Fresh air purification device

Abstract

The utility model provides a fresh air purification device. The box body is provided with an air supply hole, an air exhaust hole, an air return hole and a fresh air hole, the air supply cavity is located in the box body and connected with the air supply hole, the air exhaust cavity is located in the box body, connected with the air exhaust hole and arranged adjacent to the air supply cavity, the air return cavity is located in the box body and connected with the air return hole, and the fresh air cavity is located in the box body and connected with the fresh air hole. The air supply fan is located in the air supply cavity, the air exhaust fan is located in the air exhaust cavity, the heat exchange core is located between the air return cavity and the fresh air cavity, the air supply cavity is communicated with the fresh air cavity, and the air exhaust cavity is communicated with the air return cavity. The utility model has the advantages that the structure is simplified, the arrangement of internal elements is more compact, the miniaturization is realized, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of air purification, in particular to a fresh air purification device. Background Art

[0002] As is well known, fresh air purifiers are used to purify air and introduce fresh outdoor air into indoor spaces, reducing indoor carbon dioxide, PM2.5, and formaldehyde levels, allowing users to breathe fresh, clean air and reducing respiratory diseases. However, existing fresh air purifiers are complex in structure and occupy a large space, making them difficult to miniaturize and reduce costs. Similar technologies can be referenced in the applicant's prior patent CN209326001U.

[0003] Therefore, it is necessary to provide a new technical solution to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to provide a fresh air purification device with a simplified structure and a more compact arrangement of internal components, thereby achieving miniaturization and reducing costs.

[0005] To achieve the purpose of this utility model, the utility model provides the following technical solutions: a fresh air air purification device, which includes a box body with air supply holes, air exhaust holes, return air holes, and fresh air holes, an air supply cavity located in the box body and connected to the air supply holes, an exhaust cavity located in the box body and connected to the air exhaust holes and arranged adjacent to the air supply cavity, a return air cavity located in the box body and connected to the return air holes, a fresh air cavity located in the box body and connected to the fresh air holes, an air supply fan located in the air supply cavity, an exhaust fan located in the exhaust cavity, and a heat exchange core located between the return air cavity and the fresh air cavity, wherein the air supply cavity and the fresh air cavity are connected, and the exhaust cavity and the return air cavity are connected.

[0006] On the basis of the above technical solution, the following subsidiary technical solutions are further included:

[0007] The box is placed on a horizontal plane, and the rotation axes of the air supply fan and the exhaust fan are both perpendicular to the horizontal plane.

[0008] The air supply fan and the exhaust fan are three-phase AC permanent magnet synchronous motors.

[0009] It also includes a sensor located in the return air chamber, and the sensor detects temperature, humidity, PM2.5, PM10, volatile organic compounds, and carbon dioxide information in the air.

[0010] The heat exchange core has a hexagonal projection shape along a direction perpendicular to the horizontal plane.

[0011] It also includes an electrical control box assembly electrically connected to the sensor, the supply fan, the exhaust fan, and the heat exchange core, a return air filter located in the return air chamber, and a fresh air filter located in the fresh air chamber. When the supply fan is working, the outdoor air is introduced into the room through the fresh air hole, and the fresh air filter works together to purify the air. Then the exhaust fan continues to work and discharges the indoor air to the outside through the exhaust hole.

[0012] It also includes a heat exchange core partition located on the heat exchange core and used to separate the return air chamber and the fresh air chamber, and a partition plate located between the supply air chamber and the exhaust air chamber.

[0013] The extending direction of the heat exchange core partition plate and the extending direction of the partition plate are parallel to each other.

[0014] The supply air holes and the exhaust air holes are respectively located on opposite sides of the box body, and the return air holes and the fresh air holes are also respectively located on opposite sides of the box body, wherein the supply air holes and the return air holes are located on one side of the box body, and the exhaust air holes and the fresh air holes are located on the other side of the box body.

[0015] It also includes a top cover plate that shields the open ends of the air supply cavity, the exhaust cavity, the return air cavity, and the fresh air cavity, wherein the heat exchange core partition is in contact with the inner side of the top cover plate.

[0016] The beneficial effects of the present invention are as follows: the structure is simplified, the internal components are arranged more compactly, miniaturization is achieved and costs are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0018] Figure 1 It is a three-dimensional diagram of the present invention at a first viewing angle.

[0019] Figure 2 and Figure 1 Similarly, this is a perspective view of the present invention at a second viewing angle, wherein the top cover plate is removed.

[0020] Figure 3 It is a three-dimensional diagram of the present invention at a third viewing angle.

[0021] Figure 4 It is a cross-sectional view of the present utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the embodiments described are some embodiments of the present invention, not all embodiments.

[0023] In the description of the present invention, it should be understood that the terms "center", "transverse", "longitudinal", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. When a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centered component at the same time. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a centered component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Example: Figure 1-4 As shown, the utility model discloses an embodiment of a fresh air purification device, which includes: a box body 1000 with an air supply hole 1140, an air exhaust hole 1240, a return air hole 1340, and a fresh air hole 1440; an air supply cavity 1100 located in the box body 1000 and connected to the air supply hole 1140; an air exhaust cavity 1200 located in the box body 1000 and connected to the air exhaust hole 1240 and adjacent to the air supply cavity 1100; a return air cavity 1300 located in the box body 1000 and connected to the return air hole 1340; and a fresh air purifier 1440 located in the box body 1000. A fresh air cavity 1400 is provided inside and connected to the fresh air hole 1440, a top cover plate 1900 shielding the open ends of the supply air cavity 1100, the exhaust air cavity 1200, the return air cavity 1300 and the fresh air cavity 1400, a supply air fan 4000 is located in the supply air cavity 1100, an exhaust air fan 4500 is located in the exhaust air cavity 1200, and a heat exchange core 3000 is located between the return air cavity 1300 and the fresh air cavity 1400, wherein the supply air cavity 1100 and the fresh air cavity 1400 are connected, and the exhaust air cavity 1200 and the return air cavity 1300 are connected.

[0025] The cabinet 1000 is placed on a horizontal surface and is a hollow rectangular body. The supply air chamber 1100, exhaust air chamber 1200, return air chamber 1300, and fresh air chamber 1400 are located within the cabinet 1000. Multiple side panels 2000 are provided on the outside of the cabinet 1000, with a partition 2200 positioned between the supply air chamber 1100 and the exhaust air chamber 1200. The supply air holes 1140, exhaust air holes 1240, return air holes 1340, and fresh air holes 1440 are provided through the opposing side panels 2000. The cabinet 1000 also includes an access panel corresponding to the top cover 1900 for internal inspection.

[0026] The heat exchange core 3000 has a hexagonal projection perpendicular to the horizontal plane, and a heat exchange core partition 3200 is provided at its top to separate the return air chamber 1300 and the fresh air chamber 1400. The heat exchange core partition 3200 extends parallel to the direction in which the partition plate 2200 extends.

[0027] This embodiment also includes a sensor 3300 located in the return air chamber 1300, an electrical control box assembly 2500 that is electrically connected to the sensor 3300, the supply fan 4000, the exhaust fan 4500, and the heat exchange core 3000 and is located outside the box 1000, a heat exchange core partition 3200 located on the heat exchange core 3000 and used to separate the return air chamber 1300 and the fresh air chamber 1400, a return air filter 3600 located in the return air chamber 1300, and a fresh air filter 3500 located in the fresh air chamber 1400, wherein the sensor 3300 detects temperature, humidity, PM2.5, PM10, volatile organic compounds, and carbon dioxide information in the air.

[0028] The air supply fan 4000 and the exhaust fan 4500 are three-phase AC permanent magnet synchronous motors. The rotation axes of the air supply fan 4000 and the exhaust fan 4500 are both perpendicular to the horizontal plane.

[0029] When the supply fan 4000 is working, the outdoor air is introduced into the room through the fresh air hole 1440, and the fresh air filter 3500 works together to purify the air. Then the exhaust fan 4500 continues to work, purifying the air flow through the return air filter 3600, and finally the indoor air is discharged to the outside through the exhaust hole 1240.

[0030] The advantages of the utility model are: simplified structure, more compact arrangement of internal components, miniaturization and cost reduction.

[0031] The above are only preferred implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with this technical field can make several modifications and improvements without departing from the creative concept of the present invention, which should be included in the protection scope of the present invention.

Claims

1. A fresh air purification device, characterized in that It includes: A box (1000) having an air supply hole (1140), an air exhaust hole (1240), an air return hole (1340), and a fresh air hole (1440); an air supply cavity (1100) located in the box (1000) and connected to the air supply hole (1140); an air exhaust cavity (1200) located in the box (1000) and connected to the air exhaust hole (1240) and arranged adjacent to the air supply cavity (1100); a return cavity (1300) located in the box (1000) and connected to the return air hole (1340); A fresh air chamber (1400) located in the box (1000) and connected to the fresh air hole (1440), an air supply fan (4000) located in the air supply chamber (1100), an exhaust fan (4500) located in the exhaust chamber (1200), and a heat exchange core (3000) located between the return air chamber (1300) and the fresh air chamber (1400), wherein the air supply chamber (1100) and the fresh air chamber (1400) are connected, and the exhaust chamber (1200) and the return air chamber (1300) are connected.

2. The fresh air purification device according to claim 1, characterized in that: The box (1000) is placed on a horizontal plane, and the rotation axes of the air supply fan (4000) and the exhaust fan (4500) are both perpendicular to the horizontal plane.

3. The fresh air purification device according to claim 2, characterized in that: The air supply fan (4000) and the exhaust fan (4500) are three-phase AC permanent magnet synchronous motors.

4. The fresh air purification device according to claim 3, characterized in that The invention also includes a sensor (3300) located in the return air chamber (1300), and the sensor (3300) detects temperature, humidity, PM2.5, PM10, volatile organic compounds, and carbon dioxide information in the air.

5. The fresh air purification device according to claim 2, 3 or 4, characterized in that: The heat exchange core (3000) has a projection shape of a hexagon in a direction perpendicular to the horizontal plane.

6. The fresh air purification device according to claim 5, characterized in that The invention also includes an electric control box assembly (2500) electrically connected to the sensor (3300), the air supply fan (4000), the exhaust fan (4500), and the heat exchange core (3000), a return air filter (3600) located in the return air chamber (1300), and a fresh air filter (3500) located in the fresh air chamber (1400). When the air supply fan (4000) is working, outdoor air is introduced into the room through the fresh air hole (1440), and the fresh air filter (3500) works in conjunction with the air purification, and then the exhaust fan (4500) continues to work and discharges the indoor air to the outside through the exhaust hole (1240).

7. The fresh air purification device according to claim 6, characterized in that It also includes a heat exchange core partition (3200) located on the heat exchange core (3000) and used to separate the return air chamber (1300) and the fresh air chamber (1400), and a partition plate (2200) located between the supply air chamber (1100) and the exhaust air chamber (1200).

8. The fresh air purification device according to claim 7, characterized in that: The extension direction of the heat exchange core partition (3200) and the extension direction of the partition plate (2200) are parallel to each other.

9. The fresh air purification device according to claim 5, characterized in that: The air supply hole (1140) and the air exhaust hole (1240) are respectively located on opposite sides of the box body (1000), and the air return hole (1340) and the fresh air hole (1440) are also respectively located on opposite sides of the box body (1000), wherein the air supply hole (1140) and the air return hole (1340) are located on one side of the box body (1000), and the air exhaust hole (1240) and the fresh air hole (1440) are located on the other side of the box body (1000).

10. The fresh air purification device according to claim 7 or 8, characterized in that It also includes a top cover plate (1900) for shielding the open ends of the air supply cavity (1100), the air exhaust cavity (1200), the return air cavity (1300), and the fresh air cavity (1400), wherein the heat exchange core partition plate (3200) and the inner side of the top cover plate (1900) are in contact with each other.

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