A platform for distribution water heater flow comparison testing and demonstration

Abstract

The utility model discloses a platform for distribution water heater flow contrast test and show, including pipeline intercommunication's double distribution water heater test unit, pressure regulation and control system and auxiliary sink subassembly, the utility model discloses through modularization design, has integrated double distribution water heater test structure, high accuracy electromagnetic flowmeter and pressure regulation and control system, can realize following function under same water pressure: (1) independent flow test: accurate determination single distribution water heater's flow characteristic, (2) parallel flow contrast: the influence of direct show through flow difference to system distribution, (3) visual data output: show flow data in real time through electromagnetic flowmeter, promote test efficiency and accuracy.

Description

Technical Field

[0001] This utility model belongs to the field of HVAC experimental equipment technology, specifically relating to a platform for comparative testing and display of manifold flow rates. Background Technology

[0002] Currently, flow rate testing for manifolds largely relies on theoretical calculations or simple, temporary installations, which have the following drawbacks:

[0003] (1) Low data reliability: Temporary platforms are susceptible to environmental interference, which can lead to deviations in test results;

[0004] (2) Limited functionality: It cannot compare traffic flow under parallel operating conditions, making it difficult to simulate actual usage scenarios;

[0005] (3) Cumbersome operation: repeated adjustments to the pipeline are required, resulting in low efficiency.

[0006] Therefore, there is an urgent need to develop a flow comparison test platform for water manifolds to meet the needs of multiple application scenarios. Utility Model Content

[0007] To address the aforementioned issues, this utility model provides a platform for comparing and displaying the flow rates of manifolds. Specifically, it is an integrated experimental platform capable of conducting independent flow rate tests, parallel flow rate comparisons, and real-time data display of manifolds under the same pressure conditions, thus solving the technical problems of low data reliability, limited functionality, and cumbersome operation in existing manifold flow rate testing.

[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0009] A platform for comparative testing and demonstration of flow rates in a manifold includes a first main line, a second main line, and a third main line connected by a first tee. The first main line is equipped with a main line electromagnetic flow meter and a first ball valve; the second main line is equipped with a main line electromagnetic flow meter and a second ball valve; the third main line is equipped with a second tee and a floor heating circulation pump. A pressure gauge is installed on a branch pipe of the second tee. The end of the third main line connects to a four-way connector, and the other interfaces of the four-way connector are sequentially connected to a fourth, fifth, and sixth main line. A first manifold to be tested is installed at the end of the first main line, and a first manifold to be tested is installed at the end of the fourth main line. The test manifold has a branch line connected to the first test collector and the first test distributor via an underfloor heating pipe, and each branch line is equipped with a branch electromagnetic flow meter; the second test collector is located at the end of the second main line, and the second test distributor is located at the end of the fifth main line. The corresponding branch lines between the second test collector and the second test distributor are connected via an underfloor heating pipe, and each branch line is equipped with a branch electromagnetic flow meter; the sixth main line is equipped with a third tee and a fourth ball valve, and a submersible pump is located at the end of the sixth main line. A third ball valve is located on the branch line of the third tee, and the third ball valve is connected to an electric pressure pump.

[0010] Furthermore, an air vent valve is installed on the top of both the first and second water collectors to be tested for system air venting.

[0011] Furthermore, the submersible pump is installed in a water tank, which is used to supply water to the submersible pump, ensuring a stable water source for the system.

[0012] Furthermore, the pump body of the floor heating circulation pump is positioned downwards.

[0013] Furthermore, there are four corresponding branches between the first water collector and the first water distributor, and each branch is equipped with a corresponding branch valve at its end.

[0014] Furthermore, there are four corresponding branches between the second water collector and the second water distributor, and each branch is equipped with a corresponding branch valve at the end.

[0015] The technical solution of this utility model has the following beneficial effects:

[0016] This utility model integrates a dual-manifold test structure, a high-precision electromagnetic flowmeter, and a pressure control system through modular design, enabling it to achieve the following functions under the same water pressure:

[0017] (1) Independent flow test: accurately measure the flow characteristics of a single manifold;

[0018] (2) Parallel flow comparison: intuitively demonstrates the impact of flow difference on system allocation;

[0019] (3) Visualized data output: The flow data is displayed in real time through the electromagnetic flow meter, which improves the efficiency and accuracy of testing. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the full-flow exhaust of the platform of this utility model;

[0022] Figure 3 Figure 1 shows the flow rate test diagram of a single manifold on this utility model platform.

[0023] Figure 4 Figure 2 shows the flow rate test of a single manifold on this utility model platform.

[0024] Figure 5 This is a test chart comparing the flow rates of two water distribution devices connected in parallel and used simultaneously on this utility model platform.

[0025] In the diagram: 1. First main line; 2. Second main line; 3. Third main line; 4. Fourth main line; 5. Fifth main line; 6. Sixth main line; 7. First tee; 8. Main line electromagnetic flowmeter; 9. First ball valve; 10. Second ball valve; 11. Second tee; 12. Underfloor heating circulation pump; 13. Pressure gauge; 14. Four-way valve; 15. First water collector to be tested; 16. First water distributor to be tested; 17. Branch line electromagnetic flowmeter; 18. Second water collector to be tested; 19. Second water distributor to be tested; 20. Third tee; 21. Fourth ball valve; 22. Submersible pump; 23. Third ball valve; 24. Electric pressure pump; 25. Air vent valve; 26. Water tank; 27. Branch line valve. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] like Figure 1As shown, a platform for flow comparison testing and demonstration of manifolds includes a first main line 1, a second main line 2, and a third main line 3 connected by a first tee 7. The first main line 1 is equipped with a main line electromagnetic flow meter 8 and a first ball valve 9. The second main line 2 is equipped with a main line electromagnetic flow meter 8 and a second ball valve 10. The third main line 3 is equipped with a second tee 11 and a floor heating circulation pump 12. A pressure gauge 13 is installed on a branch pipe of the second tee 11. The end of the third main line 3 is connected to a four-way valve 14. Other interfaces of the four-way valve 14 are sequentially connected to a fourth main line 4, a fifth main line 5, and a sixth main line 6. A first manifold to be tested 15 is installed at the end of the first main line 1, and a first manifold to be tested 15 is installed at the end of the fourth main line 4. The water distribution device 16 is connected to the first water collector 15 and the first water distributor 16 via a floor heating pipe, and each branch is equipped with a branch electromagnetic flow meter 17; the second water collector 18 is installed at the end of the second main line 2, and the second water distributor 19 is installed at the end of the fifth main line 5. The corresponding branches between the second water collector 18 and the second water distributor 19 are connected via a floor heating pipe, and each branch is equipped with a branch electromagnetic flow meter 17; the sixth main line 6 is equipped with a third tee 20 and a fourth ball valve 21, and the end of the sixth main line 6 is equipped with a submersible pump 22. The submersible pump 22 is installed in a water tank 26, which is used to supply water to the submersible pump 22 to ensure a stable water source for the system.

[0028] A third ball valve 23 is installed on the third tee 20 branch pipe, and the third ball valve 23 is connected to the electric pressure pump 24.

[0029] An exhaust valve 25 is provided on the top of both the first water collector 15 and the second water collector 18 for system venting.

[0030] The number of corresponding branches between the first water collector 15 and the first water distributor 16 is 4, and each branch is equipped with a corresponding branch valve 27 at the end; the number of corresponding branches between the second water collector 18 and the second water distributor 19 is 4, and each branch is equipped with a corresponding branch valve 27 at the end.

[0031] In summary, the platform of this utility model for comparing and demonstrating the flow rate of manifolds, such as... Figure 1 As shown, the platform structure mainly consists of:

[0032] (1) Dual manifold test unit:

[0033] Two water distribution devices to be tested are symmetrically installed on the left and right sides of the platform. The two water distribution devices to be tested are connected to the main line of the water collector by the electromagnetic flow meter 8, and two ball valves are installed to control the on and off.

[0034] Two manifolds and collectors are connected via underfloor heating pipes, and each branch is equipped with a branch electromagnetic flowmeter 17.

[0035] Each collector has an air vent valve 25 on top for venting the system.

[0036] (2) Pressure control system:

[0037] A pressure gauge 13 and a floor heating circulation pump 12 are installed on the main pipeline in the middle section. The pump body of the floor heating circulation pump 12 is facing downwards to optimize the stability of the water flow.

[0038] The lower section is connected to the electric pressure pump 24 and the submersible pump 22 via a tee, and each is controlled by a ball valve.

[0039] (3) Auxiliary components:

[0040] Water tank 26 is used to supply water to submersible pump 22 to ensure a stable water source for the system;

[0041] The 14-way tee and cross fittings are used to enable flexible switching of pipelines.

[0042] The platform of this utility model for comparing and displaying the flow rate of manifolds includes the following operating methods:

[0043] (1) Full-flow exhaust (reference) Figure 1 and Figure 2 ):

[0044] S1: Open the first ball valve 9, the second ball valve 10, the fourth ball valve 21, and close the third ball valve;

[0045] S2: Start the submersible pump 22 to fill with water. After no more air is discharged from the vent valve 25, close the vent valve 25, the fourth ball valve 21 and the submersible pump 22 in sequence.

[0046] S3: Open the third ball valve 23 and pressurize to 0.4MPa using the electric pressure pump 24 until the system pressure stabilizes.

[0047] (2) Flow test of a single manifold (reference) Figure 1 , Figure 3 and Figure 4 ):

[0048] Test the first manifold: Close the second ball valve 10, start the underfloor heating circulation pump 12, and read the data from the electromagnetic flowmeters 17 of the main and branch circuits;

[0049] Test the second manifold: Close the first ball valve 9 and repeat the above operation.

[0050] (3) Comparison of flow rates when two manifolds are used in parallel (reference) Figure 1 and Figure 5 ):

[0051] Keep all ball valves (first ball valve 9 and second ball valve 11) open, start the floor heating circulation pump 12, and simultaneously record the flow data of the main and branch circuits of the manifolds on both sides to analyze the impact of the flow difference on the system.

[0052] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A platform for comparing and demonstrating the flow rate of a manifold, characterized in that, The system includes a first trunk line (1), a second trunk line (2), and a third trunk line (3) connected by a first tee (7). The first trunk line (1) is equipped with a trunk line electromagnetic flow meter (8) and a first ball valve (9). The second trunk line (2) is equipped with a trunk line electromagnetic flow meter (8) and a second ball valve (10). The third trunk line (3) is equipped with a second tee (11) and a floor heating circulation pump (12). A pressure gauge (13) is installed on the branch pipe of the second tee (11). The end of the third trunk line (3) is connected to a four-way connector (14). The other interfaces of the four-way connector (14) are connected to the fourth trunk line (4), the fifth trunk line (5), and the sixth trunk line (6) in sequence. The end of the first trunk line (1) is equipped with a first water collector to be tested (15), and the end of the fourth trunk line (4) is equipped with a first water distributor to be tested (16). The corresponding branches between the first water collector (15) and the first water distributor (16) are connected by a floor heating pipe, and each branch is equipped with a branch electromagnetic flow meter (17); the second water collector (18) is installed at the end of the second main road (2), and the second water distributor (19) is installed at the end of the fifth main road (5). The corresponding branches between the second water collector (18) and the second water distributor (19) are connected by a floor heating pipe, and each branch is equipped with a branch electromagnetic flow meter (17); the sixth main road (6) is equipped with a third tee (20) and a fourth ball valve (21), and the end of the sixth main road (6) is equipped with a submersible pump (22). The third ball valve (23) is installed on the branch pipe of the third tee (20), and the third ball valve (23) is connected to the electric pressure pump (24).

2. The platform for comparing and displaying the flow rate of a manifold as described in claim 1, characterized in that, An air vent valve (25) is provided on the top of both the first water collector (15) and the second water collector (18) for system air venting.

3. The platform for comparing and displaying the flow rate of a manifold as described in claim 1, characterized in that, The submersible pump (22) is installed in the water tank (26), which is used to supply water to the submersible pump (22) to ensure a stable water source for the system.

4. The platform for comparing and displaying the flow rate of a manifold as described in claim 1, characterized in that, The pump body of the floor heating circulation pump (12) is set downwards.

5. The platform for comparing and displaying the flow rate of a manifold as described in claim 1, characterized in that, There are 4 corresponding branches between the first water collector (15) and the first water distributor (16), and each branch is equipped with a corresponding branch valve (27) at the end.

6. The platform for flow comparison testing and display of manifolds according to claim 1, characterized in that, There are 4 corresponding branches between the second water collector (18) and the second water distributor (19), and each branch is equipped with a corresponding branch valve (27) at the end.

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