Lateral air expanding opening for pipeline ventilation system

Abstract

A lateral air expanding opening for a pipeline ventilation system comprises a plurality of supporting rings distributed concentrically, every two adjacent supporting rings are connected through a plurality of ribs distributed in the radial direction, the two side walls of each rib are obliquely arranged inwards, and the section of each rib is in a splayed shape with the narrow inside and the wide outside. The utility model has the beneficial effects that the lateral air inlet design is adopted, and a ventilation structure expanding laterally is formed by the plurality of support rings which are concentrically distributed and the ribs connected with the support rings. The airflow is not limited to plane flow any more, but enters and is exhausted through the lateral air expansion port, so that the air inlet and outlet area of the air port is greatly increased. Compared with a traditional plane air inlet mode, the design can provide a larger ventilation channel under the condition that the diameter of the air opening is not increased, and the air volume output of the ventilation system is effectively improved.

Description

Technical Field

[0001] The utility model relates to ventilation equipment, in particular to a lateral air diffuser for a pipeline ventilation system. Background Art

[0002] With the continuous advancement of modern building structures and ventilation requirements, ducted ventilation systems have become a crucial component for ensuring indoor air circulation and improving air quality. In industrial, commercial, and residential buildings, ventilation system performance directly impacts indoor air renewal efficiency and occupant comfort. However, existing ventilation system designs often feature relatively simple vent structures, particularly those with lateral expansion, which are relatively backward in design and fail to effectively increase air volume and reduce pressure loss.

[0003] In the existing technology, most ventilation equipment adopts a flat air inlet and outlet design. Although this design is relatively simple in terms of manufacturing process, it has obvious shortcomings, which are mainly reflected in the following aspects:

[0004] 1. Small air inlet and outlet area: Flat air outlet structures restrict the airflow inlet and outlet area, resulting in poor air circulation. In practice, this design often fails to meet the ventilation needs of large spaces, especially in places requiring efficient air circulation, such as industrial production workshops and large shopping malls. As building scale increases, the limited ventilation area becomes more pronounced, and insufficient air inlet and outlet area becomes a major bottleneck.

[0005] 2. Low air volume: Due to the limited inlet and outlet area, the airflow through the vents is relatively small. This insufficient air volume reduces ventilation efficiency, preventing timely and effective indoor air replacement, which in turn affects indoor air freshness. For places where high air quality must be maintained over a long period of time, such as office buildings and hospitals, existing flat inlet and outlet designs fail to meet air quality standards.

[0006] 3. High pressure loss: The flat inlet and outlet design of existing ventilation systems results in significant pressure loss during air flow due to their small inlet and outlet areas. This creates significant resistance as air flows through the inlets, reducing ventilation system efficiency. To compensate for this shortcoming, the ventilation equipment often needs to be powered up, which not only increases energy consumption but also increases operating noise.

[0007] 4. Uneven airflow distribution: Flat vents have a linear airflow distribution, which prevents effective multi-directional air guidance. This results in localized areas of excessive or insufficient airflow, leading to uneven ventilation. This phenomenon is particularly noticeable in large spaces, affecting overall ventilation and potentially causing air stagnation in certain areas, increasing the accumulation of indoor pollutants. Therefore, further improvements are necessary. Utility Model Content

[0008] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a duct ventilation system air outlet structure with a simple structure and easy use. By optimizing the design of the air inlet and outlet, the air volume is increased, the pressure loss is reduced, and a uniform air flow distribution is achieved, so as to improve the ventilation efficiency, reduce energy consumption, and meet the higher requirements for air quality in modern buildings. A lateral air expander for a duct ventilation system.

[0009] The purpose of the utility model is achieved in the following way: a lateral air diffuser for a duct ventilation system, which includes a plurality of concentrically distributed support rings, wherein adjacent support rings are connected by a plurality of radially distributed ribs, and the two side walls of the ribs are inclined inwardly so that the cross-section of the ribs is in the shape of an "eight" with a narrow inside and a wide outside.

[0010] Furthermore: a central tube is provided at the center of the support ring, and a plurality of support rings are concentrically arranged around the central tube.

[0011] Furthermore: the front face of the central tube is convexly provided with a conical air guide platform.

[0012] Furthermore, the support ring and an adjacent support ring are staggered in the front and back directions along the axial direction, and the ribs are axially inclined to connect the two adjacent support rings.

[0013] Furthermore: the ribs on the inner ring and the outer ring of the support ring are staggered.

[0014] The beneficial effects of the utility model are: 1. Simple structure, low production cost and improved market competitiveness.

[0015] 2. This utility model utilizes a lateral air intake design, creating a laterally expanding ventilation structure through several concentrically arranged support rings and connecting ribs. Since airflow is no longer confined to a flat surface, but enters and exits through lateral expansion ports, the inlet and outlet areas of the vents are significantly increased. Compared to traditional flat air intake methods, this design provides a larger ventilation channel without increasing the vent diameter, effectively increasing the ventilation system's air output.

[0016] 3. This utility model significantly improves air flow by optimizing the geometry of the air outlet and utilizing a lateral expansion structure formed by multiple support rings and ribs. The lateral air intake surface more efficiently guides airflow, allowing air to enter and exit the duct more smoothly. Compared with flat air outlets, this structure can provide greater air volume at the same fan power, thereby improving the overall efficiency of the ventilation system and meeting the demand for high air volume and low noise.

[0017] 4. Traditional planar air intake systems limit the inlet and outlet areas, resulting in significant air flow resistance and, in turn, significant pressure loss. The lateral air intake design of the present invention expands the inlet and outlet areas while reducing air flow resistance at the air outlet. Air flows more evenly and smoothly through the air outlet, significantly reducing pressure loss in the ventilation system. This design not only improves ventilation efficiency but also reduces system energy consumption and lowers equipment operating costs.

[0018] 5. Due to the lateral expansion design adopted by this utility model, the airflow can be more evenly distributed in all directions, avoiding the problems of concentrated airflow and excessive local air volume in the traditional plane air intake method. Through the lateral air intake, this utility model achieves a more uniform airflow distribution, making the air circulation effect of the entire ventilation area more ideal, especially suitable for places that require uniform ventilation over a large area. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the utility model.

[0020] Figure 2 This is a cross-sectional view of the structure of the utility model. DETAILED DESCRIPTION

[0021] The present invention is further described below with reference to the accompanying drawings. A lateral diffuser for a duct ventilation system comprises a plurality of concentrically arranged support rings 1, with adjacent support rings 1 connected by a plurality of radially arranged ribs 2. The ribs 2 have two sidewalls 3 that are inclined inwardly, forming an "eight"-shaped cross-section that is narrow inside and wide outside.

[0022] In one embodiment, a central tube 4 is provided at the center of the support ring 1 , and a plurality of support rings 1 are concentrically arranged around the central tube 4 .

[0023] In one embodiment, a conical air guide platform 5 is provided on the front protrusion of the central tube 4 .

[0024] In one embodiment, the support ring 1 and an adjacent support ring 1 are staggered in the front and back direction along the axial direction, and the ribs 2 are axially inclined to connect the two adjacent support rings 1 .

[0025] In one embodiment, the ribs 2 on the inner and outer rings of the support ring 1 are staggered.

[0026] Working Principle: This vent structure consists of several concentrically arranged support rings, interconnected by radially distributed ribs. The sidewalls of the ribs are inclined inward, giving the ribs an "eight"-shaped cross-section, creating an airflow channel that is narrow inside and wide outside. This design allows airflow to expand laterally between the support rings, achieving lateral air intake and exhaust.

[0027] Compared to traditional flat air intake methods, the lateral expansion design significantly increases the air inlet and outlet area, effectively increasing air volume. In particular, by increasing the lateral expansion surface without increasing the overall diameter of the ventilation system, air can flow more fully through the air outlet, significantly improving the ventilation capacity of the air outlet.

[0028] In addition, a central tube is positioned at the center of the support ring, with a conical air guide protruding from the front. When air enters the vent from the outside, the conical air guide disperses and guides the airflow, evenly distributing it to the various lateral intake surfaces, allowing the airflow to flow more smoothly through all parts of the vent. At the same time, the central tube also provides structural support for the vent, ensuring overall stability. This design, by guiding the airflow to disperse, avoids the phenomenon of excessive localized airflow seen in traditional planar air intakes, achieving uniform airflow distribution, further reducing airflow stagnation in localized areas, and improving overall ventilation.

[0029] Furthermore, the support rings are axially offset from one another, with ribs connecting adjacent support rings at an angle. This creates a continuous and smooth airflow path as the air flows through the rings. As the air flows from one support ring to the next, the axial offset effectively reduces resistance to the airflow, minimizing eddies and windage.

[0030] This structure creates a gradual change in the airflow path, reducing turbulence and turbulence within the tuyere, thereby significantly reducing pressure loss. This design reduces pressure loss, allowing the entire ventilation system to operate with lower energy consumption, effectively improving ventilation efficiency and reducing equipment operating costs.

[0031] In addition, the ribs on the inner and outer rings of the vent support ring are staggered. This staggered design further increases the airflow channel area, forms more airflow paths, and ensures that the airflow can flow more fully inside the vent. The arrangement of the staggered ribs also prevents the airflow from being excessively obstructed when passing through the vent, further reducing pressure loss and increasing air volume. By staggering the inner and outer ring ribs, the airflow path is further optimized, the airflow channel area is increased, and the air volume output of the ventilation system is effectively improved while maintaining low wind resistance and pressure loss.

[0032] In summary, this new design optimizes the airflow inlet and outlet paths through innovative features such as lateral air expansion, the guiding role of the central tube and air guide platform, axially offset connections, and staggered rib arrangement. This allows for smoother and more even airflow through the vents. This not only significantly increases the ventilation system's air volume output and reduces pressure loss, but also improves overall ventilation system efficiency. It is suitable for a variety of applications requiring efficient ventilation and is therefore well-suited for widespread adoption.

[0033] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A lateral air vent for a duct ventilation system, characterized by: It comprises a plurality of concentrically distributed support rings (1), wherein two adjacent support rings (1) are connected via a plurality of radially distributed ribs (2), and the two side walls (3) of the ribs (2) are arranged to be inclined inwards, so that the cross section of the ribs is in the shape of an "eight" with a narrow interior and a wide exterior.

2. The lateral air diffuser for a duct ventilation system according to claim 1, characterized in that: A central tube (4) is provided at the center of the support ring (1), and a plurality of support rings (1) are concentrically arranged around the central tube (4).

3. The lateral air diffuser for a duct ventilation system according to claim 2, characterized in that: The front face of the central tube (4) is provided with a conical air guide platform.

4. The lateral air diffuser for a duct ventilation system according to claim 1, characterized in that: The support ring (1) and an adjacent support ring (1) are staggered in the front and back directions along the axial direction, and the ribs (2) connect the two adjacent support rings (1) in an axially inclined manner.

5. The lateral air diffuser for a duct ventilation system according to claim 1, characterized in that: The ribs (2) on the inner and outer rings of the support ring (1) are staggered.

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