Flowmeter detection equipment

By introducing standard flow sensors and hydraulic sensors into the flow meter testing equipment, combined with a filtration system, the problems of limited testing items and impurity contamination are solved, thereby improving the flexibility and efficiency of testing.

CN224095237UActive Publication Date: 2026-04-07TIANJIN SENTINEL ELECTRONICS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing flow meter testing equipment has limited testing capabilities, low testing efficiency, and direct discharge of the tested liquid leads to internal contamination by impurities, affecting accuracy.

Method used

The flow meter uses standard flow sensors and hydraulic sensors to test its accuracy and withstand water pressure. Combined with a filter drawer and filter screen, it filters impurities, increasing the flexibility of the test items and improving the test efficiency.

Benefits of technology

By adding testing items, the flexibility and efficiency of flow meter testing are improved, and the accuracy of subsequent tests is avoided due to contamination from impurities.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224095237U_ABST
    Figure CN224095237U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of flow meter detection, in particular to flow meter detection equipment which comprises a tray, a first connecting component and a second connecting component, a hydraulic sensor is arranged at the outer end of the first connecting component, a standard flow sensor is arranged on one side of the hydraulic sensor, and the standard flow sensor is connected with the tray. A liquid inlet pipe is arranged on one side of the standard flow sensor, a liquid pump is installed at one end of the liquid inlet pipe, a liquid pumping pipe is arranged at the position, close to the liquid pump, of one end of the tray, and a liquid collecting hopper is arranged at the position, close to the first connecting component, of the lower side of the tray. The precision of the flowmeter to be detected is detected through the standard flow sensor, the water pressure borne by the flowmeter to be detected is detected through the hydraulic sensor, detection items are increased, the detection flexibility is facilitated, and the detection efficiency is improved; the influence of impurities in the liquid on the accuracy of next detection is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to flowmeter detection technical field, concretely is a flowmeter detection equipment. BACKGROUND

[0002] Flowmeter is the instrument for measuring fluid flow, is widely used in industry, agriculture, environmental protection, energy and other fields, and flowmeter detection is an important link to ensure its measurement accuracy, reliability and safety.

[0003] Chinese patent discloses a kind of flowmeter detection equipment, (authorized announcement number CN220893537U), the patent technology is by driving drive unit to make pressurizing block press flowmeter on thrust block, connects water pump with water inlet pipe valve, pumps into water in flowmeter by water pump and continues to pressurize, and the water pressure of water pump is measured with pressure measuring instrument, until flowmeter appears water leakage, the water pressure of flowmeter can be measured, structure is stable, easy to operate, and it is suitable for more to tubular flowmeter, but, the flowmeter detection equipment described above can only complete the detection operation of the water pressure that flowmeter bears, detection project is less, not conducive to the flexibility of flowmeter detection, need other equipment again detection operation, not conducive to the detection efficiency of flowmeter, detection liquid is directly discharged or circulated, impurities in flowmeter are discharged with liquid, pollute water liquid and influence the accuracy of next detection.Therefore, the technical personnel in the art provide a kind of flowmeter detection equipment to solve the problems raised in the above background technical. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of flowmeter detection equipment to solve the problems raised in the above background technical.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A flow meter testing device includes a tray, a first connecting member, and a second connecting member. The first connecting member is located on the upper side of the tray, and the second connecting member is located on the upper side of the tray near the first connecting member. A hydraulic sensor is installed at the outer end of the first connecting member, a standard flow sensor is installed on one side of the hydraulic sensor, and an inlet pipe is installed on one side of the standard flow sensor. A liquid pump is installed at one end of the inlet pipe. A suction pipe is installed at one end of the tray near the liquid pump. A liquid collection hopper is installed on the lower side of the tray near the first connecting member, and a return pipe is installed on the lower side of the liquid collection hopper. A flexible hose is installed at one end of the second connecting member, and an outlet pipe is installed at the other end of the tray. A liquid tank is installed on the lower side of the outlet pipe. A filter screen is installed at one end of the interior of the liquid tank, and a filter drawer is installed on one side of the liquid tank. An electromagnetic valve is installed at the lower end of the outlet pipe. The flow meter to be tested is installed on the corresponding side of the first and second connecting members.

[0007] As a further embodiment of this utility model: the first connecting member includes a first connecting pipe, a first mounting bracket is provided on the outer side of the first connecting pipe, a first plug is provided on one side of the first connecting pipe, and a first sealing ring is provided on the outer side of the first plug; the second connecting member includes a second connecting pipe, a second mounting bracket is provided on the outer side of the second connecting pipe, guide rods are provided at both ends of one side of the second mounting bracket, a fixing plate is provided at one end of the guide rod, a cylinder is installed on one side of the fixing plate, a second plug is provided on one side of the second connecting pipe, and a second sealing ring is provided on the outer side of the second plug.

[0008] As a further embodiment of this utility model: the lower end of the liquid extraction pipe is connected to the lower end of the liquid tank; the output end of the liquid extraction pipe is connected to the input end of the liquid pump; the output end of the liquid pump is connected to the input end of the liquid inlet pipe; the output end of the liquid inlet pipe is connected to the input end of the first connecting member through a standard flow sensor and a hydraulic sensor; the output end of the first connecting member is connected to the input end of the flow meter to be tested; the output end of the flow meter to be tested is connected to the input end of the second connecting member; the output end of the second connecting member is connected to the input end of the hose; the output end of the hose is connected to the input end of the outlet pipe; and the output end of the outlet pipe is connected to the upper end of the liquid tank through an electromagnetic valve.

[0009] As a further embodiment of this utility model: the lower end of the liquid collection hopper is connected to the input end of the return pipe, the output end of the return pipe is connected to the upper end of the liquid tank, and the lower ends of both the return pipe and the outlet pipe are located above the filter drawer.

[0010] As a further embodiment of this utility model: one end of the hydraulic sensor is connected to one end of the first connecting pipe, the other end of the first connecting pipe is connected to the input end of the flow meter to be tested through a first plug, the output end of the flow meter to be tested is connected to the input end of the second connecting pipe through a second plug, and the output end of the second connecting pipe is connected to the input end of the hose.

[0011] As a further embodiment of this utility model: the first connecting pipe is fixed to the upper side of the tray by the first mounting bracket, the lower side of the fixing plate is fixed to the upper side of the tray, one end of the cylinder is fixed to one side of the second mounting bracket, one end of the guide rod slides at the outer end of the fixing plate, and the second mounting bracket slides on the upper side of the tray by the cylinder and the guide rod.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model discloses a flow meter testing device that uses a standard flow sensor to detect the accuracy of the flow meter under test and a hydraulic sensor to detect the water pressure that the flow meter under test can withstand. This increases the number of testing items, improves the flexibility of testing, avoids the waste of time caused by changing testing equipment, and improves testing efficiency.

[0014] The filter drawer and filter screen filter the water liquid discharged from the flow meter to be tested, so as to avoid impurities in the liquid from affecting the accuracy of the next test. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a flow meter detection device;

[0016] Figure 2 A perspective view of a flow meter detection device;

[0017] Figure 3 This is a schematic diagram of the structure of the first connecting component in a flow meter detection device;

[0018] Figure 4 This is a schematic diagram of the structure of the second connecting component in a flow meter detection device.

[0019] In the diagram: 1. Tray; 2. First connecting component; 3. Hydraulic sensor; 4. Standard flow sensor; 5. Second connecting component; 6. Hoses; 7. Outlet pipe; 8. Inlet pipe; 9. Pump; 10. Suction pipe; 11. Liquid collection hopper; 12. Return pipe; 13. Liquid tank; 14. Filter screen; 15. Filter drawer; 16. Electromagnetic valve; 17. Flow meter to be tested; 18. First connecting pipe; 19. First mounting bracket; 20. First plug; 21. First sealing ring; 22. Second connecting pipe; 23. Second mounting bracket; 24. Guide rod; 25. Fixing plate; 26. Cylinder; 27. Second plug; 28. Second sealing ring. Detailed Implementation

[0020] Please see Figures 1-4In this embodiment of the present invention, a flow meter detection device includes a tray 1, a first connecting member 2, and a second connecting member 5. The first connecting member 2 is located on the upper side of the tray 1, and the second connecting member 5 is located on the upper side of the tray 1 near the first connecting member 2. A hydraulic sensor 3 is provided at the outer end of the first connecting member 2, a standard flow sensor 4 is provided on one side of the hydraulic sensor 3, and an inlet pipe 8 is provided on one side of the standard flow sensor 4. A liquid pump 9 is installed at one end of the inlet pipe 8. A suction pipe 10 is provided at one end of the tray 1 near the liquid pump 9, and a liquid collection hopper 11 is provided on the lower side of the tray 1 near the first connecting member 2. A return pipe 12 is provided on the lower side of the collection hopper 11. A flexible hose 6 is provided at one end of the second connecting member 5, and an outlet pipe 7 is provided at the other end of the tray 1. A liquid tank 13 is provided on the lower side of the outlet pipe 7. A filter screen plate 14 is provided at one end of the interior of the liquid tank 13. A filter drawer 15 is provided on one side of the liquid tank 13. An electromagnetic on / off valve 16 is installed at the lower end of the outlet pipe 7. A flow meter to be tested is installed on the corresponding side of the first connecting member 2 and the second connecting member 5. The lower end of the liquid suction pipe 10 is connected to the lower end of the liquid tank 13. The output end of the liquid suction pipe 10 is connected to the input end of the liquid pump 9. The output end of the liquid pump 9 is connected to the input end of the liquid inlet pipe 8. The output end of the flow meter 17 is connected to the input end of the first connecting member 2 via the standard flow sensor 4 and the hydraulic sensor 3. The output end of the first connecting member 2 is connected to the input end of the flow meter 17 to be tested. The output end of the flow meter 17 to be tested is connected to the input end of the second connecting member 5. The output end of the second connecting member 5 is connected to the input end of the hose 6. The output end of the hose 6 is connected to the input end of the outlet pipe 7. The output end of the outlet pipe 7 is connected to the upper end of the liquid tank 13 via the electromagnetic on / off valve 16. The lower end of the liquid collection hopper 11 is connected to the input end of the return pipe 12. The output end of the return pipe 12 is connected to the upper end of the liquid tank 13. The return pipe 12 is connected to the outlet pipe 7. The lower ends of all components are located above the filter drawer 15. First, the test liquid is added into the liquid tank 13. The flow meter to be tested 17 is placed on the corresponding side of the first connecting member 2 and the second connecting member 5. The second connecting member 5 is engaged with the outside of the flow meter to be tested 17, thus fixing the flow meter to be tested 17. Then, the electromagnetic valve 16 is opened, the liquid pump 9 runs, and the liquid inside the liquid tank 13 is drawn through the liquid extraction pipe 10. The liquid is then introduced into the liquid inlet pipe 8 through the liquid pump 9. The liquid inside the liquid inlet pipe 8 is discharged, and the standard flow sensor 4 detects the flow rate of the liquid. The liquid enters the flow meter to be tested 17 through the first connecting member 2.The flow meter 17 under test displays flow data. Liquid enters the hose 6 through the second connecting member 5. The liquid inside the hose 6 is then guided into the liquid tank 13 through the outlet pipe 7. Based on the comparison of data between the flow meter 17 under test and the standard flow sensor 4, the accuracy of the flow meter 17 is determined. The electromagnetic valve 16 closes, and the pump 9 continues to run, pressurizing the flow meter 17. The hydraulic sensor 3 monitors the hydraulic pressure until leakage occurs in the flow meter 17. The pressure resistance of the flow meter 17 is then determined. The liquid collection hopper 11 collects the leaking liquid from the flow meter 17. The liquid is then guided into the liquid tank 13 through the return pipe 12. The filter drawer 15 filters the liquid discharged through the outlet pipe 7 and the return pipe 12, and the filter screen 14 filters the liquid again.

[0021] exist Figure 1 , 3In section 4: the first connecting member 2 includes a first connecting pipe 18, a first mounting bracket 19 is provided on the outer side of the first connecting pipe 18, a first plug 20 is provided on one side of the first connecting pipe 18, and a first sealing ring 21 is provided on the outer side of the first plug 20. The second connecting member 5 includes a second connecting pipe 22, a second mounting bracket 23 is provided on the outer side of the second connecting pipe 22, guide rods 24 are provided at both ends on one side of the second mounting bracket 23, a fixing plate 25 is provided at one end of the guide rod 24, a cylinder 26 is installed on one side of the fixing plate 25, and a second plug 27 is provided on one side of the second connecting pipe 22. A second sealing ring 28 is provided on the outer side. One end of the hydraulic sensor 3 is connected to one end of the first connecting pipe 18. The other end of the first connecting pipe 18 is connected to the input end of the flow meter 17 to be tested through the first plug 20. The output end of the flow meter 17 to be tested is connected to the input end of the second connecting pipe 22 through the second plug 27. The output end of the second connecting pipe 22 is connected to the input end of the hose 6. The first connecting pipe 18 is fixed to the upper side of the tray 1 by the first mounting bracket 19. The lower side of the fixing plate 25 is fixed to the upper side of the tray 1. One end of the cylinder 26 is fixed to one side of the second mounting bracket 23. At the location where the guide rod 24 slides at one end of the fixed plate 25, the second mounting bracket 23 slides on the upper side of the tray 1 via the cylinder 26 and the guide rod 24. The flow meter 17 to be tested is placed on the corresponding side of the first connecting member 2 and the second connecting member 5. The cylinder 26 moves, pushing the second connecting pipe 22 to move via the second mounting bracket 23. One end of the guide rod 24 slides inside the fixed plate 25, guiding the second mounting bracket 23. The first plug 20 is inserted into one end of the flow meter 17 to be tested, the first sealing ring 21 is engaged with the outside of the flow meter 17 to be tested, and the second plug 27 is inserted into the flow meter 17 to be tested. At the other end of the flow meter 17, the second sealing ring 28 is snapped onto the outside of the flow meter 17 to be tested, thus fixing the flow meter 17 to be tested. Then, the electromagnetic valve 16 is opened, the liquid pump 9 runs, and the liquid inside the liquid tank 13 is drawn through the liquid extraction pipe 10. The liquid is then introduced into the liquid inlet pipe 8 through the liquid pump 9. The liquid inside the liquid inlet pipe 8 is discharged, and the standard flow sensor 4 detects the flow rate of the liquid. The liquid enters the flow meter 17 to be tested through the first connecting pipe 18 and the first plug 20. The flow meter 17 to be tested displays the flow data. The liquid enters the hose 6 through the second plug 27 and the second connecting pipe 22.

[0022] The working principle of this utility model is as follows: First, the detection liquid is added into the liquid tank 13. The flow meter to be tested 17 is placed on the corresponding side of the first connecting member 2 and the second connecting member 5. The cylinder 26 moves, pushing the second connecting pipe 22 to move through the second mounting bracket 23. One end of the guide rod 24 slides inside the fixing plate 25, guiding the second mounting bracket 23. The first plug 20 is inserted into one end of the flow meter to be tested 17, and the first sealing ring 21 is locked onto the outside of the flow meter to be tested 17. The second plug 27 is inserted into the other end of the flow meter to be tested 17, and the second sealing ring 28 is locked onto the outside of the flow meter to be tested 17, thus completing the fixing of the flow meter to be tested 17. Then, the electromagnetic valve 16 is opened, the liquid pump 9 runs, and the liquid inside the liquid tank 13 is drawn through the liquid extraction pipe 10. The liquid is then introduced into the liquid inlet pipe 8 through the liquid pump 9. The liquid inside the liquid inlet pipe 8 is discharged, and the standard flow sensor 4 detects the liquid. For flow detection, liquid enters the flow meter 17 under test through the first connecting pipe 18 and the first plug 20. The flow meter 17 displays the flow data. Liquid enters the hose 6 through the second plug 27 and the second connecting pipe 22. Liquid inside the hose 6 is introduced into the liquid tank 13 through the outlet pipe 7. The accuracy of the flow meter 17 is judged by comparing the data of the flow meter 17 under test with that of the standard flow sensor 4. The electromagnetic valve 16 is closed, and the liquid pump 9 continues to run to pressurize the inside of the flow meter 17 under test. The hydraulic sensor 3 detects the hydraulic pressure until the flow meter 17 under test leaks water. The water pressure that the flow meter 17 under test can withstand is judged. The liquid collection hopper 11 collects the water leaking from the flow meter 17 under test. The water is introduced into the liquid tank 13 through the return pipe 12. The filter drawer 15 filters the water discharged through the outlet pipe 7 and the return pipe 12. The filter screen 14 filters the water again.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A flow meter detection device, comprising a tray (1), a first connecting member (2), and a second connecting member (5), wherein the first connecting member (2) is located on the upper side of the tray (1), and the second connecting member (5) is located on the upper side of the tray (1) adjacent to the first connecting member (2), characterized in that, A hydraulic sensor (3) is provided at the outer end of the first connecting member (2). A standard flow sensor (4) is provided on one side of the hydraulic sensor (3). An inlet pipe (8) is provided on one side of the standard flow sensor (4). A liquid pump (9) is installed at one end of the inlet pipe (8). A suction pipe (10) is provided at one end of the tray (1) near the liquid pump (9). A liquid collection hopper (11) is provided on the lower side of the tray (1) near the first connecting member (2). A return flow is provided on the lower side of the liquid collection hopper (11). The tube (12) has a flexible hose (6) at one end of the second connecting member (5), and an outlet tube (7) at the other end of the tray (1). A liquid tank (13) is provided on the lower side of the outlet tube (7). A filter screen plate (14) is provided at one end of the liquid tank (13). A filter drawer (15) is provided on one side of the liquid tank (13). An electromagnetic valve (16) is installed at the lower end of the outlet tube (7). A flow meter (17) to be tested is installed on the corresponding side of the first connecting member (2) and the second connecting member (5).

2. The flow meter detection device according to claim 1, characterized in that, The first connecting member (2) includes a first connecting pipe (18), a first mounting bracket (19) is provided on the outside of the first connecting pipe (18), a first plug (20) is provided on one side of the first connecting pipe (18), and a first sealing ring (21) is provided on the outside of the first plug (20). The second connecting member (5) includes a second connecting pipe (22), a second mounting bracket (23) is provided on the outside of the second connecting pipe (22), guide rods (24) are provided at both ends of one side of the second mounting bracket (23), a fixing plate (25) is provided at one end of the guide rod (24), a cylinder (26) is installed on one side of the fixing plate (25), a second plug (27) is provided on one side of the second connecting pipe (22), and a second sealing ring (28) is provided on the outside of the second plug (27).

3. The flow meter detection device according to claim 1, characterized in that, The lower end of the suction pipe (10) is connected to the lower end of the liquid tank (13). The output end of the suction pipe (10) is connected to the input end of the liquid pump (9). The output end of the liquid pump (9) is connected to the input end of the inlet pipe (8). The output end of the inlet pipe (8) is connected to the input end of the first connecting member (2) through the standard flow sensor (4) and the hydraulic sensor (3). The output end of the first connecting member (2) is connected to the input end of the flow meter to be tested (17). The output end of the flow meter to be tested (17) is connected to the input end of the second connecting member (5). The output end of the second connecting member (5) is connected to the input end of the hose (6). The output end of the hose (6) is connected to the input end of the outlet pipe (7). The output end of the outlet pipe (7) is connected to the upper end of the liquid tank (13) through the electromagnetic valve (16).

4. The flow meter detection device according to claim 1, characterized in that, The lower end of the liquid collection hopper (11) is connected to the input end of the return pipe (12), and the output end of the return pipe (12) is connected to the upper end of the liquid tank (13). The lower ends of the return pipe (12) and the outlet pipe (7) are both located above the filter drawer (15).

5. A flow meter testing device according to claim 2, characterized in that, One end of the hydraulic sensor (3) is connected to one end of the first connecting pipe (18), and the other end of the first connecting pipe (18) is connected to the input end of the flow meter (17) to be tested through the first plug (20). The output end of the flow meter (17) to be tested is connected to the input end of the second connecting pipe (22) through the second plug (27), and the output end of the second connecting pipe (22) is connected to the input end of the hose (6).

6. The flow meter detection device according to claim 2, characterized in that, The first connecting pipe (18) is fixed to the upper side of the tray (1) by the first mounting bracket (19), the lower side of the fixing plate (25) is fixed to the upper side of the tray (1), one end of the cylinder (26) is fixed to one side of the second mounting bracket (23), one end of the guide rod (24) slides at the outer end of the fixing plate (25), and the second mounting bracket (23) slides on the upper side of the tray (1) through the cylinder (26) and the guide rod (24).

Citation Information

Patent Citations

  • Flowmeter detection equipment

    CN220893537U