Cyclic test system of water pump pool test bench

Abstract

The utility model relates to a circulation test system of a water pump pool testboard, which comprises a water inlet pool, a water return pool, a water inlet header pipe module, a water outlet header pipe module and a test pump, and is characterized in that the water inlet pool and the water return pool are communicated through the water inlet header pipe module and the water outlet header pipe module to form a closed test loop; the water inlet header pipe module comprises a water inlet pipe, an eccentric reducer and an inlet pressure tapping pipe which are connected in sequence, the water outlet header pipe module comprises a water outlet pipe, a metal hose and an outlet pressure tapping pipe which are connected in sequence, and a test pump is arranged between the inlet pressure tapping pipe and the outlet pressure tapping pipe; the inlet pressure tapping pipe is provided with a first deflation valve used for discharging gas in the inlet pipeline and an inlet pressure sensor used for testing the inlet pressure of the water pump. The outlet pressure tapping pipe is provided with a second deflation valve used for discharging gas in the outlet pipeline and an outlet pressure sensor used for testing the outlet pressure of the water pump. Appropriate water inlet pipes and water outlet pipes can be selected for rapid connection according to inlet and outlet sizes and installation heights of the test pump, and the test efficiency is improved.

Description

[TECHNICAL FIELD]

[0001] The utility model relates to water pump performance test technical field, concretely is a kind of water pump pool test bench circulation test system. [BACKGROUND]

[0002] At present, existing water pump test equipment has problems such as fixed structure, single test parameter and poor applicability.For example, the traditional test bench mostly adopts single circulation loop, which is difficult to simulate complex working conditions;Moreover, the pipeline system has low integration degree and high maintenance cost;In addition, it lacks the simulation capability of actual operating environment such as water inlet impurities and pressure fluctuation. [UTILITY MODEL CONTENTS]

[0003] The utility model discloses a kind of water pump pool test bench circulation test systems to solve the above-mentioned deficiencies, can be connected quickly according to the import and export size and installation height of test pump Select appropriate water inlet pipe and water outlet pipe, improve test efficiency, make the data of test pump more accurate.

[0004] To achieve the above-mentioned purpose, a kind of water pump pool test bench circulation test system is designed, including water inlet pool 100, backwater pool 200, water inlet main pipe module 300, water outlet main pipe module 400 and test pump 500, the water inlet pool 100 is through water inlet main pipe module 300 and water outlet main pipe module 400 with backwater pool 200 and forms closed test loop, the water inlet main pipe module 300 includes water inlet pipe, eccentric variable diameter 303 and import pressure pipe 304 connected in sequence, the water outlet main pipe module 400 includes water outlet pipe, metal hose 403 and export pressure pipe 404 connected in sequence, the import pressure pipe 304 is equipped with test pump 500 between export pressure pipe 404, the import pressure pipe 304 is provided with air release valve one 305 and import pressure sensor 306, the air release valve one 305 is used for discharging gas in water inlet pipe line, the import pressure sensor 306 is used for testing water pump import pressure, the export pressure pipe 404 is provided with air release valve two 405 and export pressure sensor 406, the air release valve two 405 is used for discharging gas in water outlet pipe line, the export pressure sensor 406 is used for testing water pump export pressure.

[0005] Further, the water inlet pipe of the water inlet main pipe module 300 is provided with filter screen 301 and import gate valve 302, the filter screen 301 is located at the connection place of water inlet pipe and water inlet pool 100, the filter screen 301 is used to filter impurities to avoid entering water pump and blocking flow passage, and then the phenomenon of burning motor or water pump occurs.

[0006] Further, the outlet pipe of the outlet water main module 400 is provided with an electric regulating valve 401 and a flow meter 402, the electric regulating valve 401 is used for adjusting the outlet flow of the test pump 500, and the flow is monitored in real time through the flow meter 402, so that the signal is uploaded and fed back to the electric regulating valve 401 to accurately control the flow by controlling the valve opening.

[0007] Further, the test pump 500, the inlet pressure sensor 306, the outlet pressure sensor 406, the electric regulating valve 401 and the flow meter 402 are electrically connected with a PLC controller respectively, the PLC controller is used for collecting pressure and flow data in real time, and the electric regulating valve 401 is adjusted in linkage.

[0008] Further, the inlet pipe of the inlet water main module 300 and the outlet pipe of the outlet water main module 400 are provided with movable supports 600 at the bottom, the movable supports 600 are height-adjustable supports, universal wheels are arranged at the bottom of the movable supports 600, so that the installation positions of the inlet and outlet water main pipes can be freely moved to adapt to different models of test pumps 500.

[0009] Further, the ground of the backwater pool 200 is provided with a slope towards the ground of the inlet pool 100, so that the water in the backwater pool 200 can flow into the inlet pool 100, a water storage pit is arranged in the inlet pool 100, and a sewage pump is arranged in the water storage pit, so that sewage can be discharged to a municipal sewage system.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] (1) The utility model discloses a system through modularization, double-pool through design, intelligent sensor integration and adjustable pipeline system, realizes the accurate test of water pump multiple parameters and multiple working conditions.

[0012] (2) The utility model discloses a modular design, and the pipeline system standard interface can support different water pumps to be quickly replaced, and the test efficiency is improved.

[0013] (3) The utility model discloses a multiple working condition simulation, can integrate flow, pressure, and cover water pump life cycle performance test.

[0014] (4) The utility model discloses an intelligent measurement and control, can real-time data acquisition and analysis, and automatically generates a test report.

[0015] (5) The utility model discloses an energy-saving and environment-friendly, and the double-pool circulating system supports water resource recycling.

[0016] (6) The utility model discloses a modularization water pump test bench based on double-pool through structure, is suitable for the flow, pressure, energy consumption performance test of centrifugal pump, sewage pump and other various types of water pumps.

[0017] In conclusion, the utility model discloses according to the import and export size and installation height of test pump selects the suitable water inlet pipe and water outlet pipe quick -witted connection, system integration PLC controller, real -time acquisition pressure, flow data, linkage electric regulating valve regulation working condition, make the data of test pump more accurate, it is worth promoting application. [SUMMARY]

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is Figure 1 The partial close -up of A in the middle;

[0020] Figure 3 It is Figure 1 The partial close -up of B in the middle;

[0021] In the drawing: 100, water inlet pool 200, backwater pool 300, water inlet main pipe module 301, filter screen 302, import gate valve 303, eccentric variable diameter 304, import pressure pipe 305, air release valve one 306, import pressure sensor 400, water outlet main pipe module 401, electric regulating valve 402, flowmeter 403, metal hose 404, export pressure pipe 405, air release valve two 406, export pressure sensor 500, test pump 600, movable support. [DETAILED DESCRIPTION]

[0022] The utility model discloses a kind of modularization water pump test systems based on double water pool through structure, suitable for the flow, pressure, energy consumption performance test of various types water pump such as centrifugal pump, sewage pump.

[0023] As attached Figure 1 To attached Figure 3The utility model provides a kind of water pump pool test bench circulation test system, including inlet pool 100, backwater pool 200, inlet water main module 300, outlet water main module 400 and test pump 500, inlet pool 100 is through inlet water main module 300 and outlet water main module 400 with backwater pool 200 and forms closed test loop, inlet water main module 300 includes inlet pipe, eccentric variable diameter 303 and inlet pressure pipe 304 connected in turn, outlet water main module 400 includes outlet pipe, metal hose 403 and outlet pressure pipe 404 connected in turn, test pump 500 is installed between inlet pressure pipe 304 and outlet pressure pipe 404, inlet pressure pipe 304 is provided with air release valve one 305 and inlet pressure sensor 306, air release valve one 305 is used to discharge gas in inlet pipe line, and inlet pressure sensor 306 is used to test water pump inlet pressure, outlet pressure pipe 404 is provided with air release valve two 405 and outlet pressure sensor 406, air release valve two 405 is used to discharge gas in outlet pipe line, and outlet pressure sensor 406 is used to test water pump outlet pressure.

[0024] Inlet pipe of inlet water main module 300 is provided with filter screen 301 and inlet gate valve 302, filter screen 301 is located at the place where inlet pipe is connected with inlet pool 100, filter screen 301 is used to filter impurities to avoid entering water pump and blocking flow channel, and then the phenomenon of burning motor or water pump occurs;Outlet pipe of outlet water main module 400 is provided with electric regulating valve 401 and flowmeter 402, electric regulating valve 401 is used to adjust the outlet flow of test pump 500, and real-time monitoring is carried out through flowmeter 402, so that signal is uploaded and feedback to electric regulating valve 401 to accurately control flow through valve opening degree;Test pump 500, inlet pressure sensor 306, outlet pressure sensor 406, electric regulating valve 401 and flowmeter 402 are electrically connected with PLC controller respectively, and PLC controller is used to collect pressure and flow data in real time, and drive electric regulating valve 401 to adjust working condition.

[0025] The ground of backwater pool 200 is provided with slope towards the ground of inlet pool 100, to ensure that water in backwater pool 200 flows into inlet pool 100, inlet pool 100 is provided with water storage pit inside, and sewage pump is built-in in water storage pit, so as to discharge sewage to municipal sewage system.The bottom of inlet pipe of inlet water main module 300 and outlet pipe of outlet water main module 400 is provided with movable support 600, movable support 600 is height-adjustable support, and universal wheel is arranged at the bottom of movable support 600, so that the installation position of inlet and outlet water main can be freely moved to adapt to different models of test pump 500.

[0026] The utility model will be further described below in combination with drawings:

[0027] To achieve the above purpose, a water pump water pool test bench and its circulating test system, including water inlet pool, backwater pool, water inlet main module, water outlet main module, pressure taking module, sensor and movable support, etc.; the water inlet pool 100 and the backwater pool 200 are through at the bottom, connected by inlet and outlet pipeline circulating pipeline, forming a closed test loop, supporting water resource recycling; the ground of the backwater pool 200 is set to slope towards the ground of the water inlet pool 100, ensuring that the water of the backwater pool can all flow into the water inlet pool, and the water inlet pool is internally provided with a water storage pit, which can be used to put a sewage pump into the water storage pit when the water pool is periodically replaced or cleaned, so as to discharge sewage to the municipal sewage system.

[0028] The water inlet main module 300 includes a filter screen 301, an inlet gate valve 302, an eccentric variable diameter 303, an inlet pressure taking pipe module 304, and a movable support 600. The inlet pressure taking pipe module 304 is provided with a gas release valve one 305 and an inlet pressure sensor 306. The filter screen 301 is used to filter impurities to avoid entering the water pump and blocking the flow passage and burning the motor or the water pump. The gas release valve one 305 discharges gas in the inlet pipeline. The inlet pressure sensor 306 tests the inlet pressure of the water pump and uploads it to the test system. The movable support 600 is arranged at the bottom of the water inlet main module to support height and angle adjustment. Universal wheels are arranged at the bottom of the support to freely move the installation position of the water inlet main module to adapt to different models of test pumps 500.

[0029] The water outlet main module 400 includes an electric regulating valve 401, a flowmeter 402, a metal hose 403, and an outlet pressure taking pipe module 404. The pressure taking pipe module is provided with a gas release valve two 405 and an outlet pressure sensor 406. The regulating valve adjusts the outlet flow of the test pump 500, which is monitored in real time by the flowmeter 402 and uploads signals to the test system. The test system feeds back signals to the electric regulating valve 401 to accurately control the flow by controlling the valve opening. The metal hose 403 can be flexibly connected to the test pump to avoid the problem of additional force or misconnection caused by rigidly connected pipelines. The gas release valve two 405 discharges gas in the water outlet pipeline. The outlet pressure sensor 406 tests the outlet pressure of the water pump and uploads it to the test system. The lift of the water pump is calculated by the net outlet pressure difference. The movable support 600 is arranged at the bottom of the water outlet main module to support height and angle adjustment. Universal wheels are arranged at the bottom of the support to freely move the installation position of the water outlet main module to adapt to different models of test pumps 500.

[0030] The pipelines of the water inlet main module 300 and the water outlet main module 400 are connected by standard flanges, which can be freely matched according to the actual measurement of the pump and fixed by locking bolts. The movable support 600 can realize the movement of the inlet and outlet pipelines modules in front, back, left and right directions and the up and down adjustment, meeting the connection requirements of various water pump diameters and length directions.

[0031] This utility model relates to a water pump and water tank test bench and its circulation test system, which integrates a PLC controller to collect pressure and flow data in real time and link electric regulating valves to adjust the operating conditions. It can also be configured with a human-machine interface to support preset test parameters, data storage, and curve generation.

[0032] In summary, this utility model includes an inlet tank, an outlet tank, and a modular piping system. The dual-tank design enables water circulation testing. The piping system integrates a filter, electric regulating valve, pressure sensor, and flow meter, supporting multi-parameter monitoring of flow and pressure. The movable support is adaptable to different pump models, and the modular structure facilitates maintenance. This testing system is suitable for pump performance evaluation, fault diagnosis, and operating condition simulation. It is highly efficient, energy-saving, and multifunctional, and can be widely applied in pump research and development, quality inspection, and teaching.

[0033] The contents not described in detail in this specification are existing technologies known to those skilled in the art. The standard parts used can be purchased from the market, and the irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the circuit connection adopts conventional connection methods in the existing technology, which will not be described in detail here.

[0034] This utility model is not limited to the above-described embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of this utility model shall be considered equivalent substitutions and shall be included within the protection scope of this utility model.

Claims

1. A water pump sump test stand circulation test system, characterized by: The utility model provides a water pump test device, including water inlet pool (100), backwater pool (200), water inlet main module (300), water outlet main module (400) and test pump (500), and water inlet pool (100) and backwater pool (200) are through water inlet main module (300) and water outlet main module (400) and form closed test loop, water inlet main module (300) includes water inlet pipe, eccentric variable diameter (303) and import pressure pipe (304) connected in sequence, water outlet main module (400) includes water outlet pipe, metal hose (403) and export pressure pipe (404) connected in sequence, and test pump (500) is arranged between import pressure pipe (304) and export pressure pipe (404), import pressure pipe (304) is provided with air release valve no.

2. The pump basin test stand circulating test system of claim 1, wherein: The water inlet pipe of the water inlet main module (300) is provided with a filter screen (301) and an inlet gate valve (302), the filter screen (301) is arranged at the connection between the water inlet pipe and the water inlet pool (100), and the filter screen (301) is used for filtering impurities to avoid clogging the flow passage of the water pump.

3. The pump chamber test stand circulating test system of claim 1 or 2, wherein: The water outlet pipe of the water outlet main module (400) is provided with an electric regulating valve (401) and a flowmeter (402), the electric regulating valve (401) is used for adjusting the outlet flow of the test pump (500), and the real-time monitoring is realized through the flowmeter (402).

4. The pump basin test stand circulating test system of claim 3, wherein: The test pump (500), the import pressure sensor (306), the export pressure sensor (406), the electric regulating valve (401) and the flowmeter (402) are electrically connected with a PLC controller respectively, the PLC controller is used for collecting pressure and flow data in real time and driving the electric regulating valve (401) to adjust the working condition.

5. The pump basin test stand circulating test system of claim 1, wherein: The water inlet pipe of the water inlet main module (300) and the water outlet pipe of the water outlet main module (400) are provided with movable supports (600) at the bottom, the movable supports (600) are height-adjustable supports, and universal wheels are arranged at the bottom of the movable supports (600).

6. The pump chamber test stand circulating test system of claim 1, wherein: The ground of the backwater pool (200) is provided with a slope towards the ground of the water inlet pool (100) to ensure that the water in the backwater pool (200) flows into the water inlet pool (100), the water inlet pool (100) is internally provided with a water storage pit, and a sewage pump is arranged in the water storage pit.

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