Variable-frequency constant-pressure water supply training platform

Abstract

The utility model discloses a variable-frequency constant-pressure water supply training platform. Comprising a workbench, a water tank arranged on the workbench, a water pump connected with the water tank, a frame arranged on the workbench, a water pipe connected with the water pump, a plurality of connectors arranged on the water pipe, a practical training table arranged on one side of the workbench, a frequency converter arranged on the practical training table, a button box arranged on the practical training table and a PLC module arranged on the practical training table. The device comprises a practical training platform, a terminal strip arranged on the practical training platform, a five-port socket arranged on the practical training platform, an air switch arranged on the practical training platform, and a touch screen arranged on the practical training platform, and has the beneficial effects that the rotating speed of a certain water pump and the input and output of a plurality of water pumps are automatically adjusted according to the instantaneous pressure change of a pipe network, so that the outlet end of the pipe is kept at a constant set pressure value; the frequency conversion speed regulation technology is applied to the water supply pump station, and the two problems of energy consumption and pollution are successfully solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water supply system technical field especially a variable frequency constant pressure water supply practical training platform. BACKGROUND

[0002] For a long time, the traditional regional and building water supply system is to meet the user's requirement for water supply pressure by municipal pipe network through secondary pressurization and water tower or overhead tank; in this water supply system, the pressurization pump is usually determined by the water pressure requirement of the least used water point to design the corresponding lift, then the pump group is selected and determined according to the flow change, and the operation mode of the water pump is determined; due to the obvious change of the community water consumption in seasons and time periods, the daily water supply operation control usually adjusts the water supply water pressure by adjusting the operation mode of the water pump and the opening degree of the outlet valve, a large amount of energy is consumed in the outlet valve and wasted, and there is the problem of'secondary pollution' of the water tank.

[0003] In view of the above situation, it is necessary to improve the existing water supply system so that it can adapt to the needs of the daily water supply control used in the community. CONTENT OF THE UTILITY MODEL

[0004] To solve the above technical problems, the utility model provides a variable frequency constant pressure water supply practical training platform, including workbench, water tank set up on workbench, water pump connected with water tank, frame set up on workbench, water pipe connected with water pump, a plurality of joints set up on water pipe, practical training platform set up on one side of workbench, frequency converter set up on practical training platform, button box set up on practical training platform, PLC module set up on practical training platform, terminal block set up on practical training platform, five socket set up on practical training platform, air switch set up on practical training platform, touch screen set up on practical training platform, frequency converter, air switch are connected with water pump, touch screen is connected with PLC module, button box is connected with frequency converter, water pipe is fixedly installed on frame, frequency converter, button box, PLC module, terminal block, five socket, air switch, touch screen are installed on practical training platform.

[0005] Further supplement to the technical scheme, the practical training platform includes a skeleton, a vertical mesh plate arranged on the skeleton, and the vertical mesh plate is fixedly installed on the skeleton.

[0006] Further supplement to the technical scheme, the skeleton is made of cold-rolled steel plate.

[0007] Further supplement to the technical scheme, a brake universal wheel is arranged around the lower side of the practical training platform.

[0008] Further supplement to the technical scheme, a brake universal wheel is also arranged around the lower side of the workbench.

[0009] Further supplement to the technical scheme, the water pipe and the joint are connected by a quick connection mode.

[0010] Further supplement to the technical scheme, the frame is made of 3030 profile.

[0011] Further supplement to the technical scheme, the water tank is made of 15mm stainless steel material.

[0012] Its beneficial effect lies in that the system can automatically adjust the rotating speed of a water pump and the input and output of multiple water pumps according to the instantaneous pressure change of the pipe network, so that the outlet end of the main pipe of the pipe network is kept at a constant set pressure value, and the application of frequency conversion speed regulation technology in the water pump station successfully solves the two difficult problems of energy consumption and pollution; in actual operation, the variable frequency constant pressure water supply technology has obvious advantages such as water pressure stability, low maintenance and operation cost compared with the traditional pressurized water supply system. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the first angle overall structure schematic view of the utility model;

[0014] Figure 2 is the second angle overall structure schematic view of the utility model;

[0015] Figure 3 is the third angle overall structure schematic view of the utility model;

[0016] In the figure, 1, workbench; 2, water tank; 3, water pump; 4, frame; 5, water pipe; 6, joint; 7, practical training platform; 71, skeleton; 72, vertical mesh plate; 8, frequency converter; 9, button box; 10, PLC module; 11, terminal row; 12, five-port socket; 13, air switch; 14, touch screen; 15, universal wheel with brake. DETAILED DESCRIPTION

[0017] In order to facilitate the technical personnel in the art to the technical scheme more clearly, the following will combine the attached Figure 1 -3 detailed description of the technical scheme of the utility model:

[0018] The utility model provides a kind of variable frequency constant pressure water supply practical training platform, including workbench 1, water tank 2 being set to workbench 1, water pump 3 being connected with water tank 2, frame 4 being set to workbench 1, water pipe 5 being connected with water pump 3, multiple joints 6 being set to water pipe 5, practical training platform 7 being set to the side of workbench 1, frequency converter 8 being set to practical training platform 7, button box 9 being set to practical training platform 7, PLC module 10 being set to practical training platform 7, terminal strip 11 being set to practical training platform 7, five-jack socket 12 being set to practical training platform 7, air switch 13 being set to practical training platform 7, touch screen 14 being set to practical training platform 7, the frequency converter 8, air switch 13 are connected with water pump 3, the touch screen 14 is connected with PLC module 10, the button box 9 is connected with frequency converter 8;Water pipe 5 is fixedly installed on frame 4;Frequency converter 8, button box 9, PLC module 10, terminal strip 11, five-jack socket 12, air switch 13, touch screen 14 are installed on practical training platform 7;Water tank 2 is used to store water, and water pump 3 transports the water in water tank 2 into water pipe 5;Frequency converter 8 controls alternating current motor by changing motor operating power frequency mode;Button box 9 is convenient for operator to control experiment process;PLC module 10 is used to read signal and output signal, and the whole system is controlled by output signal;Terminal strip 11 is convenient for the connection of component and circuit management;Five-jack socket 12 supplies power for component needing external connection;Air switch 13 is used for overload protection, guarantees stable power supply;Touch screen 14 is used for operator to input signal.

[0019] Wherein, practical training platform 7 includes skeleton 71, vertical mesh plate 72 being set to skeleton 71, the vertical mesh plate 72 is fixedly installed on skeleton 71;After mechanical processing is shaped, and the outer surface is sprayed color epoxy plastic treatment.

[0020] Wherein, skeleton 71 is made of cold-rolled steel sheet.

[0021] Wherein, the four around below practical training platform 7 are equipped with brake universal wheel 15, and it is convenient to move and fix.

[0022] Wherein, the four around below workbench 1 are also equipped with brake universal wheel 15, and it is convenient to move and fix.

[0023] Wherein, water pipe 5 and joint 6 connection adopt quick connection mode, need not welding, can dismantle and replace at any time, it is convenient and flexible;Joint 6 is tee or two-way structure.

[0024] Wherein, frame 4 is made of 3030 section bar.

[0025] Wherein, water tank 2 is made of 15mm stainless steel material processing.

[0026] The above technical scheme only embodies the preferred technical scheme of the utility model technical scheme, and some changes made by the person skilled in the art to some parts thereof all embody the principle of the utility model and fall within the protection scope of the utility model.

Claims

1. A variable frequency constant pressure water supply training platform, characterized in that, The utility model provides a practical training platform, including workbench (1), set up water tank (2) on workbench (1), water pump (3) is connected with water tank (2), frame (4) is set up on workbench (1), water pipe (5) is connected with water pump (3), a plurality of joints (6) are set up on water pipe (5), practical training platform (7) is set up in one side of workbench (1), frequency converter (8) is set up on practical training platform (7), button box (9) is set up on practical training platform (7), PLC module (10) is set up on practical training platform (7), terminal block (11) is set up on practical training platform (7), five socket (12) is set up on practical training platform (7), air switch (13) is set up on practical training platform (7), touch screen (14) is set up on practical training platform (7), frequency converter (8), air switch (13) are connected with water pump (3), touch screen (14) is connected with PLC module (10), button box (9) is connected with frequency converter (8), water pipe (5) is fixedly installed on frame (4), frequency converter (8), button box (9), PLC module (10), terminal block (11), five socket (12), air switch (13), touch screen (14) are installed on practical training platform (7).

2. The variable frequency constant pressure water supply training platform according to claim 1, characterized in that, The practical training platform (7) includes a skeleton (71) and a vertical mesh plate (72) arranged on the skeleton (71).

3. The variable frequency constant pressure water supply training platform according to claim 2, characterized in that, The skeleton (71) is made of cold-rolled steel plate.

4. The variable frequency constant pressure water supply training platform according to claim 1, characterized in that, A brake universal wheel (15) is arranged around the bottom of the practical training platform (7).

5. The variable frequency constant pressure water supply training platform according to claim 1, characterized in that, A brake universal wheel (15) is also arranged around the bottom of the workbench (1).

6. The variable frequency constant pressure water supply training platform according to claim 1, characterized in that, The water pipe (5) and the joint (6) are connected by a quick connection method.

7. The variable frequency constant pressure water supply training platform according to claim 1, characterized in that, The frame (4) is made of 3030 profile.

8. The variable frequency constant pressure water supply training platform according to claim 1, characterized in that, The water tank (2) is made of 15mm stainless steel material.

Images