Air exhaust and heat dissipation structure of compressor

By adopting a vertically arranged cooling fan and air guide fin structure on the oxygen concentrator compressor, the problem of poor compressor heat dissipation was solved, achieving comprehensive heat dissipation and stable operation of the compressor.

CN223894342UActive Publication Date: 2026-02-10HEFEI KANGJUREN MEDICAL EQUIPMENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520420041.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-10
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The existing oxygen concentrator compressors have a single heat dissipation method, resulting in limited heat dissipation effect and affecting the stability of the compressor during long-term operation.

Method used

The cooling fan and air guide fins are arranged vertically. The airflow changes direction through the air guide fins, spreads flat along the upper surface of the compressor assembly, and is finally discharged from the exhaust port. Combined with the diagonally symmetrically arranged cooling fan and air guide fins, it ensures full coverage of the cooling of the compressor assembly.

Benefits of technology

This improves the overall heat dissipation of the compressor components, ensuring the compressor's stable operation over a long period and avoiding motor overheating problems caused by poor heat dissipation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of internal heat dissipation of an oxygen generator, and discloses a compressor exhaust heat dissipation structure which comprises a heat dissipation fan arranged on a compressor shell, airflow blown out of an air outlet of the heat dissipation fan advances in the vertical direction, an air guide piece is arranged on the compressor shell and located below the air outlet of the heat dissipation fan, and the air guide piece is arranged on the compressor shell and located below the air outlet of the heat dissipation fan. And under the action of the air guide blades, airflow blown out by the fan is flatly blown to the upper end face of the compressor assembly and is finally exhausted along an exhaust outlet formed in the compressor shell. According to the cooling fan, when the cooling fan operates, the air guide pieces guide air flow, continuous air blowing and heat dissipation can be conducted on the upper surface of the compressor assembly, the heat dissipation performance of a compressor is effectively improved, and long-time stable operation of the compressor is facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of internal heat dissipation technology for oxygen generators, specifically a compressor exhaust heat dissipation structure. Background Technology

[0002] An oxygen concentrator is a machine that produces oxygen using air separation technology. Utilizing the adsorption properties of molecular sieves, and through physical principles, powered by a high-displacement oil-free compressor, it separates nitrogen and oxygen from the air to obtain a high concentration of oxygen. The compressor in an oxygen concentrator has high power and generates a lot of heat. If it is not effectively cooled, the motor temperature will rise beyond the compressor's tolerance, causing significant problems for long-term operation and even burning out the motor. Traditional compressor cooling relies primarily on a cooling fan directly blowing air onto the compressor components. However, due to the stratification of hot and cold air, hot air concentrates in the upper part of the compressor housing. In this case, a cooling fan is typically used to blow air vertically onto the compressor components. Because the area covered by the cooling fan is limited, it can only effectively cool a localized area of ​​the compressor components, and the overall cooling performance of the compressor components still needs improvement. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a compressor exhaust heat dissipation structure, which solves the problem that the existing oxygen generators have limited heat dissipation measures for the compressor, resulting in limited heat dissipation during operation and affecting the long-term operational stability of the compressor.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a compressor exhaust and heat dissipation structure, comprising a cooling fan arranged on the compressor housing, wherein the airflow blown out from the outlet of the cooling fan travels vertically, and a guide vane is arranged on the compressor housing below the outlet of the cooling fan. Under the action of the guide vane, the airflow blown out by the fan is spread out and blown towards the upper surface of the compressor assembly and finally discharged along the exhaust port provided on the compressor housing.

[0007] Preferably, the compressor housing has heat dissipation vents symmetrically arranged along the diagonal on its upper surface, and each heat dissipation vent is equipped with a cooling fan. The cooling fans are centrally symmetrically arranged on the compressor housing, and the air outlets of the cooling fans face the heat dissipation vents.

[0008] Preferably, the compressor housing has a plurality of mounting holes arranged on the edge of the heat dissipation vent, and the air guide vane and the cooling fan are both provided with fixing holes that match the mounting holes. The cooling fan and the air guide vane are detachably connected to the compressor housing by fasteners.

[0009] Preferably, the air guide vane includes an air vane body, the upper end face of the air vane body is provided with an installation edge, the installation edge is provided with fixing holes corresponding one-to-one with the installation holes, and the lower part of the air vane body is provided with an air guiding slope.

[0010] Preferably, the main body of the wind vane is integrally formed using PVC material.

[0011] (III) Beneficial Effects

[0012] This utility model has the following beneficial effects:

[0013] This compressor exhaust and cooling structure utilizes a cooling fan mounted vertically on the casing. During fan operation, airflow is directed from top to bottom to cool the compressor components. Guide vanes redirect the airflow at the outlet, allowing it to travel along the upper surface of the compressor components, descend after contacting the side wall of the compressor casing, and ultimately expel the heat generated on the compressor component surface through the exhaust vent. The combined action of the cooling fan and guide vanes ensures comprehensive cooling of the upper surface of the compressor components, effectively improving overall heat dissipation and ensuring stable long-term operation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the installation and application structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the disassembled structure of the cooling fan and air guide fins of this utility model;

[0016] Figure 3 This is a schematic diagram of the layout structure of the air guide plate, cooling fan and compressor assembly of this utility model;

[0017] Figure 4 This is a schematic diagram of the overall structure of the air guide plate of this utility model.

[0018] In the diagram: 1. Compressor assembly; 2. Compressor housing; 3. Heat dissipation vent; 4. Mounting hole; 5. Cooling fan; 6. Air guide vane; 61. Fan vane body; 62. Fixing hole; 63. Mounting edge; 64. Air guide slope. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1 This utility model provides a technical solution: a compressor exhaust heat dissipation structure, including a cooling fan 5 arranged on the compressor housing 2. The airflow blown out by the air outlet of the cooling fan 5 travels in a vertical direction. A guide vane 6 is arranged on the compressor housing 2 below the air outlet of the cooling fan 5. Under the action of the guide vane 6, the airflow blown out by the fan is spread out and blown towards the upper surface of the compressor assembly 1 and finally discharged along the exhaust port provided on the compressor housing 2.

[0021] This invention utilizes a cooling fan 5 arranged vertically on the housing to blow air downwards, effectively cooling the compressor assembly 1. A guide vane 6 redirects the airflow at the outlet, allowing the cooling air to travel along the upper surface of the compressor assembly 1, descend after contacting the side wall of the compressor housing 2, and finally expel the heat generated on the surface of the compressor assembly 1 through the exhaust port on the compressor housing 2. The combined action of the cooling fan 5 and the guide vane 6 provides comprehensive cooling to the upper surface of the compressor assembly 1, effectively improving the overall heat dissipation and ensuring stable long-term operation of the compressor.

[0022] Reference Figure 1 and 2 As shown in this embodiment, heat dissipation vents 3 are symmetrically arranged along the diagonal on the upper surface of the compressor housing 2. A cooling fan 5 is arranged on each of the heat dissipation vents 3, and the cooling fans 5 are centrally symmetrically arranged on the compressor housing 2, with their air outlets facing the heat dissipation vents 3. By setting the cooling fans 5 along the diagonal and centrally symmetrical arrangement, the limited airflow area of ​​a single cooling fan 5 is effectively avoided, preventing the compressor's outer surface from being difficult to cover with airflow for heat dissipation. Furthermore, due to the centrally symmetrical arrangement of the cooling fans 5, staggered airflow can be applied to the compressor assembly 1, effectively avoiding dead airflow areas and improving the efficiency of heat dissipation for the compressor assembly 1.

[0023] In this embodiment, a plurality of mounting holes 4 are arranged on the compressor housing 2 at the edge of the heat dissipation port 3, and fixing holes 62 matching the mounting holes 4 are arranged on the air guide 6 and the cooling fan 5. The cooling fan 5 and the air guide 6 are detachably connected to the compressor housing 2 by fasteners.

[0024] Reference Figure 4 As shown, in this embodiment, the air guide vane 6 includes a vane body 61. The upper surface of the vane body 61 is provided with an mounting edge 63, and the mounting edge 63 has fixing holes 62 corresponding to the mounting holes 4. The lower part of the vane body 61 is provided with a guiding slope 64. Through the guiding slope 64 provided at the lower part of the vane body 61, the airflow blown by the cooling fan 5 can be guided, causing it to spread out and blow towards the upper surface of the compressor assembly 1. Then, in conjunction with the restraining effect of the compressor housing 2, it flows downwards along the gap between the compressor assembly 1 and the compressor housing 2, thereby achieving efficient heat dissipation for the upper surface and surrounding area of ​​the compressor.

[0025] Reference Figure 4 As shown, in this embodiment, the fan blade body 61 is integrally formed from PVC material. By using PVC material to form the fan blade body 61, the entire air guide 6 is guaranteed to have excellent heat resistance and mechanical strength, ensuring that it is not easily deformed during long-term use. At the same time, the angle of the air guide slope 64 can be calculated to optimize the airflow path to the greatest extent, thereby further improving the heat dissipation efficiency.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A compressor exhaust cooling structure, comprising a cooling fan arranged on the compressor housing, characterized in that: The airflow from the cooling fan outlet travels vertically. A guide vane is arranged on the compressor housing below the cooling fan outlet. Under the action of the guide vane, the airflow from the fan is spread out and blown towards the upper surface of the compressor assembly, and finally discharged along the exhaust port provided on the compressor housing.

2. The compressor exhaust heat dissipation structure according to claim 1, characterized in that: The compressor housing has heat dissipation vents arranged symmetrically along the diagonal on its upper surface. Each heat dissipation vent is equipped with a cooling fan. The cooling fans are centrally and symmetrically arranged on the compressor housing, with their air outlets facing the heat dissipation vents.

3. The compressor exhaust heat dissipation structure according to claim 1, characterized in that: The compressor housing has several mounting holes arranged at the edge of the heat dissipation vent. The air guide and the cooling fan are both provided with fixing holes that match the mounting holes. The cooling fan and the air guide are detachably connected to the compressor housing by fasteners.

4. The compressor exhaust heat dissipation structure according to claim 3, characterized in that: The air guide vane includes a vane body, the upper end face of the vane body is provided with an installation edge, the installation edge is provided with fixing holes corresponding to the installation holes, and the lower part of the vane body is provided with an air guide slope.

5. The compressor exhaust heat dissipation structure according to claim 4, characterized in that: The main body of the wind vane is integrally formed using PVC material.