Cabinet type fresh air ventilator

By designing a dual ventilation path and an inclined heat exchanger in the cabinet-type fresh air unit, the problem of unreasonable air path design is solved, achieving efficient heat recovery and a compact fresh air unit, which significantly reduces air conditioning energy consumption.

CN223636311UActive Publication Date: 2025-12-05SHANDONG XUESHENG ENVIRONMENTAL ENGINEERING CO LTD
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Patent Information

Application Number
CN202520262242.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-05
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

The existing cabinet-type fresh air unit has an unreasonable internal airflow design, poor heat exchange efficiency, and cannot achieve effective heat exchange between indoor return air and outdoor fresh air.

Method used

A dual ventilation path was designed, and the fresh air and exhaust air paths were isolated by setting up an inclined heat exchanger so that they cross but do not mix in the heat exchanger. Filters and vertically installed fans were used to optimize the internal structure.

Benefits of technology

It achieves high heat recovery efficiency, with a large heat exchange core area and a heat recovery efficiency of 70%~90%, significantly reducing air conditioning energy consumption, and has a compact structure and is easy to install.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fresh air heat exchange, in particular to a cabinet type fresh air ventilator, which has a cuboid main body, comprises an upper cover plate, a lower cover plate, a first side plate, a second side plate, a third side plate and a fourth side plate, and is divided into a heat exchange area and a power area, the device mainly comprises a fresh air inlet, a filter, a heat exchanger, an exhaust air inlet, a fresh air outlet, a fresh air fan, an exhaust fan and an exhaust air outlet. The inclined position of the heat exchanger is reasonably arranged, the interior of the fresh air ventilator is separated into an independent fresh air path and an independent exhaust air path, fresh air and exhaust air are crossed but not mixed in the heat exchanger, and the optimal heat exchange effect is achieved. In addition, due to the optimized layout of the internal space structure of the fresh air ventilator and the simple external structure, the problems of poor air fluidity and complex equipment installation in the prior art are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fresh air heat exchange technical field especially relates to a cabinet type fresh air ventilator. BACKGROUND

[0002] The main function of the fresh air ventilator is to supply fresh air to the room and discharge the dirty air in the room, and at the same time, the heat or cold in the room is recovered by using the heat exchanger. According to the different installation characteristics, the fresh air ventilator is divided into ceiling type fresh air ventilator, cabinet type fresh air ventilator and wall-mounted fresh air ventilator. The ceiling type fresh air ventilator has complex pipeline arrangement and long installation period, the wall-mounted fresh air ventilator has small air volume and poor heat exchange efficiency, so the cabinet type fresh air ventilator is widely selected by consumers. However, the existing cabinet type fresh air ventilator mainly focuses on noise reduction function, and has the problems of unreasonable wind path design and poor heat exchange efficiency.

[0003] Chinese patent CN221036021U discloses a cabinet type fresh air ventilator, which is provided with a cooling water curtain inside the cooling assembly. The cooling water curtain reduces the noise generated by the heat exchanger through water evaporation and heat absorption to achieve the technical purpose of noise reduction. Although the fresh air ventilator has a large volume and sufficient internal reserved space, the cooling water curtain device occupies a large amount of reserved space, the internal space is limited, and the fresh air ventilator only designs a single wind path channel, that is, only the incoming fresh air into the room is heated, and the indoor air cannot be discharged at the same time, so the heat exchange between the indoor return air and the outdoor fresh air cannot be realized. CONTENT OF THE UTILITY MODEL

[0004] The existing cabinet type fresh air ventilator has the disadvantages of unreasonable wind path design and poor heat exchange efficiency. In view of the problem, the utility model provides a cabinet type fresh air ventilator, which is a rectangular parallelepiped, comprising an upper cover plate, a lower cover plate, a first side plate, a second side plate, a third side plate and a fourth side plate, which are sequentially divided into a heat exchange area and a power area from the lower cover plate to the upper cover plate.

[0005] The heat exchange area comprises a fresh air inlet, a filter, a heat exchanger and an exhaust air inlet. The fresh air inlet is provided on the outer side of the first side plate and has a cylindrical shape. The exhaust air inlet is provided on the second side plate and corresponds to the position of the heat exchanger. The filter is parallel to the lower cover plate, and its two vertical edges are respectively connected to the second side plate and the fourth side plate through a fixed strip. Two horizontal edges are respectively connected to the first side plate and the third side plate. The heat exchanger is provided below the filter and forms an acute angle with the second side plate. Two diagonal vertical edges of the heat exchanger are respectively connected to the second side plate and the fourth side plate, and the other vertical edge is connected to a sealing piece. All horizontal edges are connected to the first side plate or the third side plate. The inclined heat exchanger forms two cavities with the second side plate and the fourth side plate. In the utility model, the filter has 1-4 layers of filter screens, which can be selected according to the different filtering requirements of indoor places. The fourth side plate is provided with an access hole corresponding to the positions of the filter and the heat exchanger, which facilitates the maintenance or replacement of the filter or the heat exchanger.

[0006] The power area comprises a fresh air outlet, a fresh air fan, an exhaust fan and an exhaust outlet, the fresh air outlet is arranged on the upper cover plate, the exhaust outlet is arranged on the first side plate, the fresh air fan is arranged on the inner side of the second side plate, the exhaust fan is arranged on the inner side of the fourth side plate, the fan partition plate is arranged between the fresh air fan and the exhaust fan, the upper vertical edge of the fan partition plate is in close connection with the fourth vertical edge of the heat exchanger, the lower vertical edge is in close connection with the upper cover plate, and all the horizontal edges are in close adhesion with the first side plate or the third side plate.

[0007] The cabinet type fresh air ventilator has the advantages that:

[0008] The cabinet type fresh air ventilator has the advantages that:

[0009] The fresh air ventilator is internally isolated into independent fresh air air paths and exhaust air paths by reasonably arranging the inclined position of the heat exchanger, so that the fresh air and the exhaust air cross but do not mix in the heat exchanger, and the best heat exchange effect is achieved. In addition, the cabinet type fresh air ventilator has a large volume, a wider design area of the heat exchange core body, and a heat recovery efficiency as high as 70% to 90%, and the air conditioning energy consumption is significantly reduced.

[0010] The cabinet type fresh air ventilator has the advantages that:

[0011] The cabinet type fresh air ventilator has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole plan view of the cabinet type fresh air ventilator of the utility model;

[0013] Figure 2 It is a whole plan view of the cabinet type fresh air ventilator of the utility model;

[0014] Figure 3 It is a whole plan view of the cabinet type fresh air ventilator of the utility model;

[0015] Wherein, each part is respectively:

[0016] 11, upper cover plate, 12, lower cover plate, 13, first side plate, 14, second side plate, 15, third side plate, 16, fourth side plate, 17, access hole;

[0017] 21, fresh air inlet, 22, filter, 23, heat exchanger, 24, exhaust inlet, 25, fixing strip, 26, sealing sheet;

[0018] 31. Fresh air outlet; 32. Fresh air fan; 33. Exhaust fan; 34. Exhaust outlet; 35. Fan baffle. Detailed Implementation

[0019] The present invention will be described below with reference to examples. The examples are only used to explain the present invention and are not intended to limit the scope of the present invention.

[0020] This utility model provides a cabinet-type fresh air exchanger, such as Figures 1-3 As shown, the cabinet-type fresh air exchanger is rectangular in shape and includes an upper cover plate 11, a lower cover plate 12, a first side plate 13, a second side plate 14, a third side plate 15, and a fourth side plate 16. The lower cover plate 12 is divided into a heat exchange zone and a power zone from the upper cover plate 11.

[0021] The heat exchange zone includes a fresh air inlet 21, a filter 22, a heat exchanger 23, and an exhaust inlet 24. The fresh air inlet 21 is located outside the first side plate 13 and is cylindrical in shape. The exhaust inlet 24 is located on the second side plate 14. The filter 22 is parallel to the lower cover plate 12. Its two vertical sides are respectively sealed to the second side plate 14 and the fourth side plate 16 by fixing strips 25, and its two horizontal sides are respectively sealed to the first side plate 13 and the third side plate 15. The heat exchanger 23 is located below the filter 22, and the angle between it and the second side plate 14 is an acute angle. Its two diagonal vertical sides are respectively sealed to the second side plate 14 and the fourth side plate 16, and its other vertical side is sealed to the sealing sheet 26. All horizontal sides are sealed to the first side plate 13 or the third side plate 15. The inclined heat exchanger forms two cavities with the second side plate 14 and the fourth side plate 16, respectively. Details of the heat exchange zone are as follows: Figure 1 and Figure 2 As shown;

[0022] The power zone includes a fresh air outlet 31, a fresh air fan 32, an exhaust fan 33, and an exhaust outlet 34. The fresh air outlet 31 is located on the upper cover plate 11, and the exhaust outlet 34 is located on the first side plate 13. The fresh air fan 32 is located inside the second side plate 14, and the exhaust fan 33 is located inside the fourth side plate 16. A fan baffle 35 is provided between the fresh air fan 32 and the exhaust fan 33. The upper vertical edge of the fan baffle 35 is sealed to the fourth vertical edge of the heat exchanger 23, and the lower vertical edge is sealed to the upper cover plate 11. All horizontal edges are sealed to either the first side plate 13 or the third side plate 15. Details of the power zone are as follows: Figure 1 and Figure 2 As shown.

[0023] like Figure 3 As shown, the fourth side plate 16 has an inspection port 17 at the position corresponding to the filter 22 and the heat exchanger 23, which facilitates the maintenance and replacement of the filter 22 and the heat exchanger 23.

[0024] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cabinet fresh air exchanger, characterized in that, The cabinet fresh air ventilator's main body is a cuboid, including upper cover plate (11), lower cover plate (12), first side plate (13), second side plate (14), third side plate (15) and fourth side plate (16), which are divided into heat exchange area and power area from lower cover plate (12) to upper cover plate (11) in turn. The heat exchange area includes fresh air inlet (21), filter (22), heat exchanger (23) and exhaust air inlet (24), the fresh air inlet (21) is arranged on the outside of the first side plate (13), the exhaust air inlet (24) is arranged on the second side plate (14), the filter (22) is parallel to the lower cover plate (12), two vertical edges are respectively closed connected with the second side plate (14) and the fourth side plate (16) through the fixed strip (25), two horizontal edges are respectively closed connected with the first side plate (13) and the third side plate (15), the heat exchanger (23) is arranged on the lower side of the filter (22), and there is an included angle between the heat exchanger (23) and the second side plate (14), wherein two diagonal vertical edges are respectively closed connected with the second side plate (14) and the fourth side plate (16), another vertical edge is closed connected with the sealing sheet (26), and all horizontal edges are closed adhered with the first side plate (13) or the third side plate (15). The power area includes fresh air outlet (31), fresh air fan (32), exhaust air fan (33) and exhaust air outlet (34), the fresh air outlet (31) is arranged on the upper cover plate (11), the exhaust air outlet (34) is arranged on the first side plate (13), the fresh air fan (32) is arranged on the inner side of the second side plate (14), the exhaust air fan (33) is arranged on the inner side of the fourth side plate (16), the fresh air fan (32) and the exhaust air fan (33) are provided with fan partition plate (35), the upper vertical edge of the fan partition plate (35) is closed connected with the fourth vertical edge of the heat exchanger (23), the lower vertical edge is closed connected with the upper cover plate (11), and all horizontal edges are closed adhered with the first side plate (13) or the third side plate (15).

2. The cabinet fresh air exchanger according to claim 1, characterized in that The included angle between the filter (22) and the second side plate (14) is 5°-30°.

3. The cabinet fresh air exchanger according to claim 1, characterized in that, The filter (22) has 1-4 layers of filter screens.

4. The cabinet fresh air exchanger according to claim 1, characterized in that, The fourth side plate (16) is provided with an access hole (17) corresponding to the positions of the filter (22) and the heat exchanger (23).

Citation Information

Patent Citations

  • Low noise water-cooled cabinet fresh air blower

    CN221036021U