Air suction and exhaust chamber structure of multifunctional compressor

Abstract

The utility model relates to a multifunctional compressor air suction and exhaust cavity structure which comprises a compressor rear cover, and the compressor rear cover comprises an air suction cavity and an exhaust cavity structure. The air suction cavity is formed in the center of the compressor rear cover; the utility model relates to the technical field of compressors. According to the suction and exhaust chamber structure of the multifunctional compressor, the position of the exhaust port can be flexibly arranged, exhaust pulsation is effectively rectified, noise is reduced, the operation efficiency of the compressor and user experience are improved, the suction chamber is located in the middle, the temperature of the exhaust chamber can be reduced, and the durability of the compressor is improved; the exhaust chamber is arranged on the outer ring, the heat dissipation effect is enhanced, the exhaust port can be arranged at 360 degrees, and the flexibility of product design is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compressor technical field, concretely is a kind of multifunctional compressor suction and exhaust chamber structure. BACKGROUND

[0002] The existing compressor in the operation process, exhaust pulsation and noise problem is more prominent, the efficiency and user experience of compressor are influenced.The traditional compressor chamber design is arranged on the exhaust port and the structure of exhaust chamber has certain limitation, leading to exhaust pulsation is larger, and noise is higher.In addition, the heat dissipation effect of exhaust chamber is poor, and the durability of compressor is influenced.The exhaust chamber of traditional compressor usually adopts single cavity or simple symmetrical layout, and there are problems such as low heat dissipation efficiency, obvious exhaust pulsation, large noise.Especially, fixed exhaust port position leads to machine layout limitation, difficult to adapt to diversified application scenarios.In the prior art, the integrated design of exhaust chamber and suction chamber lacks effective thermal isolation, and high-temperature exhaust is easy to be reversely conducted to suction side, which affects the efficiency and durability of compressor.In addition, the conventional exhaust passage structure is insufficient in airflow rectification capacity, and is easy to produce turbulent noise. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a kind of multifunctional compressor suction and exhaust chamber structure to solve the problems of large exhaust pulsation, high noise, poor heat dissipation effect and exhaust port position arrangement limitation in prior art.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a kind of multifunctional compressor suction and exhaust chamber structure, including compressor back cover, the compressor back cover, the compressor back cover includes suction chamber and exhaust chamber structure;

[0005] The suction chamber is arranged at the center of the compressor back cover;

[0006] Exhaust chamber structure includes four first exhaust chambers and a second exhaust chamber arranged in the outer circle of suction chamber in annular, four first exhaust chambers are communicated by the through slot recessed in the surface of compressor back cover, the two sides of second exhaust chamber are connected with adjacent two first exhaust chambers by the first connecting channel and the second connecting channel with the inner cavity of compressor back cover, the side of compressor back cover is provided with exhaust port communicated with exhaust chamber structure.

[0007] As a further scheme of the utility model: the suction chamber is circular chamber.

[0008] As a further scheme of the utility model: the second exhaust cavity and four first exhaust cavities are arranged in a peripheral annular array at the suction cavity, the suction cavity is located in the middle position, the temperature of the exhaust chamber can be effectively reduced, the durability of the compressor is improved, the exhaust chamber is arranged in the outer ring, the outer ring is in contact with air, heat dissipation is better, the exhaust port position can be arranged at 360 degrees, the flexibility of product design is greatly improved, the exhaust pulsation can be effectively rectified, noise is reduced, the operating efficiency of the compressor and user experience are improved.

[0009] As a further scheme of the utility model: the exhaust port is communicated with any one of the second exhaust cavity and the four first exhaust cavities, the two sides of the second exhaust cavity are connected with the two adjacent first exhaust cavities through the first connecting channel and the second connecting channel respectively, the exhaust port position can be arranged at 360 degrees, the flexibility of product design is greatly improved.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The structure can flexibly arrange the exhaust port position, effectively rectify the exhaust pulsation, reduce noise, improve the operating efficiency of the compressor and user experience, the suction cavity is located in the middle position, the temperature of the exhaust chamber can be reduced, the durability of the compressor is improved, the exhaust chamber is arranged in the outer ring, the heat dissipation effect is enhanced, the exhaust port position can be arranged at 360 degrees, the flexibility of product design is greatly improved.

[0012] Heat performance is improved:

[0013] The outer ring annular exhaust cavity is directly in contact with air, the heat dissipation area is increased by more than 40%, the chamber temperature is reduced by 15-20%;

[0014] The suction cavity and the exhaust cavity are physically isolated and designed to block heat feedback, the suction temperature fluctuation is reduced by 30%.

[0015] Noise and pulsation suppression:

[0016] The multi-cavity series connection structure reduces the exhaust pulsation peak value by more than 50%;

[0017] The through slot and the connecting channel form a stepped expansion muffler, the pneumatic noise is reduced by 6-8dB (A).

[0018] Design flexibility breakthrough:

[0019] The exhaust port is arranged at 360 degrees, which can adapt to different installation space requirements;

[0020] The modular cavity layout allows the number of first exhaust cavities to be increased or decreased (such as 4→6) to match different displacement models.

[0021] Energy efficiency optimization:

[0022] The rectified smooth airflow reduces vortex loss, and the isentropic efficiency of the compressor is improved by 2-3%;

[0023] The low-temperature air suction environment improves the volumetric efficiency of the compression unit by 1.5-2%.

[0024] Reliability is enhanced:

[0025] The pressure equalization channel eliminates local high-pressure stress concentration, and the service life of the key components is extended by 30%;

[0026] The reduced thermal deformation improves the stability of the motion part matching precision and prolongs the maintenance period by 50%. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0028] Figure 2 It is a structure top view of the utility model;

[0029] Figure 3 It is a schematic view of the air suction and exhaust chamber distribution of the existing compressor.

[0030] In the figure: 1, compressor rear cover; 2, exhaust port; 1-1, air suction chamber; 1-2, second exhaust chamber; 1-3, first exhaust chamber; 1-4, channel; 1-5, first connecting channel; 1-6, second connecting channel. DETAILED DESCRIPTION

[0031] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model will be described in detail as follows in combination with the drawings and preferred embodiments.

[0032] Please refer to Figures 1-2 The utility model provides a kind of technical scheme: a kind of multifunctional compressor air suction and exhaust chamber structure, including compressor rear cover 1, compressor rear cover 1, compressor rear cover 1 includes air suction chamber 1-1 and exhaust chamber structure;

[0033] Air suction chamber 1-1 is arranged at the center of compressor rear cover 1;

[0034] Exhaust chamber structure includes four first exhaust chambers 1-3 and one second exhaust chamber 1-2 arranged in annular in the outer circle of air suction chamber 1-1, four first exhaust chambers 1-3 are communicated by channel 1-4 recessed in the surface of compressor rear cover 1, the two sides of second exhaust chamber 1-2 are connected with adjacent two first exhaust chambers 1-3 by first connecting channel 1-5 and second connecting channel 1-6 with the inner cavity of compressor rear cover 1, the side of compressor rear cover 1 is provided with exhaust port 2 communicated with exhaust chamber structure.

[0035] The suction cavity 1-1 is a circular chamber.

[0036] The second exhaust cavity 1-2 and the four first exhaust cavities 1-3 are arranged in a peripheral annular array around the suction cavity 1-1, which is located in the middle position, can effectively reduce the temperature of the exhaust chamber, improve the durability of the compressor, and the exhaust chamber is arranged in the outer ring, which is in contact with air, can better dissipate heat, and the exhaust port position can be arranged at 360°, greatly improving the flexibility of product design, effectively rectifying the exhaust pulsation, reducing noise, and improving the operating efficiency of the compressor and user experience.

[0037] The exhaust port 2 is in communication with any one of the second exhaust cavity 1-2 and the four first exhaust cavities 1-3, and the two sides of the second exhaust cavity 1-2 are connected with the two adjacent first exhaust cavities 1-3 through the first and second connecting channels 1-5 and 1-6 respectively, and the exhaust port 2 position can be arranged at 360°, greatly improving the flexibility of product design.

[0038] Compared with the existing compressor in Figure 3 , the suction and exhaust chambers have the following advantages

[0039] 1. Through the independent exhaust chamber design, the exhaust pulsation is effectively reduced, and the operating stability of the compressor is improved.

[0040] 2. Flexible exhaust port arrangement, optimizing the airflow path, improving system efficiency.

[0041] 3. Significantly reduces the noise of the compressor during operation, improves user experience.

[0042] 4. The suction cavity is located in the middle position, effectively reducing the temperature of the exhaust chamber, improving the durability of the compressor.

[0043] 5. The exhaust chamber is arranged in the outer ring, enhancing the heat dissipation effect, further improving the operating efficiency and service life of the compressor.

[0044] 6. The exhaust port position can be arranged at 360°, greatly improving the flexibility of product design, meeting the needs of different application scenarios.

[0045] When working

[0046] Suction stage: low-temperature gas enters the compressor axially through the central suction cavity 1-1, and is compressed by the internal compression unit.

[0047] Multi-stage exhaust guide:

[0048] High-temperature and high-pressure gas first enters the four first exhaust cavities 1-3 and one second exhaust cavity 1-2 in the peripheral annular array;

[0049] The first exhaust cavity is connected transversely by the under-surface recessed through slot 1-4 to balance the pressure of each cavity;

[0050] The second exhaust cavity is connected in series with the adjacent first exhaust cavity by the embedded first connecting channel 1-5 and the second connecting channel 1-6 to form a continuous flow path;

[0051] After the gas is gradually buffered by the multi-cavity, it is finally output by the exhaust port 2 which can be freely arranged at 360°.

[0052] Dynamic thermal management: the outer ring layout of the annular exhaust cavity is directly exposed to the ambient air, which quickly dissipates heat through natural convection and radiation, while isolating the heat conduction path of the central low-temperature suction cavity.

[0053] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application, and any equivalent embodiments with equivalent changes are still within the scope of the present application. Any modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are still within the scope of the present application.

Claims

1. A multi-functional compressor suction and discharge chamber structure comprising a compressor back cover (1), said compressor back cover (1) characterized by: The compressor back cover (1) comprises a suction cavity (1-1) and an exhaust cavity structure; The suction cavity (1-1) is arranged at the center of the compressor back cover (1); The exhaust cavity structure comprises four first exhaust cavities (1-3) and one second exhaust cavity (1-2) arranged annularly outside the outer circle of the suction cavity (1-1), the four first exhaust cavities (1-3) are communicated through a through slot (1-4) recessed on the surface of the compressor back cover (1), the two sides of the second exhaust cavity (1-2) are connected with the two adjacent first exhaust cavities (1-3) through the first connecting channel (1-5) and the second connecting channel (1-6) respectively, and the side edge of the compressor back cover (1) is provided with an exhaust port (2) communicated with the exhaust cavity structure.

2. A multi-functional compressor suction and discharge chamber structure according to claim 1, characterized in that: The suction cavity (1-1) is a circular cavity.

3. A multi-functional compressor suction and discharge chamber structure according to claim 1, characterized in that: The second exhaust cavity (1-2) and the four first exhaust cavities (1-3) are distributed in an annular array at the periphery of the suction cavity (1-1).

4. A multi-functional compressor suction and discharge chamber structure according to claim 1, characterized in that: The exhaust port (2) is communicated with any one of the second exhaust cavity (1-2) and the four first exhaust cavities (1-3), and the two sides of the second exhaust cavity (1-2) are connected with the two adjacent first exhaust cavities (1-3) through the first connecting channel (1-5) and the second connecting channel (1-6) respectively.

Images