Cat.1 water meter data collection method and apparatus

Abstract

The application provides a Cat.1 water meter data acquisition method and device, relates to the technical field of water flow data acquisition, and comprises a Cat.1 water meter body, two connecting pipes are connected to the two sides of the Cat.1 water meter body, two groups of the connecting pipes are arranged on the upper and lower sides, switching ends are arranged at the two ends of the connecting pipes, monitoring pipes are installed outside the switching ends of the connecting pipes away from the Cat.1 water meter body, the second flow sensors in the monitoring pipes at the two ends of the Cat.1 water meter body are respectively input ends and output ends, and a detection assembly is arranged at the bottom of the Cat.1 water meter body. Compared with the prior art, the monitoring pipes are additionally arranged at the two ends of the Cat.1 water meter, the second flow sensors in the monitoring pipes and the first flow sensors in the Cat.1 water meter are cooperatively used for data acquisition of three groups of water flows, comparison is carried out, simple judgment on a leakage position is carried out according to comparison data results, the leakage position is accurately found through the detection assembly, timely repair can be achieved, and the waste of water resources is reduced.

Description

Technical Field

[0001] This invention relates to the field of water flow data acquisition technology, specifically to a data acquisition method and device based on Cat.1 water meters. Background Technology

[0002] Water metering devices have become an indispensable part of our lives, and their usage is enormous. Water flow metering and detection devices include various types of water meters, transformer ratio testers, and other measurement and data acquisition devices. For example, they are widely used in various stages of water flow systems, including power generation, supply, and consumption, to measure water flow; or to collect and assess information on the purification status of drinking water systems and to control flow.

[0003] Currently, various smart water meters can automatically record water flow and transmit the data to the system terminal through their built-in modules. However, this method is prone to problems such as serious leakage and low success rate of manual meter reading in urban water supply construction. It is difficult to directly determine whether the water supply pipeline is leaking or the water meter is damaged simply by observing abnormal water flow values. Therefore, it will affect the timeliness of maintenance and waste water resources due to leakage. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide a data acquisition method and device based on Cat.1 water meters to solve the problems mentioned in the background. The present invention has a novel structure, in which monitoring tubes are additionally installed at both ends of the Cat.1 water meter. Through the cooperation of a second flow sensor inside the monitoring tube and a first flow sensor inside the Cat.1 water meter, three sets of water flow data are collected and compared. Based on the comparison data results, the location of the leak is determined in a simple way. The leak location can be accurately found through the detection component, enabling timely repair and reducing water waste.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: a Cat.1 water meter data acquisition device, including a Cat.1 water meter body, with connecting pipes connected to both sides of the Cat.1 water meter body. Two sets of connecting pipes are arranged vertically, and switching ends are provided at both ends of the connecting pipes. A monitoring tube is installed on the outside of the switching end at the end of the connecting pipe furthest from the Cat.1 water meter body. Second flow sensors inside the monitoring tubes at both ends of the Cat.1 water meter body are respectively the input and output ends. A detection component is provided at the bottom of the Cat.1 water meter body. The device includes a base box, which is fixed to the bottom of the Cat.1 water meter body. Two winding seats are symmetrically fixed inside the base box, and a pull rope is wound onto the winding shaft of each winding seat. The pull rope passes through the base box and is fixedly connected to the bottom of the monitoring tube. The switching end includes a vertical tube, which is connected to the monitoring tube, the Cat.1 water meter body, and two sets of connecting pipes. A baffle is slidably connected inside the vertical tube, and the baffle alternately blocks the two connecting pipes. A rod is fixed to the top of the baffle, and the rod slides through the vertical tube via a sealing ring. The rod is connected to the pull rope via a transmission connection, and a spring is sleeved on the top of the rod.

[0006] Furthermore, the Cat.1 water meter body has connection ends at both ends, the vertical pipe has a connector on the side facing the Cat.1 water meter body and the monitoring pipe, the monitoring pipe has installation ends at both ends, and the connection ends, connectors and installation ends are all connected by threaded engagement.

[0007] Furthermore, the detection component also includes a first clamp, which is fixed on both sides of the top of the base box. The first clamp is sleeved on the surface of the connection end, and a second clamp is sleeved on the surface of the monitoring tube. Both the first clamp and the second clamp are fixed by screws.

[0008] Furthermore, a vertical plate is rotatably mounted on the bottom of the second clamp via a pivot and a torsion spring, and one end of the pull rope passing through the bottom box is fixedly connected to the vertical plate. Two second connecting rods are rotatably mounted on the bottom of the vertical plate via a pivot, and the other end of the second connecting rod is rotatably connected to the insertion rod passing through the top of the corresponding vertical tube via a pivot.

[0009] Furthermore, toothed plates are slidably inserted into both ends of the bottom box, and the toothed plates correspond to opposite ends of the two sets of winding seats respectively. A fixed shaft seat is fixed to the protruding end of the toothed plate, and the bottom of the fixed shaft seat is fixed to the pull rope. A first connecting rod is rotatably installed on both sides of the fixed shaft seat, and the top of the first connecting rod is rotatably connected to the insertion rod on the side near the Cat.1 water meter body.

[0010] Furthermore, a gear is rotatably mounted on the surface of the toothed plate corresponding to the take-up seat, and the gear is fixedly connected to the take-up shaft of the take-up seat, and the gear meshes with the toothed plate.

[0011] Furthermore, a bidirectional electric push rod is fixed on the inner wall of the top of the bottom box, and connecting plates are fixed to the two extended ends of the bidirectional electric push rod.

[0012] Furthermore, a vertical electric push rod is fixed at the position of the connecting plate corresponding to the toothed plate, and an insertion hole is opened on the surface of the toothed plate, and the extended end of the vertical electric push rod can be slidably inserted into the insertion hole.

[0013] Furthermore, a first flow sensor is installed inside the Cat.1 water meter body, and a second flow sensor is installed inside the monitoring tube.

[0014] The data acquisition method based on Cat.1 water meters includes the following steps:

[0015] (1) Preparation: Install two monitoring tubes at the inlet and outlet of the household water supply, connect them to the Cat.1 water meter body through connecting pipes of corresponding length, and connect the detection component to the Cat.1 water meter body and monitoring tubes;

[0016] (2) Flow detection: The second flow sensor in the monitoring tube at the input end monitors the input flow, the first flow sensor in the Cat.1 water meter body monitors the flow of water passing through, and the second flow sensor in the monitoring tube at the output end monitors the output flow.

[0017] (3) Data acquisition: The three sets of traffic data are transmitted to the terminal through the data transmission module and compared. Based on the location where the data differs, the detection component performs leakage detection.

[0018] (4) Problem sorting: Switch the intermediate pipe connecting the monitoring pipe and the Cat.1 water meter body, and compare the flow values ​​of the two again. If there is still a difference, the Cat.1 water meter body is leaking. The staff will repair it in time. When the flow is the same after switching the intermediate pipe, the intermediate connecting pipe is leaking. The residents will be notified to repair and replace it themselves.

[0019] The beneficial effects of this invention are:

[0020] 1. This invention uses a bidirectional electric push rod to move a toothed plate and engage with a gear, which in turn drives a winding seat to wind up the pull rope. In the initial state, the vertical plate is vertical, and the baffle of the vertical pipe blocks the opening of the horizontal pipe at the lower end of the connecting pipe. At this time, the water flow direction is: monitoring pipe, vertical pipe, horizontal pipe at the upper end of the connecting pipe, and Cat.1 water meter body. The movement of the pull rope pulls the vertical plate to rotate. At the same time, through the connection of the fixed shaft seat, the first connecting rod and the second connecting rod rotate synchronously, moving the insert rods that pass through the top of the vertical pipe at both ends of the connecting pipe upward. The baffle moves along the inside of the vertical pipe, changing from blocking the horizontal pipe at the lower end to blocking the horizontal pipe at the upper end. The water flows into the inside of the Cat.1 water meter body along the horizontal pipe at the lower end, which facilitates secondary comparison data.

[0021] 2. The base box of the present invention is fixed to the bottom of the Cat.1 water meter body by the first clamp and connected to the pull rope by the second clamp, which facilitates the pull rope to start the switching end at the farthest end of the connecting pipe to switch the water flow direction. In this structure, it is convenient to disassemble and assemble the base box and install the detection components. At the same time, the traction force of the pull rope can be used to connect to the monitoring pipe at a distance, and the water flow direction can be switched from both ends of the connecting pipe at the same time. It has little impact on the installation distance of the monitoring pipe and the length of the connecting pipe, and can meet the installation requirements of connecting pipes of different lengths, and switch the object of leak detection.

[0022] 3. The Cat.1 water meter body of the present invention is connected to the connecting pipe and the monitoring pipe by a threaded connection end, a connector and an installation end, adopting the existing connection method, which is convenient for installation, disassembly and replacement. The first flow sensor and the second flow sensor inside the Cat.1 water meter body and the monitoring pipe are the same type of flow sensor, which detects the water flow at different points, making it more convenient to determine the location of the leak.

[0023] 4. Compared with the prior art, the present invention additionally sets up monitoring tubes at both ends of the Cat.1 water meter. Through the cooperation of the second flow sensor inside the monitoring tube and the first flow sensor inside the Cat.1 water meter, three sets of water flow data are collected and compared. Based on the comparison data results, the leakage location is determined in a simple way. The leakage location can be accurately found through the detection component, which can enable timely maintenance and reduce water waste. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the Cat.1 water meter data acquisition device of the present invention;

[0025] Figure 2 This is a schematic diagram of the installation structure of the Cat.1 water meter body based on the Cat.1 water meter data acquisition device of the present invention;

[0026] Figure 3 This is a schematic diagram showing the connection between the bottom box of the Cat.1 water meter data acquisition device and the Cat.1 water meter body according to the present invention;

[0027] Figure 4 This is a schematic diagram of the internal structure of the bottom box of the Cat.1 water meter data acquisition device of the present invention;

[0028] Figure 5 This is a schematic diagram showing the connection between the vertical electric push rod and the toothed plate of the Cat.1 water meter data acquisition device of the present invention;

[0029] Figure 6 This is a schematic diagram of the monitoring tube structure of the Cat.1 water meter data acquisition device of the present invention;

[0030] Figure 7This is a schematic diagram of the internal structure of the switching terminal of the Cat.1 water meter data acquisition device of the present invention.

[0031] In the diagram: 1. Cat.1 water meter body; 11. Connecting end; 2. Detection component; 21. Base box; 22. First connecting rod; 23. Tooth plate; 24. First clamp; 25. Fixed shaft seat; 26. Pull rope; 27. Winding seat; 28. Gear; 29. ​​Bidirectional electric push rod; 210. Connecting plate; 211. Vertical electric push rod; 212. Insertion hole; 213. Second connecting rod; 214. Second clamp; 215. Vertical plate; 3. Connecting pipe; 31. Switching end; 311. Vertical pipe; 312. Insert rod; 313. Baffle; 314. Spring; 32. Connector; 4. Monitoring pipe; 41. Mounting end; 42. Second flow sensor. Detailed Implementation

[0032] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0033] Please see Figures 1 to 7 The present invention provides a technical solution:

[0034] The data acquisition method based on Cat.1 water meters includes the following steps:

[0035] (1) Preparation: Install two monitoring tubes at the inlet and outlet of the household water supply, connect them to the Cat.1 water meter body through connecting pipes of corresponding length, and connect the detection component to the Cat.1 water meter body and monitoring tubes;

[0036] (2) Flow detection: The second flow sensor in the monitoring tube at the input end monitors the input flow, the first flow sensor in the Cat.1 water meter body monitors the flow of water passing through, and the second flow sensor in the monitoring tube at the output end monitors the output flow.

[0037] (3) Data acquisition: The three sets of traffic data are transmitted to the terminal through the data transmission module and compared. Based on the location where the data differs, the detection component performs leakage detection.

[0038] (4) Problem sorting: Switch the intermediate pipe connecting the monitoring pipe and the Cat.1 water meter body, and compare the flow values ​​of the two again. If there is still a difference, the Cat.1 water meter body is leaking. The staff will repair it in time. When the flow is the same after switching the intermediate pipe, the intermediate connecting pipe is leaking. The residents will be notified to repair and replace it themselves.

[0039] In this application, the Cat.1 water meter body 1 is a Cat.1 smart water meter of the prior art. The Cat.1 water meter is equipped with a water flow sensor to detect the water flow speed in the pipe. When water flows through the water meter, the sensor converts the water flow speed into an electrical signal. The microprocessor inside the water meter receives the electrical signal output by the sensor, processes the signal according to a preset algorithm, and calculates the water consumption.

[0040] The Cat.1 communication module sends the processed water consumption data to a remote server. The Cat.1 communication protocol is a cellular network-based communication technology with high data transmission rate and low latency. The remote server receives the water consumption data transmitted from the water meter, performs real-time monitoring and summary analysis. In this way, the water company can understand the water consumption situation in various areas at any time, promptly detect abnormalities and take corresponding measures. When the water meter detects abnormalities, such as excessive water consumption or abnormal water pressure, it will send alarm information to the water company and users through the Cat.1 communication module.

[0041] This technology is also used in this application, where it works together with the first flow sensor and the second flow sensor 42 to monitor and transmit the generated signals to the Cat.1 water meter body 1 for aggregation and processing, and provides timely feedback and processing of abnormal data.

[0042] Battery powered: The Cat.1 water meter is battery powered, which has a long battery life. Battery power reduces maintenance costs and improves the reliability of the water meter.

[0043] The Cat.1 water meter data acquisition device includes a Cat.1 water meter body 1. Connecting pipes 3 are connected to both sides of the Cat.1 water meter body 1. Two sets of connecting pipes 3 are arranged vertically. Switching terminals 31 are located at both ends of the connecting pipes 3. A monitoring pipe 4 is installed on the outside of the switching terminal 31 at the end of the connecting pipe 3 furthest from the Cat.1 water meter body 1. Second flow sensors 42 are installed inside the monitoring pipes 4 at both ends of the Cat.1 water meter body 1, serving as the input and output terminals, respectively. A detection component 2 is located at the bottom of the Cat.1 water meter body 1. The system includes a base box 21, which is fixed to the bottom of the Cat.1 water meter body 1. Two winding seats 27 are symmetrically fixed inside the base box 21, and a pull rope 26 is wound onto the winding shaft of each winding seat 27. The pull rope 26 passes through the base box 21 and is fixedly connected to the bottom of the monitoring tube 4. The switching end 31 includes a vertical pipe 311, which is connected to the monitoring tube 4, the Cat.1 water meter body 1, and two sets of connecting pipes 3. A baffle 313 is slidably connected inside the vertical pipe 311, which alternately blocks the two connecting pipes 3. The top of the baffle 313 is fixed. A fixed insertion rod 312 is provided, which slides through the vertical pipe 311 via a sealing ring and is connected to the pull rope 26. A spring 314 is sleeved on the top of the insertion rod 312. When using the device, two monitoring tubes 4 are installed at the inlet and outlet of the household water supply, and connected to the Cat.1 water meter body 1 via connecting pipes 3 of corresponding lengths. The detection component 2 is connected to the Cat.1 water meter body 1 and the monitoring tubes 4. The second flow sensor 42 in the monitoring tube 4 at the input end monitors the input flow rate, and the first flow sensor in the Cat.1 water meter body 1 monitors the input flow rate. The sensor monitors the water flow rate, and the second flow sensor 42 in the monitoring tube 4 at the output end monitors the output flow rate. The three sets of flow data are transmitted to the terminal through the data transmission module and compared. Based on the location of the data difference, the detection component 2 performs leak detection, switches the intermediate pipe connecting the monitoring tube 4 and the Cat.1 water meter body 1, and compares the flow values ​​of the two again. If there is still a difference, the Cat.1 water meter body 1 has a leak. The staff will promptly repair it. When the flow rate is the same after switching the intermediate pipe, the intermediate connecting pipe 3 has a leak, and the resident will be notified to repair and replace it himself.

[0044] In this embodiment, the Cat.1 water meter body 1 has connecting ends 11 at both ends, the vertical pipe 311 has a connector 32 on the side facing the Cat.1 water meter body 1 and the monitoring pipe 4, and the monitoring pipe 4 has mounting ends 41 at both ends. The connecting ends 11, connectors 32 and mounting ends 41 are all connected by threaded engagement. The Cat.1 water meter body 1 has a first flow sensor installed inside, and the monitoring pipe 4 has a second flow sensor 42 installed inside. The Cat.1 water meter body 1 is connected to the connecting pipe 3 and the monitoring pipe 4 by threaded connection through the connecting ends 11, connectors 32 and mounting ends 41. This existing connection method facilitates installation, disassembly and replacement. The first flow sensor and the second flow sensor 42 inside the Cat.1 water meter body 1 and the monitoring pipe 4 are the same type of flow sensor, which detects water flow at different points, making it more convenient to determine the location of the leak.

[0045] In this embodiment, the detection component 2 further includes a first clamp 24. The first clamp 24 is fixed to both sides of the top of the base box 21. The first clamp 24 is sleeved on the surface of the connecting end 11. A second clamp 214 is sleeved on the surface of the monitoring tube 4. Both the first clamp 24 and the second clamp 214 are fixed by screws. A vertical plate 215 is rotatably mounted on the bottom of the second clamp 214 via a pivot and a torsion spring. One end of a pull rope 26 extends out of the base box 21 and is fixedly connected to the vertical plate 215. Two second connecting rods 213 are rotatably mounted on the bottom of the vertical plate 215 via a pivot. The other end of each second connecting rod 213 passes through the top of the corresponding vertical tube 311. The protruding rod 312 is rotatably connected via a rotating shaft. The base box 21 is fixed to the bottom of the Cat.1 water meter body 1 via the first clamp 24. It is connected to the pull rope 26 via the second clamp 214, which facilitates the pull rope 26 to activate the switching end 31 at the farthest end of the connecting pipe 3 to switch the water flow direction. In this structure, it is convenient to disassemble and assemble the base box 21 and install the detection component 2. At the same time, the traction force of the pull rope 26 can be used to connect to the monitoring pipe 4 at a distance, and the water flow direction can be switched from both ends of the connecting pipe 3 simultaneously. It has little impact on the installation distance of the monitoring pipe 4 and the length of the connecting pipe 3, and can meet the installation requirements of connecting pipes 3 of different lengths, and switch the object of leak detection.

[0046] In this embodiment, toothed plates 23 are slidably inserted into both ends of the base box 21. The toothed plates 23 correspond to opposite ends of two sets of winding seats 27. A fixed shaft seat 25 is fixed to the protruding end of the toothed plate 23. The bottom of the fixed shaft seat 25 is fixed to the pull rope 26. First connecting rods 22 are rotatably installed on both sides of the fixed shaft seat 25. The top of the first connecting rod 22 is rotatably connected to the insertion rod 312 near the side of the Cat.1 water meter body 1. A gear 28 is rotatably installed on the surface of the winding seat 27 corresponding to the toothed plate 23. The gear 28 is fixedly connected to the winding shaft of the winding seat 27. The gear 28 meshes with the toothed plate 23. A bidirectional electric push rod 2 is fixed on the inner wall of the top of the base box 21. 9. A connecting plate 210 is fixed to the two extended ends of the bidirectional electric push rod 29. A vertical electric push rod 211 is fixed to the connecting plate 210 at the position corresponding to the toothed plate 23. An insertion hole 212 is provided on the surface of the toothed plate 23, and the extended end of the vertical electric push rod 211 can be slidably inserted into the insertion hole 212. The water flow rate is collected and compared by the first flow sensor and the second flow sensor 42. When an abnormality is detected, the detection component 2 is activated. For example, when the input value differs from the values ​​of the two sets of flow sensors on the Cat.1 water meter body 1, the vertical electric push rod 211 on that side is inserted into the insertion hole 212 of the toothed plate 23, and the bidirectional electric push rod 29 drives the toothed plate 23 to move in conjunction with the toothed plate. When wheel 28 engages, it drives winding seat 27 to wind rope 26. Initially, vertical plate 215 is vertical, and baffle 313 of vertical pipe 311 blocks the horizontal pipe opening at the lower end of connecting pipe 3. At this time, the water flow direction is: monitoring pipe 4, vertical pipe 311, horizontal pipe at the upper end of connecting pipe 3, and Cat.1 water meter body 1. The movement of rope 26 pulls vertical plate 215 to rotate. At the same time, through the connection of fixed shaft seat 25, first connecting rod 22 and second connecting rod 213 rotate synchronously, moving the insert rod 312 that passes through the top of vertical pipe 311 at both ends of connecting pipe 3 upward. Baffle 313 moves along the inside of vertical pipe 311, changing from blocking the horizontal pipe at the lower end to blocking the horizontal pipe at the upper end. Water flows into C along the horizontal pipe at the lower end. If there is still a difference between the data values ​​of the monitoring pipe 4 and the flow sensor inside the Cat.1 water meter body 1, it is determined that the Cat.1 water meter body 1 is leaking. Staff should be notified in time to repair and replace it to avoid affecting the recording of flow values. When the data values ​​are the same or the difference is small, it indicates that there is a leak in the connecting pipe 3. The resident should be notified to repair or replace the connecting pipe 3 to maintain normal water flow. The detection coordination between the output end and the Cat.1 water meter body 1 is the same. The bidirectional electric push rod 29 can switch the water flow direction on the side with the abnormality, and can also activate the connecting pipes 3 on both sides at the same time to switch the flow direction.

[0047] When using the device, two monitoring tubes 4 are installed at the inlet and outlet of the household water supply. They are connected to the Cat.1 water meter body 1 via connecting pipes 3 of corresponding lengths. The detection component 2 is then connected to the Cat.1 water meter body 1 and the monitoring tubes 4. The second flow sensor 42 inside the monitoring tube 4 at the input end monitors the input flow rate, while the first flow sensor inside the Cat.1 water meter body 1 monitors the passing water flow rate. The second flow sensor 42 inside the monitoring tube 4 at the output end monitors the output flow rate. These three sets of flow data are transmitted to the terminal via the data transmission module and then... By comparing the data at different locations, when the values ​​of the two flow sensors at the input end differ from those of the two sets of flow sensors on the Cat.1 water meter body 1, the vertical electric push rod 211 on that side is inserted into the insertion hole 212 of the toothed plate 23. The bidirectional electric push rod 29 drives the toothed plate 23 to move and mesh with the gear 28, which in turn drives the winding seat 27 to wind up the pull rope 26. In the initial state, the vertical plate 215 is vertical, and the baffle 313 of the vertical pipe 311 blocks the horizontal pipe opening at the lower end of the connecting pipe 3. At this time, the water flow direction is: monitoring pipe 4, vertical pipe 311, horizontal pipe at the upper end of the connecting pipe 3, and Ca. The Cat.1 water meter body 1 is rotated by the movement of the pull rope 26, which pulls the vertical plate 215 to rotate. At the same time, the first connecting rod 22 and the second connecting rod 213 rotate synchronously through the connection of the fixed shaft seat 25, which moves the insert rod 312 that passes through the top of the vertical pipe 311 at both ends of the connecting pipe 3 upward. The baffle 313 moves along the inside of the vertical pipe 311, changing from blocking the lower horizontal pipe to blocking the upper horizontal pipe. The water flows into the Cat.1 water meter body 1 along the lower horizontal pipe. When comparing the data values ​​of the monitoring pipe 4 and the flow sensor inside the Cat.1 water meter body 1, there is still a difference. If there is a discrepancy, it is determined that the Cat.1 water meter body 1 is leaking. Staff should be notified in time for inspection and replacement to avoid affecting the recording of flow values. When the data values ​​are the same or the difference is small, it indicates that there is a leak in the connecting pipe 3. The resident should be notified to inspect or replace the connecting pipe 3 to maintain normal water flow. The detection coordination between the output end and the Cat.1 water meter body 1 is the same. The bidirectional electric push rod 29 can switch the water flow direction on the side with the abnormality, and can also activate the connecting pipes 3 on both sides at the same time to switch the flow direction.

[0048] The foregoing has shown and described the basic principles and main features of the present invention and its advantages. It will be apparent to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention.

[0049] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A data acquisition device based on a Cat.1 water meter, comprising a Cat.1 water meter body (1), characterized in that: The Cat.1 water meter body (1) is connected to two sides by connecting pipes (3). Two sets of connecting pipes (3) are arranged at the top and bottom. Switching ends (31) are provided at both ends of the connecting pipes (3). A monitoring pipe (4) is installed on the outside of the switching end (31) at the end of the connecting pipe (3) away from the Cat.1 water meter body (1). The second flow sensor (42) inside the monitoring pipe (4) at both ends of the Cat.1 water meter body (1) is the input end and the output end, respectively. A detection component (2) is provided at the bottom of the Cat.1 water meter body (1). The detection component (2) includes a bottom box (21). The bottom box (21) is fixed at the bottom of the Cat.1 water meter body (1), and two winding seats (27) are symmetrically fixed inside the bottom box (21). A pull rope (26) is wound on the winding shaft of the seat (27). The pull rope (26) passes through the bottom box (21) and is fixedly connected to the bottom of the monitoring tube (4). The switching end (31) includes a vertical tube (311). The vertical tube (311) is connected to the monitoring tube (4), the Cat.1 water meter body (1) and two sets of connecting pipes (3) respectively. A baffle (313) is slidably connected inside the vertical tube (311). The baffle (313) alternately blocks the two connecting pipes (3). A plug rod (312) is fixed on the top of the baffle (313). The plug rod (312) slides through the vertical tube (311) through the sealing ring. The plug rod (312) is connected to the pull rope (26) in a transmission. A spring (314) is sleeved on the top of the plug rod (312).

2. The data acquisition device based on Cat.1 water meters according to claim 1, characterized in that: The Cat.1 water meter body (1) has connection ends (11) at both ends. The vertical pipe (311) has a connector (32) on the side facing the Cat.1 water meter body (1) and the monitoring pipe (4). The monitoring pipe (4) has installation ends (41) at both ends. The connection ends (11), connectors (32) and installation ends (41) are all connected by threaded engagement.

3. The data acquisition device based on Cat.1 water meters according to claim 2, characterized in that: The detection component (2) also includes a first clamp (24). The first clamp (24) is fixed on both sides of the top of the bottom box (21). The first clamp (24) is sleeved on the surface of the connecting end (11). The second clamp (214) is sleeved on the surface of the monitoring tube (4). The first clamp (24) and the second clamp (214) are both fixed by screws.

4. The data acquisition device based on Cat.1 water meters according to claim 3, characterized in that: The bottom of the second clamp (214) is rotatably mounted with a vertical plate (215) via a pivot and a torsion spring, and one end of the pull rope (26) passing through the bottom box (21) is fixedly connected to the vertical plate (215). The bottom of the vertical plate (215) is rotatably mounted with two second connecting rods (213) via a pivot, and the other end of the second connecting rod (213) is rotatably connected to the insertion rod (312) passing through the top of the corresponding vertical tube (311) via a pivot.

5. The data acquisition device based on Cat.1 water meters according to claim 4, characterized in that: The bottom box (21) has toothed plates (23) slidably inserted at both ends. The toothed plates (23) correspond to opposite ends of the two sets of winding seats (27). The protruding ends of the toothed plates (23) are fixed with fixed shaft seats (25). The bottom of the fixed shaft seats (25) is fixed on the pull rope (26). The fixed shaft seats (25) are rotatably installed on both sides of the fixed shaft seats (25). The top of the first connecting rod (22) is rotatably connected to the insertion rod (312) on the side near the Cat.1 water meter body (1).

6. The data acquisition device based on Cat.1 water meters according to claim 5, characterized in that: The take-up holder (27) has a gear (28) rotatably mounted on the surface of the toothed plate (23), and the gear (28) is fixedly connected to the take-up shaft of the take-up holder (27). The gear (28) meshes with the toothed plate (23).

7. The data acquisition device based on Cat.1 water meters according to claim 6, characterized in that: A bidirectional electric push rod (29) is fixed on the inner wall of the top of the bottom box (21), and a connecting plate (210) is fixed to the two extended ends of the bidirectional electric push rod (29).

8. The data acquisition device based on Cat.1 water meters according to claim 7, characterized in that: The connecting plate (210) is fixed with a vertical electric push rod (211) at the position corresponding to the toothed plate (23). The toothed plate (23) has a socket (212) on its surface, and the extended end of the vertical electric push rod (211) can be slidably inserted into the socket (212).

9. The data acquisition device based on Cat.1 water meters according to claim 8, characterized in that: The Cat.1 water meter body (1) is equipped with a first flow sensor, and the monitoring tube (4) is equipped with a second flow sensor (42).

10. The method for acquiring data from a Cat.1 water meter implemented by the device according to claim 9, characterized in that: The data acquisition method includes the following steps: (1) Preparation: Install two monitoring tubes at the input and output ends of the household water supply, connect them to the Cat.1 water meter body through connecting pipes of corresponding length, and connect the detection component to the Cat.1 water meter body and monitoring tubes; (2) Flow detection: The second flow sensor in the monitoring tube at the input end monitors the input flow, the first flow sensor in the Cat.1 water meter body monitors the flow of water passing through, and the second flow sensor in the monitoring tube at the output end monitors the output flow. (3) Data acquisition: The three sets of traffic data are transmitted to the terminal through the data transmission module and compared. Based on the location where the data differs, the detection component performs leakage detection. (4) Problem sorting: Switch the connection pipe between the monitoring pipe and the Cat.1 water meter body, and compare the flow values ​​of the two again. If there is still a difference, the Cat.1 water meter body is leaking. Notify the staff to repair it in time. If the flow is the same after switching the connection pipe, the connection pipe is leaking. Notify the residents to repair and replace it themselves.

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