Water pump performance parameter linear detection device

Abstract

The utility model provides a water pump performance parameter linear detection device. When the water pump actually works, all environmental parameters and the like of the water pump are linearly changed, so that whether the design of the water pump is reasonable or not is detected in order to capture parameters such as voltage, current, electric power, shaft power, lift, flow and the like of the water pump in a linear change environment. According to the utility model, the two pipelines with the same function and different pipe diameters are arranged, and various valves are arranged on the pipelines, so that the linear environment change when the water pump works can be well simulated, and therefore, parameters such as voltage, current, electric power, shaft power, lift, flow and the like of the water pump in a linear change environment can be captured, and whether the design of the water pump is reasonable or not can be detected.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pump production and relates to a linear detection device for performance parameters of a water pump. Background Art

[0002] A water pump is a machine that transports or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid, increasing its energy. It is primarily used to transport liquids such as water, oil, acids and alkalis, emulsions, suspensions, and liquid metals. During operation, the pump's environmental parameters vary linearly. Therefore, a device for linearly detecting pump performance parameters is necessary to capture the voltage, current, electrical power, shaft power, head, flow rate, and other parameters in this linearly varying environment, thereby verifying the pump's design. Summary of the Invention

[0003] The purpose of the utility model is to solve the above problems in the existing technology and to propose a linear detection device for water pump performance parameters.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a linear detection device for water pump performance parameters, including a frame, characterized in that a test chamber is provided at the front end of the frame, and two groups of test interfaces with different pipe diameters are installed in the upper and lower parts of the test chamber, including water outlet 1, water outlet 2, return water port 1 and return water port 2, the test interface is connected to a test pipeline inside the frame, the test pipeline includes a test liquid tank, the top of the test liquid tank is connected with a return water pipe 1 and a return water pipe 2, the return water pipe 1 is connected to the return water port 1, the return water pipe 2 is connected to the return water port 2, the return water pipe 1 and the return water pipe 2 are sequentially installed with an electric regulating valve and a pneumatic ball valve 1 on the test liquid tank end, the bottom of the test liquid tank is connected with a connecting pipe 1 and a connecting pipe 2 Pipe 2, a three-way ball valve 1 is installed at the end of the connecting pipe 1, the side outlet of the three-way ball valve 1 is connected to the water outlet 1 through the water outlet pipe 1, and the bottom outlet of the three-way ball valve 1 is connected to the inlet 1 of the Y-type connecting pipe, and a three-way ball valve 2 is installed at the end of the connecting pipe 2, the side outlet of the three-way ball valve 2 is connected to the water outlet 2 through the water outlet pipe 2, and the bottom outlet of the three-way ball valve 2 is connected to the inlet 2 of the Y-type connecting pipe, and a stop valve and a pneumatic ball valve 2 are installed on the connecting pipe 1 and the connecting pipe 2 in sequence from the end of the three-way ball valve, and the outlet of the Y-type connecting pipe is connected to the external recovery equipment. The bottom of the test liquid tank is also connected to a connecting pipe 3, and the connecting pipe 3 is connected to the external water supply equipment, and a pneumatic ball valve 3 is installed on the connecting pipe 3.

[0005] The working principle of the utility model is as follows: the inlet of the test water pump is connected to the outlet port 1, and the outlet of the test water pump is connected to the return port 1. The external test liquid is first introduced into the test liquid tank through the connecting pipe 3, and then transported to the outlet pipe 1 through the connecting pipe 1 and input into the water pump. After passing through the water pump, the test liquid is transported back to the test liquid tank through the return pipe 1; if the size of the test water pump is small, the inlet of the test water pump can be connected to the outlet port 2, and the outlet of the test water pump can be connected to the return port 2, and then subsequent operations can be performed; the test liquid in the test liquid tank is slowly adjusted from fully open to fully closed through the system-controlled electric regulating valve. During the entire test process, the flow rate of the water pump changes from large to small, and the head of the water pump changes from low to high. During the entire test process, the voltage, current, electric power, shaft power, head, flow rate and other parameters of the water pump are continuously recorded. After the test is completed, a performance curve of the water pump is generated, which helps water pump developers to have a digitized specific parameter for the performance of the developed water pump, and helps to analyze whether the water pump design is reasonable, whether the water pump is stable, whether the performance is up to standard and stable, etc.

[0006] A diverter pipe is further provided between the Y-shaped connecting pipe and the test liquid tank, and a pneumatic ball valve four is installed on the diverter pipe.

[0007] With the above structure, the auxiliary test liquid output tank is diverted.

[0008] Turbine flow meters are also installed on the return pipe 1 and the return pipe 2.

[0009] The above structure is used to measure the flow data in the pipeline.

[0010] A manual turntable is installed on the stop valve.

[0011] The above structure is adopted to facilitate manual control.

[0012] A water receiving trough is provided at the bottom of the testing chamber.

[0013] The above structure is adopted to collect the overflowed test liquid.

[0014] The rack package is equipped with a plurality of box doors.

[0015] The above structure plays a protective role and is convenient for opening the box door to disassemble and assemble the internal structure of the rack.

[0016] Compared with the existing technology, the linear detection device for water pump performance parameters has the following advantages: the utility model sets up two pipelines with the same function but different diameters and installs multiple valves on the pipelines, which can well simulate the linear environmental changes when the water pump is working, thereby capturing the voltage, current, electric power, shaft power, head, flow and other parameters of the water pump in the linear change environment, and detecting whether the design of the water pump is reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 This is a schematic diagram of the structure of the test pipeline in the utility model Figure 1 .

[0019] Figure 3 This is a schematic diagram of the structure of the test pipeline in the utility model Figure 2 .

[0020] In the figure, 1. rack; 2. outlet 1; 3. outlet 2; 4. return outlet 1; 5. return outlet 2; 6. test liquid tank; 7. return pipe 1; 8. return pipe 2; 9. electric regulating valve; 10. pneumatic ball valve 1; 11. connecting pipe 1; 12. connecting pipe 2; 13. three-way ball valve 1; 14. outlet pipe 1; 15. Y-type connecting pipe; 16. three-way ball valve 2; 17. outlet pipe 2; 18. stop valve; 19. pneumatic ball valve 2; 20. connecting pipe 3; 21. pneumatic ball valve 3; 22. diverter pipe; 23. pneumatic ball valve 4; 24. turbine flowmeter; 25. manual turntable; 26. water trough; 27. box door. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0022] like Figure 1-3As shown, the linear detection device for water pump performance parameters includes a frame 1, a test chamber is provided at the front end of the frame 1, and two groups of test interfaces with different pipe diameters are installed in the upper and lower parts of the test chamber, including a water outlet 2, a water outlet 3, a return water outlet 4 and a return water outlet 5. The test interface is connected to a test pipeline inside the frame 1, and the test pipeline includes a test liquid tank 6. The top of the test liquid tank 6 is connected to a return water pipe 7 and a return water pipe 8. The return water pipe 7 is connected to the return water outlet 4, and the return water pipe 8 is connected to the return water outlet 5. The return water pipe 7 and the return water pipe 8 are sequentially installed with an electric regulating valve 9 and a pneumatic ball valve 10 from the end of the test liquid tank 6. The bottom of the test liquid tank 6 is connected to a connecting pipe 11 and a connecting pipe 2 12. The end of the connecting pipe 11 is installed with a three-way ball valve 13 The side outlet of the three-way ball valve 13 is connected to the water outlet 12 through the outlet pipe 14, the bottom outlet of the three-way ball valve 13 is connected to the inlet 1 of the Y-type connecting pipe 15, and the end of the connecting pipe 2 is installed with a three-way ball valve 2 16. The side outlet of the three-way ball valve 2 is connected to the water outlet 2 3 through the outlet pipe 2 17, and the bottom outlet of the three-way ball valve 2 16 is connected to the inlet 2 of the Y-type connecting pipe 15. The stop valve 18 and the pneumatic ball valve 2 19 are installed on the connecting pipe 11 and the connecting pipe 2 12 in sequence from the end of the three-way ball valve. The outlet of the Y-type connecting pipe 15 is connected to the external recovery equipment. The bottom of the test liquid tank 6 is also connected to the connecting pipe 3 20, which is connected to the external water supply equipment. The connecting pipe 3 20 is installed with a pneumatic ball valve 3 21.

[0023] The test tank in the utility model is an existing product for testing water pumps and is connected with various pipelines as a central component.

[0024] In the present invention, each valve is connected and driven by the existing technology, and synchronous control is achieved through the control components installed inside the frame 1.

[0025] The control component in the present invention is an existing product.

[0026] The electric regulating valve 9, the pneumatic ball valve 10, the stop valve 18 and the pneumatic ball valve 2 19 installed on the two pipelines in the utility model have the same structure except that the pipe diameters are different.

[0027] A shunt pipe 22 is further provided between the Y-shaped connecting pipe 15 and the test liquid tank 6 , and a pneumatic ball valve 23 is installed on the shunt pipe 22 .

[0028] Each valve in the utility model adopts existing products.

[0029] Turbine flowmeters 24 are also installed on return pipe 1 7 and return pipe 2 8.

[0030] A manual rotary disc 25 is installed on the stop valve 18 .

[0031] A water receiving trough 26 is provided at the bottom of the test chamber.

[0032] The rack 1 is wrapped and installed with a plurality of doors 27 .

[0033] The working principle of the utility model is as follows: the inlet of the test water pump is connected to the outlet 2, and the outlet of the test water pump is connected to the return port 4. The external test liquid is first introduced into the test liquid tank 6 through the connecting pipe 3 20, and then transported to the outlet pipe 14 through the connecting pipe 11 and input into the water pump. After passing through the water pump, the test liquid is returned to the test liquid tank 6 through the return pipe 17; if the size of the test water pump is small, the inlet of the test water pump can be connected to the outlet 3, and the outlet of the test water pump can be connected to the return port 5, and then subsequent operations can be carried out; the test liquid in the test liquid tank 6 The test liquid is controlled by the system to gradually reduce the electric regulating valve 9 from fully open to fully closed. During the entire test process, the flow rate of the water pump changes from large to small, while the head of the water pump changes from low to high. During the entire test process, the voltage, current, electric power, shaft power, head, flow rate and other parameters of the water pump are continuously recorded. After the test is completed, a performance curve of the water pump is generated to help water pump developers have a digitized and specific parameter for the performance of the developed water pump, and help analyze whether the water pump design is reasonable, whether the water pump is stable, and whether the performance is up to standard and stable.

[0034] The utility model only allows the use of one pipeline during operation, that is, the test water pump can only be connected to the outlet 1 2 and the return port 1 4 or the outlet 2 3 and the return port 2 5. When one of the pipelines is working, the other pipeline is completely closed.

[0035] The above components are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0036] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A linear detection device for water pump performance parameters, comprising a frame (1), characterized in that: The front end of the frame (1) is provided with a test chamber, and two groups of test interfaces with different pipe diameters are installed in the test chamber, including a water outlet 1 (2), a water outlet 2 (3), a return water outlet 1 (4) and a return water outlet 2 (5). The test interface is connected to a test pipeline inside the frame (1), and the test pipeline includes a test liquid tank (6). The top of the test liquid tank (6) is connected with a return water pipe 1 (7) and a return water pipe 2 (8). The return water pipe 1 (7) is connected to the return water outlet 1 (4), and the return water pipe 2 (8) is connected to the return water outlet 2 (5). The return water pipe 1 (7) and the return water pipe 2 (8) are sequentially installed with an electric regulating valve (9) and a pneumatic ball valve 1 (10) from the end of the test liquid tank (6). The bottom of the test liquid tank (6) is connected with a connecting pipe 1 (11) and a connecting pipe 2 (12). The end of the connecting pipe 1 (11) is installed with a three-way ball valve 1 (13). The three-way ball valve The side outlet of the first (13) is connected to the first water outlet (2) through the first water outlet pipe (14), the bottom outlet of the first three-way ball valve (13) is connected to the first inlet of the Y-type connecting pipe (15), the end of the second connecting pipe (12) is installed with the second three-way ball valve (16), the side outlet of the second three-way ball valve is connected to the second water outlet (3) through the second water outlet pipe (17), the bottom outlet of the second three-way ball valve (16) is connected to the second inlet of the Y-type connecting pipe (15), the first connecting pipe (11) and the second connecting pipe (12) are sequentially installed with a stop valve (18) and a second pneumatic ball valve (19) from the end of the three-way ball valve, the outlet of the Y-type connecting pipe (15) is connected to an external recovery device, the bottom of the test liquid tank (6) is also connected to a third connecting pipe (20), the third connecting pipe (20) is connected to an external water supply device, and the third connecting pipe (20) is installed with a third pneumatic ball valve (21).

2. A water pump performance parameter linear detection device according to claim 1, characterized in that: A diverter pipe (22) is further provided between the Y-shaped connecting pipe (15) and the test liquid tank (6), and a pneumatic ball valve (23) is installed on the diverter pipe (22).

3. A water pump performance parameter linear detection device according to claim 1, characterized in that: Turbine flow meters (24) are also installed on the return pipe 1 (7) and the return pipe 2 (8).

4. A water pump performance parameter linear detection device according to claim 1, characterized in that: A manual rotary disc (25) is installed on the stop valve (18).

5. A water pump performance parameter linear detection device according to claim 1, characterized in that: A water receiving trough (26) is provided at the bottom of the test chamber.

6. A water pump performance parameter linear detection device according to claim 1, characterized in that: The frame (1) is wrapped and installed with a plurality of box doors (27).

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