Vacuum pump pneumatic performance testing device

Abstract

The utility model discloses a testing device, belongs to the technical field of centrifugal vacuum pumps, and particularly relates to a vacuum pump pneumatic performance testing device which comprises an air inlet assembly and an air outlet assembly. The air inlet assembly and the air outlet assembly are respectively connected with an air inlet and an air outlet of a vacuum pump; the air inlet assembly consists of a plurality of sections of air inlet pipelines and an air inlet; the air outlet assembly is composed of a plurality of air outlet pipelines and an air outlet. The device can detect the pressure, flow and temperature of the air outlet of the vacuum pump, can change the aperture of the air outlet, and can test the performances of the vacuum pump under different working conditions, thereby being capable of comprehensively testing the performances of the vacuum pump.

Description

Technical Field

[0001] This utility model discloses a testing device, belonging to the field of centrifugal vacuum pump technology, specifically relating to a vacuum pump aerodynamic performance testing device. Background Technology

[0002] The main purpose of vacuum pump performance testing is to ensure that the vacuum pump can operate stably and efficiently under various working conditions and meet specific performance requirements. Performance testing ensures that the vacuum pump will not leak harmful or flammable and explosive gases during operation, ensuring the safety of the working environment and operators. It also facilitates product quality control and certification: performance testing is a crucial step in product quality control, helping manufacturers identify and improve design and manufacturing defects while meeting relevant standards and specifications.

[0003] Traditional vacuum pump performance testing devices use a standardized testing apparatus that can only perform tests under a single operating condition, thus preventing a comprehensive assessment of vacuum pump performance. Utility Model Content

[0004] Purpose of the utility model: To provide a vacuum pump aerodynamic performance testing device to solve the problems mentioned above.

[0005] Technical solution: A vacuum pump aerodynamic performance testing device, the testing device comprising: an inlet assembly and an outlet assembly;

[0006] The air inlet assembly and the air outlet assembly are respectively connected to the air inlet and air outlet of the vacuum pump;

[0007] The air intake assembly consists of several sections of air intake pipes and air intake ports;

[0008] The air outlet assembly consists of several sections of air outlet pipes and air outlets.

[0009] In a further embodiment, the air intake assembly includes: an air intake bend; an air intake pipe having several sections and its ends fixedly connected by flanges, wherein the input end of the air intake pipe is fixedly connected to the output end of the air intake bend by flanges; and an air inlet, which is funnel-shaped and whose input end is fixedly connected to the output end of the air intake pipe by flanges, wherein the output end of the air inlet is fixedly connected to the air intake end of the vacuum pump.

[0010] In a further embodiment, the air outlet assembly includes: an air outlet, which is funnel-shaped and whose input end is fixedly connected to the air outlet end of the vacuum pump; an air outlet pipe, which has several sections and whose ends are fixedly connected by flanges, wherein the input end of the air outlet pipe is fixedly connected to the output end of the air outlet through a flange; and an air outlet channel, whose input end is fixedly connected to the output end of the air inlet pipe through a flange.

[0011] In a further embodiment, a control valve is provided on the gas outlet channel to regulate the gas flow rate of the gas outlet assembly.

[0012] In a further embodiment, the intake pipe is equipped with a pressure sensor, a temperature sensor, and an orifice flow meter.

[0013] In a further embodiment, the air intake assembly and the air outlet assembly are fixed to the working area by a bracket.

[0014] This utility model has the following beneficial effects:

[0015] Performance testing can verify whether the vacuum pump's pumping capacity meets design requirements, ensuring that it maintains efficient pumping performance under different operating conditions.

[0016] Ensuring performance stability: Performance testing can help identify and resolve potential leakage problems, ensuring that the vacuum pump can provide a stable vacuum environment during long-term operation and avoiding performance fluctuations caused by leakage;

[0017] Reduce energy consumption: Through testing, the operating parameters of the vacuum pump can be optimized, unnecessary energy consumption can be reduced, and overall operating efficiency can be improved.

[0018] Therefore, this utility model can detect the outlet pressure, flow rate, and temperature of a vacuum pump, and can also change the outlet diameter to test the performance of the vacuum pump under different operating conditions, thereby enabling comprehensive testing of the vacuum pump performance. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the present invention. Figure 1 .

[0020] Figure 2 This is a schematic diagram of the present invention. Figure 2 .

[0021] Reference numerals: 1. Inlet assembly; 2. Outlet assembly; 10. Inlet bend; 11. Inlet pipe; 12. Outlet; 20. Outlet pipe; 21. Outlet channel; 22. Control valve; 23. Pressure sensor; 24. Temperature sensor; 25. Orifice plate flow meter; 26. Bracket; 3. Detailed Implementation

[0022] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0025] A vacuum pump aerodynamic performance testing device includes: an air inlet assembly 1 and an air outlet assembly 2.

[0026] In one embodiment, such as Figures 1 to 2 As shown, the air inlet assembly 1 and the air outlet assembly 2 are respectively connected to the air inlet 12 and the air outlet 20 of the vacuum pump;

[0027] The air intake assembly 1 consists of several sections of air intake pipes 11 and air intake ports 12;

[0028] The air outlet assembly 2 consists of several sections of air outlet pipes 21 and air outlets 20.

[0029] In one embodiment, such as Figures 1 to 2 As shown, the air intake assembly 1 includes: an air intake bend 10; an air intake pipe 11, which has several sections and is fixedly connected at both ends by flanges, wherein the input end of the air intake pipe 11 is fixedly connected to the output end of the air intake bend 10 by flanges; and an air inlet 12, which is funnel-shaped and whose input end is fixedly connected to the output end of the air intake pipe 11 by flanges, wherein the output end of the air inlet 12 is fixedly connected to the air intake end of the vacuum pump.

[0030] In one embodiment, such as Figures 1 to 2As shown, the air outlet assembly 2 includes: an air outlet 20, which is funnel-shaped and whose input end is fixedly connected to the air outlet end of the vacuum pump; an air outlet pipe 21, which has several sections and whose ends are fixedly connected by flanges, and whose input end is fixedly connected to the output end of the air outlet 20 by flanges; and an air outlet channel 22, whose input end is fixedly connected to the output end of the air inlet pipe 11 by flanges.

[0031] In one embodiment, such as Figures 1 to 2 As shown, the gas outlet channel 22 is equipped with a control valve 23 to regulate the gas flow rate of the gas outlet assembly 2.

[0032] In one embodiment, such as Figures 1 to 2 As shown, the air intake pipe 11 is equipped with a pressure sensor 24, a temperature sensor 25, and an orifice flow meter 26.

[0033] In one embodiment, such as Figures 1 to 2 As shown, the air intake assembly 1 and the air outlet assembly 2 are fixed to the working area by the bracket 3.

[0034] Working principle: When this utility model is in operation, the inlet end of the vacuum pump is first connected to the inlet port 12 of the inlet assembly 1, and the outlet end is connected to the outlet port 20 of the outlet assembly 2. Then the vacuum pump starts working, and gas is drawn in through the inlet assembly 1. The gas is input into the vacuum pump through the inlet bend 10, the inlet pipe 11, and the inlet port 12, and flows out through the outlet port 20, the outlet pipe 21, and the outlet channel 22. At the same time, the pressure, flow rate, and temperature at the outlet end of the vacuum pump are detected by the pressure sensor 24, the temperature sensor 25, and the orifice plate flow meter 26. The diameter of the outlet port 20 can be changed to test the performance of the vacuum pump under different operating conditions.

[0035] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A vacuum pump aerodynamic performance testing device, characterized in that, The testing device includes: an air intake assembly and an air outlet assembly; The air inlet assembly and the air outlet assembly are respectively connected to the air inlet and air outlet of the vacuum pump; The air intake assembly consists of several sections of air intake pipes and air intake ports; The air outlet assembly consists of several sections of air outlet pipes and air outlets; The air intake assembly includes: an air intake bend; an air intake pipe having several sections and its ends fixedly connected by flanges, wherein the input end of the air intake pipe is fixedly connected to the output end of the air intake bend by flanges; and an air inlet, which is funnel-shaped and whose input end is fixedly connected to the output end of the air intake pipe by flanges, wherein the output end of the air inlet is fixedly connected to the air intake end of the vacuum pump. The air outlet assembly includes: an air outlet, which is funnel-shaped and whose input end is fixedly connected to the air outlet end of the vacuum pump; an air outlet pipe, which has several sections and whose ends are fixedly connected by flanges, wherein the input end of the air outlet pipe is fixedly connected to the output end of the air outlet through a flange; and an air outlet channel, whose input end is fixedly connected to the output end of the air inlet pipe through a flange. The gas outlet channel is equipped with a control valve to regulate the gas flow rate of the gas outlet assembly; The intake pipe is equipped with a pressure sensor, a temperature sensor, and an orifice flow meter.

2. The vacuum pump aerodynamic performance testing device according to claim 1, characterized in that, The air intake assembly and the air outlet assembly are fixed to the working area by brackets.

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