CN219120694U

CN219120694U - Fresh air system

Info

Publication number: CN219120694U
Application number: CN202223100849.5U
Authority: CN
Inventors: 邱伟泉
Original assignee: Guangdong Bailang Fresh Air System Co ltd
Current assignee: Guangdong Bailang Fresh Air System Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-06-02
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a fresh air system, which comprises: the air inlet is used for allowing external air to enter the fresh air system and the air outlet is used for exhausting filtered air through the air outlet; the filtering component is arranged between the air inlet and the air outlet and is used for filtering air entering the fresh air system; and the flow equalizing plate is arranged on one side closer to the air inlet relative to the filtering component. The fresh air system can provide the flow-equalizing air quantity and reduce the generation of vortex, and meanwhile, air is uniformly distributed on the windward side of the exchange core, so that the enthalpy exchange efficiency is improved, and the frosting possibility of the exchange core is reduced.

Description

Fresh air system

Technical Field

The utility model relates to a fresh air system.

Background

The basic principle of the fresh air system is that outdoor air is sucked into a machine with a filtering function, and filtered air is discharged into a room, so that the content of dust, particularly PM2.5, in the air is greatly reduced. The fan is one of key components for sucking air into the fresh air system and discharging the air. But how to improve the performance of fans remains a problem to be solved.

Disclosure of Invention

The present utility model is directed to solving at least one of the above-mentioned problems and disadvantages of the prior art.

According to one aspect of the present utility model, there is provided a fresh air system including: the air inlet is used for allowing external air to enter the fresh air system and the air outlet is used for exhausting filtered air through the air outlet; the filtering component is arranged between the air inlet and the air outlet and is used for filtering air entering the fresh air system; and the flow equalizing plate is arranged on one side closer to the air inlet relative to the filtering component.

According to an exemplary embodiment of the present application, the flow equalization plate includes holes disposed therein.

According to an exemplary embodiment of the present application, the flow equalization plates have a plurality of hexagons in cross section.

According to an exemplary embodiment of the present application, the thickness of the flow equalization plate is between 0.3 and 0.8 mm.

According to an exemplary embodiment of the present application, the height of the flow equalization plates is between 20-30 millimeters.

According to an exemplary embodiment of the present application, the holes of the flow equalization plate are arranged in a honeycomb shape.

According to an exemplary embodiment of the present application, the current sharing plate is a lithium sheet.

According to an exemplary embodiment of the present application, the surface area of the flow equalization plate matches the surface area of the filter assembly.

According to an exemplary embodiment of the present application, the flow equalization plate is secured to a housing of the fresh air system.

According to an exemplary embodiment of the present application, the flow equalization plate is in interference fit with the housing of the fresh air system.

Through being provided with the new trend system of cellular flow equalizing board in this application, can provide the amount of wind of flow equalizing and reduce the production of vortex, make the air evenly distributed on the exchange core windward side simultaneously to improve enthalpy exchange efficiency, reduce exchange core frosting possibility.

Other objects and advantages of the present utility model will become apparent from the following description of the utility model with reference to the accompanying drawings, which provide a thorough understanding of the present utility model.

Drawings

FIG. 1 shows a schematic diagram of an exemplary fresh air system according to the present utility model.

Fig. 2 shows a schematic cross-sectional view of the flow equalization plate shown in fig. 1.

Fig. 3 is a partial perspective view of the flow equalization plate shown in fig. 2.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of embodiments of the present utility model with reference to the accompanying drawings is intended to illustrate the general inventive concept and should not be taken as limiting the utility model.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in the drawings in order to simplify the drawings.

According to the general technical conception, the application provides a fresh air system capable of improving the enthalpy efficiency of a fan by improving a honeycomb flow equalizing plate.

FIG. 1 shows a schematic diagram of an exemplary fresh air system according to the present utility model. Fig. 2 shows a schematic cross-sectional view of the flow equalization plate shown in fig. 1. Fig. 3 is a partial perspective view of the flow equalization plate shown in fig. 2.

As shown in fig. 1 to 3, the fresh air system 1 includes: the air inlet 20, the outside air enters the fresh air system 1 through the air inlet 20; the fresh air system 1 discharges filtered air through the air outlet; a filter assembly 40 disposed between the air inlet 20 and the air outlet for filtering air entering the fresh air system 1; and a flow equalizing plate 10, wherein the flow equalizing plate 10 is arranged at a side closer to the air inflow side relative to the filter assembly 40.

In the present embodiment, the air outlet is provided at an end of the housing 50 opposite to the air inlet, which is not shown due to shielding.

As shown in the figure, the external air enters the fresh air system 1 through the air inlet 20, and then passes through the flow equalizing plate 10, so that the air quantity is uniform and the generation of vortex is reduced due to the existence of the flow equalizing plate 10, and meanwhile, the air is uniformly distributed on the windward side of the exchange core, so that the air can enter the filter assembly 40 more uniformly. Therefore, the fresh air system 1 comprising the flow equalization plates 10 can improve the enthalpy exchange efficiency and reduce the possibility of frosting of the exchange core

According to an exemplary embodiment of the present application, the flow equalization plate 10 includes holes 11 disposed therein. Air passes through the flow equalization plate 10 through the holes 11.

As shown in fig. 2 and 3, according to an exemplary embodiment of the present application, the cross section of each hole 11 provided in the flow equalization plate is hexagonal. In other embodiments, the shape of the holes is not limited, for example, the holes may be circular, triangular, rectangular, or other polygonal shapes. Preferably, the holes are hexagonal. Thus, the holes 11 are arranged in a honeycomb shape, and the flow equalizing plate may be formed as a honeycomb flow equalizing plate.

As shown in fig. 2 and 3, according to an exemplary embodiment of the present application, the flow equalization plate has a thickness of between 0.3 and 0.8 mm. For example, the thickness of the flow equalization plate may be 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm or 0.8 mm, or 0.55 mm, etc.

As shown in fig. 3, according to an exemplary embodiment of the present application, the height of the flow equalization plates is between 20-30 mm. For example, the flow equalization plates may have a thickness of 20 mm, 24 mm, 25 mm, 26 mm, 28 mm, 30 mm, etc.

As shown in fig. 1 to 3, according to an exemplary embodiment of the present application, the current sharing plate may be a lithium sheet.

As shown in fig. 1-3, according to one exemplary embodiment of the present application, the surface area of the flow equalization plate matches the surface area of the filter assembly. In other embodiments, the surface area of the flow equalization plates may be slightly smaller than the surface area of the filter assembly. Alternatively, the flow equalization plate may have a surface area slightly larger than the surface area of the air inlet of the filter assembly.

As shown in fig. 1-3, according to one exemplary embodiment of the present application, the flow equalization plate is secured to a housing 50 of the fresh air system 1. For example, the flow equalization plates may be fixed to the inner surface of the housing 50 or provided on a fixed plate of the housing 50.

As shown in fig. 1 to 3, according to an exemplary embodiment of the present application, the flow equalization plate is interference fit with the housing 50 of the fresh air system 1, that is, the flow equalization plate may be fixed to the housing 50 by interference fit, or may be fixed to the housing 50 by an adhesive, or may be fixed to the housing 50 by a fixing member.

The honeycomb flow equalizing plate that sets up in the new trend system among this application passes through the amount of wind and is equal constantly mild, compares with ordinary new fan no flow equalizing plate, makes air evenly distributed on the exchange core windward side to improve enthalpy exchange efficiency.

The new trend system in this application has realized better air inlet effect through simple institutional advancement, and then makes enthalpy efficiency obtain promoting. In addition, the flow equalizing plate can ensure continuous normal work of uniform air inlet, accordingly improves work efficiency and reduces cost.

Those skilled in the art will appreciate that the embodiments described above are exemplary and that modifications may be made by those skilled in the art, and that the structures described in the various embodiments may be freely combined without conflict in terms of structure or principle.

Although the present utility model has been described with reference to the accompanying drawings, the examples disclosed in the drawings are intended to illustrate preferred embodiments of the utility model and are not to be construed as limiting the utility model.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and that the word "a" or "an" does not exclude a plurality. In addition, any element numbers of the claims should not be construed as limiting the scope of the utility model.

Claims

1. A fresh air system, characterized in that the fresh air system comprises:

the external air enters the fresh air system through the air inlet;

the fresh air system discharges filtered air through the air outlet;

the filtering component is arranged between the air inlet and the air outlet and is used for filtering air entering the fresh air system;

and the flow equalizing plate is arranged on one side closer to the air inlet relative to the filtering component.

2. The fresh air system of claim 1, wherein: the flow equalizing plate comprises holes arranged in the flow equalizing plate.

3. The fresh air system of claim 2, wherein: the cross section of the flow equalizing plate is a plurality of hexagons.

4. A fresh air system according to claim 3, wherein: the thickness of the flow equalizing plate is between 0.3 and 0.8 mm.

5. The fresh air system of any one of claims 1-4, wherein: the height of the flow equalizing plate is 20-30 mm.

6. The fresh air system of any one of claims 1-4, wherein: the holes of the flow equalizing plate are arranged in a honeycomb mode.

7. The fresh air system of any one of claims 1-4, wherein: the flow equalizing plate is a lithium sheet.

8. The fresh air system of any one of claims 1-4, wherein: the surface area of the flow equalization plate is matched with the surface area of the filter assembly.

9. The fresh air system of any one of claims 1-4, wherein: the flow equalization plate is fixed to a housing of the fresh air system.

10. The fresh air system of any one of claims 1-4, wherein: and the flow equalizing plate is in interference fit with the shell of the fresh air system.