Magnetic levitation fan performance testing device

Abstract

The utility model discloses a performance testing device for a magnetic levitation fan, which comprises a test board, an air inlet mechanism and an air outlet mechanism, and a fan to be tested is arranged on the test board in a manner that the mounting position can be adjusted through an adjusting assembly; the air inlet mechanism comprises an air inlet guide pipe and a first transition pipeline, the air inlet guide pipe is detachably mounted at the air inlet end of the fan to be tested through the first transition pipeline, the air outlet mechanism comprises an air outlet guide pipe and a second transition pipeline, and the air outlet guide pipe is detachably mounted at the air outlet end of the fan to be tested through the second transition pipeline; the first test assembly collects real-time data of the air inlet guide pipe during testing, and the second test assembly collects real-time data of the air outlet guide pipe during testing, so that the real-time data of the air inlet guide pipe and the real-time data of the air outlet guide pipe can be detected; in addition, by means of the adjusting assembly and the first transition pipeline and the second transition pipeline which are detachably arranged at the air inlet end and the air outlet end, fans of different specifications can be installed in a matched mode, and the universality is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of magnetic levitation centrifugal fans, in particular to a magnetic levitation fan performance testing device. Background Art

[0002] The magnetic levitation blower is directly driven by a high-speed motor and its speed is regulated by a frequency converter. It utilizes an active magnetic levitation bearing system to provide contactless and wear-free suspension support for the internal rotating magnetic levitation bearing through controllable electromagnetic force. The magnetic levitation bearing is directly connected to the impeller, and the transmission is zero-loss, thereby achieving the effects of successful gas transportation without wear inside the machine, low noise, and no need for lubrication.

[0003] Currently, before a magnetic levitation blower is put into use, it needs to be tested for performance using a specific test bench. During the specific test process, the test bench records different pressure, temperature, and flow data while the blower maintains a certain stable speed. The performance of the blower is then judged based on this data. However, a certain specification of blower is only equipped with one corresponding test bench, which has poor versatility. Utility Model Content

[0004] The purpose of the utility model is to provide a magnetic levitation fan performance test device to solve the problem of poor versatility of conventional test benches in the prior art.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] A magnetic levitation fan performance test device includes a test bench, an air inlet mechanism, and an air outlet mechanism, wherein:

[0007] The test bench is configured to carry a wind turbine to be tested, and the wind turbine to be tested is arranged on the test bench in an adjustable mounting position by an adjustment component;

[0008] The air inlet mechanism includes an air inlet duct and a detachable first transition duct, wherein the air inlet duct is detachably mounted on the air inlet end of the fan to be tested via the first transition duct; the air outlet mechanism includes an air outlet duct and a detachable second transition duct, wherein the air outlet duct is detachably mounted on the air outlet end of the fan to be tested via the second transition duct;

[0009] The air inlet duct is provided with a first testing component, and the first testing component is configured to collect real-time data of the air inlet duct when testing the fan;

[0010] The air outlet duct is provided with a second testing component, and the second testing component is configured to collect real-time data of the air outlet duct when testing the fan.

[0011] Furthermore, the test bench is provided with a plurality of mounting slots spaced apart along a first direction, the plurality of mounting slots extending along a second direction, the adjustment assembly includes a plurality of detachable parts, the fan to be tested is detachably mounted on the test bench via the plurality of detachable parts, and the first direction is perpendicular to the second direction.

[0012] By adjusting the installation positions of the plurality of assembling and disassembling parts in the installation slot, fans of different specifications can be installed.

[0013] Furthermore, the first transition duct and the second transition duct are both bellows.

[0014] Furthermore, the second transition duct includes a connecting pipe and a bend pipe, the first end of the connecting pipe is connected to the air outlet end of the fan to be tested, the second end of the connecting pipe is connected to the first end of the bend pipe, and the second end of the bend pipe is connected to the first end of the air outlet duct.

[0015] Furthermore, the first test component includes a first temperature sensor and a first pressure sensor. The first temperature sensor is configured to collect temperature data in the air inlet duct during testing, and the first pressure sensor is configured to collect pressure data in the air inlet duct during testing.

[0016] Furthermore, the second test component includes a second temperature sensor, a second pressure sensor and a flow sensor. The second temperature sensor is configured to collect temperature data in the air outlet duct during testing, the second pressure sensor is configured to collect pressure data in the air outlet duct during testing, and the flow sensor is configured to collect flow data in the air outlet duct during testing.

[0017] Furthermore, a control valve is provided at the second end of the air outlet duct, and the control valve is configured to adjust the air volume in the air outlet duct. During testing, the fan to be tested is maintained at a set speed, and the opening of the control valve is controlled to adjust the pressure, temperature and flow in the air outlet duct.

[0018] Compared with the prior art, the beneficial effects of the magnetic levitation fan performance testing device are as follows: during the test, the fan to be tested is set on the test bench in an adjustable installation position through an adjusting component, the air inlet duct can be detachably installed on the air inlet end of the fan to be tested through a first transition duct, and the air outlet duct can be detachably installed on the air outlet end of the fan to be tested through a second transition duct. The first test component collects real-time data of the air inlet duct when testing the fan, and the second test component collects real-time data of the air outlet duct when testing the fan. Not only can the real-time data of the air inlet duct and the air outlet duct be detected, but also through the adjusting component and the detachable arrangement of the first transition duct and the second transition duct at the air inlet end and the air outlet end, it can be adapted to install fans of different specifications, thereby greatly improving versatility; by adjusting the installation positions of multiple detachable parts in the installation slot, and then cooperating with the first transition duct and the second transition duct installed at the air inlet end and the air outlet end of the fan, fans of different specifications can be adapted to install, which occupies a small space, has a simple installation method, and is easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present invention, a brief introduction is given below to the background technology of the present invention and the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of a magnetic levitation fan performance test device provided by an embodiment of the present utility model;

[0021] Figure 2 It is a schematic front view of a magnetic levitation fan performance testing device provided by an embodiment of the present utility model. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0023] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of the present invention. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly attached to the other component or there can be a central component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there can be a central component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the relevant listed items.

[0024] See also Figure 1 and Figure 2 As shown, in this embodiment, a magnetic levitation fan performance testing device includes a test bench 1, an air inlet mechanism 2 and an air outlet mechanism 3, wherein: the test bench 1 is configured to carry the fan 7 to be tested, and the fan 7 to be tested is arranged on the test bench 1 in an adjustable installation position through an adjustment component; the air inlet mechanism 2 includes an air inlet duct 20 and a detachable first transition duct 21, and the air inlet duct 20 can be detachably installed at the air inlet end of the fan 7 to be tested through the first transition duct 21; the air outlet mechanism 3 includes an air outlet duct 30 and a detachable second transition duct 31, and the air outlet duct 30 can be detachably installed at the air outlet end of the fan 7 to be tested through the second transition duct 31; a first test component 4 is provided on the air inlet duct 20, and the first test component 4 is configured to collect real-time data of the air inlet duct 20 when testing the fan 7; a second test component 5 is provided on the air outlet duct 30, and the second test component 5 is configured to collect real-time data of the air outlet duct 30 when testing the fan 7.

[0025] It can be seen that during installation, the fan 7 to be tested is set on the test bench 1 in an adjustable installation position through an adjusting component, the air inlet duct 20 can be detachably installed at the air inlet end of the fan 7 to be tested through the first transition duct 21, and the air outlet duct 30 can be detachably installed at the air outlet end of the fan 7 to be tested through the second transition duct 31. The first test component 4 collects real-time data of the air inlet duct 20 when testing the fan 7, and the second test component 5 collects real-time data of the air outlet duct 30 when testing the fan 7. Not only can the real-time data of the air inlet duct 20 and the air outlet duct 30 be detected, but also through the adjusting component and the detachable arrangement of the first transition duct 21 and the second transition duct 31 at the air inlet end and the air outlet end, it can adapt to the installation of fans 7 of different specifications, thereby greatly improving the versatility.

[0026] As an embodiment, the test bench 1 is provided with a first direction ( Figure 1 A plurality of mounting grooves 10 are provided at intervals along the second direction ( Figure 1 The adjustment assembly includes a plurality of detachable parts, and the fan 7 to be tested can be detachably installed on the test bench 1 through the plurality of detachable parts. By adjusting the installation positions of the plurality of detachable parts in the installation groove 10, fans 7 of different specifications can be installed to adapt.

[0027] It can be seen that by adjusting the installation positions of multiple detachable parts in the installation groove 10, and then cooperating with the first transition duct 21 and the second transition duct 31 installed at the air inlet end and the air outlet end of the fan 7, fans 7 of different specifications can be adapted for installation, which takes up little space, has a simple installation method, and is easy to assemble.

[0028] As an embodiment, the first transition duct 21 and the second transition duct 31 are both bellows.

[0029] Obviously, the use of the bellows can compensate for the extended lengths of the first transition duct 21 and the second transition duct 31 .

[0030] As an embodiment, the second transition duct 31 includes a connecting pipe 310 and a bend pipe 311, the first end of the connecting pipe 310 is connected to the air outlet end of the fan 7 to be tested, the second end of the connecting pipe 310 is connected to the first end of the bend pipe 311, and the second end of the bend pipe 311 is connected to the first end of the air outlet duct 30.

[0031] As an embodiment, the first test component 4 includes a first temperature sensor 40 and a first pressure sensor 41. The first temperature sensor 40 is configured to collect temperature data in the air inlet duct 20 during testing, and the first pressure sensor 41 is configured to collect pressure data in the air inlet duct 20 during testing.

[0032] As an embodiment, the second test component 5 includes a second temperature sensor 50, a second pressure sensor 51 and a flow sensor 52. The second temperature sensor 50 is configured to collect temperature data in the air outlet duct 30 during testing, the second pressure sensor 51 is configured to collect pressure data in the air outlet duct 30 during testing, and the flow sensor 52 is configured to collect flow data in the air outlet duct 30 during testing.

[0033] As an embodiment, a control valve 6 is provided at the second end of the air outlet duct 30, and the control valve 6 is configured to adjust the air volume in the air outlet duct 30. During the test, the fan 7 to be tested is maintained at a set speed, and the opening of the control valve 6 is controlled to adjust the pressure, temperature and flow in the air outlet duct 30.

[0034] During the test of the above-mentioned magnetic levitation fan performance test device: first, a fan 7 to be tested of a certain specification is installed at a preset position of the test bench 1 through multiple disassembly and assembly parts; then, the first temperature sensor 40 and the first pressure sensor 41 located at the air inlet duct 20 respectively collect the temperature data and pressure data in the air inlet duct 20, and the second temperature sensor 50, the second pressure sensor 51 and the flow sensor 52 located at the air outlet duct 30 respectively collect the temperature data, pressure data and flow data in the air outlet duct 30; finally, the fan 7 to be tested is maintained at the set speed, and the pressure, temperature and flow in the air outlet duct 30 are adjusted by controlling the opening of the control valve 6.

[0035] It should be noted that when the fan 7 needs to be replaced, it is only necessary to remove the tested fan 7 from the test bench 1 through multiple disassembly and assembly parts, and then replace the adaptive first transition duct and second transition duct at the air inlet and air outlet ends of the fan respectively, and then replace the fan 7 to be tested with other specifications.

[0036] The above embodiments merely illustrate the basic principles and features of the present invention. The present invention is not limited to the above embodiments. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic levitation fan performance testing device, characterized in that: The magnetic levitation fan performance test device includes a test bench, an air inlet mechanism and an air outlet mechanism, wherein: The test bench is configured to carry a wind turbine to be tested, and the wind turbine to be tested is arranged on the test bench in an adjustable mounting position by an adjustment component; The air inlet mechanism includes an air inlet duct and a detachable first transition duct, wherein the air inlet duct is detachably mounted on the air inlet end of the fan to be tested via the first transition duct; the air outlet mechanism includes an air outlet duct and a detachable second transition duct, wherein the air outlet duct is detachably mounted on the air outlet end of the fan to be tested via the second transition duct; The air inlet duct is provided with a first testing component, and the first testing component is configured to collect real-time data of the air inlet duct when testing the fan; The air outlet duct is provided with a second test component, and the second test component is configured to collect real-time data of the air outlet duct when testing the fan.

2. The magnetic levitation fan performance testing device according to claim 1, characterized in that: The test bench is provided with a plurality of mounting slots spaced apart along a first direction, the plurality of mounting slots extending along a second direction, the adjustment assembly comprising a plurality of detachable parts, the wind turbine to be tested being detachably mounted on the test bench via the plurality of detachable parts, the first direction being perpendicular to the second direction, By adjusting the installation positions of the plurality of assembling and disassembling parts in the installation slot, fans of different specifications can be installed.

3. The magnetic levitation fan performance testing device according to claim 1, characterized in that: The first transition duct and the second transition duct both adopt bellows.

4. The magnetic levitation fan performance testing device according to claim 1, characterized in that: The second transition duct includes a connecting pipe and a bent pipe, the first end of the connecting pipe is connected to the air outlet end of the fan to be tested, the second end of the connecting pipe is connected to the first end of the bent pipe, and the second end of the bent pipe is connected to the first end of the air outlet duct.

5. The magnetic levitation fan performance testing device according to claim 1, characterized in that: The first test assembly includes a first temperature sensor and a first pressure sensor. The first temperature sensor is configured to collect temperature data in the air inlet duct during testing, and the first pressure sensor is configured to collect pressure data in the air inlet duct during testing.

6. The magnetic levitation fan performance testing device according to claim 1, characterized in that: The second test component includes a second temperature sensor, a second pressure sensor and a flow sensor. The second temperature sensor is configured to collect temperature data in the air outlet duct during testing. The second pressure sensor is configured to collect pressure data in the air outlet duct during testing. The flow sensor is configured to collect flow data in the air outlet duct during testing.

7. The magnetic levitation fan performance testing device according to claim 4, characterized in that: A control valve is provided at the second end of the air outlet duct, and the control valve is configured to adjust the air volume in the air outlet duct. During testing, the fan to be tested is maintained at a set speed, and the pressure, temperature and flow in the air outlet duct are adjusted by controlling the opening of the control valve.

Images