CN211827866U - Centrifugal pump performance test teaching experiment table - Google Patents
Centrifugal pump performance test teaching experiment table Download PDFInfo
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- CN211827866U CN211827866U CN201921774621.XU CN201921774621U CN211827866U CN 211827866 U CN211827866 U CN 211827866U CN 201921774621 U CN201921774621 U CN 201921774621U CN 211827866 U CN211827866 U CN 211827866U
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Abstract
The utility model belongs to the technical field of instrument and equipment is used in the refrigeration system teaching, especially, relate to a centrifugal pump performance test teaching experiment platform. The utility model provides a centrifugal pump performance test teaching experiment table, which comprises a supporting table, a centrifugal pump unit, a variable frequency control box, an outlet valve, a flowmeter, an inlet vacuum meter, an outlet pressure gauge, an inlet check valve, a water storage tank and an inlet valve, wherein the centrifugal pump unit, the variable frequency control box, the outlet valve, the flowmeter, the inlet vacuum meter, the outlet pressure gauge and the inlet check valve are arranged on the table top of the supporting table; the water storage tank is connected to an inlet valve inlet through a check valve, an inlet valve water outlet is connected to an inlet of the centrifugal pump unit, and the variable frequency control box comprises a frequency converter electrically connected with a water pump in the centrifugal pump unit; the utility model discloses the student of being convenient for understands, makes its structure and the function that can learn this machine pipe-line system of centrifugation to know the centrifugal pump performance test teaching experiment platform of the performance of each structure and state in the centrifugal pump operation process, simplified all kinds of auxiliary system and more complicated longer pipeline, can effectively improve the student and understand the absorptive capacity.
Description
Technical Field
The utility model belongs to the technical field of instrument and equipment is used in the refrigeration system teaching, especially, relate to a centrifugal pump performance test teaching experiment platform.
Background
The refrigeration system is one of the necessary auxiliary systems of various power systems, and is the important core for keeping various driving dynamic systems continuously running and ensuring the safety of the systems, while the centrifugal pump is the basic element of various refrigeration systems and other types of control systems, generally, the centrifugal pump is mainly arranged in the middle of a pipeline to finish the driving and transmission of fluid, the basic structure and the working principle are simpler, but with the increase of the control precision of equipment instruments to the working system, the requirements of people on the state and the performance of the centrifugal pump in the working time and the influence control of pipelines or systems at the front end and the rear end of the centrifugal pump are higher and higher, in the actual use process, due to the structural characteristics of the front end and the rear end of the centrifugal pump and the self of the centrifugal pump, the state of the fluid in the process of entering and exiting the centrifugal pump can be changed, and the flow speed and the pressure of the front end, in the actual control process, the balance within the range is realized based on various direct and feedback control combined modes, as an operator, besides the control management of the states of the centrifugal pump and the system can be carried out according to the data of various sensors and instruments, the operator can also analyze and judge the detailed states of various elements or pipelines in the process of executing various actions during the operation of the centrifugal pump and the system, predict the possible risks, give early warning, prepare for presetting the actions, master the corresponding functions for a student, and not only can intuitively understand the specific structure, the action process, the control system and the principle of the centrifugal pump, but also needs the student to thoroughly understand the states of the control system, the centrifugal pump and the front and rear pipelines thereof and the control process in the use process.
Disclosure of Invention
An object of the utility model is to provide a simple structure, the simple operation can effectively improve student's learning efficiency, improves and understands cooling system especially centrifugal pump theory of operation, system architecture to can carry out actual control operation, simulate the centrifugal pump performance test teaching experiment platform of multiple training works such as maintenance, management to key node.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
The utility model provides a centrifugal pump performance test teaching experiment table, which comprises a supporting table 1, a centrifugal pump unit 2, a variable frequency control box, an outlet valve 4, a flowmeter 11, an inlet vacuum meter 6, an outlet pressure meter 7, an inlet check valve 8, a water storage tank 9 and an inlet valve 3, wherein the centrifugal pump unit 2, the variable frequency control box, the outlet valve and the inlet check valve are arranged on the table top of the supporting table 1;
the water storage tank 9 is connected to the inlet of the inlet valve 3 through a check valve 10, the water outlet of the inlet valve 3 is connected to the inlet of the centrifugal pump unit 2, and an inlet vacuum meter 6 and a pressure sensor P1 are arranged between the outlet of the inlet valve 3 and the inlet of the centrifugal pump unit 2; an outlet of the centrifugal pump unit 2 is connected to a water storage tank 9 through an outlet valve 4, a flow meter 11 is arranged between the outlet valve 4 and the outlet of the centrifugal pump unit 2, and an outlet pressure gauge 7 is arranged between the outlet of the centrifugal pump unit 2 and the inlet of the outlet valve 4;
the variable frequency control box comprises a frequency converter electrically connected with a water pump in the centrifugal pump unit 2; the variable frequency control box is vertically arranged on the left side or the right side of the supporting table, and the dial plates of the inlet vacuum gauge 6 and the outlet pressure gauge 7 are fixed on the end surface of the variable frequency control box facing the rear side of the supporting table 1;
a button panel is embedded on the end surface of the variable frequency control box departing from the center of the tabletop of the supporting table 1; the button panel is at least provided with a start button and a stop button for controlling the on-off of the power supply of the centrifugal pump unit 2 and a display screen for displaying the state of the test bed.
The further improvement of the centrifugal pump performance test teaching experiment table also comprises that a water inlet of the centrifugal pump unit 2 is horizontally arranged and faces the variable frequency control box, and a water outlet of the centrifugal pump unit 2 is connected to the water storage tank 9 through a water outlet pipeline; the water outlet pipeline extends upwards vertically, then extends forwards to the direction of the variable frequency control box to be close to the variable frequency control box, extends to the front side of the support table 1 and finally is communicated downwards to the water storage tank 9; the flow meter 11 is arranged at the horizontal part of the water outlet pipeline, and a meter head display window of the flow meter 11 faces the front side of the support table 1; the outlet valve 4 is arranged at the vertical part of the water outlet pipeline close to the front side of the support table 1; the water inlet of the centrifugal pump unit 2 is connected to the water storage tank 9 through a water inlet pipeline; the water inlet pipeline is horizontally arranged, extends towards the variable frequency control box and then is communicated downwards to the water storage tank 9; the inlet valve 3 is arranged at the horizontal section of the water inlet pipeline.
The further improvement of the centrifugal pump performance test teaching experiment table also comprises that a detection head of an inlet vacuum meter 6 is arranged between an outlet of an inlet valve 3 and an inlet of the centrifugal pump unit 2, and a meter head of the inlet vacuum meter 6 is embedded at the front side of the variable frequency control box; the detection head of the outlet pressure gauge 7 is arranged at the outlet of the centrifugal pump unit 2 and the inlet of the outlet valve 4, and the gauge head of the outlet pressure gauge 7 is embedded at the front side of the variable frequency control box.
The centrifugal pump performance test teaching experiment table is further improved in that a centrifugal pump miniature pipeline is arranged on the side face of the variable frequency control box and is respectively connected with the water outlet pipeline and the water inlet pipeline.
The beneficial effects are that:
the basic object of the present invention is to provide a centrifugal pump performance testing and teaching experiment table which is convenient for students to understand, so as to learn the structure and function of the pipeline system of the centrifugal pump machine, and understand the performance and state of each structure during the operation of the centrifugal pump, the testing and teaching experiment table simulates the structure of the centrifugal pump unit system under the actual working condition in principle and function, and simplifies various auxiliary systems and more complicated and longer pipelines, so as to effectively improve the understanding and absorbing ability of the students, and can also operate and simulate the operation state of the actual system, through the reasonable arrangement of the structural relations and orientations, the students can overview the whole system structure, various key nodes and the panel of the surface instrument on one side of the experiment table, improve the teaching efficiency, and can also be used as a suggested troubleshooting and maintenance platform for the fault maintenance of the centrifugal pump unit system, the student can repair and sort the possible faults in a classroom or a laboratory and can also track fault precursors, thereby being convenient for overall understanding of the front and back flow states.
Drawings
FIG. 1 is a schematic structural principle diagram of a centrifugal pump performance test teaching experiment table;
FIG. 2 is a schematic structural principle diagram of a centrifugal pump performance test teaching experiment table;
FIG. 3 is a schematic structural principle diagram of a centrifugal pump performance test teaching experiment table;
FIG. 4 is a schematic structural principle diagram of a centrifugal pump performance test teaching experiment table.
Detailed Description
The present invention will be described in detail with reference to the following specific examples.
As shown in fig. 1-4, the utility model provides a centrifugal pump performance test teaching experiment table, which comprises a supporting table 1, a centrifugal pump unit 2, a variable frequency control box, an outlet valve 4, a flowmeter 11, an inlet vacuum meter 6, an outlet pressure gauge 7, an inlet check valve 8, a water storage tank 9 and an inlet valve 3, which are arranged below the supporting table 1, and are arranged on the table top of the supporting table 1;
the water storage tank 9 is connected to the inlet of the inlet valve 3 through a check valve 10, the water outlet of the inlet valve 3 is connected to the inlet of the centrifugal pump unit 2, and an inlet vacuum meter 6 and a pressure sensor P1 are arranged between the outlet of the inlet valve 3 and the inlet of the centrifugal pump unit 2; an outlet of the centrifugal pump unit 2 is connected to a water storage tank 9 through an outlet valve 4, a flow meter 11 is arranged between the outlet valve 4 and the outlet of the centrifugal pump unit 2, and an outlet pressure gauge 7 is arranged between the outlet of the centrifugal pump unit 2 and the inlet of the outlet valve 4;
the variable frequency control box comprises a frequency converter electrically connected with a water pump in the centrifugal pump unit 2; the variable frequency control box is vertically arranged on the left side or the right side of the supporting table, and the dial plates of the inlet vacuum gauge 6 and the outlet pressure gauge 7 are fixed on the end surface of the variable frequency control box facing the rear side of the supporting table 1;
a button panel is embedded on the end surface of the variable frequency control box departing from the center of the tabletop of the supporting table 1; the button panel is at least provided with a start button and a stop button for controlling the on-off of the power supply of the centrifugal pump unit 2 and a display screen for displaying the state of the test bed.
In order to facilitate the study of the student, the student can integrally know the system from one side, the water inlet of the centrifugal pump unit 2 is horizontally arranged and faces the variable frequency control box, and the water outlet of the centrifugal pump unit 2 is connected to the water storage tank 9 through a water outlet pipeline; the water outlet pipeline extends upwards vertically, then extends forwards to the direction of the variable frequency control box to be close to the variable frequency control box, extends to the front side of the support table 1 and finally is communicated downwards to the water storage tank 9; the flow meter 11 is arranged at the horizontal part of the water outlet pipeline, and a meter head display window of the flow meter 11 faces the front side of the support table 1; the outlet valve 4 is arranged at the vertical part of the water outlet pipeline close to the front side of the support table 1; the water inlet of the centrifugal pump unit 2 is connected to the water storage tank 9 through a water inlet pipeline; the water inlet pipeline is horizontally arranged, extends towards the variable frequency control box and then is communicated downwards to the water storage tank 9; the inlet valve 3 is arranged at the horizontal section of the water inlet pipeline.
The detection head of the inlet vacuum meter 6 is arranged between the outlet of the inlet valve 3 and the inlet of the centrifugal pump unit 2, and the meter head of the inlet vacuum meter 6 is embedded at the front side of the variable frequency control box; the detection head of the outlet pressure gauge 7 is arranged at the outlet of the centrifugal pump unit 2 and the inlet of the outlet valve 4, and the gauge head of the outlet pressure gauge 7 is embedded at the front side of the variable frequency control box.
The side of the frequency conversion control box is provided with a centrifugal pump miniature pipeline which is respectively connected with a water outlet pipeline and a water inlet pipeline, the miniature pipeline is a reduced version of an actual centrifugal pump system and management thereof, a water inlet and a water outlet in the miniature pipeline are respectively communicated with a water inlet pipeline and a water outlet pipeline of the table top of the test table, and sections of the miniature pipelines corresponding to the water inlet pipeline and the water outlet pipeline of the table top of the test table are also provided with corresponding flow detection elements and pressure detection elements.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. A centrifugal pump performance test teaching experiment table is characterized by comprising a supporting table (1), a centrifugal pump unit (2), a variable frequency control box, an outlet valve (4), a flowmeter (11), an inlet vacuum gauge (6), an outlet pressure gauge (7), an inlet check valve (8), a water storage tank (9) and an inlet valve (3), wherein the centrifugal pump unit (2), the variable frequency control box, the outlet valve (4), the flowmeter (11), the inlet vacuum gauge (6), the outlet pressure gauge (7) and the inlet check valve (8) are arranged on the table;
the water storage tank (9) is connected to an inlet of the inlet valve (3) through a check valve (10), a water outlet of the inlet valve (3) is connected to an inlet of the centrifugal pump unit (2), and an inlet vacuum meter (6) and a pressure sensor (P1) are arranged between an outlet of the inlet valve (3) and the inlet of the centrifugal pump unit (2); an outlet of the centrifugal pump unit (2) is connected to a water storage tank (9) through an outlet valve (4), a flow meter (11) is arranged between the outlet valve (4) and an outlet of the centrifugal pump unit (2), and an outlet pressure gauge (7) is arranged between the outlet of the centrifugal pump unit (2) and an inlet of the outlet valve (4);
the variable frequency control box comprises a frequency converter electrically connected with a water pump in the centrifugal pump unit; the variable frequency control box is vertically arranged on the left side or the right side of the supporting table, and dial plates of an inlet vacuum gauge (6) and an outlet pressure gauge (7) are fixed on the end face, facing the rear side of the supporting table (1), of the variable frequency control box;
a button panel is embedded on the end surface of the variable frequency control box, which is far away from the center of the tabletop of the supporting table (1); the button panel is at least provided with a start button and a stop button for controlling the on-off of the power supply of the centrifugal pump unit (2) and a display screen for displaying the state of the test bed.
2. The centrifugal pump performance test teaching experiment table according to claim 1, wherein a water inlet of the centrifugal pump unit (2) is horizontally arranged and faces a variable frequency control box, and a water outlet of the centrifugal pump unit (2) is connected to a water storage tank (9) through a water outlet pipeline; the water outlet pipeline extends upwards and vertically, then extends forwards to the direction of the variable frequency control box after extending to the direction close to the variable frequency control box, extends to the front side of the support table (1), and finally is communicated downwards to the water storage tank (9); the flow meter (11) is arranged at the horizontal part of the water outlet pipeline, and a meter head display window of the flow meter (11) faces the front side of the support table (1); the outlet valve (4) is arranged at the vertical part of the water outlet pipeline close to the front side of the support table (1); the water inlet of the centrifugal pump unit (2) is connected to the water storage tank (9) through a water inlet pipeline; the water inlet pipeline is horizontally arranged, extends towards the variable frequency control box and then is communicated downwards to the water storage tank (9); the inlet valve (3) is arranged on the horizontal section of the water inlet pipeline.
3. The centrifugal pump performance test teaching experiment table as claimed in claim 2, wherein a detection head of the inlet vacuum meter (6) is arranged between an outlet of the inlet valve (3) and an inlet of the centrifugal pump unit (2), and a meter head of the inlet vacuum meter (6) is embedded in the front side of the variable frequency control box; the detection head of the outlet pressure gauge (7) is arranged at the outlet of the centrifugal pump unit (2) and the inlet of the outlet valve (4), and the gauge head of the outlet pressure gauge (7) is embedded at the front side of the variable frequency control box.
4. The centrifugal pump performance test teaching experiment table as claimed in claim 2, wherein a centrifugal pump miniature pipeline is arranged on the side surface of the variable frequency control box, and the miniature pipeline is respectively connected with the water outlet pipeline and the water inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774621.XU CN211827866U (en) | 2019-10-22 | 2019-10-22 | Centrifugal pump performance test teaching experiment table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921774621.XU CN211827866U (en) | 2019-10-22 | 2019-10-22 | Centrifugal pump performance test teaching experiment table |
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| CN211827866U true CN211827866U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921774621.XU Active CN211827866U (en) | 2019-10-22 | 2019-10-22 | Centrifugal pump performance test teaching experiment table |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550914A (en) * | 2021-08-24 | 2021-10-26 | 常熟理工学院 | Centrifugal pump test system |
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- 2019-10-22 CN CN201921774621.XU patent/CN211827866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550914A (en) * | 2021-08-24 | 2021-10-26 | 常熟理工学院 | Centrifugal pump test system |
| CN113550914B (en) * | 2021-08-24 | 2022-09-13 | 常熟理工学院 | Centrifugal pump test system |
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