CN219345858U

CN219345858U - Magnetic suspension air compressor with good noise reduction effect

Info

Publication number: CN219345858U
Application number: CN202223611660.2U
Authority: CN
Inventors: 任重轩; 王明亮; 白宏丽
Original assignee: Beijing Weidun Yuncheng Glass Products Co ltd
Current assignee: Beijing Weidun Yuncheng Glass Products Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-14
Anticipated expiration: 2032-12-30

Abstract

The application relates to the technical field of compressors and discloses a magnetic suspension air compressor with good noise reduction effect, wherein the air compressor comprises a compressor body with an air outlet, an air conveying pipeline for conveying compressed air, and expansion joints respectively communicated with the air outlet and the air conveying pipeline; the air transmission pipeline is close to one end of the expansion joint is provided with a thickened section, and the wall thickness of the expansion joint is not smaller than that of the thickened section, so that noise generated by impact of compressed air on the expansion joint and the air transmission pipeline is reduced. This kind of setting up mode can increase the weight and the stability of pipeline, effectively reduces resonance, and then reduces the production of noise.

Description

Magnetic suspension air compressor with good noise reduction effect

Technical Field

The application relates to the technical field of compressors, in particular to a magnetic suspension air compressor with good noise reduction effect.

Background

The air compressor is a basic product of industrial modernization, is used for providing air source power, is a main body in an electromechanical power supply device which is a core device of a pneumatic system, is a device for converting mechanical energy of motive force (usually an electric motor) into air pressure energy, and is an air pressure generating device of compressed air. The magnetic suspension centrifugal air compressor is a high-tech industrial product integrating mature technologies such as magnetic suspension, frequency conversion, high-speed permanent magnet synchronous motor, high-speed impeller and the like. The active magnetic suspension bearing can keep the rotor of the compressor at the optimal position, the frequency conversion technology realizes low-current starting and full-working condition intelligent regulation of the compressor, and the application of the high-speed motor and the high-speed impeller realizes the improvement of the efficiency of the whole machine, small volume and light weight. Compared with the traditional air compressor, the magnetic suspension centrifugal air compressor has no gear acceleration, does not need lubricating oil, has small vibration and noise, and can save energy by more than 30 percent.

However, in the prior art, an aluminum alloy pipeline is connected with an air compressor body for circulating compressed air, and the aluminum alloy pipeline is thinner in pipe wall and adopts a flexible expansion joint at the joint, and because the rotating speed of the magnetic suspension centrifugal machine is up to 40000r/min, the discharged high-temperature high-pressure gas impacts the pipeline, so that the pipeline can generate resonance with the high-temperature high-pressure gas, and then larger noise is generated, so that the working environment is influenced, and further adverse effects on workers are generated to a certain extent.

It follows that the prior art is in need of further improvement and promotion.

Disclosure of Invention

The present application provides a solution to at least one of the above technical problems.

The technical scheme adopted by the application is as follows:

a magnetic suspension air compressor with good noise reduction effect comprises a compressor body with an air outlet, an air transmission pipeline for conveying compressed air, and expansion joints respectively communicated with the air outlet and the air transmission pipeline;

the air transmission pipeline is close to one end of the expansion joint is provided with a thickened section, and the wall thickness of the expansion joint is not smaller than that of the thickened section, so that noise generated by impact of compressed air on the expansion joint and the air transmission pipeline is reduced.

The magnetic suspension air compressor with good noise reduction effect has the following additional technical characteristics:

the wall thickness of the thickened section is not less than 5mm.

The gas transmission pipeline is also provided with a uniform section connected with the thickened section, and the wall thickness of the uniform section is smaller than or equal to that of the thickened section.

The gas transmission pipeline is made of stainless steel materials.

The air compressor further comprises a tubular heat exchanger arranged between the air outlet and the expansion joint.

The gas transmission pipeline comprises a bending part, and a noise reduction buffer structure is further arranged on the inner wall of the bending part so as to buffer the impact of compressed air.

The noise reduction buffer structure is matched with the bending part, and can form a smooth arc with the inner wall of the gas transmission pipeline.

The noise reduction buffer structure comprises a primary buffer layer, a sound absorbing layer and a secondary buffer layer, wherein the sound absorbing layer is positioned between the primary buffer layer and the secondary buffer layer, and the secondary buffer layer is close to the inner wall of the gas pipeline.

The primary buffer layer is uniformly distributed with micro-pore channels.

The materials used for the primary buffer layer and the secondary buffer layer are silicon rubber.

Due to the adoption of the technical scheme, the technical effects obtained by the application are as follows:

1. the application discloses magnetic suspension air compressor that noise reduction effect is good is provided with the thickening section in the one end that gas-supply pipeline is close to the telescopic joint, and makes the wall thickness of telescopic joint be not less than the wall thickness of thickening section, can reduce the condition emergence of producing resonance when high-pressure high-temperature gas strikes the pipeline effectively. Specifically, the air compressor body is connected with the pipeline for conveying compressed high-pressure high-temperature gas, the pipeline is connected with the air compressor body through the expansion joint, and the pressure and the temperature are the highest after the high-temperature high-pressure gas is discharged out of the air compressor body, so that the expansion joint can be subjected to larger impact, the wall thickness of the expansion joint is increased, the weight of the expansion joint is increased, and resonance is effectively reduced; meanwhile, one end of the gas pipeline, which is close to the expansion joint, can bear larger impact force, and the position of the gas pipeline, which is close to the expansion joint, is often provided with a bending part, and the inner wall of the pipeline of the bending part can bear larger impact, so that the end, which is close to the expansion joint, of the gas pipeline is provided with a thickened section, the weight and the stability of the pipeline are increased, resonance can be further effectively reduced, and noise is further reduced.

2. As a preferred implementation mode, the noise reduction buffer structure is arranged at the bending part of the gas pipeline, and the arrangement mode can buffer the impact of high-temperature and high-pressure air to the bending part, and can absorb and reduce the noise to a certain extent, so that the noise is further reduced. And the noise reduction buffer structure is matched with the bending part and forms smooth arc with the inner wall of the gas pipeline, so that the circulation of compressed air is smoother, and the unnecessary edges and corners generated by the noise reduction buffer structure are not increased, so that the high-pressure air impacts the edges and corners to generate additional noise.

3. As a preferred implementation mode, the noise reduction buffer structure comprises a primary buffer layer, a sound absorbing layer and a secondary buffer layer, wherein the sound absorbing layer is positioned between the primary buffer layer and the secondary buffer layer, the secondary buffer layer is close to the inner wall of the gas pipeline, tiny pore channels are uniformly distributed on the primary buffer layer, and the materials used for the primary buffer layer and the secondary buffer layer are silicon rubber. Specifically, the silicon rubber is high-temperature and high-pressure resistant and has a certain elasticity, so that a good buffering effect can be achieved, noise can be weakened through the arrangement of the micro pore channels, noise which cannot be weakened can enter the sound absorption layer to be absorbed, and the noise can enter the micro pore channels of the secondary buffering layer again, so that the noise reduction buffering structure achieves the auxiliary noise reduction function.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

The technical scheme of the present application is described in further detail below through the accompanying drawings and examples.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic structural diagram of a magnetic suspension air compressor with good noise reduction effect according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a gas pipeline according to an embodiment of the present utility model.

Reference numerals:

the compressor comprises a compressor body 1, a gas transmission pipeline 2, a thickened section 21, a uniform section 22, a bending part 23, a noise reduction buffer structure 24, a telescopic section 3 and a tube-type heat exchanger 4.

Detailed Description

In order to more clearly illustrate the general concepts of the present application, a detailed description is provided below by way of example in connection with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it should be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the application, as shown in fig. 1-2, a magnetic suspension air compressor with good noise reduction effect is provided, wherein the air compressor comprises a compressor body 1 with an air outlet, an air conveying pipeline 2 for conveying compressed air, and expansion joints 3 respectively communicated with the air outlet and the air conveying pipeline 2; the one end that gas-supply pipeline 2 is close to telescopic joint 3 is provided with thickening section 21, the wall thickness of telescopic joint 3 is not less than the wall thickness of thickening section 21 to reduce because of compressed air to telescopic joint 3 with the noise that gas-supply pipeline 2 impacted and produced.

Specifically, the air gets into compressor body 1, after centrifugal compression by the gas outlet discharge compressor body 1 and get into gas-supply pipeline 2, gas-supply pipeline 2 with the gas outlet passes through telescopic joint 3 is connected, and the exhaust gas is high pressure high temperature gas this moment, and high pressure high temperature gas then can strike telescopic joint 3 with gas-supply pipeline 2, and gas-supply pipeline 2 is provided with kink 23 in the position that is close to telescopic joint 3 often, and kink 23's pipeline inner wall then can bear bigger impact, and then produces certain noise. In the magnetic suspension air compressor that this application provided a noise reduction effect is good, make gas-supply pipeline 2 is close to the one end of telescopic joint 3 is provided with thickening section 21, and makes the wall thickness of telescopic joint 3 is not less than the wall thickness of thickening section 21, can reduce effectively that high pressure high temperature gas is right the condition emergence of resonance when gas-supply pipeline 2 assaults. At this time, the wall thickness of the expansion joint 3 and the gas pipeline 2 is thicker, so that the self weight is improved, the expansion joint has stronger impact resistance and stability, resonance generated when high-pressure high-temperature gas impacts the expansion joint 3 and the gas pipeline 2 is reduced, and noise is further reduced.

It should be understood that the length of the thickened section 21 is not limited in this application, and for example, a length of 1m may be selected, and may be specifically selected as required.

As a preferred embodiment of the present application, the thickness of the thickened section 21 is not less than 5mm in wall thickness, as shown in fig. 2.

As a preferred embodiment of the present application, as shown in fig. 2, the gas pipeline 2 is further provided with a uniform section 22 connected to the thickened section 21, and the wall thickness of the uniform section 22 is less than or equal to the wall thickness of the thickened section 21.

Specifically, the length of the uniform section 22 is not limited in this application, and may be specifically selected according to the length of the pipe and the length of the thickened section 21. For example, the total length of the pipe is 4m, the thickened section 21 is set to 1m, and the uniform section 22 is set to 3m.

As a preferred embodiment of the present application, the gas line 2 is made of a stainless steel material.

Specifically, the stainless steel material is used for replacing the aluminum alloy material commonly used in the prior art, so that the rigidity and stability of the gas pipeline 2 are improved, the intensity of resonance between high-temperature and high-pressure gas and the gas pipeline 2 and the telescopic joint 3 is further reduced, and noise is further reduced.

As a preferred embodiment of the present application, as shown in fig. 1-2, the air compressor further comprises a tubular heat exchanger 4 arranged between the air outlet and the telescopic joint 3.

Specifically, the tubular heat exchanger 4 can reduce the temperature of the gas discharged from the gas outlet, thereby reducing the influence of the high-temperature gas on the gas pipeline 2 and the expansion joint 3 and reducing the thermal deformation of the gas pipeline 2 to a certain extent.

As a preferred embodiment of the present application, as shown in fig. 2, the gas pipeline 2 includes a bending portion 23, and a noise reduction buffer structure 24 is further provided on an inner wall of the bending portion 23 to buffer the impact of the compressed air.

As a preferred embodiment of the present application, as shown in fig. 2, the noise reduction buffer structure 24 is adapted to the bending portion 23, and may form a smooth arc with the inner wall of the gas pipeline 2.

Specifically, the noise reduction buffer structure 24 can buffer the impact of the high-temperature and high-pressure air on the bending part 23, in the transmission process of the high-temperature and high-pressure air, the bending part 23 of the gas pipeline 2 can bear more serious impact, the bending part 23 is usually formed by connection, the larger impact not only can cause resonance and then generate noise, but also can cause unstable condition of the connection part due to overlarge impact, and the noise reduction buffer structure 24 not only improves the stability and the safety of the bending part 23, but also can reduce resonance and then reduce noise by increasing the weight of the bending part 23 and adopting a material with better elasticity and good impact resistance and a sound absorption mode. Meanwhile, the noise reduction buffer structure 24 is matched with the bending part 23 and forms a smooth arc with the inner wall of the gas pipeline 2, so that the compressed air can circulate more smoothly, and no extra noise is generated due to the fact that unnecessary edges are generated by adding the noise reduction buffer structure 24 and the high-pressure air impacts the edges.

As a preferred embodiment of the present application, the noise reduction buffer structure 24 includes a primary buffer layer, a sound absorbing layer, and a secondary buffer layer, where the sound absorbing layer is located between the primary buffer layer and the secondary buffer layer, and the secondary buffer layer is proximate to the inner wall of the gas pipeline 2.

As a preferred embodiment of the present application, the primary buffer layer is uniformly distributed with micro-channels.

As a preferred embodiment of the present application, the material used for the primary buffer layer and the secondary buffer layer is silicone rubber.

Specifically, the primary buffer layer and the secondary buffer layer are made of silicone rubber, the silicone rubber has certain elasticity and can resist high temperature, can play a certain role in buffering high-pressure high-temperature gas, and can protect the bending part 23. The noise-reducing device comprises a first-stage buffer layer, a second-stage buffer layer, a sound absorbing layer, a first-stage buffer layer, a second-stage buffer layer, a first-stage noise reducing layer, a second-stage noise reducing layer and a third-stage noise reducing layer.

The non-mentioned places in the application can be realized by adopting or referring to the prior art.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The magnetic suspension air compressor with the good noise reduction effect is characterized by comprising a compressor body with an air outlet, an air conveying pipeline for conveying compressed air and expansion joints respectively communicated with the air outlet and the air conveying pipeline;

2. A magnetically levitated air compressor with good noise reduction as claimed in claim 1, wherein the thickness of the thickened section is not less than 5mm.

3. A magnetically levitated air compressor with good noise reduction effect as claimed in claim 2, wherein the gas pipe is further provided with a uniform section connected to the thickened section, and a wall thickness of the uniform section is less than or equal to a wall thickness of the thickened section.

4. A magnetically levitated air compressor with good noise reduction as claimed in claim 3, wherein the gas pipe is made of stainless steel material.

5. A magnetically levitated air compressor with good noise reduction according to claim 4, further comprising a tubular heat exchanger disposed between the air outlet and the telescopic joint.

6. The magnetically levitated air compressor with good noise reduction effect as claimed in claim 1, wherein the gas pipeline comprises a bending part, and the inner wall of the bending part is further provided with a noise reduction buffer structure for buffering the impact of compressed air.

7. The magnetically levitated air compressor with good noise reduction effect as claimed in claim 6, wherein the noise reduction buffer structure is adapted to the bending part and can form a smooth arc with the inner wall of the air transmission pipeline.

8. The magnetically levitated air compressor with good noise reduction effect according to claim 7, wherein the noise reduction buffer structure comprises a primary buffer layer, a sound absorbing layer and a secondary buffer layer, the sound absorbing layer is located between the primary buffer layer and the secondary buffer layer, and the secondary buffer layer is close to the inner wall of the gas pipeline.

9. A magnetically levitated air compressor with good noise reduction as claimed in claim 8, wherein the primary buffer layer is uniformly distributed with micro-channels.

10. A magnetically levitated air compressor with good noise reduction as claimed in claim 9, wherein the materials used for the primary buffer layer and the secondary buffer layer are silicone rubber.