to buffer the pressure in the conduit 2.

[0049] As shown in Figure 8 and Figures 11-12 , the second buffering mechanism 47 includes an expansion cylinder 471, a plurality of third communication holes 472 are formed in the inner wall of the expansion cylinder 471, a buffer ring 473 is slidably connected in the inner cavity of the expansion cylinder 471, a plurality of second sliding rods 474 are fixedly connected to the side of the buffer ring 473 close to the conduit 2, extrusion blocks 475 are fixedly installed on the outer surfaces of the second sliding rods 474, a plurality of limiting cylinders 476 are fixedly installed on the side of the expansion cylinder 471 close to the conduit 2 in cooperation with the second sliding rods 474, fifth springs 477 are sleeved on the outer surfaces of the second sliding rods 474, the fifth springs 477 are fixedly connected between the inner walls of the extrusion blocks 475 and the limiting cylinders 476, a plurality of fixed plates 478 are fixedly installed on the side of the expansion cylinder 471 close to the conduit 2 in cooperation with the limiting cylinders 476, second buttons 479 are arranged on the side of the fixed plates 478 close to the limiting cylinders 476, second alarms 4710 are fixedly installed on the side of the fixed plates 478 away from the limiting cylinders 476, the second buttons 479 and the second alarms 4710 are electrically connected, and the second alarms 4710 can issue an alarm when the second buttons 479 are pressed.

[0050] The expansion cylinder 471 and the connecting pipe 41 are fixedly connected, a plurality of first communication holes 42 and a plurality of third communication holes 472 are aligned, and a plurality of first communication holes 42 and a plurality of second communication holes 44 are aligned when the positioning wheel 466 and the positioning groove 463 away from the connecting pipe 41 are engaged, the buffer ring 473 and the inner cavity of the expansion cylinder 471 are closely fitted, the second sliding rod 474 and the expansion cylinder 471 are slidingly connected, the second sliding rod 474 and the limiting cylinder 476 are slidingly connected, the extrusion block 475 and the side of the expansion cylinder 471 close to the catheter 2 are fitted, the extrusion block 475 and the inner cavity of the limiting cylinder 476 are slidingly connected, and the extrusion block 475 can extrude the second button 479 when sliding in the middle part of the inner cavity of the limiting cylinder 476.

[0051] When the positioning wheel 466 and the positioning groove 463 away from the connecting pipe 41 are engaged, a plurality of first communication holes 42 and a plurality of second communication holes 44 are aligned, which facilitates the water in the catheter 2 to flow from a plurality of second communication holes 44 into the inner cavity of the expansion cylinder 471 under the action of pressure; when the positioning wheel 466 and the positioning groove 463 away from the connecting pipe 41 are engaged, a plurality of third communication holes 472, a plurality of first communication holes 42 and a plurality of second communication holes 44 are aligned, at this time the water in the inner cavity of the connecting pipe 41 can flow into the inner cavity of the expansion cylinder 471, with the increase of water pressure, the buffer ring 473 can be continuously extruded, thereby making the buffer ring 473 move in the inner cavity of the expansion cylinder 471, and the catheter 2 is secondarily buffered; the buffer ring 473 moves to drive the second sliding rod 474 to slide in the inner cavity of the limiting cylinder 476, at this time the extrusion block 475 extrudes the fifth spring 477, and at the same time the second sliding rod 474 moves to drive the extrusion block 475 to extrude the second button 479 on the fixed plate 478, thereby making the second alarm 4710 issue a second alarm; the capacity of the inner cavity of the expansion cylinder 471 can be used for secondary buffering of the pressure in the catheter 2, reminding the staff to maintain as soon as possible, and the alarm loudness and timbre settings of the second alarm 4710 and the first alarm 469 are different, which facilitates differentiation; at the same time, the pressure in the catheter 2 can be continuously buffered during the alarm of the first alarm 469 and the second alarm 4710, that is, the positioning wheel 466 continuously moves on the limiting block 462 when the first alarm 469 issues an alarm, thereby making the sliding block 468 continuously extrude the first button 4610, and the buffer ring 473 continuously moves when the second alarm 4710 issues an alarm, thereby making the extrusion block 475 continuously extrude the second button 479, so that continuous buffering during alarm is realized, time is provided for the staff to maintain, the best period for maintaining the catheter 2 is prevented from being missed, and the maintenance cost is reduced.

[0052] In summary, the filtering assembly 3 is used to filter the water flowing through the water meter body 1, preventing impurities from affecting the measurement accuracy of the water meter body 1, and the pressure measuring assembly 4 is used to measure the pressure of the water flow in the conduit 2, which can buffer when the pressure in the conduit 2 is too large, preventing the conduit 2 from cracking due to excessive pressure; when the pressure in the conduit 2 is too large, the water in the conduit 2 will exert pressure on the piston ring 43, driving the piston ring 43 to slide in the inner cavity of the connecting pipe 41, and as the water pressure continues to increase, the piston ring 43 continues to slide on the outer surface of the second limiting rod 48, the first buffering mechanism 45 serves as a preliminary buffer, the alarm mechanism 46 provides a first alarm when the first buffering mechanism 45 moves a large displacement, reminding the staff to take preventive measures, and when the second communication holes 44 move to align with the first communication holes 42, the second buffering mechanism 47 can provide a second buffering, and at the same time, a second alarm is given to remind the staff to maintain.

Claims

1. An Internet of Things water meter with pressure measurement function, comprising a water meter main body (1), characterized in that, The bottom end of the water meter body (1) is fixedly connected with a conduit (2), the outer surface of the conduit (2) is provided with a filter assembly (3), and one side of the conduit (2) is provided with a pressure measurement assembly (4); The filter assembly (3) comprises a filter box (31), a fixed strip (32) is fixedly installed on the inner wall of the conduit (2), a drive impeller (33) is rotationally arranged in the inner cavity of the conduit (2), a rotating rod (34) is rotationally connected to the side of the fixed strip (32) close to the filter box (31), the drive impeller (33) and the rotating rod (34) are fixedly connected, a first filter mechanism (35) is arranged in the middle of the inner cavity of the filter box (31), a second filter mechanism (36) is arranged in the inner cavity of the filter box (31) close to the water meter body (1), and the side, away from the water meter body (1), of the first filter mechanism (35) and the second filter mechanism (36) is provided with a cleaning mechanism (37); The pressure measurement assembly (4) comprises a connecting pipe (41), the connecting pipe (41) and the conduit (2) are fixedly connected, a plurality of first communication holes (42) are formed in the outer surface of the connecting pipe (41) away from the conduit (2), a piston ring (43) is slidably connected in the inner cavity of the connecting pipe (41), a plurality of second communication holes (44) are formed in the outer surface of the piston ring (43) and communicate with the inner cavity of the conduit (2), a first buffer mechanism (45) and an alarm mechanism (46) are arranged at the end of the connecting pipe (41) away from the conduit (2), a second buffer mechanism (47) is arranged on the outer surface of the connecting pipe (41) away from the conduit (2), a plurality of second limiting rods (48) are fixedly connected in the inner cavity of the connecting pipe (41), and the piston ring (43) and the plurality of second limiting rods (48) are slidably connected. The first buffering mechanism (45) comprises a second connecting rod (451), the second connecting rod (451) is through the connecting pipe (41) away from the one end of the catheter (2) and is fixedly connected with the piston ring (43), and the second connecting rod (451) and the connecting pipe (41) are slidingly connected, one end of the second connecting rod (451) away from the piston ring (43) is fixedly connected with a measuring device (452), both ends of the measuring device (452) are rotatably connected with pressure cylinders (453), one end of the connecting pipe (41) away from the catheter (2) is fixedly connected with a plurality of first limiting rods (458), the outer surfaces of the plurality of first limiting rods (458) are slidingly connected with a moving frame (454), the inner cavities of both ends of the moving frame (454) are slidingly connected with a plurality of buffering rods (455), the outer surfaces of the buffering rods (455) are sleeved with third springs (456), one end of the buffering rod (455) close to the measuring device (452) is fixedly connected with a buffering block (457), the third spring (456) is fixedly connected between the inner wall of the moving frame (454) and the buffering block (457), one side of the buffering block (457) close to the measuring device (452) is an inclined surface, and the pressure cylinder (453) is in contact with the inclined surface of the buffering block (457), the inner cavity of the piston ring (43) is provided with a pressure sensor, and the pressure sensor and the measuring device (452) are electrically connected. The alarm mechanism (46) comprises a connecting block (461), which is fixedly connected with the connecting pipe (41) away from one end of the catheter (2), a limiting block (462) is fixedly installed on the inner wall of the connecting block (461), positioning grooves (463) are formed at both ends of the limiting block (462), a connecting frame (464) is fixedly connected with the middle of the moving frame (454) away from one end of the connecting pipe (41), a positioning rod (465) is slidably connected in the inner cavity of the connecting frame (464), one end of the positioning rod (465) penetrates through the side wall of the connecting frame (464) and is rotatably connected with a positioning wheel (466), the positioning wheel (466) is clamped with the positioning groove (463) close to the connecting pipe (41), a fourth spring (467) is sleeved on one end of the positioning rod (465) away from the positioning wheel (466), a sliding block (468) is fixedly installed on the middle of the outer surface of the positioning rod (465), the connecting frame (464) and the sliding block (468) are slidably connected, the fourth spring (467) is fixedly connected between the sliding block (468) and the inner wall of the connecting frame (464), a first alarm (469) and a first button (4610) are fixedly installed on the middle of the connecting frame (464) away from the moving frame (454), the first alarm (469) is located on the side of the sliding block (468) away from the positioning wheel (466), the first button (4610) is located between the sliding block (468) and the first alarm (469), the height of the sliding block (468) is adapted to the height of the first button (4610), the first button (4610) and the first alarm (469) are electrically connected, and the first alarm (469) can issue an alarm when the first button (4610) is pressed. The second buffering mechanism (47) comprises an expansion cylinder (471), a plurality of third communication holes (472) are formed in the inner wall of the expansion cylinder (471), a buffering ring (473) is slidably connected to the inner cavity of the expansion cylinder (471), a plurality of second sliding rods (474) are fixedly connected to the side of the buffering ring (473) close to the catheter (2), a plurality of extrusion blocks (475) are fixedly installed on the outer surface of the second sliding rods (474), a plurality of limiting cylinders (476) are fixedly installed on the side of the expansion cylinder (471) close to the catheter (2) and matched with the second sliding rods (474), fifth springs (477) are sleeved on the outer surfaces of the second sliding rods (474), the fifth springs (477) are fixedly connected between the extrusion blocks (475) and the inner walls of the limiting cylinders (476), a plurality of fixed plates (478) are fixedly installed on the side of the expansion cylinder (471) close to the catheter (2) and matched with the limiting cylinders (476), second buttons (479) are arranged on the side of the fixed plates (478) close to the limiting cylinders (476), second alarms (4710) are fixedly installed on the side of the fixed plates (478) away from the limiting cylinders (476), the second buttons (479) and the second alarms (4710) are electrically connected, and the second alarms (4710) can alarm when the second buttons (479) are pressed.

2. The IoT water meter with pressure measurement function according to claim 1, characterized in that, The first filtering mechanism (35) comprises a floating frame (351), a first filter screen (352) is fixedly installed on the inner wall of the floating frame (351), first sliding rods (353) are fixedly connected to the both sides of the bottom end of the floating frame (351), first springs (354) are sleeved on the outer surfaces of the two groups of first sliding rods (353), two groups of fixed blocks (355) are fixedly installed at the bottom end of the inner cavity of the filter box (31), and the two groups of fixed blocks (355) are sleeved on the outer surfaces of the two groups of first sliding rods (353), the floating frame (351) and the filter box (31) are slidably connected, the first sliding rods (353) and the fixed blocks (355) are slidably connected, and the first springs (354) are fixedly connected between the floating frame (351) and the fixed blocks (355), a plurality of first filtering holes are uniformly and intervally formed in the first filter screen (352).

3. The IoT water meter with pressure measurement functionality of claim 2, wherein, The second filtering mechanism (36) comprises a connecting ring (361), a second filtering screen (362) is slidably connected to the inner wall of the connecting ring (361), a first connecting rod (363) is fixedly installed on one side of the connecting ring (361), a second spring (364) is sleeved on the outer surface of the first connecting rod (363), a pressure ring (365) is fixedly connected to the side, close to the floating frame (351), of the second filtering screen (362), a plurality of protrusions (366) are fixedly installed on the side, away from the second filtering screen (362), of the pressure ring (365), a rotating sleeve (367) is fixedly connected to the outer surface of the rotating rod (34) and located between the floating frame (351) and the connecting ring (361), an extrusion rod (368) is fixedly connected to the end, away from the rotating rod (34), of the rotating sleeve (367), and a rolling ball (369) is rotatably connected to the end, away from the rotating sleeve (367), of the extrusion rod (368).

4. The IoT water meter with pressure measurement function according to claim 3, characterized in that, The second filtering screen (362) and the first connecting rod (363) are slidably connected, the two ends of the protrusion (366) and the side, away from the second filtering screen (362), of the pressure ring (365) are located in the same plane, the second spring (364) is fixedly connected between the second filtering screen (362) and the inner wall of the filtering box (31), the rolling ball (369) and the side, away from the second filtering screen (362), of the pressure ring (365) are closely attached, the connecting ring (361) is fixedly connected with the inner wall of the filtering box (31), a plurality of second filtering holes are evenly and spacedly formed in the second filtering screen (362), and the diameter of the second filtering holes is smaller than that of the first filtering holes.

5. The IoT water meter with pressure measurement functionality of claim 4, wherein, The cleaning mechanism (37) comprises a limiting ring (371), a rotating strip (372) is rotatably connected to the outer wall of the limiting ring (371), a cleaning brush (373) is fixedly arranged on the outer wall of the rotating strip (372), a limiting strip (374) is fixedly installed on the outer surface of the rotating rod (34), the limiting strip (374) and the rotating strip (372) are slidably connected, and the limiting strip (374) does not contact the limiting ring (371), two groups of the limiting ring (371) are fixedly connected to the middle portions of the first filtering screen (352) and the second filtering screen (362) respectively, and two groups of the cleaning brush (373) respectively contact the first filtering screen (352) and the second filtering screen (362), the rotating rod (34) does not contact the first filtering screen (352) and the second filtering screen (362), and the length of the cleaning brush (373) on the second filtering screen (362) is smaller than that of the cleaning brush (373) on the first filtering screen (352).

6. The IoT water meter with pressure measurement functionality of claim 1, wherein, The expansion cylinder (471) and the connecting pipe (41) are fixedly connected, a plurality of first communication holes (42) and a plurality of third communication holes (472) are aligned, and a plurality of first communication holes (42) and a plurality of second communication holes (44) are aligned when the positioning wheel (466) and the positioning groove (463) away from the connecting pipe (41) are engaged, the buffer ring (473) and the inner cavity of the expansion cylinder (471) are tightly attached, the second sliding rod (474) and the expansion cylinder (471) are slidingly connected, the second sliding rod (474) and the limiting cylinder (476) are slidingly connected, the extrusion block (475) and the side of the expansion cylinder (471) close to the catheter (2) are attached, the extrusion block (475) and the inner cavity of the limiting cylinder (476) are slidingly connected, and the extrusion block (475) can extrude the second button (479) when sliding in the middle part of the inner cavity of the limiting cylinder (476).

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